585 lines
16 KiB
Python
585 lines
16 KiB
Python
import bpy
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import bmesh
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from mathutils import Vector
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from math import pi
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from . import utilities_color
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from . import settings
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keywords_low = ['lowpoly','low','lowp','lp','lo'] #excluded 'l' since TexTools v1.4
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keywords_high = ['highpoly','high','highp','hp','hi'] #excluded 'h' since TexTools v1.4
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keywords_cage = ['cage'] #excluded 'c' since TexTools v1.4
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keywords_float = ['floater','float'] #excluded 'f' since TexTools v1.4
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split_chars = [' ','_','.','-']
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if settings.bversion >= 4.0:
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chs = {'ech':26, 'rch':2, 'trch':2, 'ssch':7, 'scch':0, 'mch':1, 'sch':12, 'stch':13, 'ach':14, 'arch':15, 'shch':23, 'shtch':25, 'cch':18, 'crch':19, 'esch':27, 'alch':4}
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else:
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sh = 0 # shift of channels, depends on the Blender version
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if settings.bversion >= 3.0:
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sh = 2
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chs = {'ech':17+sh, 'rch':7+sh, 'ssch':1, 'scch':3, 'mch':4+sh, 'sch':5+sh, 'stch':0, 'shtch':0, 'ach':8+sh, 'arch':9+sh, 'shch':10+sh, 'cch':12+sh, 'crch':13+sh, 'trch':16+sh, 'esch':18+sh, 'alch':19+sh}
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allMaterials = []
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allMaterialsNames = []
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elementsCount = 0
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class BakeMode:
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material = "" #Material name from external blend file
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type = 'EMIT'
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normal_space = 'TANGENT'
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setVColor = None #Set Vertex color method
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color = (0.23, 0.23, 0.23, 1) #Background color
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engine = 'CYCLES' #render engine, by default CYCLES
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composite = None #use composite scene to process end result
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use_project = False #Bake projected?
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invert = False
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relink = {'needed':False}
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params = [] #UI Parameters from scene settings
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def __init__(self, material="", type='EMIT', normal_space='TANGENT', setVColor=None, color= (0.23, 0.23, 0.23, 1), engine='CYCLES', params = [], composite=None, use_project=False, invert=False, relink = {'needed':False}):
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self.material = material
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self.type = type
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self.normal_space = normal_space
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self.setVColor = setVColor
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self.color = color
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self.engine = engine
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self.params = params
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self.composite = composite
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self.use_project = use_project
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self.invert = invert
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self.relink = relink
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def on_select_bake_mode(mode):
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print("Mode changed {}".format(mode))
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if len(settings.sets) > 0:
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name_texture = "{}_{}".format(settings.sets[0].name, mode)
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if name_texture in bpy.data.images:
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image = bpy.data.images[name_texture]
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# Set background image
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for area in bpy.context.screen.areas:
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if area.ui_type == 'UV':
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area.spaces[0].image = image
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def store_bake_settings():
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# Render Settings
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settings.bake_render_engine = bpy.context.scene.render.engine
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settings.bake_cycles_device = bpy.context.scene.cycles.device
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settings.bake_cycles_samples = bpy.context.scene.cycles.samples
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if settings.bversion >= 2.92:
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settings.bake_target_mode = bpy.context.scene.render.bake.target
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if settings.bversion < 3:
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settings.use_progressive_refine = bpy.context.scene.cycles.use_progressive_refine
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if settings.bversion >= 3:
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settings.use_denoising = bpy.context.scene.cycles.use_denoising
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# Disable Objects that are meant to be hidden
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sets = settings.sets
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objects_sets = []
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for bset in sets:
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for obj in bset.objects_low:
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if obj not in objects_sets:
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objects_sets.append(obj)
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for obj in bset.objects_high:
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if obj not in objects_sets:
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objects_sets.append(obj)
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for obj in bset.objects_cage:
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if obj not in objects_sets:
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objects_sets.append(obj)
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settings.bake_objects_hide_render = []
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# for obj in bpy.context.view_layer.objects:
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# if obj.hide_render == False and obj not in objects_sets:
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# Check if layer is active:
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# for l in range(0, len(obj.layers)):
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# if obj.layers[l] and bpy.context.scene.layers[l]:
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# settings.bake_objects_hide_render.append(obj)
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# break #sav
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for obj in settings.bake_objects_hide_render:
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obj.hide_render = True
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# obj.cycles_visibility.shadow = False
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def restore_bake_settings():
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# Render Settings
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if settings.bake_render_engine != '':
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bpy.context.scene.render.engine = settings.bake_render_engine
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bpy.context.scene.cycles.device = settings.bake_cycles_device
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bpy.context.scene.cycles.samples = settings.bake_cycles_samples
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if settings.bversion >= 2.92:
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bpy.context.scene.render.bake.target = settings.bake_target_mode
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if settings.bversion < 3:
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bpy.context.scene.cycles.use_progressive_refine = settings.use_progressive_refine
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if settings.bversion >= 3:
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bpy.context.scene.cycles.use_denoising = settings.use_denoising
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# Restore Objects that were hidden for baking
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for obj in settings.bake_objects_hide_render:
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if obj:
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obj.hide_render = False
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# obj.cycles_visibility.shadow = True
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def get_set_name_base(obj):
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def remove_digits(name):
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# Remove blender naming digits, e.g. cube.001, cube.002,...
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if len(name) > 4 and name[-4] == '.' and name[-3:].isdigit():
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return name[:-4]
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return name
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# Reference parent as base name
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if obj.parent and obj.parent in bpy.context.selected_objects:
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return remove_digits(obj.parent.name).lower()
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# Reference group name as base name
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elif len(obj.users_collection) == 2:
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return remove_digits(obj.users_collection[0].name).lower()
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# Use Object name
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else:
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return remove_digits(obj.name).lower()
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def get_set_name(obj):
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if bpy.context.scene.texToolsSettings.bake_force == "Multi":
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return obj.name
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# Get Basic name
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name = get_set_name_base(obj)
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# Split by ' ','_','.' etc.
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split = name.lower()
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for char in split_chars:
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split = split.replace(char,' ')
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strings = split.split(' ')
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# Remove all keys from name
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keys = keywords_cage + keywords_high + keywords_low + keywords_float
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new_strings = []
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for string in strings:
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is_found = False
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for key in keys:
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if string == key:
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is_found = True
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break
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if not is_found:
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new_strings.append(string)
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elif len(new_strings) > 0:
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# No more strings once key is found if we have already something
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break
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return "_".join(new_strings)
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def get_object_type(obj):
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if bpy.context.scene.texToolsSettings.bake_force == "Multi":
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return 'low'
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name = get_set_name_base(obj)
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# Detect by name pattern
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split = name.lower()
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for char in split_chars:
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split = split.replace(char,' ')
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strings = split.split(' ')
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# Detect float, more rare than low
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for string in strings:
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for key in keywords_float:
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if key == string:
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return 'float'
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# Detect by modifiers (Only if more than 1 object selected)
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if bpy.context.preferences.addons[__package__].preferences.bool_modifier_auto_high:
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if len(bpy.context.selected_objects) > 1:
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if obj.modifiers:
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for modifier in obj.modifiers:
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if modifier.type == 'SUBSURF' and modifier.render_levels > 0:
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return 'high'
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elif modifier.type == 'BEVEL':
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return 'high'
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# Detect High first, more rare
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for string in strings:
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for key in keywords_high:
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if key == string:
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return 'high'
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# Detect cage, more rare than low
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for string in strings:
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for key in keywords_cage:
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if key == string:
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return 'cage'
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# Detect low
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for string in strings:
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for key in keywords_low:
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if key == string:
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return 'low'
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# if nothing was detected, assume it is low
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return 'low'
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def get_baked_images(sets):
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images = []
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for bset in sets:
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name_texture = "{}_".format(bset.name)
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for image in bpy.data.images:
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if name_texture in image.name:
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images.append(image)
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return images
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def get_bake_sets():
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filtered = {}
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if len(bpy.context.selected_objects) == 0:
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if bpy.context.active_object is not None:
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if bpy.context.active_object.mode == 'EDIT' and bpy.context.active_object.type == 'MESH':
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filtered[bpy.context.active_object] = get_object_type(bpy.context.active_object)
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else:
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for obj in bpy.context.selected_objects:
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if obj.type == 'MESH':
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filtered[obj] = get_object_type(obj)
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groups = []
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# Group by names
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for obj in filtered:
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name = get_set_name(obj)
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if not groups:
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groups.append([obj])
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else:
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isFound = False
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for group in groups:
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groupName = get_set_name(group[0])
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if name == groupName:
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group.append(obj)
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isFound = True
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break
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if not isFound:
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groups.append([obj])
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# Sort groups alphabetically
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keys = [get_set_name(group[0]) for group in groups]
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keys.sort()
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sorted_groups = []
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for key in keys:
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for group in groups:
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if key == get_set_name(group[0]):
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sorted_groups.append(group)
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break
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groups = sorted_groups
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bake_sets = []
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for group in groups:
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low = []
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high = []
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cage = []
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float = []
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for obj in group:
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if filtered[obj] == 'low':
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low.append(obj)
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elif filtered[obj] == 'high':
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high.append(obj)
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elif filtered[obj] == 'cage':
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cage.append(obj)
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elif filtered[obj] == 'float':
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float.append(obj)
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name = get_set_name(group[0])
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bake_sets.append(BakeSet(name, low, cage, high, float))
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return bake_sets
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class BakeSet:
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objects_low = [] #low poly geometry
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objects_cage = [] #Cage low poly geometry
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objects_high = [] #High poly geometry
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objects_float = [] #Floating geometry
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name = ""
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has_issues = False
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def __init__(self, name, objects_low, objects_cage, objects_high, objects_float):
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self.objects_low = objects_low
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self.objects_cage = objects_cage
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self.objects_high = objects_high
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self.objects_float = objects_float
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self.name = name
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# Needs low poly objects to bake onto
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if len(objects_low) == 0:
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self.has_issues = True
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# Check Cage Object count to low poly count
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if len(objects_cage) > 0 and len(objects_low) != len(objects_cage):
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self.has_issues = True
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# Check for UV maps
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for obj in objects_low:
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if len(obj.data.uv_layers) == 0:
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self.has_issues = True
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break
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def assign_vertex_color(obj):
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if len(obj.data.vertex_colors) > 0 :
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vclsNames = [vcl.name for vcl in obj.data.vertex_colors]
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if 'TexTools_temp' in vclsNames:
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obj.data.vertex_colors['TexTools_temp'].active = True
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obj.data.vertex_colors['TexTools_temp'].active_render = True
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else:
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obj.data.vertex_colors.new(name='TexTools_temp')
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obj.data.vertex_colors['TexTools_temp'].active = True
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obj.data.vertex_colors['TexTools_temp'].active_render = True
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else:
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obj.data.vertex_colors.new(name='TexTools_temp')
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obj.data.vertex_colors['TexTools_temp'].active = True
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obj.data.vertex_colors['TexTools_temp'].active_render = True
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def setup_vertex_color_selection(obj):
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bpy.ops.object.select_all(action='DESELECT')
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obj.select_set( state = True, view_layer = None)
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bpy.context.view_layer.objects.active = obj
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bpy.ops.object.mode_set(mode='VERTEX_PAINT')
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bpy.context.tool_settings.vertex_paint.brush.color = (0, 0, 0)
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bpy.context.object.data.use_paint_mask = False
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bpy.ops.paint.vertex_color_set()
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bpy.context.tool_settings.vertex_paint.brush.color = (1, 1, 1)
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bpy.context.object.data.use_paint_mask = True
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bpy.ops.paint.vertex_color_set()
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bpy.context.object.data.use_paint_mask = False
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bpy.ops.object.mode_set(mode='OBJECT')
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def setup_vertex_color_dirty(obj):
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bpy.ops.object.select_all(action='DESELECT')
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obj.select_set( state = True, view_layer = None)
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bpy.context.view_layer.objects.active = obj
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bpy.ops.object.mode_set(mode='EDIT')
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# Fill white then,
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bm = bmesh.from_edit_mesh(obj.data)
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if settings.bversion >= 3.4:
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colorLayerIndex = obj.data.attributes.active_color_index
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colorLayer = bm.loops.layers.color[colorLayerIndex]
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else:
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colorLayer = bm.loops.layers.color.active
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color = utilities_color.safe_color( (1, 1, 1) )
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for face in bm.faces:
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for loop in face.loops:
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loop[colorLayer] = color
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obj.data.update()
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bpy.ops.object.mode_set(mode='OBJECT')
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bpy.ops.paint.vertex_color_dirt(dirt_angle=pi/2)
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bpy.ops.paint.vertex_color_dirt()
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def setup_vertex_color_id_material(obj, previous_materials):
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bpy.ops.object.select_all(action='DESELECT')
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obj.select_set( state = True, view_layer = None)
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bpy.context.view_layer.objects.active = obj
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bpy.ops.object.mode_set(mode='EDIT')
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bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='FACE')
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# bm = bmesh.from_edit_mesh(obj.data)
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# colorLayer = bm.loops.layers.color.active
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for i, mtlname in enumerate(previous_materials[obj]):
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if mtlname is not None:
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# Select related faces
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bpy.ops.object.mode_set(mode='EDIT')
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bpy.ops.mesh.select_all(action='DESELECT')
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bm = bmesh.from_edit_mesh(bpy.context.active_object.data)
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for face in bm.faces:
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if face.material_index == i:
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face.select = True
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color = utilities_color.get_color_id(allMaterials.index(bpy.data.materials[mtlname]), 256, jitter=True)
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bpy.ops.object.mode_set(mode='VERTEX_PAINT')
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bpy.context.tool_settings.vertex_paint.brush.color = color
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bpy.context.object.data.use_paint_mask = True
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bpy.ops.paint.vertex_color_set()
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obj.data.update()
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bpy.ops.object.mode_set(mode='OBJECT')
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def setup_vertex_color_id_element(obj):
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bpy.ops.object.select_all(action='DESELECT')
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obj.select_set( state = True, view_layer = None)
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bpy.context.view_layer.objects.active = obj
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bpy.ops.object.mode_set(mode='EDIT')
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bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='FACE')
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bm = bmesh.from_edit_mesh(obj.data)
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if settings.bversion >= 3.4:
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colorLayerIndex = obj.data.attributes.active_color_index
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colorLayer = bm.loops.layers.color[colorLayerIndex]
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else:
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colorLayer = bm.loops.layers.color.active
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# Collect elements
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processed = set([])
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groups = []
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for face in bm.faces:
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if face not in processed:
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bpy.ops.mesh.select_all(action='DESELECT')
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face.select = True
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bpy.ops.mesh.select_linked(delimit={'NORMAL'})
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linked = [face for face in bm.faces if face.select]
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for link in linked:
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processed.add(link)
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groups.append(linked)
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global elementsCount
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# Color each group
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for i in range(0,len(groups)):
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color = utilities_color.get_color_id(elementsCount + i, 256, jitter=True)
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color = utilities_color.safe_color( color )
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for face in groups[i]:
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for loop in face.loops:
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loop[colorLayer] = color
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elementsCount += len(groups)
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obj.data.update()
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bpy.ops.object.mode_set(mode='OBJECT')
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def get_image_material(image):
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# Clear & Create new material
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material = None
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if image.name in bpy.data.materials:
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# Incorrect existing material, delete first and create new for cycles
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material = bpy.data.materials[image.name]
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bpy.data.materials.remove(material, do_unlink=True)
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material = bpy.data.materials.new(image.name)
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else:
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material = bpy.data.materials.new(image.name)
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# Cycles Material
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if bpy.context.scene.render.engine == 'CYCLES' or bpy.context.scene.render.engine == 'BLENDER_EEVEE':
|
|
material.use_nodes = True
|
|
|
|
# Image Node
|
|
node_image = None
|
|
if "image" in material.node_tree.nodes:
|
|
node_image = material.node_tree.nodes["image"]
|
|
else:
|
|
node_image = material.node_tree.nodes.new("ShaderNodeTexImage")
|
|
node_image.name = "image"
|
|
node_image.select = True
|
|
node_image.image = image
|
|
material.node_tree.nodes.active = node_image
|
|
|
|
#Base Diffuse BSDF
|
|
bsdf_node = None
|
|
for n in material.node_tree.nodes:
|
|
if n.bl_idname == "ShaderNodeBsdfPrincipled":
|
|
bsdf_node = n
|
|
|
|
if "_normal_" in image.name:
|
|
# Add Normal Map Nodes
|
|
node_normal_map = None
|
|
if "normal_map" in material.node_tree.nodes:
|
|
node_normal_map = material.node_tree.nodes["normal_map"]
|
|
else:
|
|
node_normal_map = material.node_tree.nodes.new("ShaderNodeNormalMap")
|
|
node_normal_map.name = "normal_map"
|
|
|
|
# Tangent or World space
|
|
if(image.name.endswith("normal_tangent")):
|
|
node_normal_map.space = 'TANGENT'
|
|
elif(image.name.endswith("normal_object")):
|
|
node_normal_map.space = 'WORLD'
|
|
|
|
# image to normal_map link
|
|
material.node_tree.links.new(node_image.outputs[0], node_normal_map.inputs[1])
|
|
|
|
# normal_map to diffuse_bsdf link
|
|
if settings.bversion < 2.91:
|
|
material.node_tree.links.new(node_normal_map.outputs[0], bsdf_node.inputs[19])
|
|
else:
|
|
material.node_tree.links.new(node_normal_map.outputs[0], bsdf_node.inputs[20])
|
|
|
|
node_normal_map.location = bsdf_node.location - Vector((200, 0))
|
|
node_image.location = node_normal_map.location - Vector((200, 0))
|
|
|
|
else:
|
|
# Other images display as Color
|
|
# dump(node_image.color_mapping.bl_rna.property_tags)
|
|
|
|
# image node to diffuse node link
|
|
material.node_tree.links.new(node_image.outputs[0], bsdf_node.inputs[0])
|
|
|
|
return material
|
|
|
|
elif bpy.context.scene.render.engine == 'BLENDER_EEVEE':
|
|
material.use_nodes = True
|
|
|
|
texture = None
|
|
if image.name in bpy.data.textures:
|
|
texture = bpy.data.textures[image.name]
|
|
else:
|
|
texture = bpy.data.textures.new(image.name, 'IMAGE')
|
|
|
|
texture.image = image
|
|
slot = material.texture_slot.add()
|
|
slot.texture = texture
|
|
slot.mapping = 'FLAT'
|
|
|
|
# return material
|