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97 lines
3.1 KiB
Python
97 lines
3.1 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2014 Johannes Schauer <j.schauer@email.de>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import zlib
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import struct
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import os
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from PIL import Image, ImageDraw
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def is_pcx(data):
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size,width,height = struct.unpack("<III",data[:12])
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return size == width*height or size == width*height*3
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def read_pcx(data):
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size,width,height = struct.unpack("<III",data[:12])
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if size == width*height:
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im = Image.fromstring('P', (width,height),data[12:12+width*height])
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palette = []
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for i in range(256):
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offset=12+width*height+i*3
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r,g,b = struct.unpack("<BBB",data[offset:offset+3])
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palette.extend((r,g,b))
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im.putpalette(palette)
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return im
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elif size == width*height*3:
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return Image.fromstring('RGB', (width,height),data[12:])
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else:
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return None
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def unpack_lod(infile,outdir):
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f = open(infile)
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header = f.read(4)
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if header != 'LOD\0':
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print "not LOD file: %s"%header
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return False
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f.seek(8)
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total, = struct.unpack("<I", f.read(4))
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f.seek(92)
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files=[]
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for i in range(total):
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filename, = struct.unpack("16s", f.read(16))
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filename = filename[:filename.index('\0')].lower()
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offset,size,_,csize = struct.unpack("<IIII", f.read(16))
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files.append((filename,offset,size,csize))
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for filename,offset,size,csize in files:
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filename=os.path.join(outdir,filename)
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print filename
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f.seek(offset)
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if csize != 0:
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data = zlib.decompress(f.read(csize))
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else:
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data = f.read(size)
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if is_pcx(data):
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im = read_pcx(data)
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if not im:
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return False
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filename = os.path.splitext(filename)[0]
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filename = filename+".png"
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im.save(filename)
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else:
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with open(filename,"w+") as o:
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o.write(data)
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return True
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if __name__ == '__main__':
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import sys
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if len(sys.argv) != 3:
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print "usage: %s infile.lod ./outdir"%sys.argv[0]
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print ""
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print "usually after installing the normal way:"
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print " %s .vcmi/Data/H3bitmap.lod .vcmi/Mods/vcmi/Data/"%sys.argv[0]
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print " rm .vcmi/Data/H3bitmap.lod"
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print " %s .vcmi/Data/H3sprite.lod .vcmi/Mods/vcmi/Data/"%sys.argv[0]
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print " rm .vcmi/Data/H3sprite.lod"
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exit(1)
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ret = unpack_lod(sys.argv[1], sys.argv[2])
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exit(0 if ret else 1)
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