Mercurial > rinkhals
annotate gamelib/buildings.py @ 208:f82d17f99882
Fix bugs in clicking around inside buildings while moving chickens.
| author | Simon Cross <hodgestar@gmail.com> |
|---|---|
| date | Fri, 04 Sep 2009 21:12:16 +0000 |
| parents | 636c3fafa32d |
| children | c279ad59b8e2 |
| rev | line source |
|---|---|
| 43 | 1 """Classes for various buildings in the game.""" |
| 2 | |
| 3 from pgu.vid import Sprite | |
| 204 | 4 from pygame.locals import SRCALPHA |
| 5 import pygame | |
| 6 import pygame.font | |
| 43 | 7 |
| 8 import imagecache | |
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9 import tiles |
| 204 | 10 import constants |
| 11 | |
| 12 import warnings | |
| 13 warnings.filterwarnings("ignore", "os.popen3 is deprecated.") | |
| 43 | 14 |
| 125 | 15 class Place(object): |
| 16 """Space within a building that can be occupied.""" | |
| 17 | |
| 18 def __init__(self, building, offset): | |
| 19 self.occupant = None | |
| 20 self.building = building | |
| 21 self.offset = offset | |
| 22 | |
| 204 | 23 def set_occupant(self, occupant, _update=True): |
| 24 self.clear_occupant(_update=False) | |
| 125 | 25 self.occupant = occupant |
| 26 self.occupant.abode = self | |
| 204 | 27 if _update: |
| 28 self.building.update_occupant_count() | |
| 125 | 29 |
| 204 | 30 def clear_occupant(self, _update=True): |
| 125 | 31 if self.occupant is not None: |
| 32 self.occupant.abode = None | |
| 33 self.occupant = None | |
| 204 | 34 if _update: |
| 35 self.building.update_occupant_count() | |
| 125 | 36 |
| 37 def get_pos(self): | |
| 38 bpos = self.building.pos | |
| 39 return (bpos[0] + self.offset[0], bpos[1] + self.offset[1]) | |
| 40 | |
| 41 class Floor(object): | |
| 42 """A set of places within a building. Places on a | |
| 43 floor are organised into rows and columns. | |
| 44 """ | |
| 45 | |
| 46 def __init__(self, title, places): | |
| 47 self.title = title # str | |
| 48 self.places = places # list of lists of places | |
| 49 | |
| 50 def rows(self): | |
| 51 for row in self.places: | |
| 52 yield row | |
| 53 | |
| 54 def width(self): | |
| 55 return max(len(row) for row in self.places) | |
| 56 | |
| 57 class BuildingFullError(Exception): | |
| 58 pass | |
| 59 | |
| 43 | 60 class Building(Sprite): |
| 61 """Base class for buildings""" | |
| 62 | |
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63 IS_BUILDING = True |
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64 GRASSLAND = tiles.REVERSE_TILE_MAP['grassland'] |
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65 MODIFY_KNIFE_RANGE = lambda s, x: 0 |
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66 MODIFY_GUN_RANGE = lambda s, x: -1 |
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67 |
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68 def __init__(self, pos): |
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69 """Initial image, tile vid position, size and tile number for building.""" |
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70 self.day_image = imagecache.load_image(self.IMAGE) |
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71 self.night_image = imagecache.load_image(self.IMAGE, ('night',)) |
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72 self.selected_image = imagecache.load_image(self.SELECTED_IMAGE) |
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73 self.pos = pos |
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74 self.size = self.SIZE |
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75 self.tile_no = self.TILE_NO |
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76 self._buy_price = self.BUY_PRICE |
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77 self._sell_price = self.SELL_PRICE |
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78 self._sun_on = True |
| 204 | 79 self._font = pygame.font.SysFont('Vera', 30, bold=True) |
| 80 self._font_image = pygame.Surface(self.day_image.get_size(), flags=SRCALPHA) | |
| 81 self._font_image.fill((0, 0, 0, 0)) | |
| 125 | 82 |
| 83 self._floors = [] | |
| 84 for f in range(self.FLOORS): | |
| 85 places = [] | |
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86 for j in range(self.size[1]): |
| 125 | 87 row = [] |
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88 for i in range(self.size[0]): |
| 125 | 89 row.append(Place(self, (i, j))) |
| 90 places.append(row) | |
| 91 floor = Floor("Floor %s" % (f+1,), places) | |
| 92 self._floors.append(floor) | |
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93 |
| 204 | 94 # 0: the main iamge |
| 95 # 1: above, -1: below | |
| 96 self.draw_stack = {"main": (0, self.day_image)} | |
| 97 | |
| 43 | 98 # Create the building somewhere far off screen |
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99 Sprite.__init__(self, self.day_image, (-1000, -1000)) |
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100 |
| 204 | 101 def _redraw(self): |
| 102 items = self.draw_stack.values() | |
| 103 items.sort(key=lambda x: x[0]) | |
| 104 image = items.pop(0)[1].copy() | |
| 105 for _lvl, overlay in items: | |
| 106 image.blit(overlay, (0, 0)) | |
| 107 self.setimage(image) | |
| 108 | |
| 109 def _replace_main(self, new_main): | |
| 110 self.draw_stack["main"] = (0, new_main) | |
| 111 self._redraw() | |
| 112 | |
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113 def tile_positions(self): |
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114 """Return pairs of (x, y) tile positions for each of the tile positions |
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115 occupied by the building. |
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116 """ |
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117 xpos, ypos = self.pos |
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118 xsize, ysize = self.size |
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119 |
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120 for dx in xrange(xsize): |
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121 for dy in xrange(ysize): |
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122 yield (xpos + dx, ypos + dy) |
| 43 | 123 |
| 124 def loop(self, tv, _sprite): | |
| 125 ppos = tv.tile_to_view(self.pos) | |
| 126 self.rect.x = ppos[0] | |
| 127 self.rect.y = ppos[1] | |
| 128 | |
| 129 def move(self, state): | |
| 130 """Given the game state, return a new position for the object""" | |
| 131 # Default is not to move | |
| 132 return self.pos | |
| 133 | |
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134 def place(self, tv): |
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135 """Check that the building can be placed at its current position |
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136 and place it if possible. |
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137 """ |
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138 # check that all spaces under the structure are grassland |
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139 for tile_pos in self.tile_positions(): |
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140 if not tv.get(tile_pos) == self.GRASSLAND: |
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141 return False |
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142 |
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143 # place tile |
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144 for tile_pos in self.tile_positions(): |
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145 tv.set(tile_pos, self.tile_no) |
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146 |
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147 return True |
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148 |
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149 def covers(self, tile_pos): |
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150 """Return True if build covers tile_pos, False otherwise.""" |
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151 xpos, ypos = self.pos |
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152 xsize, ysize = self.size |
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153 return (xpos <= tile_pos[0] < xpos + xsize) and \ |
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154 (ypos <= tile_pos[1] < ypos + ysize) |
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155 |
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156 def remove(self, tv): |
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157 """Remove the building from its current position.""" |
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158 # remove tile |
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159 for tile_pos in self.tile_positions(): |
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160 tv.set(tile_pos, self.GRASSLAND) |
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161 |
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162 def buy_price(self): |
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163 return self._buy_price |
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164 |
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165 def sell_price(self): |
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166 return self._sell_price |
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167 |
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168 def selected(self, selected): |
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169 if selected: |
| 204 | 170 self._replace_main(self.selected_image) |
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171 else: |
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172 self.sun(self._sun_on) |
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173 |
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174 def sun(self, sun_on): |
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175 self._sun_on = sun_on |
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176 if sun_on: |
| 204 | 177 self._replace_main(self.day_image) |
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178 else: |
| 204 | 179 self._replace_main(self.night_image) |
| 180 | |
| 181 def update_occupant_count(self): | |
| 182 count = len(list(self.occupants())) | |
| 183 if count == 0: | |
| 184 if "count" in self.draw_stack: | |
| 185 del self.draw_stack["count"] | |
| 186 else: | |
| 187 image = self._font_image.copy() | |
| 188 text = self._font.render(str(count), True, constants.FG_COLOR) | |
| 189 w, h = image.get_size() | |
| 190 x, y = text.get_size() | |
| 191 image.blit(text, (w - x, h - y)) | |
| 192 self.draw_stack["count"] = (1, image) | |
| 193 self._redraw() | |
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194 |
| 125 | 195 def floors(self): |
| 196 return self._floors | |
| 197 | |
| 198 def places(self): | |
| 199 for floor in self._floors: | |
| 200 for row in floor.rows(): | |
| 201 for place in row: | |
| 202 yield place | |
| 203 | |
| 204 def max_floor_width(self): | |
| 205 return max(floor.width() for floor in self._floors) | |
| 206 | |
| 207 def first_empty_place(self): | |
| 208 for place in self.places(): | |
| 209 if place.occupant is None: | |
| 210 return place | |
| 211 raise BuildingFullError() | |
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212 |
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213 def add_occupant(self, occupant): |
| 125 | 214 place = self.first_empty_place() |
| 215 place.set_occupant(occupant) | |
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216 |
| 125 | 217 def occupants(self): |
| 218 for place in self.places(): | |
| 219 if place.occupant is not None: | |
| 220 yield place.occupant | |
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221 |
| 43 | 222 class HenHouse(Building): |
| 223 """A HenHouse.""" | |
| 224 | |
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225 TILE_NO = tiles.REVERSE_TILE_MAP['henhouse'] |
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226 BUY_PRICE = 100 |
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227 SELL_PRICE = 90 |
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228 SIZE = (3, 2) |
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229 IMAGE = 'sprites/henhouse.png' |
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230 SELECTED_IMAGE = 'sprites/select_henhouse.png' |
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231 NAME = 'Henhouse' |
| 125 | 232 FLOORS = 1 |
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233 |
| 125 | 234 class DoubleStoryHenHouse(HenHouse): |
| 235 """A double story hen house.""" | |
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236 |
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237 TILE_NO = tiles.REVERSE_TILE_MAP['hendominium'] |
| 125 | 238 BUY_PRICE = 300 |
| 239 SELL_PRICE = 150 | |
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240 SIZE = (2, 3) |
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241 IMAGE = 'sprites/hendominium.png' |
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242 SELECTED_IMAGE = 'sprites/select_hendominium.png' |
| 125 | 243 NAME = 'Hendominium' |
| 244 FLOORS = 2 | |
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245 |
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246 class GuardTower(Building): |
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247 """A GuardTower.""" |
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248 |
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249 TILE_NO = tiles.REVERSE_TILE_MAP['guardtower'] |
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250 BUY_PRICE = 200 |
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251 SELL_PRICE = 150 |
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252 SIZE = (2, 2) |
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253 IMAGE = 'sprites/watchtower.png' |
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254 SELECTED_IMAGE = 'sprites/select_watchtower.png' |
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255 NAME = 'Watchtower' |
| 125 | 256 FLOORS = 1 |
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257 |
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258 MODIFY_GUN_RANGE = lambda s, x: (3*x)/2 |
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259 MODIFY_GUN_BASE_HIT = lambda s, x: x-5 |
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260 MODIFY_GUN_RANGE_PENALTY = lambda s, x: x-1 |
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199
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261 MODIFY_VISION_BONUS = lambda s, x: x+10 |
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262 MODIFY_VISION_RANGE_PENALTY = lambda s, x: x-2 |
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263 |
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264 def is_building(obj): |
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265 """Return true if obj is a build class.""" |
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266 return getattr(obj, "IS_BUILDING", False) and hasattr(obj, "NAME") |
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267 |
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268 # Building hens can lay eggs in |
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269 HENHOUSES = [HenHouse.NAME, DoubleStoryHenHouse.NAME] |
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270 |
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271 BUILDINGS = [] |
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272 for name in dir(): |
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273 obj = eval(name) |
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274 try: |
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275 if is_building(obj): |
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276 BUILDINGS.append(obj) |
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277 except TypeError: |
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278 pass |