Mercurial > skaapsteker

annotate skaapsteker/levelscene.py @ 273:95e2ef31e714

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author Jeremy Thurgood <firxen@gmail.com>
date Fri, 08 Apr 2011 19:09:09 +0200
parents e47efa33903b
children ddcfc159dc2a
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1 """Scene wrapping a level object."""
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2
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3 from pygame.locals import (KEYDOWN, KEYUP, K_DOWN, K_ESCAPE, K_LEFT, K_RIGHT,
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4 K_SEMICOLON, K_UP, K_p, K_q, K_x, K_z, K_RETURN)
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5
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6 import pygame
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7 import time
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8
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9 from . import options
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10 from . import engine
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11 from . import level
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12 from . import physics
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13 from . import constants
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14 from .sprites import player
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15 from .widgets.text import Text
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16 from .widgets.bubble import DialogueWidget
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17
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18
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19 class LevelScene(engine.Scene):
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20
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21 def __init__(self, game_state, soundsystem, doorway_def=None):
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22 super(LevelScene, self).__init__(game_state, soundsystem)
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23
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24 if doorway_def is not None:
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25 player_def = self.game_state.world.player
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26 player_def.level, player_def.doorway = doorway_def.split('.')
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27 self._level = level.Level(self.game_state.world.player.level, soundsystem)
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28 self._player_dead = False
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29 self._dialogue = None
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30
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31 self.setup_player()
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32
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33 self._level_surface = self._level.get_surface()
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34 self._clip_rect = None
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35 self._world = physics.World()
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36 self._paused = False
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37
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38 for sprite in self._level.sprites:
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39 self._world.add(sprite)
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40 for sprite in self.game_state.create_sprites(self._level.name):
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41 self._world.add(sprite)
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42 self._world.add(self._player)
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43
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44 self._build_action_map()
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45 self._key_sequence = []
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46
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47 def setup_player(self):
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48 doorway = self._level.doorways[self.game_state.world.player.doorway]
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49 self._player = player.Player(self.game_state.world, self._soundsystem)
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50 self._player.set_facing(doorway.facing)
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51 self._player.set_image()
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52 self._player.set_pos(doorway._starting_tile_pos)
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53
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54 # Double tap stuff
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55 self._last_keys_down = []
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56 self._last_keydown_time = None
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57 self._last_keyup_time = None
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58
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59 def _build_action_map(self):
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60 action = lambda s: getattr(self._player, 'action_%s' % s)
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61
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62 self._quit_keys = set([K_q, K_ESCAPE])
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63 self._restart_keys = set([K_x, K_z, K_RETURN])
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64
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65 self._fast_key_map = {
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66 K_LEFT: action('left'),
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67 K_RIGHT: action('right'),
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68 K_UP: action('up'),
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69 K_DOWN: action('down'),
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70 }
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71 self._fast_keys_down = set()
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72
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73 self._slow_key_map = {
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74 K_ESCAPE: self._quit,
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75 K_p: self._toggle_pause,
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76 }
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77 if options['dvorak']:
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78 self._slow_key_map[K_SEMICOLON] = action('fire1')
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79 self._slow_key_map[K_q] = action('fire2')
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80 else:
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81 self._slow_key_map[K_x] = action('fire1')
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82 self._slow_key_map[K_z] = action('fire2')
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83 self._slow_key_map[K_q] = self._quit
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84
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85 self._key_tap_map = {
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86 (K_LEFT, K_LEFT) : action('double_left'),
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87 (K_RIGHT, K_RIGHT) : action('double_right'),
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88 (K_DOWN, K_DOWN) : action('double_down'),
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89 }
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90
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91 def _quit(self, pause=True):
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92 import menuscene # avoid circular import
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93 if pause:
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94 engine.ChangeScene.post(menuscene.MenuScene(self.game_state, self._soundsystem, self))
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95 else:
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96 # FIXME: When starting the game, we shoudl ensure we have sane
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97 # states
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98 if self._player_dead:
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99 self._player.restore()
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100 engine.ChangeScene.post(menuscene.MenuScene(self.game_state, self._soundsystem, None))
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101
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102 def _restart(self):
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103 if self._player_dead:
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104 self._player.restore()
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105 engine.ChangeScene.post(LevelScene(self.game_state, self._soundsystem))
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106
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107 def _toggle_pause(self):
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108 if self._paused:
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109 self._world.thaw()
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110 self._paused = False
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111 else:
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112 self._world.freeze()
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113 self._paused = True
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114
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115 def _open_dialogue(self, npc):
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116 if npc.dsm.has_text():
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117 if self._dialogue is not None:
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118 self._dialogue.close()
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119 self._world.freeze()
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120 self._dialogue = DialogueWidget(npc)
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121 else:
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122 self._close_dialogue()
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123
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124 def _close_dialogue(self):
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125 if self._dialogue is not None:
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126 self._world.thaw()
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127 self._dialogue.close()
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128 self._dialogue = None
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129
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130 def leave(self):
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131 """Freeze the scene, for serialization"""
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132 self._world.freeze()
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133 self._level.leave()
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134
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135 def enter(self):
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136 """Unfreeze"""
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137 self._world.thaw()
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138 self._level.enter()
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139
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140 def draw(self, screen_surface, engine):
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141 if self._clip_rect is None:
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142 self._clip_rect = pygame.Rect((0, 0), screen_surface.get_size())
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538d15e6cca1 Add level scenes
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143
251
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144 if not self._paused and not self._dialogue:
173
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145 for key in self._fast_keys_down:
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146 self._fast_key_map[key]()
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147 self._world.update()
169
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148
111
601d2a500e4a Hook up scrolling.
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149 self._update_clip_rect()
40
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150
111
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151 self._level_surface.set_clip(self._clip_rect)
40
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152 self._level.draw(self._level_surface)
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153 self._world.draw(self._level_surface)
251
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154 if self._dialogue:
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155 self._dialogue.draw(self._level_surface)
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156
123
592477d8b09b Add fps to game
Neil Muller <drnlmuller@gmail.com>
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diff changeset
157 fps_text_pos = self._clip_rect.left + 10, self._clip_rect.top + 10
183
691d2795ae3c Add text shadow
Stefano Rivera <stefano@rivera.za.net>
parents: 173
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158 fps_text = Text('FPS: %.1f' % engine.get_fps(), fps_text_pos, shadow='white')
123
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159 fps_text.draw(self._level_surface)
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parents: 114
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160
173
21d34f1f15b2 Press p to pause.
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parents: 170
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161 if self._paused:
21d34f1f15b2 Press p to pause.
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parents: 170
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162 paused_text_pos = self._clip_rect.centerx - 10, self._clip_rect.centery - 10
21d34f1f15b2 Press p to pause.
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163 paused_text = Text('Paused', paused_text_pos)
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164 paused_text.draw(self._level_surface)
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parents: 170
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165
244
5bbf90e6a94b Add minimal support for player death
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166 if self._player_dead:
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167 death_text_pos = self._clip_rect.centerx - 100, self._clip_rect.centery - 100
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168 death_text = Text("You've died.\nPress Escape to exit or Return to restart the level", death_text_pos)
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169 death_text.draw(self._level_surface)
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170
111
601d2a500e4a Hook up scrolling.
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diff changeset
171 screen_surface.blit(self._level_surface, (0, 0), self._clip_rect)
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172
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173 def _update_clip_rect(self):
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174 cr = self._clip_rect
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175 lr = self._level_surface.get_rect()
150
a5ca417ee39a Centre camera one tile higher then the midbottom of the player, to avoid bouncing around due to animation size mismatches.
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parents: 145
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176 cr.center = self._player.collide_rect.move(0, -level.TILE_SIZE[0]).midbottom
124
fde3d25cb4b9 Replace custom clamping code with a call to .clamp_ip.
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177 cr.clamp_ip(lr)
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178
270
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179
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180 def _detect_key_sequence(self, ev):
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181 if ev.key not in self._fast_key_map:
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182 self._key_sequence = []
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183 return False
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184
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185 if ev.type is KEYUP:
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186 if (not self._key_sequence
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187 or ev.key != self._key_sequence[-1]
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diff changeset
188 or (time.time() - self._last_keydown_time) > constants.DOUBLE_TAP_TIME):
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189 self._key_sequence = []
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190 return False
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191 self._last_keyup_time = time.time()
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192 return False
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193
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194 if ev.type is KEYDOWN:
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195 if self._last_keyup_time is None or (time.time() - self._last_keyup_time) > constants.DOUBLE_TAP_TIME:
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196 self._key_sequence = []
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197 self._key_sequence.append(ev.key)
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198 self._last_keydown_time = time.time()
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199 for seq in self._key_tap_map:
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200 if seq == tuple(self._key_sequence[-len(seq):]):
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201 self._key_sequence = self._key_sequence[-len(seq):]
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202 return True
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203 return False
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204
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205
16
e2837dd40607 Show how to use dispatch on levelscene.
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diff changeset
206 def dispatch(self, ev):
250
8d7edd77bfbf Start hooking up NPC interactions.
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diff changeset
207 if ev.type is KEYDOWN:
270
e47efa33903b Fixed key sequence handling.
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parents: 268
diff changeset
208
244
5bbf90e6a94b Add minimal support for player death
Neil Muller <drnlmuller@gmail.com>
parents: 243
diff changeset
209 if self._player_dead:
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parents: 243
diff changeset
210 if ev.key in self._restart_keys:
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parents: 243
diff changeset
211 self._restart()
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Neil Muller <drnlmuller@gmail.com>
parents: 243
diff changeset
212 elif ev.key in self._quit_keys:
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213 self._quit(False)
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214 return
270
e47efa33903b Fixed key sequence handling.
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diff changeset
215
251
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diff changeset
216 if self._dialogue:
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diff changeset
217 self._dialogue.dispatch(ev)
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218 return
270
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diff changeset
219
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diff changeset
220 if self._detect_key_sequence(ev):
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diff changeset
221 print "Detected double-tap:", self._key_sequence
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diff changeset
222 action = self._key_tap_map.get(tuple(self._key_sequence))
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parents: 268
diff changeset
223 if action is not None:
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parents: 268
diff changeset
224 action()
169
b7a8f4a677e1 Replace key repeating with custom tracking of fast keys.
Simon Cross <hodgestar@gmail.com>
parents: 165
diff changeset
225 if ev.key in self._fast_key_map:
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parents: 165
diff changeset
226 self._fast_keys_down.add(ev.key)
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parents: 165
diff changeset
227 action = self._slow_key_map.get(ev.key)
102
2e913a89e69d Link up key presses to calls to action functions on player and to quitting level.
Simon Cross <hodgestar@gmail.com>
parents: 88
diff changeset
228 if action is not None:
2e913a89e69d Link up key presses to calls to action functions on player and to quitting level.
Simon Cross <hodgestar@gmail.com>
parents: 88
diff changeset
229 action()
270
e47efa33903b Fixed key sequence handling.
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parents: 268
diff changeset
230
169
b7a8f4a677e1 Replace key repeating with custom tracking of fast keys.
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parents: 165
diff changeset
231 elif ev.type is KEYUP:
270
e47efa33903b Fixed key sequence handling.
Jeremy Thurgood <firxen@gmail.com>
parents: 268
diff changeset
232 self._detect_key_sequence(ev)
e47efa33903b Fixed key sequence handling.
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parents: 268
diff changeset
233
169
b7a8f4a677e1 Replace key repeating with custom tracking of fast keys.
Simon Cross <hodgestar@gmail.com>
parents: 165
diff changeset
234 if ev.key in self._fast_key_map:
b7a8f4a677e1 Replace key repeating with custom tracking of fast keys.
Simon Cross <hodgestar@gmail.com>
parents: 165
diff changeset
235 self._fast_keys_down.discard(ev.key)
265
7628467eecd9 Add double-key tap support
Neil Muller <drnlmuller@gmail.com>
parents: 264
diff changeset
236
250
8d7edd77bfbf Start hooking up NPC interactions.
Simon Cross <hodgestar@gmail.com>
parents: 248
diff changeset
237 elif engine.PlayerDied.matches(ev):
8d7edd77bfbf Start hooking up NPC interactions.
Simon Cross <hodgestar@gmail.com>
parents: 248
diff changeset
238 self._player_dead = True
8d7edd77bfbf Start hooking up NPC interactions.
Simon Cross <hodgestar@gmail.com>
parents: 248
diff changeset
239 elif engine.OpenDialog.matches(ev):
251
432f6997d306 More hooking up of interacting with NPCs.
Simon Cross <hodgestar@gmail.com>
parents: 250
diff changeset
240 self._open_dialogue(ev.npc)
250
8d7edd77bfbf Start hooking up NPC interactions.
Simon Cross <hodgestar@gmail.com>
parents: 248
diff changeset
241 elif engine.CloseDialog.matches(ev):
251
432f6997d306 More hooking up of interacting with NPCs.
Simon Cross <hodgestar@gmail.com>
parents: 250
diff changeset
242 self._close_dialogue()