Yusarina
155c40d4d4
- Improvements to materials, still needs work but looking better. - Model imports the correct size now. - Attempted to fix bones positions, rotations and etc, but failed, however the work I done should setup it up to work maybe.... - Minor improvements.
618 lines
30 KiB
Python
618 lines
30 KiB
Python
from io import BufferedReader
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import os
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import bpy
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import struct
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import traceback
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import mathutils
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from mathutils import Matrix, Vector
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from bpy.types import Material, Operator, Context, Object, Image, Mesh, MeshUVLoopLayer, Float2AttributeValue, ShaderNodeTexImage, ShaderNodeBsdfPrincipled, ShaderNodeOutputMaterial
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def replace_char(string, index, character):
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temp = list(string)
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temp[index] = character
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return "".join(temp)
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def read_pmx_header(file: BufferedReader):
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# Read PMX header information
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magic = file.read(4)
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if magic != b'PMX ':
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raise ValueError("Invalid PMX file")
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version = struct.unpack('<f', file.read(4))[0]
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# Read additional header fields
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data_size = struct.unpack('<b', file.read(1))[0]
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encoding = struct.unpack('<b', file.read(1))[0]
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additional_uvs = struct.unpack('<b', file.read(1))[0]
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vertex_index_size = struct.unpack('<b', file.read(1))[0]
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texture_index_size = struct.unpack('<b', file.read(1))[0]
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material_index_size = struct.unpack('<b', file.read(1))[0]
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bone_index_size = struct.unpack('<b', file.read(1))[0]
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morph_index_size = struct.unpack('<b', file.read(1))[0]
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rigid_body_index_size = struct.unpack('<b', file.read(1))[0]
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print(rigid_body_index_size)
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# Read model name and comments
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model_name = str(file.read(struct.unpack('<i', file.read(4))[0]), 'utf-16-le', errors='replace')
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model_english_name = str(file.read(struct.unpack('<i', file.read(4))[0]), 'utf-16-le', errors='replace')
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model_comment = str(file.read(struct.unpack('<i', file.read(4))[0]), 'utf-16-le', errors='replace')
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print(model_name)
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print(model_english_name)
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print(model_comment)
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model_english_comment = str(file.read(struct.unpack('<i', file.read(4))[0]), 'utf-16-le', errors='replace')
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print(model_english_comment)
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return version, encoding, additional_uvs, vertex_index_size, texture_index_size, material_index_size, bone_index_size, morph_index_size, rigid_body_index_size, model_name, model_english_name, model_comment, model_english_comment
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def read_vertex(file: BufferedReader, string_build, byte_size, additional_uvs):
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position = struct.unpack('<3f', file.read(12))
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normal = struct.unpack('<3f', file.read(12))
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uv = struct.unpack('<2f', file.read(8))
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uv = [uv[0],(1.0-uv[1])-1.0]
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additional_uv_read = []
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for i in range(0,additional_uvs):
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additional_uv_read.append(struct.unpack('<4f', file.read(16)))
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weight_deform_type = struct.unpack('<B', file.read(1))[0]
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C_num = []
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R0_num = []
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R1_num = []
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#in the if-else chain, multiplying byte_size by a number should reflect the string_build's 1st (not 0th) character which is how many bone indices there are.
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if weight_deform_type == 0: #BDEF 1
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string_build = replace_char(string_build,1,'1') #how many bone indices there are
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bone_indices = list(struct.unpack(string_build, file.read(byte_size*1)))
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bone_weights = [1.0]
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elif weight_deform_type == 1: #BDEF2
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string_build = replace_char(string_build,1,'2') #how many bone indices there are
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bone_indices = list(struct.unpack(string_build, file.read(byte_size*2)))
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bone_1_weight = struct.unpack('<f', file.read(4))[0]
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bone_weights = [bone_1_weight, 1.0-bone_1_weight]
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elif weight_deform_type == 2: #BDEF4
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string_build = replace_char(string_build,1,'4') #how many bone indices there are
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bone_indices = list(struct.unpack(string_build, file.read(byte_size*4)))
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bone_weights = list(struct.unpack('<4f', file.read(4*4)))
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elif weight_deform_type == 3: #SDEF
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string_build = replace_char(string_build,1,'2') #how many bone indices there are
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bone_indices = list(struct.unpack(string_build, file.read(byte_size*2)))
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bone_1_weight = struct.unpack('<f', file.read(4))[0]
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bone_weights = [bone_1_weight, 1.0-bone_1_weight]
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C_num = struct.unpack('<3f', file.read(12))
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R0_num = struct.unpack('<3f', file.read(12))
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R1_num = struct.unpack('<3f', file.read(12))
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elif weight_deform_type == 4: #QDEF
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string_build = replace_char(string_build,1,'4') #how many bone indices there are
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bone_indices = list(struct.unpack(string_build, file.read(byte_size*4)))
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bone_weights = list(struct.unpack('<4f', file.read(4*4)))
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else:
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raise IOError("Unsupported weight deform type \""+str(weight_deform_type)+"\" for file!")
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edge_scale = struct.unpack('<f', file.read(4))[0]
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return position, normal, uv, bone_indices, bone_weights, edge_scale, additional_uv_read
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def read_material(file: BufferedReader, string_build, byte_size):
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material_name = str(file.read(struct.unpack('<i', file.read(4))[0]), 'utf-16-le', errors='replace')
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material_english_name = str(file.read(struct.unpack('<i', file.read(4))[0]), 'utf-16-le', errors='replace')
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diffuse_color = struct.unpack('<4f', file.read(16))
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specular_color = struct.unpack('<3f', file.read(12))
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specular_strength = struct.unpack('<f', file.read(4))[0]
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ambient_color = struct.unpack('<3f', file.read(12))
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flag = struct.unpack('<b', file.read(1))[0]
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edge_color = struct.unpack('<4f', file.read(16))
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edge_size = struct.unpack('<f', file.read(4))[0]
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#this is bad don't do this, replaced it.. - @989onan
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#texture_index = struct.unpack(f'<{texture_index_size}B', file.read(texture_index_size))[0]
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texture_index = struct.unpack(replace_char(string_build, 1, '1'), file.read(byte_size))[0]
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sphere_texture_index = struct.unpack(replace_char(string_build, 1, '1'), file.read(byte_size))[0]
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sphere_mode = struct.unpack('<b', file.read(1))[0]
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toon_sharing_flag = struct.unpack('<b', file.read(1))[0]
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if toon_sharing_flag == 0:
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toon_texture_index = struct.unpack(replace_char(string_build, 1, '1'), file.read(byte_size))[0]
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else:
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toon_texture_index = struct.unpack('<b', file.read(1))[0]
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comment = str(file.read(struct.unpack('<i', file.read(4))[0]), 'utf-16-le', errors='replace')
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surface_count = int(struct.unpack('<i', file.read(4))[0]/3)
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return material_name, material_english_name, diffuse_color, specular_color, specular_strength, ambient_color, flag, edge_color, edge_size, texture_index, sphere_texture_index, sphere_mode, toon_sharing_flag, toon_texture_index, comment, surface_count
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def read_bone(file: BufferedReader, string_build, byte_size):
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try:
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# Read bone name and validate
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name_length = struct.unpack('<i', file.read(4))[0]
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if not 0 <= name_length <= 512:
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raise ValueError(f"Invalid bone name length {name_length}")
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bone_name = str(file.read(name_length), 'utf-16-le', errors='replace')
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# Read English name
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eng_name_length = struct.unpack('<i', file.read(4))[0]
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bone_english_name = str(file.read(eng_name_length), 'utf-16-le', errors='replace')
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# Read position and indices
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position = struct.unpack('<3f', file.read(12))
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parent_bone_index = struct.unpack(replace_char(string_build, 1, '1'), file.read(byte_size))[0]
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layer = struct.unpack('<i', file.read(4))[0]
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flag = struct.unpack('<H', file.read(2))[0]
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# Initialize bone properties with defaults
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tail_position = [0.0, 0.0, 0.0]
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tail_index = -1
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inherit_bone_parent_index = -1
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inherit_bone_parent_influence = 0.0
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fixed_axis = [0.0, 0.0, 0.0]
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local_x_vector = [0.0, 0.0, 0.0]
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local_z_vector = [0.0, 0.0, 0.0]
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external_key = 0
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ik_target_bone_index = -1
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ik_loop_count = 0
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ik_limit_radian = 0.0
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ik_links = []
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# Read flag-dependent data
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if not (flag & 0x0001): # Connection not by offset
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tail_position = struct.unpack('<3f', file.read(12))
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else:
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tail_index = struct.unpack(replace_char(string_build, 1, '1'), file.read(byte_size))[0]
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if flag & 0x0100 or flag & 0x0200: # Has inheritance
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inherit_bone_parent_index = struct.unpack(replace_char(string_build, 1, '1'), file.read(byte_size))[0]
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inherit_bone_parent_influence = struct.unpack('<f', file.read(4))[0]
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if flag & 0x0400: # Has fixed axis
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fixed_axis = struct.unpack('<3f', file.read(12))
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if flag & 0x0800: # Has local coordinate
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local_x_vector = struct.unpack('<3f', file.read(12))
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local_z_vector = struct.unpack('<3f', file.read(12))
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if flag & 0x2000: # Has external parent deform
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external_key = struct.unpack('<i', file.read(4))[0]
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if flag & 0x0020: # Has IK
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ik_target_bone_index = struct.unpack(replace_char(string_build, 1, '1'), file.read(byte_size))[0]
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ik_loop_count = struct.unpack('<i', file.read(4))[0]
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ik_limit_radian = struct.unpack('<f', file.read(4))[0]
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ik_link_count = struct.unpack('<i', file.read(4))[0]
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for _ in range(ik_link_count):
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ik_link_bone_index = struct.unpack(replace_char(string_build, 1, '1'), file.read(byte_size))[0]
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has_limits = struct.unpack('<b', file.read(1))[0]
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if has_limits:
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limit_min = struct.unpack('<3f', file.read(12))
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limit_max = struct.unpack('<3f', file.read(12))
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else:
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limit_min = limit_max = None
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ik_links.append((ik_link_bone_index, limit_min, limit_max))
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return bone_name, bone_english_name, position, parent_bone_index, layer, flag, tail_position, inherit_bone_parent_index, inherit_bone_parent_influence, fixed_axis, local_x_vector, local_z_vector, external_key, ik_target_bone_index, ik_loop_count, ik_limit_radian, ik_links
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except Exception as e:
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print(f"Error reading bone data: {str(e)}")
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print(f"Current file position: {file.tell()}")
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raise
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def set_bone_local_axis(bone, local_x, local_z):
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# Convert from MMD to Blender coordinate system
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x_axis = Vector(local_x).xzy
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z_axis = Vector(local_z).xzy
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y_axis = z_axis.cross(x_axis)
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# Create rotation matrix from axes
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matrix = Matrix([x_axis, y_axis, z_axis]).transposed()
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bone.matrix_local = matrix.to_4x4()
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def finalize_armature(armature_obj):
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# Apply MMD to Blender space conversion
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armature_obj.rotation_euler[0] = 1.5708 # 90 degrees in radians
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armature_obj.rotation_euler[2] = 3.14159 # 180 degrees in radians
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# Apply scale to armature
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armature_obj.scale = (scale, scale, scale)
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# Apply transforms
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bpy.ops.object.transform_apply(location=True, rotation=True, scale=True)
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def create_bones(armature_obj, bones_data, scale=0.08):
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bpy.context.view_layer.objects.active = armature_obj
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bpy.ops.object.mode_set(mode='EDIT')
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edit_bones = []
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for i, bone_data in enumerate(bones_data):
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try:
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print(f"Creating bone {i}: {bone_data[0]}")
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bone = armature_obj.data.edit_bones.new(bone_data[0])
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# Convert and scale head position
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head_pos = Vector(bone_data[2]).xzy * scale
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bone.head = head_pos
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# Handle tail position
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if bone_data[6][0] is not None:
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tail_pos = Vector(bone_data[6]).xzy * scale
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bone.tail = tail_pos
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print(f"Using defined tail position for bone {bone_data[0]}")
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else:
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# Set a default tail position if not provided
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bone.tail = head_pos + Vector((0, 0.1, 0)) * scale
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print(f"Using default tail position for bone {bone_data[0]}")
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# Set parent if exists
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if bone_data[3] != -1:
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parent_bone = armature_obj.data.edit_bones[bones_data[bone_data[3]][0]]
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bone.parent = parent_bone
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print(f"Parented bone {bone_data[0]} to {parent_bone.name}")
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edit_bones.append(bone)
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except Exception as e:
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print(f"Error creating bone {i}: {str(e)}")
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continue
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# Set bone hierarchy
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for i, bone_data in enumerate(bones_data):
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if bone_data[3] != -1:
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edit_bones[i].parent = edit_bones[bone_data[3]]
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# Apply final transforms
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bpy.ops.object.mode_set(mode='OBJECT')
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armature_obj.rotation_euler[0] = 1.5708
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armature_obj.rotation_euler[2] = 3.14159
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armature_obj.select_set(True)
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bpy.ops.object.transform_apply(location=True, rotation=True, scale=True)
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return edit_bones
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def read_morph(file: BufferedReader, morph_struct, morph_bytesize, vertex_struct, vertex_size, bone_struct, bone_size, material_struct, material_size, rigid_struct, rigid_size):
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morph_name = str(file.read(struct.unpack('<i', file.read(4))[0]), 'utf-16-le', errors='replace')
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morph_english_name = str(file.read(struct.unpack('<i', file.read(4))[0]), 'utf-16-le', errors='replace')
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panel = struct.unpack('<b', file.read(1))[0]
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morph_type = struct.unpack('<b', file.read(1))[0]
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offset_size = struct.unpack('<i', file.read(4))[0]
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morph_data = []
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for _ in range(offset_size):
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if morph_type == 0: # Group
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morph_index = struct.unpack(replace_char(morph_struct, 1, '1'), file.read(morph_bytesize))[0]
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morph_value = struct.unpack('<f', file.read(4))[0]
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morph_data.append((morph_index, morph_value))
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elif morph_type == 1: # Vertex
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vertex_index = struct.unpack(replace_char(vertex_struct, 1, '1'), file.read(vertex_size))[0]
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position_offset = struct.unpack('<3f', file.read(12))
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morph_data.append((vertex_index, position_offset))
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elif morph_type == 2: # Bone
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bone_index = struct.unpack(bone_struct, file.read(bone_size))[0]
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position_offset = struct.unpack('<3f', file.read(12))
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rotation_offset = struct.unpack('<4f', file.read(16))
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morph_data.append((bone_index, position_offset, rotation_offset))
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elif morph_type == 3: # UV
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vertex_index = struct.unpack(replace_char(vertex_struct, 1, '1'), file.read(vertex_size))[0]
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uv_offset = struct.unpack('<4f', file.read(16))
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morph_data.append((vertex_index, uv_offset))
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elif morph_type == 4: # UV extended1
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vertex_index = struct.unpack(replace_char(vertex_struct, 1, '1'), file.read(vertex_size))[0]
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uv_offset = struct.unpack('<4f', file.read(16))
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morph_data.append((vertex_index, uv_offset))
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elif morph_type == 5: # UV extended2
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vertex_index = struct.unpack(replace_char(vertex_struct, 1, '1'), file.read(vertex_size))[0]
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uv_offset = struct.unpack('<4f', file.read(16))
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morph_data.append((vertex_index, uv_offset))
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elif morph_type == 6: # UV extended3
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vertex_index = struct.unpack(replace_char(vertex_struct, 1, '1'), file.read(vertex_size))[0]
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uv_offset = struct.unpack('<4f', file.read(16))
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morph_data.append((vertex_index, uv_offset))
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elif morph_type == 7: # UV extended4
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vertex_index = struct.unpack(replace_char(vertex_struct, 1, '1'), file.read(vertex_size))[0]
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uv_offset = struct.unpack('<4f', file.read(16))
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morph_data.append((vertex_index, uv_offset))
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elif morph_type == 8: # Material
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material_index = struct.unpack(replace_char(material_struct, 1, '1'), file.read(material_size))[0]
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offset_type = struct.unpack('<b', file.read(1))[0]
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diffuse_offset = struct.unpack('<4f', file.read(16))
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specular_offset = struct.unpack('<3f', file.read(12))
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specular_factor_offset = struct.unpack('<f', file.read(4))[0]
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ambient_offset = struct.unpack('<3f', file.read(12))
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edge_color_offset = struct.unpack('<4f', file.read(16))
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edge_size_offset = struct.unpack('<f', file.read(4))[0]
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texture_factor_offset = struct.unpack('<4f', file.read(16))
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sphere_texture_factor_offset = struct.unpack('<4f', file.read(16))
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toon_texture_factor_offset = struct.unpack('<4f', file.read(16))
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morph_data.append((material_index, offset_type, diffuse_offset, specular_offset, specular_factor_offset, ambient_offset, edge_color_offset, edge_size_offset, texture_factor_offset, sphere_texture_factor_offset, toon_texture_factor_offset))
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elif morph_type == 9: # Flip
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morph_index = struct.unpack(replace_char(morph_struct, 1, '1'), file.read(morph_bytesize))[0]
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morph_value = struct.unpack('<f', file.read(4))[0]
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morph_data.append((morph_index, morph_value))
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elif morph_type == 10: # Impulse
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morph_index = struct.unpack(replace_char(rigid_struct, 1, '1'), file.read(rigid_size))[0]
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local_flag = struct.unpack('<b', file.read(1))[0]
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movement_speed = struct.unpack('<3f', file.read(12))
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rotation_torque = struct.unpack('<3f', file.read(12))
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morph_data.append((morph_index, local_flag, movement_speed, rotation_torque))
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return morph_name, morph_english_name, panel, morph_type, morph_data
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def read_index_size(index, types):
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struct = "<??"
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byte_size = 0
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if index == 1:
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struct = replace_char(struct, 2, types[0])
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byte_size = 1
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elif index == 2:
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struct = replace_char(struct,2,types[1])
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byte_size = 2
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else:
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struct = replace_char(struct,2,types[2])
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byte_size = 4
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return struct, byte_size
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def import_pmx(filepath, scale=0.08):
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try:
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faces: list[tuple[int,int,int]] = []
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vertices = []
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textures = []
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|
materials = []
|
|
bones = []
|
|
morphs = []
|
|
try:
|
|
|
|
with open(filepath, mode='rb') as file:
|
|
|
|
print("stage 1")
|
|
version, encoding, additional_uvs, vertex_index_size, texture_index_size, material_index_size, bone_index_size, morph_index_size, rigid_body_index_size, model_name, model_english_name, model_comment, model_english_comment = read_pmx_header(file)
|
|
print("stage 2")
|
|
# Read vertices
|
|
print("fix 3")
|
|
vertex_count = struct.unpack('<i', file.read(4))[0]
|
|
print("stage 3")
|
|
print(vertex_count)
|
|
|
|
#====== Start reading index sizes and create helper prebuilts =====
|
|
morph_struct, morph_size = read_index_size(morph_index_size, 'bhi')
|
|
vertex_struct, vertex_size = read_index_size(vertex_index_size, 'BHi')
|
|
bone_struct, bone_size = read_index_size(bone_index_size, 'bhi')
|
|
material_struct, material_size = read_index_size(material_index_size, 'bhi')
|
|
texture_struct, texture_size = read_index_size(texture_index_size, 'bhi')
|
|
rigid_struct, rigid_size = read_index_size(rigid_body_index_size, 'bhi')
|
|
|
|
for _ in range(vertex_count):
|
|
position, normal, uv, bone_indices, bone_weights, edge_scale, additional_uv_read = read_vertex(file, bone_struct, bone_size, additional_uvs)
|
|
vertices.append((position, normal, uv, bone_indices, bone_weights, edge_scale))
|
|
|
|
# Read faces
|
|
print("stage 4")
|
|
face_count = struct.unpack('<i', file.read(4))[0]
|
|
print("stage 5")
|
|
|
|
def read_data(data, length):
|
|
return list(struct.unpack(data, file.read(length)))
|
|
|
|
face_funct = lambda: print("invalid face funct")
|
|
if vertex_index_size == 1:
|
|
face_funct = lambda: read_data('<3B',3)
|
|
elif vertex_index_size == 2:
|
|
face_funct = lambda: read_data('<3H',6)
|
|
else:
|
|
face_funct = lambda: read_data('<3i',12)
|
|
for _ in range(face_count // 3):
|
|
faces.append(face_funct())
|
|
print("stage 6")
|
|
# Read textures
|
|
texture_count = struct.unpack('<i', file.read(4))[0]
|
|
|
|
for _ in range(texture_count):
|
|
texture_path = str(file.read(struct.unpack('<i', file.read(4))[0]), 'utf-16-le', errors='replace')
|
|
textures.append(texture_path)
|
|
print("stage 7")
|
|
# Read materials
|
|
material_count = struct.unpack('<i', file.read(4))[0]
|
|
print("material count "+str(material_count))
|
|
for _ in range(material_count):
|
|
material_name, material_english_name, diffuse_color, specular_color, specular_strength, ambient_color, flag, edge_color, edge_size, texture_index, sphere_texture_index, sphere_mode, toon_sharing_flag, toon_texture_index, comment, surface_count = read_material(file, texture_struct, texture_size)
|
|
materials.append((material_name, material_english_name, diffuse_color, specular_color, specular_strength, ambient_color, flag, edge_color, edge_size, texture_index, sphere_texture_index, sphere_mode, toon_sharing_flag, toon_texture_index, comment, surface_count))
|
|
print("stage 8")
|
|
# Read bones
|
|
bone_count = struct.unpack('<i', file.read(4))[0]
|
|
print(f"Starting to read {bone_count} bones")
|
|
bones_read = 0
|
|
|
|
print("bone count: "+str(bone_count))
|
|
for i in range(bone_count):
|
|
try:
|
|
bone_name, bone_english_name, position, parent_bone_index, layer, flag, tail_position, inherit_bone_parent_index, inherit_bone_parent_influence, fixed_axis, local_x_vector, local_z_vector, external_key, ik_target_bone_index, ik_loop_count, ik_limit_radian, ik_links = read_bone(file, bone_struct, bone_size)
|
|
|
|
bones.append((bone_name, bone_english_name, position, parent_bone_index, layer, flag, tail_position, inherit_bone_parent_index, inherit_bone_parent_influence, fixed_axis, local_x_vector, local_z_vector, external_key, ik_target_bone_index, ik_loop_count, ik_limit_radian, ik_links))
|
|
|
|
print(f"Successfully read bone {i}: {bone_name}")
|
|
bones_read += 1
|
|
|
|
except Exception as e:
|
|
print(f"Error reading bone {i}: {str(e)}")
|
|
print(f"Bytes read position: {file.tell()}")
|
|
break
|
|
|
|
print(f"Finished reading bones. Total bones read: {bones_read}")
|
|
|
|
# Read morphs
|
|
morph_count = struct.unpack('<i', file.read(4))[0]
|
|
print("morph count: "+str(morph_count))
|
|
|
|
for _ in range(morph_count):
|
|
morph_name, morph_english_name, panel, morph_type, morph_data = read_morph(file, morph_struct, morph_size, vertex_struct, vertex_size, bone_struct, bone_size, material_struct, material_size, rigid_struct, rigid_size)
|
|
morphs.append((morph_name, morph_english_name, panel, morph_type, morph_data))
|
|
print("finished reading file!")
|
|
except Exception as e:
|
|
print(str(e))
|
|
|
|
mesh = bpy.data.meshes.new(model_name)
|
|
scaled_vertices = [(Vector(v[0]).xzy * scale) for v in vertices]
|
|
mesh.from_pydata(scaled_vertices, [], faces)
|
|
mesh.update()
|
|
|
|
obj = bpy.data.objects.new(model_name, mesh)
|
|
bpy.context.collection.objects.link(obj)
|
|
|
|
# Assign vertex normals
|
|
custom_normals = [(Vector(i[1]).xzy).normalized() for i in vertices]
|
|
mesh.normals_split_custom_set_from_vertices(custom_normals)
|
|
|
|
# Assign UV coordinates
|
|
uv_layer = mesh.uv_layers.new()
|
|
loop_indices_orig = tuple(i for f in faces for i in f)
|
|
uv_table = {vi:v for vi, v in enumerate([i[2] for i in vertices])}
|
|
uv_layer.data.foreach_set('uv', tuple(v for i in loop_indices_orig for v in uv_table[i]))
|
|
|
|
cur_polygon_index: int = 0
|
|
|
|
# Assign materials
|
|
for material_data in materials:
|
|
material: bpy.types.Material
|
|
if material_data[0] in bpy.data.materials:
|
|
material = bpy.data.materials[material_data[0]]
|
|
else:
|
|
material = bpy.data.materials.new(material_data[0])
|
|
|
|
material.use_nodes = True
|
|
for node in [node for node in material.node_tree.nodes]:
|
|
material.node_tree.nodes.remove(node)
|
|
|
|
# Create main nodes
|
|
principled_node = material.node_tree.nodes.new(type="ShaderNodeBsdfPrincipled")
|
|
principled_node.location = (0, 300)
|
|
|
|
output_node = material.node_tree.nodes.new(type="ShaderNodeOutputMaterial")
|
|
output_node.location = (300, 300)
|
|
|
|
# Set up main texture
|
|
albedo_node = material.node_tree.nodes.new(type="ShaderNodeTexImage")
|
|
albedo_node.location = (-600, 400)
|
|
|
|
if textures[material_data[9]] in bpy.data.images:
|
|
albedo_node.image = bpy.data.images[textures[material_data[9]]]
|
|
else:
|
|
albedo_node.image = bpy.data.images.new(name=textures[material_data[9]], width=32, height=32)
|
|
albedo_node.image.filepath = os.path.join(os.path.dirname(filepath), textures[material_data[9]])
|
|
albedo_node.image.source = 'FILE'
|
|
albedo_node.extension = 'REPEAT'
|
|
albedo_node.image.reload()
|
|
|
|
# Set material properties
|
|
principled_node.inputs["Base Color"].default_value = material_data[2]
|
|
principled_node.inputs["Specular IOR Level"].default_value = material_data[4]
|
|
principled_node.inputs["Roughness"].default_value = 0.5
|
|
principled_node.inputs["Metallic"].default_value = 0.0
|
|
|
|
# Handle transparency
|
|
if material_data[2][3] < 0.99:
|
|
material.blend_method = 'HASHED'
|
|
material.use_backface_culling = False
|
|
material.alpha_threshold = 0.5
|
|
material.show_transparent_back = True
|
|
|
|
# Create mix shader for transparency
|
|
mix_shader = material.node_tree.nodes.new(type='ShaderNodeMixShader')
|
|
mix_shader.location = (100, 300)
|
|
transparent_node = material.node_tree.nodes.new(type='ShaderNodeBsdfTransparent')
|
|
transparent_node.location = (-200, 200)
|
|
|
|
# Connect nodes for transparency
|
|
material.node_tree.links.new(mix_shader.inputs[0], albedo_node.outputs["Alpha"])
|
|
material.node_tree.links.new(mix_shader.inputs[1], transparent_node.outputs[0])
|
|
material.node_tree.links.new(mix_shader.inputs[2], principled_node.outputs[0])
|
|
material.node_tree.links.new(output_node.inputs["Surface"], mix_shader.outputs[0])
|
|
else:
|
|
material.blend_method = 'OPAQUE'
|
|
material.node_tree.links.new(output_node.inputs["Surface"], principled_node.outputs[0])
|
|
|
|
# Connect color
|
|
material.node_tree.links.new(principled_node.inputs["Base Color"], albedo_node.outputs["Color"])
|
|
|
|
if not (material.name in mesh.materials):
|
|
mesh.materials.append(material)
|
|
|
|
end: int = cur_polygon_index + material_data[15] - 1
|
|
for face in mesh.polygons.items()[cur_polygon_index:end]:
|
|
face[1].material_index = mesh.materials.find(material.name)
|
|
|
|
cur_polygon_index = cur_polygon_index + material_data[15]
|
|
|
|
# Create armature and assign bones
|
|
armature = bpy.data.armatures.new(model_name + "_Armature")
|
|
armature_obj = bpy.data.objects.new(model_name + "_Armature", armature)
|
|
bpy.context.collection.objects.link(armature_obj)
|
|
obj.parent = armature_obj
|
|
modifier = obj.modifiers.new("Armature", 'ARMATURE')
|
|
modifier.object = armature_obj
|
|
|
|
bpy.context.view_layer.objects.active = armature_obj
|
|
bpy.ops.object.mode_set(mode='EDIT')
|
|
|
|
print("Starting bone creation...")
|
|
print(f"Total bones to create: {len(bones)}")
|
|
|
|
# Create the bones using our create_bones function
|
|
edit_bones = create_bones(armature_obj, bones, scale)
|
|
|
|
# Now we can safely scale and position bones
|
|
for bone in armature.edit_bones:
|
|
bone_data = next(b for b in bones if b[0] == bone.name)
|
|
bone.head = Vector(bone_data[2]).xzy * scale
|
|
if bone_data[6][0] is not None:
|
|
bone.tail = Vector(bone_data[6]).xzy * scale
|
|
else:
|
|
bone.tail = bone.head + Vector((0, 0.1 * scale))
|
|
|
|
# Assign bone weights to the mesh
|
|
for i, vertex in enumerate(vertices):
|
|
for j in range(0, len(vertex[3])):
|
|
if vertex[3][j] != -1 and vertex[3][j] < len(bones):
|
|
bone_name = bones[vertex[3][j]][0]
|
|
weight = vertex[4][j]
|
|
|
|
vertex_group = obj.vertex_groups.get(bone_name)
|
|
if not vertex_group:
|
|
vertex_group = obj.vertex_groups.new(name=bone_name)
|
|
|
|
vertex_group.add([i], weight, 'REPLACE')
|
|
|
|
# Assign morphs to the mesh
|
|
for morph_data in morphs:
|
|
morph_name = morph_data[0]
|
|
morph_type = morph_data[3]
|
|
|
|
if morph_type == 1: # Vertex morph
|
|
shape_key = obj.shape_key_add(name=morph_name)
|
|
for offset_data in morph_data[4]:
|
|
vertex_index = offset_data[0]
|
|
offset = offset_data[1]
|
|
shape_key.data[vertex_index].co += mathutils.Vector(offset)
|
|
|
|
#ROTATE LAST!
|
|
armature_obj.rotation_euler[0] = 1.5708
|
|
armature_obj.rotation_euler[2] = 3.14159
|
|
armature_obj.select_set(True)
|
|
obj.select_set(True)
|
|
bpy.ops.object.transform_apply(location=True, rotation=True, scale=True)
|
|
|
|
print(f"Successfully imported PMX file: {filepath}")
|
|
print(f"Model Name: {model_name}")
|
|
print(f"Model English Name: {model_english_name}")
|
|
print(f"Model Comment: {model_comment}")
|
|
print(f"Model English Comment: {model_english_comment}")
|
|
except Exception as e:
|
|
print(f"Error importing PMX file: {filepath}")
|
|
print(f"Error details hhh: {traceback.format_exc()}")
|