Exemple #1
0
class Game(object):
    def __init__(self):
        self.camera_position = [0, 0, -512]
        self.enemies  = LazySet()
        self.entities = LazySet()
        self.tick_callbacks = LazySet()

    def create_entity(self, klass, *a, **ka):
        entity = klass(self)
        entity.on_setup(*a, **ka)
        self.entities.add(entity)
        return entity

    def remove_entity(self, e):
        self.entities.remove(e)
        e.on_remove()






    def start(self):
        self.window = pyglet.window.Window(800, 600)
        self.window.set_vsync(True)


        self.floor_batch  = pyglet.graphics.Batch()
        self.decal_batch  = pyglet.graphics.Batch()
        self.object_batch = pyglet.graphics.Batch()
        self.effect_batch = pyglet.graphics.Batch()
        self.wall_batch  = pyglet.graphics.Batch()
        self.window_batch = pyglet.graphics.Batch()
        self.status_label = pyglet.text.Label('Loading...', font_name='sans',
                                              font_size=8, x=10, y=10,
                                              batch=self.window_batch)

        self.window.set_handler('on_draw', self.on_draw)
        self.window.set_handler('on_resize', self.on_resize)

        pyglet.clock.schedule_once(self.setup_resources, 0)
        pyglet.clock.schedule_once(self.setup_controls, 0)
        pyglet.clock.schedule_once(self.setup_world, 0)
        pyglet.clock.schedule_once(self.setup_player, 0)
        pyglet.clock.schedule_once(self.setup_gameloop, 0)
        pyglet.app.run()

    def setup_resources(self, dt):
        self.notice('Indexing resources...')
        self.loader = pyglet.resource.Loader(
            path = ['./resources'],
            script_home=os.path.abspath(os.path.dirname(__file__)))
        self.load_image = self.loader.image
        self.loader.reindex()

    def setup_controls(self, dt):
        self.notice('Initializing controls...')
        self.keys = pyglet.window.key.KeyStateHandler()
        self.window.push_handlers(self.keys)

    def setup_world(self, dt):
        self.notice('Loading world...')
        self.world = World(self, './ftl/resources/world.json')

    def setup_player(self, dt):
        self.notice('Loading player...')
        self.player = self.create_entity(Player)
        self.center_camera()

    def setup_gameloop(self, dt):
        self.notice('Loading game state...')
        pyglet.clock.schedule_interval(self.on_tick, 1.0/60)

    def notice(self, msg):
        self.status_label.text = msg

    def on_resize(self, w, h):
        self.window_size = w, h

    def on_draw(self):
        self.window.clear()
        w, h = self.window_size
        self.notice('Entities: %d FPS: %d' % (
            len(self.entities),
            pyglet.clock.get_fps()))

        # Setup perspective
        glMatrixMode(GL_PROJECTION)
        glLoadIdentity()
        glOrtho(-w/2, w/2, -h/2, h/2, -100, 10000)

        # Move camera above character
        glMatrixMode(GL_MODELVIEW)
        glLoadIdentity()
        glTranslatef(*map(int, self.camera_position))

        # Draw everything but HUD
        self.floor_batch.draw()
        self.decal_batch.draw()
        self.wall_batch.draw()
        self.object_batch.draw()
        self.effect_batch.draw()

        # Draw HUD
        glLoadIdentity()
        glTranslatef(-w/2, -h/2, -100)
        self.window_batch.draw()

    def on_tick(self, dt):
        self.handle_player_movement(dt)
        self.handle_input(dt)

        for entity in self.entities:
            entity.tick(dt)

        for callback in self.tick_callbacks:
            callback(dt)

    def handle_player_movement(self, dt):
        dx = 0.0
        dy = 0.0

        if self.keys[key.RIGHT]: dx += 1
        if self.keys[key.LEFT]:  dx -= 1
        if self.keys[key.UP]:    dy += 1
        if self.keys[key.DOWN]:  dy -= 1

        if dx and dy:
            # Length of vector is always sqrt(2), so we devide it by sqrt(2)
            # to get a uniform vector. Works only for diagonal movement.
            dx *= 0.7071067811865476 # 1/sqrt(2)
            dy *= 0.7071067811865476

        if dx or dy:
            self.player.move(dx*dt, dy*dt)
            self.center_camera()
        else:
            self.player.move(0.0, 0.0) # Tell the player to stop

    def handle_input(self, dt):
        if self.keys[key.E]:
            self.enemies.add(self.create_entity(Enemy, *self.player.position))
        if self.keys[key.D]:
            import pdb; pdb.set_trace()

        if self.keys[key.SPACE]:
            bx, by = self.player.last_move
            if bx or by:
                bx, by = normvec((bx, by), 200)
                bx += (0.5 - random.random()) * 100
                by += (0.5 - random.random()) * 100
                x, y = self.player.position
                if self.player.face == 'up':     y += 10
                if self.player.face == 'down':   y -= 10
                if self.player.face == 'right':  x += 15
                if self.player.face == 'left':   x -= 15
                bullet = self.create_entity(Fireball, x, y+10, bx, by)

    def center_camera(self):
        ''' Move the camera above the player, but only if the player leaves a
            save area. '''
        wx, wy, wz = self.camera_position
        px, py = self.player.position

        # Desired world position in center of screen
        wx = max(-30, min(30, px+wx)) - px
        wy = max(-30, min(30, py+wy)) - py

        self.camera_position = [wx, wy, wz]
        self.world.light(*self.player.position)
Exemple #2
0
 def setup_world(self, dt):
     self.notice('Loading world...')
     self.world = World(self, './ftl/resources/world.json')