504 lines
12 KiB
Python
504 lines
12 KiB
Python
"""
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MIT License
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Copyright (c) 2020 Benjamin Collins (kion @ dashgl.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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"""
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import os
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import struct
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from PowerVR import PowerVR
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from NinjaTexture import NinjaTexture
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from NinjaMaterial import NinjaMaterial
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from NinjaVertex import NinjaVertex
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from NinjaFace import NinjaFace
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from NinjaBone import NinjaBone
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class NinjaModel: # {
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def __init__(self, model_name, tex_name):
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# File Information
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self.model_name = model_name
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self.model_path = 'input/' + model_name
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self.file = open(self.model_path, 'rb')
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self.length = os.path.getsize(self.model_path)
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self.tex_name = tex_name
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self.tex_path = 'input/' + tex_name
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# Textures
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self.mat_list = []
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self.tex_list = []
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# Bone List
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self.bones = []
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#Vertex List
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self.index_lookup = [ None ] * 5000
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self.vertex_list = []
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self.face_list = []
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return None
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def parse(self):
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self.parseTexture()
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self.parseModel()
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return None
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def parseTexture(self):
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pvm = PowerVR(self.tex_name)
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self.tex_list = pvm.parse()
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return None
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def parseModel(self):
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print("Execute parse")
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while self.file.tell() < self.length:
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bytes = self.file.read(4)
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if(bytes == b'NJTL') :
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print('Found Ninja Texture List')
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bytes = self.file.read(4)
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len = struct.unpack('I', bytes)[0]
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pos = self.file.tell() + len
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self.readNjtl()
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self.file.seek(pos, 0)
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elif (bytes == b'NJCM') :
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print('Found Ninja Chunk Model')
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bytes = self.file.read(4)
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len = struct.unpack('I', bytes)[0]
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pos = self.file.tell() + len
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self.pof = self.file.tell()
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self.readNjcm(None)
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self.file.seek(pos, 0)
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elif (bytes == b'NMDM') :
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print('Found Ninja Direct Motion')
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self.file.close()
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print("End Parse")
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return None
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def readNjtl(self):
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pof = self.file.tell()
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bytes = self.file.read(8)
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n = struct.unpack('II', bytes)
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str_ofs = []
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self.file.seek(n[0] + pof, 0)
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for i in range(0, n[1]):
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bytes = self.file.read(12)
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m = struct.unpack('III', bytes)
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str_ofs.append(m[0] + pof)
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for ofs in str_ofs:
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name = ''
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self.file.seek(ofs, 0)
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while 1:
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ch = self.file.read(1)
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if(ch == b'\0'):
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break
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name += ch.decode()
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return None
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def readNjcm(self, parentBone):
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bytes = self.file.read(52)
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b = struct.unpack('IIfffiiifffII', bytes)
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flags = b[0]
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model_ofs = b[1]
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pos = ( b[2], b[3], b[4] )
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rot = ( b[5], b[6], b[7] )
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scl = ( b[8], b[9], b[10] )
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child_ofs = b[11]
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sibling_ofs = b[12]
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self.bone = NinjaBone()
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if ( (flags & 0x04) == 0):
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self.bone.setScale(scl)
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if ( (flags & 0x02) == 0):
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self.bone.setRotation(rot, flags & 0x20)
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if ( (flags & 0x01) == 0):
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self.bone.setPosition(pos)
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num = len(self.bones)
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self.bone.setName(num)
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self.bones.append(self.bone)
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print(self.bone.name)
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if parentBone:
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parentBone.add(self.bone)
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if model_ofs:
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self.file.seek(model_ofs + self.pof, 0)
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self.readModel()
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if child_ofs:
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self.file.seek(child_ofs + self.pof, 0)
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self.readNjcm(self.bone)
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if sibling_ofs:
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self.file.seek(sibling_ofs + self.pof, 0)
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self.readNjcm(parentBone)
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return None
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def readModel(self):
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bytes = self.file.read(24)
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m = struct.unpack('IIffff', bytes)
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vertex_ofs = m[0]
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chunk_ofs = m[1]
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center = (m[2], m[3], m[4])
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radius = m[5]
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if vertex_ofs:
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self.file.seek(vertex_ofs + self.pof, 0)
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self.readVertexList()
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if chunk_ofs:
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self.file.seek(chunk_ofs + self.pof, 0)
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self.readChunkList()
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return None
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def readVertexList(self):
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print("Reading vertex list")
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bytes = self.file.read(8)
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c = struct.unpack('BBHHH', bytes)
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chunk_head = c[0]
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chunk_flag = c[1]
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chunk_len = c[2]
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vertex_ofs = c[3]
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vertex_count = c[4]
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if chunk_head != 41:
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print("ERROR!!! NEW VERTEX TYPE!!!!")
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print("Chunk Head: %d" % chunk_head)
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print("Chunk Flag: %d" % chunk_flag)
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print("Vertex Ofs: %d" % vertex_ofs)
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print("Vertex Count: %d" % vertex_count)
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for i in range(vertex_count):
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bytes = self.file.read(24)
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v = struct.unpack('ffffff', bytes)
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vertex = NinjaVertex()
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vertex.setPosition( v[0], v[1], v[2] )
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vertex.setNormal( v[3], v[4], v[5] )
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vertex.setSkinWeight(0, self.bone.id, 1.0)
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self.bone.apply(vertex)
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self.index_lookup[vertex_ofs] = len(self.vertex_list)
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vertex_ofs += 1
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self.vertex_list.append(vertex)
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pos = self.file.tell()
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bytes = self.file.read(2)
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c = struct.unpack('BB', bytes)
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chunk_head = c[0]
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chunk_flag = c[1]
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if chunk_head != 255:
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print("ERROR ANOTHER VERTEX LIST DETECTED")
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print("End Chunk Head: %d" % chunk_head)
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print("End Chunk Flag: %d" % chunk_flag)
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return None
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def readChunkList(self):
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print("---- Reading Chunk List ---")
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print("Chunk Offset: 0x%08x" % self.file.tell())
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while 1:
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bytes = self.file.read(2)
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c = struct.unpack('BB', bytes)
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chunk_head = c[0]
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chunk_flag = c[1]
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if chunk_head == 255:
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break
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elif chunk_head == 0:
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print("Null Chunk")
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continue
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elif chunk_head >= 1 and chunk_head <= 5:
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print("Tiny Chunk Found!!!")
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if chunk_head == 1:
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print("Blend Alpha Adjust!!")
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elif chunk_head == 2:
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print("Mipmap adjust")
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elif chunk_head == 3:
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print("Specular exponent")
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elif chunk_head == 4:
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print("Save offset!!!")
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elif chunk_head == 5:
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print("Jumpt to offset!!!")
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elif chunk_head >= 17 and chunk_head <= 23:
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print("Chunk: Material")
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bytes = self.file.read(2)
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short_len = struct.unpack('H', bytes)
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self.material = NinjaMaterial()
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dst_alpha = chunk_flag & 0x07
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src_alpha = chunk_flag >> 3
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if chunk_head & 0x01:
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bytes = self.file.read(4)
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c = struct.unpack('BBBB', bytes)
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b = c[0] / 255.0
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g = c[1] / 255.0
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r = c[2] / 255.0
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a = c[3] / 255.0
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self.material.setDiffuseColor(r, g, b, a)
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if chunk_head & 0x02:
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bytes = self.file.read(4)
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c = struct.unpack('BBBB', bytes)
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b = c[0] / 255.0,
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g = c[1] / 255.0,
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r = c[2] / 255.0,
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a = c[3] / 255.0
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if chunk_head & 0x04:
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bytes = self.file.read(4)
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c = struct.unpack('BBBB', bytes)
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b = c[0] / 255.0,
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g = c[1] / 255.0,
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r = c[2] / 255.0,
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coef = c[3] / 255.0
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elif chunk_head >= 8 and chunk_head <= 9:
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print("Chunk: Tiny")
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bytes = self.file.read(2)
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chunk_body = struct.unpack('H', bytes)[0]
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mip_depth = chunk_flag & 0x07
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clamp_u = chunk_flag & 0x08
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clamp_v = chunk_flag & 0x10
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flip_u = chunk_flag & 0x20
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flip_v = chunk_flag & 0x40
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tex_id = chunk_body & 0x1fff
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super_sample = chunk_body >> 13 & 0x01
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filter_sample = chunk_body >> 14 & 0x03
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self.material = self.material.clone()
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self.material.setTexIndex(tex_id)
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elif chunk_head >= 64 and chunk_head <= 66:
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print("Chunk Strip!!!")
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bytes = self.file.read(4)
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h = struct.unpack('HH', bytes)
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chunk_len = h[0] * 2
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chunk_body = h[1]
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mat_index = -1
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for i in range(len(self.mat_list)):
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if self.material != self.mat_list[i]:
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continue
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mat_index = i
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break
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if mat_index == -1:
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mat_index = len(self.mat_list)
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self.material.setIndex(len(self.mat_list))
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self.mat_list.append(self.material)
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ignore_light = chunk_flag & 0x01
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ignore_specular = chunk_flag & 0x02
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ignore_ambient = chunk_flag & 0x04
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use_alpha = chunk_flag & 0x08
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double_side = chunk_flag & 0x10
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flat_shading = chunk_flag & 0x20
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environment_mapping = chunk_flag & 0x20
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strip_count = chunk_body & 0x3fff;
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user_offset = chunk_body >> 14
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print("Strip count: %d" % strip_count)
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for i in range (strip_count): # {
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print("Strip Start: 0x%08x" % self.file.tell())
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bytes = self.file.read(2)
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strip_len = struct.unpack('h', bytes)[0]
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print("Strip Count: %d" % strip_len)
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counter_clockwise = strip_len < 0
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strip_len = abs(strip_len)
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strip = []
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for k in range (strip_len): # {
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bytes = self.file.read(2)
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index = struct.unpack('H', bytes)[0]
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index = self.index_lookup[index]
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if chunk_head == 64:
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strip.append({
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'index' : index
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})
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continue
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bytes = self.file.read(4)
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uv = struct.unpack('hh', bytes)
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u = uv[0]
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v = uv[1]
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if chunk_head == 65:
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u = u / 255.0
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v = v / 255.0
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elif chunk_head == 66:
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u = u / 1023.0
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v = v / 1023.0
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strip.append({
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'index' : index,
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'uv' : { 'u' : u, 'v' : v }
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})
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# }
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for i in range(len(strip) - 2): #{
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if i % 2 == 0 and not counter_clockwise:
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a = strip[i + 0]
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b = strip[i + 1]
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c = strip[i + 2]
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else :
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a = strip[i + 1]
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b = strip[i + 0]
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c = strip[i + 2]
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ai = a['index']
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bi = b['index']
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ci = c['index']
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va = self.vertex_list[a['index']]
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vb = self.vertex_list[a['index']]
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vc = self.vertex_list[a['index']]
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face = NinjaFace()
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face.setMatIndex(mat_index)
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face.setIndexes(ai, bi, ci)
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face.setNormals(va.norm, vb.norm, vc.norm)
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face.setDiffuseUv(a['uv'], b['uv'], c['uv'])
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self.face_list.append(face)
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print(face)
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# }
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# }
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print("Strip End: 0x%08x" % self.file.tell())
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else:
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print("Unknown Chunk Type %d" % chunk_head)
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print("Unknown Chunk Flag %d" % chunk_flag)
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print("Unknown File Position: 0x%08x" % self.file.tell())
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#end While
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return None
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def export(self):
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print("EXPORTING DMF!!!")
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pre, ext = os.path.splitext(self.model_name)
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pre = pre.replace('/', '_')
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f = open('output/' + pre + '.DMF', 'wb')
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# Write Magic
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f.write(b'DASH')
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f.write(struct.pack('HHII', 1, 5, 0x10, 0x06))
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#Write Table
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f.write(b'tex\0')
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f.write(struct.pack('III', 0, 0, 0))
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f.write(b'mat\0')
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f.write(struct.pack('III', 0, 0, 0))
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f.write(b'vert')
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f.write(struct.pack('III', 0, 0, 0))
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f.write(b'face')
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f.write(struct.pack('III', 0, 0, 0))
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f.write(b'bone')
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f.write(struct.pack('III', 0, 0, 0))
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f.write(b'anim')
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f.write(struct.pack('III', 0, 0, 0))
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# Write Textures
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pos = f.tell()
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count = len(self.tex_list)
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f.seek(0x18, 0)
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f.write(struct.pack('II', pos, count))
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f.seek(0, 2)
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for tex in self.tex_list:
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tex.createDmfEntry(f)
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for tex in self.tex_list:
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tex.writeDmfTexture(f)
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# Write Materials
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pos = f.tell()
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count = len(self.mat_list)
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f.seek(0x28, 0)
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f.write(struct.pack('II', pos, count))
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f.seek(0, 2)
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for mat in self.mat_list:
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mat.createDmfEntry(f)
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# Write Vertices
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pos = f.tell()
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count = len(self.vertex_list)
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f.seek(0x38, 0)
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f.write(struct.pack('II', pos, count))
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f.seek(0, 2)
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for vert in self.vertex_list:
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vert.createDmfEntry(f)
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while f.tell() % 0x10:
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f.write(struct.pack('B', 0))
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# Write Faces
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pos = f.tell()
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count = len(self.face_list)
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f.seek(0x48, 0)
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f.write(struct.pack('II', pos, count))
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f.seek(0, 2)
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for face in self.face_list:
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face.createDmfEntry(f)
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while f.tell() % 0x10:
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f.write(struct.pack('B', 0))
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f.close()
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return None
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