CelestiaContent/src/dispmap.h

51 lines
1.2 KiB
C++

// dispmap.h
//
// Copyright (C) 2001, Chris Laurel <claurel@shatters.net>
//
// 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.
#ifndef _DISPMAP_H_
#define _DISPMAP_H_
#include <string>
#include "vecmath.h"
typedef float (*DisplacementMapFunc)(float, float, void*);
class DisplacementMap
{
public:
DisplacementMap(int w, int h);
~DisplacementMap();
int getWidth() const { return width; };
int getHeight() const { return height; };
inline float getDisplacement(int x, int y) const;
inline void setDisplacement(int x, int y, float d);
void generate(DisplacementMapFunc func, void* info = NULL);
void clear();
private:
int width;
int height;
float* disp;
};
// extern DisplacementMap* LoadDisplacementMap(std::string filename);
float DisplacementMap::getDisplacement(int x, int y) const
{
return disp[y * width + x];
}
void DisplacementMap::setDisplacement(int x, int y, float d)
{
disp[y * width + x] = d;
}
#endif // _DISPMAP_H_