annotate pytouhou/formats/std.py @ 91:f7525fa66bb0

Fix ECL instruction 3
author Thibaut Girka <thib@sitedethib.com>
date Sun, 04 Sep 2011 10:19:42 +0200
parents 3da4de9decd0
children ca571697ec83
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
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4 ##
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5 ## This program is free software; you can redistribute it and/or modify
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6 ## it under the terms of the GNU General Public License as published
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7 ## by the Free Software Foundation; version 3 only.
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8 ##
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9 ## This program is distributed in the hope that it will be useful,
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10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ## GNU General Public License for more details.
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13 ##
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14
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15
0
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16 from struct import pack, unpack
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17 from pytouhou.utils.helpers import read_string, get_logger
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18
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19 logger = get_logger(__name__)
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21
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22 class Object(object):
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23 def __init__(self):
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24 self.header = (b'\x00') * 28 #TODO
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25 self.quads = []
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26
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27
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28
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29 class Stage(object):
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30 def __init__(self, num):
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31 self.num = num
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32 self.name = ''
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33 self.bgms = (('', ''), ('', ''), ('', ''))
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34 self.objects = []
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35 self.object_instances = []
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36 self.script = []
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37
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38
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39 @classmethod
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40 def read(cls, file, num):
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41 stage = Stage(num)
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42
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43 nb_objects, nb_faces = unpack('<HH', file.read(4))
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44 object_instances_offset, script_offset = unpack('<II', file.read(8))
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45 if file.read(4) != b'\x00\x00\x00\x00':
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46 raise Exception #TODO
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47
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48 stage.name = read_string(file, 128, 'shift-jis')
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49
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50 bgm_a = read_string(file, 128, 'shift-jis')
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51 bgm_b = read_string(file, 128, 'shift-jis')
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52 bgm_c = read_string(file, 128, 'shift-jis')
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53 bgm_d = read_string(file, 128, 'shift-jis')
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54
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55 bgm_a_path = read_string(file, 128, 'ascii')
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56 bgm_b_path = read_string(file, 128, 'ascii')
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57 bgm_c_path = read_string(file, 128, 'ascii')
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58 bgm_d_path = read_string(file, 128, 'ascii')
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59
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60 stage.bgms = [(bgm_a, bgm_a_path), (bgm_b, bgm_b_path), (bgm_c, bgm_c_path), (bgm_d, bgm_d_path)] #TODO: handle ' '
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61
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62 # Read object definitions
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63 offsets = unpack('<%s' % ('I' * nb_objects), file.read(4 * nb_objects))
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64 for offset in offsets:
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65 obj = Object()
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66 obj.header = file.read(28) #TODO: this has to be reversed!
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67 while True:
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68 unknown, size = unpack('<HH', file.read(4))
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69 if unknown == 0xffff:
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70 break
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71 if size != 0x1c:
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72 raise Exception #TODO
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73 script_index, _padding, x, y, z, width, height = unpack('<HHfffff', file.read(24))
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74 #TODO: store script_index, x, y, z, width and height
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75 obj.quads.append((script_index, x, y, z, width, height))
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76 stage.objects.append(obj)
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77
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78
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79 # Read object usages
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80 file.seek(object_instances_offset)
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81 while True:
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82 obj_id, unknown, x, y, z = unpack('<HHfff', file.read(16))
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83 if (obj_id, unknown) == (0xffff, 0xffff):
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84 break
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85 if unknown != 256:
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86 raise Exception #TODO
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87 stage.object_instances.append((stage.objects[obj_id], x, y, z))
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88
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89
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90 # Read other funny things (script)
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91 file.seek(script_offset)
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92 while True:
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93 frame, message_type, size = unpack('<IHH', file.read(8))
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94 if (frame, message_type, size) == (0xffffffff, 0xffff, 0xffff):
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95 break
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96 if size != 0x0c:
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97 raise Exception #TODO
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98 data = file.read(12)
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99 #TODO: maybe add a name somewhere
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100 if message_type == 0: # ViewPos
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101 args = unpack('<fff', data)
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102 elif message_type == 1: # Color
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103 args = unpack('<BBBBff', data)
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104 elif message_type == 2: # ViewPos2
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105 args = unpack('<fff', data)
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106 elif message_type == 3: # StartInterpolatingViewPos2
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107 args = tuple(unpack('<III', data)[:1])
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108 elif message_type == 4: # StartInterpolatingFog
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109 args = tuple(unpack('<III', data)[:1])
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110 else:
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111 args = (data,)
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112 logger.warn('unknown opcode %d (data: %r)', message_type, data)
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113 stage.script.append((frame, message_type, args))
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114
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115 return stage
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116