Mercurial > rinkhals
annotate gamelib/buildings.py @ 561:7f037ee2a6c8
Show count of selected chickens in buildings
| author | Neil Muller <drnlmuller@gmail.com> |
|---|---|
| date | Sat, 28 Nov 2009 18:40:04 +0000 |
| parents | 50d6c68ce267 |
| children |
| 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 | |
| 43 | 6 |
| 7 import imagecache | |
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8 import tiles |
| 204 | 9 import constants |
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10 import serializer |
| 204 | 11 |
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12 # ignore os.popen3 warning generated by pygame.font.SysFont |
| 204 | 13 import warnings |
| 14 warnings.filterwarnings("ignore", "os.popen3 is deprecated.") | |
| 43 | 15 |
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16 class Place(serializer.Simplifiable): |
| 125 | 17 """Space within a building that can be occupied.""" |
| 18 | |
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19 SIMPLIFY = [ |
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20 'occupant', |
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21 'building', |
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22 'offset', |
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23 ] |
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24 |
| 125 | 25 def __init__(self, building, offset): |
| 26 self.occupant = None | |
| 27 self.building = building | |
| 28 self.offset = offset | |
| 29 | |
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30 def set_occupant(self, occupant, _update=True, _predator=False): |
| 204 | 31 self.clear_occupant(_update=False) |
| 125 | 32 self.occupant = occupant |
| 33 self.occupant.abode = self | |
| 204 | 34 if _update: |
| 35 self.building.update_occupant_count() | |
| 125 | 36 |
| 204 | 37 def clear_occupant(self, _update=True): |
| 125 | 38 if self.occupant is not None: |
| 39 self.occupant.abode = None | |
| 40 self.occupant = None | |
| 204 | 41 if _update: |
| 42 self.building.update_occupant_count() | |
| 125 | 43 |
| 44 def get_pos(self): | |
| 45 bpos = self.building.pos | |
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46 return (bpos[0] + self.offset[0], bpos[1] + self.offset[1], |
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47 self.offset[2]) |
| 125 | 48 |
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49 class Floor(serializer.Simplifiable): |
| 125 | 50 """A set of places within a building. Places on a |
| 51 floor are organised into rows and columns. | |
| 52 """ | |
| 53 | |
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54 SIMPLIFY = [ |
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55 'title', |
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56 'places', |
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57 ] |
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58 |
| 125 | 59 def __init__(self, title, places): |
| 60 self.title = title # str | |
| 61 self.places = places # list of lists of places | |
| 62 | |
| 63 def rows(self): | |
| 64 for row in self.places: | |
| 65 yield row | |
| 66 | |
| 67 def width(self): | |
| 68 return max(len(row) for row in self.places) | |
| 69 | |
| 70 class BuildingFullError(Exception): | |
| 71 pass | |
| 72 | |
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73 class Building(Sprite, serializer.Simplifiable): |
| 43 | 74 """Base class for buildings""" |
| 75 | |
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76 IS_BUILDING = True |
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77 GRASSLAND = tiles.REVERSE_TILE_MAP['grassland'] |
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78 MODIFY_KNIFE_RANGE = lambda s, x: 0 |
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79 MODIFY_GUN_RANGE = lambda s, x: -1 |
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80 BREAKABLE = False |
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81 ABODE = False |
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82 FLOORS = None |
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83 HENHOUSE = False |
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84 BLOCKS_VISION = True |
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85 |
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86 SIMPLIFY = [ |
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87 'pos', |
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88 'size', |
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89 'tile_no', |
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90 '_buy_price', |
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91 '_sell_price', |
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92 '_repair_price', |
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93 '_sun_on', |
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94 '_broken', |
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95 '_floors', |
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96 'gameboard', |
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97 ] |
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98 |
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99 def __init__(self, pos, gameboard): |
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100 """Initial image, tile vid position, size and tile number for building.""" |
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101 self._set_images() |
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102 self.pos = pos |
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103 self.gameboard = gameboard |
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104 self.size = self.SIZE |
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105 self.tile_no = self.TILE_NO |
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106 self._buy_price = self.BUY_PRICE |
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107 self._sell_price = self.SELL_PRICE |
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108 self._repair_price = getattr(self, 'REPAIR_PRICE', None) |
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109 self._sun_on = True |
| 204 | 110 self._font = pygame.font.SysFont('Vera', 30, bold=True) |
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111 self._font_image = pygame.Surface(self.images['fixed']['day'].get_size(), flags=SRCALPHA) |
| 204 | 112 self._font_image.fill((0, 0, 0, 0)) |
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113 self._broken = False |
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114 self._predators = [] |
| 125 | 115 |
| 116 self._floors = [] | |
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117 if self.FLOORS: |
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118 for f, z in enumerate(self.FLOORS): |
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119 places = [] |
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120 for j in range(self.size[1]): |
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121 row = [] |
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122 for i in range(self.size[0]): |
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123 row.append(Place(self, (i, j, z))) |
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124 places.append(row) |
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125 floor = Floor("Floor %s" % (f+1,), places) |
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126 self._floors.append(floor) |
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127 |
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128 # 0: the main image |
| 204 | 129 # 1: above, -1: below |
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130 self.draw_stack = {"main": (0, self.images['fixed']['day'])} |
| 204 | 131 |
| 43 | 132 # Create the building somewhere far off screen |
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133 Sprite.__init__(self, self.images['fixed']['day'], (-1000, -1000)) |
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134 |
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135 @classmethod |
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136 def make(cls): |
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137 """Override default Simplifiable object creation.""" |
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138 return cls((0, 0), None) |
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139 |
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140 @classmethod |
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141 def unsimplify(cls, *args, **kwargs): |
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142 """Override default Simplifiable unsimplification.""" |
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143 obj = super(Building, cls).unsimplify(*args, **kwargs) |
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144 obj._set_main_image() |
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145 obj.update_occupant_count() |
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146 return obj |
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147 |
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148 def _set_images(self): |
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149 self.images = {'fixed': { |
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150 'day': imagecache.load_image(self.IMAGE), |
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151 'night': imagecache.load_image(self.IMAGE, ('night',)), |
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152 'selected': imagecache.load_image(self.SELECTED_IMAGE), |
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153 }} |
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154 if self.BREAKABLE: |
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155 self.images['broken'] = { |
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156 'day': imagecache.load_image(self.IMAGE_BROKEN), |
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157 'night': imagecache.load_image(self.IMAGE_BROKEN, ('night',)), |
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158 'selected': imagecache.load_image(self.SELECTED_IMAGE_BROKEN), |
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159 } |
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160 |
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161 def _set_main_image(self): |
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162 image_set = self.images[{True: 'broken',False: 'fixed'}[self._broken]] |
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163 self._replace_main(image_set[{True: 'day', False: 'night'}[self._sun_on]]) |
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164 |
| 204 | 165 def _redraw(self): |
| 166 items = self.draw_stack.values() | |
| 167 items.sort(key=lambda x: x[0]) | |
| 168 image = items.pop(0)[1].copy() | |
| 169 for _lvl, overlay in items: | |
| 170 image.blit(overlay, (0, 0)) | |
| 171 self.setimage(image) | |
| 172 | |
| 173 def _replace_main(self, new_main): | |
| 174 self.draw_stack["main"] = (0, new_main) | |
| 175 self._redraw() | |
| 176 | |
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177 def tile_positions(self): |
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178 """Return pairs of (x, y) tile positions for each of the tile positions |
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179 occupied by the building. |
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180 """ |
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181 xpos, ypos = self.pos |
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182 xsize, ysize = self.size |
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183 |
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184 for dx in xrange(xsize): |
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185 for dy in xrange(ysize): |
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186 yield (xpos + dx, ypos + dy) |
| 43 | 187 |
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188 def adjacent_tiles(self): |
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189 """Return pairs of (x, y) tile positions for each of the tiles |
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190 adjacent to the building. |
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191 """ |
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192 xpos, ypos = self.pos |
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193 xsize, ysize = self.size |
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194 |
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195 for dx in xrange(xsize): # top and bottom |
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196 yield (xpos + dx, ypos - 1) |
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197 yield (xpos + dx, ypos + ysize) |
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198 |
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199 for dy in xrange(ysize): # left and right |
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200 yield (xpos - 1, ypos + dy) |
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201 yield (xpos + xsize, ypos + dy) |
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202 |
| 43 | 203 def loop(self, tv, _sprite): |
| 204 ppos = tv.tile_to_view(self.pos) | |
| 205 self.rect.x = ppos[0] | |
| 206 self.rect.y = ppos[1] | |
| 207 | |
| 208 def move(self, state): | |
| 209 """Given the game state, return a new position for the object""" | |
| 210 # Default is not to move | |
| 211 return self.pos | |
| 212 | |
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213 def place(self): |
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214 """Check that the building can be placed at its current position |
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215 and place it if possible. |
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216 """ |
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217 # check that all spaces under the structure are grassland |
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218 for tile_pos in self.tile_positions(): |
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219 if not self.gameboard.tv.get(tile_pos) == self.GRASSLAND: |
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220 return False |
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221 |
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222 # place tile |
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223 for tile_pos in self.tile_positions(): |
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224 self.gameboard.tv.set(tile_pos, self.tile_no) |
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225 |
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226 return True |
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227 |
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228 def covers(self, tile_pos): |
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229 """Return True if build covers tile_pos, False otherwise.""" |
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230 xpos, ypos = self.pos |
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231 xsize, ysize = self.size |
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232 return (xpos <= tile_pos[0] < xpos + xsize) and \ |
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233 (ypos <= tile_pos[1] < ypos + ysize) |
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234 |
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235 def broken(self): |
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236 return self._broken |
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237 |
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238 def damage(self): |
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239 if not self.BREAKABLE: |
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240 return False |
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241 self._broken = True |
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242 self._sell_price = self.SELL_PRICE_BROKEN |
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243 self.tile_no = self.TILE_NO_BROKEN |
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244 for tile_pos in self.tile_positions(): |
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245 self.gameboard.tv.set(tile_pos, self.tile_no) |
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246 self._set_main_image() |
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247 |
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248 def repair(self): |
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249 self._broken = False |
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250 self._sell_price = self.SELL_PRICE |
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251 self.tile_no = self.TILE_NO |
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252 for tile_pos in self.tile_positions(): |
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253 self.gameboard.tv.set(tile_pos, self.tile_no) |
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254 self._set_main_image() |
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255 |
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256 def remove(self): |
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257 """Remove the building from its current position.""" |
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258 # remove tile |
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259 for tile_pos in self.tile_positions(): |
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260 self.gameboard.tv.set(tile_pos, self.GRASSLAND) |
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261 |
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262 def buy_price(self): |
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263 return self._buy_price |
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264 |
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265 def sell_price(self): |
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266 return self._sell_price |
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267 |
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268 def repair_price(self): |
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269 return self._repair_price |
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270 |
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271 def selected(self, selected): |
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272 if selected: |
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273 self._replace_main(self.images[{True: 'broken',False: 'fixed'}[self._broken]]['selected']) |
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274 else: |
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275 self._set_main_image() |
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276 |
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277 def sun(self, sun_on): |
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278 self._sun_on = sun_on |
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279 self._set_main_image() |
| 204 | 280 |
| 281 def update_occupant_count(self): | |
| 282 count = len(list(self.occupants())) | |
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283 if count == 0 and not self._predators: |
| 204 | 284 if "count" in self.draw_stack: |
| 285 del self.draw_stack["count"] | |
| 286 else: | |
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287 # Render chicken count |
| 204 | 288 image = self._font_image.copy() |
| 289 w, h = image.get_size() | |
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290 if count: |
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291 text = self._font.render(str(count), True, |
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292 constants.FG_COLOR) |
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293 # Blit to the right |
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294 x, y = text.get_size() |
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295 image.blit(text, (w - x, h - y)) |
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296 sel_count = len([chick for chick in self.occupants() |
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297 if chick in self.gameboard.selected_chickens]) |
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298 if sel_count: |
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299 text = self._font.render(str(sel_count), True, |
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300 constants.SELECTED_COUNT_COLOR) |
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301 x, y = text.get_size() |
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302 image.blit(text, (0, h - y)) |
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303 # Render predator count |
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304 if self._predators: |
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305 text = self._font.render(str(len(self._predators)), True, |
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306 constants.PREDATOR_COUNT_COLOR) |
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307 # Blit to the left |
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308 x, y = text.get_size() |
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309 image.blit(text, (0, h - y)) |
| 204 | 310 self.draw_stack["count"] = (1, image) |
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311 |
| 204 | 312 self._redraw() |
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313 |
| 125 | 314 def floors(self): |
| 315 return self._floors | |
| 316 | |
| 317 def places(self): | |
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318 for floor in reversed(self._floors): |
| 125 | 319 for row in floor.rows(): |
| 320 for place in row: | |
| 321 yield place | |
| 322 | |
| 323 def max_floor_width(self): | |
| 324 return max(floor.width() for floor in self._floors) | |
| 325 | |
| 326 def first_empty_place(self): | |
| 327 for place in self.places(): | |
| 328 if place.occupant is None: | |
| 329 return place | |
| 330 raise BuildingFullError() | |
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331 |
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332 def add_occupant(self, occupant): |
| 125 | 333 place = self.first_empty_place() |
| 334 place.set_occupant(occupant) | |
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335 |
| 125 | 336 def occupants(self): |
| 337 for place in self.places(): | |
| 338 if place.occupant is not None: | |
| 339 yield place.occupant | |
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340 |
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341 def add_predator(self, animal): |
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342 animal.building = self |
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343 self._predators.append(animal) |
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344 self.update_occupant_count() |
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345 |
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346 def remove_predator(self, animal): |
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347 if animal in self._predators: |
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348 self._predators.remove(animal) |
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349 animal.building = None |
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350 self.update_occupant_count() |
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351 |
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352 class Abode(Building): |
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353 ABODE = True |
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354 |
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355 class HenHouse(Abode): |
| 43 | 356 """A HenHouse.""" |
| 357 | |
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358 TILE_NO = tiles.REVERSE_TILE_MAP['henhouse'] |
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359 BUY_PRICE = 20 |
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360 SELL_PRICE = 18 |
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361 SIZE = (3, 2) |
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362 IMAGE = 'sprites/henhouse.png' |
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363 SELECTED_IMAGE = 'sprites/select_henhouse.png' |
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364 NAME = 'Henhouse' |
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365 FLOORS = [0] |
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366 |
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414
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367 HENHOUSE = True |
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368 |
| 125 | 369 class DoubleStoryHenHouse(HenHouse): |
| 370 """A double story hen house.""" | |
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371 |
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372 TILE_NO = tiles.REVERSE_TILE_MAP['hendominium'] |
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373 BUY_PRICE = 60 |
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374 SELL_PRICE = 30 |
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375 SIZE = (2, 3) |
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376 IMAGE = 'sprites/hendominium.png' |
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377 SELECTED_IMAGE = 'sprites/select_hendominium.png' |
| 125 | 378 NAME = 'Hendominium' |
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379 FLOORS = [0, 1] |
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380 |
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381 class GuardTower(Abode): |
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382 """A GuardTower.""" |
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383 |
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384 TILE_NO = tiles.REVERSE_TILE_MAP['guardtower'] |
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385 BUY_PRICE = 40 |
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386 SELL_PRICE = 30 |
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387 SIZE = (2, 2) |
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388 IMAGE = 'sprites/watchtower.png' |
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389 SELECTED_IMAGE = 'sprites/select_watchtower.png' |
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390 NAME = 'Watchtower' |
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391 FLOORS = [2] |
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392 |
|
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393 MODIFY_GUN_RANGE = lambda s, x: (3*x)/2 |
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394 MODIFY_GUN_BASE_HIT = lambda s, x: x-5 |
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395 MODIFY_GUN_RANGE_PENALTY = lambda s, x: x-1 |
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199
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396 MODIFY_VISION_BONUS = lambda s, x: x+10 |
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397 MODIFY_VISION_RANGE_PENALTY = lambda s, x: x-2 |
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398 BLOCKS_VISION = False |
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399 |
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400 class Fence(Building): |
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401 """A fence.""" |
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402 |
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403 TILE_NO = tiles.REVERSE_TILE_MAP['fence'] |
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404 TILE_NO_BROKEN = tiles.REVERSE_TILE_MAP['broken fence'] |
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405 BREAKABLE = True |
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406 BUY_PRICE = 10 |
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407 SELL_PRICE = 5 |
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408 REPAIR_PRICE = 5 |
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409 SELL_PRICE_BROKEN = 1 |
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410 SIZE = (1, 1) |
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411 IMAGE = 'tiles/fence.png' |
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412 SELECTED_IMAGE = 'tiles/fence.png' |
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413 IMAGE_BROKEN = 'tiles/broken_fence.png' |
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414 SELECTED_IMAGE_BROKEN = 'tiles/broken_fence.png' |
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415 NAME = 'Fence' |
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416 |
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417 BLOCKS_VISION = False |
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418 |
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419 |
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420 def is_building(obj): |
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421 """Return true if obj is a build class.""" |
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422 return getattr(obj, "IS_BUILDING", False) and hasattr(obj, "NAME") |
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423 |
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424 BUILDINGS = [] |
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425 for name in dir(): |
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426 obj = eval(name) |
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427 try: |
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428 if is_building(obj): |
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429 BUILDINGS.append(obj) |
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430 except TypeError: |
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431 pass |