Mercurial > touhou
annotate pytouhou/game/sprite.py @ 94:ca571697ec83
Various minor optimisations and refactoring
| author | Thibaut Girka <thib@sitedethib.com> |
|---|---|
| date | Sun, 04 Sep 2011 20:04:00 +0200 |
| parents | 85f3b8ba3f24 |
| children | ac2e5e1c2c3c |
| 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 |
| 90 | 15 from math import pi |
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16 |
| 15 | 17 from pytouhou.utils.matrix import Matrix |
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18 from pytouhou.utils.interpolator import Interpolator |
| 15 | 19 |
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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 |
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26 def get_sprite(self, sprite_index): |
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27 for anm in self.anm_files: |
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28 if sprite_index in anm.sprites: |
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29 return anm, anm.sprites[sprite_index] |
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30 raise IndexError |
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31 |
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32 |
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33 def get_script(self, script_index): |
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34 for anm in self.anm_files: |
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35 if script_index in anm.scripts: |
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36 return anm, anm.scripts[script_index] |
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37 raise IndexError |
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38 |
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39 |
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40 |
| 15 | 41 class Sprite(object): |
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42 def __init__(self): |
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43 self.anm = None |
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44 self._removed = False |
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45 self._changed = False |
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46 |
| 90 | 47 self.width_override = 0 |
| 48 self.height_override = 0 | |
| 49 self.angle = 0 | |
| 50 self.force_rotation = False | |
| 51 | |
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52 self.scale_interpolator = None |
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53 self.fade_interpolator = None |
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54 self.offset_interpolator = None |
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55 |
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56 self.automatic_orientation = False |
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57 |
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58 self.blendfunc = 0 # 0 = Normal, 1 = saturate #TODO: proper constants |
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59 |
| 15 | 60 self.texcoords = (0, 0, 0, 0) # x, y, width, height |
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61 self.dest_offset = (0., 0., 0.) |
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62 self.allow_dest_offset = False |
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63 self.texoffsets = (0., 0.) |
| 15 | 64 self.mirrored = False |
| 65 self.rescale = (1., 1.) | |
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66 self.scale_speed = (0., 0.) |
| 15 | 67 self.rotations_3d = (0., 0., 0.) |
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68 self.rotations_speed_3d = (0., 0., 0.) |
| 15 | 69 self.corner_relative_placement = False |
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70 self.frame = 0 |
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71 self.color = (255, 255, 255) |
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72 self.alpha = 255 |
| 15 | 73 self._uvs = [] |
| 74 self._vertices = [] | |
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75 self._colors = [] |
| 15 | 76 |
| 77 | |
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78 def fade(self, duration, alpha, formula): |
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79 if not self.fade_interpolator: |
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80 self.fade_interpolator = Interpolator((self.alpha,), formula) |
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81 self.fade_interpolator.set_interpolation_start(self.frame, (self.alpha,)) |
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82 self.fade_interpolator.set_interpolation_end(self.frame + duration - 1, (alpha,)) |
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83 |
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84 |
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85 def scale_in(self, duration, sx, sy, formula): |
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86 if not self.scale_interpolator: |
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87 self.scale_interpolator = Interpolator(self.rescale, formula) |
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88 self.scale_interpolator.set_interpolation_start(self.frame, self.rescale) |
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89 self.scale_interpolator.set_interpolation_end(self.frame + duration - 1, (sx, sy)) |
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90 |
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91 |
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92 def move_in(self, duration, x, y, z, formula): |
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93 if not self.offset_interpolator: |
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94 self.offset_interpolator = Interpolator(self.dest_offset, formula) |
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95 self.offset_interpolator.set_interpolation_start(self.frame, self.dest_offset) |
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96 self.offset_interpolator.set_interpolation_end(self.frame + duration - 1, (x, y, z)) |
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97 |
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98 |
| 90 | 99 def update_vertices_uvs_colors(self): |
| 100 if not self._changed: | |
| 101 return | |
| 102 | |
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103 if self.fade_interpolator: |
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104 self.fade_interpolator.update(self.frame) |
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105 self.alpha = int(self.fade_interpolator.values[0]) |
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106 |
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107 if self.scale_interpolator: |
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108 self.scale_interpolator.update(self.frame) |
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109 self.rescale = self.scale_interpolator.values |
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110 |
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111 if self.offset_interpolator: |
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112 self.offset_interpolator.update(self.frame) |
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113 self.dest_offset = self.offset_interpolator.values |
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114 |
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115 vertmat = Matrix([[-.5, .5, .5, -.5], |
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116 [-.5, -.5, .5, .5], |
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117 [ .0, .0, .0, .0], |
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118 [ 1., 1., 1., 1.]]) |
| 15 | 119 |
| 120 tx, ty, tw, th = self.texcoords | |
| 121 sx, sy = self.rescale | |
| 90 | 122 width = self.width_override or (tw * sx) |
| 123 height = self.height_override or (th * sy) | |
| 15 | 124 |
| 31 | 125 vertmat.scale2d(width, height) |
| 15 | 126 if self.mirrored: |
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127 vertmat.flip() |
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128 |
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129 rx, ry, rz = self.rotations_3d |
| 90 | 130 if self.automatic_orientation: |
| 131 rz += pi/2. - self.angle | |
| 132 elif self.force_rotation: | |
| 133 rz += self.angle | |
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134 |
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135 if (rx, ry, rz) != (0., 0., 0.): |
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136 if rx: |
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137 vertmat.rotate_x(-rx) |
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138 if ry: |
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139 vertmat.rotate_y(ry) |
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140 if rz: |
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141 vertmat.rotate_z(-rz) #TODO: minus, really? |
| 15 | 142 if self.corner_relative_placement: # Reposition |
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143 vertmat.translate(width / 2., height / 2., 0.) |
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144 if self.allow_dest_offset: |
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145 vertmat.translate(*self.dest_offset) |
| 15 | 146 |
| 30 | 147 x_1 = 1. / self.anm.size[0] |
| 148 y_1 = 1. / self.anm.size[1] | |
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149 tox, toy = self.texoffsets |
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150 uvs = [(tx * x_1 + tox, 1. - (ty * y_1) + toy), |
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151 ((tx + tw) * x_1 + tox, 1. - (ty * y_1) + toy), |
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152 ((tx + tw) * x_1 + tox, 1. - ((ty + th) * y_1 + toy)), |
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153 (tx * x_1 + tox, 1. - ((ty + th) * y_1 + toy))] |
| 15 | 154 |
| 30 | 155 d = vertmat.data |
| 156 assert (d[3][0], d[3][1], d[3][2], d[3][3]) == (1., 1., 1., 1.) | |
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157 self._colors = [(self.color[0], self.color[1], self.color[2], self.alpha)] * 4 |
| 30 | 158 self._uvs, self._vertices = uvs, zip(d[0], d[1], d[2]) |
| 90 | 159 self._changed = False |
| 85 | 160 |
| 15 | 161 |
| 90 | 162 def update(self, override_width=0, override_height=0, angle_base=0., force_rotation=False): |
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163 if (override_width != self.width_override |
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164 or override_height != self.height_override |
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165 or self.angle != angle_base |
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166 or self.force_rotation != force_rotation |
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167 or self.scale_interpolator |
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168 or self.fade_interpolator |
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169 or self.offset_interpolator): |
| 90 | 170 |
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171 self._changed = True |
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172 self.width_override = override_width |
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173 self.height_override = override_height |
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174 self.angle = angle_base |
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175 self.force_rotation = force_rotation |
| 90 | 176 |
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177 if self.rotations_speed_3d != (0., 0., 0.): |
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178 ax, ay, az = self.rotations_3d |
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179 sax, say, saz = self.rotations_speed_3d |
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180 self.rotations_3d = ax + sax, ay + say, az + saz |
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181 self._changed = True |
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182 |
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183 if self.scale_speed != (0., 0.): |
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184 rx, ry = self.rescale |
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185 rsx, rsy = self.scale_speed |
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186 self.rescale = rx + rsx, ry + rsy |
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187 self._changed = True |
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188 |
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189 self.frame += 1 |
| 54 | 190 |