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Initial commit of Command & Conquer Renegade source code.

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LFeenanEA
2025-02-27 16:39:46 +00:00
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Code/Tools/LightMap/PerlinNoise.h Normal file
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/*
** Command & Conquer Renegade(tm)
** Copyright 2025 Electronic Arts 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/>.
*/
/***********************************************************************************************
*** Confidential - Westwood Studios ***
***********************************************************************************************
* *
* Project Name : LightMap *
* *
* $Archive:: /Commando/Code/Tool $*
* *
* $Author:: Ian_l $*
* *
* $Modtime:: 9/08/00 5:09p $*
* *
* $Revision:: 2 $*
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#ifndef PERLIN_NOISE_H
#define PERLIN_NOISE_H
// Includes.
#include "ProceduralTexture.h"
#include "Vector3.h"
// Defines.
#define NOISE_TABLE_SIZE 256 // NOTE: Must be a power of 2.
#define NOISE_TABLE_MASK NOISE_TABLE_SIZE - 1
class PerlinNoise : public ProceduralTexture {
public:
PerlinNoise();
float Value (const Vector3 &point);
protected:
float SmoothStep (float x) {return (x * x * (3.0f - (2.0f * x)));}
float Noise (int x, int y, int z);
float Noise (const Vector3 &point);
private:
static float _NoiseTable [NOISE_TABLE_SIZE];
};
#endif // PERLIN_NOISE_H