Generated by Cython 3.0.10
Yellow lines hint at Python interaction.
Click on a line that starts with a "+" to see the C code that Cython generated for it.
Raw output: eroder.cpp
+0001: # distutils: language=c++
__pyx_t_7 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 1, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_7); if (PyDict_SetItem(__pyx_d, __pyx_n_s_test, __pyx_t_7) < 0) __PYX_ERR(0, 1, __pyx_L1_error) __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
0002: # cython: language_level=3, cdivision=True, boundscheck=False
0003:
0004: from libcpp.vector cimport vector
0005: from libc.math cimport sqrt, fabs
+0006: import numpy as np
__pyx_t_7 = __Pyx_ImportDottedModule(__pyx_n_s_numpy, NULL); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 6, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_7); if (PyDict_SetItem(__pyx_d, __pyx_n_s_np, __pyx_t_7) < 0) __PYX_ERR(0, 6, __pyx_L1_error) __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
0007: cimport numpy as cnp
0008: from libc.stdlib cimport rand
0009: from cython.parallel import prange
0010: from libc.time cimport time,time_t
0011:
0012:
0013: cdef extern from "stdlib.h":
0014: int RAND_MAX
+0015: cdef double BETTER_RAND_MAX = RAND_MAX
__pyx_v_6eroder_BETTER_RAND_MAX = RAND_MAX;
0016:
0017:
0018: ##################################################
0019: # SOILS AND ROCKS
0020:
+0021: cdef struct Soil:
struct __pyx_t_6eroder_Soil {
double organic;
double rocks[4];
};
0022: double organic # height of organic matter in soil, meters
0023: # 0 - sand
0024: # 1 - gravel
0025: # 2 - rocks
0026: # 3 - boulders
0027: double[4] rocks # heights of various coarsenesses of materials, meters
0028:
0029:
+0030: cdef struct Bedrock:
struct __pyx_t_6eroder_Bedrock {
double height;
int type;
};
0031: double height
0032: int type
0033:
0034:
0035: # "terrain horizon" is the name of the fact that various soils and rocks are ordered in layers
+0036: cdef struct Horizon:
struct __pyx_t_6eroder_Horizon {
struct __pyx_t_6eroder_Soil topsoil;
struct __pyx_t_6eroder_Soil subsoil;
std::vector<struct __pyx_t_6eroder_Bedrock> bedrock;
};
0037: Soil topsoil
0038: Soil subsoil
0039: vector[Bedrock] bedrock
0040:
0041:
+0042: cdef struct Water:
struct __pyx_t_6eroder_Water {
double height;
double previous;
struct __pyx_t_6eroder_Soil regolith;
struct __pyx_t_6eroder_Soil sediment;
double velocity_x;
double velocity_y;
};
0043: double height
0044: double previous
0045: Soil regolith
0046: Soil sediment;
0047: double velocity_x
0048: double velocity_y
0049:
0050:
0051: ##################################################
0052: # GEOLOGY CONSTANTS
0053:
0054: cdef Soil EMPTY_SOIL
+0055: EMPTY_SOIL.organic = 0.0
__pyx_v_6eroder_EMPTY_SOIL.organic = 0.0;
+0056: for i in range(4):
for (__pyx_t_9 = 0; __pyx_t_9 < 4; __pyx_t_9+=1) {
__pyx_t_7 = __Pyx_PyInt_From_long(__pyx_t_9); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 56, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_7);
if (PyDict_SetItem(__pyx_d, __pyx_n_s_i, __pyx_t_7) < 0) __PYX_ERR(0, 56, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
+0057: EMPTY_SOIL.rocks[i] = 0.0
__Pyx_GetModuleGlobalName(__pyx_t_7, __pyx_n_s_i); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 57, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_7); __pyx_t_10 = __Pyx_PyIndex_AsSsize_t(__pyx_t_7); if (unlikely((__pyx_t_10 == (Py_ssize_t)-1) && PyErr_Occurred())) __PYX_ERR(0, 57, __pyx_L1_error) __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0; (__pyx_v_6eroder_EMPTY_SOIL.rocks[__pyx_t_10]) = 0.0; }
0058:
0059: cdef Water EMPTY_WATER
+0060: EMPTY_WATER.height = 0.0
__pyx_v_6eroder_EMPTY_WATER.height = 0.0;
+0061: EMPTY_WATER.previous = 0.0
__pyx_v_6eroder_EMPTY_WATER.previous = 0.0;
+0062: EMPTY_WATER.regolith = EMPTY_SOIL
__pyx_v_6eroder_EMPTY_WATER.regolith = __pyx_v_6eroder_EMPTY_SOIL;
+0063: EMPTY_WATER.sediment = EMPTY_SOIL
__pyx_v_6eroder_EMPTY_WATER.sediment = __pyx_v_6eroder_EMPTY_SOIL;
+0064: EMPTY_WATER.velocity_x = 0.0
__pyx_v_6eroder_EMPTY_WATER.velocity_x = 0.0;
+0065: EMPTY_WATER.velocity_y = 0.0
__pyx_v_6eroder_EMPTY_WATER.velocity_y = 0.0;
0066:
0067:
+0068: cdef int ORGANIC = 4 # just the id in arrays
__pyx_v_6eroder_ORGANIC = 4;
+0069: cdef double infinity = float("inf")
__pyx_t_11 = __Pyx_PyUnicode_AsDouble(__pyx_n_u_inf); if (unlikely(__pyx_t_11 == ((double)((double)-1)) && PyErr_Occurred())) __PYX_ERR(0, 69, __pyx_L1_error) __pyx_v_6eroder_infinity = __pyx_t_11;
0070:
+0071: cdef double MAX_TOPSOIL_HEIGHT = 1.5
__pyx_v_6eroder_MAX_TOPSOIL_HEIGHT = 1.5;
+0072: cdef double LAYER_HEIGHT_TO_BECOME_ERODETHROUGH = 0.1
__pyx_v_6eroder_LAYER_HEIGHT_TO_BECOME_ERODETHROUGH = 0.1;
+0073: cdef double MIN_FRACTION_TO_ERODE = 0.1
__pyx_v_6eroder_MIN_FRACTION_TO_ERODE = 0.1;
0074:
+0075: cdef double K_EROSION = 0.1
__pyx_v_6eroder_K_EROSION = 0.1;
+0076: cdef double K_IN_EROSION = 0.5
__pyx_v_6eroder_K_IN_EROSION = 0.5;
+0077: cdef double K_DEPOSITION = 0.25
__pyx_v_6eroder_K_DEPOSITION = 0.25;
0078:
+0079: cdef double MAX_WATER_SPEED = 20.0 # source: made up
__pyx_v_6eroder_MAX_WATER_SPEED = 20.0;
+0080: cdef double WATER_MAX_DEPTH_EROSION = 0.45
__pyx_v_6eroder_WATER_MAX_DEPTH_EROSION = 0.45;
+0081: cdef double g = 9.81 # source: remembered from high school
__pyx_v_6eroder_g = 9.81;
+0082: cdef double length = 1.0
__pyx_v_6eroder_length = 1.0;
0083:
+0084: cdef double organic_constant = 0.12
__pyx_v_6eroder_organic_constant = 0.12;
+0085: cdef double[4][4] rock_matrix_linear = [[0.3, 0.0, 0.0, 0.0],
__pyx_t_12[0] = 0.3; __pyx_t_12[1] = 0.0; __pyx_t_12[2] = 0.0; __pyx_t_12[3] = 0.0; /* … */ memcpy(&(__pyx_t_16[0]), __pyx_t_12, sizeof(__pyx_t_16[0])); memcpy(&(__pyx_t_16[1]), __pyx_t_13, sizeof(__pyx_t_16[0])); memcpy(&(__pyx_t_16[2]), __pyx_t_14, sizeof(__pyx_t_16[0])); memcpy(&(__pyx_t_16[3]), __pyx_t_15, sizeof(__pyx_t_16[0])); memcpy(&(__pyx_v_6eroder_rock_matrix_linear[0]), __pyx_t_16, sizeof(__pyx_v_6eroder_rock_matrix_linear[0]) * (4));
+0086: [0.02, 0.08, 0.0, 0.0],
__pyx_t_13[0] = 0.02; __pyx_t_13[1] = 0.08; __pyx_t_13[2] = 0.0; __pyx_t_13[3] = 0.0;
+0087: [0.02, 0.01, 0.04, 0.0],
__pyx_t_14[0] = 0.02; __pyx_t_14[1] = 0.01; __pyx_t_14[2] = 0.04; __pyx_t_14[3] = 0.0;
+0088: [0.02, 0.01, 0.01, 0.02]]
__pyx_t_15[0] = 0.02; __pyx_t_15[1] = 0.01; __pyx_t_15[2] = 0.01; __pyx_t_15[3] = 0.02;
+0089: cdef double[4][4] rock_matrix_constant = [[ 0.0, 0.0, 0.0, 0.0],
__pyx_t_17[0] = 0.0; __pyx_t_17[1] = 0.0; __pyx_t_17[2] = 0.0; __pyx_t_17[3] = 0.0; /* … */ memcpy(&(__pyx_t_21[0]), __pyx_t_17, sizeof(__pyx_t_21[0])); memcpy(&(__pyx_t_21[1]), __pyx_t_18, sizeof(__pyx_t_21[0])); memcpy(&(__pyx_t_21[2]), __pyx_t_19, sizeof(__pyx_t_21[0])); memcpy(&(__pyx_t_21[3]), __pyx_t_20, sizeof(__pyx_t_21[0])); memcpy(&(__pyx_v_6eroder_rock_matrix_constant[0]), __pyx_t_21, sizeof(__pyx_v_6eroder_rock_matrix_constant[0]) * (4));
+0090: [-0.01, -0.1, 0.0, 0.0],
__pyx_t_18[0] = -0.01; __pyx_t_18[1] = -0.1; __pyx_t_18[2] = 0.0; __pyx_t_18[3] = 0.0;
+0091: [-0.02, -0.2, -0.3, 0.0],
__pyx_t_19[0] = -0.02; __pyx_t_19[1] = -0.2; __pyx_t_19[2] = -0.3; __pyx_t_19[3] = 0.0;
+0092: [-0.03, -0.25, -0.4, -0.5]]
__pyx_t_20[0] = -0.03; __pyx_t_20[1] = -0.25; __pyx_t_20[2] = -0.4; __pyx_t_20[3] = -0.5;
0093:
0094: # first number is the number of rock types
+0095: cdef double[3][4] bedrock_erodability_linear = [[0.05, 0.01, 0.004, 0.002], # soft rock
__pyx_t_22[0] = 0.05; __pyx_t_22[1] = 0.01; __pyx_t_22[2] = 0.004; __pyx_t_22[3] = 0.002; /* … */ memcpy(&(__pyx_t_25[0]), __pyx_t_22, sizeof(__pyx_t_25[0])); memcpy(&(__pyx_t_25[1]), __pyx_t_23, sizeof(__pyx_t_25[0])); memcpy(&(__pyx_t_25[2]), __pyx_t_24, sizeof(__pyx_t_25[0])); memcpy(&(__pyx_v_6eroder_bedrock_erodability_linear[0]), __pyx_t_25, sizeof(__pyx_v_6eroder_bedrock_erodability_linear[0]) * (3));
+0096: [0.02, 0.005, 0.001, 0.0001], # hard rock
__pyx_t_23[0] = 0.02; __pyx_t_23[1] = 0.005; __pyx_t_23[2] = 0.001; __pyx_t_23[3] = 0.0001;
+0097: [0.002, 0.0005, 0.0, 0.0]] # granite (or something)
__pyx_t_24[0] = 0.002; __pyx_t_24[1] = 0.0005; __pyx_t_24[2] = 0.0; __pyx_t_24[3] = 0.0;
0098:
+0099: cdef double[3][4] bedrock_erodability_constant = [[0.0, -0.25, -0.4, -0.5], # soft rock
__pyx_t_26[0] = 0.0; __pyx_t_26[1] = -0.25; __pyx_t_26[2] = -0.4; __pyx_t_26[3] = -0.5; /* … */ memcpy(&(__pyx_t_29[0]), __pyx_t_26, sizeof(__pyx_t_29[0])); memcpy(&(__pyx_t_29[1]), __pyx_t_27, sizeof(__pyx_t_29[0])); memcpy(&(__pyx_t_29[2]), __pyx_t_28, sizeof(__pyx_t_29[0])); memcpy(&(__pyx_v_6eroder_bedrock_erodability_constant[0]), __pyx_t_29, sizeof(__pyx_v_6eroder_bedrock_erodability_constant[0]) * (3));
+0100: [0.0, -0.3, -0.5, -0.7], # hard rock
__pyx_t_27[0] = 0.0; __pyx_t_27[1] = -0.3; __pyx_t_27[2] = -0.5; __pyx_t_27[3] = -0.7;
+0101: [0.0, -0.5, 0.0, 0.0]] # granite (or something)
__pyx_t_28[0] = 0.0; __pyx_t_28[1] = -0.5; __pyx_t_28[2] = 0.0; __pyx_t_28[3] = 0.0;
0102:
+0103: cdef double[3] bedrock_taluses = [4.0, 10000000.0, 10000000.0]
__pyx_t_30[0] = 4.0; __pyx_t_30[1] = 10000000.0; __pyx_t_30[2] = 10000000.0; memcpy(&(__pyx_v_6eroder_bedrock_taluses[0]), __pyx_t_30, sizeof(__pyx_v_6eroder_bedrock_taluses[0]) * (3));
0104:
+0105: cdef double critical_slope = 1.40
__pyx_v_6eroder_critical_slope = 1.40;
+0106: cdef double MAX_CREEP_DENOMINATOR = 0.1
__pyx_v_6eroder_MAX_CREEP_DENOMINATOR = 0.1;
0107:
+0108: cdef double ORGANIC_VEGETATION_MULIPLITER = 1.5
__pyx_v_6eroder_ORGANIC_VEGETATION_MULIPLITER = 1.5;
+0109: cdef double[4] ROCK_VEGETATION_MULIPLITER = [0.2, 0, 0, 0]
__pyx_t_31[0] = 0.2; __pyx_t_31[1] = 0.0; __pyx_t_31[2] = 0.0; __pyx_t_31[3] = 0.0; memcpy(&(__pyx_v_6eroder_ROCK_VEGETATION_MULIPLITER[0]), __pyx_t_31, sizeof(__pyx_v_6eroder_ROCK_VEGETATION_MULIPLITER[0]) * (4));
+0110: cdef double NEIGHBOR_VEGETATION_MULTIPLIER = 0.25
__pyx_v_6eroder_NEIGHBOR_VEGETATION_MULTIPLIER = 0.25;
+0111: cdef double[4] ROCK_CONVERSION_RATE= [1, 0.2, 0.3, 0.4]
__pyx_t_32[0] = 1.0; __pyx_t_32[1] = 0.2; __pyx_t_32[2] = 0.3; __pyx_t_32[3] = 0.4; memcpy(&(__pyx_v_6eroder_ROCK_CONVERSION_RATE[0]), __pyx_t_32, sizeof(__pyx_v_6eroder_ROCK_CONVERSION_RATE[0]) * (4));
0112:
+0113: cdef double[3] BEDROCK_CONVERSION_RATE= [1, 0.3, 0]
__pyx_t_33[0] = 1.0; __pyx_t_33[1] = 0.3; __pyx_t_33[2] = 0.0; memcpy(&(__pyx_v_6eroder_BEDROCK_CONVERSION_RATE[0]), __pyx_t_33, sizeof(__pyx_v_6eroder_BEDROCK_CONVERSION_RATE[0]) * (3));
0114:
0115:
+0116: cdef inline Soil new_soil(double organic, double rock0, double rock1, double rock2, double rock3) noexcept nogil:
static CYTHON_INLINE struct __pyx_t_6eroder_Soil __pyx_f_6eroder_new_soil(double __pyx_v_organic, double __pyx_v_rock0, double __pyx_v_rock1, double __pyx_v_rock2, double __pyx_v_rock3) {
struct __pyx_t_6eroder_Soil __pyx_v_soil;
struct __pyx_t_6eroder_Soil __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
0117: cdef Soil soil
+0118: soil.organic = organic
__pyx_v_soil.organic = __pyx_v_organic;
+0119: soil.rocks[0] = rock0
(__pyx_v_soil.rocks[0]) = __pyx_v_rock0;
+0120: soil.rocks[1] = rock1
(__pyx_v_soil.rocks[1]) = __pyx_v_rock1;
+0121: soil.rocks[2] = rock2
(__pyx_v_soil.rocks[2]) = __pyx_v_rock2;
+0122: soil.rocks[3] = rock3
(__pyx_v_soil.rocks[3]) = __pyx_v_rock3;
+0123: return soil
__pyx_r = __pyx_v_soil; goto __pyx_L0;
0124:
0125:
+0126: cdef Soil[3] BEDROCK_CONVERT_TO = [new_soil(0.2, 0.0, 0.0, 0.1, 0.7), new_soil(0.2, 0.0, 0.0, 0.0, 0.8), EMPTY_SOIL]
__pyx_t_34[0] = __pyx_f_6eroder_new_soil(0.2, 0.0, 0.0, 0.1, 0.7); __pyx_t_34[1] = __pyx_f_6eroder_new_soil(0.2, 0.0, 0.0, 0.0, 0.8); __pyx_t_34[2] = __pyx_v_6eroder_EMPTY_SOIL; memcpy(&(__pyx_v_6eroder_BEDROCK_CONVERT_TO[0]), __pyx_t_34, sizeof(__pyx_v_6eroder_BEDROCK_CONVERT_TO[0]) * (3));
0127:
0128:
0129: ##################################################
0130: # VARIOUS UTILS
0131:
+0132: cdef inline double random(double low=0.0, double high=1.0) nogil:
static CYTHON_INLINE double __pyx_f_6eroder_random(struct __pyx_opt_args_6eroder_random *__pyx_optional_args) {
double __pyx_v_low = ((double)0.0);
double __pyx_v_high = ((double)1.0);
double __pyx_r;
if (__pyx_optional_args) {
if (__pyx_optional_args->__pyx_n > 0) {
__pyx_v_low = __pyx_optional_args->low;
if (__pyx_optional_args->__pyx_n > 1) {
__pyx_v_high = __pyx_optional_args->high;
}
}
}
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
/* … */
struct __pyx_opt_args_6eroder_random {
int __pyx_n;
double low;
double high;
};
+0133: return low + (rand() / BETTER_RAND_MAX) * (high - low)
__pyx_r = (__pyx_v_low + ((((double)rand()) / __pyx_v_6eroder_BETTER_RAND_MAX) * (__pyx_v_high - __pyx_v_low))); goto __pyx_L0;
0134:
0135:
0136: # this is needed because Cython sometimes thinks that -1 % 10 == -1
+0137: cdef inline unsigned int mod(int a, int b) nogil:
static CYTHON_INLINE unsigned int __pyx_f_6eroder_mod(int __pyx_v_a, int __pyx_v_b) {
unsigned int __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0138: return (a + b) % b
__pyx_r = ((__pyx_v_a + __pyx_v_b) % __pyx_v_b); goto __pyx_L0;
0139:
0140:
0141: # poor man's equality
+0142: cdef inline bint eq(double a, double b) nogil:
static CYTHON_INLINE int __pyx_f_6eroder_eq(double __pyx_v_a, double __pyx_v_b) {
int __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0143: if a - 0.00000001 < b < a + 0.00000001:
__pyx_t_1 = ((__pyx_v_a - 0.00000001) < __pyx_v_b);
if (__pyx_t_1) {
__pyx_t_1 = (__pyx_v_b < (__pyx_v_a + 0.00000001));
}
if (__pyx_t_1) {
/* … */
}
+0144: return True
__pyx_r = 1;
goto __pyx_L0;
+0145: return False
__pyx_r = 0; goto __pyx_L0;
0146:
0147:
+0148: cdef inline double water_velocity(int x, int y, int size_x, int size_y, double[:, :, :] flow) noexcept nogil:
static CYTHON_INLINE double __pyx_f_6eroder_water_velocity(int __pyx_v_x, int __pyx_v_y, int __pyx_v_size_x, int __pyx_v_size_y, __Pyx_memviewslice __pyx_v_flow) {
double __pyx_v_left;
double __pyx_v_right;
double __pyx_v_bottom;
double __pyx_v_top;
double __pyx_r;
/* … */
/* function exit code */
__pyx_L1_error:;
#ifdef WITH_THREAD
__pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_WriteUnraisable("eroder.water_velocity", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 0);
__pyx_r = 0;
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__pyx_L0:;
return __pyx_r;
}
+0149: cdef double left = flow[mod(x - 1, size_x)][y][0] - flow[x][y][2] # if x > 1 else 0.0
__pyx_t_1 = __pyx_f_6eroder_mod((__pyx_v_x - 1), __pyx_v_size_x); if (unlikely(__pyx_t_1 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 149, __pyx_L1_error) __pyx_t_2 = __pyx_t_1; __pyx_t_3 = __pyx_v_y; __pyx_t_4 = 0; if (__pyx_t_3 < 0) __pyx_t_3 += __pyx_v_flow.shape[1]; if (__pyx_t_4 < 0) __pyx_t_4 += __pyx_v_flow.shape[2]; __pyx_t_5 = __pyx_v_x; __pyx_t_6 = __pyx_v_y; __pyx_t_7 = 2; if (__pyx_t_5 < 0) __pyx_t_5 += __pyx_v_flow.shape[0]; if (__pyx_t_6 < 0) __pyx_t_6 += __pyx_v_flow.shape[1]; if (__pyx_t_7 < 0) __pyx_t_7 += __pyx_v_flow.shape[2]; __pyx_v_left = ((*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_2 * __pyx_v_flow.strides[0]) ) + __pyx_t_3 * __pyx_v_flow.strides[1]) ) + __pyx_t_4 * __pyx_v_flow.strides[2]) ))) - (*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_5 * __pyx_v_flow.strides[0]) ) + __pyx_t_6 * __pyx_v_flow.strides[1]) ) + __pyx_t_7 * __pyx_v_flow.strides[2]) ))));
+0150: cdef double right = flow[x][y][0] - flow[mod(x + 1, size_x)][y][2] # if x < size_x - 1 else 0.0
__pyx_t_7 = __pyx_v_x; __pyx_t_6 = __pyx_v_y; __pyx_t_5 = 0; if (__pyx_t_7 < 0) __pyx_t_7 += __pyx_v_flow.shape[0]; if (__pyx_t_6 < 0) __pyx_t_6 += __pyx_v_flow.shape[1]; if (__pyx_t_5 < 0) __pyx_t_5 += __pyx_v_flow.shape[2]; __pyx_t_1 = __pyx_f_6eroder_mod((__pyx_v_x + 1), __pyx_v_size_x); if (unlikely(__pyx_t_1 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 150, __pyx_L1_error) __pyx_t_2 = __pyx_t_1; __pyx_t_4 = __pyx_v_y; __pyx_t_3 = 2; if (__pyx_t_4 < 0) __pyx_t_4 += __pyx_v_flow.shape[1]; if (__pyx_t_3 < 0) __pyx_t_3 += __pyx_v_flow.shape[2]; __pyx_v_right = ((*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_7 * __pyx_v_flow.strides[0]) ) + __pyx_t_6 * __pyx_v_flow.strides[1]) ) + __pyx_t_5 * __pyx_v_flow.strides[2]) ))) - (*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_2 * __pyx_v_flow.strides[0]) ) + __pyx_t_4 * __pyx_v_flow.strides[1]) ) + __pyx_t_3 * __pyx_v_flow.strides[2]) ))));
+0151: cdef double bottom = flow[x][mod(y - 1, size_y)][1] - flow[x][y][3] # if y > 1 else 0.0
__pyx_t_1 = __pyx_f_6eroder_mod((__pyx_v_y - 1), __pyx_v_size_y); if (unlikely(__pyx_t_1 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 151, __pyx_L1_error) __pyx_t_3 = __pyx_v_x; __pyx_t_2 = __pyx_t_1; __pyx_t_4 = 1; if (__pyx_t_3 < 0) __pyx_t_3 += __pyx_v_flow.shape[0]; if (__pyx_t_4 < 0) __pyx_t_4 += __pyx_v_flow.shape[2]; __pyx_t_5 = __pyx_v_x; __pyx_t_6 = __pyx_v_y; __pyx_t_7 = 3; if (__pyx_t_5 < 0) __pyx_t_5 += __pyx_v_flow.shape[0]; if (__pyx_t_6 < 0) __pyx_t_6 += __pyx_v_flow.shape[1]; if (__pyx_t_7 < 0) __pyx_t_7 += __pyx_v_flow.shape[2]; __pyx_v_bottom = ((*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_3 * __pyx_v_flow.strides[0]) ) + __pyx_t_2 * __pyx_v_flow.strides[1]) ) + __pyx_t_4 * __pyx_v_flow.strides[2]) ))) - (*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_5 * __pyx_v_flow.strides[0]) ) + __pyx_t_6 * __pyx_v_flow.strides[1]) ) + __pyx_t_7 * __pyx_v_flow.strides[2]) ))));
+0152: cdef double top = flow[x][y][1] - flow[x][mod(y + 1, size_y)][3] # if y < size_y - 1 else 0.0
__pyx_t_7 = __pyx_v_x; __pyx_t_6 = __pyx_v_y; __pyx_t_5 = 1; if (__pyx_t_7 < 0) __pyx_t_7 += __pyx_v_flow.shape[0]; if (__pyx_t_6 < 0) __pyx_t_6 += __pyx_v_flow.shape[1]; if (__pyx_t_5 < 0) __pyx_t_5 += __pyx_v_flow.shape[2]; __pyx_t_1 = __pyx_f_6eroder_mod((__pyx_v_y + 1), __pyx_v_size_y); if (unlikely(__pyx_t_1 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 152, __pyx_L1_error) __pyx_t_4 = __pyx_v_x; __pyx_t_2 = __pyx_t_1; __pyx_t_3 = 3; if (__pyx_t_4 < 0) __pyx_t_4 += __pyx_v_flow.shape[0]; if (__pyx_t_3 < 0) __pyx_t_3 += __pyx_v_flow.shape[2]; __pyx_v_top = ((*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_7 * __pyx_v_flow.strides[0]) ) + __pyx_t_6 * __pyx_v_flow.strides[1]) ) + __pyx_t_5 * __pyx_v_flow.strides[2]) ))) - (*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_4 * __pyx_v_flow.strides[0]) ) + __pyx_t_2 * __pyx_v_flow.strides[1]) ) + __pyx_t_3 * __pyx_v_flow.strides[2]) ))));
0153:
+0154: return sqrt((0.5 * (left + right))**2 + (0.5 * (top + bottom))**2)
__pyx_r = sqrt((pow((0.5 * (__pyx_v_left + __pyx_v_right)), 2.0) + pow((0.5 * (__pyx_v_top + __pyx_v_bottom)), 2.0))); goto __pyx_L0;
0155:
0156:
+0157: cdef (double, double) water_velocity_vector(int x, int y, int size_x, int size_y, double[:, :, :] flow) noexcept nogil:
static __pyx_ctuple_double__and_double __pyx_f_6eroder_water_velocity_vector(int __pyx_v_x, int __pyx_v_y, int __pyx_v_size_x, int __pyx_v_size_y, __Pyx_memviewslice __pyx_v_flow) {
double __pyx_v_left;
double __pyx_v_right;
double __pyx_v_bottom;
double __pyx_v_top;
__pyx_ctuple_double__and_double __pyx_r;
/* … */
/* function exit code */
__pyx_L1_error:;
#ifdef WITH_THREAD
__pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_WriteUnraisable("eroder.water_velocity_vector", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 0);
__Pyx_pretend_to_initialize(&__pyx_r);
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__pyx_L0:;
return __pyx_r;
}
/* … */
struct __pyx_ctuple_double__and_double {
double f0;
double f1;
};
+0158: cdef double left = flow[mod(x - 1, size_x)][y][0] - flow[x][y][2] # if x > 1 else 0.0
__pyx_t_1 = __pyx_f_6eroder_mod((__pyx_v_x - 1), __pyx_v_size_x); if (unlikely(__pyx_t_1 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 158, __pyx_L1_error) __pyx_t_2 = __pyx_t_1; __pyx_t_3 = __pyx_v_y; __pyx_t_4 = 0; if (__pyx_t_3 < 0) __pyx_t_3 += __pyx_v_flow.shape[1]; if (__pyx_t_4 < 0) __pyx_t_4 += __pyx_v_flow.shape[2]; __pyx_t_5 = __pyx_v_x; __pyx_t_6 = __pyx_v_y; __pyx_t_7 = 2; if (__pyx_t_5 < 0) __pyx_t_5 += __pyx_v_flow.shape[0]; if (__pyx_t_6 < 0) __pyx_t_6 += __pyx_v_flow.shape[1]; if (__pyx_t_7 < 0) __pyx_t_7 += __pyx_v_flow.shape[2]; __pyx_v_left = ((*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_2 * __pyx_v_flow.strides[0]) ) + __pyx_t_3 * __pyx_v_flow.strides[1]) ) + __pyx_t_4 * __pyx_v_flow.strides[2]) ))) - (*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_5 * __pyx_v_flow.strides[0]) ) + __pyx_t_6 * __pyx_v_flow.strides[1]) ) + __pyx_t_7 * __pyx_v_flow.strides[2]) ))));
+0159: cdef double right = flow[x][y][0] - flow[mod(x + 1, size_x)][y][2] # if x < size_x - 1 else 0.0
__pyx_t_7 = __pyx_v_x; __pyx_t_6 = __pyx_v_y; __pyx_t_5 = 0; if (__pyx_t_7 < 0) __pyx_t_7 += __pyx_v_flow.shape[0]; if (__pyx_t_6 < 0) __pyx_t_6 += __pyx_v_flow.shape[1]; if (__pyx_t_5 < 0) __pyx_t_5 += __pyx_v_flow.shape[2]; __pyx_t_1 = __pyx_f_6eroder_mod((__pyx_v_x + 1), __pyx_v_size_x); if (unlikely(__pyx_t_1 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 159, __pyx_L1_error) __pyx_t_2 = __pyx_t_1; __pyx_t_4 = __pyx_v_y; __pyx_t_3 = 2; if (__pyx_t_4 < 0) __pyx_t_4 += __pyx_v_flow.shape[1]; if (__pyx_t_3 < 0) __pyx_t_3 += __pyx_v_flow.shape[2]; __pyx_v_right = ((*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_7 * __pyx_v_flow.strides[0]) ) + __pyx_t_6 * __pyx_v_flow.strides[1]) ) + __pyx_t_5 * __pyx_v_flow.strides[2]) ))) - (*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_2 * __pyx_v_flow.strides[0]) ) + __pyx_t_4 * __pyx_v_flow.strides[1]) ) + __pyx_t_3 * __pyx_v_flow.strides[2]) ))));
+0160: cdef double bottom = flow[x][mod(y - 1, size_y)][1] - flow[x][y][3] # if y > 1 else 0.0
__pyx_t_1 = __pyx_f_6eroder_mod((__pyx_v_y - 1), __pyx_v_size_y); if (unlikely(__pyx_t_1 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 160, __pyx_L1_error) __pyx_t_3 = __pyx_v_x; __pyx_t_2 = __pyx_t_1; __pyx_t_4 = 1; if (__pyx_t_3 < 0) __pyx_t_3 += __pyx_v_flow.shape[0]; if (__pyx_t_4 < 0) __pyx_t_4 += __pyx_v_flow.shape[2]; __pyx_t_5 = __pyx_v_x; __pyx_t_6 = __pyx_v_y; __pyx_t_7 = 3; if (__pyx_t_5 < 0) __pyx_t_5 += __pyx_v_flow.shape[0]; if (__pyx_t_6 < 0) __pyx_t_6 += __pyx_v_flow.shape[1]; if (__pyx_t_7 < 0) __pyx_t_7 += __pyx_v_flow.shape[2]; __pyx_v_bottom = ((*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_3 * __pyx_v_flow.strides[0]) ) + __pyx_t_2 * __pyx_v_flow.strides[1]) ) + __pyx_t_4 * __pyx_v_flow.strides[2]) ))) - (*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_5 * __pyx_v_flow.strides[0]) ) + __pyx_t_6 * __pyx_v_flow.strides[1]) ) + __pyx_t_7 * __pyx_v_flow.strides[2]) ))));
+0161: cdef double top = flow[x][y][1] - flow[x][mod(y + 1, size_y)][3] # if y < size_y - 1 else 0.0
__pyx_t_7 = __pyx_v_x; __pyx_t_6 = __pyx_v_y; __pyx_t_5 = 1; if (__pyx_t_7 < 0) __pyx_t_7 += __pyx_v_flow.shape[0]; if (__pyx_t_6 < 0) __pyx_t_6 += __pyx_v_flow.shape[1]; if (__pyx_t_5 < 0) __pyx_t_5 += __pyx_v_flow.shape[2]; __pyx_t_1 = __pyx_f_6eroder_mod((__pyx_v_y + 1), __pyx_v_size_y); if (unlikely(__pyx_t_1 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 161, __pyx_L1_error) __pyx_t_4 = __pyx_v_x; __pyx_t_2 = __pyx_t_1; __pyx_t_3 = 3; if (__pyx_t_4 < 0) __pyx_t_4 += __pyx_v_flow.shape[0]; if (__pyx_t_3 < 0) __pyx_t_3 += __pyx_v_flow.shape[2]; __pyx_v_top = ((*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_7 * __pyx_v_flow.strides[0]) ) + __pyx_t_6 * __pyx_v_flow.strides[1]) ) + __pyx_t_5 * __pyx_v_flow.strides[2]) ))) - (*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_4 * __pyx_v_flow.strides[0]) ) + __pyx_t_2 * __pyx_v_flow.strides[1]) ) + __pyx_t_3 * __pyx_v_flow.strides[2]) ))));
0162:
+0163: return (0.5 * (left + right), 0.5 * (top + bottom))
__pyx_t_8.f0 = (0.5 * (__pyx_v_left + __pyx_v_right)); __pyx_t_8.f1 = (0.5 * (__pyx_v_top + __pyx_v_bottom)); __pyx_r = __pyx_t_8; goto __pyx_L0;
0164:
0165:
0166: # I decided to code it in the same way normals are computed
0167: # so the average steepness, or, the first derivative
0168: # nvm, it's sine now
+0169: cdef inline double get_steepness(int x, int y, int size_x, int size_y, double[:, :] heightmap) noexcept nogil:
static CYTHON_INLINE double __pyx_f_6eroder_get_steepness(int __pyx_v_x, int __pyx_v_y, int __pyx_v_size_x, int __pyx_v_size_y, __Pyx_memviewslice __pyx_v_heightmap) {
double __pyx_v_dx;
double __pyx_v_dy;
double __pyx_r;
/* … */
/* function exit code */
__pyx_L1_error:;
#ifdef WITH_THREAD
__pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_WriteUnraisable("eroder.get_steepness", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 0);
__pyx_r = 0;
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__pyx_L0:;
return __pyx_r;
}
+0170: cdef double dx = abs(heightmap[mod(x - 1, size_x)][y] - heightmap[mod(x + 1, size_x)][y])
__pyx_t_1 = __pyx_f_6eroder_mod((__pyx_v_x - 1), __pyx_v_size_x); if (unlikely(__pyx_t_1 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 170, __pyx_L1_error) __pyx_t_2 = __pyx_t_1; __pyx_t_3 = __pyx_v_y; if (__pyx_t_3 < 0) __pyx_t_3 += __pyx_v_heightmap.shape[1]; __pyx_t_4 = __pyx_f_6eroder_mod((__pyx_v_x + 1), __pyx_v_size_x); if (unlikely(__pyx_t_4 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 170, __pyx_L1_error) __pyx_t_5 = __pyx_t_4; __pyx_t_6 = __pyx_v_y; if (__pyx_t_6 < 0) __pyx_t_6 += __pyx_v_heightmap.shape[1]; __pyx_v_dx = fabs(((*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_2 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_3 * __pyx_v_heightmap.strides[1]) ))) - (*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_5 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_6 * __pyx_v_heightmap.strides[1]) )))));
+0171: cdef double dy = abs(heightmap[x][mod(y - 1, size_y)] - heightmap[x][mod(y + 1, size_y)])
__pyx_t_4 = __pyx_f_6eroder_mod((__pyx_v_y - 1), __pyx_v_size_y); if (unlikely(__pyx_t_4 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 171, __pyx_L1_error) __pyx_t_6 = __pyx_v_x; __pyx_t_5 = __pyx_t_4; if (__pyx_t_6 < 0) __pyx_t_6 += __pyx_v_heightmap.shape[0]; __pyx_t_1 = __pyx_f_6eroder_mod((__pyx_v_y + 1), __pyx_v_size_y); if (unlikely(__pyx_t_1 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 171, __pyx_L1_error) __pyx_t_3 = __pyx_v_x; __pyx_t_2 = __pyx_t_1; if (__pyx_t_3 < 0) __pyx_t_3 += __pyx_v_heightmap.shape[0]; __pyx_v_dy = fabs(((*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_6 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_5 * __pyx_v_heightmap.strides[1]) ))) - (*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_3 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_2 * __pyx_v_heightmap.strides[1]) )))));
0172:
0173: # assumes length = 1.0
+0174: return sqrt(dx**2 + dy**2) / sqrt(dx**2 + dy**2 + 1.0**2)
__pyx_r = (sqrt((pow(__pyx_v_dx, 2.0) + pow(__pyx_v_dy, 2.0))) / sqrt(((pow(__pyx_v_dx, 2.0) + pow(__pyx_v_dy, 2.0)) + pow(1.0, 2.0)))); goto __pyx_L0;
0175:
0176:
0177: # similar to a second derivative
0178: # positive = bump
0179: # negative = hole
+0180: cdef double get_convexness(int x, int y, int size_x, int size_y, double[:, :] heightmap) noexcept nogil:
static double __pyx_f_6eroder_get_convexness(int __pyx_v_x, int __pyx_v_y, int __pyx_v_size_x, int __pyx_v_size_y, __Pyx_memviewslice __pyx_v_heightmap) {
int __pyx_v_delta_x[4];
int __pyx_v_delta_y[4];
int __pyx_v_i;
double __pyx_v_delta_h;
double __pyx_v_cx;
double __pyx_v_cy;
double __pyx_r;
/* … */
/* function exit code */
__pyx_L1_error:;
#ifdef WITH_THREAD
__pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_WriteUnraisable("eroder.get_convexness", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 0);
__pyx_r = 0;
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__pyx_L0:;
return __pyx_r;
}
+0181: cdef int[4] delta_x = [ 1, 0, -1, 0 ]
__pyx_t_1[0] = 1; __pyx_t_1[1] = 0; __pyx_t_1[2] = -1; __pyx_t_1[3] = 0; memcpy(&(__pyx_v_delta_x[0]), __pyx_t_1, sizeof(__pyx_v_delta_x[0]) * (4));
+0182: cdef int[4] delta_y = [ 0, 1, 0, -1 ]
__pyx_t_2[0] = 0; __pyx_t_2[1] = 1; __pyx_t_2[2] = 0; __pyx_t_2[3] = -1; memcpy(&(__pyx_v_delta_y[0]), __pyx_t_2, sizeof(__pyx_v_delta_y[0]) * (4));
+0183: cdef int i = 0
__pyx_v_i = 0;
0184: cdef double delta_h
0185:
0186: # x, y, magnitude
+0187: cdef double cx = 0.0, cy = 0.0
__pyx_v_cx = 0.0; __pyx_v_cy = 0.0;
0188:
+0189: for i in range(4):
for (__pyx_t_3 = 0; __pyx_t_3 < 4; __pyx_t_3+=1) {
__pyx_v_i = __pyx_t_3;
0190: #if (0 <= x + delta_x[i] < size_x) and (0 <= y + delta_y[i] < size_y):
+0191: delta_h = heightmap[x][y] - heightmap[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)]
__pyx_t_4 = __pyx_v_x;
__pyx_t_5 = __pyx_v_y;
if (__pyx_t_4 < 0) __pyx_t_4 += __pyx_v_heightmap.shape[0];
if (__pyx_t_5 < 0) __pyx_t_5 += __pyx_v_heightmap.shape[1];
__pyx_t_6 = __pyx_f_6eroder_mod((__pyx_v_x + (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_6 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 191, __pyx_L1_error)
__pyx_t_7 = __pyx_f_6eroder_mod((__pyx_v_y + (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_7 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 191, __pyx_L1_error)
__pyx_t_8 = __pyx_t_6;
__pyx_t_9 = __pyx_t_7;
__pyx_v_delta_h = ((*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_4 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_5 * __pyx_v_heightmap.strides[1]) ))) - (*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_8 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_9 * __pyx_v_heightmap.strides[1]) ))));
+0192: cx += 0.5 * fabs(delta_x[i]) * delta_h
__pyx_v_cx = (__pyx_v_cx + ((0.5 * fabs((__pyx_v_delta_x[__pyx_v_i]))) * __pyx_v_delta_h));
+0193: cy += 0.5 * fabs(delta_y[i]) * delta_h
__pyx_v_cy = (__pyx_v_cy + ((0.5 * fabs((__pyx_v_delta_y[__pyx_v_i]))) * __pyx_v_delta_h)); }
0194:
0195: # assumes length = 1.0
+0196: return 0.5 * (cx + cy) / sqrt((0.5 * (cx + cy))**2 + 1.0**2)
__pyx_r = ((0.5 * (__pyx_v_cx + __pyx_v_cy)) / sqrt((pow((0.5 * (__pyx_v_cx + __pyx_v_cy)), 2.0) + pow(1.0, 2.0)))); goto __pyx_L0;
0197:
0198:
0199: # adding more water than the max_depth will not speed up the erosion
0200: # source: that Balazs paper
+0201: cdef inline double max_erosion_depth(double depth) noexcept nogil:
static CYTHON_INLINE double __pyx_f_6eroder_max_erosion_depth(double __pyx_v_depth) {
double __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0202: if depth >= WATER_MAX_DEPTH_EROSION:
__pyx_t_1 = (__pyx_v_depth >= __pyx_v_6eroder_WATER_MAX_DEPTH_EROSION);
if (__pyx_t_1) {
/* … */
}
+0203: return 1.0
__pyx_r = 1.0;
goto __pyx_L0;
+0204: elif 0 < depth < WATER_MAX_DEPTH_EROSION:
__pyx_t_1 = (0.0 < __pyx_v_depth);
if (__pyx_t_1) {
__pyx_t_1 = (__pyx_v_depth < __pyx_v_6eroder_WATER_MAX_DEPTH_EROSION);
}
if (__pyx_t_1) {
/* … */
}
+0205: return 1.0 - (WATER_MAX_DEPTH_EROSION - depth) / WATER_MAX_DEPTH_EROSION
__pyx_r = (1.0 - ((__pyx_v_6eroder_WATER_MAX_DEPTH_EROSION - __pyx_v_depth) / __pyx_v_6eroder_WATER_MAX_DEPTH_EROSION));
goto __pyx_L0;
0206: else:
+0207: return 0.0
/*else*/ {
__pyx_r = 0.0;
goto __pyx_L0;
}
0208:
0209:
0210:
0211: ##################################################
0212: # HELPER FUNCTIONS
0213:
0214:
+0215: cdef inline Soil new_soil_rock(double rock, int index) noexcept nogil:
static CYTHON_INLINE struct __pyx_t_6eroder_Soil __pyx_f_6eroder_new_soil_rock(double __pyx_v_rock, int __pyx_v_index) {
struct __pyx_t_6eroder_Soil __pyx_v_soil;
struct __pyx_t_6eroder_Soil __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0216: cdef Soil soil = EMPTY_SOIL
__pyx_v_soil = __pyx_v_6eroder_EMPTY_SOIL;
+0217: soil.rocks[index] = rock
(__pyx_v_soil.rocks[__pyx_v_index]) = __pyx_v_rock;
+0218: return soil
__pyx_r = __pyx_v_soil; goto __pyx_L0;
0219:
0220:
+0221: cdef inline Soil new_soil_from_bedrock_type(int bedrock_type, double amount) noexcept nogil:
static CYTHON_INLINE struct __pyx_t_6eroder_Soil __pyx_f_6eroder_new_soil_from_bedrock_type(int __pyx_v_bedrock_type, double __pyx_v_amount) {
struct __pyx_t_6eroder_Soil __pyx_r;
/* … */
/* function exit code */
__Pyx_pretend_to_initialize(&__pyx_r);
__pyx_L0:;
return __pyx_r;
}
+0222: if bedrock_type == 0:
__pyx_t_1 = (__pyx_v_bedrock_type == 0);
if (__pyx_t_1) {
/* … */
}
+0223: return new_soil(0, 0, 0.2 * amount, 0.3 * amount, 0.5 * amount)
__pyx_r = __pyx_f_6eroder_new_soil(0.0, 0.0, (0.2 * __pyx_v_amount), (0.3 * __pyx_v_amount), (0.5 * __pyx_v_amount));
goto __pyx_L0;
+0224: if bedrock_type == 1:
__pyx_t_1 = (__pyx_v_bedrock_type == 1);
if (__pyx_t_1) {
/* … */
}
+0225: return new_soil(0, 0, 0.1 * amount, 0.2 * amount, 0.7 * amount)
__pyx_r = __pyx_f_6eroder_new_soil(0.0, 0.0, (0.1 * __pyx_v_amount), (0.2 * __pyx_v_amount), (0.7 * __pyx_v_amount));
goto __pyx_L0;
+0226: if bedrock_type == 2:
__pyx_t_1 = (__pyx_v_bedrock_type == 2);
if (__pyx_t_1) {
/* … */
}
+0227: return new_soil(0, 0, 0.05 * amount, 0.15 * amount, 0.8 * amount)
__pyx_r = __pyx_f_6eroder_new_soil(0.0, 0.0, (0.05 * __pyx_v_amount), (0.15 * __pyx_v_amount), (0.8 * __pyx_v_amount));
goto __pyx_L0;
0228:
0229:
+0230: cdef inline double get_soil_height(Soil& soil) noexcept nogil:
static CYTHON_INLINE double __pyx_f_6eroder_get_soil_height(struct __pyx_t_6eroder_Soil &__pyx_v_soil) {
double __pyx_v_h;
unsigned int __pyx_v_i;
double __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0231: cdef double h = soil.organic
__pyx_t_1 = __pyx_v_soil.organic; __pyx_v_h = __pyx_t_1;
0232: cdef unsigned int i
0233:
+0234: for i in range(4):
for (__pyx_t_2 = 0; __pyx_t_2 < 4; __pyx_t_2+=1) {
__pyx_v_i = __pyx_t_2;
+0235: h += soil.rocks[i]
__pyx_v_h = (__pyx_v_h + (__pyx_v_soil.rocks[__pyx_v_i])); }
0236:
+0237: return h
__pyx_r = __pyx_v_h; goto __pyx_L0;
0238:
0239:
0240: # returns Soil with same ratios, but with cummulative height of 1.0
+0241: cdef inline Soil normalized(Soil soil) noexcept nogil:
static CYTHON_INLINE struct __pyx_t_6eroder_Soil __pyx_f_6eroder_normalized(struct __pyx_t_6eroder_Soil __pyx_v_soil) {
double __pyx_v_soil_height;
long __pyx_v_i;
struct __pyx_t_6eroder_Soil __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0242: cdef double soil_height = get_soil_height(soil)
__pyx_v_soil_height = __pyx_f_6eroder_get_soil_height(__pyx_v_soil);
0243:
+0244: if soil_height == 0.0:
__pyx_t_1 = (__pyx_v_soil_height == 0.0);
if (__pyx_t_1) {
/* … */
}
+0245: return EMPTY_SOIL
__pyx_r = __pyx_v_6eroder_EMPTY_SOIL;
goto __pyx_L0;
0246:
+0247: soil.organic /= soil_height
__pyx_v_soil.organic = (__pyx_v_soil.organic / __pyx_v_soil_height);
+0248: for i in range(4):
for (__pyx_t_2 = 0; __pyx_t_2 < 4; __pyx_t_2+=1) {
__pyx_v_i = __pyx_t_2;
+0249: soil.rocks[i] /= soil_height
__pyx_t_3 = __pyx_v_i;
(__pyx_v_soil.rocks[__pyx_t_3]) = ((__pyx_v_soil.rocks[__pyx_t_3]) / __pyx_v_soil_height);
}
0250:
+0251: return soil
__pyx_r = __pyx_v_soil; goto __pyx_L0;
0252:
0253:
0254: # returns soil with average concentrations of all materials in a depth-deep column
+0255: cdef inline Soil get_soil_sample(Horizon& horizon, double depth) noexcept nogil:
static CYTHON_INLINE struct __pyx_t_6eroder_Soil __pyx_f_6eroder_get_soil_sample(struct __pyx_t_6eroder_Horizon &__pyx_v_horizon, double __pyx_v_depth) {
struct __pyx_t_6eroder_Soil __pyx_v_result;
double __pyx_v_fraction;
struct __pyx_t_6eroder_Soil __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0256: cdef Soil result = horizon.topsoil
__pyx_t_1 = __pyx_v_horizon.topsoil; __pyx_v_result = __pyx_t_1;
0257:
+0258: if get_soil_height(result) >= depth:
__pyx_t_2 = (__pyx_f_6eroder_get_soil_height(__pyx_v_result) >= __pyx_v_depth);
if (__pyx_t_2) {
/* … */
}
0259: # we have everything
+0260: return soil_fraction(result, depth / get_soil_height(result))
__pyx_r = __pyx_f_6eroder_soil_fraction(__pyx_v_result, (__pyx_v_depth / __pyx_f_6eroder_get_soil_height(__pyx_v_result)));
goto __pyx_L0;
0261:
+0262: depth -= get_soil_height(result)
__pyx_v_depth = (__pyx_v_depth - __pyx_f_6eroder_get_soil_height(__pyx_v_result));
0263:
+0264: if get_soil_height(horizon.subsoil) <= 0.0:
__pyx_t_2 = (__pyx_f_6eroder_get_soil_height(__pyx_v_horizon.subsoil) <= 0.0);
if (__pyx_t_2) {
/* … */
}
+0265: return result
__pyx_r = __pyx_v_result;
goto __pyx_L0;
0266:
+0267: cdef double fraction = min(1.0, depth / get_soil_height(horizon.subsoil))
__pyx_t_3 = (__pyx_v_depth / __pyx_f_6eroder_get_soil_height(__pyx_v_horizon.subsoil));
__pyx_t_4 = 1.0;
__pyx_t_2 = (__pyx_t_3 < __pyx_t_4);
if (__pyx_t_2) {
__pyx_t_5 = __pyx_t_3;
} else {
__pyx_t_5 = __pyx_t_4;
}
__pyx_v_fraction = __pyx_t_5;
0268:
+0269: add_to_soil(result, soil_fraction(horizon.subsoil, fraction))
__pyx_f_6eroder_add_to_soil(__pyx_v_result, __pyx_f_6eroder_soil_fraction(__pyx_v_horizon.subsoil, __pyx_v_fraction));
0270:
+0271: return result
__pyx_r = __pyx_v_result; goto __pyx_L0;
0272:
0273:
0274: # returns Soil with same ratios, but scaled by fraction
+0275: cdef inline Soil soil_fraction(Soil soil, double fraction) noexcept nogil:
static CYTHON_INLINE struct __pyx_t_6eroder_Soil __pyx_f_6eroder_soil_fraction(struct __pyx_t_6eroder_Soil __pyx_v_soil, double __pyx_v_fraction) {
long __pyx_v_i;
struct __pyx_t_6eroder_Soil __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
0276: #if not (0.0 <= fraction <= 1.0):
0277: # print("Invalid fraction value: " + str(fraction))
0278:
0279: # sometimes 1.0000000000000002 comes up and I don't like it
+0280: if fraction > 1.0:
__pyx_t_1 = (__pyx_v_fraction > 1.0);
if (__pyx_t_1) {
/* … */
}
+0281: fraction = 1.0
__pyx_v_fraction = 1.0;
0282:
+0283: soil.organic *= fraction
__pyx_v_soil.organic = (__pyx_v_soil.organic * __pyx_v_fraction);
+0284: for i in range(4):
for (__pyx_t_2 = 0; __pyx_t_2 < 4; __pyx_t_2+=1) {
__pyx_v_i = __pyx_t_2;
+0285: soil.rocks[i] *= fraction
__pyx_t_3 = __pyx_v_i;
(__pyx_v_soil.rocks[__pyx_t_3]) = ((__pyx_v_soil.rocks[__pyx_t_3]) * __pyx_v_fraction);
}
0286:
+0287: return soil
__pyx_r = __pyx_v_soil; goto __pyx_L0;
0288:
0289:
+0290: cdef inline Soil add_soil(Soil a, Soil b) noexcept nogil:
static CYTHON_INLINE struct __pyx_t_6eroder_Soil __pyx_f_6eroder_add_soil(struct __pyx_t_6eroder_Soil __pyx_v_a, struct __pyx_t_6eroder_Soil __pyx_v_b) {
long __pyx_v_i;
struct __pyx_t_6eroder_Soil __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0291: a.organic += b.organic
__pyx_v_a.organic = (__pyx_v_a.organic + __pyx_v_b.organic);
+0292: for i in range(4):
for (__pyx_t_1 = 0; __pyx_t_1 < 4; __pyx_t_1+=1) {
__pyx_v_i = __pyx_t_1;
+0293: a.rocks[i] += b.rocks[i]
__pyx_t_2 = __pyx_v_i;
(__pyx_v_a.rocks[__pyx_t_2]) = ((__pyx_v_a.rocks[__pyx_t_2]) + (__pyx_v_b.rocks[__pyx_v_i]));
}
0294:
+0295: return a
__pyx_r = __pyx_v_a; goto __pyx_L0;
0296:
0297:
0298: # MODIFIES ARGUMENT
+0299: cdef inline void add_to_soil(Soil& a, Soil b) noexcept nogil:
static CYTHON_INLINE void __pyx_f_6eroder_add_to_soil(struct __pyx_t_6eroder_Soil &__pyx_v_a, struct __pyx_t_6eroder_Soil __pyx_v_b) {
long __pyx_v_i;
/* … */
/* function exit code */
}
+0300: a.organic += b.organic
__pyx_v_a.organic = (__pyx_v_a.organic + __pyx_v_b.organic);
+0301: for i in range(4):
for (__pyx_t_1 = 0; __pyx_t_1 < 4; __pyx_t_1+=1) {
__pyx_v_i = __pyx_t_1;
+0302: a.rocks[i] += b.rocks[i]
__pyx_t_2 = __pyx_v_i;
(__pyx_v_a.rocks[__pyx_t_2]) = ((__pyx_v_a.rocks[__pyx_t_2]) + (__pyx_v_b.rocks[__pyx_v_i]));
}
0303:
0304:
0305: # makes sure that after needed_height of material is added, the topsoil doesn't go over the max height
0306: # transfers part of topsoil into subsoil
0307: # MODIFIES ARGUMENT
+0308: cdef void organize_horizon(Horizon& horizon, double needed_height) noexcept nogil:
static void __pyx_f_6eroder_organize_horizon(struct __pyx_t_6eroder_Horizon &__pyx_v_horizon, double __pyx_v_needed_height) {
double __pyx_v_topsoil_height;
double __pyx_v_fraction_remove;
double __pyx_v_amount;
long __pyx_v_i;
/* … */
/* function exit code */
}
+0309: cdef double topsoil_height = get_soil_height(horizon.topsoil)
__pyx_v_topsoil_height = __pyx_f_6eroder_get_soil_height(__pyx_v_horizon.topsoil);
0310: cdef double fraction_remove
0311: cdef double amount
0312:
+0313: if topsoil_height + needed_height > MAX_TOPSOIL_HEIGHT and topsoil_height > 0:
__pyx_t_2 = ((__pyx_v_topsoil_height + __pyx_v_needed_height) > __pyx_v_6eroder_MAX_TOPSOIL_HEIGHT);
if (__pyx_t_2) {
} else {
__pyx_t_1 = __pyx_t_2;
goto __pyx_L4_bool_binop_done;
}
__pyx_t_2 = (__pyx_v_topsoil_height > 0.0);
__pyx_t_1 = __pyx_t_2;
__pyx_L4_bool_binop_done:;
if (__pyx_t_1) {
/* … */
}
0314: # fraction of topsoil which needs to get transferred to subsoil
+0315: fraction_remove = max(min((topsoil_height + needed_height - MAX_TOPSOIL_HEIGHT) / topsoil_height, 1.0), 0.0)
__pyx_t_3 = 0.0;
__pyx_t_4 = 1.0;
__pyx_t_5 = (((__pyx_v_topsoil_height + __pyx_v_needed_height) - __pyx_v_6eroder_MAX_TOPSOIL_HEIGHT) / __pyx_v_topsoil_height);
__pyx_t_1 = (__pyx_t_4 < __pyx_t_5);
if (__pyx_t_1) {
__pyx_t_6 = __pyx_t_4;
} else {
__pyx_t_6 = __pyx_t_5;
}
__pyx_t_4 = __pyx_t_6;
__pyx_t_1 = (__pyx_t_3 > __pyx_t_4);
if (__pyx_t_1) {
__pyx_t_6 = __pyx_t_3;
} else {
__pyx_t_6 = __pyx_t_4;
}
__pyx_v_fraction_remove = __pyx_t_6;
0316:
+0317: amount = horizon.topsoil.organic * fraction_remove
__pyx_v_amount = (__pyx_v_horizon.topsoil.organic * __pyx_v_fraction_remove);
+0318: horizon.subsoil.organic += amount
__pyx_v_horizon.subsoil.organic = (__pyx_v_horizon.subsoil.organic + __pyx_v_amount);
+0319: horizon.topsoil.organic -= amount
__pyx_v_horizon.topsoil.organic = (__pyx_v_horizon.topsoil.organic - __pyx_v_amount);
0320:
+0321: for i in range(4):
for (__pyx_t_7 = 0; __pyx_t_7 < 4; __pyx_t_7+=1) {
__pyx_v_i = __pyx_t_7;
+0322: amount = horizon.topsoil.rocks[i] * fraction_remove
__pyx_v_amount = ((__pyx_v_horizon.topsoil.rocks[__pyx_v_i]) * __pyx_v_fraction_remove);
+0323: horizon.subsoil.rocks[i] += amount
__pyx_t_8 = __pyx_v_i;
(__pyx_v_horizon.subsoil.rocks[__pyx_t_8]) = ((__pyx_v_horizon.subsoil.rocks[__pyx_t_8]) + __pyx_v_amount);
+0324: horizon.topsoil.rocks[i] -= amount
__pyx_t_8 = __pyx_v_i;
(__pyx_v_horizon.topsoil.rocks[__pyx_t_8]) = ((__pyx_v_horizon.topsoil.rocks[__pyx_t_8]) - __pyx_v_amount);
}
0325:
0326:
+0327: cdef double get_soil_talus(Soil soil, double vegetation) noexcept nogil:
static double __pyx_f_6eroder_get_soil_talus(struct __pyx_t_6eroder_Soil __pyx_v_soil, double __pyx_v_vegetation) {
double __pyx_v_talus;
double __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0328: soil = normalized(soil)
__pyx_v_soil = __pyx_f_6eroder_normalized(__pyx_v_soil);
0329:
+0330: if get_soil_height(soil) <= 0.0:
__pyx_t_1 = (__pyx_f_6eroder_get_soil_height(__pyx_v_soil) <= 0.0);
if (__pyx_t_1) {
/* … */
}
+0331: return infinity
__pyx_r = __pyx_v_6eroder_infinity;
goto __pyx_L0;
0332:
+0333: cdef double talus = 1.25 * soil.organic
__pyx_v_talus = (1.25 * __pyx_v_soil.organic);
+0334: talus += 0.7 * soil.rocks[0]
__pyx_v_talus = (__pyx_v_talus + (0.7 * (__pyx_v_soil.rocks[0])));
+0335: talus += 0.8 * soil.rocks[1]
__pyx_v_talus = (__pyx_v_talus + (0.8 * (__pyx_v_soil.rocks[1])));
+0336: talus += 1.0 * soil.rocks[2]
__pyx_v_talus = (__pyx_v_talus + (1.0 * (__pyx_v_soil.rocks[2])));
+0337: talus += 1.0 * soil.rocks[3]
__pyx_v_talus = (__pyx_v_talus + (1.0 * (__pyx_v_soil.rocks[3])));
0338:
+0339: return talus * (1 + 0.2 * vegetation)
__pyx_r = (__pyx_v_talus * (1.0 + (0.2 * __pyx_v_vegetation))); goto __pyx_L0;
0340:
0341:
+0342: cdef inline Soil organification(Soil soil, double vegetation, double organification_speed, double delta_t) noexcept nogil:
static CYTHON_INLINE struct __pyx_t_6eroder_Soil __pyx_f_6eroder_organification(struct __pyx_t_6eroder_Soil __pyx_v_soil, double __pyx_v_vegetation, double __pyx_v_organification_speed, double __pyx_v_delta_t) {
double __pyx_v_change_0_org;
double __pyx_v_change_1_0;
double __pyx_v_change_2_1;
double __pyx_v_change_3_2;
struct __pyx_t_6eroder_Soil __pyx_v_result;
struct __pyx_t_6eroder_Soil __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0343: cdef double change_0_org = min(delta_t * vegetation * 0.01 * organification_speed * ROCK_CONVERSION_RATE[0], soil.rocks[0])
__pyx_t_1 = (__pyx_v_soil.rocks[0]);
__pyx_t_2 = ((((__pyx_v_delta_t * __pyx_v_vegetation) * 0.01) * __pyx_v_organification_speed) * (__pyx_v_6eroder_ROCK_CONVERSION_RATE[0]));
__pyx_t_4 = (__pyx_t_1 < __pyx_t_2);
if (__pyx_t_4) {
__pyx_t_3 = __pyx_t_1;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_change_0_org = __pyx_t_3;
+0344: cdef double change_1_0 = min(delta_t * vegetation * 0.01 * organification_speed * ROCK_CONVERSION_RATE[1], soil.rocks[1])
__pyx_t_3 = (__pyx_v_soil.rocks[1]);
__pyx_t_1 = ((((__pyx_v_delta_t * __pyx_v_vegetation) * 0.01) * __pyx_v_organification_speed) * (__pyx_v_6eroder_ROCK_CONVERSION_RATE[1]));
__pyx_t_4 = (__pyx_t_3 < __pyx_t_1);
if (__pyx_t_4) {
__pyx_t_2 = __pyx_t_3;
} else {
__pyx_t_2 = __pyx_t_1;
}
__pyx_v_change_1_0 = __pyx_t_2;
+0345: cdef double change_2_1 = min(delta_t * vegetation * 0.01 * organification_speed * ROCK_CONVERSION_RATE[2], soil.rocks[2])
__pyx_t_2 = (__pyx_v_soil.rocks[2]);
__pyx_t_3 = ((((__pyx_v_delta_t * __pyx_v_vegetation) * 0.01) * __pyx_v_organification_speed) * (__pyx_v_6eroder_ROCK_CONVERSION_RATE[2]));
__pyx_t_4 = (__pyx_t_2 < __pyx_t_3);
if (__pyx_t_4) {
__pyx_t_1 = __pyx_t_2;
} else {
__pyx_t_1 = __pyx_t_3;
}
__pyx_v_change_2_1 = __pyx_t_1;
+0346: cdef double change_3_2 = min(delta_t * vegetation * 0.01 * organification_speed * ROCK_CONVERSION_RATE[3], soil.rocks[3])
__pyx_t_1 = (__pyx_v_soil.rocks[3]);
__pyx_t_2 = ((((__pyx_v_delta_t * __pyx_v_vegetation) * 0.01) * __pyx_v_organification_speed) * (__pyx_v_6eroder_ROCK_CONVERSION_RATE[3]));
__pyx_t_4 = (__pyx_t_1 < __pyx_t_2);
if (__pyx_t_4) {
__pyx_t_3 = __pyx_t_1;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_change_3_2 = __pyx_t_3;
0347:
+0348: cdef Soil result = EMPTY_SOIL
__pyx_v_result = __pyx_v_6eroder_EMPTY_SOIL;
+0349: result.organic = soil.organic + change_0_org
__pyx_v_result.organic = (__pyx_v_soil.organic + __pyx_v_change_0_org);
+0350: result.rocks[0] = soil.rocks[0] + change_1_0 - change_0_org
(__pyx_v_result.rocks[0]) = (((__pyx_v_soil.rocks[0]) + __pyx_v_change_1_0) - __pyx_v_change_0_org);
+0351: result.rocks[1] = soil.rocks[1] + change_2_1 - change_1_0
(__pyx_v_result.rocks[1]) = (((__pyx_v_soil.rocks[1]) + __pyx_v_change_2_1) - __pyx_v_change_1_0);
+0352: result.rocks[2] = soil.rocks[2] + change_3_2 - change_2_1
(__pyx_v_result.rocks[2]) = (((__pyx_v_soil.rocks[2]) + __pyx_v_change_3_2) - __pyx_v_change_2_1);
+0353: result.rocks[3] = soil.rocks[3] - change_3_2
(__pyx_v_result.rocks[3]) = ((__pyx_v_soil.rocks[3]) - __pyx_v_change_3_2);
0354:
+0355: return result
__pyx_r = __pyx_v_result; goto __pyx_L0;
0356:
0357: ##################################################
0358: # WATER
0359:
0360: # returns Water with same ratios, but scaled by fraction
+0361: cdef inline Water water_fraction(Water water, double fraction) noexcept nogil:
static CYTHON_INLINE struct __pyx_t_6eroder_Water __pyx_f_6eroder_water_fraction(struct __pyx_t_6eroder_Water __pyx_v_water, double __pyx_v_fraction) {
struct __pyx_t_6eroder_Water __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
0362: #if not (0.0 <= fraction <= 1.0):
0363: # print("Invalid fraction value: " + str(fraction))
0364:
0365: # sometimes 1.0000000000000002 comes up and I don't like it
+0366: if fraction > 1.0:
__pyx_t_1 = (__pyx_v_fraction > 1.0);
if (__pyx_t_1) {
/* … */
}
+0367: fraction = 1.0
__pyx_v_fraction = 1.0;
0368:
+0369: water.height *= fraction
__pyx_v_water.height = (__pyx_v_water.height * __pyx_v_fraction);
0370: # previous water is handled differently
+0371: water.regolith = soil_fraction(water.regolith, fraction)
__pyx_v_water.regolith = __pyx_f_6eroder_soil_fraction(__pyx_v_water.regolith, __pyx_v_fraction);
+0372: water.sediment = soil_fraction(water.sediment, fraction)
__pyx_v_water.sediment = __pyx_f_6eroder_soil_fraction(__pyx_v_water.sediment, __pyx_v_fraction);
0373: # velocity remains unchanged
0374:
+0375: return water
__pyx_r = __pyx_v_water; goto __pyx_L0;
0376:
0377:
+0378: cdef inline Water add_water(Water a, Water b) noexcept nogil:
static CYTHON_INLINE struct __pyx_t_6eroder_Water __pyx_f_6eroder_add_water(struct __pyx_t_6eroder_Water __pyx_v_a, struct __pyx_t_6eroder_Water __pyx_v_b) {
struct __pyx_t_6eroder_Water __pyx_v_c;
struct __pyx_t_6eroder_Water __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0379: cdef Water c = a
__pyx_v_c = __pyx_v_a;
+0380: add_to_water(c, b)
__pyx_f_6eroder_add_to_water(__pyx_v_c, __pyx_v_b);
+0381: return c
__pyx_r = __pyx_v_c; goto __pyx_L0;
0382:
0383:
0384: # MODIFIES ARGUMENT
+0385: cdef void add_to_water(Water& a, Water b) noexcept nogil:
static void __pyx_f_6eroder_add_to_water(struct __pyx_t_6eroder_Water &__pyx_v_a, struct __pyx_t_6eroder_Water __pyx_v_b) {
double __pyx_v_velocity_multiplier;
/* … */
/* function exit code */
__pyx_L0:;
}
+0386: if b.height <= 0.0:
__pyx_t_1 = (__pyx_v_b.height <= 0.0);
if (__pyx_t_1) {
/* … */
}
+0387: return
goto __pyx_L0;
0388:
+0389: cdef double velocity_multiplier = a.height / (a.height + b.height)
__pyx_v_velocity_multiplier = (__pyx_v_a.height / (__pyx_v_a.height + __pyx_v_b.height));
0390:
+0391: a.height += b.height
__pyx_v_a.height = (__pyx_v_a.height + __pyx_v_b.height);
+0392: add_to_soil(a.regolith, b.regolith)
__pyx_f_6eroder_add_to_soil(__pyx_v_a.regolith, __pyx_v_b.regolith);
+0393: add_to_soil(a.sediment, b.sediment)
__pyx_f_6eroder_add_to_soil(__pyx_v_a.sediment, __pyx_v_b.sediment);
0394: # previous water is handled differently
+0395: a.velocity_x = a.velocity_x * velocity_multiplier + b.velocity_x * (1.0 - velocity_multiplier)
__pyx_v_a.velocity_x = ((__pyx_v_a.velocity_x * __pyx_v_velocity_multiplier) + (__pyx_v_b.velocity_x * (1.0 - __pyx_v_velocity_multiplier)));
+0396: a.velocity_y = a.velocity_y * velocity_multiplier + b.velocity_y * (1.0 - velocity_multiplier)
__pyx_v_a.velocity_y = ((__pyx_v_a.velocity_y * __pyx_v_velocity_multiplier) + (__pyx_v_b.velocity_y * (1.0 - __pyx_v_velocity_multiplier)));
0397:
0398:
+0399: cdef inline Water speedup(Water water, double x, double y) noexcept nogil:
static CYTHON_INLINE struct __pyx_t_6eroder_Water __pyx_f_6eroder_speedup(struct __pyx_t_6eroder_Water __pyx_v_water, double __pyx_v_x, double __pyx_v_y) {
struct __pyx_t_6eroder_Water __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0400: water.velocity_x += x
__pyx_v_water.velocity_x = (__pyx_v_water.velocity_x + __pyx_v_x);
+0401: water.velocity_y += y
__pyx_v_water.velocity_y = (__pyx_v_water.velocity_y + __pyx_v_y);
+0402: return water
__pyx_r = __pyx_v_water; goto __pyx_L0;
0403:
0404:
0405: # MODIFIES ARGUMENT
+0406: cdef inline void slow_down(Water& water) noexcept nogil:
static CYTHON_INLINE void __pyx_f_6eroder_slow_down(struct __pyx_t_6eroder_Water &__pyx_v_water) {
CYTHON_UNUSED double __pyx_v_scaling;
double __pyx_v_velocity;
double __pyx_v_resistance;
/* … */
/* function exit code */
}
+0407: cdef double scaling = 1.0
__pyx_v_scaling = 1.0;
+0408: cdef double velocity = sqrt(water.velocity_x**2 + water.velocity_y**2)
__pyx_v_velocity = sqrt((pow(__pyx_v_water.velocity_x, 2.0) + pow(__pyx_v_water.velocity_y, 2.0)));
+0409: cdef double resistance = 0.25 * (velocity / MAX_WATER_SPEED)**2
__pyx_v_resistance = (0.25 * pow((__pyx_v_velocity / __pyx_v_6eroder_MAX_WATER_SPEED), 2.0));
0410:
0411: #if velocity > MAX_WATER_SPEED:
0412: # scaling = MAX_WATER_SPEED / velocity
+0413: water.velocity_x *= max(1 - resistance, 0)
__pyx_t_1 = 0;
__pyx_t_2 = (1.0 - __pyx_v_resistance);
__pyx_t_4 = (__pyx_t_1 > __pyx_t_2);
if (__pyx_t_4) {
__pyx_t_3 = __pyx_t_1;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_water.velocity_x = (__pyx_v_water.velocity_x * __pyx_t_3);
+0414: water.velocity_y *= max(1 - resistance, 0)
__pyx_t_1 = 0;
__pyx_t_3 = (1.0 - __pyx_v_resistance);
__pyx_t_4 = (__pyx_t_1 > __pyx_t_3);
if (__pyx_t_4) {
__pyx_t_2 = __pyx_t_1;
} else {
__pyx_t_2 = __pyx_t_3;
}
__pyx_v_water.velocity_y = (__pyx_v_water.velocity_y * __pyx_t_2);
0415:
0416:
0417: ##################################################
0418: # EROSION AND DEPOSITION
0419:
0420:
0421: # MODIFIES ARGUMENT
+0422: cdef void remove_soil(Horizon& horizon, double amount) noexcept nogil:
static void __pyx_f_6eroder_remove_soil(struct __pyx_t_6eroder_Horizon &__pyx_v_horizon, double __pyx_v_amount) {
double __pyx_v_topsoil_height;
double __pyx_v_fraction_remove;
double __pyx_v_removed;
double __pyx_v_subsoil_height;
int __pyx_v_index;
/* … */
/* function exit code */
}
+0423: cdef double topsoil_height = get_soil_height(horizon.topsoil)
__pyx_v_topsoil_height = __pyx_f_6eroder_get_soil_height(__pyx_v_horizon.topsoil);
+0424: cdef double fraction_remove = 1.0
__pyx_v_fraction_remove = 1.0;
+0425: cdef double removed = 0.0
__pyx_v_removed = 0.0;
0426:
0427: # topsoil
+0428: if topsoil_height > 0:
__pyx_t_1 = (__pyx_v_topsoil_height > 0.0);
if (__pyx_t_1) {
/* … */
}
+0429: fraction_remove = min(amount / topsoil_height, 1.0)
__pyx_t_2 = 1.0;
__pyx_t_3 = (__pyx_v_amount / __pyx_v_topsoil_height);
__pyx_t_1 = (__pyx_t_2 < __pyx_t_3);
if (__pyx_t_1) {
__pyx_t_4 = __pyx_t_2;
} else {
__pyx_t_4 = __pyx_t_3;
}
__pyx_v_fraction_remove = __pyx_t_4;
+0430: horizon.topsoil = soil_fraction(horizon.topsoil, 1.0 - fraction_remove)
__pyx_v_horizon.topsoil = __pyx_f_6eroder_soil_fraction(__pyx_v_horizon.topsoil, (1.0 - __pyx_v_fraction_remove));
+0431: removed += fraction_remove * topsoil_height
__pyx_v_removed = (__pyx_v_removed + (__pyx_v_fraction_remove * __pyx_v_topsoil_height));
0432:
0433: # and also subsoil
+0434: cdef double subsoil_height = get_soil_height(horizon.subsoil)
__pyx_v_subsoil_height = __pyx_f_6eroder_get_soil_height(__pyx_v_horizon.subsoil);
0435:
0436: # topsoil
+0437: if amount > topsoil_height and subsoil_height > 0.0:
__pyx_t_5 = (__pyx_v_amount > __pyx_v_topsoil_height);
if (__pyx_t_5) {
} else {
__pyx_t_1 = __pyx_t_5;
goto __pyx_L5_bool_binop_done;
}
__pyx_t_5 = (__pyx_v_subsoil_height > 0.0);
__pyx_t_1 = __pyx_t_5;
__pyx_L5_bool_binop_done:;
if (__pyx_t_1) {
/* … */
}
+0438: fraction_remove = min((amount - topsoil_height) / subsoil_height, 1.0)
__pyx_t_4 = 1.0;
__pyx_t_2 = ((__pyx_v_amount - __pyx_v_topsoil_height) / __pyx_v_subsoil_height);
__pyx_t_1 = (__pyx_t_4 < __pyx_t_2);
if (__pyx_t_1) {
__pyx_t_3 = __pyx_t_4;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_fraction_remove = __pyx_t_3;
+0439: horizon.subsoil = soil_fraction(horizon.subsoil, 1.0 - fraction_remove)
__pyx_v_horizon.subsoil = __pyx_f_6eroder_soil_fraction(__pyx_v_horizon.subsoil, (1.0 - __pyx_v_fraction_remove));
+0440: removed += fraction_remove * subsoil_height
__pyx_v_removed = (__pyx_v_removed + (__pyx_v_fraction_remove * __pyx_v_subsoil_height));
0441:
0442: """ if not eq(amount, removed):
0443: print("discrepancy! amount=" + str(amount) + ", removed=" + str(removed)) """
0444:
0445: # first non-empty
+0446: cdef int index = 0
__pyx_v_index = 0;
+0447: while horizon.bedrock[index].height <= 0.0:
while (1) {
__pyx_t_1 = ((__pyx_v_horizon.bedrock[__pyx_v_index]).height <= 0.0);
if (!__pyx_t_1) break;
+0448: index += 1
__pyx_v_index = (__pyx_v_index + 1); }
0449:
0450: # remove the rest from the bedrock
+0451: horizon.bedrock[index].height -= amount - removed
__pyx_t_6 = __pyx_v_index; (__pyx_v_horizon.bedrock[__pyx_t_6]).height = ((__pyx_v_horizon.bedrock[__pyx_t_6]).height - (__pyx_v_amount - __pyx_v_removed));
0452:
0453:
0454:
0455: # MODIFIES ARGUMENT
+0456: cdef void deposit_soil(Horizon& destination, Soil& soil) noexcept nogil:
static void __pyx_f_6eroder_deposit_soil(struct __pyx_t_6eroder_Horizon &__pyx_v_destination, struct __pyx_t_6eroder_Soil &__pyx_v_soil) {
unsigned int __pyx_v_i;
/* … */
/* function exit code */
}
0457: cdef unsigned int i
0458:
0459: # prepare place in topsoil for new stuff
+0460: organize_horizon(destination, get_soil_height(soil))
__pyx_f_6eroder_organize_horizon(__pyx_v_destination, __pyx_f_6eroder_get_soil_height(__pyx_v_soil));
0461:
+0462: destination.topsoil.organic += soil.organic
__pyx_v_destination.topsoil.organic = (__pyx_v_destination.topsoil.organic + __pyx_v_soil.organic);
+0463: for i in range(4):
for (__pyx_t_1 = 0; __pyx_t_1 < 4; __pyx_t_1+=1) {
__pyx_v_i = __pyx_t_1;
+0464: destination.topsoil.rocks[i] += soil.rocks[i]
__pyx_t_2 = __pyx_v_i;
(__pyx_v_destination.topsoil.rocks[__pyx_t_2]) = ((__pyx_v_destination.topsoil.rocks[__pyx_t_2]) + (__pyx_v_soil.rocks[__pyx_v_i]));
}
0465:
0466: # make sure topsoil is not too thick (might delete later)
+0467: organize_horizon(destination, 0.0)
__pyx_f_6eroder_organize_horizon(__pyx_v_destination, 0.0);
0468:
0469:
0470: # MODIFIES ARGUMENT
+0471: cdef double erode_organic_amount(Horizon& horizon, double requested_amount) noexcept nogil:
static double __pyx_f_6eroder_erode_organic_amount(struct __pyx_t_6eroder_Horizon &__pyx_v_horizon, double __pyx_v_requested_amount) {
double __pyx_v_amount_remove;
double __pyx_v_removed;
double __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0472: cdef double amount_remove = 0.0
__pyx_v_amount_remove = 0.0;
+0473: cdef double removed = 0.0
__pyx_v_removed = 0.0;
+0474: requested_amount = max(0.0, requested_amount)
__pyx_t_1 = __pyx_v_requested_amount;
__pyx_t_2 = 0.0;
__pyx_t_4 = (__pyx_t_1 > __pyx_t_2);
if (__pyx_t_4) {
__pyx_t_3 = __pyx_t_1;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_requested_amount = __pyx_t_3;
0475:
+0476: if get_soil_height(horizon.topsoil) > 0.0:
__pyx_t_4 = (__pyx_f_6eroder_get_soil_height(__pyx_v_horizon.topsoil) > 0.0);
if (__pyx_t_4) {
/* … */
}
+0477: amount_remove = min(horizon.topsoil.organic, requested_amount)
__pyx_t_3 = __pyx_v_requested_amount;
__pyx_t_1 = __pyx_v_horizon.topsoil.organic;
__pyx_t_4 = (__pyx_t_3 < __pyx_t_1);
if (__pyx_t_4) {
__pyx_t_2 = __pyx_t_3;
} else {
__pyx_t_2 = __pyx_t_1;
}
__pyx_v_amount_remove = __pyx_t_2;
+0478: requested_amount -= amount_remove
__pyx_v_requested_amount = (__pyx_v_requested_amount - __pyx_v_amount_remove);
+0479: amount_remove *= max(MIN_FRACTION_TO_ERODE, horizon.topsoil.organic / get_soil_height(horizon.topsoil))
__pyx_t_2 = (__pyx_v_horizon.topsoil.organic / __pyx_f_6eroder_get_soil_height(__pyx_v_horizon.topsoil));
__pyx_t_3 = __pyx_v_6eroder_MIN_FRACTION_TO_ERODE;
__pyx_t_4 = (__pyx_t_2 > __pyx_t_3);
if (__pyx_t_4) {
__pyx_t_1 = __pyx_t_2;
} else {
__pyx_t_1 = __pyx_t_3;
}
__pyx_v_amount_remove = (__pyx_v_amount_remove * __pyx_t_1);
+0480: horizon.topsoil.organic -= amount_remove
__pyx_v_horizon.topsoil.organic = (__pyx_v_horizon.topsoil.organic - __pyx_v_amount_remove);
+0481: removed = amount_remove
__pyx_v_removed = __pyx_v_amount_remove;
0482: # try eroding from the lower layer as well
+0483: requested_amount *= max(0.0, 1 - (get_soil_height(horizon.topsoil) / LAYER_HEIGHT_TO_BECOME_ERODETHROUGH))
__pyx_t_1 = (1.0 - (__pyx_f_6eroder_get_soil_height(__pyx_v_horizon.topsoil) / __pyx_v_6eroder_LAYER_HEIGHT_TO_BECOME_ERODETHROUGH));
__pyx_t_2 = 0.0;
__pyx_t_4 = (__pyx_t_1 > __pyx_t_2);
if (__pyx_t_4) {
__pyx_t_3 = __pyx_t_1;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_requested_amount = (__pyx_v_requested_amount * __pyx_t_3);
0484:
+0485: if get_soil_height(horizon.subsoil) > 0.0 and requested_amount > 0.0:
__pyx_t_5 = (__pyx_f_6eroder_get_soil_height(__pyx_v_horizon.subsoil) > 0.0);
if (__pyx_t_5) {
} else {
__pyx_t_4 = __pyx_t_5;
goto __pyx_L5_bool_binop_done;
}
__pyx_t_5 = (__pyx_v_requested_amount > 0.0);
__pyx_t_4 = __pyx_t_5;
__pyx_L5_bool_binop_done:;
if (__pyx_t_4) {
/* … */
}
+0486: amount_remove = min(horizon.subsoil.organic, requested_amount)
__pyx_t_3 = __pyx_v_requested_amount;
__pyx_t_1 = __pyx_v_horizon.subsoil.organic;
__pyx_t_4 = (__pyx_t_3 < __pyx_t_1);
if (__pyx_t_4) {
__pyx_t_2 = __pyx_t_3;
} else {
__pyx_t_2 = __pyx_t_1;
}
__pyx_v_amount_remove = __pyx_t_2;
+0487: requested_amount -= amount_remove
__pyx_v_requested_amount = (__pyx_v_requested_amount - __pyx_v_amount_remove);
+0488: amount_remove *= max(MIN_FRACTION_TO_ERODE, horizon.subsoil.organic / get_soil_height(horizon.subsoil))
__pyx_t_2 = (__pyx_v_horizon.subsoil.organic / __pyx_f_6eroder_get_soil_height(__pyx_v_horizon.subsoil));
__pyx_t_3 = __pyx_v_6eroder_MIN_FRACTION_TO_ERODE;
__pyx_t_4 = (__pyx_t_2 > __pyx_t_3);
if (__pyx_t_4) {
__pyx_t_1 = __pyx_t_2;
} else {
__pyx_t_1 = __pyx_t_3;
}
__pyx_v_amount_remove = (__pyx_v_amount_remove * __pyx_t_1);
+0489: horizon.subsoil.organic -= amount_remove
__pyx_v_horizon.subsoil.organic = (__pyx_v_horizon.subsoil.organic - __pyx_v_amount_remove);
0490:
0491: # no need to erode rocks, they aren't organic
+0492: return amount_remove + removed
__pyx_r = (__pyx_v_amount_remove + __pyx_v_removed); goto __pyx_L0;
0493:
0494:
0495: # MODIFIES ARGUMENT
+0496: cdef double erode_rocks_amount(Horizon& horizon, double water_info, int type_result) noexcept nogil:
static double __pyx_f_6eroder_erode_rocks_amount(struct __pyx_t_6eroder_Horizon &__pyx_v_horizon, double __pyx_v_water_info, int __pyx_v_type_result) {
double __pyx_v_amount_remove;
double __pyx_v_removed;
double __pyx_v_requested_amount;
double __pyx_v_requested_residue;
int __pyx_v_i;
int __pyx_v_rock_type;
double __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
0497: cdef double amount_remove
+0498: cdef double removed = 0.0
__pyx_v_removed = 0.0;
+0499: cdef double requested_amount = 0.0
__pyx_v_requested_amount = 0.0;
+0500: cdef double requested_residue = 0.0
__pyx_v_requested_residue = 0.0;
+0501: cdef int i = 0
__pyx_v_i = 0;
0502:
0503:
+0504: for i in range(4):
for (__pyx_t_1 = 0; __pyx_t_1 < 4; __pyx_t_1+=1) {
__pyx_v_i = __pyx_t_1;
+0505: requested_amount = K_EROSION * max(rock_matrix_linear[i][type_result] * water_info + rock_matrix_constant[i][type_result], 0.0)
__pyx_t_2 = 0.0;
__pyx_t_3 = ((((__pyx_v_6eroder_rock_matrix_linear[__pyx_v_i])[__pyx_v_type_result]) * __pyx_v_water_info) + ((__pyx_v_6eroder_rock_matrix_constant[__pyx_v_i])[__pyx_v_type_result]));
__pyx_t_5 = (__pyx_t_2 > __pyx_t_3);
if (__pyx_t_5) {
__pyx_t_4 = __pyx_t_2;
} else {
__pyx_t_4 = __pyx_t_3;
}
__pyx_v_requested_amount = (__pyx_v_6eroder_K_EROSION * __pyx_t_4);
+0506: if horizon.topsoil.rocks[i] > 0.0 and requested_amount > 0.0:
__pyx_t_6 = ((__pyx_v_horizon.topsoil.rocks[__pyx_v_i]) > 0.0);
if (__pyx_t_6) {
} else {
__pyx_t_5 = __pyx_t_6;
goto __pyx_L6_bool_binop_done;
}
__pyx_t_6 = (__pyx_v_requested_amount > 0.0);
__pyx_t_5 = __pyx_t_6;
__pyx_L6_bool_binop_done:;
if (__pyx_t_5) {
/* … */
}
+0507: amount_remove = min(horizon.topsoil.rocks[i], requested_amount)
__pyx_t_4 = __pyx_v_requested_amount;
__pyx_t_2 = (__pyx_v_horizon.topsoil.rocks[__pyx_v_i]);
__pyx_t_5 = (__pyx_t_4 < __pyx_t_2);
if (__pyx_t_5) {
__pyx_t_3 = __pyx_t_4;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_amount_remove = __pyx_t_3;
+0508: requested_amount -= amount_remove
__pyx_v_requested_amount = (__pyx_v_requested_amount - __pyx_v_amount_remove);
+0509: amount_remove *= max(MIN_FRACTION_TO_ERODE, horizon.topsoil.rocks[i] / get_soil_height(horizon.topsoil))
__pyx_t_3 = ((__pyx_v_horizon.topsoil.rocks[__pyx_v_i]) / __pyx_f_6eroder_get_soil_height(__pyx_v_horizon.topsoil));
__pyx_t_4 = __pyx_v_6eroder_MIN_FRACTION_TO_ERODE;
__pyx_t_5 = (__pyx_t_3 > __pyx_t_4);
if (__pyx_t_5) {
__pyx_t_2 = __pyx_t_3;
} else {
__pyx_t_2 = __pyx_t_4;
}
__pyx_v_amount_remove = (__pyx_v_amount_remove * __pyx_t_2);
+0510: horizon.topsoil.rocks[i] -= amount_remove
__pyx_t_7 = __pyx_v_i;
(__pyx_v_horizon.topsoil.rocks[__pyx_t_7]) = ((__pyx_v_horizon.topsoil.rocks[__pyx_t_7]) - __pyx_v_amount_remove);
+0511: removed += amount_remove
__pyx_v_removed = (__pyx_v_removed + __pyx_v_amount_remove);
0512:
0513: # try eroding from the lower layer as well
+0514: requested_amount *= max(0.0, 1 - (get_soil_height(horizon.topsoil) / LAYER_HEIGHT_TO_BECOME_ERODETHROUGH))
__pyx_t_2 = (1.0 - (__pyx_f_6eroder_get_soil_height(__pyx_v_horizon.topsoil) / __pyx_v_6eroder_LAYER_HEIGHT_TO_BECOME_ERODETHROUGH));
__pyx_t_3 = 0.0;
__pyx_t_5 = (__pyx_t_2 > __pyx_t_3);
if (__pyx_t_5) {
__pyx_t_4 = __pyx_t_2;
} else {
__pyx_t_4 = __pyx_t_3;
}
__pyx_v_requested_amount = (__pyx_v_requested_amount * __pyx_t_4);
0515:
0516:
+0517: if horizon.subsoil.rocks[i] > 0.0 and requested_amount > 0.0:
__pyx_t_6 = ((__pyx_v_horizon.subsoil.rocks[__pyx_v_i]) > 0.0);
if (__pyx_t_6) {
} else {
__pyx_t_5 = __pyx_t_6;
goto __pyx_L9_bool_binop_done;
}
__pyx_t_6 = (__pyx_v_requested_amount > 0.0);
__pyx_t_5 = __pyx_t_6;
__pyx_L9_bool_binop_done:;
if (__pyx_t_5) {
/* … */
}
+0518: amount_remove = min(horizon.subsoil.rocks[i], requested_amount)
__pyx_t_4 = __pyx_v_requested_amount;
__pyx_t_2 = (__pyx_v_horizon.subsoil.rocks[__pyx_v_i]);
__pyx_t_5 = (__pyx_t_4 < __pyx_t_2);
if (__pyx_t_5) {
__pyx_t_3 = __pyx_t_4;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_amount_remove = __pyx_t_3;
+0519: requested_amount -= amount_remove
__pyx_v_requested_amount = (__pyx_v_requested_amount - __pyx_v_amount_remove);
+0520: amount_remove *= max(MIN_FRACTION_TO_ERODE, horizon.subsoil.rocks[i] / get_soil_height(horizon.subsoil))
__pyx_t_3 = ((__pyx_v_horizon.subsoil.rocks[__pyx_v_i]) / __pyx_f_6eroder_get_soil_height(__pyx_v_horizon.subsoil));
__pyx_t_4 = __pyx_v_6eroder_MIN_FRACTION_TO_ERODE;
__pyx_t_5 = (__pyx_t_3 > __pyx_t_4);
if (__pyx_t_5) {
__pyx_t_2 = __pyx_t_3;
} else {
__pyx_t_2 = __pyx_t_4;
}
__pyx_v_amount_remove = (__pyx_v_amount_remove * __pyx_t_2);
+0521: horizon.subsoil.rocks[i] -= amount_remove
__pyx_t_7 = __pyx_v_i;
(__pyx_v_horizon.subsoil.rocks[__pyx_t_7]) = ((__pyx_v_horizon.subsoil.rocks[__pyx_t_7]) - __pyx_v_amount_remove);
+0522: removed += amount_remove
__pyx_v_removed = (__pyx_v_removed + __pyx_v_amount_remove);
0523:
0524: # try eroding from the lower layer as well
+0525: requested_amount *= max(0.0, 1 - (get_soil_height(horizon.subsoil) / LAYER_HEIGHT_TO_BECOME_ERODETHROUGH))
__pyx_t_2 = (1.0 - (__pyx_f_6eroder_get_soil_height(__pyx_v_horizon.subsoil) / __pyx_v_6eroder_LAYER_HEIGHT_TO_BECOME_ERODETHROUGH));
__pyx_t_3 = 0.0;
__pyx_t_5 = (__pyx_t_2 > __pyx_t_3);
if (__pyx_t_5) {
__pyx_t_4 = __pyx_t_2;
} else {
__pyx_t_4 = __pyx_t_3;
}
__pyx_v_requested_amount = (__pyx_v_requested_amount * __pyx_t_4);
0526:
0527: # how much will it try to erode rocks
+0528: requested_residue += requested_amount
__pyx_v_requested_residue = (__pyx_v_requested_residue + __pyx_v_requested_amount); }
0529:
0530: # bedrock
+0531: for i in range(horizon.bedrock.size()):
__pyx_t_8 = __pyx_v_horizon.bedrock.size();
__pyx_t_9 = __pyx_t_8;
for (__pyx_t_1 = 0; __pyx_t_1 < __pyx_t_9; __pyx_t_1+=1) {
__pyx_v_i = __pyx_t_1;
+0532: if horizon.bedrock[i].height <= 0.0:
__pyx_t_5 = ((__pyx_v_horizon.bedrock[__pyx_v_i]).height <= 0.0);
if (__pyx_t_5) {
/* … */
}
+0533: continue
goto __pyx_L11_continue;
0534:
+0535: rock_type = horizon.bedrock[i].type
__pyx_t_7 = (__pyx_v_horizon.bedrock[__pyx_v_i]).type;
__pyx_v_rock_type = __pyx_t_7;
+0536: requested_amount = max(bedrock_erodability_linear[rock_type][type_result] * requested_residue + bedrock_erodability_constant[rock_type][type_result], 0.0)
__pyx_t_4 = 0.0;
__pyx_t_2 = ((((__pyx_v_6eroder_bedrock_erodability_linear[__pyx_v_rock_type])[__pyx_v_type_result]) * __pyx_v_requested_residue) + ((__pyx_v_6eroder_bedrock_erodability_constant[__pyx_v_rock_type])[__pyx_v_type_result]));
__pyx_t_5 = (__pyx_t_4 > __pyx_t_2);
if (__pyx_t_5) {
__pyx_t_3 = __pyx_t_4;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_requested_amount = __pyx_t_3;
+0537: if requested_amount > 0.0:
__pyx_t_5 = (__pyx_v_requested_amount > 0.0);
if (__pyx_t_5) {
/* … */
}
__pyx_L11_continue:;
}
__pyx_L12_break:;
+0538: amount_remove = min(horizon.bedrock[i].height, requested_amount)
__pyx_t_3 = __pyx_v_requested_amount;
__pyx_t_4 = (__pyx_v_horizon.bedrock[__pyx_v_i]).height;
__pyx_t_5 = (__pyx_t_3 < __pyx_t_4);
if (__pyx_t_5) {
__pyx_t_2 = __pyx_t_3;
} else {
__pyx_t_2 = __pyx_t_4;
}
__pyx_v_amount_remove = __pyx_t_2;
+0539: horizon.bedrock[i].height -= amount_remove
__pyx_t_7 = __pyx_v_i;
(__pyx_v_horizon.bedrock[__pyx_t_7]).height = ((__pyx_v_horizon.bedrock[__pyx_t_7]).height - __pyx_v_amount_remove);
+0540: removed += amount_remove
__pyx_v_removed = (__pyx_v_removed + __pyx_v_amount_remove);
+0541: break
goto __pyx_L12_break;
0542:
+0543: return removed
__pyx_r = __pyx_v_removed; goto __pyx_L0;
0544:
0545:
0546: # MODIFIES ARGUMENT
+0547: cdef Soil erode_regolith(Horizon& horizon, double requested_amount) noexcept nogil:
static struct __pyx_t_6eroder_Soil __pyx_f_6eroder_erode_regolith(struct __pyx_t_6eroder_Horizon &__pyx_v_horizon, double __pyx_v_requested_amount) {
double __pyx_v_amount_remove_org;
double __pyx_v_amount_remove_rock;
double __pyx_v_removed_org;
double __pyx_v_removed_rock;
struct __pyx_t_6eroder_Soil __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
+0548: cdef double amount_remove_org = 0.0, amount_remove_rock = 0.0
__pyx_v_amount_remove_org = 0.0; __pyx_v_amount_remove_rock = 0.0;
+0549: cdef double removed_org = 0.0, removed_rock = 0.0
__pyx_v_removed_org = 0.0; __pyx_v_removed_rock = 0.0;
+0550: requested_amount = max(0.0, requested_amount)
__pyx_t_1 = __pyx_v_requested_amount;
__pyx_t_2 = 0.0;
__pyx_t_4 = (__pyx_t_1 > __pyx_t_2);
if (__pyx_t_4) {
__pyx_t_3 = __pyx_t_1;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_requested_amount = __pyx_t_3;
0551:
+0552: if get_soil_height(horizon.topsoil) > 0.0:
__pyx_t_4 = (__pyx_f_6eroder_get_soil_height(__pyx_v_horizon.topsoil) > 0.0);
if (__pyx_t_4) {
/* … */
}
+0553: amount_remove_org = min(horizon.topsoil.organic, 0.5 * requested_amount)
__pyx_t_3 = (0.5 * __pyx_v_requested_amount);
__pyx_t_1 = __pyx_v_horizon.topsoil.organic;
__pyx_t_4 = (__pyx_t_3 < __pyx_t_1);
if (__pyx_t_4) {
__pyx_t_2 = __pyx_t_3;
} else {
__pyx_t_2 = __pyx_t_1;
}
__pyx_v_amount_remove_org = __pyx_t_2;
+0554: amount_remove_rock = min(horizon.topsoil.rocks[0], 0.5 * requested_amount)
__pyx_t_2 = (0.5 * __pyx_v_requested_amount);
__pyx_t_3 = (__pyx_v_horizon.topsoil.rocks[0]);
__pyx_t_4 = (__pyx_t_2 < __pyx_t_3);
if (__pyx_t_4) {
__pyx_t_1 = __pyx_t_2;
} else {
__pyx_t_1 = __pyx_t_3;
}
__pyx_v_amount_remove_rock = __pyx_t_1;
+0555: requested_amount -= amount_remove_org + amount_remove_rock
__pyx_v_requested_amount = (__pyx_v_requested_amount - (__pyx_v_amount_remove_org + __pyx_v_amount_remove_rock));
+0556: amount_remove_org *= max(MIN_FRACTION_TO_ERODE, horizon.topsoil.organic / get_soil_height(horizon.topsoil))
__pyx_t_1 = (__pyx_v_horizon.topsoil.organic / __pyx_f_6eroder_get_soil_height(__pyx_v_horizon.topsoil));
__pyx_t_2 = __pyx_v_6eroder_MIN_FRACTION_TO_ERODE;
__pyx_t_4 = (__pyx_t_1 > __pyx_t_2);
if (__pyx_t_4) {
__pyx_t_3 = __pyx_t_1;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_amount_remove_org = (__pyx_v_amount_remove_org * __pyx_t_3);
+0557: amount_remove_rock *= max(MIN_FRACTION_TO_ERODE, horizon.topsoil.rocks[0] / get_soil_height(horizon.topsoil))
__pyx_t_3 = ((__pyx_v_horizon.topsoil.rocks[0]) / __pyx_f_6eroder_get_soil_height(__pyx_v_horizon.topsoil));
__pyx_t_1 = __pyx_v_6eroder_MIN_FRACTION_TO_ERODE;
__pyx_t_4 = (__pyx_t_3 > __pyx_t_1);
if (__pyx_t_4) {
__pyx_t_2 = __pyx_t_3;
} else {
__pyx_t_2 = __pyx_t_1;
}
__pyx_v_amount_remove_rock = (__pyx_v_amount_remove_rock * __pyx_t_2);
+0558: horizon.topsoil.organic -= amount_remove_org
__pyx_v_horizon.topsoil.organic = (__pyx_v_horizon.topsoil.organic - __pyx_v_amount_remove_org);
+0559: horizon.topsoil.rocks[0] -= amount_remove_rock
__pyx_t_5 = 0;
(__pyx_v_horizon.topsoil.rocks[__pyx_t_5]) = ((__pyx_v_horizon.topsoil.rocks[__pyx_t_5]) - __pyx_v_amount_remove_rock);
+0560: removed_org = amount_remove_org
__pyx_v_removed_org = __pyx_v_amount_remove_org;
+0561: removed_rock = amount_remove_rock
__pyx_v_removed_rock = __pyx_v_amount_remove_rock;
0562: # try eroding from the lower layer as well
+0563: requested_amount *= max(0.0, 1 - (get_soil_height(horizon.topsoil) / LAYER_HEIGHT_TO_BECOME_ERODETHROUGH))
__pyx_t_2 = (1.0 - (__pyx_f_6eroder_get_soil_height(__pyx_v_horizon.topsoil) / __pyx_v_6eroder_LAYER_HEIGHT_TO_BECOME_ERODETHROUGH));
__pyx_t_3 = 0.0;
__pyx_t_4 = (__pyx_t_2 > __pyx_t_3);
if (__pyx_t_4) {
__pyx_t_1 = __pyx_t_2;
} else {
__pyx_t_1 = __pyx_t_3;
}
__pyx_v_requested_amount = (__pyx_v_requested_amount * __pyx_t_1);
0564:
+0565: if get_soil_height(horizon.subsoil) > 0.0 and requested_amount > 0.0:
__pyx_t_6 = (__pyx_f_6eroder_get_soil_height(__pyx_v_horizon.subsoil) > 0.0);
if (__pyx_t_6) {
} else {
__pyx_t_4 = __pyx_t_6;
goto __pyx_L5_bool_binop_done;
}
__pyx_t_6 = (__pyx_v_requested_amount > 0.0);
__pyx_t_4 = __pyx_t_6;
__pyx_L5_bool_binop_done:;
if (__pyx_t_4) {
/* … */
}
+0566: amount_remove_org = min(horizon.subsoil.organic, 0.5 * requested_amount)
__pyx_t_1 = (0.5 * __pyx_v_requested_amount);
__pyx_t_2 = __pyx_v_horizon.subsoil.organic;
__pyx_t_4 = (__pyx_t_1 < __pyx_t_2);
if (__pyx_t_4) {
__pyx_t_3 = __pyx_t_1;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_amount_remove_org = __pyx_t_3;
+0567: amount_remove_rock = min(horizon.subsoil.rocks[0], 0.5 * requested_amount)
__pyx_t_3 = (0.5 * __pyx_v_requested_amount);
__pyx_t_1 = (__pyx_v_horizon.subsoil.rocks[0]);
__pyx_t_4 = (__pyx_t_3 < __pyx_t_1);
if (__pyx_t_4) {
__pyx_t_2 = __pyx_t_3;
} else {
__pyx_t_2 = __pyx_t_1;
}
__pyx_v_amount_remove_rock = __pyx_t_2;
+0568: requested_amount -= amount_remove_org + amount_remove_rock
__pyx_v_requested_amount = (__pyx_v_requested_amount - (__pyx_v_amount_remove_org + __pyx_v_amount_remove_rock));
+0569: amount_remove_org *= max(MIN_FRACTION_TO_ERODE, horizon.subsoil.organic / get_soil_height(horizon.subsoil))
__pyx_t_2 = (__pyx_v_horizon.subsoil.organic / __pyx_f_6eroder_get_soil_height(__pyx_v_horizon.subsoil));
__pyx_t_3 = __pyx_v_6eroder_MIN_FRACTION_TO_ERODE;
__pyx_t_4 = (__pyx_t_2 > __pyx_t_3);
if (__pyx_t_4) {
__pyx_t_1 = __pyx_t_2;
} else {
__pyx_t_1 = __pyx_t_3;
}
__pyx_v_amount_remove_org = (__pyx_v_amount_remove_org * __pyx_t_1);
+0570: amount_remove_rock *= max(MIN_FRACTION_TO_ERODE, horizon.subsoil.rocks[0] / get_soil_height(horizon.subsoil))
__pyx_t_1 = ((__pyx_v_horizon.subsoil.rocks[0]) / __pyx_f_6eroder_get_soil_height(__pyx_v_horizon.subsoil));
__pyx_t_2 = __pyx_v_6eroder_MIN_FRACTION_TO_ERODE;
__pyx_t_4 = (__pyx_t_1 > __pyx_t_2);
if (__pyx_t_4) {
__pyx_t_3 = __pyx_t_1;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_amount_remove_rock = (__pyx_v_amount_remove_rock * __pyx_t_3);
+0571: horizon.subsoil.organic -= amount_remove_org
__pyx_v_horizon.subsoil.organic = (__pyx_v_horizon.subsoil.organic - __pyx_v_amount_remove_org);
+0572: horizon.subsoil.rocks[0] -= amount_remove_rock
__pyx_t_5 = 0;
(__pyx_v_horizon.subsoil.rocks[__pyx_t_5]) = ((__pyx_v_horizon.subsoil.rocks[__pyx_t_5]) - __pyx_v_amount_remove_rock);
0573:
0574:
0575: # no need to erode rocks, they can't get regolith layer
+0576: return new_soil(amount_remove_org + removed_org, amount_remove_rock + removed_rock, 0, 0, 0)
__pyx_r = __pyx_f_6eroder_new_soil((__pyx_v_amount_remove_org + __pyx_v_removed_org), (__pyx_v_amount_remove_rock + __pyx_v_removed_rock), 0.0, 0.0, 0.0); goto __pyx_L0;
0577:
0578:
0579: # MODIFIES ARGUMENT
+0580: cdef double erode_organic_amount_only_from(Soil& soil, double requested_amount) noexcept nogil:
static double __pyx_f_6eroder_erode_organic_amount_only_from(struct __pyx_t_6eroder_Soil &__pyx_v_soil, double __pyx_v_requested_amount) {
double __pyx_v_amount_remove;
double __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
0581: cdef double amount_remove
+0582: requested_amount = max(0.0, requested_amount)
__pyx_t_1 = __pyx_v_requested_amount;
__pyx_t_2 = 0.0;
__pyx_t_4 = (__pyx_t_1 > __pyx_t_2);
if (__pyx_t_4) {
__pyx_t_3 = __pyx_t_1;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_requested_amount = __pyx_t_3;
0583:
+0584: amount_remove = min(soil.organic, requested_amount)
__pyx_t_3 = __pyx_v_requested_amount;
__pyx_t_1 = __pyx_v_soil.organic;
__pyx_t_4 = (__pyx_t_3 < __pyx_t_1);
if (__pyx_t_4) {
__pyx_t_2 = __pyx_t_3;
} else {
__pyx_t_2 = __pyx_t_1;
}
__pyx_v_amount_remove = __pyx_t_2;
+0585: soil.organic -= amount_remove
__pyx_v_soil.organic = (__pyx_v_soil.organic - __pyx_v_amount_remove);
+0586: return amount_remove
__pyx_r = __pyx_v_amount_remove; goto __pyx_L0;
0587:
0588:
0589: # MODIFIES ARGUMENT
+0590: cdef double erode_rocks_amount_only_from(Soil& soil, double requested_amount, int index) noexcept nogil:
static double __pyx_f_6eroder_erode_rocks_amount_only_from(struct __pyx_t_6eroder_Soil &__pyx_v_soil, double __pyx_v_requested_amount, int __pyx_v_index) {
double __pyx_v_amount_remove;
double __pyx_r;
/* … */
/* function exit code */
__pyx_L0:;
return __pyx_r;
}
0591: cdef double amount_remove
+0592: requested_amount = max(0.0, requested_amount)
__pyx_t_1 = __pyx_v_requested_amount;
__pyx_t_2 = 0.0;
__pyx_t_4 = (__pyx_t_1 > __pyx_t_2);
if (__pyx_t_4) {
__pyx_t_3 = __pyx_t_1;
} else {
__pyx_t_3 = __pyx_t_2;
}
__pyx_v_requested_amount = __pyx_t_3;
0593:
+0594: amount_remove = min(soil.rocks[index], requested_amount)
__pyx_t_3 = __pyx_v_requested_amount;
__pyx_t_1 = (__pyx_v_soil.rocks[__pyx_v_index]);
__pyx_t_4 = (__pyx_t_3 < __pyx_t_1);
if (__pyx_t_4) {
__pyx_t_2 = __pyx_t_3;
} else {
__pyx_t_2 = __pyx_t_1;
}
__pyx_v_amount_remove = __pyx_t_2;
+0595: soil.rocks[index] -= amount_remove
__pyx_t_5 = __pyx_v_index; (__pyx_v_soil.rocks[__pyx_t_5]) = ((__pyx_v_soil.rocks[__pyx_t_5]) - __pyx_v_amount_remove);
+0596: return amount_remove
__pyx_r = __pyx_v_amount_remove; goto __pyx_L0;
0597:
0598:
0599: # this function exists because it some-fricking-how interfered with Gravitational erosion and I couldn't find a fix
0600: # MODIFIES ARGUMENTS
+0601: cdef void gravitational_erosion(int size_x, int size_y, double delta_t, double downhill_creep_constant, vector[vector[Horizon]]& terrain, double[:, :]& heightmap, double[:, :]& vegetation) noexcept nogil:
static void __pyx_f_6eroder_gravitational_erosion(int __pyx_v_size_x, int __pyx_v_size_y, CYTHON_UNUSED double __pyx_v_delta_t, CYTHON_UNUSED double __pyx_v_downhill_creep_constant, std::vector<std::vector<struct __pyx_t_6eroder_Horizon> > &__pyx_v_terrain, __Pyx_memviewslice &__pyx_v_heightmap, __Pyx_memviewslice &__pyx_v_vegetation) {
std::vector<std::vector<std::vector<std::vector<struct __pyx_t_6eroder_Soil> > > > __pyx_v_soil_flow;
std::vector<std::vector<double> > __pyx_v_heightmap2;
int __pyx_v_x;
int __pyx_v_y;
int __pyx_v_si;
int __pyx_v_sj;
int __pyx_v_i;
int __pyx_v_index;
double __pyx_v_fraction;
double __pyx_v_to_distribute;
double __pyx_v_height_fraction;
double __pyx_v_part;
double __pyx_v_delta_h_sum;
struct __pyx_t_6eroder_Soil __pyx_v_soil;
double __pyx_v_neighbors_delta_height[3][3];
double __pyx_v_talus;
double __pyx_v_max_delta;
double __pyx_v_delta;
double __pyx_v_soil_height;
/* … */
/* function exit code */
goto __pyx_L0;
__pyx_L1_error:;
#ifdef WITH_THREAD
__pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_WriteUnraisable("eroder.gravitational_erosion", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 0);
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__pyx_L0:;
}
0602: cdef vector[vector[vector[vector[Soil]]]] soil_flow
0603: cdef vector[vector[double]] heightmap2
0604: cdef int x, y, si, sj, i, index
0605: cdef double fraction, total_quantity, slope, denominator, q, to_distribute, height_fraction, part, delta_h_sum
0606: cdef Soil soil
0607: cdef double[3][3] neighbors_delta_height
0608:
+0609: heightmap2.resize(size_x)
try {
__pyx_v_heightmap2.resize(__pyx_v_size_x);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 609, __pyx_L1_error)
}
+0610: soil_flow.resize(size_x)
try {
__pyx_v_soil_flow.resize(__pyx_v_size_x);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 610, __pyx_L1_error)
}
0611:
+0612: for x in range(size_x):
__pyx_t_1 = __pyx_v_size_x;
__pyx_t_2 = __pyx_t_1;
for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
__pyx_v_x = __pyx_t_3;
+0613: heightmap2.at(x).resize(size_y, 0.0)
try {
__pyx_t_4 = __pyx_v_heightmap2.at(__pyx_v_x);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 613, __pyx_L1_error)
}
try {
__pyx_t_4->resize(__pyx_v_size_y, 0.0);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 613, __pyx_L1_error)
}
+0614: soil_flow.at(x).resize(size_y)
try {
__pyx_t_5 = __pyx_v_soil_flow.at(__pyx_v_x);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 614, __pyx_L1_error)
}
try {
__pyx_t_5->resize(__pyx_v_size_y);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 614, __pyx_L1_error)
}
+0615: for y in range(size_y):
__pyx_t_6 = __pyx_v_size_y;
__pyx_t_7 = __pyx_t_6;
for (__pyx_t_8 = 0; __pyx_t_8 < __pyx_t_7; __pyx_t_8+=1) {
__pyx_v_y = __pyx_t_8;
+0616: soil_flow[x][y].resize(3)
try {
((__pyx_v_soil_flow[__pyx_v_x])[__pyx_v_y]).resize(3);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 616, __pyx_L1_error)
}
+0617: for si in range(3):
for (__pyx_t_9 = 0; __pyx_t_9 < 3; __pyx_t_9+=1) {
__pyx_v_si = __pyx_t_9;
+0618: soil_flow[x][y][si].resize(3, EMPTY_SOIL)
try {
(((__pyx_v_soil_flow[__pyx_v_x])[__pyx_v_y])[__pyx_v_si]).resize(3, __pyx_v_6eroder_EMPTY_SOIL);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 618, __pyx_L1_error)
}
}
}
}
0619:
0620:
+0621: for x in range(size_x):
__pyx_t_1 = __pyx_v_size_x;
__pyx_t_2 = __pyx_t_1;
for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
__pyx_v_x = __pyx_t_3;
+0622: for y in range(size_y):
__pyx_t_6 = __pyx_v_size_y;
__pyx_t_7 = __pyx_t_6;
for (__pyx_t_8 = 0; __pyx_t_8 < __pyx_t_7; __pyx_t_8+=1) {
__pyx_v_y = __pyx_t_8;
0623: # clear flows
+0624: heightmap2[x][y] = 0.0
((__pyx_v_heightmap2[__pyx_v_x])[__pyx_v_y]) = 0.0;
+0625: for si in range(-1, 2):
for (__pyx_t_9 = -1; __pyx_t_9 < 2; __pyx_t_9+=1) {
__pyx_v_si = __pyx_t_9;
+0626: for sj in range(-1, 2):
for (__pyx_t_10 = -1; __pyx_t_10 < 2; __pyx_t_10+=1) {
__pyx_v_sj = __pyx_t_10;
+0627: soil_flow[x][y][si + 1][sj + 1] = EMPTY_SOIL
((((__pyx_v_soil_flow[__pyx_v_x])[__pyx_v_y])[(__pyx_v_si + 1)])[(__pyx_v_sj + 1)]) = __pyx_v_6eroder_EMPTY_SOIL;
}
}
0628:
0629: # talus angle will be the smaller of the 2 soils
+0630: talus = get_soil_talus(terrain[x][y].topsoil, vegetation[x][y])
__pyx_t_11 = __pyx_v_x;
__pyx_t_12 = __pyx_v_y;
if (__pyx_t_11 < 0) __pyx_t_11 += __pyx_v_vegetation.shape[0];
if (__pyx_t_12 < 0) __pyx_t_12 += __pyx_v_vegetation.shape[1];
__pyx_v_talus = __pyx_f_6eroder_get_soil_talus(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil, (*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_11 * __pyx_v_vegetation.strides[0]) ) + __pyx_t_12 * __pyx_v_vegetation.strides[1]) ))));
+0631: if get_soil_talus(terrain[x][y].subsoil, vegetation[x][y]) * 1.25 < talus:
__pyx_t_12 = __pyx_v_x;
__pyx_t_11 = __pyx_v_y;
if (__pyx_t_12 < 0) __pyx_t_12 += __pyx_v_vegetation.shape[0];
if (__pyx_t_11 < 0) __pyx_t_11 += __pyx_v_vegetation.shape[1];
__pyx_t_13 = ((__pyx_f_6eroder_get_soil_talus(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil, (*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_12 * __pyx_v_vegetation.strides[0]) ) + __pyx_t_11 * __pyx_v_vegetation.strides[1]) )))) * 1.25) < __pyx_v_talus);
if (__pyx_t_13) {
/* … */
}
+0632: talus = get_soil_talus(terrain[x][y].subsoil, vegetation[x][y]) * 1.25
__pyx_t_11 = __pyx_v_x;
__pyx_t_12 = __pyx_v_y;
if (__pyx_t_11 < 0) __pyx_t_11 += __pyx_v_vegetation.shape[0];
if (__pyx_t_12 < 0) __pyx_t_12 += __pyx_v_vegetation.shape[1];
__pyx_v_talus = (__pyx_f_6eroder_get_soil_talus(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil, (*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_11 * __pyx_v_vegetation.strides[0]) ) + __pyx_t_12 * __pyx_v_vegetation.strides[1]) )))) * 1.25);
0633:
0634:
0635:
0636: # which neighbors will get a piece of our terrain
+0637: soil = terrain[x][y].topsoil
__pyx_t_14 = ((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil;
__pyx_v_soil = __pyx_t_14;
+0638: for i in range(2):
for (__pyx_t_9 = 0; __pyx_t_9 < 2; __pyx_t_9+=1) {
__pyx_v_i = __pyx_t_9;
0639:
+0640: delta_h_sum = 0.0
__pyx_v_delta_h_sum = 0.0;
+0641: max_delta = 0.0
__pyx_v_max_delta = 0.0;
0642:
+0643: if get_soil_height(soil) > 0.0:
__pyx_t_13 = (__pyx_f_6eroder_get_soil_height(__pyx_v_soil) > 0.0);
if (__pyx_t_13) {
/* … */
}
+0644: neighbors_delta_height = [[0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0]]
__pyx_t_15[0] = 0.0;
__pyx_t_15[1] = 0.0;
__pyx_t_15[2] = 0.0;
__pyx_t_16[0] = 0.0;
__pyx_t_16[1] = 0.0;
__pyx_t_16[2] = 0.0;
__pyx_t_17[0] = 0.0;
__pyx_t_17[1] = 0.0;
__pyx_t_17[2] = 0.0;
memcpy(&(__pyx_t_18[0]), __pyx_t_15, sizeof(__pyx_t_18[0]));
memcpy(&(__pyx_t_18[1]), __pyx_t_16, sizeof(__pyx_t_18[0]));
memcpy(&(__pyx_t_18[2]), __pyx_t_17, sizeof(__pyx_t_18[0]));
memcpy(&(__pyx_v_neighbors_delta_height[0]), __pyx_t_18, sizeof(__pyx_v_neighbors_delta_height[0]) * (3));
+0645: for si in range(-1, 2):
for (__pyx_t_10 = -1; __pyx_t_10 < 2; __pyx_t_10+=1) {
__pyx_v_si = __pyx_t_10;
+0646: for sj in range(-1, 2):
for (__pyx_t_19 = -1; __pyx_t_19 < 2; __pyx_t_19+=1) {
__pyx_v_sj = __pyx_t_19;
+0647: if si != 0 or sj != 0:
__pyx_t_20 = (__pyx_v_si != 0);
if (!__pyx_t_20) {
} else {
__pyx_t_13 = __pyx_t_20;
goto __pyx_L26_bool_binop_done;
}
__pyx_t_20 = (__pyx_v_sj != 0);
__pyx_t_13 = __pyx_t_20;
__pyx_L26_bool_binop_done:;
if (__pyx_t_13) {
/* … */
}
}
}
+0648: delta = heightmap[x][y] - heightmap[mod(x + si, size_x)][mod(y + sj, size_y)]
__pyx_t_12 = __pyx_v_x;
__pyx_t_11 = __pyx_v_y;
if (__pyx_t_12 < 0) __pyx_t_12 += __pyx_v_heightmap.shape[0];
if (__pyx_t_11 < 0) __pyx_t_11 += __pyx_v_heightmap.shape[1];
__pyx_t_21 = __pyx_f_6eroder_mod((__pyx_v_x + __pyx_v_si), __pyx_v_size_x); if (unlikely(__pyx_t_21 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 648, __pyx_L1_error)
__pyx_t_22 = __pyx_f_6eroder_mod((__pyx_v_y + __pyx_v_sj), __pyx_v_size_y); if (unlikely(__pyx_t_22 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 648, __pyx_L1_error)
__pyx_t_23 = __pyx_t_21;
__pyx_t_24 = __pyx_t_22;
__pyx_v_delta = ((*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_12 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_11 * __pyx_v_heightmap.strides[1]) ))) - (*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_23 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_24 * __pyx_v_heightmap.strides[1]) ))));
0649:
0650: # if should erode
+0651: if delta / (length * sqrt(si**2 + sj**2)) >= talus:
__pyx_t_13 = ((__pyx_v_delta / (__pyx_v_6eroder_length * sqrt((__Pyx_pow_long(((long)__pyx_v_si), 2) + __Pyx_pow_long(((long)__pyx_v_sj), 2))))) >= __pyx_v_talus);
if (__pyx_t_13) {
/* … */
}
0652: # largest difference
+0653: if delta > max_delta:
__pyx_t_13 = (__pyx_v_delta > __pyx_v_max_delta);
if (__pyx_t_13) {
/* … */
}
+0654: max_delta = delta
__pyx_v_max_delta = __pyx_v_delta;
0655:
0656: # save for later reference
+0657: neighbors_delta_height[si + 1][sj + 1] = delta
((__pyx_v_neighbors_delta_height[(__pyx_v_si + 1)])[(__pyx_v_sj + 1)]) = __pyx_v_delta;
+0658: delta_h_sum += delta
__pyx_v_delta_h_sum = (__pyx_v_delta_h_sum + __pyx_v_delta);
0659:
0660:
+0661: to_distribute = min(0.5 * max_delta * random(0.9, 1.0), get_soil_height(soil))
__pyx_t_25 = __pyx_f_6eroder_get_soil_height(__pyx_v_soil);
__pyx_t_27.__pyx_n = 2;
__pyx_t_27.low = 0.9;
__pyx_t_27.high = 1.0;
__pyx_t_26 = __pyx_f_6eroder_random(&__pyx_t_27); if (unlikely(__pyx_t_26 == ((double)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 661, __pyx_L1_error)
__pyx_t_28 = ((0.5 * __pyx_v_max_delta) * __pyx_t_26);
__pyx_t_13 = (__pyx_t_25 < __pyx_t_28);
if (__pyx_t_13) {
__pyx_t_26 = __pyx_t_25;
} else {
__pyx_t_26 = __pyx_t_28;
}
__pyx_v_to_distribute = __pyx_t_26;
0662:
+0663: height_fraction = to_distribute / get_soil_height(soil)
__pyx_v_height_fraction = (__pyx_v_to_distribute / __pyx_f_6eroder_get_soil_height(__pyx_v_soil));
0664:
0665: # how much will flow OUT of this cell later
0666: # misusing this array
+0667: heightmap2[x][y] = to_distribute
((__pyx_v_heightmap2[__pyx_v_x])[__pyx_v_y]) = __pyx_v_to_distribute;
0668:
0669: # assign flows
+0670: if delta_h_sum > 0:
__pyx_t_13 = (__pyx_v_delta_h_sum > 0.0);
if (__pyx_t_13) {
/* … */
}
+0671: for si in range(-1, 2):
for (__pyx_t_10 = -1; __pyx_t_10 < 2; __pyx_t_10+=1) {
__pyx_v_si = __pyx_t_10;
+0672: for sj in range(-1, 2):
for (__pyx_t_19 = -1; __pyx_t_19 < 2; __pyx_t_19+=1) {
__pyx_v_sj = __pyx_t_19;
+0673: if si != 0 or sj != 0:
__pyx_t_20 = (__pyx_v_si != 0);
if (!__pyx_t_20) {
} else {
__pyx_t_13 = __pyx_t_20;
goto __pyx_L36_bool_binop_done;
}
__pyx_t_20 = (__pyx_v_sj != 0);
__pyx_t_13 = __pyx_t_20;
__pyx_L36_bool_binop_done:;
if (__pyx_t_13) {
/* … */
}
}
}
+0674: fraction = height_fraction * neighbors_delta_height[si + 1][sj + 1] / delta_h_sum
__pyx_v_fraction = ((__pyx_v_height_fraction * ((__pyx_v_neighbors_delta_height[(__pyx_v_si + 1)])[(__pyx_v_sj + 1)])) / __pyx_v_delta_h_sum);
+0675: soil_flow[x][y][si + 1][sj + 1] = soil_fraction(soil, fraction)
((((__pyx_v_soil_flow[__pyx_v_x])[__pyx_v_y])[(__pyx_v_si + 1)])[(__pyx_v_sj + 1)]) = __pyx_f_6eroder_soil_fraction(__pyx_v_soil, __pyx_v_fraction);
0676:
0677: # erode only the topsoil
+0678: break
goto __pyx_L19_break;
0679: else:
+0680: soil = terrain[x][y].subsoil
/*else*/ {
__pyx_t_14 = ((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil;
__pyx_v_soil = __pyx_t_14;
}
}
__pyx_L19_break:;
0681:
0682:
0683: # BEDROCK only if there is nothing above us
+0684: if get_soil_height(terrain[x][y].topsoil) + get_soil_height(terrain[x][y].subsoil) <= 0.0:
__pyx_t_13 = ((__pyx_f_6eroder_get_soil_height(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil) + __pyx_f_6eroder_get_soil_height(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil)) <= 0.0);
if (__pyx_t_13) {
/* … */
}
}
}
+0685: talus = infinity
__pyx_v_talus = __pyx_v_6eroder_infinity;
+0686: for i in range(terrain[x][y].bedrock.size()):
__pyx_t_29 = ((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock.size();
__pyx_t_30 = __pyx_t_29;
for (__pyx_t_9 = 0; __pyx_t_9 < __pyx_t_30; __pyx_t_9+=1) {
__pyx_v_i = __pyx_t_9;
+0687: if bedrock_taluses[terrain[x][y].bedrock[i].type] < talus and terrain[x][y].bedrock[i].height > 0.0:
__pyx_t_20 = ((__pyx_v_6eroder_bedrock_taluses[(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock[__pyx_v_i]).type]) < __pyx_v_talus);
if (__pyx_t_20) {
} else {
__pyx_t_13 = __pyx_t_20;
goto __pyx_L42_bool_binop_done;
}
__pyx_t_20 = ((((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock[__pyx_v_i]).height > 0.0);
__pyx_t_13 = __pyx_t_20;
__pyx_L42_bool_binop_done:;
if (__pyx_t_13) {
/* … */
}
}
+0688: talus = bedrock_taluses[terrain[x][y].bedrock[i].type]
__pyx_v_talus = (__pyx_v_6eroder_bedrock_taluses[(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock[__pyx_v_i]).type]);
0689:
+0690: delta_h_sum = 0.0
__pyx_v_delta_h_sum = 0.0;
+0691: max_delta = 0.0
__pyx_v_max_delta = 0.0;
0692:
0693: # first nonempty
+0694: index = 0
__pyx_v_index = 0;
+0695: while terrain[x][y].bedrock[index].height <= 0.0:
while (1) {
__pyx_t_13 = ((((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock[__pyx_v_index]).height <= 0.0);
if (!__pyx_t_13) break;
+0696: index += 1
__pyx_v_index = (__pyx_v_index + 1);
}
0697:
0698:
+0699: neighbors_delta_height = [[0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0]]
__pyx_t_31[0] = 0.0;
__pyx_t_31[1] = 0.0;
__pyx_t_31[2] = 0.0;
__pyx_t_32[0] = 0.0;
__pyx_t_32[1] = 0.0;
__pyx_t_32[2] = 0.0;
__pyx_t_33[0] = 0.0;
__pyx_t_33[1] = 0.0;
__pyx_t_33[2] = 0.0;
memcpy(&(__pyx_t_34[0]), __pyx_t_31, sizeof(__pyx_t_34[0]));
memcpy(&(__pyx_t_34[1]), __pyx_t_32, sizeof(__pyx_t_34[0]));
memcpy(&(__pyx_t_34[2]), __pyx_t_33, sizeof(__pyx_t_34[0]));
memcpy(&(__pyx_v_neighbors_delta_height[0]), __pyx_t_34, sizeof(__pyx_v_neighbors_delta_height[0]) * (3));
+0700: for si in range(-1, 2):
for (__pyx_t_9 = -1; __pyx_t_9 < 2; __pyx_t_9+=1) {
__pyx_v_si = __pyx_t_9;
+0701: for sj in range(-1, 2):
for (__pyx_t_10 = -1; __pyx_t_10 < 2; __pyx_t_10+=1) {
__pyx_v_sj = __pyx_t_10;
+0702: if si != 0 or sj != 0:
__pyx_t_20 = (__pyx_v_si != 0);
if (!__pyx_t_20) {
} else {
__pyx_t_13 = __pyx_t_20;
goto __pyx_L51_bool_binop_done;
}
__pyx_t_20 = (__pyx_v_sj != 0);
__pyx_t_13 = __pyx_t_20;
__pyx_L51_bool_binop_done:;
if (__pyx_t_13) {
/* … */
}
}
}
+0703: delta = heightmap[x][y] - heightmap[mod(x + si, size_x)][mod(y + sj, size_y)]
__pyx_t_11 = __pyx_v_x;
__pyx_t_12 = __pyx_v_y;
if (__pyx_t_11 < 0) __pyx_t_11 += __pyx_v_heightmap.shape[0];
if (__pyx_t_12 < 0) __pyx_t_12 += __pyx_v_heightmap.shape[1];
__pyx_t_22 = __pyx_f_6eroder_mod((__pyx_v_x + __pyx_v_si), __pyx_v_size_x); if (unlikely(__pyx_t_22 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 703, __pyx_L1_error)
__pyx_t_21 = __pyx_f_6eroder_mod((__pyx_v_y + __pyx_v_sj), __pyx_v_size_y); if (unlikely(__pyx_t_21 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 703, __pyx_L1_error)
__pyx_t_24 = __pyx_t_22;
__pyx_t_23 = __pyx_t_21;
__pyx_v_delta = ((*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_11 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_12 * __pyx_v_heightmap.strides[1]) ))) - (*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_24 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_23 * __pyx_v_heightmap.strides[1]) ))));
0704:
0705: # if should erode
+0706: if delta / (length * sqrt(si**2 + sj**2)) >= talus:
__pyx_t_13 = ((__pyx_v_delta / (__pyx_v_6eroder_length * sqrt((__Pyx_pow_long(((long)__pyx_v_si), 2) + __Pyx_pow_long(((long)__pyx_v_sj), 2))))) >= __pyx_v_talus);
if (__pyx_t_13) {
/* … */
}
0707: # largest difference
+0708: if delta > max_delta:
__pyx_t_13 = (__pyx_v_delta > __pyx_v_max_delta);
if (__pyx_t_13) {
/* … */
}
+0709: max_delta = delta
__pyx_v_max_delta = __pyx_v_delta;
0710:
0711: # save for later reference
+0712: neighbors_delta_height[si + 1][sj + 1] = delta
((__pyx_v_neighbors_delta_height[(__pyx_v_si + 1)])[(__pyx_v_sj + 1)]) = __pyx_v_delta;
+0713: delta_h_sum += delta
__pyx_v_delta_h_sum = (__pyx_v_delta_h_sum + __pyx_v_delta);
0714:
0715:
+0716: to_distribute = min(0.5 * max_delta * random(0.9, 1.0), terrain[x][y].bedrock[index].height)
__pyx_t_26 = (((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock[__pyx_v_index]).height;
__pyx_t_27.__pyx_n = 2;
__pyx_t_27.low = 0.9;
__pyx_t_27.high = 1.0;
__pyx_t_25 = __pyx_f_6eroder_random(&__pyx_t_27); if (unlikely(__pyx_t_25 == ((double)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 716, __pyx_L1_error)
__pyx_t_28 = ((0.5 * __pyx_v_max_delta) * __pyx_t_25);
__pyx_t_13 = (__pyx_t_26 < __pyx_t_28);
if (__pyx_t_13) {
__pyx_t_25 = __pyx_t_26;
} else {
__pyx_t_25 = __pyx_t_28;
}
__pyx_v_to_distribute = __pyx_t_25;
0717:
0718: # how much will flow OUT of this cell later
0719: # misusing this array
+0720: heightmap2[x][y] = to_distribute
((__pyx_v_heightmap2[__pyx_v_x])[__pyx_v_y]) = __pyx_v_to_distribute;
0721:
0722: # assign flows
+0723: if delta_h_sum > 0:
__pyx_t_13 = (__pyx_v_delta_h_sum > 0.0);
if (__pyx_t_13) {
/* … */
}
+0724: for si in range(-1, 2):
for (__pyx_t_9 = -1; __pyx_t_9 < 2; __pyx_t_9+=1) {
__pyx_v_si = __pyx_t_9;
+0725: for sj in range(-1, 2):
for (__pyx_t_10 = -1; __pyx_t_10 < 2; __pyx_t_10+=1) {
__pyx_v_sj = __pyx_t_10;
+0726: if si != 0 or sj != 0:
__pyx_t_20 = (__pyx_v_si != 0);
if (!__pyx_t_20) {
} else {
__pyx_t_13 = __pyx_t_20;
goto __pyx_L61_bool_binop_done;
}
__pyx_t_20 = (__pyx_v_sj != 0);
__pyx_t_13 = __pyx_t_20;
__pyx_L61_bool_binop_done:;
if (__pyx_t_13) {
/* … */
}
}
}
+0727: part = to_distribute * neighbors_delta_height[si + 1][sj + 1] / delta_h_sum
__pyx_v_part = ((__pyx_v_to_distribute * ((__pyx_v_neighbors_delta_height[(__pyx_v_si + 1)])[(__pyx_v_sj + 1)])) / __pyx_v_delta_h_sum);
+0728: soil_flow[x][y][si + 1][sj + 1] = new_soil_from_bedrock_type(index, part)
((((__pyx_v_soil_flow[__pyx_v_x])[__pyx_v_y])[(__pyx_v_si + 1)])[(__pyx_v_sj + 1)]) = __pyx_f_6eroder_new_soil_from_bedrock_type(__pyx_v_index, __pyx_v_part);
0729:
0730:
0731: # assign flows
+0732: for x in range(size_x):
__pyx_t_1 = __pyx_v_size_x;
__pyx_t_2 = __pyx_t_1;
for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
__pyx_v_x = __pyx_t_3;
+0733: for y in range(size_y):
__pyx_t_6 = __pyx_v_size_y;
__pyx_t_7 = __pyx_t_6;
for (__pyx_t_8 = 0; __pyx_t_8 < __pyx_t_7; __pyx_t_8+=1) {
__pyx_v_y = __pyx_t_8;
0734: # remove soil from this column
+0735: remove_soil(terrain[x][y], heightmap2[x][y])
__pyx_f_6eroder_remove_soil(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]), ((__pyx_v_heightmap2[__pyx_v_x])[__pyx_v_y]));
+0736: heightmap[x][y] -= heightmap2[x][y]
__pyx_t_12 = __pyx_v_x;
__pyx_t_11 = __pyx_v_y;
if (__pyx_t_12 < 0) __pyx_t_12 += __pyx_v_heightmap.shape[0];
if (__pyx_t_11 < 0) __pyx_t_11 += __pyx_v_heightmap.shape[1];
*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_12 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_11 * __pyx_v_heightmap.strides[1]) )) -= ((__pyx_v_heightmap2[__pyx_v_x])[__pyx_v_y]);
0737:
0738: # kills vegetation
+0739: if heightmap2[x][y] > 0.0:
__pyx_t_13 = (((__pyx_v_heightmap2[__pyx_v_x])[__pyx_v_y]) > 0.0);
if (__pyx_t_13) {
/* … */
}
+0740: vegetation[x][y] = 0.0
__pyx_t_11 = __pyx_v_x;
__pyx_t_12 = __pyx_v_y;
if (__pyx_t_11 < 0) __pyx_t_11 += __pyx_v_vegetation.shape[0];
if (__pyx_t_12 < 0) __pyx_t_12 += __pyx_v_vegetation.shape[1];
*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_11 * __pyx_v_vegetation.strides[0]) ) + __pyx_t_12 * __pyx_v_vegetation.strides[1]) )) = 0.0;
0741:
0742: # deposit soil from neighbors
+0743: for si in range(-1, 2):
for (__pyx_t_9 = -1; __pyx_t_9 < 2; __pyx_t_9+=1) {
__pyx_v_si = __pyx_t_9;
+0744: for sj in range(-1, 2):
for (__pyx_t_10 = -1; __pyx_t_10 < 2; __pyx_t_10+=1) {
__pyx_v_sj = __pyx_t_10;
+0745: if si != 0 or sj != 0:
__pyx_t_20 = (__pyx_v_si != 0);
if (!__pyx_t_20) {
} else {
__pyx_t_13 = __pyx_t_20;
goto __pyx_L73_bool_binop_done;
}
__pyx_t_20 = (__pyx_v_sj != 0);
__pyx_t_13 = __pyx_t_20;
__pyx_L73_bool_binop_done:;
if (__pyx_t_13) {
/* … */
}
}
}
}
}
+0746: deposit_soil(terrain[x][y], soil_flow[mod(x + si, size_x)][mod(y + sj, size_y)][1 - si][1 - sj])
__pyx_t_21 = __pyx_f_6eroder_mod((__pyx_v_x + __pyx_v_si), __pyx_v_size_x); if (unlikely(__pyx_t_21 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 746, __pyx_L1_error) __pyx_t_22 = __pyx_f_6eroder_mod((__pyx_v_y + __pyx_v_sj), __pyx_v_size_y); if (unlikely(__pyx_t_22 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 746, __pyx_L1_error) __pyx_f_6eroder_deposit_soil(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]), ((((__pyx_v_soil_flow[__pyx_t_21])[__pyx_t_22])[(1 - __pyx_v_si)])[(1 - __pyx_v_sj)]));
+0747: soil_height = get_soil_height(soil_flow[mod(x + si, size_x)][mod(y + sj, size_y)][1 - si][1 - sj])
__pyx_t_22 = __pyx_f_6eroder_mod((__pyx_v_x + __pyx_v_si), __pyx_v_size_x); if (unlikely(__pyx_t_22 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 747, __pyx_L1_error) __pyx_t_21 = __pyx_f_6eroder_mod((__pyx_v_y + __pyx_v_sj), __pyx_v_size_y); if (unlikely(__pyx_t_21 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 747, __pyx_L1_error) __pyx_v_soil_height = __pyx_f_6eroder_get_soil_height(((((__pyx_v_soil_flow[__pyx_t_22])[__pyx_t_21])[(1 - __pyx_v_si)])[(1 - __pyx_v_sj)]));
+0748: heightmap[x][y] += soil_height
__pyx_t_12 = __pyx_v_x;
__pyx_t_11 = __pyx_v_y;
if (__pyx_t_12 < 0) __pyx_t_12 += __pyx_v_heightmap.shape[0];
if (__pyx_t_11 < 0) __pyx_t_11 += __pyx_v_heightmap.shape[1];
*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_12 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_11 * __pyx_v_heightmap.strides[1]) )) += __pyx_v_soil_height;
0749:
0750: # kills vegetation
+0751: if soil_height > 0.0:
__pyx_t_13 = (__pyx_v_soil_height > 0.0);
if (__pyx_t_13) {
/* … */
}
+0752: vegetation[x][y] = 0.0
__pyx_t_11 = __pyx_v_x;
__pyx_t_12 = __pyx_v_y;
if (__pyx_t_11 < 0) __pyx_t_11 += __pyx_v_vegetation.shape[0];
if (__pyx_t_12 < 0) __pyx_t_12 += __pyx_v_vegetation.shape[1];
*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_11 * __pyx_v_vegetation.strides[0]) ) + __pyx_t_12 * __pyx_v_vegetation.strides[1]) )) = 0.0;
0753:
0754:
0755: # this function exists because it some-fricking-how interfered with Gravitational erosion and I couldn't find a fix
0756: # MODIFIES ARGUMENTS
+0757: cdef void downhill_creep(int size_x, int size_y, double delta_t, double downhill_creep_constant, vector[vector[Horizon]]& terrain, double[:, :]& heightmap) noexcept nogil:
static void __pyx_f_6eroder_downhill_creep(int __pyx_v_size_x, int __pyx_v_size_y, double __pyx_v_delta_t, double __pyx_v_downhill_creep_constant, std::vector<std::vector<struct __pyx_t_6eroder_Horizon> > &__pyx_v_terrain, __Pyx_memviewslice &__pyx_v_heightmap) {
std::vector<std::vector<std::vector<std::vector<struct __pyx_t_6eroder_Soil> > > > __pyx_v_soil_flow;
std::vector<std::vector<double> > __pyx_v_heightmap2;
int __pyx_v_x;
int __pyx_v_y;
int __pyx_v_si;
int __pyx_v_sj;
double __pyx_v_fraction;
double __pyx_v_total_quantity;
double __pyx_v_slope;
double __pyx_v_denominator;
double __pyx_v_q;
double __pyx_v_to_distribute;
double __pyx_v_height_fraction;
struct __pyx_t_6eroder_Soil __pyx_v_soil;
double __pyx_v_neighbors_quantity[3][3];
CYTHON_UNUSED long __pyx_v_i;
/* … */
/* function exit code */
goto __pyx_L0;
__pyx_L1_error:;
#ifdef WITH_THREAD
__pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_WriteUnraisable("eroder.downhill_creep", __pyx_clineno, __pyx_lineno, __pyx_filename, 1, 0);
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__pyx_L0:;
}
0758: cdef vector[vector[vector[vector[Soil]]]] soil_flow
0759: cdef vector[vector[double]] heightmap2
0760: cdef int x, y, si, sj
0761: cdef double fraction, total_quantity, slope, denominator, q, to_distribute, height_fraction
0762: cdef Soil soil
0763: cdef double[3][3] neighbors_quantity
0764:
+0765: heightmap2.resize(size_x)
try {
__pyx_v_heightmap2.resize(__pyx_v_size_x);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 765, __pyx_L1_error)
}
+0766: soil_flow.resize(size_x)
try {
__pyx_v_soil_flow.resize(__pyx_v_size_x);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 766, __pyx_L1_error)
}
0767:
+0768: for x in range(size_x):
__pyx_t_1 = __pyx_v_size_x;
__pyx_t_2 = __pyx_t_1;
for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
__pyx_v_x = __pyx_t_3;
+0769: heightmap2.at(x).resize(size_y, 0.0)
try {
__pyx_t_4 = __pyx_v_heightmap2.at(__pyx_v_x);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 769, __pyx_L1_error)
}
try {
__pyx_t_4->resize(__pyx_v_size_y, 0.0);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 769, __pyx_L1_error)
}
+0770: soil_flow.at(x).resize(size_y)
try {
__pyx_t_5 = __pyx_v_soil_flow.at(__pyx_v_x);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 770, __pyx_L1_error)
}
try {
__pyx_t_5->resize(__pyx_v_size_y);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 770, __pyx_L1_error)
}
+0771: for y in range(size_y):
__pyx_t_6 = __pyx_v_size_y;
__pyx_t_7 = __pyx_t_6;
for (__pyx_t_8 = 0; __pyx_t_8 < __pyx_t_7; __pyx_t_8+=1) {
__pyx_v_y = __pyx_t_8;
+0772: soil_flow[x][y].resize(3)
try {
((__pyx_v_soil_flow[__pyx_v_x])[__pyx_v_y]).resize(3);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 772, __pyx_L1_error)
}
+0773: for si in range(3):
for (__pyx_t_9 = 0; __pyx_t_9 < 3; __pyx_t_9+=1) {
__pyx_v_si = __pyx_t_9;
+0774: soil_flow[x][y][si].resize(3, EMPTY_SOIL)
try {
(((__pyx_v_soil_flow[__pyx_v_x])[__pyx_v_y])[__pyx_v_si]).resize(3, __pyx_v_6eroder_EMPTY_SOIL);
} catch(...) {
#ifdef WITH_THREAD
PyGILState_STATE __pyx_gilstate_save = __Pyx_PyGILState_Ensure();
#endif
__Pyx_CppExn2PyErr();
#ifdef WITH_THREAD
__Pyx_PyGILState_Release(__pyx_gilstate_save);
#endif
__PYX_ERR(0, 774, __pyx_L1_error)
}
}
}
}
0775:
0776:
+0777: for x in range(size_x):
__pyx_t_1 = __pyx_v_size_x;
__pyx_t_2 = __pyx_t_1;
for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
__pyx_v_x = __pyx_t_3;
+0778: for y in range(size_y):
__pyx_t_6 = __pyx_v_size_y;
__pyx_t_7 = __pyx_t_6;
for (__pyx_t_8 = 0; __pyx_t_8 < __pyx_t_7; __pyx_t_8+=1) {
__pyx_v_y = __pyx_t_8;
0779: # clear flows
+0780: heightmap2[x][y] = 0.0
((__pyx_v_heightmap2[__pyx_v_x])[__pyx_v_y]) = 0.0;
+0781: for si in range(-1, 2):
for (__pyx_t_9 = -1; __pyx_t_9 < 2; __pyx_t_9+=1) {
__pyx_v_si = __pyx_t_9;
+0782: for sj in range(-1, 2):
for (__pyx_t_10 = -1; __pyx_t_10 < 2; __pyx_t_10+=1) {
__pyx_v_sj = __pyx_t_10;
+0783: soil_flow[x][y][si + 1][sj + 1] = EMPTY_SOIL
((((__pyx_v_soil_flow[__pyx_v_x])[__pyx_v_y])[(__pyx_v_si + 1)])[(__pyx_v_sj + 1)]) = __pyx_v_6eroder_EMPTY_SOIL;
}
}
0784:
0785: # which neighbors will get a piece of our terrain
+0786: soil = terrain[x][y].topsoil
__pyx_t_11 = ((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil;
__pyx_v_soil = __pyx_t_11;
+0787: for i in range(2):
for (__pyx_t_12 = 0; __pyx_t_12 < 2; __pyx_t_12+=1) {
__pyx_v_i = __pyx_t_12;
0788:
+0789: total_quantity = 0.0
__pyx_v_total_quantity = 0.0;
0790:
+0791: if get_soil_height(soil) > 0.0:
__pyx_t_13 = (__pyx_f_6eroder_get_soil_height(__pyx_v_soil) > 0.0);
if (__pyx_t_13) {
/* … */
}
+0792: neighbors_quantity = [[0.0, 0.0, 0.0], [0.0, 0.0, 0.0], [0.0, 0.0, 0.0]]
__pyx_t_14[0] = 0.0;
__pyx_t_14[1] = 0.0;
__pyx_t_14[2] = 0.0;
__pyx_t_15[0] = 0.0;
__pyx_t_15[1] = 0.0;
__pyx_t_15[2] = 0.0;
__pyx_t_16[0] = 0.0;
__pyx_t_16[1] = 0.0;
__pyx_t_16[2] = 0.0;
memcpy(&(__pyx_t_17[0]), __pyx_t_14, sizeof(__pyx_t_17[0]));
memcpy(&(__pyx_t_17[1]), __pyx_t_15, sizeof(__pyx_t_17[0]));
memcpy(&(__pyx_t_17[2]), __pyx_t_16, sizeof(__pyx_t_17[0]));
memcpy(&(__pyx_v_neighbors_quantity[0]), __pyx_t_17, sizeof(__pyx_v_neighbors_quantity[0]) * (3));
+0793: for si in range(-1, 2):
for (__pyx_t_9 = -1; __pyx_t_9 < 2; __pyx_t_9+=1) {
__pyx_v_si = __pyx_t_9;
+0794: for sj in range(-1, 2):
for (__pyx_t_10 = -1; __pyx_t_10 < 2; __pyx_t_10+=1) {
__pyx_v_sj = __pyx_t_10;
+0795: if si != 0 or sj != 0:
__pyx_t_18 = (__pyx_v_si != 0);
if (!__pyx_t_18) {
} else {
__pyx_t_13 = __pyx_t_18;
goto __pyx_L25_bool_binop_done;
}
__pyx_t_18 = (__pyx_v_sj != 0);
__pyx_t_13 = __pyx_t_18;
__pyx_L25_bool_binop_done:;
if (__pyx_t_13) {
/* … */
}
}
}
+0796: slope = heightmap[x][y] - heightmap[mod(x + si, size_x)][mod(y + sj, size_y)]
__pyx_t_19 = __pyx_v_x;
__pyx_t_20 = __pyx_v_y;
if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_v_heightmap.shape[0];
if (__pyx_t_20 < 0) __pyx_t_20 += __pyx_v_heightmap.shape[1];
__pyx_t_21 = __pyx_f_6eroder_mod((__pyx_v_x + __pyx_v_si), __pyx_v_size_x); if (unlikely(__pyx_t_21 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 796, __pyx_L1_error)
__pyx_t_22 = __pyx_f_6eroder_mod((__pyx_v_y + __pyx_v_sj), __pyx_v_size_y); if (unlikely(__pyx_t_22 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 796, __pyx_L1_error)
__pyx_t_23 = __pyx_t_21;
__pyx_t_24 = __pyx_t_22;
__pyx_v_slope = ((*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_19 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_20 * __pyx_v_heightmap.strides[1]) ))) - (*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_23 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_24 * __pyx_v_heightmap.strides[1]) ))));
+0797: if slope > 0.0:
__pyx_t_13 = (__pyx_v_slope > 0.0);
if (__pyx_t_13) {
/* … */
}
+0798: if si != 0 and sj != 0:
__pyx_t_18 = (__pyx_v_si != 0);
if (__pyx_t_18) {
} else {
__pyx_t_13 = __pyx_t_18;
goto __pyx_L29_bool_binop_done;
}
__pyx_t_18 = (__pyx_v_sj != 0);
__pyx_t_13 = __pyx_t_18;
__pyx_L29_bool_binop_done:;
if (__pyx_t_13) {
/* … */
goto __pyx_L28;
}
+0799: slope /= sqrt(2) * length
__pyx_v_slope = (__pyx_v_slope / (sqrt(2.0) * __pyx_v_6eroder_length));
0800: else:
+0801: slope /= length
/*else*/ {
__pyx_v_slope = (__pyx_v_slope / __pyx_v_6eroder_length);
}
__pyx_L28:;
0802:
+0803: denominator = 1 - (slope / critical_slope)**2
__pyx_v_denominator = (1.0 - pow((__pyx_v_slope / __pyx_v_6eroder_critical_slope), 2.0));
0804:
0805: # if it's less than 0 it's too steep, should've gotten eroded by gravitational erosion anyway
+0806: denominator = max(denominator, MAX_CREEP_DENOMINATOR)
__pyx_t_25 = __pyx_v_6eroder_MAX_CREEP_DENOMINATOR;
__pyx_t_26 = __pyx_v_denominator;
__pyx_t_13 = (__pyx_t_25 > __pyx_t_26);
if (__pyx_t_13) {
__pyx_t_27 = __pyx_t_25;
} else {
__pyx_t_27 = __pyx_t_26;
}
__pyx_v_denominator = __pyx_t_27;
0807:
+0808: q = downhill_creep_constant * slope / denominator
__pyx_v_q = ((__pyx_v_downhill_creep_constant * __pyx_v_slope) / __pyx_v_denominator);
0809:
0810: # save for later reference
+0811: neighbors_quantity[si + 1][sj + 1] = q
((__pyx_v_neighbors_quantity[(__pyx_v_si + 1)])[(__pyx_v_sj + 1)]) = __pyx_v_q;
+0812: total_quantity += q
__pyx_v_total_quantity = (__pyx_v_total_quantity + __pyx_v_q);
0813:
+0814: to_distribute = min(delta_t * 0.5 * total_quantity * soil.organic / get_soil_height(soil), get_soil_height(soil))
__pyx_t_27 = __pyx_f_6eroder_get_soil_height(__pyx_v_soil);
__pyx_t_25 = ((((__pyx_v_delta_t * 0.5) * __pyx_v_total_quantity) * __pyx_v_soil.organic) / __pyx_f_6eroder_get_soil_height(__pyx_v_soil));
__pyx_t_13 = (__pyx_t_27 < __pyx_t_25);
if (__pyx_t_13) {
__pyx_t_26 = __pyx_t_27;
} else {
__pyx_t_26 = __pyx_t_25;
}
__pyx_v_to_distribute = __pyx_t_26;
0815:
+0816: height_fraction = to_distribute / get_soil_height(soil)
__pyx_v_height_fraction = (__pyx_v_to_distribute / __pyx_f_6eroder_get_soil_height(__pyx_v_soil));
0817:
0818: # how much will flow OUT of this cell later
0819: # misusing this array
+0820: heightmap2[x][y] = to_distribute
((__pyx_v_heightmap2[__pyx_v_x])[__pyx_v_y]) = __pyx_v_to_distribute;
0821:
0822: # assign flows
+0823: if to_distribute > 0:
__pyx_t_13 = (__pyx_v_to_distribute > 0.0);
if (__pyx_t_13) {
/* … */
}
+0824: for si in range(-1, 2):
for (__pyx_t_9 = -1; __pyx_t_9 < 2; __pyx_t_9+=1) {
__pyx_v_si = __pyx_t_9;
+0825: for sj in range(-1, 2):
for (__pyx_t_10 = -1; __pyx_t_10 < 2; __pyx_t_10+=1) {
__pyx_v_sj = __pyx_t_10;
+0826: if si != 0 or sj != 0:
__pyx_t_18 = (__pyx_v_si != 0);
if (!__pyx_t_18) {
} else {
__pyx_t_13 = __pyx_t_18;
goto __pyx_L37_bool_binop_done;
}
__pyx_t_18 = (__pyx_v_sj != 0);
__pyx_t_13 = __pyx_t_18;
__pyx_L37_bool_binop_done:;
if (__pyx_t_13) {
/* … */
}
}
}
+0827: fraction = height_fraction * neighbors_quantity[si + 1][sj + 1] / total_quantity
__pyx_v_fraction = ((__pyx_v_height_fraction * ((__pyx_v_neighbors_quantity[(__pyx_v_si + 1)])[(__pyx_v_sj + 1)])) / __pyx_v_total_quantity);
+0828: soil_flow[x][y][si + 1][sj + 1] = soil_fraction(soil, fraction)
((((__pyx_v_soil_flow[__pyx_v_x])[__pyx_v_y])[(__pyx_v_si + 1)])[(__pyx_v_sj + 1)]) = __pyx_f_6eroder_soil_fraction(__pyx_v_soil, __pyx_v_fraction);
0829:
0830: # erode only the topsoil
+0831: break
goto __pyx_L18_break;
0832: else:
+0833: soil = terrain[x][y].subsoil
/*else*/ {
__pyx_t_11 = ((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil;
__pyx_v_soil = __pyx_t_11;
}
}
__pyx_L18_break:;
}
}
0834:
0835: # assign flows
+0836: for x in range(size_x):
__pyx_t_1 = __pyx_v_size_x;
__pyx_t_2 = __pyx_t_1;
for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
__pyx_v_x = __pyx_t_3;
+0837: for y in range(size_y):
__pyx_t_6 = __pyx_v_size_y;
__pyx_t_7 = __pyx_t_6;
for (__pyx_t_8 = 0; __pyx_t_8 < __pyx_t_7; __pyx_t_8+=1) {
__pyx_v_y = __pyx_t_8;
0838: # remove soil from this column
+0839: remove_soil(terrain[x][y], heightmap2[x][y])
__pyx_f_6eroder_remove_soil(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]), ((__pyx_v_heightmap2[__pyx_v_x])[__pyx_v_y]));
+0840: heightmap[x][y] -= heightmap2[x][y]
__pyx_t_20 = __pyx_v_x;
__pyx_t_19 = __pyx_v_y;
if (__pyx_t_20 < 0) __pyx_t_20 += __pyx_v_heightmap.shape[0];
if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_v_heightmap.shape[1];
*((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_20 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_19 * __pyx_v_heightmap.strides[1]) )) -= ((__pyx_v_heightmap2[__pyx_v_x])[__pyx_v_y]);
0841:
0842: # deposit soil from neighbors
+0843: for si in range(-1, 2):
for (__pyx_t_9 = -1; __pyx_t_9 < 2; __pyx_t_9+=1) {
__pyx_v_si = __pyx_t_9;
+0844: for sj in range(-1, 2):
for (__pyx_t_10 = -1; __pyx_t_10 < 2; __pyx_t_10+=1) {
__pyx_v_sj = __pyx_t_10;
+0845: if si != 0 or sj != 0:
__pyx_t_18 = (__pyx_v_si != 0);
if (!__pyx_t_18) {
} else {
__pyx_t_13 = __pyx_t_18;
goto __pyx_L48_bool_binop_done;
}
__pyx_t_18 = (__pyx_v_sj != 0);
__pyx_t_13 = __pyx_t_18;
__pyx_L48_bool_binop_done:;
if (__pyx_t_13) {
/* … */
}
}
}
}
}
+0846: deposit_soil(terrain[x][y], soil_flow[mod(x + si, size_x)][mod(y + sj, size_y)][1 - si][1 - sj])
__pyx_t_22 = __pyx_f_6eroder_mod((__pyx_v_x + __pyx_v_si), __pyx_v_size_x); if (unlikely(__pyx_t_22 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 846, __pyx_L1_error) __pyx_t_21 = __pyx_f_6eroder_mod((__pyx_v_y + __pyx_v_sj), __pyx_v_size_y); if (unlikely(__pyx_t_21 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 846, __pyx_L1_error) __pyx_f_6eroder_deposit_soil(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]), ((((__pyx_v_soil_flow[__pyx_t_22])[__pyx_t_21])[(1 - __pyx_v_si)])[(1 - __pyx_v_sj)]));
+0847: heightmap[x][y] += get_soil_height(soil_flow[mod(x + si, size_x)][mod(y + sj, size_y)][1 - si][1 - sj])
__pyx_t_21 = __pyx_f_6eroder_mod((__pyx_v_x + __pyx_v_si), __pyx_v_size_x); if (unlikely(__pyx_t_21 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 847, __pyx_L1_error) __pyx_t_22 = __pyx_f_6eroder_mod((__pyx_v_y + __pyx_v_sj), __pyx_v_size_y); if (unlikely(__pyx_t_22 == ((unsigned int)-1) && __Pyx_ErrOccurredWithGIL())) __PYX_ERR(0, 847, __pyx_L1_error) __pyx_t_19 = __pyx_v_x; __pyx_t_20 = __pyx_v_y; if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_v_heightmap.shape[0]; if (__pyx_t_20 < 0) __pyx_t_20 += __pyx_v_heightmap.shape[1]; *((double *) ( /* dim=1 */ (( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_19 * __pyx_v_heightmap.strides[0]) ) + __pyx_t_20 * __pyx_v_heightmap.strides[1]) )) += __pyx_f_6eroder_get_soil_height(((((__pyx_v_soil_flow[__pyx_t_21])[__pyx_t_22])[(1 - __pyx_v_si)])[(1 - __pyx_v_sj)]));
0848:
0849:
0850: ##################################################
0851: ##################################################
+0852: cpdef erode(unsigned int steps, double delta_t, double erosion_constant, double max_penetration_depth, double inertial_erosion_constant, double downhill_creep_constant, double vegetation_spread_speed, double vegetation_base, double organification_speed, double soilification_speed, bint is_river, double source_height, unsigned int size_x, unsigned int size_y, list _heightmap, list _water, list _previous_water, list _sediment, list _flow, list _regolith, list _topsoil, list _subsoil, list _bedrock, list _bedrock_types, list _velocity_x, list _velocity_y, list _wet, list _vegetation):
static PyObject *__pyx_pw_6eroder_1erode(PyObject *__pyx_self,
#if CYTHON_METH_FASTCALL
PyObject *const *__pyx_args, Py_ssize_t __pyx_nargs, PyObject *__pyx_kwds
#else
PyObject *__pyx_args, PyObject *__pyx_kwds
#endif
); /*proto*/
static PyObject *__pyx_f_6eroder_erode(unsigned int __pyx_v_steps, double __pyx_v_delta_t, double __pyx_v_erosion_constant, double __pyx_v_max_penetration_depth, double __pyx_v_inertial_erosion_constant, double __pyx_v_downhill_creep_constant, double __pyx_v_vegetation_spread_speed, double __pyx_v_vegetation_base, double __pyx_v_organification_speed, double __pyx_v_soilification_speed, int __pyx_v_is_river, double __pyx_v_source_height, unsigned int __pyx_v_size_x, unsigned int __pyx_v_size_y, PyObject *__pyx_v__heightmap, PyObject *__pyx_v__water, PyObject *__pyx_v__previous_water, PyObject *__pyx_v__sediment, PyObject *__pyx_v__flow, PyObject *__pyx_v__regolith, PyObject *__pyx_v__topsoil, PyObject *__pyx_v__subsoil, PyObject *__pyx_v__bedrock, PyObject *__pyx_v__bedrock_types, PyObject *__pyx_v__velocity_x, PyObject *__pyx_v__velocity_y, PyObject *__pyx_v__wet, PyObject *__pyx_v__vegetation, CYTHON_UNUSED int __pyx_skip_dispatch) {
unsigned int __pyx_v_i;
unsigned int __pyx_v_x;
unsigned int __pyx_v_y;
int __pyx_v_si;
int __pyx_v_sj;
PyArrayObject *__pyx_v___heightmap = 0;
__Pyx_memviewslice __pyx_v_heightmap = { 0, 0, { 0 }, { 0 }, { 0 } };
PyArrayObject *__pyx_v___flow = 0;
__Pyx_memviewslice __pyx_v_flow = { 0, 0, { 0 }, { 0 }, { 0 } };
__Pyx_memviewslice __pyx_v_wet = { 0, 0, { 0 }, { 0 }, { 0 } };
__Pyx_memviewslice __pyx_v_vegetation = { 0, 0, { 0 }, { 0 }, { 0 } };
unsigned int __pyx_v_step;
CYTHON_UNUSED int __pyx_v_neighbors[4][3];
double __pyx_v_area;
int __pyx_v_delta_x[4];
int __pyx_v_delta_y[4];
std::vector<std::vector<struct __pyx_t_6eroder_Water> > __pyx_v_water;
std::vector<std::vector<struct __pyx_t_6eroder_Water> > __pyx_v_water2;
std::vector<std::vector<struct __pyx_t_6eroder_Horizon> > __pyx_v_terrain;
std::vector<std::vector<std::vector<struct __pyx_t_6eroder_Water> > > __pyx_v_water_flow;
std::vector<std::vector<std::vector<std::vector<struct __pyx_t_6eroder_Soil> > > > __pyx_v_soil_flow;
std::vector<std::vector<double> > __pyx_v_heightmap2;
std::vector<std::vector<double> > __pyx_v_vegetation2;
struct __pyx_t_6eroder_Soil __pyx_v_soil;
Py_ssize_t __pyx_v_vector_size;
time_t __pyx_v_time_start;
double __pyx_v_height_here;
PyObject *__pyx_v_acceleration = NULL;
double __pyx_v_out_volume_sum;
double __pyx_v_height_neighbor;
double __pyx_v_delta_height;
PyObject *__pyx_v_velocity_in_direction = NULL;
double __pyx_v_scaling;
double __pyx_v_column_water;
PyObject *__pyx_v_delta_v_x = NULL;
PyObject *__pyx_v_delta_v_y = NULL;
double __pyx_v_fraction;
double __pyx_v_previous;
double __pyx_v_average_height;
double __pyx_v_flow_velocity;
double __pyx_v_water_info;
PyObject *__pyx_v_sediment_capacity = NULL;
PyObject *__pyx_v_requested_amount = NULL;
PyObject *__pyx_v_amount = NULL;
long __pyx_v_rock;
PyObject *__pyx_v_velocity = NULL;
double __pyx_v_water_top;
double __pyx_v_water_bottom;
double __pyx_v_height_top;
double __pyx_v_height_bottom;
double __pyx_v_contact_top;
double __pyx_v_contact_bottom;
double __pyx_v_contact_area;
PyObject *__pyx_v_erosion_capacity = NULL;
long __pyx_v_original;
long __pyx_v_sedimented;
double __pyx_v_total_contact_volume;
double __pyx_v_max_regolith_thickness;
double __pyx_v_base;
double __pyx_v_neighbor_vegetation;
struct __pyx_t_6eroder_Soil __pyx_v_average_soil_shallow;
struct __pyx_t_6eroder_Soil __pyx_v_average_soil_deep;
double __pyx_v_rocks_shallow;
double __pyx_v_rocks_deep;
double __pyx_v_soil_conditions;
double __pyx_v_bedrock_depth;
PyObject *__pyx_v_index = NULL;
time_t __pyx_v_time_end;
int __pyx_v_neighbors_count;
double __pyx_v_height_sum;
__Pyx_memviewslice __pyx_v_texture_type = { 0, 0, { 0 }, { 0 }, { 0 } };
__Pyx_memviewslice __pyx_v_texture_organic = { 0, 0, { 0 }, { 0 }, { 0 } };
__Pyx_memviewslice __pyx_v_texture_rock0 = { 0, 0, { 0 }, { 0 }, { 0 } };
__Pyx_memviewslice __pyx_v_texture_rock1 = { 0, 0, { 0 }, { 0 }, { 0 } };
__Pyx_memviewslice __pyx_v_texture_rock2 = { 0, 0, { 0 }, { 0 }, { 0 } };
__Pyx_memviewslice __pyx_v_texture_rock3 = { 0, 0, { 0 }, { 0 }, { 0 } };
__Pyx_memviewslice __pyx_v_texture_bedrock0 = { 0, 0, { 0 }, { 0 }, { 0 } };
__Pyx_memviewslice __pyx_v_texture_bedrock1 = { 0, 0, { 0 }, { 0 }, { 0 } };
__Pyx_memviewslice __pyx_v_texture_bedrock2 = { 0, 0, { 0 }, { 0 }, { 0 } };
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int __pyx_lineno = 0;
const char *__pyx_filename = NULL;
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/* function exit code */
goto __pyx_L0;
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0853: # our universal iterators
0854: cdef unsigned int i, j, x, y
0855: cdef int si, sj
0856:
0857: # this is edited manually, I just use it to make sure that Blender loads the correct file (often doesn't)
+0858: print("eroder version = 23")
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0859:
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0867:
0868:
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0874:
0875:
0876:
0877: cdef vector[vector[Water]] water
0878: cdef vector[vector[Water]] water2
0879: cdef vector[vector[Horizon]] terrain
0880: cdef vector[vector[vector[Water]]] water_flow
0881: cdef vector[vector[vector[vector[Soil]]]] soil_flow
0882: cdef vector[vector[double]] heightmap2
0883: cdef vector[vector[double]] vegetation2
0884: """ cdef double[4] acceleration = [0.0, 0.0, 0.0, 0.0]
0885: cdef double delta_height
0886: cdef double scaling
0887: cdef double flow_velocity
0888: cdef double local_shape_factor
0889: cdef double sediment_capacity
0890: cdef double out_volume_sum
0891: cdef double[3][3] neighbors_delta_height"""
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0893:
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0904:
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__Pyx_CppExn2PyErr();
__PYX_ERR(0, 912, __pyx_L1_error)
}
try {
__pyx_t_26->resize(__pyx_v_size_y, 0.0);
} catch(...) {
__Pyx_CppExn2PyErr();
__PYX_ERR(0, 912, __pyx_L1_error)
}
+0913: for y in range(size_y):
__pyx_t_27 = __pyx_v_size_y;
__pyx_t_28 = __pyx_t_27;
for (__pyx_t_29 = 0; __pyx_t_29 < __pyx_t_28; __pyx_t_29+=1) {
__pyx_v_y = __pyx_t_29;
0914: # water
+0915: water[x][y].height = _water[x][y]
if (unlikely(__pyx_v__water == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 915, __pyx_L1_error)
}
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__water, __pyx_v_x), __pyx_v_y, unsigned int, 0, __Pyx_PyInt_From_unsigned_int, 0, 0, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 915, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 915, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height = __pyx_t_30;
+0916: if water[x][y].height < 0.0:
__pyx_t_31 = (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height < 0.0);
if (__pyx_t_31) {
/* … */
}
+0917: water[x][y].height = 0.0
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height = 0.0;
0918:
+0919: water[x][y].previous = _previous_water[x][y]
if (unlikely(__pyx_v__previous_water == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 919, __pyx_L1_error)
}
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__previous_water, __pyx_v_x), __pyx_v_y, unsigned int, 0, __Pyx_PyInt_From_unsigned_int, 0, 0, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 919, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 919, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).previous = __pyx_t_30;
0920:
+0921: water[x][y].sediment.organic = _sediment[x + size_x * y][ORGANIC]
if (unlikely(__pyx_v__sediment == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 921, __pyx_L1_error)
}
__pyx_t_32 = (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y));
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__sediment, __pyx_t_32), __pyx_v_6eroder_ORGANIC, int, 1, __Pyx_PyInt_From_int, 0, 1, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 921, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 921, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).sediment.organic = __pyx_t_30;
+0922: for i in range(4):
for (__pyx_t_32 = 0; __pyx_t_32 < 4; __pyx_t_32+=1) {
__pyx_v_i = __pyx_t_32;
+0923: water[x][y].sediment.rocks[i] = _sediment[x + size_x * y][i]
if (unlikely(__pyx_v__sediment == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 923, __pyx_L1_error)
}
__pyx_t_33 = (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y));
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__sediment, __pyx_t_33), __pyx_v_i, unsigned int, 0, __Pyx_PyInt_From_unsigned_int, 0, 0, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 923, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 923, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).sediment.rocks[__pyx_v_i]) = __pyx_t_30;
}
0924:
+0925: water[x][y].regolith.organic = _regolith[x + size_x * y][0]
if (unlikely(__pyx_v__regolith == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 925, __pyx_L1_error)
}
__pyx_t_32 = (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y));
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__regolith, __pyx_t_32), 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 925, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 925, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).regolith.organic = __pyx_t_30;
+0926: water[x][y].regolith.rocks[0] = _regolith[x + size_x * y][1]
if (unlikely(__pyx_v__regolith == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 926, __pyx_L1_error)
}
__pyx_t_32 = (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y));
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__regolith, __pyx_t_32), 1, long, 1, __Pyx_PyInt_From_long, 0, 0, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 926, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 926, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).regolith.rocks[0]) = __pyx_t_30;
+0927: for i in range(1, 4):
for (__pyx_t_32 = 1; __pyx_t_32 < 4; __pyx_t_32+=1) {
__pyx_v_i = __pyx_t_32;
+0928: water[x][y].regolith.rocks[i] = 0.0
(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).regolith.rocks[__pyx_v_i]) = 0.0;
}
0929:
+0930: water[x][y].velocity_x = _velocity_x[x][y]
if (unlikely(__pyx_v__velocity_x == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 930, __pyx_L1_error)
}
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__velocity_x, __pyx_v_x), __pyx_v_y, unsigned int, 0, __Pyx_PyInt_From_unsigned_int, 0, 0, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 930, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 930, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).velocity_x = __pyx_t_30;
+0931: water[x][y].velocity_y = _velocity_y[x][y]
if (unlikely(__pyx_v__velocity_y == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 931, __pyx_L1_error)
}
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__velocity_y, __pyx_v_x), __pyx_v_y, unsigned int, 0, __Pyx_PyInt_From_unsigned_int, 0, 0, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 931, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 931, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).velocity_y = __pyx_t_30;
0932:
0933: # soil flow
+0934: water_flow[x][y].resize(4, EMPTY_WATER)
try {
((__pyx_v_water_flow[__pyx_v_x])[__pyx_v_y]).resize(4, __pyx_v_6eroder_EMPTY_WATER);
} catch(...) {
__Pyx_CppExn2PyErr();
__PYX_ERR(0, 934, __pyx_L1_error)
}
+0935: soil_flow[x][y].resize(3)
try {
((__pyx_v_soil_flow[__pyx_v_x])[__pyx_v_y]).resize(3);
} catch(...) {
__Pyx_CppExn2PyErr();
__PYX_ERR(0, 935, __pyx_L1_error)
}
+0936: for i in range(3):
for (__pyx_t_32 = 0; __pyx_t_32 < 3; __pyx_t_32+=1) {
__pyx_v_i = __pyx_t_32;
+0937: soil_flow[x][y][i].resize(3)
try {
(((__pyx_v_soil_flow[__pyx_v_x])[__pyx_v_y])[__pyx_v_i]).resize(3);
} catch(...) {
__Pyx_CppExn2PyErr();
__PYX_ERR(0, 937, __pyx_L1_error)
}
}
0938:
0939: # init terrain
+0940: terrain[x][y].topsoil.organic = _topsoil[x + size_x * y][ORGANIC]
if (unlikely(__pyx_v__topsoil == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 940, __pyx_L1_error)
}
__pyx_t_32 = (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y));
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__topsoil, __pyx_t_32), __pyx_v_6eroder_ORGANIC, int, 1, __Pyx_PyInt_From_int, 0, 1, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 940, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 940, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil.organic = __pyx_t_30;
+0941: for i in range(4):
for (__pyx_t_32 = 0; __pyx_t_32 < 4; __pyx_t_32+=1) {
__pyx_v_i = __pyx_t_32;
+0942: terrain[x][y].topsoil.rocks[i] = _topsoil[x + size_x * y][i]
if (unlikely(__pyx_v__topsoil == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 942, __pyx_L1_error)
}
__pyx_t_33 = (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y));
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__topsoil, __pyx_t_33), __pyx_v_i, unsigned int, 0, __Pyx_PyInt_From_unsigned_int, 0, 0, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 942, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 942, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil.rocks[__pyx_v_i]) = __pyx_t_30;
}
0943:
+0944: terrain[x][y].subsoil.organic = _subsoil[x + size_x * y][ORGANIC]
if (unlikely(__pyx_v__subsoil == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 944, __pyx_L1_error)
}
__pyx_t_32 = (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y));
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__subsoil, __pyx_t_32), __pyx_v_6eroder_ORGANIC, int, 1, __Pyx_PyInt_From_int, 0, 1, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 944, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 944, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil.organic = __pyx_t_30;
+0945: for i in range(4):
for (__pyx_t_32 = 0; __pyx_t_32 < 4; __pyx_t_32+=1) {
__pyx_v_i = __pyx_t_32;
+0946: terrain[x][y].subsoil.rocks[i] = _subsoil[x + size_x * y][i]
if (unlikely(__pyx_v__subsoil == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 946, __pyx_L1_error)
}
__pyx_t_33 = (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y));
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__subsoil, __pyx_t_33), __pyx_v_i, unsigned int, 0, __Pyx_PyInt_From_unsigned_int, 0, 0, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 946, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 946, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil.rocks[__pyx_v_i]) = __pyx_t_30;
}
0947:
+0948: vector_size = len(_bedrock[x + size_x * y])
if (unlikely(__pyx_v__bedrock == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 948, __pyx_L1_error)
}
__pyx_t_32 = (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y));
__pyx_t_3 = PyList_GET_ITEM(__pyx_v__bedrock, __pyx_t_32);
__Pyx_INCREF(__pyx_t_3);
__pyx_t_34 = PyObject_Length(__pyx_t_3); if (unlikely(__pyx_t_34 == ((Py_ssize_t)-1))) __PYX_ERR(0, 948, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
__pyx_v_vector_size = __pyx_t_34;
+0949: terrain[x][y].bedrock.resize(vector_size)
try {
((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock.resize(__pyx_v_vector_size);
} catch(...) {
__Pyx_CppExn2PyErr();
__PYX_ERR(0, 949, __pyx_L1_error)
}
+0950: for i in range(vector_size):
__pyx_t_34 = __pyx_v_vector_size;
__pyx_t_35 = __pyx_t_34;
for (__pyx_t_32 = 0; __pyx_t_32 < __pyx_t_35; __pyx_t_32+=1) {
__pyx_v_i = __pyx_t_32;
+0951: terrain[x][y].bedrock[i].type = round(_bedrock_types[i])
if (unlikely(__pyx_v__bedrock_types == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 951, __pyx_L1_error)
}
__pyx_t_3 = __Pyx_PyObject_CallOneArg(__pyx_builtin_round, PyList_GET_ITEM(__pyx_v__bedrock_types, __pyx_v_i)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 951, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_36 = __Pyx_PyInt_As_int(__pyx_t_3); if (unlikely((__pyx_t_36 == (int)-1) && PyErr_Occurred())) __PYX_ERR(0, 951, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock[__pyx_v_i]).type = __pyx_t_36;
+0952: terrain[x][y].bedrock[i].height = _bedrock[x + size_x * y][i]
if (unlikely(__pyx_v__bedrock == Py_None)) {
PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
__PYX_ERR(0, 952, __pyx_L1_error)
}
__pyx_t_33 = (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y));
__pyx_t_3 = __Pyx_GetItemInt(PyList_GET_ITEM(__pyx_v__bedrock, __pyx_t_33), __pyx_v_i, unsigned int, 0, __Pyx_PyInt_From_unsigned_int, 0, 0, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 952, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 952, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock[__pyx_v_i]).height = __pyx_t_30;
}
}
}
0953:
0954: # timing
+0955: cdef time_t time_start = time(NULL)
__pyx_v_time_start = time(NULL);
0956:
+0957: for step in range(steps):
__pyx_t_17 = __pyx_v_steps;
__pyx_t_18 = __pyx_t_17;
for (__pyx_t_19 = 0; __pyx_t_19 < __pyx_t_18; __pyx_t_19+=1) {
__pyx_v_step = __pyx_t_19;
+0958: print("step no. " + str(step))
__pyx_t_3 = __Pyx_PyInt_From_unsigned_int(__pyx_v_step); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 958, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_4 = __Pyx_PyObject_Str(__pyx_t_3); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 958, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_t_3 = PyNumber_Add(__pyx_kp_u_step_no, __pyx_t_4); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 958, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; __pyx_t_4 = __Pyx_PyObject_CallOneArg(__pyx_builtin_print, __pyx_t_3); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 958, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
0959:
0960: ######################################################
0961: # RIVER MODE
0962: ######################################################
0963:
+0964: if is_river:
if (__pyx_v_is_river) {
/* … */
}
0965: # source
+0966: water[size_x / 2][size_y / 16].height = source_height
((__pyx_v_water[(((long)__pyx_v_size_x) / 2)])[(((long)__pyx_v_size_y) / 16)]).height = __pyx_v_source_height;
0967:
+0968: for x in prange(size_x, nogil=True, schedule='dynamic', chunksize=1):
{
#ifdef WITH_THREAD
PyThreadState *_save;
_save = NULL;
Py_UNBLOCK_THREADS
__Pyx_FastGIL_Remember();
#endif
/*try:*/ {
__pyx_t_27 = __pyx_v_size_x;
{
#if ((defined(__APPLE__) || defined(__OSX__)) && (defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))))
#undef likely
#undef unlikely
#define likely(x) (x)
#define unlikely(x) (x)
#endif
__pyx_t_29 = (__pyx_t_27 - 0 + 1 - 1/abs(1)) / 1;
if (__pyx_t_29 > 0)
{
#ifdef _OPENMP
#pragma omp parallel
#endif /* _OPENMP */
{
#ifdef _OPENMP
#pragma omp for firstprivate(__pyx_v_x) lastprivate(__pyx_v_x) lastprivate(__pyx_v_y) __pyx_t_27 = __pyx_v_size_x;
{
#if ((defined(__APPLE__) || defined(__OSX__)) && (defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))))
#undef likely
#undef unlikely
#define likely(x) (x)
#define unlikely(x) (x)
#endif
__pyx_t_29 = (__pyx_t_27 - 0 + 1 - 1/abs(1)) / 1;
if (__pyx_t_29 > 0)
{
#ifdef _OPENMP
#pragma omp parallel
#endif /* _OPENMP */
{
#ifdef _OPENMP
#pragma omp for firstprivate(__pyx_v_x) lastprivate(__pyx_v_x) lastprivate(__pyx_v_y) schedule(dynamic, __pyx_t_36)
#endif /* _OPENMP */
for (__pyx_t_28 = 0; __pyx_t_28 < __pyx_t_29; __pyx_t_28++){
{
__pyx_v_x = (unsigned int)(0 + 1 * __pyx_t_28);
/* Initialize private variables to invalid values */
__pyx_v_y = ((unsigned int)0xbad0bad0);
/* … */
/*finally:*/ {
/*normal exit:*/{
#ifdef WITH_THREAD
__Pyx_FastGIL_Forget();
Py_BLOCK_THREADS
#endif
goto __pyx_L27;
}
__pyx_L27:;
}
}
+0969: for y in range(15 * size_y / 16, size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = ((15 * __pyx_v_size_y) / 16); __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
+0970: water[x][y] = EMPTY_WATER
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]) = __pyx_v_6eroder_EMPTY_WATER;
}
}
}
}
}
}
#if ((defined(__APPLE__) || defined(__OSX__)) && (defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))))
#undef likely
#undef unlikely
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#endif
}
0971:
0972:
0973: ######################################################
0974: # DOWNHILL CREEP
0975: ######################################################
0976:
+0977: downhill_creep(size_x, size_y, delta_t, downhill_creep_constant, terrain, heightmap)
__pyx_f_6eroder_downhill_creep(__pyx_v_size_x, __pyx_v_size_y, __pyx_v_delta_t, __pyx_v_downhill_creep_constant, __pyx_v_terrain, ((__Pyx_memviewslice &)__pyx_v_heightmap));
0978:
0979: ######################################################
0980: # GRAVITATIONAL EROSION
0981: ######################################################
0982:
+0983: gravitational_erosion(size_x, size_y, delta_t, downhill_creep_constant, terrain, heightmap, vegetation)
__pyx_f_6eroder_gravitational_erosion(__pyx_v_size_x, __pyx_v_size_y, __pyx_v_delta_t, __pyx_v_downhill_creep_constant, __pyx_v_terrain, ((__Pyx_memviewslice &)__pyx_v_heightmap), ((__Pyx_memviewslice &)__pyx_v_vegetation));
0984:
0985: ######################################################
0986: # MOVE WATER
0987: ######################################################
0988:
+0989: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+0990: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
+0991: water2[x][y] = EMPTY_WATER
((__pyx_v_water2[__pyx_v_x])[__pyx_v_y]) = __pyx_v_6eroder_EMPTY_WATER;
+0992: for i in range(4):
for (__pyx_t_38 = 0; __pyx_t_38 < 4; __pyx_t_38+=1) {
__pyx_v_i = __pyx_t_38;
+0993: water_flow[x][y][i] = EMPTY_WATER
(((__pyx_v_water_flow[__pyx_v_x])[__pyx_v_y])[__pyx_v_i]) = __pyx_v_6eroder_EMPTY_WATER;
}
}
}
0994:
+0995: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+0996: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
+0997: if water[x][y].height > 0:
__pyx_t_31 = (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height > 0.0);
if (__pyx_t_31) {
/* … */
}
}
}
+0998: height_here = heightmap[x][y] + water[x][y].height
__pyx_t_39 = __pyx_v_x;
__pyx_t_40 = __pyx_v_y;
__pyx_v_height_here = ((*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_39 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_40)) ))) + ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height);
+0999: acceleration = [0.0, 0.0, 0.0, 0.0]
__pyx_t_4 = PyList_New(4); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 999, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __Pyx_INCREF(__pyx_float_0_0); __Pyx_GIVEREF(__pyx_float_0_0); if (__Pyx_PyList_SET_ITEM(__pyx_t_4, 0, __pyx_float_0_0)) __PYX_ERR(0, 999, __pyx_L1_error); __Pyx_INCREF(__pyx_float_0_0); __Pyx_GIVEREF(__pyx_float_0_0); if (__Pyx_PyList_SET_ITEM(__pyx_t_4, 1, __pyx_float_0_0)) __PYX_ERR(0, 999, __pyx_L1_error); __Pyx_INCREF(__pyx_float_0_0); __Pyx_GIVEREF(__pyx_float_0_0); if (__Pyx_PyList_SET_ITEM(__pyx_t_4, 2, __pyx_float_0_0)) __PYX_ERR(0, 999, __pyx_L1_error); __Pyx_INCREF(__pyx_float_0_0); __Pyx_GIVEREF(__pyx_float_0_0); if (__Pyx_PyList_SET_ITEM(__pyx_t_4, 3, __pyx_float_0_0)) __PYX_ERR(0, 999, __pyx_L1_error); __Pyx_XDECREF_SET(__pyx_v_acceleration, ((PyObject*)__pyx_t_4)); __pyx_t_4 = 0;
+1000: out_volume_sum = 0.0
__pyx_v_out_volume_sum = 0.0;
1001:
1002: # calculate the height differences with neighbors and flow
+1003: for i in range(4):
for (__pyx_t_38 = 0; __pyx_t_38 < 4; __pyx_t_38+=1) {
__pyx_v_i = __pyx_t_38;
1004: #if (0 <= x + delta_x[i] < size_x) and (0 <= y + delta_y[i] < size_y):
+1005: height_neighbor = heightmap[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)] + water[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)].height
__pyx_t_41 = __pyx_f_6eroder_mod((__pyx_v_x + (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_41 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1005, __pyx_L1_error) __pyx_t_42 = __pyx_f_6eroder_mod((__pyx_v_y + (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_42 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1005, __pyx_L1_error) __pyx_t_40 = __pyx_t_41; __pyx_t_39 = __pyx_t_42; __pyx_t_43 = __pyx_f_6eroder_mod((__pyx_v_x + (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_43 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1005, __pyx_L1_error) __pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_y + (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1005, __pyx_L1_error) __pyx_v_height_neighbor = ((*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_40 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_39)) ))) + ((__pyx_v_water[__pyx_t_43])[__pyx_t_44]).height);
+1006: delta_height = height_here - height_neighbor
__pyx_v_delta_height = (__pyx_v_height_here - __pyx_v_height_neighbor);
+1007: acceleration[i] = g * delta_height / length
__pyx_t_4 = PyFloat_FromDouble(((__pyx_v_6eroder_g * __pyx_v_delta_height) / __pyx_v_6eroder_length)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1007, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); if (unlikely((__Pyx_SetItemInt(__pyx_v_acceleration, __pyx_v_i, __pyx_t_4, unsigned int, 0, __Pyx_PyInt_From_unsigned_int, 1, 0, 0) < 0))) __PYX_ERR(0, 1007, __pyx_L1_error) __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
1008:
+1009: velocity_in_direction = max(0.0, water[x][y].velocity_x*delta_x[i] + water[x][y].velocity_y*delta_y[i])
__pyx_t_30 = ((((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).velocity_x * (__pyx_v_delta_x[__pyx_v_i])) + (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).velocity_y * (__pyx_v_delta_y[__pyx_v_i])));
__pyx_t_45 = 0.0;
__pyx_t_31 = (__pyx_t_30 > __pyx_t_45);
if (__pyx_t_31) {
__pyx_t_46 = __pyx_t_30;
} else {
__pyx_t_46 = __pyx_t_45;
}
__pyx_t_4 = PyFloat_FromDouble(__pyx_t_46); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1009, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_4);
__Pyx_XDECREF_SET(__pyx_v_velocity_in_direction, __pyx_t_4);
__pyx_t_4 = 0;
+1010: flow[x][y][i] = max(0.0, flow[x][y][i] + ((delta_t * acceleration[i]) * length * length))
__pyx_t_39 = __pyx_v_x;
__pyx_t_40 = __pyx_v_y;
__pyx_t_47 = __pyx_v_i;
__pyx_t_4 = PyFloat_FromDouble((*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_39 * __pyx_v_flow.strides[0]) ) + __pyx_t_40 * __pyx_v_flow.strides[1]) ) + __pyx_t_47 * __pyx_v_flow.strides[2]) )))); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_4);
__pyx_t_3 = PyFloat_FromDouble(__pyx_v_delta_t); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_2 = PyNumber_Multiply(__pyx_t_3, PyList_GET_ITEM(__pyx_v_acceleration, __pyx_v_i)); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
__pyx_t_3 = PyFloat_FromDouble(__pyx_v_6eroder_length); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_5 = PyNumber_Multiply(__pyx_t_2, __pyx_t_3); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_5);
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
__pyx_t_3 = PyFloat_FromDouble(__pyx_v_6eroder_length); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_2 = PyNumber_Multiply(__pyx_t_5, __pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
__pyx_t_3 = PyNumber_Add(__pyx_t_4, __pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
__pyx_t_46 = 0.0;
__pyx_t_4 = PyFloat_FromDouble(__pyx_t_46); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_4);
__pyx_t_5 = PyObject_RichCompare(__pyx_t_3, __pyx_t_4, Py_GT); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
__pyx_t_31 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely((__pyx_t_31 < 0))) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
if (__pyx_t_31) {
__Pyx_INCREF(__pyx_t_3);
__pyx_t_2 = __pyx_t_3;
} else {
__pyx_t_5 = PyFloat_FromDouble(__pyx_t_46); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_5);
__pyx_t_2 = __pyx_t_5;
__pyx_t_5 = 0;
}
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
__pyx_t_46 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_46 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1010, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
__pyx_t_47 = __pyx_v_x;
__pyx_t_40 = __pyx_v_y;
__pyx_t_39 = __pyx_v_i;
*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_47 * __pyx_v_flow.strides[0]) ) + __pyx_t_40 * __pyx_v_flow.strides[1]) ) + __pyx_t_39 * __pyx_v_flow.strides[2]) )) = __pyx_t_46;
+1011: out_volume_sum += delta_t * flow[x][y][i]
__pyx_t_39 = __pyx_v_x;
__pyx_t_40 = __pyx_v_y;
__pyx_t_47 = __pyx_v_i;
__pyx_v_out_volume_sum = (__pyx_v_out_volume_sum + (__pyx_v_delta_t * (*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_39 * __pyx_v_flow.strides[0]) ) + __pyx_t_40 * __pyx_v_flow.strides[1]) ) + __pyx_t_47 * __pyx_v_flow.strides[2]) )))));
}
1012:
1013: """ if velocity_in_direction > 0:
1014: print(velocity_in_direction) """
1015:
1016: # scale flow
+1017: scaling = 1.0
__pyx_v_scaling = 1.0;
+1018: column_water = length * length * water[x][y].height
__pyx_v_column_water = ((__pyx_v_6eroder_length * __pyx_v_6eroder_length) * ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height);
1019:
+1020: if out_volume_sum > column_water and out_volume_sum > 0:
__pyx_t_48 = (__pyx_v_out_volume_sum > __pyx_v_column_water);
if (__pyx_t_48) {
} else {
__pyx_t_31 = __pyx_t_48;
goto __pyx_L50_bool_binop_done;
}
__pyx_t_48 = (__pyx_v_out_volume_sum > 0.0);
__pyx_t_31 = __pyx_t_48;
__pyx_L50_bool_binop_done:;
if (__pyx_t_31) {
/* … */
}
+1021: scaling = column_water / out_volume_sum
__pyx_v_scaling = (__pyx_v_column_water / __pyx_v_out_volume_sum);
+1022: out_volume_sum = column_water
__pyx_v_out_volume_sum = __pyx_v_column_water;
1023:
1024: # add to neighbors
+1025: for i in range(4):
for (__pyx_t_38 = 0; __pyx_t_38 < 4; __pyx_t_38+=1) {
__pyx_v_i = __pyx_t_38;
+1026: flow[x][y][i] *= scaling
__pyx_t_47 = __pyx_v_x;
__pyx_t_40 = __pyx_v_y;
__pyx_t_39 = __pyx_v_i;
*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_47 * __pyx_v_flow.strides[0]) ) + __pyx_t_40 * __pyx_v_flow.strides[1]) ) + __pyx_t_39 * __pyx_v_flow.strides[2]) )) *= __pyx_v_scaling;
1027:
+1028: delta_v_x = delta_t * acceleration[i] * delta_x[i]
__pyx_t_2 = PyFloat_FromDouble(__pyx_v_delta_t); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1028, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __pyx_t_3 = PyNumber_Multiply(__pyx_t_2, PyList_GET_ITEM(__pyx_v_acceleration, __pyx_v_i)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1028, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = __Pyx_PyInt_From_int((__pyx_v_delta_x[__pyx_v_i])); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1028, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __pyx_t_5 = PyNumber_Multiply(__pyx_t_3, __pyx_t_2); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1028, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __Pyx_XDECREF_SET(__pyx_v_delta_v_x, __pyx_t_5); __pyx_t_5 = 0;
+1029: delta_v_y = delta_t * acceleration[i] * delta_y[i]
__pyx_t_5 = PyFloat_FromDouble(__pyx_v_delta_t); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1029, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __pyx_t_2 = PyNumber_Multiply(__pyx_t_5, PyList_GET_ITEM(__pyx_v_acceleration, __pyx_v_i)); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1029, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __pyx_t_5 = __Pyx_PyInt_From_int((__pyx_v_delta_y[__pyx_v_i])); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1029, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __pyx_t_3 = PyNumber_Multiply(__pyx_t_2, __pyx_t_5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1029, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __Pyx_XDECREF_SET(__pyx_v_delta_v_y, __pyx_t_3); __pyx_t_3 = 0;
1030:
1031: # move sediment
+1032: fraction = flow[x][y][i] * delta_t / column_water
__pyx_t_39 = __pyx_v_x;
__pyx_t_40 = __pyx_v_y;
__pyx_t_47 = __pyx_v_i;
__pyx_v_fraction = (((*((double *) ( /* dim=2 */ (( /* dim=1 */ (( /* dim=0 */ (__pyx_v_flow.data + __pyx_t_39 * __pyx_v_flow.strides[0]) ) + __pyx_t_40 * __pyx_v_flow.strides[1]) ) + __pyx_t_47 * __pyx_v_flow.strides[2]) ))) * __pyx_v_delta_t) / __pyx_v_column_water);
+1033: water_flow[x][y][i] = speedup(water_fraction(water[x][y], fraction), delta_v_x, delta_v_y)
__pyx_t_46 = __pyx_PyFloat_AsDouble(__pyx_v_delta_v_x); if (unlikely((__pyx_t_46 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1033, __pyx_L1_error) __pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_v_delta_v_y); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1033, __pyx_L1_error) (((__pyx_v_water_flow[__pyx_v_x])[__pyx_v_y])[__pyx_v_i]) = __pyx_f_6eroder_speedup(__pyx_f_6eroder_water_fraction(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]), __pyx_v_fraction), __pyx_t_46, __pyx_t_30); }
1034: # what remains here
+1035: add_to_water(water2[x][y], water_fraction(water[x][y], 1 - out_volume_sum/column_water))
__pyx_f_6eroder_add_to_water(((__pyx_v_water2[__pyx_v_x])[__pyx_v_y]), __pyx_f_6eroder_water_fraction(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]), (1.0 - (__pyx_v_out_volume_sum / __pyx_v_column_water))));
1036:
1037:
1038: # assign
+1039: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+1040: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
+1041: for i in range(4):
for (__pyx_t_38 = 0; __pyx_t_38 < 4; __pyx_t_38+=1) {
__pyx_v_i = __pyx_t_38;
+1042: add_to_water(water2[x][y], water_flow[mod(x - delta_x[i], size_x)][mod(y - delta_y[i], size_y)][i])
__pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_x - (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1042, __pyx_L1_error) __pyx_t_43 = __pyx_f_6eroder_mod((__pyx_v_y - (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_43 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1042, __pyx_L1_error) __pyx_f_6eroder_add_to_water(((__pyx_v_water2[__pyx_v_x])[__pyx_v_y]), (((__pyx_v_water_flow[__pyx_t_44])[__pyx_t_43])[__pyx_v_i])); }
1043:
+1044: previous = water[x][y].height
__pyx_t_30 = ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height;
__pyx_v_previous = __pyx_t_30;
+1045: water[x][y] = water2[x][y]
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]) = ((__pyx_v_water2[__pyx_v_x])[__pyx_v_y]);
+1046: water[x][y].previous = previous
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).previous = __pyx_v_previous;
+1047: slow_down(water[x][y])
__pyx_f_6eroder_slow_down(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]));
}
}
1048:
1049:
1050: ######################################################
1051: # FORCE EROSION
1052: ######################################################
+1053: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+1054: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
+1055: if water[x][y].height > 0:
__pyx_t_31 = (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height > 0.0);
if (__pyx_t_31) {
/* … */
}
}
}
+1056: average_height = 0.5 * (water[x][y].height + water[x][y].previous)
__pyx_v_average_height = (0.5 * (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height + ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).previous));
1057:
1058: # this max function doesn't really have a physical basis, but it makes sure that small amounts of water don't erode ridiculous amounts
+1059: average_height = max(average_height, 0.05) # 0.05
__pyx_t_30 = 0.05;
__pyx_t_46 = __pyx_v_average_height;
__pyx_t_31 = (__pyx_t_30 > __pyx_t_46);
if (__pyx_t_31) {
__pyx_t_45 = __pyx_t_30;
} else {
__pyx_t_45 = __pyx_t_46;
}
__pyx_v_average_height = __pyx_t_45;
1060:
+1061: flow_velocity = water_velocity(x, y, size_x, size_y, flow) / (length * average_height)
__pyx_v_flow_velocity = (__pyx_f_6eroder_water_velocity(__pyx_v_x, __pyx_v_y, __pyx_v_size_x, __pyx_v_size_y, __pyx_v_flow) / (__pyx_v_6eroder_length * __pyx_v_average_height));
1062:
1063: # steepness and convexness
1064: #local_shape_factor = max(0.0, 1.0 * max(0.05, get_steepness(x, y, size_x, size_y, heightmap)) + 0.0 * get_convexness(x, y, size_x, size_y, heightmap))
1065: # no erosion_constant
+1066: water_info = erosion_constant * flow_velocity * max(0.05, get_steepness(x, y, size_x, size_y, heightmap)) * max_erosion_depth(water[x][y].height) * (1 / (1 + 0.2 * vegetation[x][y]))
__pyx_t_45 = __pyx_f_6eroder_get_steepness(__pyx_v_x, __pyx_v_y, __pyx_v_size_x, __pyx_v_size_y, __pyx_v_heightmap);
__pyx_t_30 = 0.05;
__pyx_t_31 = (__pyx_t_45 > __pyx_t_30);
if (__pyx_t_31) {
__pyx_t_46 = __pyx_t_45;
} else {
__pyx_t_46 = __pyx_t_30;
}
__pyx_t_47 = __pyx_v_x;
__pyx_t_40 = __pyx_v_y;
__pyx_v_water_info = ((((__pyx_v_erosion_constant * __pyx_v_flow_velocity) * __pyx_t_46) * __pyx_f_6eroder_max_erosion_depth(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height)) * (1.0 / (1.0 + (0.2 * (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_47 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_40)) )))))));
1067:
1068: # organic
+1069: sediment_capacity = organic_constant * water_info
__pyx_t_3 = PyFloat_FromDouble((__pyx_v_6eroder_organic_constant * __pyx_v_water_info)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1069, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_XDECREF_SET(__pyx_v_sediment_capacity, __pyx_t_3); __pyx_t_3 = 0;
+1070: if water[x][y].sediment.organic <= sediment_capacity:
__pyx_t_3 = PyFloat_FromDouble(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).sediment.organic); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1070, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_5 = PyObject_RichCompare(__pyx_t_3, __pyx_v_sediment_capacity, Py_LE); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1070, __pyx_L1_error) __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_t_31 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely((__pyx_t_31 < 0))) __PYX_ERR(0, 1070, __pyx_L1_error) __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; if (__pyx_t_31) { /* … */ goto __pyx_L65; }
1071: # erode
+1072: requested_amount = K_EROSION * (sediment_capacity - water[x][y].sediment.organic)
__pyx_t_5 = PyFloat_FromDouble(__pyx_v_6eroder_K_EROSION); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1072, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __pyx_t_3 = PyFloat_FromDouble(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).sediment.organic); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1072, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_2 = PyNumber_Subtract(__pyx_v_sediment_capacity, __pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1072, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_t_3 = PyNumber_Multiply(__pyx_t_5, __pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1072, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __Pyx_XDECREF_SET(__pyx_v_requested_amount, __pyx_t_3); __pyx_t_3 = 0;
+1073: amount = erode_organic_amount(terrain[x][y], requested_amount)
__pyx_t_46 = __pyx_PyFloat_AsDouble(__pyx_v_requested_amount); if (unlikely((__pyx_t_46 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1073, __pyx_L1_error) __pyx_t_3 = PyFloat_FromDouble(__pyx_f_6eroder_erode_organic_amount(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]), __pyx_t_46)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1073, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_XDECREF_SET(__pyx_v_amount, __pyx_t_3); __pyx_t_3 = 0;
+1074: heightmap[x][y] -= amount
__pyx_t_46 = __pyx_PyFloat_AsDouble(__pyx_v_amount); if (unlikely((__pyx_t_46 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1074, __pyx_L1_error) __pyx_t_40 = __pyx_v_x; __pyx_t_47 = __pyx_v_y; *((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_40 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_47)) )) -= __pyx_t_46;
+1075: water[x][y].sediment.organic += amount
__pyx_t_38 = __pyx_v_x;
__pyx_t_43 = __pyx_v_y;
__pyx_t_3 = PyFloat_FromDouble(((__pyx_v_water[__pyx_t_38])[__pyx_t_43]).sediment.organic); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1075, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_2 = PyNumber_InPlaceAdd(__pyx_t_3, __pyx_v_amount); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1075, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
__pyx_t_46 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_46 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1075, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
((__pyx_v_water[__pyx_t_38])[__pyx_t_43]).sediment.organic = __pyx_t_46;
1076: #water[x][y] += amount
1077: else:
1078: # deposit
+1079: amount = K_DEPOSITION * (water[x][y].sediment.organic - sediment_capacity)
/*else*/ {
__pyx_t_2 = PyFloat_FromDouble(__pyx_v_6eroder_K_DEPOSITION); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1079, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__pyx_t_3 = PyFloat_FromDouble(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).sediment.organic); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1079, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_5 = PyNumber_Subtract(__pyx_t_3, __pyx_v_sediment_capacity); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1079, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_5);
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
__pyx_t_3 = PyNumber_Multiply(__pyx_t_2, __pyx_t_5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1079, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
__Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
__Pyx_XDECREF_SET(__pyx_v_amount, __pyx_t_3);
__pyx_t_3 = 0;
+1080: soil = new_soil(amount, 0, 0, 0, 0)
__pyx_t_46 = __pyx_PyFloat_AsDouble(__pyx_v_amount); if (unlikely((__pyx_t_46 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1080, __pyx_L1_error) __pyx_v_soil = __pyx_f_6eroder_new_soil(__pyx_t_46, 0.0, 0.0, 0.0, 0.0);
+1081: deposit_soil(terrain[x][y], soil)
__pyx_f_6eroder_deposit_soil(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]), __pyx_v_soil);
+1082: heightmap[x][y] += amount
__pyx_t_46 = __pyx_PyFloat_AsDouble(__pyx_v_amount); if (unlikely((__pyx_t_46 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1082, __pyx_L1_error) __pyx_t_47 = __pyx_v_x; __pyx_t_40 = __pyx_v_y; *((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_47 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_40)) )) += __pyx_t_46;
+1083: water[x][y].sediment.organic -= amount
__pyx_t_38 = __pyx_v_x;
__pyx_t_43 = __pyx_v_y;
__pyx_t_3 = PyFloat_FromDouble(((__pyx_v_water[__pyx_t_38])[__pyx_t_43]).sediment.organic); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1083, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_5 = PyNumber_InPlaceSubtract(__pyx_t_3, __pyx_v_amount); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1083, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_5);
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
__pyx_t_46 = __pyx_PyFloat_AsDouble(__pyx_t_5); if (unlikely((__pyx_t_46 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1083, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
((__pyx_v_water[__pyx_t_38])[__pyx_t_43]).sediment.organic = __pyx_t_46;
}
__pyx_L65:;
1084: #water[x][y] -= amount
1085:
1086: # erode rocks
+1087: for rock in range(4):
for (__pyx_t_49 = 0; __pyx_t_49 < 4; __pyx_t_49+=1) {
__pyx_v_rock = __pyx_t_49;
1088: # erode
+1089: amount = erode_rocks_amount(terrain[x][y], water_info, rock)
__pyx_t_5 = PyFloat_FromDouble(__pyx_f_6eroder_erode_rocks_amount(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]), __pyx_v_water_info, __pyx_v_rock)); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1089, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_DECREF_SET(__pyx_v_amount, __pyx_t_5); __pyx_t_5 = 0;
+1090: heightmap[x][y] -= amount
__pyx_t_46 = __pyx_PyFloat_AsDouble(__pyx_v_amount); if (unlikely((__pyx_t_46 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1090, __pyx_L1_error) __pyx_t_40 = __pyx_v_x; __pyx_t_47 = __pyx_v_y; *((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_40 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_47)) )) -= __pyx_t_46;
+1091: water[x][y].sediment.rocks[rock] += amount
__pyx_t_38 = __pyx_v_x;
__pyx_t_43 = __pyx_v_y;
__pyx_t_50 = __pyx_v_rock;
__pyx_t_5 = PyFloat_FromDouble((((__pyx_v_water[__pyx_t_38])[__pyx_t_43]).sediment.rocks[__pyx_t_50])); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1091, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_5);
__pyx_t_3 = PyNumber_InPlaceAdd(__pyx_t_5, __pyx_v_amount); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1091, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
__pyx_t_46 = __pyx_PyFloat_AsDouble(__pyx_t_3); if (unlikely((__pyx_t_46 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1091, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
(((__pyx_v_water[__pyx_t_38])[__pyx_t_43]).sediment.rocks[__pyx_t_50]) = __pyx_t_46;
}
1092: #water[x][y] += amount
1093:
1094: # deposit rocks
+1095: for rock in range(4):
for (__pyx_t_49 = 0; __pyx_t_49 < 4; __pyx_t_49+=1) {
__pyx_v_rock = __pyx_t_49;
+1096: sediment_capacity = max(rock_matrix_linear[rock][rock] * water_info + rock_matrix_constant[rock][rock], 0.0)
__pyx_t_46 = 0.0;
__pyx_t_45 = ((((__pyx_v_6eroder_rock_matrix_linear[__pyx_v_rock])[__pyx_v_rock]) * __pyx_v_water_info) + ((__pyx_v_6eroder_rock_matrix_constant[__pyx_v_rock])[__pyx_v_rock]));
__pyx_t_31 = (__pyx_t_46 > __pyx_t_45);
if (__pyx_t_31) {
__pyx_t_30 = __pyx_t_46;
} else {
__pyx_t_30 = __pyx_t_45;
}
__pyx_t_3 = PyFloat_FromDouble(__pyx_t_30); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1096, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__Pyx_DECREF_SET(__pyx_v_sediment_capacity, __pyx_t_3);
__pyx_t_3 = 0;
+1097: if water[x][y].sediment.rocks[rock] > sediment_capacity:
__pyx_t_3 = PyFloat_FromDouble((((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).sediment.rocks[__pyx_v_rock])); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1097, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_5 = PyObject_RichCompare(__pyx_t_3, __pyx_v_sediment_capacity, Py_GT); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1097, __pyx_L1_error) __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_t_31 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely((__pyx_t_31 < 0))) __PYX_ERR(0, 1097, __pyx_L1_error) __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; if (__pyx_t_31) { /* … */ } }
1098:
1099: # deposit
+1100: amount = K_DEPOSITION * (water[x][y].sediment.rocks[rock] - sediment_capacity)
__pyx_t_5 = PyFloat_FromDouble(__pyx_v_6eroder_K_DEPOSITION); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1100, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __pyx_t_3 = PyFloat_FromDouble((((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).sediment.rocks[__pyx_v_rock])); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1100, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_2 = PyNumber_Subtract(__pyx_t_3, __pyx_v_sediment_capacity); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1100, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_t_3 = PyNumber_Multiply(__pyx_t_5, __pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1100, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __Pyx_DECREF_SET(__pyx_v_amount, __pyx_t_3); __pyx_t_3 = 0;
+1101: soil = new_soil_rock(amount, rock)
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_v_amount); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1101, __pyx_L1_error) __pyx_v_soil = __pyx_f_6eroder_new_soil_rock(__pyx_t_30, __pyx_v_rock);
+1102: deposit_soil(terrain[x][y], soil)
__pyx_f_6eroder_deposit_soil(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]), __pyx_v_soil);
+1103: heightmap[x][y] += amount
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+1104: water[x][y].sediment.rocks[rock] -= amount
__pyx_t_38 = __pyx_v_x;
__pyx_t_43 = __pyx_v_y;
__pyx_t_50 = __pyx_v_rock;
__pyx_t_3 = PyFloat_FromDouble((((__pyx_v_water[__pyx_t_38])[__pyx_t_43]).sediment.rocks[__pyx_t_50])); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1104, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_2 = PyNumber_InPlaceSubtract(__pyx_t_3, __pyx_v_amount); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1104, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
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__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
(((__pyx_v_water[__pyx_t_38])[__pyx_t_43]).sediment.rocks[__pyx_t_50]) = __pyx_t_30;
1105: #water[x][y] -= amount
1106:
1107:
1108: ######################################################
1109: # INERTIAL EROSION
1110: ######################################################
+1111: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+1112: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
+1113: if water[x][y].height > 0.0:
__pyx_t_31 = (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height > 0.0);
if (__pyx_t_31) {
/* … */
}
}
}
+1114: average_height = 0.5 * (water[x][y].height + water[x][y].previous)
__pyx_v_average_height = (0.5 * (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height + ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).previous));
1115:
1116: # this max function doesn't really have a physical basis, but it makes sure that small amounts of water don't erode ridiculous amounts
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__pyx_t_30 = 0.05;
__pyx_t_46 = __pyx_v_average_height;
__pyx_t_31 = (__pyx_t_30 > __pyx_t_46);
if (__pyx_t_31) {
__pyx_t_45 = __pyx_t_30;
} else {
__pyx_t_45 = __pyx_t_46;
}
__pyx_v_average_height = __pyx_t_45;
1118:
+1119: velocity = water_velocity_vector(x, y, size_x, size_y, flow) #/ (length * average_height)
__pyx_t_2 = __pyx_convert__to_py___pyx_ctuple_double__and_double(__pyx_f_6eroder_water_velocity_vector(__pyx_v_x, __pyx_v_y, __pyx_v_size_x, __pyx_v_size_y, __pyx_v_flow)); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1119, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_XDECREF_SET(__pyx_v_velocity, __pyx_t_2); __pyx_t_2 = 0;
1120:
1121:
1122:
+1123: water_top = heightmap[x][y] + water[x][y].height
__pyx_t_40 = __pyx_v_x;
__pyx_t_47 = __pyx_v_y;
__pyx_v_water_top = ((*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_40 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_47)) ))) + ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height);
+1124: water_bottom = heightmap[x][y]
__pyx_t_47 = __pyx_v_x;
__pyx_t_40 = __pyx_v_y;
__pyx_v_water_bottom = (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_47 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_40)) )));
1125:
+1126: for i in range(4):
for (__pyx_t_38 = 0; __pyx_t_38 < 4; __pyx_t_38+=1) {
__pyx_v_i = __pyx_t_38;
1127: #velocity_in_direction = max(0.0, water[x][y].velocity_x*delta_x[i] + water[x][y].velocity_y*delta_y[i])
+1128: velocity_in_direction = max(0.0, velocity[0]*delta_x[i] + velocity[1]*delta_y[i])
__pyx_t_2 = __Pyx_GetItemInt(__pyx_v_velocity, 0, long, 1, __Pyx_PyInt_From_long, 0, 0, 0); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1128, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __pyx_t_3 = __Pyx_PyInt_From_int((__pyx_v_delta_x[__pyx_v_i])); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1128, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_5 = PyNumber_Multiply(__pyx_t_2, __pyx_t_3); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1128, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_t_3 = __Pyx_GetItemInt(__pyx_v_velocity, 1, long, 1, __Pyx_PyInt_From_long, 0, 0, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1128, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_2 = __Pyx_PyInt_From_int((__pyx_v_delta_y[__pyx_v_i])); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1128, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __pyx_t_4 = PyNumber_Multiply(__pyx_t_3, __pyx_t_2); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1128, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = PyNumber_Add(__pyx_t_5, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1128, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; __pyx_t_45 = 0.0; __pyx_t_5 = PyFloat_FromDouble(__pyx_t_45); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1128, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __pyx_t_3 = PyObject_RichCompare(__pyx_t_2, __pyx_t_5, Py_GT); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1128, __pyx_L1_error) __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __pyx_t_31 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely((__pyx_t_31 < 0))) __PYX_ERR(0, 1128, __pyx_L1_error) __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; if (__pyx_t_31) { __Pyx_INCREF(__pyx_t_2); __pyx_t_4 = __pyx_t_2; } else { __pyx_t_3 = PyFloat_FromDouble(__pyx_t_45); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1128, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_4 = __pyx_t_3; __pyx_t_3 = 0; } __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = __pyx_t_4; __Pyx_INCREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; __Pyx_XDECREF_SET(__pyx_v_velocity_in_direction, __pyx_t_2); __pyx_t_2 = 0;
1129:
+1130: height_top = heightmap[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)]
__pyx_t_43 = __pyx_f_6eroder_mod((__pyx_v_x + (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_43 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1130, __pyx_L1_error) __pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_y + (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1130, __pyx_L1_error) __pyx_t_40 = __pyx_t_43; __pyx_t_47 = __pyx_t_44; __pyx_v_height_top = (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_40 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_47)) )));
+1131: height_bottom = height_top - get_soil_height(terrain[x][y].topsoil)
__pyx_v_height_bottom = (__pyx_v_height_top - __pyx_f_6eroder_get_soil_height(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil));
1132:
1133: # TOPSOIL
1134: # calculate contact area
+1135: contact_top = min(water_top, height_top)
__pyx_t_45 = __pyx_v_height_top;
__pyx_t_30 = __pyx_v_water_top;
__pyx_t_31 = (__pyx_t_45 < __pyx_t_30);
if (__pyx_t_31) {
__pyx_t_46 = __pyx_t_45;
} else {
__pyx_t_46 = __pyx_t_30;
}
__pyx_v_contact_top = __pyx_t_46;
+1136: contact_bottom = max(water_bottom, height_bottom)
__pyx_t_46 = __pyx_v_height_bottom;
__pyx_t_45 = __pyx_v_water_bottom;
__pyx_t_31 = (__pyx_t_46 > __pyx_t_45);
if (__pyx_t_31) {
__pyx_t_30 = __pyx_t_46;
} else {
__pyx_t_30 = __pyx_t_45;
}
__pyx_v_contact_bottom = __pyx_t_30;
+1137: contact_area = max(0.0, contact_top - contact_bottom) * length
__pyx_t_30 = (__pyx_v_contact_top - __pyx_v_contact_bottom);
__pyx_t_46 = 0.0;
__pyx_t_31 = (__pyx_t_30 > __pyx_t_46);
if (__pyx_t_31) {
__pyx_t_45 = __pyx_t_30;
} else {
__pyx_t_45 = __pyx_t_46;
}
__pyx_v_contact_area = (__pyx_t_45 * __pyx_v_6eroder_length);
1138:
+1139: erosion_capacity = inertial_erosion_constant * velocity_in_direction * contact_area # / MAX_WATER_SPEED
__pyx_t_2 = PyFloat_FromDouble(__pyx_v_inertial_erosion_constant); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1139, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __pyx_t_4 = PyNumber_Multiply(__pyx_t_2, __pyx_v_velocity_in_direction); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1139, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = PyFloat_FromDouble(__pyx_v_contact_area); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1139, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __pyx_t_3 = PyNumber_Multiply(__pyx_t_4, __pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1139, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __Pyx_XDECREF_SET(__pyx_v_erosion_capacity, __pyx_t_3); __pyx_t_3 = 0;
1140:
+1141: if erosion_capacity > 0.0:
__pyx_t_3 = PyObject_RichCompare(__pyx_v_erosion_capacity, __pyx_float_0_0, Py_GT); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1141, __pyx_L1_error) __pyx_t_31 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely((__pyx_t_31 < 0))) __PYX_ERR(0, 1141, __pyx_L1_error) __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; if (__pyx_t_31) { /* … */ } }
1142:
1143: # organic
+1144: sediment_capacity = organic_constant * erosion_capacity
__pyx_t_3 = PyFloat_FromDouble(__pyx_v_6eroder_organic_constant); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1144, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_2 = PyNumber_Multiply(__pyx_t_3, __pyx_v_erosion_capacity); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1144, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __Pyx_XDECREF_SET(__pyx_v_sediment_capacity, __pyx_t_2); __pyx_t_2 = 0;
1145: #if water[x][y].sediment.organic <= sediment_capacity:
1146: # erode
+1147: requested_amount = K_IN_EROSION* sediment_capacity
__pyx_t_2 = PyFloat_FromDouble(__pyx_v_6eroder_K_IN_EROSION); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1147, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __pyx_t_3 = PyNumber_Multiply(__pyx_t_2, __pyx_v_sediment_capacity); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1147, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __Pyx_XDECREF_SET(__pyx_v_requested_amount, __pyx_t_3); __pyx_t_3 = 0;
+1148: amount = erode_organic_amount_only_from(terrain[x][y].topsoil, requested_amount)
__pyx_t_45 = __pyx_PyFloat_AsDouble(__pyx_v_requested_amount); if (unlikely((__pyx_t_45 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1148, __pyx_L1_error) __pyx_t_3 = PyFloat_FromDouble(__pyx_f_6eroder_erode_organic_amount_only_from(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil, __pyx_t_45)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1148, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_XDECREF_SET(__pyx_v_amount, __pyx_t_3); __pyx_t_3 = 0;
1149:
+1150: heightmap[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)] -= amount
__pyx_t_45 = __pyx_PyFloat_AsDouble(__pyx_v_amount); if (unlikely((__pyx_t_45 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1150, __pyx_L1_error) __pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_x + (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1150, __pyx_L1_error) __pyx_t_43 = __pyx_f_6eroder_mod((__pyx_v_y + (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_43 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1150, __pyx_L1_error) __pyx_t_47 = __pyx_t_44; __pyx_t_40 = __pyx_t_43; *((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_47 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_40)) )) -= __pyx_t_45;
+1151: water[x][y].sediment.organic += amount
__pyx_t_43 = __pyx_v_x;
__pyx_t_44 = __pyx_v_y;
__pyx_t_3 = PyFloat_FromDouble(((__pyx_v_water[__pyx_t_43])[__pyx_t_44]).sediment.organic); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1151, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_2 = PyNumber_InPlaceAdd(__pyx_t_3, __pyx_v_amount); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1151, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
__pyx_t_45 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_45 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1151, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
((__pyx_v_water[__pyx_t_43])[__pyx_t_44]).sediment.organic = __pyx_t_45;
1152:
1153: # erode rocks
+1154: for original in range(4):
for (__pyx_t_49 = 0; __pyx_t_49 < 4; __pyx_t_49+=1) {
__pyx_v_original = __pyx_t_49;
+1155: for sedimented in range(4):
for (__pyx_t_50 = 0; __pyx_t_50 < 4; __pyx_t_50+=1) {
__pyx_v_sedimented = __pyx_t_50;
+1156: sediment_capacity = max(rock_matrix_linear[original][sedimented] * erosion_capacity + rock_matrix_constant[original][sedimented], 0.0)
__pyx_t_45 = 0.0;
__pyx_t_2 = PyFloat_FromDouble(((__pyx_v_6eroder_rock_matrix_linear[__pyx_v_original])[__pyx_v_sedimented])); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1156, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__pyx_t_3 = PyNumber_Multiply(__pyx_t_2, __pyx_v_erosion_capacity); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1156, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
__pyx_t_2 = PyFloat_FromDouble(((__pyx_v_6eroder_rock_matrix_constant[__pyx_v_original])[__pyx_v_sedimented])); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1156, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__pyx_t_4 = PyNumber_Add(__pyx_t_3, __pyx_t_2); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1156, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_4);
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
__pyx_t_3 = PyFloat_FromDouble(__pyx_t_45); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1156, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_5 = PyObject_RichCompare(__pyx_t_3, __pyx_t_4, Py_GT); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1156, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
__pyx_t_31 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely((__pyx_t_31 < 0))) __PYX_ERR(0, 1156, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
if (__pyx_t_31) {
__pyx_t_5 = PyFloat_FromDouble(__pyx_t_45); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1156, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_5);
__pyx_t_2 = __pyx_t_5;
__pyx_t_5 = 0;
} else {
__Pyx_INCREF(__pyx_t_4);
__pyx_t_2 = __pyx_t_4;
}
__Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
__pyx_t_4 = __pyx_t_2;
__Pyx_INCREF(__pyx_t_4);
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
__Pyx_DECREF_SET(__pyx_v_sediment_capacity, __pyx_t_4);
__pyx_t_4 = 0;
1157: #if water[x][y].sediment.rocks[sedimented] <= sediment_capacity:
1158: # erode
+1159: requested_amount = K_IN_EROSION * sediment_capacity
__pyx_t_4 = PyFloat_FromDouble(__pyx_v_6eroder_K_IN_EROSION); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1159, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __pyx_t_2 = PyNumber_Multiply(__pyx_t_4, __pyx_v_sediment_capacity); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1159, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; __Pyx_DECREF_SET(__pyx_v_requested_amount, __pyx_t_2); __pyx_t_2 = 0;
+1160: amount = erode_rocks_amount_only_from(terrain[x][y].topsoil, requested_amount, original)
__pyx_t_45 = __pyx_PyFloat_AsDouble(__pyx_v_requested_amount); if (unlikely((__pyx_t_45 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1160, __pyx_L1_error) __pyx_t_2 = PyFloat_FromDouble(__pyx_f_6eroder_erode_rocks_amount_only_from(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil, __pyx_t_45, __pyx_v_original)); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1160, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF_SET(__pyx_v_amount, __pyx_t_2); __pyx_t_2 = 0;
+1161: heightmap[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)] -= amount
__pyx_t_45 = __pyx_PyFloat_AsDouble(__pyx_v_amount); if (unlikely((__pyx_t_45 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1161, __pyx_L1_error) __pyx_t_43 = __pyx_f_6eroder_mod((__pyx_v_x + (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_43 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1161, __pyx_L1_error) __pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_y + (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1161, __pyx_L1_error) __pyx_t_40 = __pyx_t_43; __pyx_t_47 = __pyx_t_44; *((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_40 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_47)) )) -= __pyx_t_45;
+1162: water[x][y].sediment.rocks[sedimented] += amount
__pyx_t_44 = __pyx_v_x;
__pyx_t_43 = __pyx_v_y;
__pyx_t_51 = __pyx_v_sedimented;
__pyx_t_2 = PyFloat_FromDouble((((__pyx_v_water[__pyx_t_44])[__pyx_t_43]).sediment.rocks[__pyx_t_51])); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1162, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__pyx_t_4 = PyNumber_InPlaceAdd(__pyx_t_2, __pyx_v_amount); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1162, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_4);
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
__pyx_t_45 = __pyx_PyFloat_AsDouble(__pyx_t_4); if (unlikely((__pyx_t_45 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1162, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
(((__pyx_v_water[__pyx_t_44])[__pyx_t_43]).sediment.rocks[__pyx_t_51]) = __pyx_t_45;
}
}
1163:
1164: # SUBSOIL
1165: # calculate contact area
+1166: contact_top = min(water_top, height_bottom)
__pyx_t_45 = __pyx_v_height_bottom;
__pyx_t_30 = __pyx_v_water_top;
__pyx_t_31 = (__pyx_t_45 < __pyx_t_30);
if (__pyx_t_31) {
__pyx_t_46 = __pyx_t_45;
} else {
__pyx_t_46 = __pyx_t_30;
}
__pyx_v_contact_top = __pyx_t_46;
+1167: contact_bottom = max(water_bottom, height_bottom - get_soil_height(terrain[x][y].subsoil))
__pyx_t_46 = (__pyx_v_height_bottom - __pyx_f_6eroder_get_soil_height(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil));
__pyx_t_45 = __pyx_v_water_bottom;
__pyx_t_31 = (__pyx_t_46 > __pyx_t_45);
if (__pyx_t_31) {
__pyx_t_30 = __pyx_t_46;
} else {
__pyx_t_30 = __pyx_t_45;
}
__pyx_v_contact_bottom = __pyx_t_30;
+1168: contact_area = max(0.0, contact_top - contact_bottom) * length
__pyx_t_30 = (__pyx_v_contact_top - __pyx_v_contact_bottom);
__pyx_t_46 = 0.0;
__pyx_t_31 = (__pyx_t_30 > __pyx_t_46);
if (__pyx_t_31) {
__pyx_t_45 = __pyx_t_30;
} else {
__pyx_t_45 = __pyx_t_46;
}
__pyx_v_contact_area = (__pyx_t_45 * __pyx_v_6eroder_length);
1169:
+1170: erosion_capacity = inertial_erosion_constant * velocity_in_direction * contact_area / MAX_WATER_SPEED
__pyx_t_4 = PyFloat_FromDouble(__pyx_v_inertial_erosion_constant); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1170, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __pyx_t_2 = PyNumber_Multiply(__pyx_t_4, __pyx_v_velocity_in_direction); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1170, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; __pyx_t_4 = PyFloat_FromDouble(__pyx_v_contact_area); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1170, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __pyx_t_5 = PyNumber_Multiply(__pyx_t_2, __pyx_t_4); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1170, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; __pyx_t_4 = PyFloat_FromDouble(__pyx_v_6eroder_MAX_WATER_SPEED); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1170, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __pyx_t_2 = __Pyx_PyNumber_Divide(__pyx_t_5, __pyx_t_4); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1170, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0; __Pyx_DECREF_SET(__pyx_v_erosion_capacity, __pyx_t_2); __pyx_t_2 = 0;
1171:
1172: # organic
+1173: sediment_capacity = organic_constant * erosion_capacity
__pyx_t_2 = PyFloat_FromDouble(__pyx_v_6eroder_organic_constant); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1173, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __pyx_t_4 = PyNumber_Multiply(__pyx_t_2, __pyx_v_erosion_capacity); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1173, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __Pyx_DECREF_SET(__pyx_v_sediment_capacity, __pyx_t_4); __pyx_t_4 = 0;
1174: #if water[x][y].sediment.organic <= sediment_capacity:
1175: # erode
+1176: requested_amount = 0.5 * sediment_capacity
__pyx_t_4 = PyNumber_Multiply(__pyx_float_0_5, __pyx_v_sediment_capacity); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1176, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __Pyx_DECREF_SET(__pyx_v_requested_amount, __pyx_t_4); __pyx_t_4 = 0;
+1177: amount = erode_organic_amount_only_from(terrain[x][y].subsoil, requested_amount)
__pyx_t_45 = __pyx_PyFloat_AsDouble(__pyx_v_requested_amount); if (unlikely((__pyx_t_45 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1177, __pyx_L1_error) __pyx_t_4 = PyFloat_FromDouble(__pyx_f_6eroder_erode_organic_amount_only_from(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil, __pyx_t_45)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1177, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4); __Pyx_DECREF_SET(__pyx_v_amount, __pyx_t_4); __pyx_t_4 = 0;
1178:
+1179: heightmap[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)] -= amount
__pyx_t_45 = __pyx_PyFloat_AsDouble(__pyx_v_amount); if (unlikely((__pyx_t_45 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1179, __pyx_L1_error) __pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_x + (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1179, __pyx_L1_error) __pyx_t_43 = __pyx_f_6eroder_mod((__pyx_v_y + (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_43 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1179, __pyx_L1_error) __pyx_t_47 = __pyx_t_44; __pyx_t_40 = __pyx_t_43; *((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_47 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_40)) )) -= __pyx_t_45;
+1180: water[x][y].sediment.organic += amount
__pyx_t_43 = __pyx_v_x;
__pyx_t_44 = __pyx_v_y;
__pyx_t_4 = PyFloat_FromDouble(((__pyx_v_water[__pyx_t_43])[__pyx_t_44]).sediment.organic); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1180, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_4);
__pyx_t_2 = PyNumber_InPlaceAdd(__pyx_t_4, __pyx_v_amount); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1180, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
__pyx_t_45 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_45 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1180, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
((__pyx_v_water[__pyx_t_43])[__pyx_t_44]).sediment.organic = __pyx_t_45;
1181:
1182: # erode rocks
+1183: for original in range(4):
for (__pyx_t_49 = 0; __pyx_t_49 < 4; __pyx_t_49+=1) {
__pyx_v_original = __pyx_t_49;
+1184: for sedimented in range(4):
for (__pyx_t_50 = 0; __pyx_t_50 < 4; __pyx_t_50+=1) {
__pyx_v_sedimented = __pyx_t_50;
+1185: sediment_capacity = max(rock_matrix_linear[original][sedimented] * erosion_capacity + rock_matrix_constant[original][sedimented], 0.0)
__pyx_t_45 = 0.0;
__pyx_t_2 = PyFloat_FromDouble(((__pyx_v_6eroder_rock_matrix_linear[__pyx_v_original])[__pyx_v_sedimented])); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1185, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__pyx_t_4 = PyNumber_Multiply(__pyx_t_2, __pyx_v_erosion_capacity); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1185, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_4);
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
__pyx_t_2 = PyFloat_FromDouble(((__pyx_v_6eroder_rock_matrix_constant[__pyx_v_original])[__pyx_v_sedimented])); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1185, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__pyx_t_5 = PyNumber_Add(__pyx_t_4, __pyx_t_2); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1185, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_5);
__Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
__pyx_t_4 = PyFloat_FromDouble(__pyx_t_45); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1185, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_4);
__pyx_t_3 = PyObject_RichCompare(__pyx_t_4, __pyx_t_5, Py_GT); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1185, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
__pyx_t_31 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely((__pyx_t_31 < 0))) __PYX_ERR(0, 1185, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
if (__pyx_t_31) {
__pyx_t_3 = PyFloat_FromDouble(__pyx_t_45); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1185, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__pyx_t_2 = __pyx_t_3;
__pyx_t_3 = 0;
} else {
__Pyx_INCREF(__pyx_t_5);
__pyx_t_2 = __pyx_t_5;
}
__Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
__pyx_t_5 = __pyx_t_2;
__Pyx_INCREF(__pyx_t_5);
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
__Pyx_DECREF_SET(__pyx_v_sediment_capacity, __pyx_t_5);
__pyx_t_5 = 0;
1186: #if water[x][y].sediment.rocks[sedimented] <= sediment_capacity:
1187: # erode
+1188: requested_amount = 0.5 * sediment_capacity
__pyx_t_5 = PyNumber_Multiply(__pyx_float_0_5, __pyx_v_sediment_capacity); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1188, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_DECREF_SET(__pyx_v_requested_amount, __pyx_t_5); __pyx_t_5 = 0;
+1189: amount = erode_rocks_amount_only_from(terrain[x][y].subsoil, requested_amount, original)
__pyx_t_45 = __pyx_PyFloat_AsDouble(__pyx_v_requested_amount); if (unlikely((__pyx_t_45 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1189, __pyx_L1_error) __pyx_t_5 = PyFloat_FromDouble(__pyx_f_6eroder_erode_rocks_amount_only_from(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil, __pyx_t_45, __pyx_v_original)); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1189, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_DECREF_SET(__pyx_v_amount, __pyx_t_5); __pyx_t_5 = 0;
+1190: heightmap[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)] -= amount
__pyx_t_45 = __pyx_PyFloat_AsDouble(__pyx_v_amount); if (unlikely((__pyx_t_45 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1190, __pyx_L1_error) __pyx_t_43 = __pyx_f_6eroder_mod((__pyx_v_x + (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_43 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1190, __pyx_L1_error) __pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_y + (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1190, __pyx_L1_error) __pyx_t_40 = __pyx_t_43; __pyx_t_47 = __pyx_t_44; *((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_40 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_47)) )) -= __pyx_t_45;
+1191: water[x][y].sediment.rocks[sedimented] += amount
__pyx_t_44 = __pyx_v_x;
__pyx_t_43 = __pyx_v_y;
__pyx_t_51 = __pyx_v_sedimented;
__pyx_t_5 = PyFloat_FromDouble((((__pyx_v_water[__pyx_t_44])[__pyx_t_43]).sediment.rocks[__pyx_t_51])); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1191, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_5);
__pyx_t_2 = PyNumber_InPlaceAdd(__pyx_t_5, __pyx_v_amount); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1191, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
__pyx_t_45 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_45 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1191, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
(((__pyx_v_water[__pyx_t_44])[__pyx_t_43]).sediment.rocks[__pyx_t_51]) = __pyx_t_45;
}
}
1192:
1193: # slow down water
+1194: total_contact_volume = max(min(heightmap[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)] - heightmap[x][y], water[x][y].height) * area, 0.0)
__pyx_t_45 = 0.0;
__pyx_t_30 = ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height;
__pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_x + (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1194, __pyx_L1_error)
__pyx_t_43 = __pyx_f_6eroder_mod((__pyx_v_y + (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_43 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1194, __pyx_L1_error)
__pyx_t_47 = __pyx_t_44;
__pyx_t_40 = __pyx_t_43;
__pyx_t_39 = __pyx_v_x;
__pyx_t_52 = __pyx_v_y;
__pyx_t_46 = ((*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_47 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_40)) ))) - (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_39 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_52)) ))));
__pyx_t_31 = (__pyx_t_30 < __pyx_t_46);
if (__pyx_t_31) {
__pyx_t_53 = __pyx_t_30;
} else {
__pyx_t_53 = __pyx_t_46;
}
__pyx_t_30 = (__pyx_t_53 * __pyx_v_area);
__pyx_t_31 = (__pyx_t_45 > __pyx_t_30);
if (__pyx_t_31) {
__pyx_t_53 = __pyx_t_45;
} else {
__pyx_t_53 = __pyx_t_30;
}
__pyx_v_total_contact_volume = __pyx_t_53;
1195:
+1196: fraction = total_contact_volume / (water[x][y].height * area)
__pyx_v_fraction = (__pyx_v_total_contact_volume / (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height * __pyx_v_area));
1197:
+1198: water[x][y].velocity_x *= abs(delta_x[i]) * (1.0 - fraction)
__pyx_t_43 = __pyx_v_x;
__pyx_t_44 = __pyx_v_y;
__pyx_t_36 = abs((__pyx_v_delta_x[__pyx_v_i])); if (unlikely(__pyx_t_36 == ((int)-1))) __PYX_ERR(0, 1198, __pyx_L1_error)
((__pyx_v_water[__pyx_t_43])[__pyx_t_44]).velocity_x = (((__pyx_v_water[__pyx_t_43])[__pyx_t_44]).velocity_x * (__pyx_t_36 * (1.0 - __pyx_v_fraction)));
+1199: water[x][y].velocity_y *= abs(delta_y[i]) * (1.0 - fraction)
__pyx_t_43 = __pyx_v_x;
__pyx_t_44 = __pyx_v_y;
__pyx_t_36 = abs((__pyx_v_delta_y[__pyx_v_i])); if (unlikely(__pyx_t_36 == ((int)-1))) __PYX_ERR(0, 1199, __pyx_L1_error)
((__pyx_v_water[__pyx_t_43])[__pyx_t_44]).velocity_y = (((__pyx_v_water[__pyx_t_43])[__pyx_t_44]).velocity_y * (__pyx_t_36 * (1.0 - __pyx_v_fraction)));
1200:
1201:
1202:
1203:
1204: ######################################################
1205: # DISSOLUTION/REGOLITH EROSION
1206: ######################################################
+1207: if max_penetration_depth > 0.0:
__pyx_t_31 = (__pyx_v_max_penetration_depth > 0.0);
if (__pyx_t_31) {
/* … */
}
+1208: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+1209: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
+1210: if water[x][y].height > 0:
__pyx_t_31 = (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height > 0.0);
if (__pyx_t_31) {
/* … */
}
}
}
1211: # max regolith
+1212: max_regolith_thickness = max_penetration_depth
__pyx_v_max_regolith_thickness = __pyx_v_max_penetration_depth;
+1213: if water[x][y].height < max_penetration_depth:
__pyx_t_31 = (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height < __pyx_v_max_penetration_depth);
if (__pyx_t_31) {
/* … */
}
+1214: max_regolith_thickness = water[x][y].height
__pyx_t_53 = ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height;
__pyx_v_max_regolith_thickness = __pyx_t_53;
1215:
1216: # always maintain max regolith (no idea why)
+1217: if get_soil_height(water[x][y].regolith) < max_regolith_thickness:
__pyx_t_31 = (__pyx_f_6eroder_get_soil_height(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).regolith) < __pyx_v_max_regolith_thickness);
if (__pyx_t_31) {
/* … */
goto __pyx_L94;
}
1218: # regolithise (not a real word)
+1219: amount = erode_regolith(terrain[x][y], max_regolith_thickness - get_soil_height(water[x][y].regolith))
__pyx_t_2 = __pyx_convert__to_py_struct____pyx_t_6eroder_Soil(__pyx_f_6eroder_erode_regolith(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]), (__pyx_v_max_regolith_thickness - __pyx_f_6eroder_get_soil_height(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).regolith)))); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1219, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_XDECREF_SET(__pyx_v_amount, __pyx_t_2); __pyx_t_2 = 0;
+1220: heightmap[x][y] -= get_soil_height(amount)
__pyx_t_54 = __pyx_convert__from_py_struct____pyx_t_6eroder_Soil(__pyx_v_amount); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 1220, __pyx_L1_error)
__pyx_t_52 = __pyx_v_x;
__pyx_t_39 = __pyx_v_y;
*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_52 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_39)) )) -= __pyx_f_6eroder_get_soil_height(__pyx_t_54);
+1221: add_to_soil(water[x][y].regolith, amount)
__pyx_t_54 = __pyx_convert__from_py_struct____pyx_t_6eroder_Soil(__pyx_v_amount); if (unlikely(PyErr_Occurred())) __PYX_ERR(0, 1221, __pyx_L1_error)
__pyx_f_6eroder_add_to_soil(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).regolith, __pyx_t_54);
1222: else:
1223: # deposit
+1224: amount = get_soil_height(water[x][y].regolith) - max_regolith_thickness
/*else*/ {
__pyx_t_2 = PyFloat_FromDouble((__pyx_f_6eroder_get_soil_height(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).regolith) - __pyx_v_max_regolith_thickness)); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1224, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__Pyx_XDECREF_SET(__pyx_v_amount, __pyx_t_2);
__pyx_t_2 = 0;
+1225: soil = soil_fraction(water[x][y].regolith, amount / get_soil_height(water[x][y].regolith))
__pyx_t_2 = PyFloat_FromDouble(__pyx_f_6eroder_get_soil_height(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).regolith)); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1225, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __pyx_t_5 = __Pyx_PyNumber_Divide(__pyx_v_amount, __pyx_t_2); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1225, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_53 = __pyx_PyFloat_AsDouble(__pyx_t_5); if (unlikely((__pyx_t_53 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1225, __pyx_L1_error) __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __pyx_v_soil = __pyx_f_6eroder_soil_fraction(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).regolith, __pyx_t_53);
+1226: deposit_soil(terrain[x][y], soil)
__pyx_f_6eroder_deposit_soil(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]), __pyx_v_soil);
+1227: heightmap[x][y] += amount
__pyx_t_53 = __pyx_PyFloat_AsDouble(__pyx_v_amount); if (unlikely((__pyx_t_53 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1227, __pyx_L1_error) __pyx_t_39 = __pyx_v_x; __pyx_t_52 = __pyx_v_y; *((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_39 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_52)) )) += __pyx_t_53;
+1228: water[x][y].regolith = soil_fraction(water[x][y].regolith, 1 - amount / get_soil_height(water[x][y].regolith))
__pyx_t_5 = PyFloat_FromDouble(__pyx_f_6eroder_get_soil_height(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).regolith)); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1228, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __pyx_t_2 = __Pyx_PyNumber_Divide(__pyx_v_amount, __pyx_t_5); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1228, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __pyx_t_5 = __Pyx_PyInt_SubtractCObj(__pyx_int_1, __pyx_t_2, 1, 0, 0); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1228, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_53 = __pyx_PyFloat_AsDouble(__pyx_t_5); if (unlikely((__pyx_t_53 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1228, __pyx_L1_error) __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).regolith = __pyx_f_6eroder_soil_fraction(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).regolith, __pyx_t_53); } __pyx_L94:;
1229:
1230:
1231: ######################################################
1232: # DIFFUSE SEDIMENT
1233: ######################################################
+1234: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+1235: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
+1236: water2[x][y] = water[x][y]
((__pyx_v_water2[__pyx_v_x])[__pyx_v_y]) = ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]);
+1237: water2[x][y].sediment = EMPTY_SOIL
((__pyx_v_water2[__pyx_v_x])[__pyx_v_y]).sediment = __pyx_v_6eroder_EMPTY_SOIL;
}
}
1238:
+1239: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+1240: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
1241: # using a filter where the neighbors have weights of 0.5 and the column itself has a weight of 1.0
1242: # so the sum is 1.0 + 4*0.5 = 3.0
+1243: base = 1.0 * water[x][y].height
__pyx_v_base = (1.0 * ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height);
+1244: for i in range(4):
for (__pyx_t_38 = 0; __pyx_t_38 < 4; __pyx_t_38+=1) {
__pyx_v_i = __pyx_t_38;
+1245: base += 0.5 * water[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)].height
__pyx_t_43 = __pyx_f_6eroder_mod((__pyx_v_x + (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_43 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1245, __pyx_L1_error) __pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_y + (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1245, __pyx_L1_error) __pyx_v_base = (__pyx_v_base + (0.5 * ((__pyx_v_water[__pyx_t_43])[__pyx_t_44]).height)); }
1246:
+1247: if base > 0:
__pyx_t_31 = (__pyx_v_base > 0.0);
if (__pyx_t_31) {
/* … */
goto __pyx_L105;
}
+1248: add_to_soil(water2[x][y].sediment, soil_fraction(water[x][y].sediment, 1.0 * water[x][y].height / base))
__pyx_f_6eroder_add_to_soil(((__pyx_v_water2[__pyx_v_x])[__pyx_v_y]).sediment, __pyx_f_6eroder_soil_fraction(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).sediment, ((1.0 * ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height) / __pyx_v_base)));
1249: #water2[x][y] -= water[x][y].sediment * (1.0 - (1.0 * water[x][y] / base))
+1250: for i in range(4):
for (__pyx_t_38 = 0; __pyx_t_38 < 4; __pyx_t_38+=1) {
__pyx_v_i = __pyx_t_38;
+1251: fraction = 0.5 * water[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)].height / base
__pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_x + (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1251, __pyx_L1_error) __pyx_t_43 = __pyx_f_6eroder_mod((__pyx_v_y + (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_43 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1251, __pyx_L1_error) __pyx_v_fraction = ((0.5 * ((__pyx_v_water[__pyx_t_44])[__pyx_t_43]).height) / __pyx_v_base);
+1252: add_to_soil(water2[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)].sediment, soil_fraction(water[x][y].sediment, fraction))
__pyx_t_43 = __pyx_f_6eroder_mod((__pyx_v_x + (__pyx_v_delta_x[__pyx_v_i])), __pyx_v_size_x); if (unlikely(__pyx_t_43 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1252, __pyx_L1_error) __pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_y + (__pyx_v_delta_y[__pyx_v_i])), __pyx_v_size_y); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1252, __pyx_L1_error) __pyx_f_6eroder_add_to_soil(((__pyx_v_water2[__pyx_t_43])[__pyx_t_44]).sediment, __pyx_f_6eroder_soil_fraction(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).sediment, __pyx_v_fraction)); }
1253: #water2[mod(x + delta_x[i], size_x)][mod(y + delta_y[i], size_y)] += amount
1254: else:
+1255: add_to_soil(water2[x][y].sediment, water[x][y].sediment)
/*else*/ {
__pyx_f_6eroder_add_to_soil(((__pyx_v_water2[__pyx_v_x])[__pyx_v_y]).sediment, ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).sediment);
}
__pyx_L105:;
}
}
1256:
1257:
1258: # update sediment again
+1259: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+1260: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
+1261: water[x][y] = water2[x][y]
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]) = ((__pyx_v_water2[__pyx_v_x])[__pyx_v_y]);
}
}
1262:
1263:
1264: ######################################################
1265: # WETNESS
1266: ######################################################
1267:
+1268: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+1269: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
+1270: if water[x][y].height > 0.0:
__pyx_t_31 = (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height > 0.0);
if (__pyx_t_31) {
/* … */
goto __pyx_L116;
}
+1271: wet[x][y] += delta_t * water[x][y].height
__pyx_t_52 = __pyx_v_x;
__pyx_t_39 = __pyx_v_y;
*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_wet.data + __pyx_t_52 * __pyx_v_wet.strides[0]) )) + __pyx_t_39)) )) += (__pyx_v_delta_t * ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height);
1272: else:
+1273: wet[x][y] *= 0.5**delta_t
/*else*/ {
__pyx_t_39 = __pyx_v_x;
__pyx_t_52 = __pyx_v_y;
*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_wet.data + __pyx_t_39 * __pyx_v_wet.strides[0]) )) + __pyx_t_52)) )) *= pow(0.5, __pyx_v_delta_t);
}
__pyx_L116:;
}
}
1274:
1275: ######################################################
1276: # VEGETATION
1277: ######################################################
1278:
+1279: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+1280: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
1281: # dying
+1282: if wet[x][y] > 1.0:
__pyx_t_52 = __pyx_v_x;
__pyx_t_39 = __pyx_v_y;
__pyx_t_31 = ((*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_wet.data + __pyx_t_52 * __pyx_v_wet.strides[0]) )) + __pyx_t_39)) ))) > 1.0);
if (__pyx_t_31) {
/* … */
goto __pyx_L121;
}
1283: # death from floods
+1284: vegetation[x][y] = 0.0
__pyx_t_39 = __pyx_v_x;
__pyx_t_52 = __pyx_v_y;
*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_39 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_52)) )) = 0.0;
+1285: elif terrain[x][y].topsoil.organic + terrain[x][y].subsoil.organic == 0.0:
__pyx_t_31 = ((((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil.organic + ((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil.organic) == 0.0);
if (__pyx_t_31) {
/* … */
goto __pyx_L121;
}
1286: # death from no soil
+1287: vegetation[x][y] = 0.0
__pyx_t_52 = __pyx_v_x;
__pyx_t_39 = __pyx_v_y;
*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_52 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_39)) )) = 0.0;
1288: else:
1289: # growing
1290: #if vegetation[x][y] == 0.0:
1291:
1292: # count neighbors
+1293: neighbor_vegetation = 0.0
/*else*/ {
__pyx_v_neighbor_vegetation = 0.0;
+1294: for si in range(-1, 2):
for (__pyx_t_36 = -1; __pyx_t_36 < 2; __pyx_t_36+=1) {
__pyx_v_si = __pyx_t_36;
+1295: for sj in range(-1, 2):
for (__pyx_t_55 = -1; __pyx_t_55 < 2; __pyx_t_55+=1) {
__pyx_v_sj = __pyx_t_55;
+1296: neighbor_vegetation += vegetation[mod(x + si, size_x)][mod(y + sj, size_y)]
__pyx_t_38 = __pyx_f_6eroder_mod((__pyx_v_x + __pyx_v_si), __pyx_v_size_x); if (unlikely(__pyx_t_38 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1296, __pyx_L1_error) __pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_y + __pyx_v_sj), __pyx_v_size_y); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1296, __pyx_L1_error) __pyx_t_39 = __pyx_t_38; __pyx_t_52 = __pyx_t_44; __pyx_v_neighbor_vegetation = (__pyx_v_neighbor_vegetation + (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_39 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_52)) )))); } }
1297:
1298: # soil conditions
+1299: average_soil_shallow = get_soil_sample(terrain[x][y], 0.25)
__pyx_v_average_soil_shallow = __pyx_f_6eroder_get_soil_sample(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]), 0.25);
+1300: average_soil_deep = get_soil_sample(terrain[x][y], 2.0)
__pyx_v_average_soil_deep = __pyx_f_6eroder_get_soil_sample(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]), 2.0);
1301:
1302: # set to 1 if greater than 1
+1303: if get_soil_height(average_soil_shallow) > 1:
__pyx_t_31 = (__pyx_f_6eroder_get_soil_height(__pyx_v_average_soil_shallow) > 1.0);
if (__pyx_t_31) {
/* … */
}
+1304: average_soil_shallow = normalized(average_soil_shallow)
__pyx_v_average_soil_shallow = __pyx_f_6eroder_normalized(__pyx_v_average_soil_shallow);
1305:
+1306: if get_soil_height(average_soil_deep) > 1:
__pyx_t_31 = (__pyx_f_6eroder_get_soil_height(__pyx_v_average_soil_deep) > 1.0);
if (__pyx_t_31) {
/* … */
}
+1307: average_soil_deep = normalized(average_soil_deep)
__pyx_v_average_soil_deep = __pyx_f_6eroder_normalized(__pyx_v_average_soil_deep);
1308:
+1309: rocks_shallow = 0.0
__pyx_v_rocks_shallow = 0.0;
+1310: for i in range(4):
for (__pyx_t_44 = 0; __pyx_t_44 < 4; __pyx_t_44+=1) {
__pyx_v_i = __pyx_t_44;
+1311: rocks_shallow += ROCK_VEGETATION_MULIPLITER[i] * average_soil_shallow.rocks[i]
__pyx_v_rocks_shallow = (__pyx_v_rocks_shallow + ((__pyx_v_6eroder_ROCK_VEGETATION_MULIPLITER[__pyx_v_i]) * (__pyx_v_average_soil_shallow.rocks[__pyx_v_i])));
}
1312:
+1313: rocks_deep = 0.0
__pyx_v_rocks_deep = 0.0;
+1314: for i in range(4):
for (__pyx_t_44 = 0; __pyx_t_44 < 4; __pyx_t_44+=1) {
__pyx_v_i = __pyx_t_44;
+1315: rocks_deep += ROCK_VEGETATION_MULIPLITER[i] * average_soil_deep.rocks[i]
__pyx_v_rocks_deep = (__pyx_v_rocks_deep + ((__pyx_v_6eroder_ROCK_VEGETATION_MULIPLITER[__pyx_v_i]) * (__pyx_v_average_soil_deep.rocks[__pyx_v_i])));
}
1316:
1317: # how good the soil is for the plants
+1318: soil_conditions = (1 - vegetation[x][y]) * (ORGANIC_VEGETATION_MULIPLITER * average_soil_shallow.organic + rocks_shallow) + vegetation[x][y] * (ORGANIC_VEGETATION_MULIPLITER * average_soil_deep.organic + rocks_deep) - vegetation_base
__pyx_t_52 = __pyx_v_x;
__pyx_t_39 = __pyx_v_y;
__pyx_t_40 = __pyx_v_x;
__pyx_t_47 = __pyx_v_y;
__pyx_v_soil_conditions = ((((1.0 - (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_52 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_39)) )))) * ((__pyx_v_6eroder_ORGANIC_VEGETATION_MULIPLITER * __pyx_v_average_soil_shallow.organic) + __pyx_v_rocks_shallow)) + ((*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_40 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_47)) ))) * ((__pyx_v_6eroder_ORGANIC_VEGETATION_MULIPLITER * __pyx_v_average_soil_deep.organic) + __pyx_v_rocks_deep))) - __pyx_v_vegetation_base);
1319:
+1320: vegetation2[x][y] = min(max(0.0, vegetation[x][y] + random(0, 1) * delta_t * vegetation_spread_speed * (soil_conditions - 0.8 * vegetation[x][y] + NEIGHBOR_VEGETATION_MULTIPLIER * neighbor_vegetation)), 1.0)
__pyx_t_53 = 1.0;
__pyx_t_47 = __pyx_v_x;
__pyx_t_40 = __pyx_v_y;
__pyx_t_56.__pyx_n = 2;
__pyx_t_56.low = 0.0;
__pyx_t_56.high = 1.0;
__pyx_t_45 = __pyx_f_6eroder_random(&__pyx_t_56); if (unlikely(__pyx_t_45 == ((double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1320, __pyx_L1_error)
__pyx_t_39 = __pyx_v_x;
__pyx_t_52 = __pyx_v_y;
__pyx_t_30 = ((*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_47 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_40)) ))) + (((__pyx_t_45 * __pyx_v_delta_t) * __pyx_v_vegetation_spread_speed) * ((__pyx_v_soil_conditions - (0.8 * (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_39 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_52)) ))))) + (__pyx_v_6eroder_NEIGHBOR_VEGETATION_MULTIPLIER * __pyx_v_neighbor_vegetation))));
__pyx_t_45 = 0.0;
__pyx_t_31 = (__pyx_t_30 > __pyx_t_45);
if (__pyx_t_31) {
__pyx_t_46 = __pyx_t_30;
} else {
__pyx_t_46 = __pyx_t_45;
}
__pyx_t_30 = __pyx_t_46;
__pyx_t_31 = (__pyx_t_53 < __pyx_t_30);
if (__pyx_t_31) {
__pyx_t_46 = __pyx_t_53;
} else {
__pyx_t_46 = __pyx_t_30;
}
((__pyx_v_vegetation2[__pyx_v_x])[__pyx_v_y]) = __pyx_t_46;
}
__pyx_L121:;
}
}
1321:
+1322: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+1323: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
+1324: vegetation[x][y] = vegetation2[x][y]
__pyx_t_52 = __pyx_v_x;
__pyx_t_39 = __pyx_v_y;
*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_52 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_39)) )) = ((__pyx_v_vegetation2[__pyx_v_x])[__pyx_v_y]);
}
}
1325:
1326: ######################################################
1327: # ROCK CONVERSION
1328: ######################################################
1329:
1330:
+1331: for x in range(size_x):
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_x = __pyx_t_27;
+1332: for y in range(size_y):
__pyx_t_32 = __pyx_v_size_y;
__pyx_t_33 = __pyx_t_32;
for (__pyx_t_37 = 0; __pyx_t_37 < __pyx_t_33; __pyx_t_37+=1) {
__pyx_v_y = __pyx_t_37;
+1333: if vegetation[x][y] > 0.0:
__pyx_t_39 = __pyx_v_x;
__pyx_t_52 = __pyx_v_y;
__pyx_t_31 = ((*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_39 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_52)) ))) > 0.0);
if (__pyx_t_31) {
/* … */
}
}
}
}
1334: # change soil rocks into organic or break them down
+1335: terrain[x][y].topsoil = organification(terrain[x][y].topsoil, vegetation[x][y], organification_speed, delta_t)
__pyx_t_52 = __pyx_v_x;
__pyx_t_39 = __pyx_v_y;
((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil = __pyx_f_6eroder_organification(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil, (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_52 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_39)) ))), __pyx_v_organification_speed, __pyx_v_delta_t);
+1336: terrain[x][y].subsoil = organification(terrain[x][y].subsoil, vegetation[x][y], organification_speed, delta_t)
__pyx_t_39 = __pyx_v_x;
__pyx_t_52 = __pyx_v_y;
((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil = __pyx_f_6eroder_organification(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil, (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_39 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_52)) ))), __pyx_v_organification_speed, __pyx_v_delta_t);
1337:
1338: # change bedrock into soil
+1339: bedrock_depth = get_soil_height(terrain[x][y].topsoil) + get_soil_height(terrain[x][y].subsoil)
__pyx_v_bedrock_depth = (__pyx_f_6eroder_get_soil_height(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil) + __pyx_f_6eroder_get_soil_height(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil));
+1340: if bedrock_depth <= 4.0:
__pyx_t_31 = (__pyx_v_bedrock_depth <= 4.0);
if (__pyx_t_31) {
/* … */
}
1341: # first nonempty
+1342: index = 0
__Pyx_INCREF(__pyx_int_0); __Pyx_XDECREF_SET(__pyx_v_index, __pyx_int_0);
+1343: while terrain[x][y].bedrock[index].height <= 0.0:
while (1) {
__pyx_t_57 = __Pyx_PyInt_As_size_t(__pyx_v_index); if (unlikely((__pyx_t_57 == (size_t)-1) && PyErr_Occurred())) __PYX_ERR(0, 1343, __pyx_L1_error)
__pyx_t_31 = ((((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock[__pyx_t_57]).height <= 0.0);
if (!__pyx_t_31) break;
+1344: index += 1
__pyx_t_5 = __Pyx_PyInt_AddObjC(__pyx_v_index, __pyx_int_1, 1, 1, 0); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1344, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_DECREF_SET(__pyx_v_index, __pyx_t_5); __pyx_t_5 = 0; }
1345:
+1346: amount = min(delta_t * vegetation[x][y] * 0.01 * soilification_speed * BEDROCK_CONVERSION_RATE[terrain[x][y].bedrock[index].type], terrain[x][y].bedrock[index].height)
__pyx_t_57 = __Pyx_PyInt_As_size_t(__pyx_v_index); if (unlikely((__pyx_t_57 == (size_t)-1) && PyErr_Occurred())) __PYX_ERR(0, 1346, __pyx_L1_error) __pyx_t_46 = (((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock[__pyx_t_57]).height; __pyx_t_52 = __pyx_v_x; __pyx_t_39 = __pyx_v_y; __pyx_t_57 = __Pyx_PyInt_As_size_t(__pyx_v_index); if (unlikely((__pyx_t_57 == (size_t)-1) && PyErr_Occurred())) __PYX_ERR(0, 1346, __pyx_L1_error) __pyx_t_53 = ((((__pyx_v_delta_t * (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_52 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_39)) )))) * 0.01) * __pyx_v_soilification_speed) * (__pyx_v_6eroder_BEDROCK_CONVERSION_RATE[(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock[__pyx_t_57]).type])); __pyx_t_31 = (__pyx_t_46 < __pyx_t_53); if (__pyx_t_31) { __pyx_t_30 = __pyx_t_46; } else { __pyx_t_30 = __pyx_t_53; } __pyx_t_5 = PyFloat_FromDouble(__pyx_t_30); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1346, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_XDECREF_SET(__pyx_v_amount, __pyx_t_5); __pyx_t_5 = 0;
+1347: soil = soil_fraction(BEDROCK_CONVERT_TO[terrain[x][y].bedrock[index].type], amount)
__pyx_t_57 = __Pyx_PyInt_As_size_t(__pyx_v_index); if (unlikely((__pyx_t_57 == (size_t)-1) && PyErr_Occurred())) __PYX_ERR(0, 1347, __pyx_L1_error) __pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_v_amount); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1347, __pyx_L1_error) __pyx_v_soil = __pyx_f_6eroder_soil_fraction((__pyx_v_6eroder_BEDROCK_CONVERT_TO[(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock[__pyx_t_57]).type]), __pyx_t_30);
1348:
1349: # transfer soil
+1350: terrain[x][y].bedrock[index].height -= amount
__pyx_t_44 = __pyx_v_x;
__pyx_t_38 = __pyx_v_y;
__pyx_t_57 = __Pyx_PyInt_As_size_t(__pyx_v_index); if (unlikely((__pyx_t_57 == (size_t)-1) && PyErr_Occurred())) __PYX_ERR(0, 1350, __pyx_L1_error)
__pyx_t_5 = PyFloat_FromDouble((((__pyx_v_terrain[__pyx_t_44])[__pyx_t_38]).bedrock[__pyx_t_57]).height); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1350, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_5);
__pyx_t_2 = PyNumber_InPlaceSubtract(__pyx_t_5, __pyx_v_amount); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1350, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
__Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
__pyx_t_30 = __pyx_PyFloat_AsDouble(__pyx_t_2); if (unlikely((__pyx_t_30 == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 1350, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
(((__pyx_v_terrain[__pyx_t_44])[__pyx_t_38]).bedrock[__pyx_t_57]).height = __pyx_t_30;
+1351: add_to_soil(terrain[x][y].subsoil, soil)
__pyx_f_6eroder_add_to_soil(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil, __pyx_v_soil);
1352:
1353:
1354:
+1355: print("done")
__pyx_t_2 = __Pyx_PyObject_Call(__pyx_builtin_print, __pyx_tuple__15, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1355, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; /* … */ __pyx_tuple__15 = PyTuple_Pack(1, __pyx_n_u_done); if (unlikely(!__pyx_tuple__15)) __PYX_ERR(0, 1355, __pyx_L1_error) __Pyx_GOTREF(__pyx_tuple__15); __Pyx_GIVEREF(__pyx_tuple__15);
1356:
1357: # timing
+1358: cdef time_t time_end = time(NULL)
__pyx_v_time_end = time(NULL);
+1359: print("The cycle took " + str(time_end - time_start) + " seconds, or " + str((time_end - time_start) / (1.0 * steps)) + " seconds per step")
__pyx_t_2 = __Pyx_PyInt_From_time_t((__pyx_v_time_end - __pyx_v_time_start)); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1359, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __pyx_t_5 = __Pyx_PyObject_Str(__pyx_t_2); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1359, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = PyNumber_Add(__pyx_kp_u_The_cycle_took, __pyx_t_5); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1359, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __pyx_t_5 = __Pyx_PyUnicode_ConcatInPlace(__pyx_t_2, __pyx_kp_u_seconds_or); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1359, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = PyFloat_FromDouble((((double)(__pyx_v_time_end - __pyx_v_time_start)) / (1.0 * __pyx_v_steps))); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1359, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __pyx_t_3 = __Pyx_PyObject_Str(__pyx_t_2); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1359, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = PyNumber_Add(__pyx_t_5, __pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1359, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_t_3 = __Pyx_PyUnicode_ConcatInPlace(__pyx_t_2, __pyx_kp_u_seconds_per_step); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1359, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = __Pyx_PyObject_CallOneArg(__pyx_builtin_print, __pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1359, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
1360:
1361: #####################################
1362: # POSTPROCESSING (misusing the name, I know)
1363:
1364: # visually lower water which is zero in height
+1365: cdef int neighbors_count = 0
__pyx_v_neighbors_count = 0;
+1366: cdef double height_sum = 0.0
__pyx_v_height_sum = 0.0;
+1367: for x in range(size_x):
__pyx_t_17 = __pyx_v_size_x;
__pyx_t_18 = __pyx_t_17;
for (__pyx_t_19 = 0; __pyx_t_19 < __pyx_t_18; __pyx_t_19+=1) {
__pyx_v_x = __pyx_t_19;
+1368: for y in range(size_y):
__pyx_t_29 = __pyx_v_size_y;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_y = __pyx_t_27;
+1369: if water[x][y].height <= 0.0:
__pyx_t_31 = (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height <= 0.0);
if (__pyx_t_31) {
/* … */
}
}
}
1370: # calculate average height of neighbors
+1371: neighbors_count = 0
__pyx_v_neighbors_count = 0;
+1372: height_sum = 0.0
__pyx_v_height_sum = 0.0;
+1373: for si in range(-1, 2):
for (__pyx_t_36 = -1; __pyx_t_36 < 2; __pyx_t_36+=1) {
__pyx_v_si = __pyx_t_36;
+1374: for sj in range(-1, 2):
for (__pyx_t_55 = -1; __pyx_t_55 < 2; __pyx_t_55+=1) {
__pyx_v_sj = __pyx_t_55;
+1375: if water[mod(x+si, size_x)][mod(y+sj, size_y)].height > 0.0:
__pyx_t_32 = __pyx_f_6eroder_mod((__pyx_v_x + __pyx_v_si), __pyx_v_size_x); if (unlikely(__pyx_t_32 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1375, __pyx_L1_error) __pyx_t_33 = __pyx_f_6eroder_mod((__pyx_v_y + __pyx_v_sj), __pyx_v_size_y); if (unlikely(__pyx_t_33 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1375, __pyx_L1_error) __pyx_t_31 = (((__pyx_v_water[__pyx_t_32])[__pyx_t_33]).height > 0.0); if (__pyx_t_31) { /* … */ } } }
+1376: neighbors_count += 1
__pyx_v_neighbors_count = (__pyx_v_neighbors_count + 1);
+1377: height_sum += water[mod(x+si, size_x)][mod(y+sj, size_y)].height + heightmap[mod(x+si, size_x)][mod(y+sj, size_y)]
__pyx_t_33 = __pyx_f_6eroder_mod((__pyx_v_x + __pyx_v_si), __pyx_v_size_x); if (unlikely(__pyx_t_33 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1377, __pyx_L1_error) __pyx_t_32 = __pyx_f_6eroder_mod((__pyx_v_y + __pyx_v_sj), __pyx_v_size_y); if (unlikely(__pyx_t_32 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1377, __pyx_L1_error) __pyx_t_37 = __pyx_f_6eroder_mod((__pyx_v_x + __pyx_v_si), __pyx_v_size_x); if (unlikely(__pyx_t_37 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1377, __pyx_L1_error) __pyx_t_44 = __pyx_f_6eroder_mod((__pyx_v_y + __pyx_v_sj), __pyx_v_size_y); if (unlikely(__pyx_t_44 == ((unsigned int)-1) && PyErr_Occurred())) __PYX_ERR(0, 1377, __pyx_L1_error) __pyx_t_39 = __pyx_t_37; __pyx_t_52 = __pyx_t_44; __pyx_v_height_sum = (__pyx_v_height_sum + (((__pyx_v_water[__pyx_t_33])[__pyx_t_32]).height + (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_39 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_52)) )))));
1378:
1379: # set water height to average of the neighbors, if below 0
+1380: if neighbors_count > 0:
__pyx_t_31 = (__pyx_v_neighbors_count > 0);
if (__pyx_t_31) {
/* … */
}
+1381: water[x][y].height = min(0.0, height_sum / neighbors_count - heightmap[x][y])
__pyx_t_52 = __pyx_v_x;
__pyx_t_39 = __pyx_v_y;
__pyx_t_30 = ((__pyx_v_height_sum / ((double)__pyx_v_neighbors_count)) - (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_heightmap.data + __pyx_t_52 * __pyx_v_heightmap.strides[0]) )) + __pyx_t_39)) ))));
__pyx_t_46 = 0.0;
__pyx_t_31 = (__pyx_t_30 < __pyx_t_46);
if (__pyx_t_31) {
__pyx_t_53 = __pyx_t_30;
} else {
__pyx_t_53 = __pyx_t_46;
}
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height = __pyx_t_53;
1382:
1383: # if all neighbors are dry or too high
+1384: if neighbors_count == 0 or water[x][y].height == 0.0:
__pyx_t_48 = (__pyx_v_neighbors_count == 0);
if (!__pyx_t_48) {
} else {
__pyx_t_31 = __pyx_t_48;
goto __pyx_L156_bool_binop_done;
}
__pyx_t_48 = (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height == 0.0);
__pyx_t_31 = __pyx_t_48;
__pyx_L156_bool_binop_done:;
if (__pyx_t_31) {
/* … */
}
+1385: water[x][y].height = -1.0 # just put it deep down
((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height = -1.0;
1386:
1387:
1388: # create pixel data for images
1389: #cdef cnp.ndarray[cnp.float64_t, ndim=1] _topsoil_texture =
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1391:
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1400:
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1402:
+1403: cdef double[:] texture_water = np.zeros(shape=(4 * size_x * size_y))
__Pyx_GetModuleGlobalName(__pyx_t_5, __pyx_n_s_np); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1403, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_5, __pyx_n_s_zeros); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1403, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __pyx_t_5 = __Pyx_PyDict_NewPresized(1); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1403, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __pyx_t_3 = __Pyx_PyInt_From_long(((4 * __pyx_v_size_x) * __pyx_v_size_y)); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1403, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); if (PyDict_SetItem(__pyx_t_5, __pyx_n_s_shape, __pyx_t_3) < 0) __PYX_ERR(0, 1403, __pyx_L1_error) __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_empty_tuple, __pyx_t_5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1403, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __pyx_t_58 = __Pyx_PyObject_to_MemoryviewSlice_ds_double(__pyx_t_3, PyBUF_WRITABLE); if (unlikely(!__pyx_t_58.memview)) __PYX_ERR(0, 1403, __pyx_L1_error) __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_v_texture_water = __pyx_t_58; __pyx_t_58.memview = NULL; __pyx_t_58.data = NULL;
1404:
+1405: cdef double[:] texture_velocity = np.zeros(shape=(4 * size_x * size_y))
__Pyx_GetModuleGlobalName(__pyx_t_3, __pyx_n_s_np); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1405, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_zeros); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1405, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5); __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_t_3 = __Pyx_PyDict_NewPresized(1); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1405, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_3); __pyx_t_2 = __Pyx_PyInt_From_long(((4 * __pyx_v_size_x) * __pyx_v_size_y)); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1405, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); if (PyDict_SetItem(__pyx_t_3, __pyx_n_s_shape, __pyx_t_2) < 0) __PYX_ERR(0, 1405, __pyx_L1_error) __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_empty_tuple, __pyx_t_3); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1405, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_2); __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0; __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0; __pyx_t_58 = __Pyx_PyObject_to_MemoryviewSlice_ds_double(__pyx_t_2, PyBUF_WRITABLE); if (unlikely(!__pyx_t_58.memview)) __PYX_ERR(0, 1405, __pyx_L1_error) __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0; __pyx_v_texture_velocity = __pyx_t_58; __pyx_t_58.memview = NULL; __pyx_t_58.data = NULL;
1406:
1407: # RGBA
+1408: cdef double[4] color_topsoil = [1.0, 1.0, 0.0, 1.0]
__pyx_t_59[0] = 1.0; __pyx_t_59[1] = 1.0; __pyx_t_59[2] = 0.0; __pyx_t_59[3] = 1.0; memcpy(&(__pyx_v_color_topsoil[0]), __pyx_t_59, sizeof(__pyx_v_color_topsoil[0]) * (4));
1409:
+1410: for x in range(size_x):
__pyx_t_17 = __pyx_v_size_x;
__pyx_t_18 = __pyx_t_17;
for (__pyx_t_19 = 0; __pyx_t_19 < __pyx_t_18; __pyx_t_19+=1) {
__pyx_v_x = __pyx_t_19;
+1411: for y in range(size_y):
__pyx_t_29 = __pyx_v_size_y;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_v_y = __pyx_t_27;
1412: # velocity
+1413: texture_velocity[4 * (x + size_x * y)] = max(min(0.5*sqrt(water[x][y].velocity_y**2 + water[x][y].velocity_x**2), 1.0), 0.0)
__pyx_t_53 = 0.0;
__pyx_t_30 = 1.0;
__pyx_t_46 = (0.5 * sqrt((pow(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).velocity_y, 2.0) + pow(((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).velocity_x, 2.0))));
__pyx_t_31 = (__pyx_t_30 < __pyx_t_46);
if (__pyx_t_31) {
__pyx_t_45 = __pyx_t_30;
} else {
__pyx_t_45 = __pyx_t_46;
}
__pyx_t_30 = __pyx_t_45;
__pyx_t_31 = (__pyx_t_53 > __pyx_t_30);
if (__pyx_t_31) {
__pyx_t_45 = __pyx_t_53;
} else {
__pyx_t_45 = __pyx_t_30;
}
__pyx_t_60 = (4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y)));
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_velocity.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_velocity.data + __pyx_t_60 * __pyx_v_texture_velocity.strides[0]) )) = __pyx_t_45;
+1414: texture_velocity[4 * (x + size_x * y) + 1] = max(min(0.5*water[x][y].velocity_y, 1.0), 0.0)
__pyx_t_45 = 0.0;
__pyx_t_53 = 1.0;
__pyx_t_30 = (0.5 * ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).velocity_y);
__pyx_t_31 = (__pyx_t_53 < __pyx_t_30);
if (__pyx_t_31) {
__pyx_t_46 = __pyx_t_53;
} else {
__pyx_t_46 = __pyx_t_30;
}
__pyx_t_53 = __pyx_t_46;
__pyx_t_31 = (__pyx_t_45 > __pyx_t_53);
if (__pyx_t_31) {
__pyx_t_46 = __pyx_t_45;
} else {
__pyx_t_46 = __pyx_t_53;
}
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 1);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_velocity.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_velocity.data + __pyx_t_60 * __pyx_v_texture_velocity.strides[0]) )) = __pyx_t_46;
+1415: texture_velocity[4 * (x + size_x * y) + 2] = max(min(-0.5*water[x][y].velocity_y, 1.0), 0.0)
__pyx_t_46 = 0.0;
__pyx_t_45 = 1.0;
__pyx_t_53 = (-0.5 * ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).velocity_y);
__pyx_t_31 = (__pyx_t_45 < __pyx_t_53);
if (__pyx_t_31) {
__pyx_t_30 = __pyx_t_45;
} else {
__pyx_t_30 = __pyx_t_53;
}
__pyx_t_45 = __pyx_t_30;
__pyx_t_31 = (__pyx_t_46 > __pyx_t_45);
if (__pyx_t_31) {
__pyx_t_30 = __pyx_t_46;
} else {
__pyx_t_30 = __pyx_t_45;
}
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 2);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_velocity.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_velocity.data + __pyx_t_60 * __pyx_v_texture_velocity.strides[0]) )) = __pyx_t_30;
+1416: texture_velocity[4 * (x + size_x * y) + 3] = 1.0 # Alpha channel
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 3);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_velocity.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_velocity.data + __pyx_t_60 * __pyx_v_texture_velocity.strides[0]) )) = 1.0;
1417:
1418: # topsoil texture
+1419: texture_type[4 * (x + size_x * y) + 1] = min(1.0, get_soil_height(terrain[x][y].topsoil))
__pyx_t_30 = __pyx_f_6eroder_get_soil_height(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil);
__pyx_t_46 = 1.0;
__pyx_t_31 = (__pyx_t_30 < __pyx_t_46);
if (__pyx_t_31) {
__pyx_t_45 = __pyx_t_30;
} else {
__pyx_t_45 = __pyx_t_46;
}
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 1);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_type.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_type.data + __pyx_t_60 * __pyx_v_texture_type.strides[0]) )) = __pyx_t_45;
+1420: texture_type[4 * (x + size_x * y) + 0] = min(1.0, get_soil_height(terrain[x][y].subsoil))
__pyx_t_45 = __pyx_f_6eroder_get_soil_height(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil);
__pyx_t_30 = 1.0;
__pyx_t_31 = (__pyx_t_45 < __pyx_t_30);
if (__pyx_t_31) {
__pyx_t_46 = __pyx_t_45;
} else {
__pyx_t_46 = __pyx_t_30;
}
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 0);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_type.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_type.data + __pyx_t_60 * __pyx_v_texture_type.strides[0]) )) = __pyx_t_46;
+1421: texture_type[4 * (x + size_x * y) + 3] = 1.0 # Alpha channel
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 3);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_type.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_type.data + __pyx_t_60 * __pyx_v_texture_type.strides[0]) )) = 1.0;
1422:
1423: #for i in range(4):
1424: # topsoil_texture[4 * (x + size_x * y) + i] = color_topsoil[i]
1425:
1426:
1427: # material textures
+1428: render_soil = EMPTY_SOIL
__pyx_v_render_soil = __pyx_v_6eroder_EMPTY_SOIL;
+1429: multiplier = 1.0
__pyx_v_multiplier = 1.0;
1430:
1431: # topsoil
+1432: height = get_soil_height(terrain[x][y].topsoil)
__pyx_v_height = __pyx_f_6eroder_get_soil_height(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil);
1433:
+1434: if height > 0.0:
__pyx_t_31 = (__pyx_v_height > 0.0);
if (__pyx_t_31) {
/* … */
}
+1435: render_soil.organic = terrain[x][y].topsoil.organic / height
__pyx_v_render_soil.organic = (((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil.organic / __pyx_v_height);
+1436: for i in range(4):
for (__pyx_t_44 = 0; __pyx_t_44 < 4; __pyx_t_44+=1) {
__pyx_v_i = __pyx_t_44;
+1437: render_soil.rocks[i] = terrain[x][y].topsoil.rocks[i] / height
(__pyx_v_render_soil.rocks[__pyx_v_i]) = ((((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).topsoil.rocks[__pyx_v_i]) / __pyx_v_height);
}
1438: # how transparent
+1439: multiplier *= max(0.0, 1 - (height / LAYER_HEIGHT_TO_BECOME_ERODETHROUGH))
__pyx_t_46 = (1.0 - (__pyx_v_height / __pyx_v_6eroder_LAYER_HEIGHT_TO_BECOME_ERODETHROUGH));
__pyx_t_45 = 0.0;
__pyx_t_31 = (__pyx_t_46 > __pyx_t_45);
if (__pyx_t_31) {
__pyx_t_30 = __pyx_t_46;
} else {
__pyx_t_30 = __pyx_t_45;
}
__pyx_v_multiplier = (__pyx_v_multiplier * __pyx_t_30);
1440:
1441: # subsoil
+1442: height = get_soil_height(terrain[x][y].subsoil)
__pyx_v_height = __pyx_f_6eroder_get_soil_height(((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil);
1443:
+1444: if height > 0.0 and multiplier > 0.0:
__pyx_t_48 = (__pyx_v_height > 0.0);
if (__pyx_t_48) {
} else {
__pyx_t_31 = __pyx_t_48;
goto __pyx_L166_bool_binop_done;
}
__pyx_t_48 = (__pyx_v_multiplier > 0.0);
__pyx_t_31 = __pyx_t_48;
__pyx_L166_bool_binop_done:;
if (__pyx_t_31) {
/* … */
}
+1445: render_soil.organic += terrain[x][y].subsoil.organic / height
__pyx_v_render_soil.organic = (__pyx_v_render_soil.organic + (((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil.organic / __pyx_v_height));
+1446: for i in range(4):
for (__pyx_t_44 = 0; __pyx_t_44 < 4; __pyx_t_44+=1) {
__pyx_v_i = __pyx_t_44;
+1447: render_soil.rocks[i] += multiplier * terrain[x][y].subsoil.rocks[i] / height
__pyx_t_37 = __pyx_v_i;
(__pyx_v_render_soil.rocks[__pyx_t_37]) = ((__pyx_v_render_soil.rocks[__pyx_t_37]) + ((__pyx_v_multiplier * (((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).subsoil.rocks[__pyx_v_i])) / __pyx_v_height));
}
1448: # how transparent
+1449: multiplier *= max(0.0, 1 - (height / LAYER_HEIGHT_TO_BECOME_ERODETHROUGH))
__pyx_t_30 = (1.0 - (__pyx_v_height / __pyx_v_6eroder_LAYER_HEIGHT_TO_BECOME_ERODETHROUGH));
__pyx_t_46 = 0.0;
__pyx_t_31 = (__pyx_t_30 > __pyx_t_46);
if (__pyx_t_31) {
__pyx_t_45 = __pyx_t_30;
} else {
__pyx_t_45 = __pyx_t_46;
}
__pyx_v_multiplier = (__pyx_v_multiplier * __pyx_t_45);
1450:
+1451: render_soil = normalized(render_soil)
__pyx_v_render_soil = __pyx_f_6eroder_normalized(__pyx_v_render_soil);
+1452: render_soil = soil_fraction(render_soil, 1 - multiplier)
__pyx_v_render_soil = __pyx_f_6eroder_soil_fraction(__pyx_v_render_soil, (1.0 - __pyx_v_multiplier));
1453:
1454: # write to textures
+1455: texture_organic[4 * (x + size_x * y)] = render_soil.organic
__pyx_t_45 = __pyx_v_render_soil.organic;
__pyx_t_60 = (4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y)));
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_organic.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_organic.data + __pyx_t_60 * __pyx_v_texture_organic.strides[0]) )) = __pyx_t_45;
+1456: texture_organic[4 * (x + size_x * y) + 1] = render_soil.organic
__pyx_t_45 = __pyx_v_render_soil.organic;
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 1);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_organic.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_organic.data + __pyx_t_60 * __pyx_v_texture_organic.strides[0]) )) = __pyx_t_45;
+1457: texture_organic[4 * (x + size_x * y) + 2] = render_soil.organic
__pyx_t_45 = __pyx_v_render_soil.organic;
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 2);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_organic.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_organic.data + __pyx_t_60 * __pyx_v_texture_organic.strides[0]) )) = __pyx_t_45;
+1458: texture_organic[4 * (x + size_x * y) + 3] = 1.0
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 3);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_organic.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_organic.data + __pyx_t_60 * __pyx_v_texture_organic.strides[0]) )) = 1.0;
1459:
1460:
+1461: texture_rock0[4 * (x + size_x * y)] = render_soil.rocks[0]
__pyx_t_60 = (4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y)));
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock0.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock0.data + __pyx_t_60 * __pyx_v_texture_rock0.strides[0]) )) = (__pyx_v_render_soil.rocks[0]);
+1462: texture_rock0[4 * (x + size_x * y) + 1] = render_soil.rocks[0]
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 1);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock0.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock0.data + __pyx_t_60 * __pyx_v_texture_rock0.strides[0]) )) = (__pyx_v_render_soil.rocks[0]);
+1463: texture_rock0[4 * (x + size_x * y) + 2] = render_soil.rocks[0]
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 2);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock0.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock0.data + __pyx_t_60 * __pyx_v_texture_rock0.strides[0]) )) = (__pyx_v_render_soil.rocks[0]);
+1464: texture_rock0[4 * (x + size_x * y) + 3] = 1.0
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 3);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock0.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock0.data + __pyx_t_60 * __pyx_v_texture_rock0.strides[0]) )) = 1.0;
1465:
+1466: texture_rock1[4 * (x + size_x * y)] = render_soil.rocks[1]
__pyx_t_60 = (4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y)));
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock1.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock1.data + __pyx_t_60 * __pyx_v_texture_rock1.strides[0]) )) = (__pyx_v_render_soil.rocks[1]);
+1467: texture_rock1[4 * (x + size_x * y) + 1] = render_soil.rocks[1]
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 1);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock1.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock1.data + __pyx_t_60 * __pyx_v_texture_rock1.strides[0]) )) = (__pyx_v_render_soil.rocks[1]);
+1468: texture_rock1[4 * (x + size_x * y) + 2] = render_soil.rocks[1]
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 2);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock1.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock1.data + __pyx_t_60 * __pyx_v_texture_rock1.strides[0]) )) = (__pyx_v_render_soil.rocks[1]);
+1469: texture_rock1[4 * (x + size_x * y) + 3] = 1.0
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 3);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock1.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock1.data + __pyx_t_60 * __pyx_v_texture_rock1.strides[0]) )) = 1.0;
1470:
+1471: texture_rock2[4 * (x + size_x * y)] = render_soil.rocks[2]
__pyx_t_60 = (4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y)));
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock2.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock2.data + __pyx_t_60 * __pyx_v_texture_rock2.strides[0]) )) = (__pyx_v_render_soil.rocks[2]);
+1472: texture_rock2[4 * (x + size_x * y) + 1] = render_soil.rocks[2]
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 1);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock2.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock2.data + __pyx_t_60 * __pyx_v_texture_rock2.strides[0]) )) = (__pyx_v_render_soil.rocks[2]);
+1473: texture_rock2[4 * (x + size_x * y) + 2] = render_soil.rocks[2]
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 2);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock2.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock2.data + __pyx_t_60 * __pyx_v_texture_rock2.strides[0]) )) = (__pyx_v_render_soil.rocks[2]);
+1474: texture_rock2[4 * (x + size_x * y) + 3] = 1.0
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 3);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock2.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock2.data + __pyx_t_60 * __pyx_v_texture_rock2.strides[0]) )) = 1.0;
1475:
+1476: texture_rock3[4 * (x + size_x * y)] = render_soil.rocks[3]
__pyx_t_60 = (4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y)));
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock3.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock3.data + __pyx_t_60 * __pyx_v_texture_rock3.strides[0]) )) = (__pyx_v_render_soil.rocks[3]);
+1477: texture_rock3[4 * (x + size_x * y) + 1] = render_soil.rocks[3]
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 1);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock3.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock3.data + __pyx_t_60 * __pyx_v_texture_rock3.strides[0]) )) = (__pyx_v_render_soil.rocks[3]);
+1478: texture_rock3[4 * (x + size_x * y) + 2] = render_soil.rocks[3]
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 2);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock3.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock3.data + __pyx_t_60 * __pyx_v_texture_rock3.strides[0]) )) = (__pyx_v_render_soil.rocks[3]);
+1479: texture_rock3[4 * (x + size_x * y) + 3] = 1.0
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 3);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_rock3.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_rock3.data + __pyx_t_60 * __pyx_v_texture_rock3.strides[0]) )) = 1.0;
1480:
1481: # water and wetness
+1482: if water[x][y].height > 0.0:
__pyx_t_31 = (((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height > 0.0);
if (__pyx_t_31) {
/* … */
}
+1483: texture_water[4 * (x + size_x * y)] = min(water[x][y].height, 1.0)
__pyx_t_45 = 1.0;
__pyx_t_30 = ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height;
__pyx_t_31 = (__pyx_t_45 < __pyx_t_30);
if (__pyx_t_31) {
__pyx_t_46 = __pyx_t_45;
} else {
__pyx_t_46 = __pyx_t_30;
}
__pyx_t_60 = (4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y)));
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_water.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_water.data + __pyx_t_60 * __pyx_v_texture_water.strides[0]) )) = __pyx_t_46;
+1484: texture_water[4 * (x + size_x * y) + 1] = min(water[x][y].height, 1.0)
__pyx_t_46 = 1.0;
__pyx_t_45 = ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height;
__pyx_t_31 = (__pyx_t_46 < __pyx_t_45);
if (__pyx_t_31) {
__pyx_t_30 = __pyx_t_46;
} else {
__pyx_t_30 = __pyx_t_45;
}
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 1);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_water.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_water.data + __pyx_t_60 * __pyx_v_texture_water.strides[0]) )) = __pyx_t_30;
+1485: texture_water[4 * (x + size_x * y) + 2] = min(water[x][y].height, 1.0)
__pyx_t_30 = 1.0;
__pyx_t_46 = ((__pyx_v_water[__pyx_v_x])[__pyx_v_y]).height;
__pyx_t_31 = (__pyx_t_30 < __pyx_t_46);
if (__pyx_t_31) {
__pyx_t_45 = __pyx_t_30;
} else {
__pyx_t_45 = __pyx_t_46;
}
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 2);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_water.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_water.data + __pyx_t_60 * __pyx_v_texture_water.strides[0]) )) = __pyx_t_45;
+1486: texture_water[4 * (x + size_x * y) + 3] = 1.0
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 3);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_water.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_water.data + __pyx_t_60 * __pyx_v_texture_water.strides[0]) )) = 1.0;
1487:
1488:
1489:
1490: # bedrock
+1491: if multiplier > 0.0:
__pyx_t_31 = (__pyx_v_multiplier > 0.0);
if (__pyx_t_31) {
/* … */
}
1492: # first non-empty
+1493: i = 0
__pyx_v_i = 0;
+1494: while terrain[x][y].bedrock[i].height <= 0.0:
while (1) {
__pyx_t_31 = ((((__pyx_v_terrain[__pyx_v_x])[__pyx_v_y]).bedrock[__pyx_v_i]).height <= 0.0);
if (!__pyx_t_31) break;
+1495: i += 1
__pyx_v_i = (__pyx_v_i + 1);
}
1496:
+1497: if i == 0:
switch (__pyx_v_i) {
case 0:
/* … */
break;
case 1:
+1498: texture_bedrock0[4 * (x + size_x * y)] = multiplier
__pyx_t_60 = (4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y)));
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_bedrock0.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_bedrock0.data + __pyx_t_60 * __pyx_v_texture_bedrock0.strides[0]) )) = __pyx_v_multiplier;
+1499: texture_bedrock0[4 * (x + size_x * y) + 1] = multiplier
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 1);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_bedrock0.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_bedrock0.data + __pyx_t_60 * __pyx_v_texture_bedrock0.strides[0]) )) = __pyx_v_multiplier;
+1500: texture_bedrock0[4 * (x + size_x * y) + 2] = multiplier
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 2);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_bedrock0.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_bedrock0.data + __pyx_t_60 * __pyx_v_texture_bedrock0.strides[0]) )) = __pyx_v_multiplier;
+1501: elif i == 1:
break;
case 2:
+1502: texture_bedrock1[4 * (x + size_x * y)] = multiplier
__pyx_t_60 = (4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y)));
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_bedrock1.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_bedrock1.data + __pyx_t_60 * __pyx_v_texture_bedrock1.strides[0]) )) = __pyx_v_multiplier;
+1503: texture_bedrock1[4 * (x + size_x * y) + 1] = multiplier
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 1);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_bedrock1.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_bedrock1.data + __pyx_t_60 * __pyx_v_texture_bedrock1.strides[0]) )) = __pyx_v_multiplier;
+1504: texture_bedrock1[4 * (x + size_x * y) + 2] = multiplier
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 2);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_bedrock1.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_bedrock1.data + __pyx_t_60 * __pyx_v_texture_bedrock1.strides[0]) )) = __pyx_v_multiplier;
+1505: elif i == 2:
break;
default: break;
}
+1506: texture_bedrock2[4 * (x + size_x * y)] = multiplier
__pyx_t_60 = (4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y)));
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_bedrock2.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_bedrock2.data + __pyx_t_60 * __pyx_v_texture_bedrock2.strides[0]) )) = __pyx_v_multiplier;
+1507: texture_bedrock2[4 * (x + size_x * y) + 1] = multiplier
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 1);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_bedrock2.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_bedrock2.data + __pyx_t_60 * __pyx_v_texture_bedrock2.strides[0]) )) = __pyx_v_multiplier;
+1508: texture_bedrock2[4 * (x + size_x * y) + 2] = multiplier
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 2);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_bedrock2.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_bedrock2.data + __pyx_t_60 * __pyx_v_texture_bedrock2.strides[0]) )) = __pyx_v_multiplier;
+1509: texture_bedrock0[4 * (x + size_x * y) + 3] = 1.0 # transparency
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 3);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_bedrock0.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_bedrock0.data + __pyx_t_60 * __pyx_v_texture_bedrock0.strides[0]) )) = 1.0;
+1510: texture_bedrock1[4 * (x + size_x * y) + 3] = 1.0 # transparency
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 3);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_bedrock1.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_bedrock1.data + __pyx_t_60 * __pyx_v_texture_bedrock1.strides[0]) )) = 1.0;
+1511: texture_bedrock2[4 * (x + size_x * y) + 3] = 1.0 # transparency
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 3);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_bedrock2.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_bedrock2.data + __pyx_t_60 * __pyx_v_texture_bedrock2.strides[0]) )) = 1.0;
1512:
1513:
1514: # vegetation
+1515: texture_vegetation[4 * (x + size_x * y)] = vegetation[x][y]
__pyx_t_39 = __pyx_v_x;
__pyx_t_52 = __pyx_v_y;
__pyx_t_60 = (4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y)));
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_vegetation.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_vegetation.data + __pyx_t_60 * __pyx_v_texture_vegetation.strides[0]) )) = (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_39 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_52)) )));
+1516: texture_vegetation[4 * (x + size_x * y) + 1] = vegetation[x][y]
__pyx_t_52 = __pyx_v_x;
__pyx_t_39 = __pyx_v_y;
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 1);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_vegetation.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_vegetation.data + __pyx_t_60 * __pyx_v_texture_vegetation.strides[0]) )) = (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_52 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_39)) )));
+1517: texture_vegetation[4 * (x + size_x * y) + 2] = vegetation[x][y]
__pyx_t_39 = __pyx_v_x;
__pyx_t_52 = __pyx_v_y;
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 2);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_vegetation.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_vegetation.data + __pyx_t_60 * __pyx_v_texture_vegetation.strides[0]) )) = (*((double *) ( /* dim=1 */ ((char *) (((double *) ( /* dim=0 */ (__pyx_v_vegetation.data + __pyx_t_39 * __pyx_v_vegetation.strides[0]) )) + __pyx_t_52)) )));
+1518: texture_vegetation[4 * (x + size_x * y) + 3] = 1.0
__pyx_t_60 = ((4 * (__pyx_v_x + (__pyx_v_size_x * __pyx_v_y))) + 3);
if (__pyx_t_60 < 0) __pyx_t_60 += __pyx_v_texture_vegetation.shape[0];
*((double *) ( /* dim=0 */ (__pyx_v_texture_vegetation.data + __pyx_t_60 * __pyx_v_texture_vegetation.strides[0]) )) = 1.0;
}
}
1519:
1520:
1521:
1522: # create Python lists
+1523: _topsoil = [[terrain[x][y].topsoil.rocks[0],
{ /* enter inner scope */
__pyx_t_2 = PyList_New(0); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1523, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
/* … */
__pyx_t_3 = PyFloat_FromDouble((((__pyx_v_terrain[__pyx_7genexpr__pyx_v_x])[__pyx_7genexpr__pyx_v_y]).topsoil.rocks[0])); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1523, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
/* … */
__pyx_t_62 = PyList_New(5); if (unlikely(!__pyx_t_62)) __PYX_ERR(0, 1523, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_62);
__Pyx_GIVEREF(__pyx_t_3);
if (__Pyx_PyList_SET_ITEM(__pyx_t_62, 0, __pyx_t_3)) __PYX_ERR(0, 1523, __pyx_L1_error);
__Pyx_GIVEREF(__pyx_t_5);
if (__Pyx_PyList_SET_ITEM(__pyx_t_62, 1, __pyx_t_5)) __PYX_ERR(0, 1523, __pyx_L1_error);
__Pyx_GIVEREF(__pyx_t_4);
if (__Pyx_PyList_SET_ITEM(__pyx_t_62, 2, __pyx_t_4)) __PYX_ERR(0, 1523, __pyx_L1_error);
__Pyx_GIVEREF(__pyx_t_1);
if (__Pyx_PyList_SET_ITEM(__pyx_t_62, 3, __pyx_t_1)) __PYX_ERR(0, 1523, __pyx_L1_error);
__Pyx_GIVEREF(__pyx_t_61);
if (__Pyx_PyList_SET_ITEM(__pyx_t_62, 4, __pyx_t_61)) __PYX_ERR(0, 1523, __pyx_L1_error);
__pyx_t_3 = 0;
__pyx_t_5 = 0;
__pyx_t_4 = 0;
__pyx_t_1 = 0;
__pyx_t_61 = 0;
if (unlikely(__Pyx_ListComp_Append(__pyx_t_2, (PyObject*)__pyx_t_62))) __PYX_ERR(0, 1523, __pyx_L1_error)
__Pyx_DECREF(__pyx_t_62); __pyx_t_62 = 0;
}
}
} /* exit inner scope */
__Pyx_DECREF_SET(__pyx_v__topsoil, ((PyObject*)__pyx_t_2));
__pyx_t_2 = 0;
+1524: terrain[x][y].topsoil.rocks[1],
__pyx_t_5 = PyFloat_FromDouble((((__pyx_v_terrain[__pyx_7genexpr__pyx_v_x])[__pyx_7genexpr__pyx_v_y]).topsoil.rocks[1])); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 1524, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_5);
+1525: terrain[x][y].topsoil.rocks[2],
__pyx_t_4 = PyFloat_FromDouble((((__pyx_v_terrain[__pyx_7genexpr__pyx_v_x])[__pyx_7genexpr__pyx_v_y]).topsoil.rocks[2])); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 1525, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_4);
+1526: terrain[x][y].topsoil.rocks[3],
__pyx_t_1 = PyFloat_FromDouble((((__pyx_v_terrain[__pyx_7genexpr__pyx_v_x])[__pyx_7genexpr__pyx_v_y]).topsoil.rocks[3])); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 1526, __pyx_L1_error) __Pyx_GOTREF(__pyx_t_1);
+1527: terrain[x][y].topsoil.organic] for y in range(size_y) for x in range(size_x)]
__pyx_t_17 = __pyx_v_size_y;
__pyx_t_18 = __pyx_t_17;
for (__pyx_t_19 = 0; __pyx_t_19 < __pyx_t_18; __pyx_t_19+=1) {
__pyx_7genexpr__pyx_v_y = __pyx_t_19;
__pyx_t_29 = __pyx_v_size_x;
__pyx_t_28 = __pyx_t_29;
for (__pyx_t_27 = 0; __pyx_t_27 < __pyx_t_28; __pyx_t_27+=1) {
__pyx_7genexpr__pyx_v_x = __pyx_t_27;
/* … */
__pyx_t_61 = PyFloat_FromDouble(((__pyx_v_terrain[__pyx_7genexpr__pyx_v_x])[__pyx_7genexpr__pyx_v_y]).topsoil.organic); if (unlikely(!__pyx_t_61)) __PYX_ERR(0, 1527, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_61);
1528:
+1529: _subsoil = [[terrain[x][y].subsoil.rocks[0],
{ /* enter inner scope */
__pyx_t_2 = PyList_New(0); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1529, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_2);
/* … */
__pyx_t_62 = PyFloat_FromDouble((((__pyx_v_terrain[__pyx_8genexpr1__pyx_v_x])[__pyx_8genexpr1__pyx_v_y]).subsoil.rocks[0])); if (unlikely(!__pyx_t_62)) __PYX_ERR(0, 1529, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_62);
/* … */
__pyx_t_3 = PyList_New(5); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 1529, __pyx_L1_error)
__Pyx_GOTREF(__pyx_t_3);
__Pyx_GIVEREF(__pyx_t_62);
if (__Pyx_PyList_SET_ITEM(__pyx_t_3, 0, __pyx_t_62)) __PYX_ERR(0, 1529, __pyx_L1_error);
__Pyx_GIVEREF(__pyx_t_61);
if (__Pyx_PyList_SET_ITEM(__pyx_t_3, 1, __pyx_t_61)) __PYX_ERR(0, 1529, __pyx_L1_error);
__Pyx_GIVEREF(__pyx_t_1);
if (__Pyx_PyList_SET_ITEM(__pyx_t_3, 2, __pyx_t_1)) __PYX_ERR(0, 1529, __pyx_L1_error);
__Pyx_GIVEREF(__pyx_t_4);
if (__Pyx_PyList_SET_ITEM(__pyx_t_3, 3, __pyx_t_4)) __PYX_ERR(0, 1529, __pyx_L1_error);
__Pyx_GIVEREF(__pyx_t_5);
if (__Pyx_PyList_SET_ITEM(__pyx_t_3, 4, __pyx_t_5)) __PYX_ERR(0, 1529, __pyx_L1_error);
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