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https://github.com/libretro/scummvm.git
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47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#if defined(ENABLE_EOB) || defined(ENABLE_LOL)
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#include "kyra/kyra_rpg.h"
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namespace Kyra {
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int KyraRpgEngine::getBlockDistance(uint16 block1, uint16 block2) {
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int b1x = block1 & 0x1F;
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int b1y = block1 >> 5;
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int b2x = block2 & 0x1F;
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int b2y = block2 >> 5;
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uint8 dy = ABS(b2y - b1y);
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uint8 dx = ABS(b2x - b1x);
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if (dx > dy)
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SWAP(dx, dy);
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return (dx >> 1) + dy;
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}
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} // namespace Kyra
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#endif
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