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correct line endings
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fgsfds
parent
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commit
8b71a1a734
2 changed files with 246 additions and 246 deletions
280
c2obj.py
280
c2obj.py
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@ -1,141 +1,141 @@
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"""
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This module attempts to parse the ``model.inc.c`` files and extract the
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3D models within as standard Wavefront OBJ files.
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Example:
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Specify the path to the ``.inc.c`` file and a directory where to save
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the extracted ``.obj`` files.
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$ python c2obj.py ./actors/mario/model.inc.c ./actors/mario/obj/
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This is a work in progress and it currently has some serious limitations:
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* It only extracts geometry information, so no textures or any other info
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* It makes assumptions about the layout of the code in the C source
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* It hasn't been properly tested.
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"""
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def parse(filename, output_directory):
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from os import path, mkdir
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if not path.isdir(output_directory):
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try:
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mkdir(output_directory)
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except OSError:
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print(f'Could not use output directory {output_directory}.')
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vtx_def = 'static const Vtx '
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vtx_data = {}
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reading_vtx = False
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current_vtx_name = ''
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current_vtx_data = []
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current_vtx_vertices = 0
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gfx_def = 'const Gfx '
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reading_gfx = False
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current_gfx_vertices = 0
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current_gfx_faces = 0
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insert_vert_call = 'gsSPVertex('
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insert_1tri_call = 'gsSP1Triangle('
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insert_2tri_call = 'gsSP2Triangles('
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gfx_count = 0
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end_of_block = '};'
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with open(filename, 'r') as f:
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for line in f:
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line = line.strip()
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if line.startswith(vtx_def):
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vtx_name = line.split(' ')[3][:-2]
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current_vtx_name = vtx_name
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current_vtx_data = []
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reading_vtx = True
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continue
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if line.startswith(gfx_def):
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from datetime import datetime
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current_gfx_name = line.split(' ')[2][:-2]
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current_gfx_file = open(path.join(output_directory, current_gfx_name + '.obj'), 'w')
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current_gfx_file.write("# Armando Arredondo's SM64 Wavefront OBJ Geometry Converter\n")
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current_gfx_file.write('# File Created: {}\n\n'.format(datetime.now()))
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reading_gfx = True
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continue
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if line == end_of_block:
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if reading_vtx:
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vtx_data[current_vtx_name] = current_vtx_data
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reading_vtx = False
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elif reading_gfx:
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current_gfx_file.write(f'# {current_gfx_faces} faces\n\n')
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current_gfx_file.close()
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current_gfx_vertices = 0
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reading_gfx = False
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gfx_count += 1
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continue
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if reading_vtx:
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line = line.replace('{', '[').replace('}', ']')
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tri = eval(line[:-1])[0]
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current_vtx_data.append(tri)
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continue
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if reading_gfx:
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if line.startswith(insert_vert_call):
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args = line[len(insert_vert_call):].split(',')
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current_vtx_name = args[0]
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if current_gfx_vertices > 0:
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current_gfx_file.write(f'# {current_gfx_faces} faces\n\n')
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current_gfx_faces = 0
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current_vtx_vertices = len(vtx_data[current_vtx_name])
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current_gfx_vertices += current_vtx_vertices
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current_gfx_file.write(f'#\n# object {current_vtx_name}\n#\n\n')
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current_vtx_data = vtx_data[current_vtx_name]
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for tri in current_vtx_data:
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v = tri[0]
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current_gfx_file.write('v {:.3f} {:.3f} {:.3f}\n'.format(*v))
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current_gfx_file.write(f'# {current_vtx_vertices} vertices\n\n')
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for tri in current_vtx_data:
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n = [_decode_normal(u) for u in tri[3][:3]]
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current_gfx_file.write('vn {:.3f} {:.3f} {:.3f}\n'.format(*n))
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current_gfx_file.write(f'# {current_vtx_vertices} vertex normals\n\n')
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current_gfx_file.write(f'g {current_vtx_name}\n\n')
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elif line.startswith(insert_2tri_call):
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args = line[len(insert_2tri_call):].split(',')
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correction = current_gfx_vertices - current_vtx_vertices + 1
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indexes = [eval(args[i]) + correction for i in [0, 1, 2, 4, 5, 6]]
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current_gfx_file.write('f {0}//{0} {1}//{1} {2}//{2}\n'.format(*indexes[:3]))
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current_gfx_file.write('f {0}//{0} {1}//{1} {2}//{2}\n'.format(*indexes[3:]))
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current_gfx_faces += 2
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elif line.startswith(insert_1tri_call):
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args = line[len(insert_1tri_call):].split(',')
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correction = current_gfx_vertices - current_vtx_vertices + 1
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indexes = [eval(args[i]) + correction for i in [0, 1, 2]]
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current_gfx_file.write('f {0}//{0} {1}//{1} {2}//{2}\n'.format(*indexes))
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current_gfx_faces += 1
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continue
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print(f'{gfx_count} models extracted.')
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def _decode_normal(x):
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y = x if x <= 127 else x - 255
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return y / 127
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if __name__ == "__main__":
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument('filename', help = 'filename of the .inc.c source file')
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parser.add_argument('output_directory', help = 'directory where to put the extracted .obj files')
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args = parser.parse_args()
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"""
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This module attempts to parse the ``model.inc.c`` files and extract the
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3D models within as standard Wavefront OBJ files.
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Example:
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Specify the path to the ``.inc.c`` file and a directory where to save
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the extracted ``.obj`` files.
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$ python c2obj.py ./actors/mario/model.inc.c ./actors/mario/obj/
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This is a work in progress and it currently has some serious limitations:
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* It only extracts geometry information, so no textures or any other info
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* It makes assumptions about the layout of the code in the C source
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* It hasn't been properly tested.
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"""
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def parse(filename, output_directory):
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from os import path, mkdir
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if not path.isdir(output_directory):
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try:
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mkdir(output_directory)
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except OSError:
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print(f'Could not use output directory {output_directory}.')
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vtx_def = 'static const Vtx '
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vtx_data = {}
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reading_vtx = False
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current_vtx_name = ''
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current_vtx_data = []
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current_vtx_vertices = 0
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gfx_def = 'const Gfx '
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reading_gfx = False
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current_gfx_vertices = 0
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current_gfx_faces = 0
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insert_vert_call = 'gsSPVertex('
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insert_1tri_call = 'gsSP1Triangle('
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insert_2tri_call = 'gsSP2Triangles('
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gfx_count = 0
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end_of_block = '};'
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with open(filename, 'r') as f:
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for line in f:
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line = line.strip()
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if line.startswith(vtx_def):
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vtx_name = line.split(' ')[3][:-2]
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current_vtx_name = vtx_name
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current_vtx_data = []
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reading_vtx = True
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continue
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if line.startswith(gfx_def):
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from datetime import datetime
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current_gfx_name = line.split(' ')[2][:-2]
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current_gfx_file = open(path.join(output_directory, current_gfx_name + '.obj'), 'w')
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current_gfx_file.write("# Armando Arredondo's SM64 Wavefront OBJ Geometry Converter\n")
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current_gfx_file.write('# File Created: {}\n\n'.format(datetime.now()))
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reading_gfx = True
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continue
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if line == end_of_block:
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if reading_vtx:
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vtx_data[current_vtx_name] = current_vtx_data
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reading_vtx = False
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elif reading_gfx:
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current_gfx_file.write(f'# {current_gfx_faces} faces\n\n')
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current_gfx_file.close()
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current_gfx_vertices = 0
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reading_gfx = False
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gfx_count += 1
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continue
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if reading_vtx:
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line = line.replace('{', '[').replace('}', ']')
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tri = eval(line[:-1])[0]
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current_vtx_data.append(tri)
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continue
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if reading_gfx:
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if line.startswith(insert_vert_call):
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args = line[len(insert_vert_call):].split(',')
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current_vtx_name = args[0]
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if current_gfx_vertices > 0:
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current_gfx_file.write(f'# {current_gfx_faces} faces\n\n')
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current_gfx_faces = 0
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current_vtx_vertices = len(vtx_data[current_vtx_name])
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current_gfx_vertices += current_vtx_vertices
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current_gfx_file.write(f'#\n# object {current_vtx_name}\n#\n\n')
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current_vtx_data = vtx_data[current_vtx_name]
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for tri in current_vtx_data:
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v = tri[0]
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current_gfx_file.write('v {:.3f} {:.3f} {:.3f}\n'.format(*v))
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current_gfx_file.write(f'# {current_vtx_vertices} vertices\n\n')
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for tri in current_vtx_data:
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n = [_decode_normal(u) for u in tri[3][:3]]
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current_gfx_file.write('vn {:.3f} {:.3f} {:.3f}\n'.format(*n))
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current_gfx_file.write(f'# {current_vtx_vertices} vertex normals\n\n')
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current_gfx_file.write(f'g {current_vtx_name}\n\n')
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elif line.startswith(insert_2tri_call):
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args = line[len(insert_2tri_call):].split(',')
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correction = current_gfx_vertices - current_vtx_vertices + 1
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indexes = [eval(args[i]) + correction for i in [0, 1, 2, 4, 5, 6]]
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current_gfx_file.write('f {0}//{0} {1}//{1} {2}//{2}\n'.format(*indexes[:3]))
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current_gfx_file.write('f {0}//{0} {1}//{1} {2}//{2}\n'.format(*indexes[3:]))
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current_gfx_faces += 2
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elif line.startswith(insert_1tri_call):
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args = line[len(insert_1tri_call):].split(',')
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correction = current_gfx_vertices - current_vtx_vertices + 1
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indexes = [eval(args[i]) + correction for i in [0, 1, 2]]
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current_gfx_file.write('f {0}//{0} {1}//{1} {2}//{2}\n'.format(*indexes))
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current_gfx_faces += 1
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continue
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print(f'{gfx_count} models extracted.')
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def _decode_normal(x):
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y = x if x <= 127 else x - 255
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return y / 127
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if __name__ == "__main__":
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument('filename', help = 'filename of the .inc.c source file')
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parser.add_argument('output_directory', help = 'directory where to put the extracted .obj files')
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args = parser.parse_args()
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parse(args.filename, args.output_directory)
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212
obj2c.py
212
obj2c.py
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@ -1,107 +1,107 @@
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"""
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This module generates a fragment of C code, in the style of that found in
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the ``model.inc.c`` files, that encodes the geometry of the model specified
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by the Wavefront OBJ file.
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Example:
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Specify the path to the ``.obj`` file and pipe the output of the script
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into the desired destination ``.c`` file.
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$ python obj2c.py left_hand_closed.obj > left_hand_closed.inc.c
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This is a work in progress and it currently has some serious limitations:
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* It only encodes the geometry information of the OBJ file, so no
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texture mapping or any other info.
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* The generated fragment of C code has to be manually pasted into the
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desired source file. Make sure that the name of the Gfx structure
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you're pasting matches the one you're replacing.
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* It hasn't been properly tested.
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"""
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def parse(filename):
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from os.path import basename, splitext
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from re import sub
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# WARNIGN!
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# `gfx_name` is just a guess. You have to manually check that the name
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# of the Gfx structure you're pasting matches the one you're replacing.
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clean = lambda fn: sub('\W|^(?=\d)','_', fn)
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gfx_name = clean(splitext(basename(filename))[0])
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gfx_vertices = []
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gfx_normals = []
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vertex_to_normal = {}
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gfx_v_count = 0
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vtx_name = ''
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vtx_faces = []
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vtx_v_count = 0
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output_upper = []
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output_lower = [f'const Gfx {gfx_name}[] = {{']
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with open(filename, 'r') as obj:
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for line in obj:
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line = line.strip()
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if line.startswith('v '):
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coordinates = [eval(x) for x in line.split()[1:4]]
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gfx_vertices.append(coordinates)
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vtx_v_count += 1
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gfx_v_count += 1
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if line.startswith('vn '):
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coordinates = [eval(x) for x in line.split()[1:4]]
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gfx_normals.append([_encode_normal(x) for x in coordinates])
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if line.startswith('g '):
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vtx_name = line.split()[1]
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if line.startswith('f '):
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pairs = [pair.split('//') for pair in line.split()[1:4]]
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vtx_faces.append([int(pair[0]) for pair in pairs])
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for (x, y) in pairs:
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vertex_to_normal[int(x) - 1] = int(y) - 1
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if line.startswith('# ') and line.endswith('faces'):
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output_upper.append(f'static const Vtx {vtx_name}[] = {{')
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for i in range(gfx_v_count - vtx_v_count, gfx_v_count):
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v_string = '[{}, {}, {}]'.format(*gfx_vertices[i])
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n_string = '[{}, {}, {}, 0x00]'.format(*gfx_normals[vertex_to_normal[i]])
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combined = f' [[{v_string}, 0, [0, 0], {n_string}]],'
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output_upper.append(combined.replace('[', '{').replace(']', '}'))
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output_upper.append('};\n')
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output_lower.append(f' gsSPVertex({vtx_name}, {vtx_v_count}, 0),')
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n = len(vtx_faces)
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correction = vtx_v_count - gfx_v_count - 1
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for i in range(int(n / 2)):
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f1 = [vtx_faces[2 * i][j] + correction for j in range(3)]
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f2 = [vtx_faces[2 * i + 1][j] + correction for j in range(3)]
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output_lower.append(' gsSP2Triangles({}, {}, {}, 0x0, {}, {}, {}, 0x0),'.format(*f1, *f2))
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if n % 2 != 0:
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f3 = [vtx_faces[-1][j] + correction for j in range(3)]
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output_lower.append(' gsSP1Triangle({}, {}, {}, 0x0),'.format(*f3))
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vtx_v_count = 0
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vtx_faces = []
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output_lower.append(' gsSPEndDisplayList(),')
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output_lower.append('};')
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for line in output_upper + output_lower:
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print(line)
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def _encode_normal(x):
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x *= 127
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if x <= 0: x += 255
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return hex(int(x))
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if __name__ == "__main__":
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import argparse
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parser = argparse.ArgumentParser()
|
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parser.add_argument('filename', help = 'filename of the .obj file to parse')
|
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args = parser.parse_args()
|
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"""
|
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This module generates a fragment of C code, in the style of that found in
|
||||
the ``model.inc.c`` files, that encodes the geometry of the model specified
|
||||
by the Wavefront OBJ file.
|
||||
|
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Example:
|
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Specify the path to the ``.obj`` file and pipe the output of the script
|
||||
into the desired destination ``.c`` file.
|
||||
|
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$ python obj2c.py left_hand_closed.obj > left_hand_closed.inc.c
|
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|
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This is a work in progress and it currently has some serious limitations:
|
||||
* It only encodes the geometry information of the OBJ file, so no
|
||||
texture mapping or any other info.
|
||||
* The generated fragment of C code has to be manually pasted into the
|
||||
desired source file. Make sure that the name of the Gfx structure
|
||||
you're pasting matches the one you're replacing.
|
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* It hasn't been properly tested.
|
||||
|
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"""
|
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|
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def parse(filename):
|
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from os.path import basename, splitext
|
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from re import sub
|
||||
|
||||
# WARNIGN!
|
||||
# `gfx_name` is just a guess. You have to manually check that the name
|
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# of the Gfx structure you're pasting matches the one you're replacing.
|
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clean = lambda fn: sub('\W|^(?=\d)','_', fn)
|
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gfx_name = clean(splitext(basename(filename))[0])
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gfx_vertices = []
|
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gfx_normals = []
|
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vertex_to_normal = {}
|
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gfx_v_count = 0
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|
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vtx_name = ''
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vtx_faces = []
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vtx_v_count = 0
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output_upper = []
|
||||
output_lower = [f'const Gfx {gfx_name}[] = {{']
|
||||
|
||||
with open(filename, 'r') as obj:
|
||||
for line in obj:
|
||||
line = line.strip()
|
||||
|
||||
if line.startswith('v '):
|
||||
coordinates = [eval(x) for x in line.split()[1:4]]
|
||||
gfx_vertices.append(coordinates)
|
||||
vtx_v_count += 1
|
||||
gfx_v_count += 1
|
||||
|
||||
if line.startswith('vn '):
|
||||
coordinates = [eval(x) for x in line.split()[1:4]]
|
||||
gfx_normals.append([_encode_normal(x) for x in coordinates])
|
||||
|
||||
if line.startswith('g '):
|
||||
vtx_name = line.split()[1]
|
||||
|
||||
if line.startswith('f '):
|
||||
pairs = [pair.split('//') for pair in line.split()[1:4]]
|
||||
vtx_faces.append([int(pair[0]) for pair in pairs])
|
||||
for (x, y) in pairs:
|
||||
vertex_to_normal[int(x) - 1] = int(y) - 1
|
||||
|
||||
if line.startswith('# ') and line.endswith('faces'):
|
||||
output_upper.append(f'static const Vtx {vtx_name}[] = {{')
|
||||
for i in range(gfx_v_count - vtx_v_count, gfx_v_count):
|
||||
v_string = '[{}, {}, {}]'.format(*gfx_vertices[i])
|
||||
n_string = '[{}, {}, {}, 0x00]'.format(*gfx_normals[vertex_to_normal[i]])
|
||||
combined = f' [[{v_string}, 0, [0, 0], {n_string}]],'
|
||||
output_upper.append(combined.replace('[', '{').replace(']', '}'))
|
||||
|
||||
output_upper.append('};\n')
|
||||
output_lower.append(f' gsSPVertex({vtx_name}, {vtx_v_count}, 0),')
|
||||
|
||||
n = len(vtx_faces)
|
||||
correction = vtx_v_count - gfx_v_count - 1
|
||||
for i in range(int(n / 2)):
|
||||
f1 = [vtx_faces[2 * i][j] + correction for j in range(3)]
|
||||
f2 = [vtx_faces[2 * i + 1][j] + correction for j in range(3)]
|
||||
output_lower.append(' gsSP2Triangles({}, {}, {}, 0x0, {}, {}, {}, 0x0),'.format(*f1, *f2))
|
||||
|
||||
if n % 2 != 0:
|
||||
f3 = [vtx_faces[-1][j] + correction for j in range(3)]
|
||||
output_lower.append(' gsSP1Triangle({}, {}, {}, 0x0),'.format(*f3))
|
||||
|
||||
vtx_v_count = 0
|
||||
vtx_faces = []
|
||||
|
||||
output_lower.append(' gsSPEndDisplayList(),')
|
||||
output_lower.append('};')
|
||||
|
||||
for line in output_upper + output_lower:
|
||||
print(line)
|
||||
|
||||
def _encode_normal(x):
|
||||
x *= 127
|
||||
if x <= 0: x += 255
|
||||
return hex(int(x))
|
||||
|
||||
if __name__ == "__main__":
|
||||
import argparse
|
||||
parser = argparse.ArgumentParser()
|
||||
parser.add_argument('filename', help = 'filename of the .obj file to parse')
|
||||
args = parser.parse_args()
|
||||
parse(args.filename)
|
||||
Loading…
Reference in a new issue