/* 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"
/*#include "Crt.h"*/

namespace Avalanche {

integer gd,gm;

void flash(integer x1,integer y1,integer x2,integer y2)
{;
 setcolor(14); rectangle(x1,y1,x2,y2);
 sound(x1+x2); delay(100); nosound; delay(500);
 setcolor( 9); rectangle(x1,y1,x2,y2); delay(500);
}

boolean dropin(integer xc,integer yc,integer x1,integer y1,integer x2,integer y2)
/* Dropin returns True if the point xc,yc falls within the 1-2 rectangle. */
{boolean dropin_result;
;
 dropin_result=((xc>=x1) && (xc<=x2) && (yc>=y1) && (yc<=y2));
return dropin_result;
}

void test(integer x1,integer y1,integer x2,integer y2,integer x3,integer y3,integer x4,integer y4)
{;
 cleardevice();
 rectangle(x1,y1,x2,y2);
 rectangle(x3,y3,x4,y4);
 flash(x1,y1,x2,y2);
 flash(x3,y3,x4,y4);

 if (dropin(x3,y3,x1,y1,x2,y2)
 || dropin(x3,y4,x1,y1,x2,y2)
 || dropin(x4,y3,x1,y1,x2,y2)
 || dropin(x4,y4,x1,y1,x2,y2)) 
 {;     /* Overlaps */
  flash(x1,y1,x4,y4);
 } else
 {;     /* Doesn't overlap- flash 'em both again */
  flash(x3,y3,x4,y4); /* backwards- why not...? */
  flash(x1,y1,x2,y2);
 }
}

int main(int argc, const char* argv[])
{pio_initialize(argc, argv);
;
 gd=3; gm=1; initgraph(gd,gm,""); setcolor(9);
 test(100,50,200,100,400,200,600,250);
 test(100,50,200,100,120, 70,220,120);
 test(100,50,200,100,150, 50,250,100);
return EXIT_SUCCESS;
}

} // End of namespace Avalanche.