Added README, definfo.py, shred.py
- added README.md - added definfo.py to retrieve information of DEF files - remove shredding option from defextract and lodextract - added shred.py which modifies PNG images or directories of them - support DEF files with different full width and height in individual frames (only ovslot.def) - removed common.pymain
josch
10 years ago
parent
d75925f840
commit
6c2557dec8
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This is a set of scripts which shows how to unpack all bitmaps and animations
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of Heroes of Might and Magic 3 into PNG images and then back into the formats
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understood by VCMI.
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These scripts are probably the first open source implementation of a writer for
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the Heroes of Might and Magic 3 animation format called DEF. They are meant to
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make it possible for artists to create a free replacement for the proprietary
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assets VCMI currently needs.
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Install VCMI and then install original game files via any of the following methods:
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vcmibuilder --cd1 /path/to/iso/or/cd --cd2 /path/to/second/cd --download
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vcmibuilder --gog /path/to/gog.com/installer --download
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vcmibuilder --data /path/to/h3/data --download
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Symlink sprites to Data directory
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ln -s Data ~/.vcmi/Sprites
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Backup original archives:
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mkdir ~/lods
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for f in H3ab_bmp.lod H3ab_spr.lod H3bitmap.lod H3sprite.lod; do mv ~/.vcmi/Data/$f ~/lods; done
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for f in hmm35wog.pac "wog - animated objects.pac" "wog - animated trees.pac" "wog - battle decorations.pac"; do mv ~/.vcmi/Mods/WoG/Data/"$f" ~/lods; done
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Extract archives:
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for f in H3bitmap.lod H3sprite.lod H3ab_bmp.lod H3ab_spr.lod hmm35wog.pac "wog - animated objects.pac" "wog - animated trees.pac" "wog - battle decorations.pac"; do python lodextract.py ~/lods/"$f" ~/.vcmi/Data/; done
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Backup original DEFs:
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mkdir ~/defs
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mv ~/.vcmi/Data/*.def ~/defs
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rm ~/defs/sgtwmta.def ~/defs/sgtwmtb.def # these are having higher offsets than size
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Extract all DEFs into JSON files and directories with PNG images:
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for f in ~/defs/*; do python defextract.py $f ~/.vcmi/Data || break; done
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(optional) modify all frames:
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for d in ~/.vcmi/Data/*.dir; do python shred.py $d || break; done
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(optional) modify all bitmaps:
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for f in ~/.vcmi/Data/*.png; do python shred.py $f || break; done
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Repack all JSON:
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for f in ~/.vcmi/Data/*.json; do python makedef.py $f ~/.vcmi/Data || break; done
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In case you followed the optional steps, enjoy your LSD infused game now :)
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After above steps you will have a mixture of DEF files as well as JSON
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files and their *.dir data directories. All parts of vcmi that support it will
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read the animations from the JSON files now. All others will fall back to
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reading the DEF files.
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You can now make changes to either the PNG images in the Data directory or in
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the *.dir subdirectories. If you make changes to PNG images in *.dir
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subdirectories you might have to repack them into DEF files for all animations
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which do not support JSON animations yet.
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I only tested these scripts on Linux because I do not own a license for Windows
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or MacOS. Patches welcome.
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@ -0,0 +1,58 @@
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#!/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 struct
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from collections import defaultdict
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from common import sanitize_filename
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def main(infile):
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f = open(infile)
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t,_x,_y,blocks = struct.unpack("<IIII", f.read(16))
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print "%d %d %d %d"%(t,_x,_y,blocks)
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palette = []
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for i in range(256):
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r,g,b = struct.unpack("<BBB", f.read(3))
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palette.extend((r,g,b))
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print palette
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offsets = defaultdict(list)
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for i in range(blocks):
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bid,entries,x_,y_ = struct.unpack("<IIII", f.read(16))
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print bid,entries,x_,y_
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names=[]
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for j in range(entries):
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name, = struct.unpack("13s", f.read(13))
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name = sanitize_filename(name)
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print j, name
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names.append(name)
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for n in names:
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offs, = struct.unpack("<I", f.read(4))
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offsets[bid].append((n,offs))
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print "#\tnum\tsize\tformat\tfwidth\tfheight\twidth\theight\tlmargin\ttmargin"
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for bid,l in offsets.items():
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for j,(n,offs) in enumerate(l):
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f.seek(offs)
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s,fmt,fw,fh,w,h,lm,tm = struct.unpack("<IIIIIIii", f.read(32))
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print "frame:\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d"%(j,s,fmt,fw,fh,w,h,lm,tm)
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if __name__ == '__main__':
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import sys
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if len(sys.argv) != 2:
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print "usage: %s input.def"%sys.argv[0]
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exit(1)
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main(sys.argv[1])
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#!/usr/bin/env python
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import numpy as np
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from PIL import Image
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import crcmod
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import os
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crc24_func = crcmod.mkCrcFun(0x1864CFBL) # polynomial from libgcrypt
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def handle_img(inf, color):
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with open(inf) as f:
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im = Image.open(f)
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pal = im.getpalette()
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pixels = np.array(im)
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if pal:
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pal[765], pal[766], pal[767] = color
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pixels[pixels > 7] = 255
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im = Image.fromarray(pixels)
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im.putpalette(pal)
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else:
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# non-palette pictures have no transparency
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im = Image.new('RGB', im.size, color)
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# in case we ever want to replace colors in rgb images:
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#rc, gc, bc = pixels[:,:,0], pixels[:,:,1], pixels[:,:,2]
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#mask = (rc == 0) & (gc == 255) & (bc == 255)
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#pixels[:,:,:3][mask] = color
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im.save(inf)
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def main(inf):
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print "processing %s"%inf
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crc = crc24_func(inf)
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r = crc>>16
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g = (crc&0xff00)>>8
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b = crc&0xff
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color = r%255,g%255,b%255 # avoid hitting special values
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if os.path.isdir(inf):
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for fname in os.listdir(inf):
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fname = os.path.join(inf,fname)
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handle_img(fname, color)
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else:
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handle_img(inf, color)
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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) != 2:
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print "usage: %s indir/infile"
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exit(0)
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ret = main(sys.argv[1])
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exit(0 if ret else 1)
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