Mercurial > mamba

annotate mamba/level.py @ 238:f00f6006cb5d

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named paint tiles
author Adrianna Pińska <adrianna.pinska@gmail.com>
date Wed, 14 Sep 2011 23:47:51 +0200
parents 530b2edea0e6
children f9cc701a6be0
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rev   line source
8
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1 """
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2 Level for our shiny game.
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3 """
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4
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5 from pygame.surface import Surface
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6 from pygame.sprite import RenderUpdates
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7
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8 from mamba.constants import UP, DOWN, LEFT, RIGHT
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9 from mamba.data import load_file
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10 from mamba import sprites
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11
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12
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13 class InvalidMapError(Exception):
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14 pass
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15
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16
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17 def mktile(cls, **kw):
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18 return (cls, kw)
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19
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20
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21 TILE_MAP = {
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22 '.': None,
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23 'X': mktile(sprites.TileSprite, image_name='wall', name='wall',
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24 solid=True),
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25 'A': mktile(sprites.TileSprite, image_name='biohazard', name='biohazard',
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26 solid=True),
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27 'R': mktile(sprites.DoorSprite, colour='red'),
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28 'B': mktile(sprites.DoorSprite, colour='blue'),
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29 'Y': mktile(sprites.DoorSprite, colour='yellow'),
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30 'e': mktile(sprites.EntrySprite),
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31 'E': mktile(sprites.ExitSprite),
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32 '~': mktile(sprites.PuddleSprite),
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f00f6006cb5d named paint tiles
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33 'r': mktile(sprites.Painter, colour='red', name='paint'),
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34 'b': mktile(sprites.Painter, colour='blue', name='paint'),
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35 'y': mktile(sprites.Painter, colour='yellow', name='paint'),
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36 '^': mktile(sprites.ArrowSprite, direction=UP),
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37 'v': mktile(sprites.ArrowSprite, direction=DOWN),
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38 '<': mktile(sprites.ArrowSprite, direction=LEFT),
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39 '>': mktile(sprites.ArrowSprite, direction=RIGHT),
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40 }
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41
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42 THING_MAP = {
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43 'M': mktile(sprites.BigMouse),
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44 'm': mktile(sprites.SmallMouse),
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45 'f': mktile(sprites.Frog),
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46 }
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47
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48
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49 class Tileset(object):
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50 def __init__(self, tileset_name):
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51 self.name = tileset_name
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52 self.load_tiles()
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53
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54 def load_tiles(self):
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55 self.tiles = {}
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56 self.floor = sprites.TileSprite('.', tileset=self.name,
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57 image_name='floor').image
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58 for name, value in TILE_MAP.items():
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59 if value is not None:
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60 value[1]['tileset'] = self.name
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61 self.tiles[name] = value
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62 self.tiles.update(THING_MAP)
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63
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64 def __getitem__(self, key):
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65 try:
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66 tilespec = self.tiles[key]
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67 except KeyError:
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68 raise InvalidMapError("Unknown tile type: '%s'" % key)
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69 if not tilespec:
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70 return None
105
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71 cls, params = tilespec
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72 params['tile_char'] = key
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73 return cls(**params)
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74
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75 def get_tile(self, key, tile_pos, *groups):
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76 tile = self[key]
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77 if tile:
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78 tile.add(*groups)
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79 tile.set_tile_pos(tile_pos)
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80 return tile
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82
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83 class Level(object):
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84 def __init__(self, level_name):
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85 self.level_name = level_name
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86 self.load_level_data()
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87
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88 def load_level_data(self):
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89 """
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90 This file format is potentially yucky.
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91 """
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92 level_data = load_file('levels/%s.txt' % (self.level_name,))
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93 self.name = level_data.readline().strip()
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94 tileset_name = level_data.readline().strip()
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95 self.tileset = Tileset(tileset_name)
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96 tiles_ascii = [line.strip() for line in level_data.readlines()]
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97 end = tiles_ascii.index("end")
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98 sprites_ascii = tiles_ascii[end + 1:]
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99 tiles_ascii = tiles_ascii[:end]
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100 self.tiles_ascii = tiles_ascii
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101 self.sprites_ascii = sprites_ascii
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102 self.setup_level(tiles_ascii, sprites_ascii)
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103 self.make_background()
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104
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105 def save_level(self):
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106 """Save the current state of the level"""
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107 save_file = load_file('levels/%s.txt' % (self.level_name,), 'wb')
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108 save_file.write('%s\n' % self.name)
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109 save_file.write('%s\n' % self.tileset.name)
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110 for tile_row in self.tiles:
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111 for tile in tile_row:
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112 if tile:
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113 save_file.write(tile.tile_char)
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114 else:
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115 save_file.write('.')
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116 save_file.write('\n')
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117 save_file.write('end\n')
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118 for sprite_ascii in self.sprites_ascii:
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119 save_file.write(sprite_ascii)
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120
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121 def setup_level(self, tiles_ascii, sprites_ascii):
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122 self.sprites = RenderUpdates()
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123 self.setup_tiles(tiles_ascii)
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124 self.setup_sprites(sprites_ascii)
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125
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126 def setup_tiles(self, tiles_ascii):
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127 self.tiles = []
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128 self.entry = None
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129 self.tile_size = (len(tiles_ascii[0]), len(tiles_ascii))
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130 for y, row in enumerate(tiles_ascii):
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131 if len(row) != self.tile_size[0]:
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132 raise InvalidMapError("Map not rectangular.")
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133 tile_row = []
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134 for x, tile_char in enumerate(row):
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135 #tile_orientation = self.get_tile_orientation(y, x, row,
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136 # tile_char)
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137 tile = self.tileset.get_tile(tile_char, (x, y), self.sprites)
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138 tile_row.append(tile)
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139 if isinstance(tile, sprites.EntrySprite):
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140 self.rejigger_entry_tile(tile)
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141 self.tiles.append(tile_row)
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142 if self.entry is None:
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diff changeset
143 raise InvalidMapError("Not enough entry points.")
144
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diff changeset
144 self.set_tile_orientations()
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diff changeset
145
199
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diff changeset
146 def rejigger_entry_tile(self, tile):
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diff changeset
147 if self.entry is not None:
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diff changeset
148 raise InvalidMapError("Too many entry points.")
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parents: 197
diff changeset
149 self.entry = tile
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parents: 197
diff changeset
150 direction = []
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151 x, y = tile.tile_pos
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diff changeset
152 if x == 0:
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153 direction.append(RIGHT)
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154 elif x == self.tile_size[0] - 1:
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diff changeset
155 direction.append(LEFT)
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diff changeset
156 if y == 0:
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157 direction.append(DOWN)
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diff changeset
158 elif y == self.tile_size[1] - 1:
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diff changeset
159 direction.append(UP)
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diff changeset
160 if len(direction) < 1:
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diff changeset
161 raise InvalidMapError("Entry point must be along an edge.")
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diff changeset
162 if len(direction) > 1:
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diff changeset
163 raise InvalidMapError("Entry point must not be on a corner.")
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diff changeset
164 tile.set_direction(direction[0])
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diff changeset
165
144
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166 def set_tile_orientations(self):
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167 tiles = [tile # This is a scary listcomp. It makes me happy.
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168 for row in self.tiles
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169 for tile in row
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diff changeset
170 if tile is not None]
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171 for tile in tiles:
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172 orientation = self.get_tile_orientation(tile)
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diff changeset
173 tile.use_variant(*orientation)
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174
230
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175 def setup_sprites(self, sprites_ascii):
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176 self.extra_sprites = []
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177 for sprite_ascii in sprites_ascii:
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178 pos, _sep, rest = sprite_ascii.partition(':')
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179 pos = [int(x.strip()) for x in pos.split(',')]
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180 class_name, rest = rest.split(None, 1)
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181 args = rest.split()
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182 cls = sprites.find_sprite(class_name)
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183 sprite = cls(*args)
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diff changeset
184 sprite.set_tile_pos(pos)
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185 self.extra_sprites.append(sprite)
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186 self.sprites.add(sprite)
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187
123
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188 def is_same_tile(self, tile, x, y):
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diff changeset
189 """Is there a tile of the same type?"""
144
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diff changeset
190 if tile.tile_char is None:
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diff changeset
191 # This isn't really a tile, so bail
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192 return False
123
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diff changeset
193 try:
144
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diff changeset
194 other_tile = self.tiles[y][x]
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diff changeset
195 except IndexError:
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diff changeset
196 # We're over the edge of the map
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197 return False
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diff changeset
198 if other_tile is None:
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diff changeset
199 # Emptiness.
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diff changeset
200 return False
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diff changeset
201 return tile.tile_char == other_tile.tile_char
123
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diff changeset
202
144
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diff changeset
203 def get_tile_orientation(self, tile):
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diff changeset
204 if tile is None:
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diff changeset
205 return (False, False, False, False)
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diff changeset
206 map_x, map_y = tile.tile_pos
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diff changeset
207 return (
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diff changeset
208 self.is_same_tile(tile, map_x, map_y - 1), # above
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diff changeset
209 self.is_same_tile(tile, map_x, map_y + 1), # below
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diff changeset
210 self.is_same_tile(tile, map_x - 1, map_y), # left
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parents: 143
diff changeset
211 self.is_same_tile(tile, map_x + 1, map_y), # right
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parents: 143
diff changeset
212 )
123
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diff changeset
213
71
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diff changeset
214 def get_tile_size(self):
84
cced0ddda33f More level validation.
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diff changeset
215 return self.tile_size
21
f76c3f033772 Release early, release broken. Level stuff.
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diff changeset
216
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diff changeset
217 def get_size(self):
71
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diff changeset
218 x, y = self.get_tile_size()
162
7fbbe27120a9 Rodents! Amphibians! Import juggling!
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diff changeset
219 return sprites.tile_sizify((x, y))
71
58557a89ec86 Some tile improvements and stuff.
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diff changeset
220
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diff changeset
221 def make_background(self):
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diff changeset
222 sx, sy = self.get_tile_size()
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diff changeset
223 self.background = Surface(self.get_size())
162
7fbbe27120a9 Rodents! Amphibians! Import juggling!
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parents: 146
diff changeset
224 [self.background.blit(self.tileset.floor, sprites.tile_sizify((x, y)))
71
58557a89ec86 Some tile improvements and stuff.
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diff changeset
225 for x in range(sx) for y in range(sy)]
81
c8d6ca296884 Better level entry points.
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parents: 71
diff changeset
226
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diff changeset
227 def get_entry(self):
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diff changeset
228 return (self.entry.tile_pos, self.entry.direction)
110
e6299eb296ce Draw the world!
Simon Cross <hodgestar@gmail.com>
parents: 105
diff changeset
229
e6299eb296ce Draw the world!
Simon Cross <hodgestar@gmail.com>
parents: 105
diff changeset
230 def draw(self, surface):
112
62a705f4e876 Blit the background onto the screen, not the screen onto the background.
Simon Cross <hodgestar@gmail.com>
parents: 110
diff changeset
231 surface.blit(self.background, (0, 0))
110
e6299eb296ce Draw the world!
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parents: 105
diff changeset
232 self.sprites.draw(surface)
173
71911af9d42d Refactor drawing code. Correct tile variants when painting
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parents: 169
diff changeset
233
71911af9d42d Refactor drawing code. Correct tile variants when painting
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parents: 169
diff changeset
234 def get_tile(self, tile_pos):
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parents: 169
diff changeset
235 x, y = tile_pos
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parents: 169
diff changeset
236 if 0 <= x < self.tile_size[0] and 0 <= y < self.tile_size[1]:
71911af9d42d Refactor drawing code. Correct tile variants when painting
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parents: 169
diff changeset
237 return self.tiles[y][x]
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parents: 169
diff changeset
238 return None
71911af9d42d Refactor drawing code. Correct tile variants when painting
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parents: 169
diff changeset
239
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
240 def replace_tile(self, tile_pos, new_tile_char):
71911af9d42d Refactor drawing code. Correct tile variants when painting
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parents: 169
diff changeset
241 x, y = tile_pos
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parents: 169
diff changeset
242 old_tile = self.tiles[y][x]
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Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
243 if old_tile is not None:
71911af9d42d Refactor drawing code. Correct tile variants when painting
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parents: 169
diff changeset
244 old_tile.remove(self.sprites)
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parents: 169
diff changeset
245 new_tile = self.tileset.get_tile(new_tile_char, tile_pos, self.sprites)
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parents: 169
diff changeset
246 self.tiles[y][x] = new_tile
71911af9d42d Refactor drawing code. Correct tile variants when painting
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parents: 169
diff changeset
247 # Fix orientations
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
248 tiles = [self.get_tile((x + dx, y + dy)) for dx in (-1, 0, 1)
71911af9d42d Refactor drawing code. Correct tile variants when painting
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parents: 169
diff changeset
249 for dy in (-1, 0, 1)]
71911af9d42d Refactor drawing code. Correct tile variants when painting
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parents: 169
diff changeset
250 for tile in tiles:
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
251 if tile:
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
252 orientation = self.get_tile_orientation(tile)
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
253 tile.use_variant(*orientation)
186
275f0be6946c Reincarnating Snakes
Neil Muller <drnlmuller@gmail.com>
parents: 182
diff changeset
254
275f0be6946c Reincarnating Snakes
Neil Muller <drnlmuller@gmail.com>
parents: 182
diff changeset
255 def restart(self):
275f0be6946c Reincarnating Snakes
Neil Muller <drnlmuller@gmail.com>
parents: 182
diff changeset
256 """Reset the level state"""
230
e4f983b68ef5 Start of advanced sprite definitions.
Simon Cross <hodgestar@gmail.com>
parents: 220
diff changeset
257 self.setup_level(self.tiles_ascii, self.sprites_ascii)
186
275f0be6946c Reincarnating Snakes
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parents: 182
diff changeset
258 self.make_background()