678 lines
23 KiB
Python
678 lines
23 KiB
Python
import bpy.ops as O
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import bpy, os, re, sys, importlib, struct, platform, subprocess, threading, string, bmesh, shutil, glob, uuid
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from io import StringIO
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from threading import Thread
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from queue import Queue, Empty
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from dataclasses import dataclass
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from dataclasses import field
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from typing import List
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###########################################################
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###########################################################
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# This set of utility functions are courtesy of LorenzWieseke
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#
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# Modified by Naxela
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#
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# https://github.com/Naxela/The_Lightmapper/tree/Lightmap-to-GLB
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###########################################################
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class Node_Types:
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output_node = 'OUTPUT_MATERIAL'
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ao_node = 'AMBIENT_OCCLUSION'
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image_texture = 'TEX_IMAGE'
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pbr_node = 'BSDF_PRINCIPLED'
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diffuse = 'BSDF_DIFFUSE'
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mapping = 'MAPPING'
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normal_map = 'NORMAL_MAP'
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bump_map = 'BUMP'
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attr_node = 'ATTRIBUTE'
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class Shader_Node_Types:
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emission = "ShaderNodeEmission"
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image_texture = "ShaderNodeTexImage"
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mapping = "ShaderNodeMapping"
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normal = "ShaderNodeNormalMap"
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ao = "ShaderNodeAmbientOcclusion"
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uv = "ShaderNodeUVMap"
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mix = "ShaderNodeMixRGB"
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def select_object(self,obj):
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C = bpy.context
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try:
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O.object.select_all(action='DESELECT')
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C.view_layer.objects.active = obj
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obj.select_set(True)
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except:
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self.report({'INFO'},"Object not in View Layer")
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def select_obj_by_mat(self,mat):
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D = bpy.data
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for obj in D.objects:
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if obj.type == "MESH":
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object_materials = [
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slot.material for slot in obj.material_slots]
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if mat in object_materials:
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select_object(self,obj)
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def save_image(image):
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filePath = bpy.data.filepath
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path = os.path.dirname(filePath)
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try:
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os.mkdir(path + "/tex")
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except FileExistsError:
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pass
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try:
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os.mkdir(path + "/tex/" + str(image.size[0]))
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except FileExistsError:
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pass
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if image.file_format == "JPEG" :
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file_ending = ".jpg"
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elif image.file_format == "PNG" :
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file_ending = ".png"
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savepath = path + "/tex/" + \
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str(image.size[0]) + "/" + image.name + file_ending
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image.filepath_raw = savepath
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image.save()
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def get_file_size(filepath):
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size = "Unpack Files"
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try:
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path = bpy.path.abspath(filepath)
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size = os.path.getsize(path)
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size /= 1024
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except:
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if bpy.context.scene.TLM_SceneProperties.tlm_verbose:
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print("error getting file path for " + filepath)
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return (size)
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def scale_image(image, newSize):
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if (image.org_filepath != ''):
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image.filepath = image.org_filepath
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image.org_filepath = image.filepath
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image.scale(newSize[0], newSize[1])
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save_image(image)
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def check_only_one_pbr(self,material):
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check_ok = True
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# get pbr shader
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nodes = material.node_tree.nodes
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pbr_node_type = Node_Types.pbr_node
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pbr_nodes = find_node_by_type(nodes,pbr_node_type)
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# check only one pbr node
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if len(pbr_nodes) == 0:
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self.report({'INFO'}, 'No PBR Shader Found')
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check_ok = False
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if len(pbr_nodes) > 1:
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self.report({'INFO'}, 'More than one PBR Node found ! Clean before Baking.')
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check_ok = False
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return check_ok
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# is material already the baked one
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def check_is_org_material(self,material):
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check_ok = True
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if "_Bake" in material.name:
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self.report({'INFO'}, 'Change back to org. Material')
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check_ok = False
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return check_ok
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def clean_empty_materials(self):
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for obj in bpy.context.scene.objects:
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for slot in obj.material_slots:
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mat = slot.material
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if mat is None:
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if bpy.context.scene.TLM_SceneProperties.tlm_verbose:
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print("Removed Empty Materials from " + obj.name)
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bpy.ops.object.select_all(action='DESELECT')
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obj.select_set(True)
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bpy.ops.object.material_slot_remove()
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def get_pbr_inputs(pbr_node):
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base_color_input = pbr_node.inputs["Base Color"]
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metallic_input = pbr_node.inputs["Metallic"]
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specular_input = pbr_node.inputs["Specular"]
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roughness_input = pbr_node.inputs["Roughness"]
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normal_input = pbr_node.inputs["Normal"]
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pbr_inputs = {"base_color_input":base_color_input, "metallic_input":metallic_input,"specular_input":specular_input,"roughness_input":roughness_input,"normal_input":normal_input}
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return pbr_inputs
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def find_node_by_type(nodes, node_type):
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nodes_found = [n for n in nodes if n.type == node_type]
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return nodes_found
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def find_node_by_type_recusivly(material, note_to_start, node_type, del_nodes_inbetween=False):
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nodes = material.node_tree.nodes
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if note_to_start.type == node_type:
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return note_to_start
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for input in note_to_start.inputs:
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for link in input.links:
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current_node = link.from_node
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if (del_nodes_inbetween and note_to_start.type != Node_Types.normal_map and note_to_start.type != Node_Types.bump_map):
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nodes.remove(note_to_start)
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return find_node_by_type_recusivly(material, current_node, node_type, del_nodes_inbetween)
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def find_node_by_name_recusivly(node, idname):
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if node.bl_idname == idname:
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return node
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for input in node.inputs:
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for link in input.links:
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current_node = link.from_node
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return find_node_by_name_recusivly(current_node, idname)
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def make_link(material, socket1, socket2):
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links = material.node_tree.links
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links.new(socket1, socket2)
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def add_gamma_node(material, pbrInput):
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nodeToPrincipledOutput = pbrInput.links[0].from_socket
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gammaNode = material.node_tree.nodes.new("ShaderNodeGamma")
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gammaNode.inputs[1].default_value = 2.2
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gammaNode.name = "Gamma Bake"
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# link in gamma
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make_link(material, nodeToPrincipledOutput, gammaNode.inputs["Color"])
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make_link(material, gammaNode.outputs["Color"], pbrInput)
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def remove_gamma_node(material, pbrInput):
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nodes = material.node_tree.nodes
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gammaNode = nodes.get("Gamma Bake")
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nodeToPrincipledOutput = gammaNode.inputs[0].links[0].from_socket
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make_link(material, nodeToPrincipledOutput, pbrInput)
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material.node_tree.nodes.remove(gammaNode)
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def apply_ao_toggle(self,context):
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all_materials = bpy.data.materials
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ao_toggle = context.scene.toggle_ao
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for mat in all_materials:
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nodes = mat.node_tree.nodes
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ao_node = nodes.get("AO Bake")
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if ao_node is not None:
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if ao_toggle:
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emission_setup(mat,ao_node.outputs["Color"])
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else:
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pbr_node = find_node_by_type(nodes,Node_Types.pbr_node)[0]
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remove_node(mat,"Emission Bake")
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reconnect_PBR(mat, pbr_node)
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def emission_setup(material, node_output):
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nodes = material.node_tree.nodes
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emission_node = add_node(material,Shader_Node_Types.emission,"Emission Bake")
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# link emission to whatever goes into current pbrInput
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emission_input = emission_node.inputs[0]
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make_link(material, node_output, emission_input)
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# link emission to materialOutput
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surface_input = nodes.get("Material Output").inputs[0]
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emission_output = emission_node.outputs[0]
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make_link(material, emission_output, surface_input)
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def link_pbr_to_output(material,pbr_node):
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nodes = material.node_tree.nodes
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surface_input = nodes.get("Material Output").inputs[0]
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make_link(material,pbr_node.outputs[0],surface_input)
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def reconnect_PBR(material, pbrNode):
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nodes = material.node_tree.nodes
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pbr_output = pbrNode.outputs[0]
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surface_input = nodes.get("Material Output").inputs[0]
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make_link(material, pbr_output, surface_input)
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def mute_all_texture_mappings(material, do_mute):
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nodes = material.node_tree.nodes
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for node in nodes:
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if node.bl_idname == "ShaderNodeMapping":
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node.mute = do_mute
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def add_node(material,shader_node_type,node_name):
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nodes = material.node_tree.nodes
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new_node = nodes.get(node_name)
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if new_node is None:
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new_node = nodes.new(shader_node_type)
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new_node.name = node_name
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new_node.label = node_name
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return new_node
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def remove_node(material,node_name):
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nodes = material.node_tree.nodes
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node = nodes.get(node_name)
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if node is not None:
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nodes.remove(node)
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def lightmap_to_ao(material,lightmap_node):
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nodes = material.node_tree.nodes
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# -----------------------AO SETUP--------------------#
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# create group data
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gltf_settings = bpy.data.node_groups.get('glTF Settings')
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if gltf_settings is None:
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bpy.data.node_groups.new('glTF Settings', 'ShaderNodeTree')
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# add group to node tree
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ao_group = nodes.get('glTF Settings')
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if ao_group is None:
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ao_group = nodes.new('ShaderNodeGroup')
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ao_group.name = 'glTF Settings'
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ao_group.node_tree = bpy.data.node_groups['glTF Settings']
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# create group inputs
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if ao_group.inputs.get('Occlusion') is None:
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ao_group.inputs.new('NodeSocketFloat','Occlusion')
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# mulitply to control strength
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mix_node = add_node(material,Shader_Node_Types.mix,"Adjust Lightmap")
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mix_node.blend_type = "MULTIPLY"
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mix_node.inputs["Fac"].default_value = 1
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mix_node.inputs["Color2"].default_value = [3,3,3,1]
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# position node
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ao_group.location = (lightmap_node.location[0]+600,lightmap_node.location[1])
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mix_node.location = (lightmap_node.location[0]+300,lightmap_node.location[1])
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make_link(material,lightmap_node.outputs['Color'],mix_node.inputs['Color1'])
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make_link(material,mix_node.outputs['Color'],ao_group.inputs['Occlusion'])
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###########################################################
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###########################################################
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# This utility function is modified from blender_xatlas
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# and calls the object without any explicit object context
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# thus allowing blender_xatlas to pack from background.
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###########################################################
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# Code is courtesy of mattedicksoncom
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# Modified by Naxela
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#
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# https://github.com/mattedicksoncom/blender-xatlas/
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###########################################################
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def gen_safe_name():
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genId = uuid.uuid4().hex
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# genId = "u_" + genId.replace("-","_")
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return "u_" + genId
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def Unwrap_Lightmap_Group_Xatlas_2_headless_call(obj):
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blender_xatlas = importlib.util.find_spec("blender_xatlas")
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if blender_xatlas is not None:
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import blender_xatlas
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else:
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return 0
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packOptions = bpy.context.scene.pack_tool
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chartOptions = bpy.context.scene.chart_tool
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sharedProperties = bpy.context.scene.shared_properties
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#sharedProperties.unwrapSelection
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context = bpy.context
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#save whatever mode the user was in
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startingMode = bpy.context.object.mode
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selected_objects = bpy.context.selected_objects
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#check something is actually selected
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#external function/operator will select them
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if len(selected_objects) == 0:
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print("Nothing Selected")
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self.report({"WARNING"}, "Nothing Selected, please select Something")
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return {'FINISHED'}
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#store the names of objects to be lightmapped
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rename_dict = dict()
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safe_dict = dict()
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#make sure all the objects have ligthmap uvs
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for obj in selected_objects:
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if obj.type == 'MESH':
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safe_name = gen_safe_name();
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rename_dict[obj.name] = (obj.name,safe_name)
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safe_dict[safe_name] = obj.name
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context.view_layer.objects.active = obj
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if obj.data.users > 1:
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obj.data = obj.data.copy() #make single user copy
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uv_layers = obj.data.uv_layers
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#setup the lightmap uvs
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uvName = "UVMap_Lightmap"
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if sharedProperties.lightmapUVChoiceType == "NAME":
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uvName = sharedProperties.lightmapUVName
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elif sharedProperties.lightmapUVChoiceType == "INDEX":
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if sharedProperties.lightmapUVIndex < len(uv_layers):
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uvName = uv_layers[sharedProperties.lightmapUVIndex].name
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if not uvName in uv_layers:
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uvmap = uv_layers.new(name=uvName)
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uv_layers.active_index = len(uv_layers) - 1
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else:
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for i in range(0, len(uv_layers)):
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if uv_layers[i].name == uvName:
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uv_layers.active_index = i
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obj.select_set(True)
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#save all the current edges
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if sharedProperties.packOnly:
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edgeDict = dict()
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for obj in selected_objects:
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if obj.type == 'MESH':
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tempEdgeDict = dict()
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tempEdgeDict['object'] = obj.name
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tempEdgeDict['edges'] = []
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print(len(obj.data.edges))
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for i in range(0,len(obj.data.edges)):
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setEdge = obj.data.edges[i]
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tempEdgeDict['edges'].append(i)
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edgeDict[obj.name] = tempEdgeDict
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bpy.ops.object.mode_set(mode='EDIT')
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bpy.ops.mesh.select_all(action='SELECT')
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bpy.ops.mesh.quads_convert_to_tris(quad_method='FIXED', ngon_method='BEAUTY')
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else:
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bpy.ops.object.mode_set(mode='EDIT')
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bpy.ops.mesh.select_all(action='SELECT')
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bpy.ops.mesh.quads_convert_to_tris(quad_method='FIXED', ngon_method='BEAUTY')
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bpy.ops.object.mode_set(mode='OBJECT')
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#Create a fake obj export to a string
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#Will strip this down further later
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fakeFile = StringIO()
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blender_xatlas.export_obj_simple.save(
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rename_dict=rename_dict,
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context=bpy.context,
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filepath=fakeFile,
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mainUVChoiceType=sharedProperties.mainUVChoiceType,
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uvIndex=sharedProperties.mainUVIndex,
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uvName=sharedProperties.mainUVName,
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use_selection=True,
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use_animation=False,
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use_mesh_modifiers=True,
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use_edges=True,
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use_smooth_groups=False,
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use_smooth_groups_bitflags=False,
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use_normals=True,
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use_uvs=True,
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use_materials=False,
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use_triangles=False,
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use_nurbs=False,
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use_vertex_groups=False,
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use_blen_objects=True,
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group_by_object=False,
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group_by_material=False,
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keep_vertex_order=False,
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)
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#print just for reference
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# print(fakeFile.getvalue())
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#get the path to xatlas
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#file_path = os.path.dirname(os.path.abspath(__file__))
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scriptsDir = os.path.join(bpy.utils.user_resource('SCRIPTS'), "addons")
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file_path = os.path.join(scriptsDir, "blender_xatlas")
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if platform.system() == "Windows":
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xatlas_path = os.path.join(file_path, "xatlas", "xatlas-blender.exe")
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elif platform.system() == "Linux":
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xatlas_path = os.path.join(file_path, "xatlas", "xatlas-blender")
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#need to set permissions for the process on linux
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subprocess.Popen(
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'chmod u+x "' + xatlas_path + '"',
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shell=True
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)
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#setup the arguments to be passed to xatlas-------------------
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arguments_string = ""
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for argumentKey in packOptions.__annotations__.keys():
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key_string = str(argumentKey)
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if argumentKey is not None:
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print(getattr(packOptions,key_string))
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attrib = getattr(packOptions,key_string)
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if type(attrib) == bool:
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if attrib == True:
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arguments_string = arguments_string + " -" + str(argumentKey)
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else:
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arguments_string = arguments_string + " -" + str(argumentKey) + " " + str(attrib)
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for argumentKey in chartOptions.__annotations__.keys():
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if argumentKey is not None:
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key_string = str(argumentKey)
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print(getattr(chartOptions,key_string))
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attrib = getattr(chartOptions,key_string)
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if type(attrib) == bool:
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if attrib == True:
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arguments_string = arguments_string + " -" + str(argumentKey)
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else:
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arguments_string = arguments_string + " -" + str(argumentKey) + " " + str(attrib)
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#add pack only option
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if sharedProperties.packOnly:
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arguments_string = arguments_string + " -packOnly"
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arguments_string = arguments_string + " -atlasLayout" + " " + sharedProperties.atlasLayout
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print(arguments_string)
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#END setup the arguments to be passed to xatlas-------------------
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#RUN xatlas process
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xatlas_process = subprocess.Popen(
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r'"{}"'.format(xatlas_path) + ' ' + arguments_string,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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shell=True
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)
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print(xatlas_path)
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#shove the fake file in stdin
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stdin = xatlas_process.stdin
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value = bytes(fakeFile.getvalue() + "\n", 'UTF-8') #The \n is needed to end the input properly
|
|
stdin.write(value)
|
|
stdin.flush()
|
|
|
|
#Get the output from xatlas
|
|
outObj = ""
|
|
while True:
|
|
output = xatlas_process.stdout.readline()
|
|
if not output:
|
|
break
|
|
outObj = outObj + (output.decode().strip() + "\n")
|
|
|
|
#the objects after xatlas processing
|
|
# print(outObj)
|
|
|
|
|
|
#Setup for reading the output
|
|
@dataclass
|
|
class uvObject:
|
|
obName: string = ""
|
|
uvArray: List[float] = field(default_factory=list)
|
|
faceArray: List[int] = field(default_factory=list)
|
|
|
|
convertedObjects = []
|
|
uvArrayComplete = []
|
|
|
|
|
|
#search through the out put for STARTOBJ
|
|
#then start reading the objects
|
|
obTest = None
|
|
startRead = False
|
|
for line in outObj.splitlines():
|
|
|
|
line_split = line.split()
|
|
|
|
if not line_split:
|
|
continue
|
|
|
|
line_start = line_split[0] # we compare with this a _lot_
|
|
# print(line_start)
|
|
if line_start == "STARTOBJ":
|
|
print("Start reading the objects----------------------------------------")
|
|
startRead = True
|
|
# obTest = uvObject()
|
|
|
|
if startRead:
|
|
#if it's a new obj
|
|
if line_start == 'o':
|
|
#if there is already an object append it
|
|
if obTest is not None:
|
|
convertedObjects.append(obTest)
|
|
|
|
obTest = uvObject() #create new uv object
|
|
obTest.obName = line_split[1]
|
|
|
|
if obTest is not None:
|
|
#the uv coords
|
|
if line_start == 'vt':
|
|
newUv = [float(line_split[1]),float(line_split[2])]
|
|
obTest.uvArray.append(newUv)
|
|
uvArrayComplete.append(newUv)
|
|
|
|
#the face coords index
|
|
#faces are 1 indexed
|
|
if line_start == 'f':
|
|
#vert/uv/normal
|
|
#only need the uvs
|
|
newFace = [
|
|
int(line_split[1].split("/")[1]),
|
|
int(line_split[2].split("/")[1]),
|
|
int(line_split[3].split("/")[1])
|
|
]
|
|
obTest.faceArray.append(newFace)
|
|
|
|
#append the final object
|
|
convertedObjects.append(obTest)
|
|
print(convertedObjects)
|
|
|
|
|
|
#apply the output-------------------------------------------------------------
|
|
#copy the uvs to the original objects
|
|
# objIndex = 0
|
|
print("Applying the UVs----------------------------------------")
|
|
# print(convertedObjects)
|
|
for importObject in convertedObjects:
|
|
bpy.ops.object.select_all(action='DESELECT')
|
|
|
|
obTest = importObject
|
|
obTest.obName = safe_dict[obTest.obName] #probably shouldn't just replace it
|
|
bpy.context.scene.objects[obTest.obName].select_set(True)
|
|
context.view_layer.objects.active = bpy.context.scene.objects[obTest.obName]
|
|
bpy.ops.object.mode_set(mode = 'OBJECT')
|
|
|
|
obj = bpy.context.active_object
|
|
me = obj.data
|
|
#convert to bmesh to create the new uvs
|
|
bm = bmesh.new()
|
|
bm.from_mesh(me)
|
|
|
|
uv_layer = bm.loops.layers.uv.verify()
|
|
|
|
nFaces = len(bm.faces)
|
|
#need to ensure lookup table for some reason?
|
|
if hasattr(bm.faces, "ensure_lookup_table"):
|
|
bm.faces.ensure_lookup_table()
|
|
|
|
#loop through the faces
|
|
for faceIndex in range(nFaces):
|
|
faceGroup = obTest.faceArray[faceIndex]
|
|
|
|
bm.faces[faceIndex].loops[0][uv_layer].uv = (
|
|
uvArrayComplete[faceGroup[0] - 1][0],
|
|
uvArrayComplete[faceGroup[0] - 1][1])
|
|
|
|
bm.faces[faceIndex].loops[1][uv_layer].uv = (
|
|
uvArrayComplete[faceGroup[1] - 1][0],
|
|
uvArrayComplete[faceGroup[1] - 1][1])
|
|
|
|
bm.faces[faceIndex].loops[2][uv_layer].uv = (
|
|
uvArrayComplete[faceGroup[2] - 1][0],
|
|
uvArrayComplete[faceGroup[2] - 1][1])
|
|
|
|
# objIndex = objIndex + 3
|
|
|
|
# print(objIndex)
|
|
#assign the mesh back to the original mesh
|
|
bm.to_mesh(me)
|
|
#END apply the output-------------------------------------------------------------
|
|
|
|
|
|
#Start setting the quads back again-------------------------------------------------------------
|
|
if sharedProperties.packOnly:
|
|
bpy.ops.object.mode_set(mode='EDIT')
|
|
bpy.ops.mesh.select_all(action='DESELECT')
|
|
bpy.ops.object.mode_set(mode='OBJECT')
|
|
|
|
for edges in edgeDict:
|
|
edgeList = edgeDict[edges]
|
|
currentObject = bpy.context.scene.objects[edgeList['object']]
|
|
bm = bmesh.new()
|
|
bm.from_mesh(currentObject.data)
|
|
if hasattr(bm.edges, "ensure_lookup_table"):
|
|
bm.edges.ensure_lookup_table()
|
|
|
|
#assume that all the triangulated edges come after the original edges
|
|
newEdges = []
|
|
for edge in range(len(edgeList['edges']), len(bm.edges)):
|
|
newEdge = bm.edges[edge]
|
|
newEdge.select = True
|
|
newEdges.append(newEdge)
|
|
|
|
bmesh.ops.dissolve_edges(bm, edges=newEdges, use_verts=False, use_face_split=False)
|
|
bpy.ops.object.mode_set(mode='OBJECT')
|
|
bm.to_mesh(currentObject.data)
|
|
bm.free()
|
|
bpy.ops.object.mode_set(mode='EDIT')
|
|
|
|
#End setting the quads back again-------------------------------------------------------------
|
|
|
|
#select the original objects that were selected
|
|
for objectName in rename_dict:
|
|
if objectName[0] in bpy.context.scene.objects:
|
|
current_object = bpy.context.scene.objects[objectName[0]]
|
|
current_object.select_set(True)
|
|
context.view_layer.objects.active = current_object
|
|
|
|
bpy.ops.object.mode_set(mode=startingMode)
|
|
|
|
print("Finished Xatlas----------------------------------------")
|
|
return {'FINISHED'}
|
|
|
|
def transfer_assets(copy, source, destination):
|
|
for filename in glob.glob(os.path.join(source, '*.*')):
|
|
try:
|
|
shutil.copy(filename, destination)
|
|
except shutil.SameFileError:
|
|
pass
|
|
|
|
def transfer_load():
|
|
load_folder = bpy.path.abspath(os.path.join(os.path.dirname(bpy.data.filepath), bpy.context.scene.TLM_SceneProperties.tlm_load_folder))
|
|
lightmap_folder = os.path.join(os.path.dirname(bpy.data.filepath), bpy.context.scene.TLM_EngineProperties.tlm_lightmap_savedir)
|
|
print(load_folder)
|
|
print(lightmap_folder)
|
|
transfer_assets(True, load_folder, lightmap_folder)
|