import pygame
from pygame.locals import *
import gamedata
import gametimer
import video
import shader
import inputs
import models
import config
from OpenGL.GL import *


def set_engine(new_engine):
	global g_engine
	g_engine = new_engine
	
g_engine = None


def mainloop():
	global g_engine

	while True:
		events = pygame.event.get()
		pygame.event.pump()
		for ev in events:
			if ev.type == QUIT:
				inputs.add_command('exit')
				break
			elif ev.type == KEYUP:
				inputs.keyup(ev.key)
			elif ev.type == KEYDOWN:
				inputs.keydown(ev.key)
			#elif ev.type == VIDEOEXPOSE:
			#	video.force_redraw()

		
		if 'exit' in inputs.commands:
			break
		
		video.predraw()

		g_engine.frame(events)
		
		video.next_frame()

	video.save_window_pos()
	config.mgr.save()