Mercurial > mamba

annotate mamba/level.py @ 285:cacc03748580

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Move world initialisation to restart
author Stefano Rivera <stefano@rivera.za.net>
date Thu, 15 Sep 2011 23:02:47 +0200
parents b970f717479b
children e89702425a73
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rev   line source
8
66ae99f6903e First stab at tile/level stuff.
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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 import pygame
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6 from pygame.surface import Surface
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7 from pygame.sprite import RenderUpdates
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8
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9 from mamba.constants import UP, DOWN, LEFT, RIGHT
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10 from mamba.data import load_file
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11 from mamba import sprites
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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
37
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22 TILE_MAP = {
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23 '.': None,
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fc6844f7a1e8 Set wall name
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24 'X': mktile(sprites.TileSprite, image_name='wall', name='wall',
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25 solid=True),
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26 'A': mktile(sprites.TileSprite, image_name='biohazard', name='biohazard',
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27 solid=True),
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28 'R': mktile(sprites.DoorSprite, colour='red'),
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29 'B': mktile(sprites.DoorSprite, colour='blue'),
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30 'Y': mktile(sprites.DoorSprite, colour='yellow'),
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31 'e': mktile(sprites.EntrySprite),
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32 'E': mktile(sprites.ExitSprite),
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33 '~': mktile(sprites.PuddleSprite),
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2a969e3445ae fire bad
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34 '$': mktile(sprites.FireSprite),
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f00f6006cb5d named paint tiles
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35 'r': mktile(sprites.Painter, colour='red', name='paint'),
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36 'b': mktile(sprites.Painter, colour='blue', name='paint'),
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37 'y': mktile(sprites.Painter, colour='yellow', name='paint'),
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38 '^': mktile(sprites.ArrowSprite, direction=UP),
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39 'v': mktile(sprites.ArrowSprite, direction=DOWN),
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40 '<': mktile(sprites.ArrowSprite, direction=LEFT),
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41 '>': mktile(sprites.ArrowSprite, direction=RIGHT),
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42 '@': mktile(sprites.FlipArrows),
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43 }
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44
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45 THING_MAP = {
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46 'M': mktile(sprites.BigMouse),
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47 'm': mktile(sprites.SmallMouse),
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48 'f': mktile(sprites.Frog),
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f52fae80cd18 You stole my snail symbol!
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49 '&': mktile(sprites.Snail),
249
cb68024bdd35 Moar animals
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50 'l': mktile(sprites.Lizard),
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51 's': mktile(sprites.Salamander),
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52 }
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53
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54
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55 class Tileset(object):
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56 def __init__(self, tileset_name):
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57 self.name = tileset_name
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58 self.load_tiles()
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59
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60 def load_tiles(self):
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61 self.tiles = {}
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62 self.floor = sprites.TileSprite('.', tileset=self.name,
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63 image_name='floor').image
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64 for name, value in TILE_MAP.items():
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65 if value is not None:
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66 value[1]['tileset'] = self.name
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67 self.tiles[name] = value
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68 self.tiles.update(THING_MAP)
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69
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70 def __getitem__(self, key):
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71 try:
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72 tilespec = self.tiles[key]
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73 except KeyError:
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74 raise InvalidMapError("Unknown tile type: '%s'" % key)
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75 if not tilespec:
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76 return None
105
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77 cls, params = tilespec
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78 params['tile_char'] = key
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79 return cls(**params)
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80
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81 def get_tile(self, key, tile_pos, *groups):
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82 tile = self[key]
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83 if tile:
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84 tile.add(*groups)
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85 tile.set_tile_pos(tile_pos)
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86 return tile
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88
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89 class Level(object):
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90 def __init__(self, level_name):
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91 self.level_name = level_name
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92 self.load_level_data()
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93
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94 def load_level_data(self):
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95 """
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96 This file format is potentially yucky.
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97 """
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98 level_data = load_file('levels/%s.txt' % (self.level_name,))
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99 self.name = level_data.readline().strip()
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100 tileset_name = level_data.readline().strip()
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101 self.tileset = Tileset(tileset_name)
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102 tiles_ascii = [line.strip() for line in level_data.readlines()]
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103 try:
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104 end = tiles_ascii.index("end")
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105 except ValueError:
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106 raise InvalidMapError('Missing "end" marker in level')
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107 sprites_ascii = tiles_ascii[end + 1:]
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108 tiles_ascii = tiles_ascii[:end]
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109 self.tiles_ascii = tiles_ascii
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110 self.sprites_ascii = sprites_ascii
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111 self.setup_level(tiles_ascii, sprites_ascii)
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112 self.make_background()
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113
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114 def save_level(self):
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115 """Save the current state of the level"""
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116 save_file = load_file('levels/%s.txt' % (self.level_name,), 'wb')
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117 save_file.write('%s\n' % self.name)
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118 save_file.write('%s\n' % self.tileset.name)
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119 self.update_tiles_ascii()
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120 for tile_row in self.tiles_ascii:
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121 save_file.write('%s\n' % tile_row)
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122 save_file.write('end\n')
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123 for sprite_ascii in self.sprites_ascii:
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124 save_file.write('%s\n' % sprite_ascii)
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125
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126 def update_tiles_ascii(self):
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127 """Resync tiles and tile_ascii"""
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128 for i, tile_row in enumerate(self.tiles):
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129 new_row = []
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130 for tile in tile_row:
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131 if tile:
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132 new_row.append(tile.tile_char)
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133 else:
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134 new_row.append('.')
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135 self.tiles_ascii[i] = ''.join(new_row)
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136
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137 def setup_level(self, tiles_ascii, sprites_ascii):
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138 self.sprites = RenderUpdates()
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139 self.setup_tiles(tiles_ascii)
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140 self.setup_sprites(sprites_ascii)
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141
81
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diff changeset
142 def setup_tiles(self, tiles_ascii):
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diff changeset
143 self.tiles = []
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diff changeset
144 self.entry = None
84
cced0ddda33f More level validation.
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diff changeset
145 self.tile_size = (len(tiles_ascii[0]), len(tiles_ascii))
81
c8d6ca296884 Better level entry points.
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parents: 71
diff changeset
146 for y, row in enumerate(tiles_ascii):
84
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parents: 83
diff changeset
147 if len(row) != self.tile_size[0]:
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diff changeset
148 raise InvalidMapError("Map not rectangular.")
81
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parents: 71
diff changeset
149 tile_row = []
84
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parents: 83
diff changeset
150 for x, tile_char in enumerate(row):
141
2c643ec8dc4e pep8 & pyflakes cleanup
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parents: 136
diff changeset
151 #tile_orientation = self.get_tile_orientation(y, x, row,
2c643ec8dc4e pep8 & pyflakes cleanup
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parents: 136
diff changeset
152 # tile_char)
81
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diff changeset
153 tile = self.tileset.get_tile(tile_char, (x, y), self.sprites)
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diff changeset
154 tile_row.append(tile)
162
7fbbe27120a9 Rodents! Amphibians! Import juggling!
Jeremy Thurgood <firxen@gmail.com>
parents: 146
diff changeset
155 if isinstance(tile, sprites.EntrySprite):
199
986e72d2cb4d Rejiggered entrances and shifted directions around.
Jeremy Thurgood <firxen@gmail.com>
parents: 197
diff changeset
156 self.rejigger_entry_tile(tile)
81
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diff changeset
157 self.tiles.append(tile_row)
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diff changeset
158 if self.entry is None:
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diff changeset
159 raise InvalidMapError("Not enough entry points.")
144
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parents: 143
diff changeset
160 self.set_tile_orientations()
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parents: 143
diff changeset
161
199
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diff changeset
162 def rejigger_entry_tile(self, tile):
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parents: 197
diff changeset
163 if self.entry is not None:
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parents: 197
diff changeset
164 raise InvalidMapError("Too many entry points.")
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parents: 197
diff changeset
165 self.entry = tile
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parents: 197
diff changeset
166 direction = []
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parents: 197
diff changeset
167 x, y = tile.tile_pos
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parents: 197
diff changeset
168 if x == 0:
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parents: 197
diff changeset
169 direction.append(RIGHT)
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parents: 197
diff changeset
170 elif x == self.tile_size[0] - 1:
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Jeremy Thurgood <firxen@gmail.com>
parents: 197
diff changeset
171 direction.append(LEFT)
986e72d2cb4d Rejiggered entrances and shifted directions around.
Jeremy Thurgood <firxen@gmail.com>
parents: 197
diff changeset
172 if y == 0:
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Jeremy Thurgood <firxen@gmail.com>
parents: 197
diff changeset
173 direction.append(DOWN)
986e72d2cb4d Rejiggered entrances and shifted directions around.
Jeremy Thurgood <firxen@gmail.com>
parents: 197
diff changeset
174 elif y == self.tile_size[1] - 1:
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Jeremy Thurgood <firxen@gmail.com>
parents: 197
diff changeset
175 direction.append(UP)
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Jeremy Thurgood <firxen@gmail.com>
parents: 197
diff changeset
176 if len(direction) < 1:
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Jeremy Thurgood <firxen@gmail.com>
parents: 197
diff changeset
177 raise InvalidMapError("Entry point must be along an edge.")
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parents: 197
diff changeset
178 if len(direction) > 1:
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Jeremy Thurgood <firxen@gmail.com>
parents: 197
diff changeset
179 raise InvalidMapError("Entry point must not be on a corner.")
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parents: 197
diff changeset
180 tile.set_direction(direction[0])
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parents: 197
diff changeset
181
144
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
182 def set_tile_orientations(self):
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parents: 143
diff changeset
183 tiles = [tile # This is a scary listcomp. It makes me happy.
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parents: 143
diff changeset
184 for row in self.tiles
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Jeremy Thurgood <firxen@gmail.com>
parents: 143
diff changeset
185 for tile in row
b292370c4548 Rearranged the orientation stuff. :-)
Jeremy Thurgood <firxen@gmail.com>
parents: 143
diff changeset
186 if tile is not None]
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
187 for tile in tiles:
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parents: 143
diff changeset
188 orientation = self.get_tile_orientation(tile)
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
189 tile.use_variant(*orientation)
81
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diff changeset
190
230
e4f983b68ef5 Start of advanced sprite definitions.
Simon Cross <hodgestar@gmail.com>
parents: 220
diff changeset
191 def setup_sprites(self, sprites_ascii):
243
f9cc701a6be0 Hook up tunnels.
Simon Cross <hodgestar@gmail.com>
parents: 238
diff changeset
192 self.extra_sprites = {}
256
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
193 sprite_positions = []
230
e4f983b68ef5 Start of advanced sprite definitions.
Simon Cross <hodgestar@gmail.com>
parents: 220
diff changeset
194 for sprite_ascii in sprites_ascii:
e4f983b68ef5 Start of advanced sprite definitions.
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parents: 220
diff changeset
195 pos, _sep, rest = sprite_ascii.partition(':')
256
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
196 try:
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
197 pos = [int(x.strip()) for x in pos.split(',')]
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
198 except ValueError:
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
199 raise InvalidMapError("Sprite position must be two integers."
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
200 "Got %s" % pos)
230
e4f983b68ef5 Start of advanced sprite definitions.
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parents: 220
diff changeset
201 class_name, rest = rest.split(None, 1)
e4f983b68ef5 Start of advanced sprite definitions.
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parents: 220
diff changeset
202 args = rest.split()
243
f9cc701a6be0 Hook up tunnels.
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parents: 238
diff changeset
203 sprite_id, args = args[0], args[1:]
256
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
204 try:
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
205 cls = sprites.find_sprite(class_name)
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parents: 253
diff changeset
206 except KeyError:
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
207 raise InvalidMapError("Unknown Sprite class: %s" % class_name)
230
e4f983b68ef5 Start of advanced sprite definitions.
Simon Cross <hodgestar@gmail.com>
parents: 220
diff changeset
208 sprite = cls(*args)
256
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
209 if pos in sprite_positions:
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
210 raise InvalidMapError('Multiple sprites at %s.' % pos)
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
211 sprite_positions.append(pos)
230
e4f983b68ef5 Start of advanced sprite definitions.
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parents: 220
diff changeset
212 sprite.set_tile_pos(pos)
256
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
Neil Muller <drnlmuller@gmail.com>
parents: 253
diff changeset
213 if sprite_id in self.extra_sprites:
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
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parents: 253
diff changeset
214 raise InvalidMapError('Duplicate sprite id: %s.' % sprite_id)
243
f9cc701a6be0 Hook up tunnels.
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parents: 238
diff changeset
215 self.extra_sprites[sprite_id] = sprite
230
e4f983b68ef5 Start of advanced sprite definitions.
Simon Cross <hodgestar@gmail.com>
parents: 220
diff changeset
216 self.sprites.add(sprite)
e4f983b68ef5 Start of advanced sprite definitions.
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parents: 220
diff changeset
217
123
915fd0ee28f5 Added test tile orientation
Gideon Visser <gideon@gideonvisser.com>
parents: 112
diff changeset
218 def is_same_tile(self, tile, x, y):
915fd0ee28f5 Added test tile orientation
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parents: 112
diff changeset
219 """Is there a tile of the same type?"""
144
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
220 if tile.tile_char is None:
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
221 # This isn't really a tile, so bail
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parents: 143
diff changeset
222 return False
123
915fd0ee28f5 Added test tile orientation
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parents: 112
diff changeset
223 try:
144
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
224 other_tile = self.tiles[y][x]
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
225 except IndexError:
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
226 # We're over the edge of the map
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
227 return False
b292370c4548 Rearranged the orientation stuff. :-)
Jeremy Thurgood <firxen@gmail.com>
parents: 143
diff changeset
228 if other_tile is None:
b292370c4548 Rearranged the orientation stuff. :-)
Jeremy Thurgood <firxen@gmail.com>
parents: 143
diff changeset
229 # Emptiness.
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
230 return False
b292370c4548 Rearranged the orientation stuff. :-)
Jeremy Thurgood <firxen@gmail.com>
parents: 143
diff changeset
231 return tile.tile_char == other_tile.tile_char
123
915fd0ee28f5 Added test tile orientation
Gideon Visser <gideon@gideonvisser.com>
parents: 112
diff changeset
232
144
b292370c4548 Rearranged the orientation stuff. :-)
Jeremy Thurgood <firxen@gmail.com>
parents: 143
diff changeset
233 def get_tile_orientation(self, tile):
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
234 if tile is None:
b292370c4548 Rearranged the orientation stuff. :-)
Jeremy Thurgood <firxen@gmail.com>
parents: 143
diff changeset
235 return (False, False, False, False)
b292370c4548 Rearranged the orientation stuff. :-)
Jeremy Thurgood <firxen@gmail.com>
parents: 143
diff changeset
236 map_x, map_y = tile.tile_pos
b292370c4548 Rearranged the orientation stuff. :-)
Jeremy Thurgood <firxen@gmail.com>
parents: 143
diff changeset
237 return (
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
238 self.is_same_tile(tile, map_x, map_y - 1), # above
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
239 self.is_same_tile(tile, map_x, map_y + 1), # below
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
240 self.is_same_tile(tile, map_x - 1, map_y), # left
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
241 self.is_same_tile(tile, map_x + 1, map_y), # right
b292370c4548 Rearranged the orientation stuff. :-)
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parents: 143
diff changeset
242 )
123
915fd0ee28f5 Added test tile orientation
Gideon Visser <gideon@gideonvisser.com>
parents: 112
diff changeset
243
71
58557a89ec86 Some tile improvements and stuff.
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parents: 57
diff changeset
244 def get_tile_size(self):
84
cced0ddda33f More level validation.
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parents: 83
diff changeset
245 return self.tile_size
21
f76c3f033772 Release early, release broken. Level stuff.
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parents: 8
diff changeset
246
f76c3f033772 Release early, release broken. Level stuff.
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parents: 8
diff changeset
247 def get_size(self):
71
58557a89ec86 Some tile improvements and stuff.
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parents: 57
diff changeset
248 x, y = self.get_tile_size()
162
7fbbe27120a9 Rodents! Amphibians! Import juggling!
Jeremy Thurgood <firxen@gmail.com>
parents: 146
diff changeset
249 return sprites.tile_sizify((x, y))
71
58557a89ec86 Some tile improvements and stuff.
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parents: 57
diff changeset
250
58557a89ec86 Some tile improvements and stuff.
Jeremy Thurgood <firxen@gmail.com>
parents: 57
diff changeset
251 def make_background(self):
259
8d9424909118 Fix test of whether pygame.display is initialized.
Simon Cross <hodgestar@gmail.com>
parents: 256
diff changeset
252 if not pygame.display.get_init():
256
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
Neil Muller <drnlmuller@gmail.com>
parents: 253
diff changeset
253 # Skip if we're not actuallt in pygame
9827ce469834 Add more validation exceptions to new map loading code. Handle trying to load when display hasn't been initiliased better
Neil Muller <drnlmuller@gmail.com>
parents: 253
diff changeset
254 return
71
58557a89ec86 Some tile improvements and stuff.
Jeremy Thurgood <firxen@gmail.com>
parents: 57
diff changeset
255 sx, sy = self.get_tile_size()
58557a89ec86 Some tile improvements and stuff.
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parents: 57
diff changeset
256 self.background = Surface(self.get_size())
162
7fbbe27120a9 Rodents! Amphibians! Import juggling!
Jeremy Thurgood <firxen@gmail.com>
parents: 146
diff changeset
257 [self.background.blit(self.tileset.floor, sprites.tile_sizify((x, y)))
71
58557a89ec86 Some tile improvements and stuff.
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parents: 57
diff changeset
258 for x in range(sx) for y in range(sy)]
81
c8d6ca296884 Better level entry points.
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parents: 71
diff changeset
259
c8d6ca296884 Better level entry points.
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parents: 71
diff changeset
260 def get_entry(self):
c8d6ca296884 Better level entry points.
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parents: 71
diff changeset
261 return (self.entry.tile_pos, self.entry.direction)
110
e6299eb296ce Draw the world!
Simon Cross <hodgestar@gmail.com>
parents: 105
diff changeset
262
e6299eb296ce Draw the world!
Simon Cross <hodgestar@gmail.com>
parents: 105
diff changeset
263 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
264 surface.blit(self.background, (0, 0))
110
e6299eb296ce Draw the world!
Simon Cross <hodgestar@gmail.com>
parents: 105
diff changeset
265 self.sprites.draw(surface)
173
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
266
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
267 def get_tile(self, tile_pos):
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
268 x, y = tile_pos
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
269 if 0 <= x < self.tile_size[0] and 0 <= y < self.tile_size[1]:
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
270 return self.tiles[y][x]
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
271 return None
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
272
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
273 def replace_tile(self, tile_pos, new_tile_char):
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
274 x, y = tile_pos
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
275 old_tile = self.tiles[y][x]
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
276 if old_tile is not None:
71911af9d42d Refactor drawing code. Correct tile variants when painting
Neil Muller <drnlmuller@gmail.com>
parents: 169
diff changeset
277 old_tile.remove(self.sprites)
71911af9d42d Refactor drawing code. Correct tile variants when painting
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parents: 169
diff changeset
278 new_tile = self.tileset.get_tile(new_tile_char, tile_pos, self.sprites)
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279 self.tiles[y][x] = new_tile
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280 # Fix orientations
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281 tiles = [self.get_tile((x + dx, y + dy)) for dx in (-1, 0, 1)
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282 for dy in (-1, 0, 1)]
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283 for tile in tiles:
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284 if tile:
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285 orientation = self.get_tile_orientation(tile)
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286 tile.use_variant(*orientation)
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287
248
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288 def flip_arrows(self):
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289 for row in self.tiles:
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290 for tile in row:
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291 if isinstance(tile, sprites.ArrowSprite):
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292 tile.rotate()
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293
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294 def restart(self):
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295 """Reset the level state"""
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296 self.setup_level(self.tiles_ascii, self.sprites_ascii)
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297 self.make_background()