124 lines
4.8 KiB
Python
124 lines
4.8 KiB
Python
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import bpy
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#Todo - Check if already exists, in case multiple objects has the same material
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def backup_material_copy(slot):
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material = slot.material
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dup = material.copy()
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dup.name = "." + material.name + "_Original"
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dup.use_fake_user = True
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def backup_material_cache(slot, path):
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bpy.ops.wm.save_as_mainfile(filepath=path, copy=True)
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def backup_material_cache_restore(slot, path):
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if bpy.context.scene.TLM_SceneProperties.tlm_verbose:
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print("Restore cache")
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# def backup_material_restore(obj): #??
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# if bpy.context.scene.TLM_SceneProperties.tlm_verbose:
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# print("Restoring material for: " + obj.name)
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#Check if object has TLM_PrevMatArray
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# if yes
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# - check if array.len is bigger than 0:
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# if yes:
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# for slot in object:
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# originalMaterial = TLM_PrevMatArray[index]
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#
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#
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# if no:
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# - In which cases are these?
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# if no:
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# - In which cases are there not?
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# - If a lightmapped material was applied to a non-lightmap object?
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# if bpy.data.materials[originalMaterial].users > 0: #TODO - Check if all lightmapped
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# print("Material has multiple users")
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# if originalMaterial in bpy.data.materials:
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# slot.material = bpy.data.materials[originalMaterial]
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# slot.material.use_fake_user = False
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# elif "." + originalMaterial + "_Original" in bpy.data.materials:
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# slot.material = bpy.data.materials["." + originalMaterial + "_Original"]
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# slot.material.use_fake_user = False
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# else:
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# print("Material has one user")
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# if "." + originalMaterial + "_Original" in bpy.data.materials:
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# slot.material = bpy.data.materials["." + originalMaterial + "_Original"]
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# slot.material.use_fake_user = False
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# elif originalMaterial in bpy.data.materials:
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# slot.material = bpy.data.materials[originalMaterial]
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# slot.material.use_fake_user = False
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def backup_material_restore(obj): #??
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if bpy.context.scene.TLM_SceneProperties.tlm_verbose:
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print("Restoring material for: " + obj.name)
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if "TLM_PrevMatArray" in obj:
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if bpy.context.scene.TLM_SceneProperties.tlm_verbose:
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print("Material restore array found: " + str(obj["TLM_PrevMatArray"]))
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#Running through the slots
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prevMatArray = obj["TLM_PrevMatArray"]
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slotsLength = len(prevMatArray)
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if len(prevMatArray) > 0:
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for idx, slot in enumerate(obj.material_slots): #For each slot, we get the index
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#We only need the index, corresponds to the array index
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try:
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if bpy.context.scene.TLM_SceneProperties.tlm_verbose:
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print("Attempting to set material")
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originalMaterial = prevMatArray[idx]
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except IndexError:
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if bpy.context.scene.TLM_SceneProperties.tlm_verbose:
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print("Material restore failed - Resetting")
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originalMaterial = ""
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if slot.material is not None:
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#if slot.material.users < 2:
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#slot.material.user_clear() #Seems to be bad; See: https://developer.blender.org/T49837
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#bpy.data.materials.remove(slot.material)
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if "." + originalMaterial + "_Original" in bpy.data.materials:
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slot.material = bpy.data.materials["." + originalMaterial + "_Original"]
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slot.material.use_fake_user = False
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else:
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print("No previous material for " + obj.name)
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else:
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print("No previous material for " + obj.name)
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def backup_material_rename(obj): #??
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if bpy.context.scene.TLM_SceneProperties.tlm_verbose:
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print("Renaming material for: " + obj.name)
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if "TLM_PrevMatArray" in obj:
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for slot in obj.material_slots:
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if slot.material is not None:
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if slot.material.name.endswith("_Original"):
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newname = slot.material.name[1:-9]
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if newname in bpy.data.materials:
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if bpy.context.scene.TLM_SceneProperties.tlm_verbose:
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print("Removing material: " + bpy.data.materials[newname].name)
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#if bpy.data.materials[newname].users < 2:
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#bpy.data.materials.remove(bpy.data.materials[newname]) #TODO - Maybe remove this
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slot.material.name = newname
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del obj["TLM_PrevMatArray"]
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else:
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print("No Previous material array for: " + obj.name)
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