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comparison pytouhou/formats/anm0.py @ 2:057cb96907e3

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Add preliminay support for EoSD's ANM format
author Thibaut Girka <thib@sitedethib.com>
date Mon, 01 Aug 2011 15:45:42 +0200
parents
children 66ce9bb440ac
comparison
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1:57667251d040 2:057cb96907e3
1 from struct import pack, unpack
2 from pytouhou.utils.helpers import read_string
3
4 #TODO: refactor/clean up
5
6
7 class Animations(object):
8 def __init__(self):
9 self.size = (0, 0)
10 self.first_name = None
11 self.secondary_name = None
12 self.sprites = {}
13 self.scripts = {}
14
15
16 @classmethod
17 def read(cls, file):
18 nb_sprites, nb_scripts, zero1 = unpack('<III', file.read(12))
19 width, height, format, zero2 = unpack('<IIII', file.read(16))
20 first_name_offset, unused, secondary_name_offset = unpack('<III', file.read(12))
21 version, unknown1, thtxoffset, hasdata, nextoffset = unpack('<IIIII', file.read(20))
22 if version != 0:
23 raise Exception #TODO
24 file.read(4) #TODO
25
26 sprite_offsets = [unpack('<I', file.read(4))[0] for i in range(nb_sprites)]
27 script_offsets = [unpack('<II', file.read(8)) for i in range(nb_scripts)]
28
29 anm = Animations()
30
31 anm.size = (width, height)
32
33 # Names
34 if first_name_offset:
35 file.seek(first_name_offset)
36 anm.first_name = read_string(file, 32, 'ascii') #TODO: 32, really?
37 if secondary_name_offset:
38 file.seek(secondary_name_offset)
39 anm.secondary_name = read_string(file, 32, 'ascii') #TODO: 32, really?
40
41
42 # Sprites
43 file.seek(64)
44 anm.sprites = {}
45 for offset in sprite_offsets:
46 file.seek(offset)
47 idx, x, y, width, height = unpack('<Iffff', file.read(20))
48 anm.sprites[idx] = x, y, width, height
49
50
51 # Scripts
52 anm.scripts = {}#[None] * nb_scripts
53 for i, offset in script_offsets:
54 anm.scripts[i] = []
55 file.seek(offset)
56 while True:
57 #TODO
58 time, instr_type, length = unpack('<HBB', file.read(4))
59 if instr_type == 0:
60 break
61 data = file.read(length)
62 anm.scripts[i].append((time, instr_type, data))
63 #TODO
64
65
66 return anm