--- a/pyntnclick/engine.py	Sat Jun 21 22:04:35 2014 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,155 +0,0 @@
-"""Game engine and top-level game loop."""
-
-import pygame
-import pygame.event
-import pygame.display
-import pygame.time
-from pygame.locals import QUIT, USEREVENT
-
-# We can't do this via our usual UserEvent trickey
-# as it gets generated by pygame.music, which only
-# takes an event type
-MUSIC_ENDED = USEREVENT + 1
-
-
-class Engine(object):
-    def __init__(self, gd):
-        self._screen = None
-        self._gd = gd
-        self.screens = {}
-
-    def set_screen(self, screen_name):
-        if self._screen is not None:
-            self._screen.on_exit()
-        self._screen = self.screens[screen_name]
-        if self._screen is not None:
-            self._screen.on_enter()
-
-    def add_screen(self, name, screen):
-        self.screens[name] = screen
-
-    def run(self):
-        """Game loop."""
-
-        get_events = pygame.event.get
-        flip = pygame.display.flip
-        clock = pygame.time.Clock()
-        while True:
-            events = get_events()
-            for ev in events:
-                if ev.type == QUIT:
-                    return
-                elif ev.type == MUSIC_ENDED:
-                    self._gd.sound.music_ended()
-                elif ScreenChangeEvent.matches(ev):
-                    self.set_screen(ev.screen_name)
-                elif ScreenEvent.matches(ev):
-                    self.screens[ev.screen_name].process_event(ev.event_name,
-                                                               ev.data)
-                else:
-                    self._screen.dispatch(ev)
-            # Ping the screen / scene
-            self._screen.animate()
-            surface = pygame.display.get_surface()
-            self._screen.draw(surface)
-            flip()
-            self._fps = 1000.0 / clock.tick(
-                    self._gd.constants.frame_rate)
-
-
-class Screen(object):
-    """A top level object for the screen being displayed"""
-
-    def __init__(self, gd):
-        # Avoid import loop
-        from pyntnclick.widgets.base import Container
-
-        self.gd = gd
-        self.resource = gd.resource
-
-        self.surface_size = gd.constants.screen
-        self.surface = None
-        self.container = Container((0, 0), self.gd, self.surface_size)
-        self.setup()
-
-    def on_enter(self):
-        """Called when this becomes the current screen."""
-        # Create the surface here as flipping between editor and
-        # other things kills pygame.display
-        self.surface = pygame.Surface(self.surface_size)
-
-    def on_exit(self):
-        """Called when this stops being the current screen."""
-        self.surface = None
-
-    def setup(self):
-        """Override for initialization"""
-        pass
-
-    def dispatch(self, ev):
-        self.container.event(ev)
-
-    def animate(self):
-        """Called every tick - used for peroidic events, etc.
-
-           Interested classes are expected to override this"""
-        pass
-
-    def draw_background(self):
-        self.surface.fill(pygame.Color('gray'))
-
-    def draw(self, surface):
-        if self.surface:
-            self.draw_background()
-            self.container.draw(self.surface)
-            surface.blit(self.surface, self.surface.get_rect())
-
-    def display_dialog(self, dialog):
-        self.container.paused = True
-        self.container.add(dialog)
-        dialog.grab_focus()
-
-    def change_screen(self, new_screen_name):
-        ScreenChangeEvent.post(new_screen_name)
-
-    def screen_event(self, screen_name, event_name, data=None):
-        ScreenEvent.post(screen_name, event_name, data)
-
-    def process_event(self, event_name, data):
-        pass
-
-
-class UserEvent(object):
-    """A user event type allowing subclassing,
-       to provide an infinate number of user-defined events
-    """
-
-    TYPE = "UNKNOWN"
-
-    @classmethod
-    def post(cls, **kws):
-        ev = pygame.event.Event(USEREVENT, utype=cls.TYPE, **kws)
-        pygame.event.post(ev)
-
-    @classmethod
-    def matches(cls, ev):
-        return ev.type == USEREVENT and ev.utype == cls.TYPE
-
-
-class ScreenChangeEvent(UserEvent):
-
-    TYPE = "SCREEN_CHANGE"
-
-    @classmethod
-    def post(cls, screen_name):
-        super(ScreenChangeEvent, cls).post(screen_name=screen_name)
-
-
-class ScreenEvent(UserEvent):
-
-    TYPE = "SCREEN_EVENT"
-
-    @classmethod
-    def post(cls, screen_name, event_name, data):
-        super(ScreenEvent, cls).post(screen_name=screen_name,
-                                     event_name=event_name, data=data)