Mercurial > pygame-tutorial

annotate 002/006.py @ 12:9dc97f88e274 default tip

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Added CC0 license
author Radomir Dopieralski <sheep-devel@sheep.art.pl>
date Sun, 08 Jul 2012 19:56:38 +0200
parents 96fffc932ba7
children
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6
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1 #!/usr/bin/env python
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2 # -*- coding: utf-8 -*-
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3
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4 import pygame
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5 import pygame.locals as pg
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6 from pytmx import tmxloader
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7
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8
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9 def load_sheet(filename, width=32, height=None):
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10 if height is None:
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11 height = width
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12 image = pygame.image.load(filename)
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13 image = image.convert()
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14 image.set_colorkey((0xff, 0, 0xff))
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15 w, h = image.get_size()
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16 images = []
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17 for x in xrange(w // width):
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18 for y in xrange(h // height):
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19 rect = pygame.rect.Rect(x * width, y * height, width, height)
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20 images.append(image.subsurface(rect))
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21 return images
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22
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23
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24 class HeroSprite(pygame.sprite.Sprite):
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25 def __init__(self, (x, y)):
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26 super(HeroSprite, self).__init__()
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27 self.spritesheet = load_sheet('spritesheet.png', 64)
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28 self.image = self.spritesheet[2]
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29 self.rect = self.image.get_rect()
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30 self.rect.midbottom = (x * 32 + 16, y * 32 + 32)
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31
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32 def move(self, (dx, dy)):
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33 self.rect.move_ip(dx * 32, dy * 32)
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34
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35
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36 class Level(object):
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37 def __init__(self, filename):
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38 self.tiled_map = tmxloader.load_pygame(filename)
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39 self.hero_position = 1, 1
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40
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41 def render(self, screen):
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42 w = self.tiled_map.tilewidth
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43 h = self.tiled_map.tileheight
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44 get_image = self.tiled_map.getTileImage
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45 for l, layer in enumerate(self.tiled_map.tilelayers):
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46 for y in xrange(self.tiled_map.height):
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47 for x in xrange(self.tiled_map.width):
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48 image = get_image(x, y, l)
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49 if image:
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50 screen.blit(image, (x * w, y * h))
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51 x, y = self.hero_position
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52
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53 def get_properties(self, (x, y)):
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54 properties = {}
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55 for l, layer in enumerate(self.tiled_map.tilelayers):
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56 properties.update(self.tiled_map.getTileProperties((x, y, l)) or {})
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57 return properties
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58
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59 def is_blocked(self, (x, y)):
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60 return self.get_properties((x, y)).get('block')
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61
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62 def move_hero(self, (dx, dy)):
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63 x, y = self.hero_position
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64 if not self.is_blocked((x + dx, y + dy)):
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65 self.hero_position = x + dx, y + dy
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66 return True
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67 return False
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68
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69
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70 class Game(object):
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71 def __init__(self):
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72 pygame.display.init()
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73 pygame.font.init()
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74 self.screen = pygame.display.set_mode((800, 600))
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75 self.screen.fill((0x66, 0x66, 0x66))
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76 self.keys = {
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77 pg.K_UP: (self.move_hero, (0, -1)),
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78 pg.K_DOWN: (self.move_hero, (0, 1)),
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79 pg.K_LEFT: (self.move_hero, (-1, 0)),
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80 pg.K_RIGHT: (self.move_hero, (1, 0)),
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81 pg.K_ESCAPE: (self.quit,),
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82 }
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83 self.sprites = pygame.sprite.RenderUpdates()
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84
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85 def load_level(self, filename):
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86 self.level = Level(filename)
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87 self.hero_sprite = HeroSprite(self.level.hero_position)
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88 self.sprites.add(self.hero_sprite)
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89 self.background = self.screen.copy()
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90 self.level.render(self.background)
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91 self.screen.blit(self.background, (0, 0))
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92 self.sprites.draw(self.screen)
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93 pygame.display.update()
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94
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95 def quit(self):
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96 self.game_over = True
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97
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98 def move_hero(self, direction):
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99 if self.level.move_hero(direction):
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100 self.hero_sprite.move(direction)
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101
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102 def control(self):
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103 event = pygame.event.wait()
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104 if event.type == pg.QUIT:
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105 self.quit()
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106 elif event.type == pg.KEYDOWN:
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107 try:
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108 action = self.keys[event.key]
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109 except KeyError:
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110 pass
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111 else:
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112 action[0](*action[1:])
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113
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114 def display(self):
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115 self.sprites.clear(self.screen, self.background)
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116 self.sprites.update()
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117 dirty = self.sprites.draw(self.screen)
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118 pygame.display.update(dirty)
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119
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120 def run(self):
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121 self.game_over = False
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122 while not self.game_over:
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123 self.display()
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124 self.control()
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125
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126
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127 if __name__ == '__main__':
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128 game = Game()
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129 game.load_level('level.tmx')
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130 game.run()