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annotate pytouhou/game/text.py @ 401:3ce4065840e9

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Calculate the fog per-fragment and remove the fixed-pipeline glFog* functions; now both vertex shaders are the same.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 14 Feb 2013 20:07:23 +0100
parents e1f5dcd4b83e
children 6c0cb3eee33e
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1 # -*- encoding: utf-8 -*-
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2 ##
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3 ## Copyright (C) 2011 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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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 copy import copy
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16
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17 from pytouhou.game.sprite import Sprite
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18 from pytouhou.vm.anmrunner import ANMRunner
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19 from pytouhou.utils.interpolator import Interpolator
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20
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21
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22 class Glyph(object):
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23 def __init__(self, sprite, pos):
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24 self.sprite = sprite
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25 self.removed = False
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26
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27 self.x, self.y = pos
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28
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29
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30 class Widget(object):
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31 def __init__(self, pos, back_wrapper=None, back_script=22):
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32 self.sprite = None
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33 self.removed = False
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34 self.changed = True
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35 self.anmrunner = None
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36 self.frame = 0
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37
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38 # Set up the backround sprite
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39 self.back_wrapper = back_wrapper
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40 if back_wrapper:
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41 self.sprite = Sprite()
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42 self.anmrunner = ANMRunner(back_wrapper, back_script, self.sprite)
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43 self.anmrunner.run_frame()
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44
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45 self.x, self.y = pos
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46
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47 def update(self):
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48 self.frame += 1
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49 if self.changed:
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50 if self.anmrunner and not self.anmrunner.run_frame():
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51 self.anmrunner = None
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52 self.changed = False
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53
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54
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55
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56 class GlyphCollection(Widget):
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57 def __init__(self, pos, anm_wrapper, back_wrapper=None, ref_script=0,
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58 xspacing=14, back_script=22):
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59 Widget.__init__(self, pos, back_wrapper, back_script)
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60
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61 self.ref_sprite = Sprite()
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62 self.anm_wrapper = anm_wrapper
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63 self.glyphes = []
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64 self.xspacing = xspacing
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65
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66 # Set up ref sprite
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67 anm_runner = ANMRunner(anm_wrapper, ref_script, self.ref_sprite)
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68 anm_runner.run_frame()
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69 self.ref_sprite.corner_relative_placement = True #TODO: perhaps not right
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70
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71
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72 def set_length(self, length):
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73 current_length = len(self.glyphes)
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74 if length > current_length:
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75 self.glyphes.extend(Glyph(copy(self.ref_sprite),
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76 (self.x + self.xspacing * i, self.y))
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77 for i in range(current_length, length))
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78 elif length < current_length:
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79 self.glyphes[:] = self.glyphes[:length]
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80
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81
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82 def set_sprites(self, sprite_indexes):
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83 self.set_length(len(sprite_indexes))
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84 for glyph, idx in zip(self.glyphes, sprite_indexes):
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85 glyph.sprite.anm, glyph.sprite.texcoords = self.anm_wrapper.get_sprite(idx)
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86 glyph.sprite.changed = True
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87
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88
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89
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90 class Text(GlyphCollection):
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91 def __init__(self, pos, ascii_wrapper, back_wrapper=None, text='',
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92 xspacing=14, shift=21, back_script=22):
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93 GlyphCollection.__init__(self, pos, ascii_wrapper, back_wrapper,
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94 xspacing=xspacing, back_script=back_script)
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95 self.text = ''
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96 self.shift = shift
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97
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98 self.set_text(text)
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99
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100
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101 @property
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102 def objects(self):
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103 return self.glyphes + [self]
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104
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105
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106 def set_text(self, text):
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107 if text == self.text:
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108 return
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109
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110 self.set_sprites([ord(c) - self.shift for c in text])
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111 self.text = text
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112 self.changed = True
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113
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114
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115 def set_color(self, color):
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116 colors = {'white': (255, 255, 255), 'yellow': (255, 255, 0),
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117 'blue': (192, 192, 255), 'darkblue': (160, 128, 255),
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118 'purple': (224, 128, 255), 'red': (255, 64, 0)}
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119 self.ref_sprite.color = colors[color]
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120 for glyph in self.glyphes:
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121 glyph.sprite.color = colors[color]
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122
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123
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124 def move_timeout_update(self):
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125 GlyphCollection.update(self)
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126 if self.frame % 2:
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127 for glyph in self.glyphes:
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128 glyph.y -= 1
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129 if self.frame == self.timeout:
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130 self.removed = True
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131
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132
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133 def fadeout_timeout_update(self):
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134 GlyphCollection.update(self)
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135 if self.frame >= self.start:
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136 if self.frame == self.start:
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137 self.fade(self.effect, 255, lambda x: x)
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138 elif self.frame == self.timeout - self.effect:
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139 self.fade(self.effect, 0, lambda x: x)
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140 if self.fade_interpolator:
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141 self.fade_interpolator.update(self.frame)
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142 self.alpha = int(self.fade_interpolator.values[0])
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143 for glyph in self.glyphes:
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144 glyph.sprite.alpha = self.alpha
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145 glyph.sprite.changed = True
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146 if self.frame == self.timeout:
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147 self.removed = True
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148
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149
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150 def fade(self, duration, alpha, formula):
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151 self.fade_interpolator = Interpolator((self.alpha,), self.frame,
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152 (alpha,), self.frame + duration,
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153 formula)
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154
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155
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156 def set_timeout(self, timeout, effect=None, start=0):
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157 if effect == None: #XXX
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158 self.update = self.move_timeout_update
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159 self.timeout = timeout + start
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160 else:
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161 self.alpha = 0
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162 for glyph in self.glyphes:
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163 glyph.sprite.alpha = 0
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164 self.update = self.fadeout_timeout_update
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165 self.effect = effect
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166 self.start = start
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167 self.timeout = timeout + start
327
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168
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169
323
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170
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171 class Counter(GlyphCollection):
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172 def __init__(self, pos, anm_wrapper, back_wrapper=None, script=0,
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173 xspacing=16, value=0, back_script=22):
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174 GlyphCollection.__init__(self, pos, anm_wrapper,
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175 back_wrapper=back_wrapper, ref_script=script,
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176 xspacing=xspacing, back_script=back_script)
323
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177
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178 self.value = value
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179 self.set_value(value)
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180
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181
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182 @property
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183 def objects(self):
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184 return [self] + self.glyphes
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185
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186
323
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187 def set_value(self, value):
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188 if value < 0:
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189 value = 0
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190 if value == self.value:
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191 return
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192
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193 self.set_length(value)
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194 self.value = value
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195 self.changed = True
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196
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197
346
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198
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199 class Gauge(object):
347
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200 def __init__(self, pos, anm_wrapper, max_length=280, maximum=1, value=0):
346
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201 self.sprite = Sprite()
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202 self.anmrunner = ANMRunner(anm_wrapper, 21, self.sprite)
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203 self.anmrunner.run_frame()
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204 self.removed = False
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205 self.sprite.corner_relative_placement = True #TODO: perhaps not right
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206 self.objects = [self]
346
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207
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208 self.x, self.y = pos
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209 self.max_length = max_length
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210 self.maximum = maximum
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211
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212 self.set_value(value)
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213
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214
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215 def set_value(self, value):
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216 self.value = value
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217 self.sprite.width_override = self.max_length * value / self.maximum
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218 self.sprite.changed = True #TODO
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219
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220
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221 def update(self):
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222 #XXX
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223 if self.value == 0:
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224 self.sprite.visible = False
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225 else:
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226 self.sprite.visible = True
346
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227 if self.anmrunner and not self.anmrunner.run_frame():
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228 self.anmrunner = None
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229
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230