add_mesh_extra_objects/add_mesh_rocks/randomize_texture.py

   1 # SPDX-FileCopyrightText: 2019-2022 Blender Foundation
   2 #
   3 # SPDX-License-Identifier: GPL-2.0-or-later
   4
   5 # This try block allows for the script to psudo-intelligently select the
   6 # appropriate random to use.  If Numpy's random is present it will use that.
   7 # If Numpy's random is not present, it will through a "module not found"
   8 # exception and instead use the slower built-in random that Python has.
   9 try:
  10     from numpy.random import random_integers as randint
  11     from numpy.random import normal as gauss
  12     from numpy.random import (
  13         beta,
  14         uniform,
  15     )
  16 except:
  17     from random import (
  18         randint,
  19         gauss,
  20         uniform,
  21     )
  22     from random import betavariate as beta
  23
  24 from .utils import skewedGauss
  25
  26
  27 def randomizeTexture(texture, level=1):
  28     '''
  29     Set the values for a texture from parameters.
  30
  31     param: texture - bpy.data.texture to modify.
  32     level   - designated tweaked settings to use
  33     -> Below 10 is a displacement texture
  34     -> Between 10 and 20 is a base material texture
  35     '''
  36     noises = ['BLENDER_ORIGINAL', 'ORIGINAL_PERLIN', 'IMPROVED_PERLIN',
  37               'VORONOI_F1', 'VORONOI_F2', 'VORONOI_F3', 'VORONOI_F4',
  38               'VORONOI_F2_F1', 'VORONOI_CRACKLE']
  39     if texture.type == 'CLOUDS':
  40         if randint(0, 1) == 0:
  41             texture.noise_type = 'SOFT_NOISE'
  42         else:
  43             texture.noise_type = 'HARD_NOISE'
  44         if level != 11:
  45             tempInt = randint(0, 6)
  46         else:
  47             tempInt = randint(0, 8)
  48         texture.noise_basis = noises[tempInt]
  49         texture.noise_depth = 8
  50
  51         if level == 0:
  52             texture.noise_scale = gauss(0.625, 1 / 24)
  53         elif level == 2:
  54             texture.noise_scale = 0.15
  55         elif level == 11:
  56             texture.noise_scale = gauss(0.5, 1 / 24)
  57
  58             if texture.noise_basis in ['BLENDER_ORIGINAL', 'ORIGINAL_PERLIN',
  59                                        'IMPROVED_PERLIN', 'VORONOI_F1']:
  60                 texture.intensity = gauss(1, 1 / 6)
  61                 texture.contrast = gauss(4, 1 / 3)
  62             elif texture.noise_basis in ['VORONOI_F2', 'VORONOI_F3', 'VORONOI_F4']:
  63                 texture.intensity = gauss(0.25, 1 / 12)
  64                 texture.contrast = gauss(2, 1 / 6)
  65             elif texture.noise_basis == 'VORONOI_F2_F1':
  66                 texture.intensity = gauss(0.5, 1 / 6)
  67                 texture.contrast = gauss(2, 1 / 6)
  68             elif texture.noise_basis == 'VORONOI_CRACKLE':
  69                 texture.intensity = gauss(0.5, 1 / 6)
  70                 texture.contrast = gauss(2, 1 / 6)
  71     elif texture.type == 'MUSGRAVE':
  72         # musgraveType = ['MULTIFRACTAL', 'RIDGED_MULTIFRACTAL',
  73         #                 'HYBRID_MULTIFRACTAL', 'FBM', 'HETERO_TERRAIN']
  74         texture.musgrave_type = 'MULTIFRACTAL'
  75         texture.dimension_max = abs(gauss(0, 0.6)) + 0.2
  76         texture.lacunarity = beta(3, 8) * 8.2 + 1.8
  77
  78         if level == 0:
  79             texture.noise_scale = gauss(0.625, 1 / 24)
  80             texture.noise_intensity = 0.2
  81             texture.octaves = 1.0
  82         elif level == 2:
  83             texture.intensity = gauss(1, 1 / 6)
  84             texture.contrast = 0.2
  85             texture.noise_scale = 0.15
  86             texture.octaves = 8.0
  87         elif level == 10:
  88             texture.intensity = gauss(0.25, 1 / 12)
  89             texture.contrast = gauss(1.5, 1 / 6)
  90             texture.noise_scale = 0.5
  91             texture.octaves = 8.0
  92         elif level == 12:
  93             texture.octaves = uniform(1, 3)
  94         elif level > 12:
  95             texture.octaves = uniform(2, 8)
  96         else:
  97             texture.intensity = gauss(1, 1 / 6)
  98             texture.contrast = 0.2
  99             texture.octaves = 8.0
 100     elif texture.type == 'DISTORTED_NOISE':
 101         tempInt = randint(0, 8)
 102         texture.noise_distortion = noises[tempInt]
 103         tempInt = randint(0, 8)
 104         texture.noise_basis = noises[tempInt]
 105         texture.distortion = skewedGauss(2.0, 2.6666, (0.0, 10.0), False)
 106
 107         if level == 0:
 108             texture.noise_scale = gauss(0.625, 1 / 24)
 109         elif level == 2:
 110             texture.noise_scale = 0.15
 111         elif level >= 12:
 112             texture.noise_scale = gauss(0.2, 1 / 48)
 113     elif texture.type == 'STUCCI':
 114         stucciTypes = ['PLASTIC', 'WALL_IN', 'WALL_OUT']
 115         if randint(0, 1) == 0:
 116             texture.noise_type = 'SOFT_NOISE'
 117         else:
 118             texture.noise_type = 'HARD_NOISE'
 119         tempInt = randint(0, 2)
 120         texture.stucci_type = stucciTypes[tempInt]
 121
 122         if level == 0:
 123             tempInt = randint(0, 6)
 124             texture.noise_basis = noises[tempInt]
 125             texture.noise_scale = gauss(0.625, 1 / 24)
 126         elif level == 2:
 127             tempInt = randint(0, 6)
 128             texture.noise_basis = noises[tempInt]
 129             texture.noise_scale = 0.15
 130         elif level >= 12:
 131             tempInt = randint(0, 6)
 132             texture.noise_basis = noises[tempInt]
 133             texture.noise_scale = gauss(0.2, 1 / 30)
 134         else:
 135             tempInt = randint(0, 6)
 136             texture.noise_basis = noises[tempInt]
 137     elif texture.type == 'VORONOI':
 138         metrics = ['DISTANCE', 'DISTANCE_SQUARED', 'MANHATTAN', 'CHEBYCHEV',
 139                    'MINKOVSKY_HALF', 'MINKOVSKY_FOUR', 'MINKOVSKY']
 140         # Settings for first displacement level:
 141         if level == 0:
 142             tempInt = randint(0, 1)
 143             texture.distance_metric = metrics[tempInt]
 144             texture.noise_scale = gauss(0.625, 1 / 24)
 145             texture.contrast = 0.5
 146             texture.intensity = 0.7
 147         elif level == 2:
 148             texture.noise_scale = 0.15
 149             tempInt = randint(0, 6)
 150             texture.distance_metric = metrics[tempInt]
 151         elif level >= 12:
 152             tempInt = randint(0, 1)
 153             texture.distance_metric = metrics[tempInt]
 154             texture.noise_scale = gauss(0.125, 1 / 48)
 155             texture.contrast = 0.5
 156             texture.intensity = 0.7
 157         else:
 158             tempInt = randint(0, 6)
 159             texture.distance_metric = metrics[tempInt]
 160
 161     return