/*
 *	Copyright (c) 2024 Scott Duensing, scott@kangaroopunch.com
 *
 *	Permission is hereby granted, free of charge, to any person obtaining a copy
 *	of this software and associated documentation files (the "Software"), to deal
 *	in the Software without restriction, including without limitation the rights
 *	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *	copies of the Software, and to permit persons to whom the Software is
 *	furnished to do so, subject to the following conditions:
 *
 *	The above copyright notice and this permission notice shall be included in
 *	all copies or substantial portions of the Software.
 *
 *	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *	SOFTWARE.
 */


#include "f256.h"


#define MAP_BRITANIA        0x10000
#define MAP_UNDERWORLD      0x30000
#define TILES_IMAGE_TOP     0x50000
#define TILES_IMAGE_BOTTOM  0x60000
#define TILES_CLUT          0x70000


int main(void) {
	byte     x;
	byte     r;
	byte     g;
	byte     b;
	uint32_t c;
	uint16_t xs = 75;
	uint16_t ys = 99;

	f256Init();

	// Set up CLUT0.
	c = TILES_CLUT;
	for (x=0; x<16; x++) {
		b = FAR_PEEK(c++);
		g = FAR_PEEK(c++);
		r = FAR_PEEK(c++);
		c++;
		graphicsDefineColor(0, x, r, g, b);
	}

	graphicsSetLayerTile(0, 0);
	tileDefineTileSet(0, TILES_IMAGE_TOP, true);
	tileDefineTileSet(1, TILES_IMAGE_BOTTOM, true);
	tileDefineTileMap(0, MAP_BRITANIA, 16, 255, 255);
	tileSetVisible(0, true);

	tileSetScroll(0, 0, xs, 0, ys);

	while (true) {
		kernelEventData.type = 0;
		kernelCall(NextEvent);
		if (kernelEventData.type == kernelEvent(key.RELEASED)) {
			switch (kernelEventData.key.ascii) {
				case 'w':
				case 'W':
					ys--;
					break;
				case 'a':
				case 'A':
					xs--;
					break;
				case 's':
				case 'S':
					ys++;
					break;
				case 'd':
				case 'D':
					xs++;
					break;
			}
			tileSetScroll(0, 0, xs, 0, ys);
			textGotoXY(0, 0);
			textPrintInt(xs);
			textPrint(", ");
			textPrintInt(ys);
			textPrint("  ");
		}
	}

	return 0;
}