Mercurial > pyntnclick
annotate pyntnclick/state.py @ 749:a453731e4531 pyntnclick
Game-defined scene module
author | Stefano Rivera <stefano@rivera.za.net> |
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date | Sun, 20 Jan 2013 18:57:17 +0200 |
parents | efa58c92b304 |
children | ef4bda7d623d |
rev | line source |
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7
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1 """Utilities and base classes for dealing with scenes.""" |
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2 |
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3 import copy |
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4 |
644 | 5 from widgets.text import LabelWidget |
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6 from pygame.color import Color |
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7 |
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8 from pyntnclick.engine import ScreenEvent |
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9 |
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PEP-8 gamescreen and state.
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10 |
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11 def frame_rect(surface, color, rect, thick=1): |
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12 # FIXME: Stolen from albow |
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13 surface.fill(color, (rect.left, rect.top, rect.width, thick)) |
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14 surface.fill(color, (rect.left, rect.bottom - thick, rect.width, thick)) |
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15 surface.fill(color, (rect.left, rect.top, thick, rect.height)) |
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16 surface.fill(color, (rect.right - thick, rect.top, thick, rect.height)) |
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17 |
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18 |
78 | 19 class Result(object): |
20 """Result of interacting with a thing""" | |
21 | |
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22 def __init__(self, message=None, soundfile=None, detail_view=None, |
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23 widget=None, end_game=False): |
78 | 24 self.message = message |
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25 self.soundfile = soundfile |
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26 self.detail_view = detail_view |
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27 self.widget = widget |
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28 self.end_game = end_game |
78 | 29 |
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30 def play_sound(self, screen): |
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31 if self.soundfile: |
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32 sound = screen.gd.sound.get_sound(self.soundfile) |
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33 sound.play() |
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34 |
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35 def process(self, screen): |
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36 """Helper function to do the right thing with a result object""" |
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37 self.play_sound(screen) |
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38 if self.widget: |
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39 screen.queue_widget(self.widget) |
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40 if self.message: |
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41 screen.show_message(self.message) |
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42 if self.detail_view: |
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43 screen.game.show_detail(self.detail_view) |
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44 if self.end_game: |
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45 screen.end_game() |
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46 |
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47 |
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48 class GameState(dict): |
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49 """This holds the serializable game state. |
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50 |
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51 Games wanting to do fancier stuff with the state should |
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52 sub-class this and feed the subclass into |
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53 GameDescription via the custom_data parameter.""" |
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54 |
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55 def get_all_gizmo_data(self, state_key): |
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56 """Get all state for a gizmo - returns a dict""" |
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57 return self[state_key] |
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58 |
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59 def get_data(self, state_key, data_key): |
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60 """Get a single entry""" |
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61 return self[state_key].get(data_key, None) |
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62 |
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63 def set_data(self, state_key, data_key, value): |
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64 """Set a single value""" |
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65 self[state_key][data_key] = value |
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66 |
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67 def initialize_state(self, state_key, initial_data): |
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68 """Initialize a gizmo entry""" |
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69 if state_key not in self: |
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70 self[state_key] = {} |
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71 if initial_data: |
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72 # deep copy of INITIAL_DATA allows lists, sets and |
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73 # other mutable types to safely be used in INITIAL_DATA |
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74 self[state_key].update(copy.deepcopy(initial_data)) |
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75 |
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76 |
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77 class Game(object): |
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78 """Complete game state. |
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79 |
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80 Game state consists of: |
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81 |
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82 * items |
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83 * scenes |
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84 """ |
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85 def __init__(self, gd): |
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86 # game description |
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87 self.gd = gd |
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88 # map of scene name -> Scene object |
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89 self.scenes = {} |
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90 # map of detail view name -> DetailView object |
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91 self.detail_views = {} |
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92 # map of item name -> Item object |
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93 self.items = {} |
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94 # list of item objects in inventory |
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95 self.inventory = [] |
73 | 96 # currently selected tool (item) |
97 self.tool = None | |
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98 # Global game data |
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99 self.data = GameState() |
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100 # current scene |
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101 self.current_scene = None |
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102 # debug rects |
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103 self.debug_rects = False |
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104 |
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105 def set_custom_data(self, data_object): |
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106 self.data = data_object |
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107 |
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108 def set_debug_rects(self, value=True): |
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109 self.debug_rects = value |
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110 |
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111 def add_scene(self, scene): |
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112 scene.set_game(self) |
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113 self.scenes[scene.name] = scene |
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114 |
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115 def add_detail_view(self, detail_view): |
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116 detail_view.set_game(self) |
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117 self.detail_views[detail_view.name] = detail_view |
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118 |
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119 def add_item(self, item): |
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120 item.set_game(self) |
35 | 121 self.items[item.name] = item |
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122 |
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123 def load_scenes(self, modname): |
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124 mod = __import__('%s.%s' % (self.gd.SCENE_MODULE, modname), |
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125 fromlist=[modname]) |
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126 for scene_cls in mod.SCENES: |
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127 scene = scene_cls(self) |
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128 self.add_scene(scene) |
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129 if hasattr(mod, 'DETAIL_VIEWS'): |
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130 for scene_cls in mod.DETAIL_VIEWS: |
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131 scene = scene_cls(self) |
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132 self.add_detail_view(scene) |
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133 |
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134 def change_scene(self, name): |
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135 ScreenEvent.post('game', 'change_scene', |
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136 {'name': name, 'detail': False}) |
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137 |
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138 def show_detail(self, name): |
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139 ScreenEvent.post('game', 'change_scene', |
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140 {'name': name, 'detail': True}) |
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141 |
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142 def _update_inventory(self): |
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143 ScreenEvent.post('game', 'inventory', None) |
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144 |
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145 def add_inventory_item(self, name): |
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146 self.inventory.append(self.items[name]) |
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147 self._update_inventory() |
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148 |
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149 def is_in_inventory(self, name): |
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150 if name in self.items: |
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151 return self.items[name] in self.inventory |
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152 return False |
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153 |
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154 def remove_inventory_item(self, name): |
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155 self.inventory.remove(self.items[name]) |
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156 # Unselect tool if it's removed |
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157 if self.tool == self.items[name]: |
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158 self.set_tool(None) |
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159 self._update_inventory() |
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160 |
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161 def replace_inventory_item(self, old_item_name, new_item_name): |
167
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162 """Try to replace an item in the inventory with a new one""" |
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163 try: |
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164 index = self.inventory.index(self.items[old_item_name]) |
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165 self.inventory[index] = self.items[new_item_name] |
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166 if self.tool == self.items[old_item_name]: |
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167 self.set_tool(self.items[new_item_name]) |
167
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168 except ValueError: |
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169 return False |
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170 self._update_inventory() |
167
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171 return True |
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172 |
73 | 173 def set_tool(self, item): |
174 self.tool = item | |
175 | |
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176 |
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177 class GameDeveloperGizmo(object): |
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178 """Base class for objects game developers see.""" |
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179 |
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180 def __init__(self): |
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181 """Set """ |
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182 self.game = None |
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183 self.gd = None |
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184 self.resource = None |
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185 self.sound = None |
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186 |
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187 def set_game(self, game): |
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188 self.game = game |
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189 self.gd = game.gd |
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190 self.resource = self.gd.resource |
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191 self.sound = self.gd.sound |
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192 self.setup() |
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193 |
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194 def setup(self): |
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195 """Game developers should override this to do their setup. |
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196 |
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197 It will be called after all the useful state functions have been |
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198 set. |
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199 """ |
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200 pass |
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201 |
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202 |
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203 class StatefulGizmo(GameDeveloperGizmo): |
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204 |
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205 # initial data (optional, defaults to none) |
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206 INITIAL_DATA = None |
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207 STATE_KEY = None |
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208 |
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209 def __init__(self): |
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210 GameDeveloperGizmo.__init__(self) |
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211 self.state_key = self.STATE_KEY |
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212 self.state = None # set this with set_state if required |
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213 |
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214 def set_state(self, state): |
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215 """Set the state object and initialize if needed""" |
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216 self.state = state |
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217 self.state.initialize_state(self.state_key, self.INITIAL_DATA) |
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218 |
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219 def set_data(self, key, value): |
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220 if self.state: |
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221 self.state.set_data(self.state_key, key, value) |
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222 |
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223 def get_data(self, key): |
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224 if self.state: |
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225 return self.state.get_data(self.state_key, key) |
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226 |
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227 |
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228 class Scene(StatefulGizmo): |
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229 """Base class for scenes.""" |
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230 |
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231 # sub-folder to look for resources in |
22 | 232 FOLDER = None |
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233 |
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234 # name of background image resource |
22 | 235 BACKGROUND = None |
236 | |
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237 # name of scene (optional, defaults to folder) |
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238 NAME = None |
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239 |
278 | 240 # Offset of the background image |
241 OFFSET = (0, 0) | |
242 | |
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243 def __init__(self, state): |
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244 StatefulGizmo.__init__(self) |
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245 # scene name |
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246 self.name = self.NAME if self.NAME is not None else self.FOLDER |
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247 self.state_key = self.name |
22 | 248 # map of thing names -> Thing objects |
249 self.things = {} | |
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250 self.current_thing = None |
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251 self._background = None |
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252 |
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253 def set_game(self, game): |
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changeset
|
254 super(Scene, self).set_game(game) |
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changeset
|
255 self.set_state(game.data) |
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parents:
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diff
changeset
|
256 |
35 | 257 def add_item(self, item): |
603
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parents:
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diff
changeset
|
258 self.game.add_item(item) |
35 | 259 |
39
088a101f5b94
Add an example Thing to cryo scene.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
35
diff
changeset
|
260 def add_thing(self, thing): |
088a101f5b94
Add an example Thing to cryo scene.
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parents:
35
diff
changeset
|
261 self.things[thing.name] = thing |
603
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parents:
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changeset
|
262 thing.set_game(self.game) |
41
ad6f56bfa8b7
Cryo door, titanium leg and some interaction prototypes.
Jeremy Thurgood <firxen@gmail.com>
parents:
39
diff
changeset
|
263 thing.set_scene(self) |
ad6f56bfa8b7
Cryo door, titanium leg and some interaction prototypes.
Jeremy Thurgood <firxen@gmail.com>
parents:
39
diff
changeset
|
264 |
ad6f56bfa8b7
Cryo door, titanium leg and some interaction prototypes.
Jeremy Thurgood <firxen@gmail.com>
parents:
39
diff
changeset
|
265 def remove_thing(self, thing): |
ad6f56bfa8b7
Cryo door, titanium leg and some interaction prototypes.
Jeremy Thurgood <firxen@gmail.com>
parents:
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diff
changeset
|
266 del self.things[thing.name] |
692
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Much scene management refactoring.
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parents:
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changeset
|
267 if thing is self.current_thing: |
d6ded808cc33
Much scene management refactoring.
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diff
changeset
|
268 self.current_thing.leave() |
d6ded808cc33
Much scene management refactoring.
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diff
changeset
|
269 self.current_thing = None |
39
088a101f5b94
Add an example Thing to cryo scene.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
35
diff
changeset
|
270 |
668 | 271 def _get_description(self, dest_rect): |
692
d6ded808cc33
Much scene management refactoring.
Jeremy Thurgood <firxen@gmail.com>
parents:
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diff
changeset
|
272 text = (self.current_thing and |
d6ded808cc33
Much scene management refactoring.
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changeset
|
273 self.current_thing.get_description()) |
76
1a5fdc225939
Add description rendering to scene rendering.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
75
diff
changeset
|
274 if text is None: |
1a5fdc225939
Add description rendering to scene rendering.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
75
diff
changeset
|
275 return None |
668 | 276 label = LabelWidget((0, 10), self.gd, text) |
726
efa58c92b304
Move prepare out of __init__ and into everywhere else
Neil Muller <neil@dip.sun.ac.za>
parents:
723
diff
changeset
|
277 label.do_prepare() |
668 | 278 label.rect.left += (dest_rect.width - label.rect.width) / 2 |
76
1a5fdc225939
Add description rendering to scene rendering.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
75
diff
changeset
|
279 return label |
1a5fdc225939
Add description rendering to scene rendering.
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parents:
75
diff
changeset
|
280 |
651
122204fb6eb1
Defer drawing description to StateWidget
Neil Muller <neil@dip.sun.ac.za>
parents:
644
diff
changeset
|
281 def draw_description(self, surface): |
668 | 282 description = self._get_description(surface.get_rect()) |
319
fd849354be58
Mouse handling refactorings.
Jeremy Thurgood <firxen@gmail.com>
parents:
314
diff
changeset
|
283 if description is not None: |
642
143c67501c79
Make descriptions work (kinda, sorta, maybe if you squint at it just right)
Neil Muller <neil@dip.sun.ac.za>
parents:
640
diff
changeset
|
284 description.draw(surface) |
76
1a5fdc225939
Add description rendering to scene rendering.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
75
diff
changeset
|
285 |
526
a984cf27b527
Defer some resource loading until it's actually necessary.
Jeremy Thurgood <firxen@gmail.com>
parents:
520
diff
changeset
|
286 def _cache_background(self): |
a984cf27b527
Defer some resource loading until it's actually necessary.
Jeremy Thurgood <firxen@gmail.com>
parents:
520
diff
changeset
|
287 if self.BACKGROUND and not self._background: |
592
4e9178215e75
Introduce .setup() for GameDeveloperGizmos.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
588
diff
changeset
|
288 self._background = self.resource.get_image( |
625
85153f422522
Differently yuck get_image().
Jeremy Thurgood <firxen@gmail.com>
parents:
612
diff
changeset
|
289 self.FOLDER, self.BACKGROUND) |
526
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Defer some resource loading until it's actually necessary.
Jeremy Thurgood <firxen@gmail.com>
parents:
520
diff
changeset
|
290 |
22 | 291 def draw_background(self, surface): |
526
a984cf27b527
Defer some resource loading until it's actually necessary.
Jeremy Thurgood <firxen@gmail.com>
parents:
520
diff
changeset
|
292 self._cache_background() |
130
11afefc4aeaf
InteractText for mocking up scenes. Allow backgrounds to be None. Mock up map.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
129
diff
changeset
|
293 if self._background is not None: |
278 | 294 surface.blit(self._background, self.OFFSET, None) |
130
11afefc4aeaf
InteractText for mocking up scenes. Allow backgrounds to be None. Mock up map.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
129
diff
changeset
|
295 else: |
11afefc4aeaf
InteractText for mocking up scenes. Allow backgrounds to be None. Mock up map.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
129
diff
changeset
|
296 surface.fill((200, 200, 200)) |
18
c9b124c2f5c6
Start of scene drawing framework.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
11
diff
changeset
|
297 |
23
1e90a3e4618e
Add code for blitting Scene.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
22
diff
changeset
|
298 def draw_things(self, surface): |
1e90a3e4618e
Add code for blitting Scene.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
22
diff
changeset
|
299 for thing in self.things.itervalues(): |
1e90a3e4618e
Add code for blitting Scene.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
22
diff
changeset
|
300 thing.draw(surface) |
18
c9b124c2f5c6
Start of scene drawing framework.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
11
diff
changeset
|
301 |
682 | 302 def draw(self, surface): |
22 | 303 self.draw_background(surface) |
23
1e90a3e4618e
Add code for blitting Scene.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
22
diff
changeset
|
304 self.draw_things(surface) |
18
c9b124c2f5c6
Start of scene drawing framework.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
11
diff
changeset
|
305 |
71
99c5506de7ea
Start of interact handling.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
68
diff
changeset
|
306 def interact(self, item, pos): |
99c5506de7ea
Start of interact handling.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
68
diff
changeset
|
307 """Interact with a particular position. |
99c5506de7ea
Start of interact handling.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
68
diff
changeset
|
308 |
99c5506de7ea
Start of interact handling.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
68
diff
changeset
|
309 Item may be an item in the list of items or None for the hand. |
78 | 310 |
311 Returns a Result object to provide feedback to the player. | |
71
99c5506de7ea
Start of interact handling.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
68
diff
changeset
|
312 """ |
692
d6ded808cc33
Much scene management refactoring.
Jeremy Thurgood <firxen@gmail.com>
parents:
684
diff
changeset
|
313 if self.current_thing is not None: |
d6ded808cc33
Much scene management refactoring.
Jeremy Thurgood <firxen@gmail.com>
parents:
684
diff
changeset
|
314 return self.current_thing.interact(item) |
71
99c5506de7ea
Start of interact handling.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
68
diff
changeset
|
315 |
105
65976205fc2d
Rough Stab at basic animation support
Neil Muller <neil@dip.sun.ac.za>
parents:
101
diff
changeset
|
316 def animate(self): |
65976205fc2d
Rough Stab at basic animation support
Neil Muller <neil@dip.sun.ac.za>
parents:
101
diff
changeset
|
317 """Animate all the things in the scene. |
65976205fc2d
Rough Stab at basic animation support
Neil Muller <neil@dip.sun.ac.za>
parents:
101
diff
changeset
|
318 |
65976205fc2d
Rough Stab at basic animation support
Neil Muller <neil@dip.sun.ac.za>
parents:
101
diff
changeset
|
319 Return true if any of them need to queue a redraw""" |
65976205fc2d
Rough Stab at basic animation support
Neil Muller <neil@dip.sun.ac.za>
parents:
101
diff
changeset
|
320 result = False |
65976205fc2d
Rough Stab at basic animation support
Neil Muller <neil@dip.sun.ac.za>
parents:
101
diff
changeset
|
321 for thing in self.things.itervalues(): |
65976205fc2d
Rough Stab at basic animation support
Neil Muller <neil@dip.sun.ac.za>
parents:
101
diff
changeset
|
322 if thing.animate(): |
65976205fc2d
Rough Stab at basic animation support
Neil Muller <neil@dip.sun.ac.za>
parents:
101
diff
changeset
|
323 result = True |
65976205fc2d
Rough Stab at basic animation support
Neil Muller <neil@dip.sun.ac.za>
parents:
101
diff
changeset
|
324 return result |
65976205fc2d
Rough Stab at basic animation support
Neil Muller <neil@dip.sun.ac.za>
parents:
101
diff
changeset
|
325 |
120 | 326 def enter(self): |
327 return None | |
328 | |
329 def leave(self): | |
330 return None | |
331 | |
324
3476e8f3b100
Fixed mouse and cursor handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
319
diff
changeset
|
332 def update_current_thing(self, pos): |
692
d6ded808cc33
Much scene management refactoring.
Jeremy Thurgood <firxen@gmail.com>
parents:
684
diff
changeset
|
333 if self.current_thing is not None: |
d6ded808cc33
Much scene management refactoring.
Jeremy Thurgood <firxen@gmail.com>
parents:
684
diff
changeset
|
334 if not self.current_thing.contains(pos): |
d6ded808cc33
Much scene management refactoring.
Jeremy Thurgood <firxen@gmail.com>
parents:
684
diff
changeset
|
335 self.current_thing.leave() |
d6ded808cc33
Much scene management refactoring.
Jeremy Thurgood <firxen@gmail.com>
parents:
684
diff
changeset
|
336 self.current_thing = None |
324
3476e8f3b100
Fixed mouse and cursor handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
319
diff
changeset
|
337 for thing in self.things.itervalues(): |
3476e8f3b100
Fixed mouse and cursor handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
319
diff
changeset
|
338 if thing.contains(pos): |
603
3ce19d33b51f
Rename state to game to not cause confusion with the other state
Neil Muller <neil@dip.sun.ac.za>
parents:
595
diff
changeset
|
339 thing.enter(self.game.tool) |
692
d6ded808cc33
Much scene management refactoring.
Jeremy Thurgood <firxen@gmail.com>
parents:
684
diff
changeset
|
340 self.current_thing = thing |
324
3476e8f3b100
Fixed mouse and cursor handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
319
diff
changeset
|
341 break |
3476e8f3b100
Fixed mouse and cursor handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
319
diff
changeset
|
342 |
3476e8f3b100
Fixed mouse and cursor handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
319
diff
changeset
|
343 def mouse_move(self, pos): |
71
99c5506de7ea
Start of interact handling.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
68
diff
changeset
|
344 """Call to check whether the cursor has entered / exited a thing. |
99c5506de7ea
Start of interact handling.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
68
diff
changeset
|
345 |
99c5506de7ea
Start of interact handling.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
68
diff
changeset
|
346 Item may be an item in the list of items or None for the hand. |
99c5506de7ea
Start of interact handling.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
68
diff
changeset
|
347 """ |
324
3476e8f3b100
Fixed mouse and cursor handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
319
diff
changeset
|
348 self.update_current_thing(pos) |
71
99c5506de7ea
Start of interact handling.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
68
diff
changeset
|
349 |
125
d3ca34a664fd
Some detail view and data cleanup.
Jeremy Thurgood <firxen@gmail.com>
parents:
124
diff
changeset
|
350 def get_detail_size(self): |
526
a984cf27b527
Defer some resource loading until it's actually necessary.
Jeremy Thurgood <firxen@gmail.com>
parents:
520
diff
changeset
|
351 self._cache_background() |
127
9646e7c8bb97
Size detail window based on the Scene background image.
Jeremy Thurgood <firxen@gmail.com>
parents:
126
diff
changeset
|
352 return self._background.get_size() |
125
d3ca34a664fd
Some detail view and data cleanup.
Jeremy Thurgood <firxen@gmail.com>
parents:
124
diff
changeset
|
353 |
595
59f1ee3f5632
Remove albow.resources in a few more places.
Jeremy Thurgood <firxen@gmail.com>
parents:
592
diff
changeset
|
354 def get_image(self, *image_name_fragments, **kw): |
625
85153f422522
Differently yuck get_image().
Jeremy Thurgood <firxen@gmail.com>
parents:
612
diff
changeset
|
355 return self.resource.get_image(*image_name_fragments, **kw) |
595
59f1ee3f5632
Remove albow.resources in a few more places.
Jeremy Thurgood <firxen@gmail.com>
parents:
592
diff
changeset
|
356 |
7
d7c9d8273d7f
Start of base classes for game state.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
diff
changeset
|
357 |
488
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
358 class InteractiveMixin(object): |
519
8f3c82c685a4
Fix is_interactive() by adding tool param.
Jeremy Thurgood <firxen@gmail.com>
parents:
518
diff
changeset
|
359 def is_interactive(self, tool=None): |
488
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
360 return True |
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
361 |
492
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
362 def interact(self, tool): |
519
8f3c82c685a4
Fix is_interactive() by adding tool param.
Jeremy Thurgood <firxen@gmail.com>
parents:
518
diff
changeset
|
363 if not self.is_interactive(tool): |
492
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
364 return None |
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
365 if tool is None: |
488
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
366 return self.interact_without() |
492
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
367 handler = getattr(self, 'interact_with_' + tool.tool_name, None) |
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
368 inverse_handler = self.get_inverse_interact(tool) |
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
369 if handler is not None: |
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
370 return handler(tool) |
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
371 elif inverse_handler is not None: |
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
372 return inverse_handler(self) |
488
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
373 else: |
492
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
374 return self.interact_default(tool) |
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
375 |
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
376 def get_inverse_interact(self, tool): |
c1f4f9149349
Unify Thing and Item interaction handling.
Jeremy Thurgood <firxen@gmail.com>
parents:
491
diff
changeset
|
377 return None |
488
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
378 |
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
379 def interact_without(self): |
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
380 return self.interact_default(None) |
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
381 |
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
382 def interact_default(self, item=None): |
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
383 return None |
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
384 |
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
385 |
d8087848722d
Factor Thing interactive stuff out into a mixing. (Items to follow.)
Jeremy Thurgood <firxen@gmail.com>
parents:
487
diff
changeset
|
386 class Thing(StatefulGizmo, InteractiveMixin): |
22 | 387 """Base class for things in a scene that you can interact with.""" |
7
d7c9d8273d7f
Start of base classes for game state.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
diff
changeset
|
388 |
86
593bddfacf18
Refactor Things a bit to render images.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
79
diff
changeset
|
389 # name of thing |
593bddfacf18
Refactor Things a bit to render images.
Simon Cross <hodgestar+bzr@gmail.com>
parents:
79
diff
changeset
|
390 NAME = None |
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391 |
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392 # sub-folder to look for resources in (defaults to scenes folder) |
41
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393 FOLDER = None |
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394 |
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395 # list of Interact objects |
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396 INTERACTS = {} |
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397 |
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398 # name first interact |
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399 INITIAL = None |
41
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400 |
68
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401 # Interact rectangle hi-light color (for debugging) |
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402 # (set to None to turn off) |
282
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403 _interact_hilight_color = Color('red') |
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404 |
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405 def __init__(self): |
55
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406 StatefulGizmo.__init__(self) |
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407 # name of the thing |
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408 self.name = self.NAME |
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409 # folder for resource (None is overridden by scene folder) |
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410 self.folder = self.FOLDER |
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411 self.state_key = self.NAME |
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412 # interacts |
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413 self.interacts = self.INTERACTS |
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414 # these are set by set_scene |
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415 self.scene = None |
86
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416 self.current_interact = None |
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417 self.rect = None |
280
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418 self.orig_rect = None |
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419 |
278 | 420 def _fix_rect(self): |
421 """Fix rects to compensate for scene offset""" | |
280
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422 # Offset logic is to always work with copies, to avoid |
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423 # flying effects from multiple calls to _fix_rect |
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424 # See footwork in draw |
278 | 425 if hasattr(self.rect, 'collidepoint'): |
280
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426 self.rect = self.rect.move(self.scene.OFFSET) |
278 | 427 else: |
280
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428 self.rect = [x.move(self.scene.OFFSET) for x in self.rect] |
278 | 429 |
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430 def set_scene(self, scene): |
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431 assert self.scene is None |
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432 self.scene = scene |
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433 if self.folder is None: |
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434 self.folder = scene.FOLDER |
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435 self.game = scene.game |
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436 self.set_state(self.game.data) |
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437 for interact in self.interacts.itervalues(): |
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438 interact.set_thing(self) |
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439 self.set_interact(self.INITIAL) |
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440 |
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441 def set_interact(self, name): |
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442 self.current_interact = self.interacts[name] |
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443 self.rect = self.current_interact.interact_rect |
278 | 444 if self.scene: |
445 self._fix_rect() | |
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446 assert self.rect is not None, name |
39
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|
447 |
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448 def contains(self, pos): |
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449 if hasattr(self.rect, 'collidepoint'): |
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450 return self.rect.collidepoint(pos) |
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451 else: |
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452 # FIXME: add sanity check |
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453 for rect in list(self.rect): |
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454 if rect.collidepoint(pos): |
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455 return True |
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456 return False |
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457 |
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458 def get_description(self): |
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459 return None |
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|
460 |
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461 def enter(self, item): |
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462 """Called when the cursor enters the Thing.""" |
139
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463 pass |
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464 |
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465 def leave(self): |
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466 """Called when the cursr leaves the Thing.""" |
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467 pass |
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|
468 |
105
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|
469 def animate(self): |
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470 return self.current_interact.animate() |
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|
471 |
23
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472 def draw(self, surface): |
280
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473 old_rect = self.current_interact.rect |
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|
474 if old_rect: |
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|
475 self.current_interact.rect = old_rect.move(self.scene.OFFSET) |
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|
476 self.current_interact.draw(surface) |
280
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477 self.current_interact.rect = old_rect |
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478 if self.game.debug_rects and self._interact_hilight_color: |
94
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479 if hasattr(self.rect, 'collidepoint'): |
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|
480 frame_rect(surface, self._interact_hilight_color, |
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481 self.rect.inflate(1, 1), 1) |
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482 else: |
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483 for rect in self.rect: |
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484 frame_rect(surface, self._interact_hilight_color, |
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485 rect.inflate(1, 1), 1) |
23
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|
486 |
22 | 487 |
592
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Introduce .setup() for GameDeveloperGizmos.
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488 class Item(GameDeveloperGizmo, InteractiveMixin): |
22 | 489 """Base class for inventory items.""" |
490 | |
35 | 491 # image for inventory |
492 INVENTORY_IMAGE = None | |
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493 |
490 | 494 # name of item |
495 NAME = None | |
496 | |
336
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497 # name for interactions (i.e. def interact_with_<TOOL_NAME>) |
226 | 498 TOOL_NAME = None |
499 | |
336
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500 # set to instance of CursorSprite |
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501 CURSOR = None |
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502 |
487
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|
503 def __init__(self, name=None): |
592
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504 GameDeveloperGizmo.__init__(self) |
487
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505 self.name = self.NAME |
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|
506 if name is not None: |
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diff
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|
507 self.name = name |
193
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|
508 self.tool_name = name |
226 | 509 if self.TOOL_NAME is not None: |
510 self.tool_name = self.TOOL_NAME | |
526
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diff
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511 self.inventory_image = None |
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diff
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|
512 |
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Defer some resource loading until it's actually necessary.
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diff
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|
513 def _cache_inventory_image(self): |
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diff
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|
514 if not self.inventory_image: |
592
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|
515 self.inventory_image = self.resource.get_image( |
625
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Differently yuck get_image().
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diff
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|
516 'items', self.INVENTORY_IMAGE) |
22 | 517 |
34
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diff
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|
518 def get_inventory_image(self): |
526
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diff
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|
519 self._cache_inventory_image() |
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|
520 return self.inventory_image |
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diff
changeset
|
521 |
492
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Unify Thing and Item interaction handling.
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diff
changeset
|
522 def get_inverse_interact(self, tool): |
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diff
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|
523 return getattr(tool, 'interact_with_' + self.tool_name, None) |
166
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|
524 |
519
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Fix is_interactive() by adding tool param.
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518
diff
changeset
|
525 def is_interactive(self, tool=None): |
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518
diff
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|
526 if tool: |
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518
diff
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|
527 return True |
512 | 528 return False |
529 | |
191 | 530 |
531 class CloneableItem(Item): | |
532 _counter = 0 | |
533 | |
252
dfc89bc64fdb
Start of walkthrough "unit test" and associated fixes and tweaks.
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534 @classmethod |
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535 def _get_new_id(cls): |
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536 cls._counter += 1 |
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537 return cls._counter - 1 |
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538 |
487
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Make name param to an Item optional and use NAME if present.
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539 def __init__(self, name=None): |
490 | 540 super(CloneableItem, self).__init__(name) |
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541 my_count = self._get_new_id() |
490 | 542 self.name = "%s.%s" % (self.name, my_count) |