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annotate mamba/level.py @ 132:0abd6e3680b6

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Remove debugging print.
author Simon Cross <hodgestar@gmail.com>
date Sun, 11 Sep 2011 22:32:30 +0200
parents 9bef49d6db86
children 00ada2e29798
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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.data import load_file
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9 from mamba.sprites import (tile_sizify, TileSprite, BaseSprite, DoorSprite,
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10 EntrySprite, ExitSprite, PuddleSprite)
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11 from mamba.snake import Snake
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12
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13
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14 class InvalidMapError(Exception):
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15 pass
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16
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17
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18 def mktile(cls, **kw):
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19 return (cls, kw)
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20
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21
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22 TILE_MAP = {
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23 '.': None,
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24 'X': mktile(TileSprite, image_name='wall'),
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25 'R': mktile(DoorSprite, colour='red'),
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26 'B': mktile(DoorSprite, colour='blue'),
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27 '^': mktile(EntrySprite, direction=Snake.UP),
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28 'v': mktile(EntrySprite, direction=Snake.DOWN),
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29 '<': mktile(EntrySprite, direction=Snake.LEFT),
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30 '>': mktile(EntrySprite, direction=Snake.RIGHT),
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31 'E': mktile(ExitSprite),
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32 '~': mktile(PuddleSprite),
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33 'l': mktile(PuddleSprite, variant=(1, 1, 0, 0)),
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34 'r': mktile(PuddleSprite, variant=(1, 0, 1, 0)),
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35 }
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36
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37 THING_MAP = {
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38 'a': mktile(BaseSprite, image_name='snake/snake-head-r'),
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39 }
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40
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41
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42 class Tileset(object):
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43 def __init__(self, tileset_name):
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44 self.name = tileset_name
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45 self.load_tiles()
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46
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47 def load_tiles(self):
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48 self.tiles = {}
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49 self.floor = TileSprite(tileset=self.name, image_name='floor').image
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50 for name, value in TILE_MAP.items():
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51 if value is not None:
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52 value[1]['tileset'] = self.name
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53 self.tiles[name] = value
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54 self.tiles.update(THING_MAP)
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55
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56 def __getitem__(self, key):
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57 try:
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58 tilespec = self.tiles[key]
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59 except KeyError:
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60 raise InvalidMapError("Unknown tile type: '%s'" % key)
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61 if not tilespec:
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62 return None
105
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63 cls, params = tilespec
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64 params['tile_char'] = key
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65 return cls(**params)
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66
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67 def get_tile(self, key, tile_pos, *groups):
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68 tile = self[key]
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69 if tile:
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70 tile.add(*groups)
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71 tile.set_tile_pos(tile_pos)
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72 return tile
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74
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75 class Level(object):
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76 def __init__(self, level_name):
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77 self.level_name = level_name
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78 self.tiles_ascii = ''
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79 self.load_level_data()
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80
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81 def load_level_data(self):
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82 """
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83 This file format is potentially yucky.
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84 """
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85 level_data = load_file('levels/%s.txt' % (self.level_name,))
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86 tileset_name = level_data.readline().strip()
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87 self.tileset = Tileset(tileset_name)
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88 tiles_ascii = [line.strip() for line in level_data.readlines()]
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89 self.tiles_ascii = tiles_ascii
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90 self.setup_tiles(tiles_ascii)
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91 self.make_background()
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92
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93 def setup_tiles(self, tiles_ascii):
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94 self.sprites = RenderUpdates()
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95 self.tiles = []
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96 self.entry = None
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97 self.tile_size = (len(tiles_ascii[0]), len(tiles_ascii))
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98 for y, row in enumerate(tiles_ascii):
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99 if len(row) != self.tile_size[0]:
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100 raise InvalidMapError("Map not rectangular.")
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101 tile_row = []
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102 for x, tile_char in enumerate(row):
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103 tile_orientation = self.get_tile_orientation(y, x, row, tile_char)
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104 tile = self.tileset.get_tile(tile_char, (x, y), self.sprites)
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105 tile_row.append(tile)
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106 if isinstance(tile, EntrySprite):
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107 if self.entry is not None:
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108 raise InvalidMapError("Too many entry points.")
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109 self.entry = tile
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110 self.tiles.append(tile_row)
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111 if self.entry is None:
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112 raise InvalidMapError("Not enough entry points.")
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113
123
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114
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115 def is_same_tile(self, tile, x, y):
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116 """Is there a tile of the same type?"""
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117 try:
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118 temp_tile = self.tiles_ascii[y][x]
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119 except IndexError:
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120 return {}#'The map went out of range'
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121 try:
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122 return temp_tile == tile
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123 except KeyError:
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124 return {}#'The map tile is not existing'
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125
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126 return self.get_bool(x, y, 'wall')
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127
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128 #please note: planning on tile tuple to be -1, 0, 1 of x then y
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129 def get_tile_orientation(self, map_y, map_x, row, tile_char):
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130 #print "y: ", map_y, " x: ", map_x, " row: ", row, " tile_char: ", tile_char
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131 #tile_char
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132 if self.is_same_tile(tile_char, map_x, map_y):
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133 # Draw different tiles depending on neighbourhood
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134 if not self.is_same_tile(tile_char, map_x, map_y+1):
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135 if self.is_same_tile(tile_char, map_x+1, map_y) and self.is_same_tile(tile_char, map_x-1, map_y): #
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136 tile = 1, 2
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137 elif self.is_same_tile(tile_char, map_x+1, map_y):
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138 tile = 0, 2
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139 elif self.is_same_tile(tile_char, map_x-1, map_y):
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140 tile = 2, 2
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141 else:
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142 tile = 3, 2
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143 else:
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144 if self.is_same_tile(tile_char, map_x+1, map_y+1) and self.is_same_tile(tile_char, map_x-1, map_y+1):
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145 tile = 1, 1
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146 elif self.is_same_tile(tile_char, map_x+1, map_y+1):
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147 tile = 0, 1
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148 elif self.is_same_tile(tile_char, map_x-1, map_y+1):
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149 tile = 2, 1
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150 else:
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151 tile = 3, 1
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152 return tile
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153
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58557a89ec86 Some tile improvements and stuff.
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154 def get_tile_size(self):
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cced0ddda33f More level validation.
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155 return self.tile_size
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f76c3f033772 Release early, release broken. Level stuff.
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156
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157 def get_size(self):
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158 x, y = self.get_tile_size()
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159 return tile_sizify((x, y))
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160
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161 def make_background(self):
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162 sx, sy = self.get_tile_size()
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163 self.background = Surface(self.get_size())
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164 [self.background.blit(self.tileset.floor, tile_sizify((x, y)))
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165 for x in range(sx) for y in range(sy)]
81
c8d6ca296884 Better level entry points.
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166
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167 def get_entry(self):
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168 return (self.entry.tile_pos, self.entry.direction)
110
e6299eb296ce Draw the world!
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169
e6299eb296ce Draw the world!
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170 def draw(self, surface):
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62a705f4e876 Blit the background onto the screen, not the screen onto the background.
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diff changeset
171 surface.blit(self.background, (0, 0))
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e6299eb296ce Draw the world!
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diff changeset
172 self.sprites.draw(surface)