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annotate pytouhou/game/sprite.py @ 78:bcf965ede96c

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Fix/rename/comment a few things
author Thibaut Girka <thib@sitedethib.com>
date Wed, 31 Aug 2011 13:51:42 +0200
parents b3bd421bb895
children f5f9b5eb69a3
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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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15
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16 from pytouhou.utils.matrix import Matrix
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17 from pytouhou.utils.interpolator import Interpolator
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19
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20 class AnmWrapper(object):
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21 def __init__(self, anm_files):
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22 self.anm_files = list(anm_files)
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24
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25 def get_sprite(self, sprite_index):
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26 for anm in self.anm_files:
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27 if sprite_index in anm.sprites:
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28 return anm, anm.sprites[sprite_index]
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29 raise IndexError
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32 def get_script(self, script_index):
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33 for anm in self.anm_files:
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34 if script_index in anm.scripts:
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35 return anm, anm.scripts[script_index]
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36 raise IndexError
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39
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40 class Sprite(object):
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41 def __init__(self):
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42 self.anm = None
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43 self._removed = False
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44 self._changed = False
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45
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46 self.scale_interpolator = None
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47 self.fade_interpolator = None
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48 self.offset_interpolator = None
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49
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50 self.blendfunc = 0 # 0 = Normal, 1 = saturate #TODO: proper constants
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51
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52 self.texcoords = (0, 0, 0, 0) # x, y, width, height
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53 self.dest_offset = (0., 0., 0.)
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54 self.allow_dest_offset = False
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55 self.texoffsets = (0., 0.)
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56 self.mirrored = False
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57 self.rescale = (1., 1.)
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58 self.scale_speed = (0., 0.)
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59 self.rotations_3d = (0., 0., 0.)
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60 self.rotations_speed_3d = (0., 0., 0.)
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61 self.corner_relative_placement = False
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62 self.frame = 0
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63 self.color = (255, 255, 255)
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64 self.alpha = 255
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65 self._uvs = []
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66 self._vertices = []
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67 self._colors = []
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70 def fade(self, duration, alpha, formula):
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71 if not self.fade_interpolator:
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72 self.fade_interpolator = Interpolator((self.alpha,), formula)
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73 self.fade_interpolator.set_interpolation_start(self.frame, (self.alpha,))
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74 self.fade_interpolator.set_interpolation_end(self.frame + duration - 1, (alpha,))
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76
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77 def scale_in(self, duration, sx, sy, formula):
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78 if not self.scale_interpolator:
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79 self.scale_interpolator = Interpolator(self.rescale, formula)
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80 self.scale_interpolator.set_interpolation_start(self.frame, self.rescale)
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81 self.scale_interpolator.set_interpolation_end(self.frame + duration - 1, (sx, sy))
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82
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83
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84 def move_in(self, duration, x, y, z, formula):
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85 if not self.offset_interpolator:
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86 self.offset_interpolator = Interpolator(self.dest_offset, formula)
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87 self.offset_interpolator.set_interpolation_start(self.frame, self.dest_offset)
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88 self.offset_interpolator.set_interpolation_end(self.frame + duration - 1, (x, y, z))
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89
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90
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91 def update_vertices_uvs_colors(self, override_width=0, override_height=0, angle_base=0.):
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92 if self.fade_interpolator:
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93 self.fade_interpolator.update(self.frame)
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94 self.alpha = int(self.fade_interpolator.values[0])
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95
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96 if self.scale_interpolator:
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97 self.scale_interpolator.update(self.frame)
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98 self.rescale = self.scale_interpolator.values
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99
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100 if self.offset_interpolator:
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101 self.offset_interpolator.update(self.frame)
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102 self.dest_offset = self.offset_interpolator.values
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103
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104
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105 vertmat = Matrix([[-.5, .5, .5, -.5],
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106 [-.5, -.5, .5, .5],
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107 [ .0, .0, .0, .0],
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108 [ 1., 1., 1., 1.]])
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109
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110 tx, ty, tw, th = self.texcoords
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111 sx, sy = self.rescale
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112 width = override_width or (tw * sx)
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113 height = override_height or (th * sy)
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115 vertmat.scale2d(width, height)
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116 if self.mirrored:
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117 vertmat.flip()
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118
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119 rx, ry, rz = self.rotations_3d
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120 rz += angle_base
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121
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122 if (rx, ry, rz) != (0., 0., 0.):
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123 if rx:
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124 vertmat.rotate_x(-rx)
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125 if ry:
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126 vertmat.rotate_y(ry)
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127 if rz:
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128 vertmat.rotate_z(-rz) #TODO: minus, really?
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129 if self.corner_relative_placement: # Reposition
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130 vertmat.translate(width / 2., height / 2., 0.)
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131 if self.allow_dest_offset:
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132 vertmat.translate(*self.dest_offset)
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133
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134 x_1 = 1. / self.anm.size[0]
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diff changeset
135 y_1 = 1. / self.anm.size[1]
41
93c8dc2de923 Add (hopefully) "texture shifting" in animations
Thibaut Girka <thib@sitedethib.com>
parents: 38
diff changeset
136 tox, toy = self.texoffsets
93c8dc2de923 Add (hopefully) "texture shifting" in animations
Thibaut Girka <thib@sitedethib.com>
parents: 38
diff changeset
137 uvs = [(tx * x_1 + tox, 1. - (ty * y_1) + toy),
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Thibaut Girka <thib@sitedethib.com>
parents: 38
diff changeset
138 ((tx + tw) * x_1 + tox, 1. - (ty * y_1) + toy),
93c8dc2de923 Add (hopefully) "texture shifting" in animations
Thibaut Girka <thib@sitedethib.com>
parents: 38
diff changeset
139 ((tx + tw) * x_1 + tox, 1. - ((ty + th) * y_1 + toy)),
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Thibaut Girka <thib@sitedethib.com>
parents: 38
diff changeset
140 (tx * x_1 + tox, 1. - ((ty + th) * y_1 + toy))]
15
07fba4e1da65 Refactor
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
141
30
e3ba2fa966f6 Various optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 29
diff changeset
142 d = vertmat.data
e3ba2fa966f6 Various optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 29
diff changeset
143 assert (d[3][0], d[3][1], d[3][2], d[3][3]) == (1., 1., 1., 1.)
57
694f25881d0f Fix move_to interpolation, add support for a few ANM and ECL instructions
Thibaut Girka <thib@sitedethib.com>
parents: 54
diff changeset
144 self._colors = [(self.color[0], self.color[1], self.color[2], self.alpha)] * 4
30
e3ba2fa966f6 Various optimizations
Thibaut Girka <thib@sitedethib.com>
parents: 29
diff changeset
145 self._uvs, self._vertices = uvs, zip(d[0], d[1], d[2])
15
07fba4e1da65 Refactor
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
146
07fba4e1da65 Refactor
Thibaut Girka <thib@sitedethib.com>
parents:
diff changeset
147
29
afa91be769ae Don't lose time updating off-screen enemies' sprites
Thibaut Girka <thib@sitedethib.com>
parents: 28
diff changeset
148 def update(self):
69
a142e57218a0 Refactor. Move VMs to pytouhou.vm.
Thibaut Girka <thib@sitedethib.com>
parents: 61
diff changeset
149 if self.rotations_speed_3d != (0., 0., 0.) or self.scale_speed != (0., 0.):
a142e57218a0 Refactor. Move VMs to pytouhou.vm.
Thibaut Girka <thib@sitedethib.com>
parents: 61
diff changeset
150 ax, ay, az = self.rotations_3d
a142e57218a0 Refactor. Move VMs to pytouhou.vm.
Thibaut Girka <thib@sitedethib.com>
parents: 61
diff changeset
151 sax, say, saz = self.rotations_speed_3d
a142e57218a0 Refactor. Move VMs to pytouhou.vm.
Thibaut Girka <thib@sitedethib.com>
parents: 61
diff changeset
152 self.rotations_3d = ax + sax, ay + say, az + saz
a142e57218a0 Refactor. Move VMs to pytouhou.vm.
Thibaut Girka <thib@sitedethib.com>
parents: 61
diff changeset
153 self.rescale = self.rescale[0] + self.scale_speed[0], self.rescale[1] + self.scale_speed[1]
a142e57218a0 Refactor. Move VMs to pytouhou.vm.
Thibaut Girka <thib@sitedethib.com>
parents: 61
diff changeset
154 self._changed = True
71
a03d7a94b997 Add support for a few ANM instructions
Thibaut Girka <thib@sitedethib.com>
parents: 69
diff changeset
155 self.frame += 1
54
b383b09bc735 Fix anim cycling
Thibaut Girka <thib@sitedethib.com>
parents: 52
diff changeset
156