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annotate src/parpg/gamemap.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 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
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18 from fife.extensions.loaders import loadMapFile
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19
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20 class GameMap(fife.MapChangeListener):
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21 """Map class used to flag changes in the map"""
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22 def __init__(self, engine, model):
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23 # init mapchange listener
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24 fife.MapChangeListener.__init__(self)
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25 self.map = None
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26 self.engine = engine
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27 self.model = model
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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 self.transitions = []
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50 self.map = None
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51 self.agent_layer = None
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52 self.top_layer = None
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53 # We have to clear the cameras in the view as well, or we can't reuse
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54 # camera names like 'main'
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55 #self.view.clearCameras()
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56 self.initial_cam2_x = 0
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57 self.cam2_scrolling_right = True
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58 #self.cameras = {}
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59 self.cur_cam2_x = 0
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60 self.target_rotation = 0
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61 self.outline_renderer = None
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62
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63 def makeActive(self):
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64 """Makes this map the active one.
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65 @return: None"""
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66 self.cameras[self.my_cam_id].setEnabled(True)
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67
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68 def load(self, filename):
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69 """Load a map given the filename.
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70 @type filename: String
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71 @param filename: Name of map to load
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72 @return: None"""
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73 self.reset()
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74 self.map = loadMapFile(filename, self.engine)
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75 self.agent_layer = self.map.getLayer('ObjectLayer')
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76 self.top_layer = self.map.getLayer('TopLayer')
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77
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78 # it's possible there's no transition layer
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79 size = len('TransitionLayer')
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80 for layer in self.map.getLayers():
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81 # could be many layers, but hopefully no more than 3
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82 if(layer.getId()[:size] == 'TransitionLayer'):
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83 self.transitions.append(self.map.getLayer(layer.getId()))
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84
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85 """ Initialize the camera.
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86 Note that if we have more than one camera in a map file
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87 we will have to rework how self.my_cam_id works. To make sure
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88 the proper camera is set as the 'main' camera.
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89 At this point we also set the viewport to the current resolution."""
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90 for cam in self.map.getCameras():
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91 width = self.model.settings.fife.ScreenWidth
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92 height = self.model.settings.fife.ScreenHeight
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93 viewport = fife.Rect(0, 0, width, height)
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94 cam.setViewPort(viewport)
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95 self.my_cam_id = cam.getId()
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96 self.cameras[self.my_cam_id] = cam
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97 cam.resetRenderers()
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98
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99 self.target_rotation = self.cameras[self.my_cam_id].getRotation()
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100
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101 self.outline_renderer = fife.InstanceRenderer.\
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102 getInstance(
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103 self.cameras[
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104 self.my_cam_id
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105 ])
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106
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107 # set the render text
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108 rend = fife.FloatingTextRenderer.getInstance(self.cameras[
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109 self.my_cam_id
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110 ])
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111 text = self.engine.getGuiManager().\
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112 createFont('fonts/rpgfont.png', 0, \
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113 self.model.settings.fife.FontGlyphs)
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114 rend.changeDefaultFont(text)
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115 rend.activateAllLayers(self.map)
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116 rend.setEnabled(True)
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117
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118 # Activate the grid renderer on all layers
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119 rend = self.cameras['map_camera'].getRenderer('GridRenderer')
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120 rend.activateAllLayers(self.map)
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121
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122 # Activate the grid renderer on all layers
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123 rend = fife.CoordinateRenderer.getInstance(self.cameras[
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124 self.my_cam_id
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125 ])
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126 rend.setColor(0, 0, 0)
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127 rend.addActiveLayer(self.map.getLayer("GroundLayer"))
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128
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129 # Make World aware that this is now the active map.
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130 self.model.active_map = self
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131
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132 def addPC(self):
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133 """Add the player character to the map
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134 @return: None"""
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135 # Update gamestate.player_character
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136 self.model.game_state.player_character.behaviour.onNewMap(self.agent_layer)
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137 self.centerCameraOnPlayer()
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138
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139 def toggleRenderer(self, r_name):
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140 """Enable or disable a renderer.
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141 @return: None"""
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142 renderer = self.cameras[self.my_cam_id].getRenderer(str(r_name))
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143 renderer.setEnabled(not renderer.isEnabled())
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144
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145 def isPaused(self):
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146 """Returns wheter the map is currentply paused or not"""
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147 # Time multiplier is a float, never do equals on floats
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148 return not self.map.getTimeMultiplier() >= 1.0
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149
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150 def pause(self, paused):
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151 """ Pause/Unpause the game.
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152 @return: nothing"""
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153 if paused:
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154 self.map.setTimeMultiplier(0.0)
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155 if not paused and self.isPaused():
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156 self.map.setTimeMultiplier(1.0)
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157
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158 def togglePause(self):
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159 """ Toggle paused state.
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160 @return: nothing"""
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161 self.pause(not self.isPaused())
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162
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163 def centerCameraOnPlayer(self):
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164 """Center the camera on the player"""
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165 camera = self.cameras[self.my_cam_id]
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166 player_agent = self.model.game_state.player_character.behaviour.agent
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167 camera.setLocation(player_agent.getLocation())