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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, 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 3 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, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef hsNoiseFunc_inc
#define hsNoiseFunc_inc
#include "hsRefCnt.h"
#include "hsScalar.h"
struct hsPoint3;
class hsNoiseFunc : public hsRefCnt // should inherit from keyed object
{
public:
hsNoiseFunc();
virtual ~hsNoiseFunc();
virtual void Seed(UInt32 s);
virtual hsScalar Noise(hsScalar lo=0, hsScalar hi=hsScalar1, hsScalar t=0) = 0; // t = [0..1] - returns random num [lo..hi] scaled by fTable[t]
virtual hsScalar NoisePoint(const hsPoint3& p, hsScalar lo=0, hsScalar hi=hsScalar1, hsScalar t=0) = 0; // t = [0..1] - returns random num [lo..hi] scaled by fTable[t]
};
class hsTableNoise : public hsNoiseFunc // should inherit from keyed object
{
protected:
hsScalar* fTable;
UInt32 fTableLen;
public:
hsTableNoise();
virtual ~hsTableNoise();
void SetTable(int len, hsScalar* arr); // copies. arr should be hsScalars in range [0..1]
hsScalar* GetTable(int& len) { len = fTableLen; return fTable; } // should be debug only, access through noise func
virtual hsScalar Noise(hsScalar lo=0, hsScalar hi=hsScalar1, hsScalar t=0); // t = [0..1] - returns random num [lo..hi] scaled by fTable[t]
virtual hsScalar NoisePoint(const hsPoint3& p, hsScalar lo=0, hsScalar hi=hsScalar1, hsScalar t=0); // t = [0..1] - returns random num [lo..hi] scaled by fTable[t]
};
#endif // hsNoiseFunc_inc