Mercurial > rinkhals
annotate gamelib/gameboard.py @ 96:a851461d345e
Iterate over a copy of the loop when changing it
author | Neil Muller <drnlmuller@gmail.com> |
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date | Wed, 02 Sep 2009 11:40:51 +0000 |
parents | fa8d8fc1bf5b |
children | 725b292ca07b |
rev | line source |
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1 import random |
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2 |
35 | 3 import pygame |
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4 from pygame.locals import MOUSEBUTTONDOWN, KEYDOWN, K_UP, K_DOWN, K_LEFT, K_RIGHT |
35 | 5 from pgu import gui |
9 | 6 |
7 import data | |
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8 import tiles |
79 | 9 import icons |
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10 import constants |
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11 import buildings |
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12 import animal |
84 | 13 import equipment |
94 | 14 import sound |
35 | 15 |
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16 class OpaqueLabel(gui.Label): |
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17 def paint(self, s): |
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18 s.fill(self.style.background) |
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19 gui.Label.paint(self, s) |
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20 |
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21 def update_value(self, value): |
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22 self.value = value |
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23 self.style.width, self.style.height = self.font.size(self.value) |
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24 self.repaint() |
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25 |
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26 |
35 | 27 class ToolBar(gui.Table): |
28 def __init__(self, gameboard, **params): | |
29 gui.Table.__init__(self, **params) | |
30 self.gameboard = gameboard | |
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31 self.cash_counter = OpaqueLabel("Groats: ", color=constants.FG_COLOR) |
79 | 32 self.chicken_counter = OpaqueLabel(" ", color=constants.FG_COLOR) |
33 self.killed_foxes = OpaqueLabel(" ", color=constants.FG_COLOR) | |
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34 |
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35 self.add_counter(None, self.cash_counter) |
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36 self.add_counter(icons.CHKN_ICON, self.chicken_counter) |
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37 self.add_counter(icons.KILLED_FOX, self.killed_foxes) |
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38 |
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39 self.add_tool_button("Sell chicken", constants.TOOL_SELL_CHICKEN) |
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40 self.add_tool_button("Sell egg", constants.TOOL_SELL_EGG) |
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41 self.add_tool_button("Sell building", constants.TOOL_SELL_BUILDING) |
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42 self.add_tool_button("Buy fence", constants.TOOL_BUY_FENCE) |
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43 for building_cls in buildings.BUILDINGS: |
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44 self.add_tool_button("Buy %s" % (building_cls.NAME,), building_cls) |
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45 self.add_spacer() |
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46 self.add_button("Finished Day", self.day_done) |
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47 |
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48 def day_done(self): |
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49 import engine |
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50 pygame.event.post(engine.START_NIGHT) |
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51 |
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52 def update_cash_counter(self, amount): |
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53 self.cash_counter.update_value("Groats: %s" % amount) |
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54 self.repaint() |
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55 |
79 | 56 def update_chicken_counter(self, number): |
57 self.chicken_counter.update_value(" %s" % number) | |
58 self.repaint() | |
59 | |
60 def update_fox_counter(self, number): | |
61 self.killed_foxes.update_value(" %s" % number) | |
62 self.repaint() | |
63 | |
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64 def add_spacer(self, height=30): |
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65 self.tr() |
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66 self.add(gui.Spacer(0, height)) |
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67 |
35 | 68 def add_tool_button(self, text, tool): |
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69 self.add_button(text, lambda: self.gameboard.set_selected_tool(tool)) |
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70 |
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71 def add_button(self, text, func): |
35 | 72 button = gui.Button(text) |
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73 button.connect(gui.CLICK, func) |
35 | 74 self.tr() |
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75 self.add(button) |
35 | 76 |
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77 def add_counter(self, icon, label): |
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78 self.tr() |
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79 if icon: |
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80 self.td(icon, align=-1) |
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81 self.add(label) |
35 | 82 |
83 class VidWidget(gui.Widget): | |
84 def __init__(self, gameboard, vid, **params): | |
85 gui.Widget.__init__(self, **params) | |
86 self.gameboard = gameboard | |
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87 vid.bounds = pygame.Rect((0, 0), vid.tile_to_view(vid.size)) |
35 | 88 self.vid = vid |
89 self.width = params.get('width', 0) | |
90 self.height = params.get('height', 0) | |
91 | |
92 def paint(self, surface): | |
93 self.vid.paint(surface) | |
94 | |
95 def update(self, surface): | |
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96 return self.vid.update(surface) |
35 | 97 |
98 def resize(self, width=0, height=0): | |
99 if width is not None: | |
100 self.width = width | |
101 if height is not None: | |
102 self.height = height | |
103 return self.width, self.height | |
104 | |
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105 def move_view(self, x, y): |
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106 self.vid.view.move_ip((x, y)) |
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107 |
35 | 108 def event(self, e): |
109 if e.type == MOUSEBUTTONDOWN: | |
110 self.gameboard.use_tool(e) | |
111 | |
112 | |
9 | 113 class GameBoard(object): |
114 TILE_DIMENSIONS = (20, 20) | |
35 | 115 TOOLBAR_WIDTH = 140 |
9 | 116 |
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117 GRASSLAND = tiles.REVERSE_TILE_MAP['grassland'] |
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118 FENCE = tiles.REVERSE_TILE_MAP['fence'] |
79 | 119 WOODLAND = tiles.REVERSE_TILE_MAP['woodland'] |
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120 BROKEN_FENCE = tiles.REVERSE_TILE_MAP['broken fence'] |
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121 |
9 | 122 def __init__(self): |
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123 self.tv = tiles.FarmVid() |
9 | 124 self.tv.tga_load_tiles(data.filepath('tiles.tga'), self.TILE_DIMENSIONS) |
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125 self.tv.png_folder_load_tiles(data.filepath('tiles')) |
9 | 126 self.tv.tga_load_level(data.filepath('level1.tga')) |
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127 self.create_disp() |
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128 |
35 | 129 self.selected_tool = None |
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130 self.chickens = [] |
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131 self.foxes = [] |
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132 self.buildings = [] |
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133 self.cash = 0 |
79 | 134 self.killed_foxes = 0 |
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135 self.add_cash(constants.STARTING_CASH) |
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136 |
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137 self.fix_buildings() |
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138 |
35 | 139 def create_disp(self): |
140 width, height = pygame.display.get_surface().get_size() | |
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141 tbl = gui.Table() |
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142 tbl.tr() |
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143 self.toolbar = ToolBar(self) |
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144 tbl.td(self.toolbar, width=self.TOOLBAR_WIDTH) |
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145 self.tvw = VidWidget(self, self.tv, width=width-self.TOOLBAR_WIDTH, height=height) |
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146 tbl.td(self.tvw) |
35 | 147 self.disp = gui.App() |
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148 self.disp.init(tbl) |
14 | 149 |
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150 def paint(self, screen): |
35 | 151 self.disp.paint(screen) |
14 | 152 |
9 | 153 def update(self, screen): |
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154 self.tvw.reupdate() |
35 | 155 return self.disp.update(screen) |
9 | 156 |
157 def loop(self): | |
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158 self.tv.loop() |
9 | 159 |
35 | 160 def set_selected_tool(self, tool): |
161 self.selected_tool = tool | |
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162 |
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163 def in_bounds(self, pos): |
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164 """Check if a position is within the game boundaries""" |
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165 if pos.x < 0 or pos.y < 0: |
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166 return False |
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167 width, height = self.tv.size |
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168 if pos.x >= width or pos.y >= height: |
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169 return False |
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170 return True |
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171 |
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172 def use_tool(self, e): |
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173 if self.selected_tool == constants.TOOL_SELL_CHICKEN: |
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174 self.sell_chicken(e.pos) |
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175 elif self.selected_tool == constants.TOOL_SELL_EGG: |
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176 pass |
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177 elif self.selected_tool == constants.TOOL_BUY_FENCE: |
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178 self.buy_fence(self.tv.screen_to_tile(e.pos)) |
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179 elif self.selected_tool == constants.TOOL_SELL_BUILDING: |
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180 self.sell_building(self.tv.screen_to_tile(e.pos)) |
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181 elif buildings.is_building(self.selected_tool): |
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182 self.buy_building(self.tv.screen_to_tile(e.pos), self.selected_tool) |
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183 |
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184 def get_chicken(self, pos): |
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185 for chick in self.chickens: |
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186 if chick.rect.collidepoint(pos): |
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187 return chick |
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188 return None |
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189 |
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190 def sell_chicken(self, pos): |
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191 chick = self.get_chicken(pos) |
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192 if chick is None: |
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193 return |
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194 if len(self.chickens) == 1: |
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195 print "You can't sell your last chicken!" |
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196 return |
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197 self.add_cash(constants.SELL_PRICE_CHICKEN) |
94 | 198 sound.play_sound("chicken4.ogg") |
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199 self.remove_chicken(chick) |
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200 |
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201 def buy_fence(self, tile_pos): |
69
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202 this_tile = self.tv.get(tile_pos) |
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203 if this_tile not in [self.GRASSLAND, self.BROKEN_FENCE]: |
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204 return |
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205 if this_tile == self.GRASSLAND: |
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206 cost = constants.BUY_PRICE_FENCE |
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207 else: |
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208 cost = constants.REPAIR_PRICE_FENCE |
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209 if self.cash < cost: |
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210 print "You can't afford a fence." |
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211 return |
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212 self.add_cash(-cost) |
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213 self.tv.set(tile_pos, self.FENCE) |
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214 |
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215 def sell_fence(self, tile_pos): |
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216 if self.tv.get(tile_pos) != self.FENCE: |
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217 return |
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218 self.add_cash(constants.SELL_PRICE_FENCE) |
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219 self.tv.set(tile_pos, self.GRASSLAND) |
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220 |
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221 def buy_building(self, tile_pos, building_cls): |
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222 building = building_cls(tile_pos) |
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223 if self.cash < building.buy_price(): |
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224 return |
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225 if building.place(self.tv): |
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226 self.add_cash(-building.buy_price()) |
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227 self.add_building(building) |
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228 |
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229 def sell_building(self, tile_pos): |
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230 if self.tv.get(tile_pos) == self.FENCE: |
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231 return self.sell_fence(tile_pos) |
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232 for building in self.buildings: |
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233 if building.covers(tile_pos): |
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234 self.add_cash(building.sell_price()) |
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235 building.remove(self.tv) |
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236 self.remove_building(building) |
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237 break |
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238 |
14 | 239 def event(self, e): |
39
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240 if e.type == KEYDOWN: |
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241 if e.key == K_UP: |
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242 self.tvw.move_view(0, -self.TILE_DIMENSIONS[1]) |
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243 if e.key == K_DOWN: |
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244 self.tvw.move_view(0, self.TILE_DIMENSIONS[1]) |
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245 if e.key == K_LEFT: |
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246 self.tvw.move_view(-self.TILE_DIMENSIONS[0], 0) |
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247 if e.key == K_RIGHT: |
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248 self.tvw.move_view(self.TILE_DIMENSIONS[0], 0) |
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249 else: |
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250 self.disp.event(e) |
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251 |
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252 def clear_foxes(self): |
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253 for fox in self.foxes[:]: |
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254 # Any foxes that didn't make it to the woods are automatically |
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255 # killed |
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256 if self.in_bounds(fox.pos) and self.tv.get(fox.pos.to_tuple()) \ |
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257 != self.WOODLAND: |
84 | 258 self.kill_fox(fox) |
259 else: | |
260 self.tv.sprites.remove(fox) | |
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261 self.foxes = [] # Remove all the foxes |
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262 |
29 | 263 def move_foxes(self): |
264 for fox in self.foxes: | |
265 fox.move(self) | |
84 | 266 for chicken in self.chickens: |
267 chicken.attack(self) | |
29 | 268 |
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269 def add_chicken(self, chicken): |
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270 self.chickens.append(chicken) |
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271 self.tv.sprites.append(chicken) |
79 | 272 self.toolbar.update_chicken_counter(len(self.chickens)) |
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273 |
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274 def add_fox(self, fox): |
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275 self.foxes.append(fox) |
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276 self.tv.sprites.append(fox) |
29 | 277 |
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278 def add_building(self, building): |
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279 self.buildings.append(building) |
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280 self.tv.sprites.append(building) |
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281 |
84 | 282 def kill_fox(self, fox): |
283 if fox in self.foxes: | |
284 self.killed_foxes += 1 | |
285 self.toolbar.update_fox_counter(self.killed_foxes) | |
286 self.add_cash(constants.SELL_PRICE_DEAD_FOX) | |
287 self.remove_fox(fox) | |
288 | |
29 | 289 def remove_fox(self, fox): |
290 if fox in self.foxes: | |
291 self.foxes.remove(fox) | |
292 self.tv.sprites.remove(fox) | |
293 | |
294 def remove_chicken(self, chick): | |
295 if chick in self.chickens: | |
296 self.chickens.remove(chick) | |
297 self.tv.sprites.remove(chick) | |
79 | 298 self.toolbar.update_chicken_counter(len(self.chickens)) |
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299 |
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300 def remove_building(self, building): |
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301 if building in self.buildings: |
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302 self.buildings.remove(building) |
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303 self.tv.sprites.remove(building) |
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304 |
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305 def add_cash(self, amount): |
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306 self.cash += amount |
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307 self.toolbar.update_cash_counter(self.cash) |
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308 |
69
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309 def update_chickens(self): |
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310 """Update the chickens state at the start of the new day""" |
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311 # Currently random chickens appear |
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312 # Very simple, we walk around the tilemap, and, for each farm tile, |
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313 # we randomly add a chicken (1 in 10 chance) until we have 5 chickens |
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314 # or we run out of board |
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315 x, y = 0, 0 |
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316 width, height = self.tv.size |
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317 while len(self.chickens) < 5: |
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318 if x < width: |
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319 tile = self.tv.get((x, y)) |
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320 else: |
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321 y += 1 |
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322 if y >= height: |
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323 break |
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324 x = 0 |
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325 continue |
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326 # See if we place a chicken |
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327 if 'grassland' == tiles.TILE_MAP[tile]: |
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328 # Farmland |
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329 roll = random.randint(1, 20) |
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330 # We don't place within a tile of the fence, this is to make things |
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331 # easier |
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332 for xx in range(x-1, x+2): |
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333 if xx >= width or xx < 0: |
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334 continue |
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335 for yy in range(y-1, y+2): |
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336 if yy >= height or yy < 0: |
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337 continue |
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338 neighbour = self.tv.get((xx, yy)) |
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339 if 'fence' == tiles.TILE_MAP[neighbour]: |
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340 # Fence |
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341 roll = 10 |
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342 if roll == 1: |
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343 # Create a chicken |
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344 chick = animal.Chicken((x, y)) |
84 | 345 if random.randint(0, 1) == 0: |
346 chick.equip(equipment.Rifle()) | |
69
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347 self.add_chicken(chick) |
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348 x += 1 |
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349 |
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350 def spawn_foxes(self): |
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351 """The foxes come at night, and this is where they come from.""" |
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352 # Foxes spawn just outside the map |
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353 x, y = 0, 0 |
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354 width, height = self.tv.size |
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355 new_foxes = random.randint(3, 7) |
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356 while len(self.foxes) < new_foxes: |
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357 side = random.randint(0, 3) |
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358 if side == 0: |
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359 # top |
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360 y = -1 |
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361 x = random.randint(-1, width) |
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362 elif side == 1: |
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363 # bottom |
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364 y = height |
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365 x = random.randint(-1, width) |
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366 elif side == 2: |
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367 # left |
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368 x = -1 |
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369 y = random.randint(-1, height) |
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370 else: |
73
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371 x = width |
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372 y = random.randint(-1, height) |
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373 skip = False |
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374 for other_fox in self.foxes: |
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375 if other_fox.pos.x == x and other_fox.pos.y == y: |
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376 skip = True # Choose a new position |
69
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377 break |
73
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378 if not skip: |
92
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379 roll = random.randint(0, 10) |
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380 if roll < 9: |
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381 fox = animal.Fox((x, y)) |
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382 else: |
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383 fox = animal.GreedyFox((x, y)) |
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384 self.add_fox(fox) |
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385 |
67
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386 def fix_buildings(self): |
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387 """Go through the level map looking for buildings that haven't |
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388 been added to self.buildings and adding them. |
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389 |
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390 Where partial buildings exist (i.e. places where the building |
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391 cannot fit on the available tiles) the building is added anyway |
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392 to the top left corner. |
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393 |
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394 Could be a lot faster. |
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395 """ |
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396 tile_to_building = dict((b.TILE_NO, b) for b in buildings.BUILDINGS) |
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397 |
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398 w, h = self.tv.size |
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399 for x in xrange(w): |
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400 for y in xrange(h): |
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401 tile_pos = (x, y) |
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402 tile_no = self.tv.get(tile_pos) |
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403 if tile_no not in tile_to_building: |
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404 continue |
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405 |
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406 covered = False |
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407 for building in self.buildings: |
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408 if building.covers(tile_pos): |
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409 covered = True |
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410 break |
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411 |
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412 if covered: |
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413 continue |
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414 |
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415 building_cls = tile_to_building[tile_no] |
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416 building = building_cls(tile_pos) |
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417 building.remove(self.tv) |
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418 building.place(self.tv) |
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419 self.add_building(building) |