#include "camera.h"
#include "conf.h"
#include "input.h"
#include "level.h"
#include "particles.h"
#include "player.h"
#include "raygint/display.h"
#include "results.h"
#include "stars.h"
#include "vec.h"
#ifdef GINT
#include <gint/cpu.h>
#include <gint/keyboard.h>
#include <gint/timer.h>
#endif
#include <stdlib.h>

static void update(void);
static void draw(void);
#ifdef GINT
static int callback(volatile int *);
#endif

int time = 0;
int deaths = 0;
int end = 0;

int
main(void)
{
	int timer;
	int frameskip = 1;
	volatile int has_ticked = 0;
	extern bopti_image_t bimg_title;
	extern font_t font_georgia;

	rDisplayInit();
	srand(1337);
#ifdef GINT
	timer = timer_configure(TIMER_ANY, 1000000 / TARGET_FPS,
	                        GINT_CALL(callback, &has_ticked));
	timer_start(timer);
	dfont(&font_georgia);
#endif
#ifdef RAYLIB
	SetTargetFPS(60);
#endif
	input_init();
	stars_init();
	level_load(0);
	camera_init(player_pos());

#ifdef GINT
	dimage(0, 0, &bimg_title);
	dupdate();
	getkey();
	has_ticked = 0;
	while (!has_ticked)
		;
	has_ticked = 0;
#endif

	while (!input_down(K_EXIT)) {
		int i;
		draw();
		for (i = 0; i < frameskip; i++) {
#ifdef GINT
			if (has_ticked > frameskip) {
				frameskip = has_ticked;
			}
			while (!has_ticked)
				sleep();
			while (has_ticked) {
				time += has_ticked;
				has_ticked = 0;
			}
#endif
			update();
		}
	}

	rDisplayDeinit();
#ifdef GINT
	timer_stop(timer);
#endif
	level_free();
	return 1;
}

static void
update(void)
{
	particles_update();
	input_update();
	player_update();
	camera_update();
	stars_update();
}

static void
draw(void)
{
	rDrawBegin();
	dclear(C_BLACK);
	stars_draw();
	level_draw();
	player_draw();
	particles_draw();
	if (end)
		results_draw();
	dupdate();
	rDrawEnd();
}

#ifdef GINT
static int
callback(volatile int *arg)
{
	*arg += 1;
	return 0;
}
#endif