Mercurial > pyntnclick

comparison gamelib/state.py @ 28:0f25f7b9b37a

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Add loading of initial state.
author Simon Cross <hodgestar+bzr@gmail.com>
date Sun, 22 Aug 2010 18:48:32 +0200
parents 1e90a3e4618e
children 6322d92dc8f0
comparison
equal deleted inserted replaced
27:5c7bbbdf9296 28:0f25f7b9b37a
1 """Utilities and base classes for dealing with scenes.""" 1 """Utilities and base classes for dealing with scenes."""
2 2
3 from albow.resource import get_image, get_sound 3 from albow.resource import get_image, get_sound
4 from pygame.locals import BLEND_ADD 4 from pygame.locals import BLEND_ADD
5 5
6
6 def initial_state(): 7 def initial_state():
7 """Load the initial state.""" 8 """Load the initial state."""
8 state = State() 9 state = State()
9 # TODO: populate state 10 state.load_scenes("cryo")
11 state.set_current_scene("cryo")
10 return state 12 return state
11 13
12 14
13 class State(object): 15 class State(object):
14 """Complete game state. 16 """Complete game state.
24 self.scenes = {} 26 self.scenes = {}
25 # map of item name -> Item object 27 # map of item name -> Item object
26 self.items = {} 28 self.items = {}
27 # map of item name -> Item object in inventory 29 # map of item name -> Item object in inventory
28 self.inventory = {} 30 self.inventory = {}
31 # current scene
32 self.current_scene = None
33
34 def add_scene(self, scene):
35 self.scenes[scene.name] = scene
36
37 def load_scenes(self, modname):
38 mod = __import__("gamelib.scenes.%s" % (modname,), fromlist=[modname])
39 for scene_cls in mod.SCENES:
40 self.add_scene(scene_cls(self))
41
42 def set_current_scene(self, name):
43 self.current_scence = self.scenes[name]
44
45 def draw(self, surface):
46 self.current_scene.draw(surface)
29 47
30 48
31 class Scene(object): 49 class Scene(object):
32 """Base class for scenes.""" 50 """Base class for scenes."""
33 51
52 # sub-folder to look for resources in
34 FOLDER = None 53 FOLDER = None
54
55 # name of background image resource
35 BACKGROUND = None 56 BACKGROUND = None
36 57
37 def __init__(self): 58 # name of scene (optional, defaults to folder)
59 NAME = None
60
61 def __init__(self, state):
62 # scene name
63 self.name = self.NAME if self.NAME is not None else self.FOLDER
64 # link back to state object
65 self.state = state
38 # map of thing names -> Thing objects 66 # map of thing names -> Thing objects
39 self.things = {} 67 self.things = {}
40 self._background = get_image([self.FOLDER, self.BACKGROUND]) 68 self._background = get_image(self.FOLDER, self.BACKGROUND)
41 69
42 def draw_background(self, surface): 70 def draw_background(self, surface):
43 surface.blit(self._background, (0, 0), None, BLEND_ADD) 71 surface.blit(self._background, (0, 0), None, BLEND_ADD)
44 72
45 def draw_things(self, surface): 73 def draw_things(self, surface):