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annotate pytouhou/ui/anmrenderer.py @ 412:5fe6cd6ceb48

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Refactor the maths functions out of Renderer.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Wed, 12 Jun 2013 18:30:08 +0200
parents 402e96a0baeb
children b0b8825296d0
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1 #!/usr/bin/env python
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2 # -*- encoding: utf-8 -*-
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3 ##
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4 ## Copyright (C) 2011 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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5 ##
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6 ## This program is free software; you can redistribute it and/or modify
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7 ## it under the terms of the GNU General Public License as published
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8 ## by the Free Software Foundation; version 3 only.
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9 ##
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10 ## This program is distributed in the hope that it will be useful,
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11 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 ## GNU General Public License for more details.
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14 ##
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15
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16 import pyglet
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17 import traceback
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18
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19 from pyglet.gl import (glMatrixMode, glEnable,
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20 glHint, glEnableClientState, glViewport,
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21 glLoadMatrixf, GL_PROJECTION, GL_MODELVIEW,
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22 GL_TEXTURE_2D, GL_BLEND,
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23 GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST,
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24 GL_COLOR_ARRAY, GL_VERTEX_ARRAY, GL_TEXTURE_COORD_ARRAY,
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25 glClearColor, glClear, GL_COLOR_BUFFER_BIT,
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26 glGenBuffers)
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27
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28 from pytouhou.game.sprite import Sprite
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29 from pytouhou.vm.anmrunner import ANMRunner
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30
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31 from pytouhou.utils.helpers import get_logger
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32 from pytouhou.utils.maths import perspective, setup_camera
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33
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34 from .renderer import Renderer
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35 from .shaders.eosd import GameShader
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36
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37 from ctypes import c_uint
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38
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39
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40 logger = get_logger(__name__)
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41
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42
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43 class ANMRenderer(pyglet.window.Window, Renderer):
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44 def __init__(self, resource_loader, anm_wrapper, index=0, sprites=False,
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45 fixed_pipeline=False):
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46 Renderer.__init__(self, resource_loader)
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47 self.texture_manager.preload(resource_loader.instanced_anms.values())
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48
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49 width, height = 384, 448
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50 pyglet.window.Window.__init__(self, width=width, height=height,
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51 caption='PyTouhou', resizable=False)
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52
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53 self.use_fixed_pipeline = fixed_pipeline
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54
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55 self._anm_wrapper = anm_wrapper
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56 self.sprites = sprites
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57 self.clear_color = (0., 0., 0., 1.)
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58 self.force_allow_dest_offset = False
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59 self.index_items()
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60 self.load(index)
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61 self.objects = [self]
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62
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63 self.x = width / 2
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64 self.y = height / 2
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65
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66
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67 def start(self, width=384, height=448):
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68 if (width, height) != (self.width, self.height):
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69 self.set_size(width, height)
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70
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71 # Initialize OpenGL
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72 glEnable(GL_BLEND)
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73 if self.use_fixed_pipeline:
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74 glEnable(GL_TEXTURE_2D)
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75 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST)
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76 glEnableClientState(GL_COLOR_ARRAY)
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77 glEnableClientState(GL_VERTEX_ARRAY)
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78 glEnableClientState(GL_TEXTURE_COORD_ARRAY)
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79
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80 # Switch to game projection
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81 proj = perspective(30, float(self.width) / float(self.height),
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82 101010101./2010101., 101010101./10101.)
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83 view = setup_camera(0, 0, 1)
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84
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85 if not self.use_fixed_pipeline:
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86 shader = GameShader()
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87
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88 vbo_array = (c_uint * 1)()
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89 glGenBuffers(1, vbo_array)
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90 self.vbo, = vbo_array
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91
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92 mvp = view * proj
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93 shader.bind()
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94 shader.uniform_matrixf('mvp', mvp.get_c_data())
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95 else:
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96 glMatrixMode(GL_PROJECTION)
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97 glLoadMatrixf(proj.get_c_data())
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98
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99 glMatrixMode(GL_MODELVIEW)
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100 glLoadMatrixf(view.get_c_data())
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101
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102 # Use our own loop to ensure 60 fps
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103 pyglet.clock.set_fps_limit(60)
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104 while not self.has_exit:
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105 pyglet.clock.tick()
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106 self.dispatch_events()
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107 self.update()
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108 self.flip()
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109
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110
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111 def on_resize(self, width, height):
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112 glViewport(0, 0, width, height)
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113
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114
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115 def _event_text_symbol(self, ev):
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116 # XXX: Ugly workaround to a pyglet bug on X11
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117 #TODO: fix that bug in pyglet
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118 try:
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119 return pyglet.window.Window._event_text_symbol(self, ev)
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120 except Exception as exc:
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121 logger.warn('Pyglet error: %s', traceback.format_exc(exc))
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122 return None, None
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123
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124
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125 def on_key_press(self, symbol, modifiers):
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126 if symbol == pyglet.window.key.ESCAPE:
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127 self.has_exit = True
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128 elif symbol == pyglet.window.key.W:
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129 self.load()
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130 elif symbol == pyglet.window.key.X:
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131 self.x, self.y = {(192, 224): (0, 0),
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132 (0, 0): (-224, 0),
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133 (-224, 0): (192, 224)}[(self.x, self.y)]
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134 elif symbol == pyglet.window.key.C:
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135 self.force_allow_dest_offset = not self.force_allow_dest_offset
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136 self.load()
237
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137 elif symbol == pyglet.window.key.LEFT:
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138 self.change(-1)
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139 elif symbol == pyglet.window.key.RIGHT:
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140 self.change(+1)
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141 elif symbol == pyglet.window.key.TAB:
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142 self.toggle_sprites()
239
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143 elif symbol == pyglet.window.key.SPACE:
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144 self.toggle_clear_color()
237
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145 elif symbol >= pyglet.window.key.F1 and symbol <= pyglet.window.key.F12:
238
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146 interrupt = symbol - pyglet.window.key.F1 + 1
239
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147 if modifiers & pyglet.window.key.MOD_SHIFT:
238
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148 interrupt += 12
239
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149 if not self.sprites:
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150 self.anmrunner.interrupt(interrupt)
237
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151
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152
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153 def load(self, index=None):
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154 if index is None:
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155 index = self.num
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156 self.sprite = Sprite()
237
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157 if self.sprites:
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158 self.sprite.anm, self.sprite.texcoords = self._anm_wrapper.get_sprite(index)
239
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159 print('Loaded sprite %d' % index)
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160 else:
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161 self.anmrunner = ANMRunner(self._anm_wrapper, index, self.sprite)
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162 print('Loading anim %d, handled events: %r' % (index, self.anmrunner.script.interrupts.keys()))
237
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163 self.num = index
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164
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165
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166 def change(self, diff):
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167 keys = self.items.keys()
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168 keys.sort()
239
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169 index = (keys.index(self.num) + diff) % len(keys)
237
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170 item = keys[index]
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171 self.load(item)
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172
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173
241
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174 def index_items(self):
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175 self.items = {}
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176 if self.sprites:
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177 self.items = self._anm_wrapper.sprites
241
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178 else:
288
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179 self.items = self._anm_wrapper.scripts
241
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180
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181
237
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182 def toggle_sprites(self):
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183 self.sprites = not(self.sprites)
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184 self.index_items()
239
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185 self.load(0)
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186
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187
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188 def toggle_clear_color(self):
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189 if self.clear_color[0] == 0.:
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190 self.clear_color = (1., 1., 1., 1.)
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191 else:
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192 self.clear_color = (0., 0., 0., 1.)
237
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193
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194
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195 def update(self):
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196 if not self.sprites:
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197 self.anmrunner.run_frame()
237
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198
241
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199 if self.force_allow_dest_offset:
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200 self.sprite.allow_dest_offset = True
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201
239
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202 glClearColor(*self.clear_color)
237
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203 glClear(GL_COLOR_BUFFER_BIT)
304
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204 if not self.sprite.removed:
239
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205 self.render_elements([self])
237
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206