com.threerings.puzzle.drop.util.DropBoardUtil Maven / Gradle / Ivy
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//
// $Id$
//
// Vilya library - tools for developing networked games
// Copyright (C) 2002-2012 Three Rings Design, Inc., All Rights Reserved
// http://code.google.com/p/vilya/
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package com.threerings.puzzle.drop.util;
import com.threerings.util.DirectionCodes;
public class DropBoardUtil
implements DirectionCodes
{
/**
* Returns the orientation resulting from rotating the block in the given direction the
* specified number of times.
*
* @param orient the current orientation.
* @param dir the direction to rotate in; one of CW or CCW.
* @param count the number of rotations to perform.
*
* @return the rotated orientation.
*/
public static int getRotatedOrientation (int orient, int dir, int count)
{
for (int ii = 0; ii < (count % 4); ii++) {
orient = getRotatedOrientation(orient, dir);
}
return orient;
}
/**
* Returns the orientation resulting from rotating the block in the given direction.
*
* @param orient the current orientation.
* @param dir the direction to rotate in; one of CW or CCW.
*
* @return the rotated orientation.
*/
public static int getRotatedOrientation (int orient, int dir)
{
return (orient + ((dir == CW) ? 2 : 6)) % DIRECTION_COUNT;
}
}