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576 lines
18 KiB
Python
576 lines
18 KiB
Python
import bpy
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import bmesh
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import operator
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import time
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from mathutils import Vector
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from collections import defaultdict
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from math import pi
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from mathutils import Color
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from . import settings
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from . import utilities_color
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# from . import op_bake
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keywords_low = ['lowpoly', 'low', 'lowp', 'lp', 'lo', 'l']
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keywords_high = ['highpoly', 'high', 'highp', 'hp', 'hi', 'h']
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keywords_cage = ['cage', 'c']
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keywords_float = ['floater', 'float', 'f']
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split_chars = [' ', '_', '.', '-']
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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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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):
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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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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.type == 'IMAGE_EDITOR':
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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_samples = bpy.context.scene.cycles.samples
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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 set in sets:
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for obj in set.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 set.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 set.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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if bpy.context.scene.texToolsSettings.bake_exclude_others:
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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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settings.bake_objects_hide_render.append(obj)
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obj.hide_render = True;
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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.samples = settings.bake_cycles_samples
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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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stored_materials = {}
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stored_material_faces = {}
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def store_materials_clear():
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stored_materials.clear()
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stored_material_faces.clear()
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def store_materials(obj):
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stored_materials[obj] = []
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stored_material_faces[obj] = []
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# Enter edit mode
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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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bm = bmesh.from_edit_mesh(obj.data)
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# for each slot backup the material
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for s in range(len(obj.material_slots)):
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slot = obj.material_slots[s]
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stored_materials[obj].append(slot.material)
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stored_material_faces[obj].append(
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[face.index for face in bm.faces if face.material_index == s])
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# print("Faces: {}x".format( len(stored_material_faces[obj][-1]) ))
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if slot and slot.material:
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slot.material.name = "backup_"+slot.material.name
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print("- Store {} = {}".format(obj.name, slot.material.name))
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# Back to object mode
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bpy.ops.object.mode_set(mode='OBJECT')
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def restore_materials():
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for obj in stored_materials:
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# Enter edit mode
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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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bm = bmesh.from_edit_mesh(obj.data)
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# Restore slots
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for index in range(len(stored_materials[obj])):
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material = stored_materials[obj][index]
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faces = stored_material_faces[obj][index]
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if material:
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material.name = material.name.replace("backup_", "")
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obj.material_slots[index].material = material
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# Face material indexies
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for face in bm.faces:
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if face.index in faces:
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face.material_index = index
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# Back to object mode
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bpy.ops.object.mode_set(mode='OBJECT')
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# Remove material slots if none before
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if len(stored_materials[obj]) == 0:
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for i in range(len(obj.material_slots)):
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bpy.ops.object.material_slot_remove()
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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() and name[-2].isdigit() and name[-1].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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# 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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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 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 its 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 set in sets:
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name_texture = "{}_".format(set.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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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 len(groups) == 0:
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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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# print("Keys: "+", ".join(keys))
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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 setup_vertex_color_selection(obj):
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bpy.ops.object.mode_set(mode='OBJECT')
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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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# Back to object mode
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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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print("setup_vertex_color_dirty {}".format(obj.name))
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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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colorLayer = bm.loops.layers.color.verify()
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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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# Back to object mode
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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):
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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.verify()
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for i in range(len(obj.material_slots)):
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slot = obj.material_slots[i]
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if slot.material:
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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(i, len(obj.material_slots))
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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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# Back to object mode
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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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colorLayer = bm.loops.layers.color.verify()
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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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# Color each group
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for i in range(0, len(groups)):
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color = utilities_color.get_color_id(i, len(groups))
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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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obj.data.update()
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# Back to object mode
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bpy.ops.object.mode_set(mode='OBJECT')
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def get_image_material(image):
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# Claer & 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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material.user_clear()
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bpy.data.materials.remove(material)
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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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# Cyles Material
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if bpy.context.scene.render.engine == 'CYCLES' or bpy.context.scene.render.engine == 'BLENDER_EEVEE':
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material.use_nodes = True
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# Image Node
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node_image = None
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if "image" in material.node_tree.nodes:
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node_image = material.node_tree.nodes["image"]
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else:
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node_image = material.node_tree.nodes.new("ShaderNodeTexImage")
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node_image.name = "image"
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node_image.select = True
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node_image.image = image
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material.node_tree.nodes.active = node_image
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# Base Diffuse BSDF
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node_diffuse = material.node_tree.nodes['Principled BSDF']
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if "_normal_" in image.name:
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# Add Normal Map Nodes
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node_normal_map = None
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if "normal_map" in material.node_tree.nodes:
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node_normal_map = material.node_tree.nodes["normal_map"]
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else:
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node_normal_map = material.node_tree.nodes.new(
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"ShaderNodeNormalMap")
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node_normal_map.name = "normal_map"
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# Tangent or World space
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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
|
|
material.node_tree.links.new(
|
|
node_normal_map.outputs[0], node_diffuse.inputs[19])
|
|
|
|
node_normal_map.location = node_diffuse.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], node_diffuse.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
|