Mercurial > touhou
annotate pytouhou/game/sprite.py @ 60:af7914413b89
Enable interpolators to use different formulas
author | Thibaut Girka <thib@sitedethib.com> |
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date | Wed, 24 Aug 2011 21:12:45 +0200 |
parents | 3da4de9decd0 |
children | 0886994029e4 |
rev | line source |
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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 |
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16 from random import randrange |
15 | 17 from struct import unpack |
18 | |
19 from pytouhou.utils.matrix import Matrix | |
58 | 20 from pytouhou.utils.helpers import get_logger |
21 | |
22 logger = get_logger(__name__) | |
15 | 23 |
21
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24 |
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25 class AnmWrapper(object): |
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26 def __init__(self, anm_files): |
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27 self.anm_files = list(anm_files) |
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28 |
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29 def get_sprite(self, script_index): |
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30 for anm in self.anm_files: |
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31 if script_index in anm.scripts: |
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32 return anm, Sprite(anm, script_index) |
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33 |
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34 |
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35 |
15 | 36 class Sprite(object): |
37 def __init__(self, anm, script_index): | |
38 self.anm = anm | |
39 self.script_index = script_index | |
40 self.texcoords = (0, 0, 0, 0) # x, y, width, height | |
41
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41 self.texoffsets = (0., 0.) |
15 | 42 self.mirrored = False |
43 self.rescale = (1., 1.) | |
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44 self.scale_speed = (0., 0.) |
15 | 45 self.rotations_3d = (0., 0., 0.) |
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46 self.rotations_speed_3d = (0., 0., 0.) |
15 | 47 self.corner_relative_placement = False |
30 | 48 self.instruction_pointer = 0 |
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49 self.keep_still = False |
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50 self.playing = True |
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51 self.frame = 0 |
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52 self.color = (255, 255, 255) |
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53 self.alpha = 255 |
15 | 54 self._uvs = [] |
55 self._vertices = [] | |
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56 self._colors = [] |
15 | 57 |
58 | |
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59 def update_vertices_uvs_colors(self, override_width=0, override_height=0): |
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60 vertmat = Matrix([[-.5, .5, .5, -.5], |
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61 [-.5, -.5, .5, .5], |
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62 [ .0, .0, .0, .0], |
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63 [ 1., 1., 1., 1.]]) |
15 | 64 |
65 tx, ty, tw, th = self.texcoords | |
66 sx, sy = self.rescale | |
67 width = override_width or (tw * sx) | |
68 height = override_height or (th * sy) | |
69 | |
31 | 70 vertmat.scale2d(width, height) |
15 | 71 if self.mirrored: |
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72 vertmat.flip() |
15 | 73 if self.rotations_3d != (0., 0., 0.): |
74 rx, ry, rz = self.rotations_3d | |
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75 if rx: |
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76 vertmat.rotate_x(-rx) |
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77 if ry: |
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78 vertmat.rotate_y(ry) |
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79 if rz: |
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80 vertmat.rotate_z(-rz) #TODO: minus, really? |
15 | 81 if self.corner_relative_placement: # Reposition |
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82 vertmat.translate(width / 2., height / 2., 0.) |
15 | 83 |
30 | 84 x_1 = 1. / self.anm.size[0] |
85 y_1 = 1. / self.anm.size[1] | |
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86 tox, toy = self.texoffsets |
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87 uvs = [(tx * x_1 + tox, 1. - (ty * y_1) + toy), |
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88 ((tx + tw) * x_1 + tox, 1. - (ty * y_1) + toy), |
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89 ((tx + tw) * x_1 + tox, 1. - ((ty + th) * y_1 + toy)), |
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90 (tx * x_1 + tox, 1. - ((ty + th) * y_1 + toy))] |
15 | 91 |
30 | 92 d = vertmat.data |
93 assert (d[3][0], d[3][1], d[3][2], d[3][3]) == (1., 1., 1., 1.) | |
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94 self._colors = [(self.color[0], self.color[1], self.color[2], self.alpha)] * 4 |
30 | 95 self._uvs, self._vertices = uvs, zip(d[0], d[1], d[2]) |
15 | 96 |
97 | |
98 | |
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99 def update(self): |
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100 if not self.playing: |
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101 return False |
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102 |
30 | 103 changed = False |
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104 if not self.keep_still: |
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105 script = self.anm.scripts[self.script_index] |
54 | 106 frame = self.frame |
107 while True: | |
108 try: | |
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109 frame, instr_type, args = script[self.instruction_pointer] |
54 | 110 except IndexError: |
111 self.playing = False | |
112 return False | |
113 | |
114 if frame > self.frame: | |
115 break | |
116 else: | |
117 self.instruction_pointer += 1 | |
118 if frame == self.frame: | |
119 changed = True | |
120 if instr_type == 0: | |
121 self.playing = False | |
122 return False | |
123 if instr_type == 1: | |
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124 #TODO: handle out-of-anm sprites |
54 | 125 self.texcoords = self.anm.sprites[args[0]] |
126 elif instr_type == 2: | |
127 self.rescale = args | |
128 elif instr_type == 3: | |
129 self.alpha = args[0] % 256 #TODO | |
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130 elif instr_type == 4: |
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131 b, g, r = args |
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132 self.color = (r, g, b) |
54 | 133 elif instr_type == 5: |
134 self.instruction_pointer, = args | |
135 self.frame = script[self.instruction_pointer][0] | |
136 elif instr_type == 7: | |
137 self.mirrored = True | |
138 elif instr_type == 9: | |
139 self.rotations_3d = args | |
140 elif instr_type == 10: | |
141 self.rotations_speed_3d = args | |
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142 elif instr_type == 11: |
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143 self.scale_speed = args |
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144 elif instr_type == 16: |
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145 #TODO: handle out-of-anm sprites |
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146 #TODO: use the game's PRNG? |
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147 self.texcoords = self.anm.sprites[args[0] + randrange(args[1])] |
54 | 148 elif instr_type == 23: |
149 self.corner_relative_placement = True #TODO | |
150 elif instr_type == 27: | |
151 tox, toy = self.texoffsets | |
152 self.texoffsets = tox + args[0], toy | |
153 elif instr_type == 28: | |
154 tox, toy = self.texoffsets | |
155 self.texoffsets = tox, toy + args[0] | |
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156 elif instr_type in (15, 21): |
54 | 157 self.keep_still = True |
158 break | |
159 else: | |
58 | 160 logger.warn('unhandled instruction %d (args: %r)', instr_type, args) |
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161 self.frame += 1 |
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162 |
30 | 163 ax, ay, az = self.rotations_3d |
164 sax, say, saz = self.rotations_speed_3d | |
165 self.rotations_3d = ax + sax, ay + say, az + saz | |
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166 self.rescale = self.rescale[0] + self.scale_speed[0], self.rescale[1] + self.scale_speed[1] |
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167 |
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168 if self.rotations_speed_3d != (0., 0., 0.) or self.scale_speed != (0., 0.): |
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169 return True |
15 | 170 |
30 | 171 return changed |
172 |