PythonAfBkParser

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Revision as of 18:15, 22 November 2009 by Chaosbm (talk | contribs) (Add sample AF and BK parser)
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This python script will load .af and .bk files.

Code

<pre> import struct class Obj(object): def __init__(self, **kw): for k, v in kw.items(): self.__setattr__(k, v) def read_af_file(f): header = struct.unpack('<HhlBHllllBB', f.read(29)) anims = [] while True: animNum = struct.unpack('<B', f.read(1))[0] if animNum >= 70: break anim = read_animation(f) anim.animAttrs = f.read(21) anim.moveString = f.read(21) n = struct.unpack('<H', f.read(2))[0] anim.footerString = f.read(n) anims.append(anim) footer = f.read(30) return Obj(header=header, anims=anims, footer=footer) def read_bk_file(f): header = struct.unpack('<LBHH', f.read(9)) anims = [] while True: (nextOffset, animNum) = struct.unpack('<LB', f.read(5)) if animNum >= 50: break animHeader = struct.unpack('<BBBBHBH', f.read(9)) animHeaderString = f.read(animHeader[6]) anim = read_animation(f) anims.append(Obj(header=animHeader, headerStr=animHeaderString, anim=anim)) background = f.read(header[2] * header[3]) numPalettes = struct.unpack('B', f.read(1))[0] palettes = [] for i in range(numPalettes): palettes.append(struct.unpack('<768B1024B3840B', f.read(768+1024+3840))) footer = f.read(30) return Obj(header=header, anims=anims, background=background, palettes=palettes, footer=footer) def read_cntbs(f): strlen = struct.unpack('<H', f.read(2))[0] return f.read(strlen+1)[:-1] def read_animation(f): header = struct.unpack('<8BHB', f.read(11)) numOverlays = header[8] numSprites = header[9] overlays = f.read(numOverlays * 4) animStr = read_cntbs(f) numExtras = struct.unpack('B', f.read(1))[0] extraAnimStrs = [read_cntbs(f) for n in range(numExtras)] sprites = [read_sprite(f) for n in range(numSprites)] return Obj(header=header, overlays=overlays, animStr=animStr, extraAnimStrs=extraAnimStrs, sprites=sprites) def read_sprite(f): header = struct.unpack('<HhhHHBB', f.read(12)) data = None if not header[6]: data = f.read(header[0]) return Obj(header=header, data=data) </pre>