X-Git-Url: https://git.ctpug.org.za/?a=blobdiff_plain;f=naja%2Fengine.py;h=2642feb3481de6407b63ebb02cd58b0a3691afd2;hb=a1c561e26fae79ce8a9570c9404975a8a0367d65;hp=d509ec20e2e914e958b172380c2f3842b8d6648c;hpb=4168e9307ee78634e1bf7e945ab661204a91d9a0;p=naja.git

diff --git a/naja/engine.py b/naja/engine.py
index d509ec2..2642feb 100644
--- a/naja/engine.py
+++ b/naja/engine.py
@@ -1,15 +1,41 @@
 import pygame
 import pygame.locals as pgl
 
+from naja.constants import FPS
+from naja.events import SceneChangeEvent, QuitGameEvent, LoadGameEvent
+from naja.sound import sound
+
 
 class Engine(object):
-    def __init__(self, surface):
+    def __init__(self, surface, scene, state):
         self._surface = surface
+        self._scene = scene
+        self._state = state
 
     def run(self):
+        clock = pygame.time.Clock()
         while True:
+            self._surface.fill((0, 0, 0))
             for ev in pygame.event.get():
-                if ev.type == pgl.QUIT:
+                if ev.type == pgl.QUIT or QuitGameEvent.matches(ev):
+                    self.quit_game()
                     return
-            # TODO: work
+                elif SceneChangeEvent.matches(ev):
+                    self.change_scene(ev.scene_cls)
+                elif LoadGameEvent.matches(ev):
+                    self._state = ev.state
+                else:
+                    self._scene.handle_event(ev)
+            self._scene.render(self._surface)
             pygame.display.flip()
+            clock.tick(FPS)
+
+    def change_scene(self, scene_cls):
+        self._scene.exit()
+        self._scene = scene_cls(self._state)
+        self._scene.enter()
+
+    def quit_game(self):
+        self._scene.exit()
+        sound.play_sound('shutdown.ogg', foreground=True)
+        self._scene = None