#include "share.h"

static uint8 GunSight[] = {
	0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0,
	1, 2, 1, 2, 0, 3, 3, 3, 0, 2, 1, 2, 1,
	0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0,
	0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
};
static uint8 FCEUcursor[11 * 19] =
{
	1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
	1, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0,
	1, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0,
	1, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0,
	1, 2, 2, 2, 2, 1, 0, 0, 0, 0, 0,
	1, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0,
	1, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0,
	1, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0,
	1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0,
	1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1,
	1, 2, 2, 1, 2, 2, 1, 0, 0, 0, 0,
	1, 2, 1, 0, 1, 2, 2, 1, 0, 0, 0,
	1, 1, 0, 0, 1, 2, 2, 1, 0, 0, 0,
	1, 0, 0, 0, 0, 1, 2, 2, 1, 0, 0,
	0, 0, 0, 0, 0, 1, 2, 2, 1, 0, 0,
	0, 0, 0, 0, 0, 0, 1, 2, 2, 1, 0,
	0, 0, 0, 0, 0, 0, 1, 2, 2, 1, 0,
	0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0,
};

void FCEU_DrawGunSight(uint8 *buf, int xc, int yc) {
	int x, y;
	int c, d;

	for (y = 0; y < 13; y++)
		for (x = 0; x < 13; x++) {
			uint8 a;
			a = GunSight[y * 13 + x];
			if (a) {
				c = (yc + y - 7);
				d = (xc + x - 7);
				if (c >= 0 && d >= 0 && d < 256 && c < 240) {
					if (a == 3)
						buf[c * 256 + d] = 0xBF - (buf[c * 256 + d] & 0x3F);
					else
						buf[c * 256 + d] = a - 1;
				}
			}
		}
}


void FCEU_DrawCursor(uint8 *buf, int xc, int yc) {
	int x, y;
	int c, d;

	if (xc < 256 && yc < 240)
		for (y = 0; y < 19; y++)
			for (x = 0; x < 11; x++) {
				uint8 a;
				a = FCEUcursor[y * 11 + x];
				if (a) {
					c = (yc + y);
					d = (xc + x);
					if (d < 256 && c < 240)
						buf[c * 256 + d] = a + 127;
				}
			}
}