def start(self):
self.story = Story('first')
self.world_state = WorldState(self)
self.area_state = AreaState(self)
self.area_state.set_area(self.story.world.get_start_area())
self.push_state(self.world_state)
self.push_state(self.area_state)
self.loop()
class Game:
def __init__(self):
pygame.init()
pygame.mouse.set_visible(False)
self.size = width, height = screen_width, screen_height
self.screen = pygame.display.set_mode(self.size)
self.states = []
self.exit = False
def push_state(self, state):
if len(self.states):
self.states[-1].pause()
self.states.append(state)
state.enter()
def top_state(self):
return self.states[-1]
def pop_state(self):
if len(self.states):
self.states[-1].exit()
self.states.pop()
if len(self.states):
self.states[-1].resume()
else:
self.exit = True
def start(self):
self.story = Story('first')
self.world_state = WorldState(self)
self.area_state = AreaState(self)
self.area_state.set_area(self.story.world.get_start_area())
self.push_state(self.world_state)
self.push_state(self.area_state)
self.loop()
def loop(self):
#time is specified in milliseconds
#fixed simulation step duration
step_size = 10
#max duration to render a frame
max_frame_time = 100
time_last_frame = pygame.time.get_ticks()
frames = 0
time = 0
ms_per_frame = 1000/frames_per_second
while not self.exit:
#handle events
for e in pygame.event.get():
#print str(e)
if e.type == pygame.QUIT:
self.exit = True
elif e.type == pygame.KEYUP:
if e.key == pygame.K_ESCAPE:
self.pop_state()
if self.exit:
break
self.top_state().process_event(e)
elif e.type == pygame.MOUSEBUTTONDOWN:
self.top_state().process_event(e)
if self.exit:
break
now = pygame.time.get_ticks()
time_since_last_frame = now - time_last_frame
if time_since_last_frame < ms_per_frame:
pygame.time.wait(ms_per_frame - time_since_last_frame)
now = pygame.time.get_ticks()
time_since_last_frame = now - time_last_frame
time_last_frame = now
proportion = float(time_since_last_frame) / ms_per_frame
self.top_state().update(proportion)
if frametime_enabled:
before = pygame.time.get_ticks()
self.top_state().draw(self.screen)
if frametime_enabled:
after = pygame.time.get_ticks()
frames = frames + 1
time = time + (after-before)
pygame.display.flip()
if frametime_enabled:
print 'average render time: %f' % (float(time)/frames)
