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comparison gamelib/state.py @ 105:65976205fc2d

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Rough Stab at basic animation support
author Neil Muller <neil@dip.sun.ac.za>
date Tue, 24 Aug 2010 11:57:06 +0200
parents 19d784fd3918
children 5213b45fcc7e
comparison
equal deleted inserted replaced
104:ae76009a00b5 105:65976205fc2d
84 self.current_scene.draw(surface) 84 self.current_scene.draw(surface)
85 85
86 def interact(self, pos): 86 def interact(self, pos):
87 return self.current_scene.interact(self.tool, pos) 87 return self.current_scene.interact(self.tool, pos)
88 88
89 def animate(self):
90 return self.current_scene.animate()
91
89 def mouse_move(self, pos): 92 def mouse_move(self, pos):
90 self.current_scene.mouse_move(self.tool, pos) 93 self.current_scene.mouse_move(self.tool, pos)
91 94
92 95
93 class StatefulGizmo(object): 96 class StatefulGizmo(object):
184 if self._current_thing: 187 if self._current_thing:
185 # Also update descriptions if needed 188 # Also update descriptions if needed
186 self._current_description = self._make_description( 189 self._current_description = self._make_description(
187 self._current_thing.get_description()) 190 self._current_thing.get_description())
188 return result 191 return result
192
193 def animate(self):
194 """Animate all the things in the scene.
195
196 Return true if any of them need to queue a redraw"""
197 result = False
198 for thing in self.things.itervalues():
199 if thing.animate():
200 result = True
201 return result
189 202
190 def mouse_move(self, item, pos): 203 def mouse_move(self, item, pos):
191 """Call to check whether the cursor has entered / exited a thing. 204 """Call to check whether the cursor has entered / exited a thing.
192 205
193 Item may be an item in the list of items or None for the hand. 206 Item may be an item in the list of items or None for the hand.
220 233
221 def draw(self, surface): 234 def draw(self, surface):
222 if self.image is not None: 235 if self.image is not None:
223 surface.blit(self.image, self.rect, None) 236 surface.blit(self.image, self.rect, None)
224 237
238 def animate(self):
239 return False
240
225 241
226 class InteractNoImage(Interact): 242 class InteractNoImage(Interact):
227 243
228 def __init__(self, x, y, w, h): 244 def __init__(self, x, y, w, h):
229 super(InteractNoImage, self).__init__(None, None, Rect(x, y, w, h)) 245 super(InteractNoImage, self).__init__(None, None, Rect(x, y, w, h))
246
230 247
231 class InteractRectUnion(Interact): 248 class InteractRectUnion(Interact):
232 249
233 def __init__(self, rect_list): 250 def __init__(self, rect_list):
234 # pygame.rect.Rect.unionall should do this, but is broken 251 # pygame.rect.Rect.unionall should do this, but is broken
250 267
251 def set_thing(self, thing): 268 def set_thing(self, thing):
252 self.image = get_image(thing.folder, self._image_name) 269 self.image = get_image(thing.folder, self._image_name)
253 self.rect = Rect(self._pos, self.image.get_size()) 270 self.rect = Rect(self._pos, self.image.get_size())
254 self.interact_rect = self.rect 271 self.interact_rect = self.rect
272
273
274 class InteractAnimated(Interact):
275 """Interactive with an animation rather than an image"""
276
277 # FIXME: Assumes all images are the same size
278 # anim_seq - sequence of image names
279 # delay - number of frames to wait between changing images
280
281 def __init__(self, x, y, anim_seq, delay):
282 self._pos = (x, y)
283 self._anim_pos = 0
284 self._names = anim_seq
285 self._frame_count = 0
286 self._anim_seq = None
287 self._delay = delay
288
289 def set_thing(self, thing):
290 self._anim_seq = [get_image(thing.folder, x) for x in self._names]
291 self.image = self._anim_seq[0]
292 self.rect = Rect(self._pos, self.image.get_size())
293 self.interact_rect = self.rect
294
295 def animate(self):
296 if self._anim_seq:
297 self._frame_count += 1
298 if self._frame_count > self._delay:
299 self._frame_count = 0
300 self._anim_pos += 1
301 if self._anim_pos >= len(self._anim_seq):
302 self._anim_pos = 0
303 self.image = self._anim_seq[self._anim_pos]
304 # queue redraw
305 return True
306 return False
255 307
256 308
257 class Thing(StatefulGizmo): 309 class Thing(StatefulGizmo):
258 """Base class for things in a scene that you can interact with.""" 310 """Base class for things in a scene that you can interact with."""
259 311
340 if handler is not None: 392 if handler is not None:
341 return handler(item) 393 return handler(item)
342 else: 394 else:
343 return self.interact_default(item) 395 return self.interact_default(item)
344 396
397 def animate(self):
398 return self.current_interact.animate()
399
345 def interact_without(self): 400 def interact_without(self):
346 return self.interact_default(None) 401 return self.interact_default(None)
347 402
348 def interact_default(self, item): 403 def interact_default(self, item):
349 return Result("It doesn't work.") 404 return Result("It doesn't work.")