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annotate src/parpg/application.py @ 0:1fd2201f5c36

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Initial commit of parpg-core.
author M. George Hansen <technopolitica@gmail.com>
date Sat, 14 May 2011 01:12:35 -0700
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1fd2201f5c36 Initial commit of parpg-core.
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1 # This program is free software: you can redistribute it and/or modify
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2 # it under the terms of the GNU General Public License as published by
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3 # the Free Software Foundation, either version 3 of the License, or
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4 # (at your option) any later version.
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5
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6 # This program is distributed in the hope that it will be useful,
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7 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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9 # GNU General Public License for more details.
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10
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11 # You should have received a copy of the GNU General Public License
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12 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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13 """This module contains the main Application class
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14 and the basic Listener for PARPG """
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15
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16 import os
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17 import sys
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18
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19 from fife import fife
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20 from fife.extensions import pychan
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21 from fife.extensions.serializers.xmlanimation import XMLAnimationLoader
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22 from fife.extensions.basicapplication import ApplicationBase
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23
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24 from parpg import console
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25 from parpg.font import PARPGFont
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26 from parpg.gamemodel import GameModel
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27 from parpg.mainmenuview import MainMenuView
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28 from parpg.mainmenucontroller import MainMenuController
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29 from parpg.common.listeners.event_listener import EventListener
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30 from parpg.common.listeners.key_listener import KeyListener
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31 from parpg.common.listeners.mouse_listener import MouseListener
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32 from parpg.common.listeners.command_listener import CommandListener
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33 from parpg.common.listeners.console_executor import ConsoleExecuter
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34 from parpg.common.listeners.widget_listener import WidgetListener
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35
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36 class KeyFilter(fife.IKeyFilter):
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37 """
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38 This is the implementation of the fife.IKeyFilter class.
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39
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40 Prevents any filtered keys from being consumed by guichan.
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41 """
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42 def __init__(self, keys):
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43 fife.IKeyFilter.__init__(self)
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44 self._keys = keys
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45
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46 def isFiltered(self, event):
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47 """Checks if an key is filtered"""
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48 return event.getKey().getValue() in self._keys
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49
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50 class ApplicationListener(KeyListener,
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51 MouseListener,
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52 ConsoleExecuter,
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53 CommandListener,
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54 WidgetListener):
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55 """Basic listener for PARPG"""
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56
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57 def __init__(self, event_listener, engine, view, model):
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58 """Initialize the instance.
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59 @type engine: fife.engine
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60 @param engine: ???
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61 @type view: viewbase.ViewBase
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62 @param view: View that draws the current state
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63 @type model: GameModel
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64 @param model: The game model"""
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65
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66 KeyListener.__init__(self, event_listener)
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67 MouseListener.__init__(self, event_listener)
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68 ConsoleExecuter.__init__(self, event_listener)
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69 CommandListener.__init__(self, event_listener)
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70 WidgetListener.__init__(self, event_listener)
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71 self.engine = engine
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72 self.view = view
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73 self.model = model
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74 keyfilter = KeyFilter([fife.Key.ESCAPE])
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75 keyfilter.__disown__()
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76
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77 engine.getEventManager().setKeyFilter(keyfilter)
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78 self.quit = False
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79 self.about_window = None
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80 self.console = console.Console(self)
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81
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82 def quitGame(self):
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83 """Forces a quit game on next cycle.
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84 @return: None"""
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85 self.quit = True
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86
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87 def onConsoleCommand(self, command):
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88 """
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89 Called on every console comand, delegates calls to the a console
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90 object, implementing the callbacks
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91 @type command: string
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92 @param command: the command to run
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93 @return: result
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94 """
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95 return self.console.handleConsoleCommand(command)
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96
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97 def onCommand(self, command):
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98 """Enables the game to be closed via the 'X' button on the window frame
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99 @type command: fife.Command
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100 @param command: The command to read.
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101 @return: None"""
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102 if(command.getCommandType() == fife.CMD_QUIT_GAME):
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103 self.quit = True
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104 command.consume()
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105
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106 class PARPGApplication(ApplicationBase):
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107 """Main Application class
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108 We use an MVC model model
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109 self.gamesceneview is our view,self.model is our model
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110 self.controller is the controller"""
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111
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112 def __init__(self, setting):
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113 """Initialise the instance.
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114 @return: None"""
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115 self._setting = setting
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116 self.engine = fife.Engine()
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117 self.loadSettings()
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118 self.engine.init()
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119 self._animationloader = XMLAnimationLoader(self.engine.getImagePool(),
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120 self.engine.getVFS())
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121 self.engine.getAnimationPool().addResourceLoader(self._animationloader)
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122
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123 pychan.init(self.engine, debug = True)
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124 pychan.setupModalExecution(self.mainLoop,self.breakFromMainLoop)
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125
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126 self.quitRequested = False
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127 self.breakRequested = False
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128 self.returnValues = []
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129 #self.engine.getModel(self)
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130 self.model = GameModel(self.engine, setting)
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131 self.model.readMapFiles()
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132 self.model.readObjectDB()
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133 self.model.getAgentImportFiles()
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134 self.model.readAllAgents()
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135 self.model.getDialogues()
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136 self.view = MainMenuView(self.engine, self.model)
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137 self.loadFonts()
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138 self.event_listener = EventListener(self.engine)
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139 self.controllers = []
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140 controller = MainMenuController(self.engine, self.view, self.model,
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141 self)
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142 #controller.initHud()
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143 self.controllers.append(controller)
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144 self.listener = ApplicationListener(self.event_listener,
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145 self.engine,
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146 self.view,
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147 self.model)
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148 #start_map = self._setting.fife.get("PARPG", "Map")
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149 #self.model.changeMap(start_map)
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150
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151 def loadFonts(self):
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152 # add the fonts path to the system path to import font definitons
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153 sys.path.insert(0, os.path.join(self._setting.system_path,
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154 self._setting.fife.FontsPath))
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155 from oldtypewriter import fontdefs
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156
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157 for fontdef in fontdefs:
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158 pychan.internal.get_manager().addFont(PARPGFont(fontdef,
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159 self._setting))
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160
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161
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162 def loadSettings(self):
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163 """
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164 Load the settings from a python file and load them into the engine.
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165 Called in the ApplicationBase constructor.
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166 """
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167
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168 engineSetting = self.engine.getSettings()
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169 engineSetting.setDefaultFontGlyphs(self._setting.fife.FontGlyphs)
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170 engineSetting.setDefaultFontPath(os.path.join(self._setting.system_path,
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171 self._setting.fife.FontsPath,
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172 self._setting.fife.Font))
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173 engineSetting.setDefaultFontSize(self._setting.fife.DefaultFontSize)
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174 engineSetting.setBitsPerPixel(self._setting.fife.BitsPerPixel)
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175 engineSetting.setInitialVolume(self._setting.fife.InitialVolume)
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176 engineSetting.setSDLRemoveFakeAlpha(self._setting.fife.SDLRemoveFakeAlpha)
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177 engineSetting.setScreenWidth(self._setting.fife.ScreenWidth)
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178 engineSetting.setScreenHeight(self._setting.fife.ScreenHeight)
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179 engineSetting.setRenderBackend(self._setting.fife.RenderBackend)
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180 engineSetting.setFullScreen(self._setting.fife.FullScreen)
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181 engineSetting.setVideoDriver(self._setting.fife.VideoDriver)
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182 engineSetting.setLightingModel(self._setting.fife.Lighting)
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183 engineSetting.setColorKeyEnabled(self._setting.fife.ColorKeyEnabled)
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184
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185 engineSetting.setColorKey(*[int(digit)
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186 for digit in self._setting.fife.ColorKey])
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187
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188 engineSetting.setWindowTitle(self._setting.fife.WindowTitle)
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189 engineSetting.setWindowIcon(os.path.join(self._setting.system_path,
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190 self._setting.fife.IconsPath,
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191 self._setting.fife.WindowIcon))
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192
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193 def createListener(self):
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194 """ __init__ takes care of creating an event listener, so
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195 basicapplication's createListener is harmful. Without
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196 overriding it, the program quit's on esc press, rather than
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197 invoking the main menu
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198 """
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199 pass
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200
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201 def pushController(self, controller):
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202 """Adds a controller to the list to be the current active one."""
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203 self.controllers[-1].pause(True)
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204 self.controllers.append(controller)
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205
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206 def popController(self):
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207 """Removes and returns the current active controller, unless its the last one"""
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208 ret_controller = None
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209 if self.controllers.count > 1:
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210 ret_controller = self.controllers.pop()
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211 self.controllers[-1].pause(False)
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212 ret_controller.onStop()
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213 return ret_controller
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214
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215 def switchController(self, controller):
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216 """Clears the controller list and adds a controller to be the current active one"""
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217 for old_controller in self.controllers:
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218 old_controller.onStop()
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219 self.controllers = []
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220 self.controllers.append(controller)
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221
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222 def _pump(self):
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223 """Main game loop.
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224 There are in fact 2 main loops, this one and the one in GameSceneView.
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225 @return: None"""
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226 if self.listener.quit:
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227 self.breakRequested = True #pylint: disable-msg=C0103
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228 else:
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229 for controller in self.controllers:
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230 controller.pump()