Michael Bayne
1f8c4578b7
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3098 542714f4-19e9-0310-aa3c-eee0fc999fb1
54 lines
1.7 KiB
Java
54 lines
1.7 KiB
Java
//
|
|
// $Id: TileUtil.java,v 1.6 2004/08/27 02:12:41 mdb Exp $
|
|
//
|
|
// Narya library - tools for developing networked games
|
|
// Copyright (C) 2002-2004 Three Rings Design, Inc., All Rights Reserved
|
|
// http://www.threerings.net/code/narya/
|
|
//
|
|
// 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.media.tile;
|
|
|
|
/**
|
|
* Miscellaneous utility routines for working with tiles.
|
|
*/
|
|
public class TileUtil
|
|
{
|
|
/**
|
|
* Generates a fully-qualified tile id given the supplied tileset id
|
|
* and tile index.
|
|
*/
|
|
public static int getFQTileId (int tileSetId, int tileIndex)
|
|
{
|
|
return (tileSetId << 16) | tileIndex;
|
|
}
|
|
|
|
/**
|
|
* Extracts the tile set id from the supplied fully qualified tile id.
|
|
*/
|
|
public static int getTileSetId (int fqTileId)
|
|
{
|
|
return (fqTileId >> 16);
|
|
}
|
|
|
|
/**
|
|
* Extracts the tile index from the supplied fully qualified tile id.
|
|
*/
|
|
public static int getTileIndex (int fqTileId)
|
|
{
|
|
return (fqTileId & 0xFFFF);
|
|
}
|
|
}
|