Mercurial > fife-parpg

annotate engine/extensions/basicapplication.py @ 164:5b04a7d3ded6

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typo fix some missing event (de)registrations ability to capture one event multiple times (instead of only having one slot, we have groups and each group has an own slot, the default group is "default" so we are backward compatible
author spq@33b003aa-7bff-0310-803a-e67f0ece8222
date Wed, 15 Oct 2008 14:57:04 +0000
parents bb9902910067
children 48c99636453e
rev   line source
0
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1 # coding: utf-8
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2
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3 """
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4 The basic application and main loop.
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5
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6 See the L{ApplicationBase} documentation.
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7 """
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8
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9 import fife
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10 import fifelog
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11 from serializers.xmlanimation import XMLAnimationLoader
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12
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13 class ExitEventListener(fife.IKeyListener):
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14 """
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15 Default, rudimentary event listener.
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16
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17 Will cause the application to quit on pressing ESC.
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18 """
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19 def __init__(self, app):
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20 self.app = app
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21 self.engine = app.engine
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22 eventmanager = self.engine.getEventManager()
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bb9902910067 input_rework merged!
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23 #eventmanager.setNonConsumableKeys([fife.Key.ESCAPE])
0
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24 fife.IKeyListener.__init__(self)
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25 eventmanager.addKeyListener(self)
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26 self.quitRequested = False
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27
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28 def keyPressed(self, evt):
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29 keyval = evt.getKey().getValue()
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30 if keyval == fife.Key.ESCAPE:
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31 self.app.quit()
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32 elif keyval == fife.Key.F10:
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33 self.engine.getGuiManager().getConsole().toggleShowHide()
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34 evt.consume()
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35
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36 def keyReleased(self, evt):
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37 pass
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38
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39 class ApplicationBase(object):
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40 """
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41 ApplicationBase is an extendable class that provides a basic environment for a FIFE-based client.
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42
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43 The unextended application reads in and initializes engine settings, sets up a simple event
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44 listener, and pumps the engine while listening for a quit message. Specialized applications can
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45 modify settings.py to change initial engine settings. They can provide their own event listener
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46 by overriding L{createListener}. And they can override the L{_pump} method
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47 to define runtime behavior of the application.
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48
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49 """
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50 def __init__(self):
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51 self.engine = fife.Engine()
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52
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53 self.loadSettings()
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54 self.initLogging()
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55
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56 self.engine.init()
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57
0
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58 self._animationloader = XMLAnimationLoader(self.engine.getImagePool(), self.engine.getVFS())
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59 self.engine.getAnimationPool().addResourceLoader(self._animationloader)
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60
0
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61 self.quitRequested = False
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62 self.breakRequested = False
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63 self.returnValues = []
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64
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65 def loadSettings(self):
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66 """
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67 Load the settings from a python file and load them into the engine.
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68 Called in the ApplicationBase constructor.
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69 """
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70 import settings
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71 self.settings = settings
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72
0
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73 engineSetting = self.engine.getSettings()
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74 engineSetting.setDefaultFontGlyphs(settings.FontGlyphs)
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75 engineSetting.setDefaultFontPath(settings.Font)
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76 engineSetting.setDefaultFontSize(12)
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77 engineSetting.setBitsPerPixel(settings.BitsPerPixel)
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78 engineSetting.setFullScreen(settings.FullScreen)
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79 engineSetting.setInitialVolume(settings.InitialVolume)
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80 engineSetting.setRenderBackend(settings.RenderBackend)
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81 engineSetting.setSDLRemoveFakeAlpha(settings.SDLRemoveFakeAlpha)
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82 engineSetting.setScreenWidth(settings.ScreenWidth)
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83 engineSetting.setScreenHeight(settings.ScreenHeight)
107
860d81602a2a - prepared basicapplication to use WindowTitle / WindowIcon from clients settings.py
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84
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85
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86 try:
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87 engineSetting.setWindowTitle(settings.WindowTitle)
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88 engineSetting.setWindowIcon(settings.WindowIcon)
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89 except:
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90 pass
0
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91 try:
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92 engineSetting.setImageChunkingSize(settings.ImageChunkSize)
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93 except:
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94 pass
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95
0
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96 def initLogging(self):
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97 """
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98 Initialize the LogManager.
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99 """
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100 self.log = fifelog.LogManager(self.engine, self.settings.LogToPrompt, self.settings.LogToFile)
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101 if self.settings.LogModules:
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102 self.log.setVisibleModules(*self.settings.LogModules)
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103
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104 def createListener(self):
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105 """
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106 This creates a default event listener, which will just close the program
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107 after pressing ESC.
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108
0
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109 You should override this method to provide your own event handling.
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110 """
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111 return ExitEventListener(self)
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112
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113 def run(self):
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114 """
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115 Initialize the event listener and event loop - and start it.
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116 """
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117 eventlistener = self.createListener()
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118 self.engine.initializePumping()
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119 retval = self.mainLoop()
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120 self.engine.finalizePumping()
144
d2f1e81fbe2c * Fixed a scons issue, where libraries checked for C instead of C++
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121 self.engine.destroy()
0
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122 return retval
129
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123
0
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124 def mainLoop(self):
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125 """
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126 The programs main loop.
129
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127
0
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128 Do not override this, instead provide your own L{_pump} method.
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129 You can call this recursively, e.g. to provide synchronous
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130 Dialogs :-) and break out of the current mainLoop by calling
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131 L{breakFromMainLoop}. It will return the argument passed
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132 to L{breakFromMainLoop}.
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133 """
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134 self.returnValues.append(None)
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135 while not self.quitRequested:
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136 try:
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137 self.engine.pump()
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138 except RuntimeError, e:
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139 print str(e)
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140
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141 self._pump()
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142
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143 if self.breakRequested:
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144 self.breakRequested = False
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145 break
129
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146
0
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147 return self.returnValues.pop()
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148
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149 def breakFromMainLoop(self,returnValue):
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150 """
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151 Break from the currently running L{mainLoop}.
129
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152
0
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153 The passed argument will be returned by the mainLoop.
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154 """
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155 self.returnValues[-1] = returnValue
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156 self.breakRequested = True
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157
129
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158
0
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159 def _pump(self):
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160 """
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161 Application pump.
129
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162
0
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163 Derived classes can specialize this for unique behavior.
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164 This is called every frame.
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165 """
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166
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167 def quit(self):
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168 """
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169 Quit the application. Really!
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170 """
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171 self.quitRequested = True