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/*
* AbstractEndianHandler.java
* Copyright (C) 2003
*
* $Id: EndianHandler.java,v 1.2 2004-07-08 15:58:43 hzi Exp $
*/
/*
Copyright (C) 1997-2001 Id Software, Inc.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package jake2.game;
public abstract class EndianHandler
{
private static final int mask = 0xFF;
abstract public float BigFloat(float f);
abstract public short BigShort(short s);
abstract public int BigLong(int i);
abstract public float LittleFloat(float f);
abstract public short LittleShort(short s);
abstract public int LittleLong(int i);
public static float swapFloat(float f)
{
int i = Float.floatToRawIntBits(f);
i = swapInt(i);
f = Float.intBitsToFloat(i);
return f;
}
public static int swapInt(int i)
{
int a = i & mask;
i >>>= 8;
a <<= 24;
int b = i & mask;
i >>>= 8;
b <<= 16;
int c = i & mask;
i >>>= 8;
c <<= 8;
return i | c | b | a;
}
public static short swapShort(short s)
{
int a = s & mask;
a <<= 8;
int b = (s >>> 8) & mask;
return (short) (b | a);
}
}
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