Mercurial > touhou
annotate pytouhou/game/sprite.py @ 52:ab826bc29aa2
Add some documentation, GPLv3 headers, README and COPYING file.
author | Thibaut Girka <thib@sitedethib.com> |
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date | Mon, 22 Aug 2011 22:37:14 +0200 |
parents | 93c8dc2de923 |
children | b383b09bc735 |
rev | line source |
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52
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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 |
15 | 16 from struct import unpack |
17 | |
18 from pytouhou.utils.matrix import Matrix | |
19 | |
21
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20 |
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21 class AnmWrapper(object): |
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22 def __init__(self, anm_files): |
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23 self.anm_files = list(anm_files) |
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24 |
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25 def get_sprite(self, script_index): |
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26 for anm in self.anm_files: |
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27 if script_index in anm.scripts: |
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28 return anm, Sprite(anm, script_index) |
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29 |
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30 |
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31 |
15 | 32 class Sprite(object): |
33 def __init__(self, anm, script_index): | |
34 self.anm = anm | |
35 self.script_index = script_index | |
36 self.texcoords = (0, 0, 0, 0) # x, y, width, height | |
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37 self.texoffsets = (0., 0.) |
15 | 38 self.mirrored = False |
39 self.rescale = (1., 1.) | |
40 self.rotations_3d = (0., 0., 0.) | |
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41 self.rotations_speed_3d = (0., 0., 0.) |
15 | 42 self.corner_relative_placement = False |
30 | 43 self.instruction_pointer = 0 |
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44 self.keep_still = False |
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45 self.playing = True |
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46 self.frame = 0 |
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47 self.alpha = 255 |
15 | 48 self._uvs = [] |
49 self._vertices = [] | |
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50 self._colors = [] |
15 | 51 |
52 | |
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53 def update_vertices_uvs_colors(self, override_width=0, override_height=0): |
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54 vertmat = Matrix([[-.5, .5, .5, -.5], |
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55 [-.5, -.5, .5, .5], |
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56 [ .0, .0, .0, .0], |
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57 [ 1., 1., 1., 1.]]) |
15 | 58 |
59 tx, ty, tw, th = self.texcoords | |
60 sx, sy = self.rescale | |
61 width = override_width or (tw * sx) | |
62 height = override_height or (th * sy) | |
63 | |
31 | 64 vertmat.scale2d(width, height) |
15 | 65 if self.mirrored: |
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66 vertmat.flip() |
15 | 67 if self.rotations_3d != (0., 0., 0.): |
68 rx, ry, rz = self.rotations_3d | |
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69 if rx: |
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70 vertmat.rotate_x(-rx) |
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71 if ry: |
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72 vertmat.rotate_y(ry) |
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73 if rz: |
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74 vertmat.rotate_z(-rz) #TODO: minus, really? |
15 | 75 if self.corner_relative_placement: # Reposition |
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76 vertmat.translate(width / 2., height / 2., 0.) |
15 | 77 |
30 | 78 x_1 = 1. / self.anm.size[0] |
79 y_1 = 1. / self.anm.size[1] | |
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80 tox, toy = self.texoffsets |
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81 uvs = [(tx * x_1 + tox, 1. - (ty * y_1) + toy), |
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82 ((tx + tw) * x_1 + tox, 1. - (ty * y_1) + toy), |
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83 ((tx + tw) * x_1 + tox, 1. - ((ty + th) * y_1 + toy)), |
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84 (tx * x_1 + tox, 1. - ((ty + th) * y_1 + toy))] |
15 | 85 |
30 | 86 d = vertmat.data |
87 assert (d[3][0], d[3][1], d[3][2], d[3][3]) == (1., 1., 1., 1.) | |
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88 self._colors = [(255, 255, 255, self.alpha)] * 4 |
30 | 89 self._uvs, self._vertices = uvs, zip(d[0], d[1], d[2]) |
15 | 90 |
91 | |
92 | |
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93 def update(self): |
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94 if not self.playing: |
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95 return False |
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96 |
30 | 97 changed = False |
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98 if not self.keep_still: |
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99 script = self.anm.scripts[self.script_index] |
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100 try: |
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101 frame = self.frame |
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102 while frame <= self.frame: |
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103 frame, instr_type, args = script[self.instruction_pointer] |
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104 if frame == self.frame: |
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105 changed = True |
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106 if instr_type == 0: |
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107 self.playing = False |
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108 return False |
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109 if instr_type == 1: |
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110 self.texcoords = self.anm.sprites[args[0]] |
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111 elif instr_type == 2: |
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112 self.rescale = args |
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113 elif instr_type == 3: |
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114 self.alpha = args[0] % 256 #TODO |
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115 elif instr_type == 5: |
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116 self.instruction_pointer, = args |
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117 self.frame = script[self.instruction_pointer][0] |
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118 continue |
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119 elif instr_type == 7: |
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120 self.mirrored = True |
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121 elif instr_type == 9: |
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122 self.rotations_3d = args |
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123 elif instr_type == 10: |
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124 self.rotations_speed_3d = args |
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125 elif instr_type == 23: |
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126 self.corner_relative_placement = True #TODO |
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127 elif instr_type == 27: |
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128 tox, toy = self.texoffsets |
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129 self.texoffsets = tox + args[0], toy |
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130 elif instr_type == 28: |
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131 tox, toy = self.texoffsets |
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132 self.texoffsets = tox, toy + args[0] |
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133 elif instr_type == 15: |
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134 self.keep_still = True |
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135 break |
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136 else: |
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137 print('unhandled opcode: %d, %r' % (instr_type, args)) #TODO |
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138 if frame <= self.frame: |
30 | 139 self.instruction_pointer += 1 |
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140 except IndexError: |
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141 self.playing = False |
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142 pass |
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143 self.frame += 1 |
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144 |
30 | 145 ax, ay, az = self.rotations_3d |
146 sax, say, saz = self.rotations_speed_3d | |
147 self.rotations_3d = ax + sax, ay + say, az + saz | |
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148 |
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149 if self.rotations_speed_3d != (0., 0., 0.): |
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150 return True |
15 | 151 |
30 | 152 return changed |
153 |