Mercurial > skaapsteker
annotate skaapsteker/sprites/base.py @ 236:9528c6fc7f75
Hook up attack anaimation (needs facing support still)
author | Neil Muller <drnlmuller@gmail.com> |
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date | Thu, 07 Apr 2011 12:38:45 +0200 |
parents | ec38a0b08729 |
children | 6a2f366d5e62 |
rev | line source |
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1 """Basic sprite classes.""" |
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2 |
35 | 3 from pygame import Rect |
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4 import re |
35 | 5 |
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6 from skaapsteker.physics import Sprite |
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7 from skaapsteker.constants import Layers |
47 | 8 from skaapsteker import data |
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9 from skaapsteker import dialogue |
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10 |
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11 |
35 | 12 TILE_SIZE = (64, 64) |
13 | |
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14 # Collision Layers (values are ids not numbers) |
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15 PC_LAYER = 0 |
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16 MONSTER_LAYER = 1 |
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17 NPC_LAYER = 2 |
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18 |
35 | 19 |
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20 |
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21 class GameSprite(Sprite): |
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22 image_dir = 'sprites/' |
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23 image_file = None |
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24 |
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25 def __init__(self, pos, **opts): |
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26 Sprite.__init__(self) |
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27 self.image = data.load_image(self.image_dir + self.image_file) |
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28 self.rect = self.image.get_rect(midbottom=(pos[0]*TILE_SIZE[0]+TILE_SIZE[0]/2, (pos[1]+1)*TILE_SIZE[1])) |
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29 self.collide_rect = self.rect.move(0, 0) |
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30 self.setup(**opts) |
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31 |
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32 |
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33 class AnimatedGameSprite(Sprite): |
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34 # folder for animation files, e.g. sprites/foo |
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35 image_dir = None |
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36 |
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37 # first item is the starting animation |
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38 animation_regexes = [ |
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39 # TODO: swap back once we know how to swap |
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40 ("running", r"^.*_\d+.png$"), |
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41 ("standing", r"^.*_standing.png$"), |
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42 ("attacking", r"^.*_attacking.png$"), |
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43 ] |
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44 |
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45 wants_updates = True |
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46 |
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47 def __init__(self, pos, **opts): |
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48 Sprite.__init__(self) |
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49 self._animations = dict((k, []) for k, r in self.animation_regexes) |
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50 self._frame = 0 |
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51 self._tick = 0 # TODO: hack to show some animation; kill shortly |
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52 self._animation = self.animation_regexes[0][0] |
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53 |
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54 for image in data.get_files(self.image_dir): |
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55 for name, pattern in self.animation_regexes: |
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56 if re.match(pattern, image): |
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57 img = data.load_image("%s/%s" % (self.image_dir, image)) |
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58 collide_rect = img.get_bounding_rect(1).inflate(-2,-2) |
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59 self._animations[name].append((img, collide_rect)) |
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60 |
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61 self.collide_rect = Rect((0, 0), (2, 2)) |
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62 self.collide_rect.midbottom = (pos[0]*TILE_SIZE[0]+TILE_SIZE[0]/2, (pos[1]+1)*TILE_SIZE[1]) |
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63 self._update_image() |
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64 self.setup(**opts) |
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65 |
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66 def _update_image(self): |
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67 images = self._animations[self._animation] |
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68 if self._frame >= len(images): |
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69 self._frame = 0 |
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70 cand_image, cand_collide_rect = images[self._frame] |
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71 cand_collide_rect = cand_collide_rect.move(0, 0) # copy collide rect before we move it |
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72 |
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73 cur_pos = self.collide_rect.midbottom |
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74 |
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75 cand_rect = cand_image.get_rect() |
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76 cand_rect_offset = cand_rect.centerx - cand_collide_rect.centerx, cand_rect.bottom - cand_collide_rect.bottom |
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77 cand_rect.midbottom = cur_pos[0] + cand_rect_offset[0], cur_pos[1] + cand_rect_offset[1] |
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78 cand_collide_rect.midbottom = cur_pos |
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79 |
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80 if not self.check_collide_rect(cand_collide_rect, cand_rect, cand_image) and not self._animation == 'attacking': |
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81 return |
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82 |
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83 self.image = cand_image |
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84 self.collide_rect = cand_collide_rect |
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85 self.rect = cand_rect |
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86 self.rect_offset = cand_rect_offset |
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87 self.init_pos() |
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88 |
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89 def update(self): |
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90 if self._tick > 10: |
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91 self._tick = 0 |
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92 self._frame += 1 |
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93 self._update_image() |
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94 self._tick += 1 |
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95 |
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96 |
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97 class Monster(AnimatedGameSprite): |
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98 |
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99 collision_layer = MONSTER_LAYER |
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100 collides_with = set([PC_LAYER]) |
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102 debug_color = (240, 120, 120) |
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103 |
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104 block = True |
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105 |
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106 attack_frame = None # Mark a spefici frame in the animatio n as when the attack lands |
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107 attack_damage = 1 |
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108 |
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109 def __init__(self, pos, **opts): |
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110 AnimatedGameSprite.__init__(self, pos, **opts) |
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111 self.floor_rect = Rect(self.collide_rect.topleft, (self.collide_rect.width, 2)) |
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112 self._layer = Layers.PLAYER |
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113 self.health = 10 |
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114 self.setup(**opts) |
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115 |
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116 |
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117 def collided_player(self, player): |
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118 print "%s collided with player" % self |
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119 self.start_attack(player) |
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120 |
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121 def update(self): |
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122 AnimatedGameSprite.update(self) |
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123 if self._animation == 'attacking': |
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124 if self._frame == 0 and self._tick == 1: |
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125 # FIXME: This will need to change when AnimatedGameSprite changes |
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126 # We've just looped through the animation sequence |
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127 self._animation = self._old_state |
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128 elif self._frame == self.attack_frame and self._tick == 5: |
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129 # Attack the player |
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130 self.do_attack() |
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131 |
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132 def do_attack(self): |
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133 """Overriden by monster classes""" |
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134 if self.check_collides(self._target): |
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135 self._target.damage(self.attack_damage) |
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136 |
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137 def start_attack(self, player): |
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138 if self._animation == 'attacking': |
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139 return # We're already attacking |
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140 elif self.attack_frame is not None: |
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141 self._target = player |
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142 self._old_state = self._animation |
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143 self._animation = 'attacking' |
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144 self._tick = 1 |
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145 self._frame = 0 # Start the attack from the beginning |
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146 else: |
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147 player.damage(1) # collision damage |
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148 |
210 | 149 def damage(self, damage): |
150 print 'Damaged by ', damage | |
151 self.health -= damage | |
152 print 'Monster health', self.health | |
153 if self.health < 0: | |
154 self.kill() | |
155 | |
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156 |
213
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157 class NPC(AnimatedGameSprite): |
189
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158 |
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159 collision_layer = NPC_LAYER |
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160 collides_with = set([PC_LAYER]) |
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161 |
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162 debug_color = (240, 240, 240) |
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163 |
202
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164 block = False |
189
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165 |
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166 def __init__(self, pos, **opts): |
213
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167 AnimatedGameSprite.__init__(self, pos, **opts) |
189
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168 self._layer = Layers.PLAYER |
202
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169 |
217
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170 def setup(self, name, world, dsm, state): |
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171 self.dsm = dialogue.DSM(name, world, dsm, state) |
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172 |
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173 |
209 | 174 def collided_player(self, player): |
175 print "%s is ignoring player" % self | |
176 | |
177 | |
202
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178 class Projectile(GameSprite): |
18
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179 gravitates = False |
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180 |
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181 |
202
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182 class Item(GameSprite): |
18
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183 mobile = False |
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184 gravitates = False |
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185 |
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186 collision_layer = MONSTER_LAYER |
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187 collides_with = set([PC_LAYER]) |
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188 |
191 | 189 portable = True |
127
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190 |
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191 def __init__(self, pos, **opts): |
202
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192 GameSprite.__init__(self, pos, **opts) |
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193 self._layer = Layers.PLAYER |
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194 |
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195 |
193
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196 def setup(self, name, world): |
209 | 197 self.name = name |
198 self.world = world | |
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199 |
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200 |
191 | 201 def get_debug_color(self): |
202 if self.portable: | |
203 return (240, 0, 240) | |
204 return (0, 0, 240) | |
205 | |
206 | |
209 | 207 def collided_player(self, player): |
202
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208 print "Player touched %s" % self |
209 | 209 player.take_item(self) |
210 | |
202
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211 |
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212 |
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213 class Geography(Sprite): |
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214 mobile = False |
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215 gravitates = False |
189
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216 collides_with = set([PC_LAYER, MONSTER_LAYER, NPC_LAYER]) |
144
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217 is_ground = True |
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218 bounce_factor = (0.0, 0.0) |
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219 |
35 | 220 def __init__(self, pos, image): |
221 Sprite.__init__(self) | |
222 self.tile_pos = pos | |
223 self.image = image | |
122
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224 self.collide_rect = self.image.get_bounding_rect(1) |
186
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225 self.floor_rect = Rect(self.collide_rect.topleft, (self.collide_rect.width, 2)) |
122
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226 self.rect = self.image.get_rect() |
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227 self.rect_offset = self.collide_rect.left - self.rect.left, self.rect.top - self.rect.top |
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228 self.collide_rect.topleft = pos[0] * TILE_SIZE[0] + self.rect_offset[0], pos[1] * TILE_SIZE[1] + self.rect_offset[1] |
186
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229 self.floor_rect.topleft = pos[0] * TILE_SIZE[0] + self.rect_offset[0], pos[1] * TILE_SIZE[1] + self.rect_offset[1] |
122
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230 self.rect.topleft = pos[0] * TILE_SIZE[0], pos[1] * TILE_SIZE[1] |
35 | 231 |
117
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232 def get_debug_color(self): |
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233 if self.floor or self.block: |
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234 return (240, 240, 0) |
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235 return (0, 240, 0) |
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236 |
35 | 237 |
127
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238 def find_sprite(descr, mod_name=None): |
28
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239 """Create a sprite object from a dictionary describing it.""" |
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240 descr = descr.copy() |
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241 cls_name = descr.pop("type") |
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242 if mod_name is None: |
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243 mod_name, cls_name = cls_name.rsplit(".", 1) |
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244 mod_name = ".".join(["skaapsteker.sprites", mod_name]) |
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245 mod = __import__(mod_name, fromlist=[cls_name]) |
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246 cls = getattr(mod, cls_name) |
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247 return cls(**descr) |
35 | 248 |