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1 """Extension to pgu's tilevid."""
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2
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3 from pgu import tilevid, vid
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4 import pygame
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30
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5 from pygame.locals import BLEND_RGBA_MULT
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6 import os
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7
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8 TILE_MAP = {
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9 0: "woodland",
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10 1: "grassland",
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11 2: "fence",
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12 3: "henhouse",
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13 4: "chicken",
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14 }
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15
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16 REVERSE_TILE_MAP = dict((v, k) for k, v in TILE_MAP.iteritems())
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17
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18 class FarmVid(tilevid.Tilevid):
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19 """Extension of pgu's TileVid class to handle the complications
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20 of raising chickens.
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21 """
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22 def __init__(self):
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23 tilevid.Tilevid.__init__(self)
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24
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25 def png_folder_load_tiles(self, path):
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26 """Load tiles from a folder of PNG files."""
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27 for dirpath, dirnames, filenames in os.walk(path):
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28 for filename in filenames:
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29 basename, ext = os.path.splitext(filename)
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30 if ext != ".png":
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31 continue
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32 if basename in REVERSE_TILE_MAP:
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33 n = REVERSE_TILE_MAP[basename]
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34 img = pygame.image.load(os.path.join(dirpath, filename)).convert_alpha()
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35 self.tiles[n] = FarmTile(img)
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36
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37 def sun(self, sun_on):
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38 """Make it night."""
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39 for tile in self.tiles:
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40 if hasattr(tile, "sun"):
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41 tile.sun(sun_on)
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42 for sprite in self.sprites:
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43 if hasattr(sprite, "sun"):
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44 sprite.sun(sun_on)
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45
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46 class FarmTile(vid.Tile):
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47
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48 NIGHT_COLOUR = (100.0, 100.0, 200.0, 255.0)
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49
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50 def __init__(self, image):
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51 self.day_image = image
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52 self.night_image = image.copy()
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53 self.night_image.fill(self.NIGHT_COLOUR, None, BLEND_RGBA_MULT)
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54 self.image = self.day_image
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55
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56 def sun(self, sun_on):
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57 if sun_on:
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58 self.image = self.day_image
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59 else:
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60 self.image = self.night_image
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