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# SPDX-License-Identifier: GPL-2.0-or-later
# This try block allows for the script to psudo-intelligently select the
# appropriate random to use. If Numpy's random is present it will use that.
# If Numpy's random is not present, it will through a "module not found"
# exception and instead use the slower built-in random that Python has.
try:
from numpy.random import random_integers as randint
from numpy.random import normal as gauss
from numpy.random import (
beta,
uniform,
)
except:
from random import (
randint,
gauss,
uniform,
)
from random import betavariate as beta
from .utils import skewedGauss
def randomizeTexture(texture, level=1):
'''
Set the values for a texture from parameters.
param: texture - bpy.data.texture to modify.
level - designated tweaked settings to use
-> Below 10 is a displacement texture
-> Between 10 and 20 is a base material texture
'''
noises = ['BLENDER_ORIGINAL', 'ORIGINAL_PERLIN', 'IMPROVED_PERLIN',
'VORONOI_F1', 'VORONOI_F2', 'VORONOI_F3', 'VORONOI_F4',
'VORONOI_F2_F1', 'VORONOI_CRACKLE']
if texture.type == 'CLOUDS':
if randint(0, 1) == 0:
texture.noise_type = 'SOFT_NOISE'
else:
texture.noise_type = 'HARD_NOISE'
if level != 11:
tempInt = randint(0, 6)
else:
tempInt = randint(0, 8)
texture.noise_basis = noises[tempInt]
texture.noise_depth = 8
if level == 0:
texture.noise_scale = gauss(0.625, 1 / 24)
elif level == 2:
texture.noise_scale = 0.15
elif level == 11:
texture.noise_scale = gauss(0.5, 1 / 24)
if texture.noise_basis in ['BLENDER_ORIGINAL', 'ORIGINAL_PERLIN',
'IMPROVED_PERLIN', 'VORONOI_F1']:
texture.intensity = gauss(1, 1 / 6)
texture.contrast = gauss(4, 1 / 3)
elif texture.noise_basis in ['VORONOI_F2', 'VORONOI_F3', 'VORONOI_F4']:
texture.intensity = gauss(0.25, 1 / 12)
texture.contrast = gauss(2, 1 / 6)
elif texture.noise_basis == 'VORONOI_F2_F1':
texture.intensity = gauss(0.5, 1 / 6)
texture.contrast = gauss(2, 1 / 6)
elif texture.noise_basis == 'VORONOI_CRACKLE':
texture.intensity = gauss(0.5, 1 / 6)
texture.contrast = gauss(2, 1 / 6)
elif texture.type == 'MUSGRAVE':
# musgraveType = ['MULTIFRACTAL', 'RIDGED_MULTIFRACTAL',
# 'HYBRID_MULTIFRACTAL', 'FBM', 'HETERO_TERRAIN']
texture.musgrave_type = 'MULTIFRACTAL'
texture.dimension_max = abs(gauss(0, 0.6)) + 0.2
texture.lacunarity = beta(3, 8) * 8.2 + 1.8
if level == 0:
texture.noise_scale = gauss(0.625, 1 / 24)
texture.noise_intensity = 0.2
texture.octaves = 1.0
elif level == 2:
texture.intensity = gauss(1, 1 / 6)
texture.contrast = 0.2
texture.noise_scale = 0.15
texture.octaves = 8.0
elif level == 10:
texture.intensity = gauss(0.25, 1 / 12)
texture.contrast = gauss(1.5, 1 / 6)
texture.noise_scale = 0.5
texture.octaves = 8.0
elif level == 12:
texture.octaves = uniform(1, 3)
elif level > 12:
texture.octaves = uniform(2, 8)
else:
texture.intensity = gauss(1, 1 / 6)
texture.contrast = 0.2
texture.octaves = 8.0
elif texture.type == 'DISTORTED_NOISE':
tempInt = randint(0, 8)
texture.noise_distortion = noises[tempInt]
tempInt = randint(0, 8)
texture.noise_basis = noises[tempInt]
texture.distortion = skewedGauss(2.0, 2.6666, (0.0, 10.0), False)
if level == 0:
texture.noise_scale = gauss(0.625, 1 / 24)
elif level == 2:
texture.noise_scale = 0.15
elif level >= 12:
texture.noise_scale = gauss(0.2, 1 / 48)
elif texture.type == 'STUCCI':
stucciTypes = ['PLASTIC', 'WALL_IN', 'WALL_OUT']
if randint(0, 1) == 0:
texture.noise_type = 'SOFT_NOISE'
else:
texture.noise_type = 'HARD_NOISE'
tempInt = randint(0, 2)
texture.stucci_type = stucciTypes[tempInt]
if level == 0:
tempInt = randint(0, 6)
texture.noise_basis = noises[tempInt]
texture.noise_scale = gauss(0.625, 1 / 24)
elif level == 2:
tempInt = randint(0, 6)
texture.noise_basis = noises[tempInt]
texture.noise_scale = 0.15
elif level >= 12:
tempInt = randint(0, 6)
texture.noise_basis = noises[tempInt]
texture.noise_scale = gauss(0.2, 1 / 30)
else:
tempInt = randint(0, 6)
texture.noise_basis = noises[tempInt]
elif texture.type == 'VORONOI':
metrics = ['DISTANCE', 'DISTANCE_SQUARED', 'MANHATTAN', 'CHEBYCHEV',
'MINKOVSKY_HALF', 'MINKOVSKY_FOUR', 'MINKOVSKY']
# Settings for first displacement level:
if level == 0:
tempInt = randint(0, 1)
texture.distance_metric = metrics[tempInt]
texture.noise_scale = gauss(0.625, 1 / 24)
texture.contrast = 0.5
texture.intensity = 0.7
elif level == 2:
texture.noise_scale = 0.15
tempInt = randint(0, 6)
texture.distance_metric = metrics[tempInt]
elif level >= 12:
tempInt = randint(0, 1)
texture.distance_metric = metrics[tempInt]
texture.noise_scale = gauss(0.125, 1 / 48)
texture.contrast = 0.5
texture.intensity = 0.7
else:
tempInt = randint(0, 6)
texture.distance_metric = metrics[tempInt]
return
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