def _populate_actors(self):
"""
Populates the game actors as follows:
- 10 x 10 brick grid
- Single ball starting just below brick grid
- player at bottom
"""
self.bricks = set()
stage_margin_left = (640 - GameState.STAGE_WIDTH)/2
stage_margin_top = (480 - GameState.STAGE_HEIGHT)/2
xbase = stage_margin_left + 100
ybase = stage_margin_top + 20
bwidth = Brick.WIDTH
bheight = Brick.HEIGHT
for i in range(0, 10):
for j in range(0, 10):
self.bricks.add(
Brick(
x = xbase + i*bwidth,
y = ybase + j*bheight,
state = self
)
)
self.ball = Ball(
x = xbase,
y = ybase+bheight*11,
state = self,
coords_min = (stage_margin_left, stage_margin_top),
coords_max = (
stage_margin_left+GameState.STAGE_WIDTH,
stage_margin_top+GameState.STAGE_HEIGHT
)
)
self.player = Player(
x = xbase,
y = GameState.STAGE_HEIGHT - Player.HEIGHT*2,
state = self,
x_min = stage_margin_left,
x_max = stage_margin_left+GameState.STAGE_WIDTH
)
class GameState(object):
"""
Populates stage actors and is responsible for game ticks
"""
STAGE_WIDTH = 600 # actual playable part of the canvas
STAGE_HEIGHT = 420
EVENT_TYPE_COLLISION = 1
def __init__(self, canvas, clock, pygame_obj):
self.canvas = canvas
self.bricks = set()
self.ball = None
self.player = None
self.clock = clock
self.pygame_obj = pygame_obj
self.running = False
self.gameover = False
def _populate_actors(self):
"""
Populates the game actors as follows:
- 10 x 10 brick grid
- Single ball starting just below brick grid
- player at bottom
"""
self.bricks = set()
stage_margin_left = (640 - GameState.STAGE_WIDTH)/2
stage_margin_top = (480 - GameState.STAGE_HEIGHT)/2
xbase = stage_margin_left + 100
ybase = stage_margin_top + 20
bwidth = Brick.WIDTH
bheight = Brick.HEIGHT
for i in range(0, 10):
for j in range(0, 10):
self.bricks.add(
Brick(
x = xbase + i*bwidth,
y = ybase + j*bheight,
state = self
)
)
self.ball = Ball(
x = xbase,
y = ybase+bheight*11,
state = self,
coords_min = (stage_margin_left, stage_margin_top),
coords_max = (
stage_margin_left+GameState.STAGE_WIDTH,
stage_margin_top+GameState.STAGE_HEIGHT
)
)
self.player = Player(
x = xbase,
y = GameState.STAGE_HEIGHT - Player.HEIGHT*2,
state = self,
x_min = stage_margin_left,
x_max = stage_margin_left+GameState.STAGE_WIDTH
)
def _drawall(self):
# draw actual stage border
white = self.pygame_obj.Color(255, 255, 255)
self.canvas.fill( self.pygame_obj.Color(0, 0, 0) )
stage_margin_left = (640 - GameState.STAGE_WIDTH)/2
stage_margin_top = (480 - GameState.STAGE_HEIGHT)/2
self.pygame_obj.draw.line(self.canvas, white,
(stage_margin_left, stage_margin_top),
(stage_margin_left+GameState.STAGE_WIDTH, stage_margin_top),
1)
self.pygame_obj.draw.line(self.canvas, white,
(stage_margin_left, stage_margin_top),
(stage_margin_left, stage_margin_top+GameState.STAGE_HEIGHT),
1)
self.pygame_obj.draw.line(self.canvas, white,
(stage_margin_left, stage_margin_top+GameState.STAGE_HEIGHT),
(stage_margin_left+GameState.STAGE_WIDTH, stage_margin_top+GameState.STAGE_HEIGHT),
1)
self.pygame_obj.draw.line(self.canvas, white,
(stage_margin_left+GameState.STAGE_WIDTH, stage_margin_top),
(stage_margin_left+GameState.STAGE_WIDTH, stage_margin_top+GameState.STAGE_HEIGHT),
1)
self.ball.draw(self.canvas, self.pygame_obj)
for brick in self.bricks:
brick.draw(self.canvas, self.pygame_obj)
self.player.draw(self.canvas, self.pygame_obj)
def _tick(self):
self.ball.tick(1)
self.player.tick(1)
if len(self.bricks) == 0:
print 'holy shit you won'
self.endgame()
def _broadcast_input_event(self, event_type, event_params):
"""
Right now the player is the only one that gives a shit
about input events
"""
self.player.input(event_type, event_params)
def _update_input(self):
for event in self.pygame_obj.event.get():
if event.type == QUIT:
self.running = False
break
if event.type not in PYGAME_EVENT_TO_BRK:
continue
brk_event_type = PYGAME_EVENT_TO_BRK[event.type]
brk_event_params = pygame_get_event_params(brk_event_type, event)
self._broadcast_input_event(brk_event_type, brk_event_params)
def _mainloop(self):
"""
Updates the game based on the number of ticks
ball first, player second
"""
while self.running:
if not self.gameover:
self._update_input()
self._tick()
self._drawall()
else:
self.running = False #XXX
self.pygame_obj.display.update()
self.clock.tick(30)
def startgame(self):
"""
Starts a fresh new game
"""
self._populate_actors()
self.running = True
self._mainloop()
def endgame(self):
"""
Interrupts the game, will print "GAME OVER" eventually
"""
self.gameover = True
