Mercurial > parpg-core

annotate src/parpg/gamemap.py @ 54:5e27c24acaef

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Fixed bug that the game crashes in the main menu after a few seconds.
author KarstenBock@gmx.net
date Sun, 04 Sep 2011 16:37:37 +0200
parents d60f1dab8469
children ad75fa042b99
rev   line source
0
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1 # This file is part of PARPG.
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2
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3 # PARPG is free software: you can redistribute it and/or modify
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4 # it under the terms of the GNU General Public License as published by
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5 # the Free Software Foundation, either version 3 of the License, or
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6 # (at your option) any later version.
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7
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8 # PARPG is distributed in the hope that it will be useful,
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9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 # GNU General Public License for more details.
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12
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13 # You should have received a copy of the GNU General Public License
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14 # along with PARPG. If not, see <http://www.gnu.org/licenses/>.
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15
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16 from fife import fife
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17 from fife.extensions.loaders import loadMapFile
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18
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19 class GameMap(fife.MapChangeListener):
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20 """Map class used to flag changes in the map"""
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21 def __init__(self, engine, model):
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22 # init mapchange listener
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23 fife.MapChangeListener.__init__(self)
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24 self.map = None
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25 self.engine = engine
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26 self.model = model
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27 self.settings = self.model.settings
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28
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29 # init map attributes
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30 self.my_cam_id = None
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31 self.cameras = {}
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32 self.agent_layer = None
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33 self.top_layer = None
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34 self.fife_model = engine.getModel()
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35 self.transitions = []
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36 self.cur_cam2_x = 0
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37 self.initial_cam2_x = 0
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38 self.cam2_scrolling_right = True
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39 self.target_rotation = 0
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40 self.outline_renderer = None
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41
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42 def reset(self):
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43 """Reset the model to default settings.
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44 @return: None"""
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45 # We have to delete the map in Fife.
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46 if self.map:
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47 self.model.deleteObjects()
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48 self.model.deleteMap(self.map)
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49
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50 self.transitions = []
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51 self.map = None
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52 self.agent_layer = None
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53 self.top_layer = None
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54 # We have to clear the cameras in the view as well, or we can't reuse
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55 # camera names like 'main'
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56 #self.view.clearCameras()
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57 self.initial_cam2_x = 0
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58 self.cam2_scrolling_right = True
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59 #self.cameras = {}
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60 self.cur_cam2_x = 0
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61 self.target_rotation = 0
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62 self.outline_renderer = None
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63
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64 def makeActive(self):
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65 """Makes this map the active one.
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66 @return: None"""
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67 self.cameras[self.my_cam_id].setEnabled(True)
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68
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69 def load(self, filename):
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70 """Load a map given the filename.
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71 @type filename: String
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72 @param filename: Name of map to load
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73 @return: None"""
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74 self.reset()
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75
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76 self.map = loadMapFile(filename, self.engine)
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77
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78 self.agent_layer = self.map.getLayer('ObjectLayer')
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79 self.top_layer = self.map.getLayer('TopLayer')
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80
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81 # it's possible there's no transition layer
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82 size = len('TransitionLayer')
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83 for layer in self.map.getLayers():
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84 # could be many layers, but hopefully no more than 3
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85 if(layer.getId()[:size] == 'TransitionLayer'):
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86 self.transitions.append(self.map.getLayer(layer.getId()))
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87
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88 """ Initialize the camera.
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89 Note that if we have more than one camera in a map file
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90 we will have to rework how self.my_cam_id works. To make sure
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91 the proper camera is set as the 'main' camera.
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92 At this point we also set the viewport to the current resolution."""
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93 for cam in self.map.getCameras():
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94 width = self.settings.fife.ScreenWidth
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95 height = self.settings.fife.ScreenHeight
0
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96 viewport = fife.Rect(0, 0, width, height)
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97 cam.setViewPort(viewport)
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98 self.my_cam_id = cam.getId()
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99 self.cameras[self.my_cam_id] = cam
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100 cam.resetRenderers()
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101
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102 self.target_rotation = self.cameras[self.my_cam_id].getRotation()
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103
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104 self.outline_renderer = fife.InstanceRenderer.\
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105 getInstance(
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106 self.cameras[
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107 self.my_cam_id
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108 ])
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109
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110 # set the render text
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111 rend = fife.FloatingTextRenderer.getInstance(self.cameras[
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112 self.my_cam_id
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113 ])
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114 text = self.engine.getGuiManager().createFont('fonts/rpgfont.png',
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115 0,
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116 self.settings.fife.FontGlyphs)
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117
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118 rend.changeDefaultFont(text)
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119 rend.activateAllLayers(self.map)
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120 rend.setEnabled(True)
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121
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122 # Activate the grid renderer on all layers
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123 rend = self.cameras['map_camera'].getRenderer('GridRenderer')
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124 rend.activateAllLayers(self.map)
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125
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126 # Activate the grid renderer on all layers
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127 rend = fife.CoordinateRenderer.getInstance(self.cameras[
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128 self.my_cam_id
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129 ])
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130 rend.setColor(0, 0, 0)
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131 rend.addActiveLayer(self.map.getLayer("GroundLayer"))
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132
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133 # Make World aware that this is now the active map.
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134 self.model.active_map = self
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135
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136 def addPC(self):
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137 """Add the player character to the map
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138 @return: None"""
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139 # Update gamestate.player_character
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140 self.model.game_state.player_character.behaviour.onNewMap(self.agent_layer)
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141 self.centerCameraOnPlayer()
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142
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143 def toggleRenderer(self, r_name):
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144 """Enable or disable a renderer.
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145 @return: None"""
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146 renderer = self.cameras[self.my_cam_id].getRenderer(str(r_name))
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147 renderer.setEnabled(not renderer.isEnabled())
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148
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149 def isPaused(self):
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150 """Returns wheter the map is currentply paused or not"""
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151 # Time multiplier is a float, never do equals on floats
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152 return not self.map.getTimeMultiplier() >= 1.0
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153
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154 def pause(self, paused):
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155 """ Pause/Unpause the game.
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156 @return: nothing"""
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157 if paused:
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158 self.map.setTimeMultiplier(0.0)
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159 if not paused and self.isPaused():
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160 self.map.setTimeMultiplier(1.0)
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161
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162 def togglePause(self):
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163 """ Toggle paused state.
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164 @return: nothing"""
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165 self.pause(not self.isPaused())
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166
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167 def centerCameraOnPlayer(self):
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168 """Center the camera on the player"""
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169 camera = self.cameras[self.my_cam_id]
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170 player_agent = self.model.game_state.player_character.behaviour.agent
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171 camera.setLocation(player_agent.getLocation())