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/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

/*
 * This code is based on the original source code of Lord Avalot d'Argent version 1.3.
 * Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
 */

#include "graph.h"

namespace Avalanche {

integer gd, gm;
byte z;
array<1, 4, pointer> a;
untyped_file f;
word s;
string check;
integer x, y;
void savesc() {
	varying_string<40> adf;
	untyped_file f;
	byte z;
	array<1, 2, pointer> c;
	word s;
	varying_string<14> nam;
	varying_string<30> screenname;
	nam = "v:avvymonk.avd";
	adf = string("aved as a stuff file, so there! TJAT.") + '\15' + '\12' + '\32';
	adf[0] = 'S';
	screenname = "Avalot in a monk's costume";
	assign(f, nam); /* not scrambled */
	rewrite(f, 1);
	blockwrite(f, adf, 41);
	blockwrite(f, nam, 13);
	blockwrite(f, screenname, 31);
	s = imagesize(0, 0, getmaxx(), 75);
	for (z = 1; z <= 2; z ++) {
		getmem(c[z], s);
		getimage(0, 15 + (z - 1) * 75, getmaxx(), 15 + (z) * 75, c[z]);
		blockwrite(f, c[z], s);
		freemem(c[z], s);
	}
}
void loadscreen(string nam) {
	assign(f, nam);
	reset(f, 1);
	blockread(f, check, 41);
	blockread(f, check, 13);
	blockread(f, check, 31);
	s = imagesize(0, 0, getmaxx(), 75);
	for (z = 1; z <= 2; z ++) {
		getmem(a[z], s);
		blockread(f, a[z], s);
		setactivepage(0);
		putimage(0, 15 + (z - 1) * 75, a[z], 0);
		freemem(a[z], s);
	}
	close(f);
}
int main(int argc, const char *argv[]) {
	pio_initialize(argc, argv);
	gd = 3;
	gm = 0;
	x = 0;
	y = 0;
	initgraph(gd, gm, "o:");
	loadscreen("v:legion.avd");
	while (y < 100) {
		switch (getpixel(x, y)) {
		case 7:
			putpixel(x, y, 0);
			break;
		case 8:
			putpixel(x, y, 0);
			break;
		case 9:
			putpixel(x, y, 15);
			break;
		}
		x += 1;
		if (x > 640)  {
			y += 1;
			x = 0;
		}
	}
	savesc();
	return EXIT_SUCCESS;
}

} // End of namespace Avalanche.