#include <allegro.h>

int main()
{
	allegro_init();
	install_timer();
	install_keyboard();
	install_mouse();
	
	set_color_depth(16);	
	set_gfx_mode(GFX_AUTODETECT, 640,480,0,0);


//	load graphics
//	and do some other stuff
	
	enum gamestate { LOGINSCREEN = 0, MAINSCREEN = 1, CREATESCREEN = 2, SHUTDOWN = 3 };
	
	gamestate GAMESTATE;
	
	void loginscreen()
	{
		// load background
		// do stuff for buttons
    	}
    
	void mainscreen()
	{
		// load background
		// do stuff for buttons
    	}
    
    
	void createscreen()
	{
		// load background
		// do stuff for buttons
    	}
	
	int DONE = false;
	
	do
	{

	switch (GAMESTATE)
	{

	case LOGINSCREEN:
	{
	loginscreen();

//	turn on login screen buttons
                
	if(the exit button is clicked())
	{
		GAMESTATE = SHUTDOWN;
	}
            
	if(the login button is clicked())
	{             
		// turn off login screen buttons
		GAMESTATE = MAINSCREEN;
	}
            
                return(1);
            }break;
        
//>>
// the main screen case
//>>

//>>
// the create screen case
//>>

	case SHUTDOWN:
	{      
		DONE = true;
 
	return(0);                
	}break;
            
	return(1);
	}
        
	show_mouse(buffer);
	set_mouse_sprite(the_pointer);
		
	blit(buffer, screen, 0,0,0,0,640,480);
	clear(buffer);
        
	}while(!DONE);

	return(0);
}

END_OF_MAIN();