Mercurial > touhou

annotate pytouhou/ui/sdl/gamerenderer.py @ 612:73f134f84c7f

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Request a RGB888 context, since SDL2’s default of RGB332 sucks. On X11/GLX, it will select the first config available, that is the best one, while on EGL it will iterate over them to select the one closest to what the application requested. Of course, anything lower than RGB888 looks bad and we really don’t want that.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 26 Mar 2015 20:20:37 +0100
parents e15672733c93
children d1f0bb0b7a17
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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 from itertools import chain
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16 from os.path import join
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17
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18 from pytouhou.lib.sdl import Rect, SDLError
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19
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20 from pytouhou.utils.helpers import get_logger
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21 logger = get_logger(__name__)
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22
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23
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24 class GameRenderer(object):
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25 def __init__(self, resource_loader, window):
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26 self.window = window
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27 self.texture_manager = TextureManager(resource_loader, self.window.win)
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28 font_name = join(resource_loader.game_dir, 'font.ttf')
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29 try:
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30 self.font_manager = FontManager(font_name, 16, self.window.win)
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31 except SDLError:
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32 self.font_manager = None
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33 logger.error('Font file “%s” not found, disabling text rendering altogether.', font_name)
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34
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35
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36 def load_textures(self, anms):
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37 self.texture_manager.load(anms)
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38
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39
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40 def load_background(self, background):
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41 if background is not None:
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42 logger.error('Background rendering unavailable in the SDL backend.')
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43
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44
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45 def start(self, common):
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46 pass
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47
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48
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49 def render(self, game):
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50 self.render_game(game)
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51 self.render_text(game.texts)
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52 self.render_interface(game.interface, game.boss)
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53
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54
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55 def render_game(self, game):
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56 x, y = game.interface.game_pos
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57 self.window.win.render_set_viewport(Rect(x, y, game.width, game.height))
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58 self.window.win.render_set_clip_rect(Rect(x, -y, game.width, game.height))
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59
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60 if game is not None:
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61 self.window.win.render_clear()
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62
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63 self.render_elements([enemy for enemy in game.enemies if enemy.visible])
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64 self.render_elements(game.effects)
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65 self.render_elements(chain(game.players_bullets,
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66 game.lasers_sprites(),
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67 game.players,
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68 game.msg_sprites()))
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69 self.render_elements(chain(game.bullets, game.lasers,
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70 game.cancelled_bullets, game.items,
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71 game.labels))
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72
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73
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74 def render_interface(self, interface, boss):
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75 interface_labels = interface.labels
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76 if 'framerate' in interface_labels:
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77 interface_labels['framerate'].set_text('%.2ffps' % self.window.get_fps())
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78
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79 self.window.win.render_set_viewport(Rect(0, 0, interface.width, interface.height))
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80 self.window.win.render_set_clip_rect(Rect(0, 0, interface.width, interface.height))
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81
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82 items = [item for item in interface.items if item.anmrunner and item.anmrunner.running]
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83 labels = interface_labels.values()
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84
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85 if items:
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86 # Redraw all the interface
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87 self.render_elements(items)
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88 else:
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89 # Redraw only changed labels
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90 labels = [label for label in labels if label.changed]
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91
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92 self.render_elements(interface.level_start)
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93
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94 if boss:
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95 self.render_elements(interface.boss_items)
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96
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97 self.render_elements(labels)
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98 for label in labels:
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99 label.changed = False
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100
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101
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102 def render_elements(self, elements):
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103 nb_vertices = 0
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104
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105 objects = chain(*[element.objects for element in elements])
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106 for element in objects:
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107 if nb_vertices >= MAX_ELEMENTS - 4:
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108 break
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109
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110 sprite = element.sprite
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111 if sprite and sprite.visible:
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112 ox, oy = element.x, element.y
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113 data = get_sprite_rendering_data(sprite)
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114
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115 #XXX
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116 texture_width = 256
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117 texture_height = 256
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118
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119 source = Rect(data.left * texture_width,
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120 data.bottom * texture_height,
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121 (data.right - data.left) * texture_width,
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122 (data.top - data.bottom) * texture_height)
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123
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124 dest = Rect(ox + data.x, oy + data.y, data.width, data.height)
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125
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126 texture = sprite.anm.texture
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127 texture.set_color_mod(data.r, data.g, data.b)
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128 texture.set_alpha_mod(data.a)
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129 texture.set_blend_mode(2 if data.blendfunc else 1)
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130
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131 if data.rotation or data.flip:
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132 self.window.win.render_copy_ex(texture, source, dest, data.rotation, data.flip)
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133 else:
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134 self.window.win.render_copy(texture, source, dest)
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135
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136 nb_vertices += 4
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137
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138
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139 def render_text(self, texts):
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140 if self.font_manager is None:
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141 return
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142
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143 self.font_manager.load(texts)
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144
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145 for label in texts.values():
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146 texture = label.texture
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147
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148 source = Rect(0, 0, label.width, label.height)
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149 rect = Rect(label.x, label.y, label.width, label.height)
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150
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151 texture.set_alpha_mod(label.alpha)
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152
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153 if label.shadow:
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154 shadow_rect = Rect(label.x + 1, label.y + 1, label.width, label.height)
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155 texture.set_color_mod(0, 0, 0)
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156 self.window.win.render_copy(label.texture, source, shadow_rect)
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157 texture.set_color_mod(192, 192, 255)
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158 self.window.win.render_copy(label.texture, source, rect)
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159 else:
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160 texture.set_color_mod(192, 192, 255)
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161 self.window.win.render_copy(label.texture, source, rect)