Mercurial > touhou

annotate pytouhou/formats/msg.py @ 602:c84227022765

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Don’t crash when a sound file isn’t present in the resources.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sat, 25 Oct 2014 20:02:56 +0200
parents 5492472963b0
children d1f0bb0b7a17
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
133
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
1 # -*- encoding: utf-8 -*-
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
2 ##
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
3 ## Copyright (C) 2011 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
4 ##
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
5 ## This program is free software; you can redistribute it and/or modify
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
6 ## it under the terms of the GNU General Public License as published
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
7 ## by the Free Software Foundation; version 3 only.
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
8 ##
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
9 ## This program is distributed in the hope that it will be useful,
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
12 ## GNU General Public License for more details.
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
13 ##
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
14
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
15 from struct import pack, unpack, calcsize
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
16
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
17 from pytouhou.utils.helpers import get_logger
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
18
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
19 logger = get_logger(__name__)
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
20
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
21 class MSG(object):
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
22 _instructions = {0: ('', None),
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
23 1: ('hh', None),
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
24 2: ('hh', 'change_face'),
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
25 3: ('hhs', 'display_dialog_line'),
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
26 4: ('I', 'pause'),
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
27 5: ('hh', 'switch'),
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
28 6: ('', 'add_enemy_sprite'),
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
29 7: ('I', 'change_music'),
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
30 8: ('hhs', 'display_character_line'),
286
4838e9bab0f9 Implement dialogs (MSG files).
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 203
diff changeset
31 9: ('I', 'show_scores'),
4838e9bab0f9 Implement dialogs (MSG files).
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 203
diff changeset
32 10: ('', 'freeze'),
133
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
33 11: ('', 'next_level'),
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
34 12: ('', None),
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
35 13: ('I', None),
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
36 14: ('', None)} #TODO
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
37
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
38
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
39 def __init__(self):
286
4838e9bab0f9 Implement dialogs (MSG files).
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 203
diff changeset
40 self.msgs = {}
133
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
41
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
42
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
43 @classmethod
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
44 def read(cls, file):
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
45 entry_count, = unpack('<I', file.read(4))
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
46 entry_offsets = unpack('<%dI' % entry_count, file.read(4 * entry_count))
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
47
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
48 msg = cls()
286
4838e9bab0f9 Implement dialogs (MSG files).
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 203
diff changeset
49 msg.msgs = {}
133
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
50
286
4838e9bab0f9 Implement dialogs (MSG files).
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 203
diff changeset
51 for i, offset in enumerate(entry_offsets):
136
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
52 if msg.msgs and offset == entry_offsets[0]: # In EoSD, Reimu’s scripts start at 0, and Marisa’s ones at 10.
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
53 continue # If Reimu has less than 10 scripts, the remaining offsets are equal to her first.
133
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
54
286
4838e9bab0f9 Implement dialogs (MSG files).
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 203
diff changeset
55 msg.msgs[i] = []
136
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
56 file.seek(offset)
133
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
57
136
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
58 while True:
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
59 time, opcode, size = unpack('<HBB', file.read(4))
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
60 if time == 0 and opcode == 0:
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
61 break
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
62 data = file.read(size)
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
63 if opcode in cls._instructions:
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
64 fmt = '<%s' % cls._instructions[opcode][0]
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
65 if fmt.endswith('s'):
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
66 fmt = fmt[:-1]
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
67 fmt = '%s%ds' % (fmt, size - calcsize(fmt))
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
68 args = unpack(fmt, data)
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
69 if fmt.endswith('s'):
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
70 args = args[:-1] + (args[-1].decode('shift_jis'),)
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
71 else:
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
72 args = (data, )
d3005ebe797a Fix MSG parsing, use the offsets instead of trying to relate them to the actual data.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 133
diff changeset
73 logger.warn('unknown msg opcode %d', opcode)
133
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
74
286
4838e9bab0f9 Implement dialogs (MSG files).
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 203
diff changeset
75 msg.msgs[i].append((time, opcode, args))
133
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
76
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
77
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
78 return msg
2cad2e84a49e Add reading support for the MSG format.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
79