mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-22 09:49:11 +00:00
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
/* 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.
|
|
*
|
|
*/
|
|
|
|
#if defined(ENABLE_EOB) || defined(ENABLE_LOL)
|
|
|
|
#include "kyra/kyra_rpg.h"
|
|
|
|
namespace Kyra {
|
|
|
|
int KyraRpgEngine::getBlockDistance(uint16 block1, uint16 block2) {
|
|
int b1x = block1 & 0x1F;
|
|
int b1y = block1 >> 5;
|
|
int b2x = block2 & 0x1F;
|
|
int b2y = block2 >> 5;
|
|
|
|
uint8 dy = ABS(b2y - b1y);
|
|
uint8 dx = ABS(b2x - b1x);
|
|
|
|
if (dx > dy)
|
|
SWAP(dx, dy);
|
|
|
|
return (dx >> 1) + dy;
|
|
}
|
|
|
|
} // namespace Kyra
|
|
|
|
#endif
|