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/* bzflag
* Copyright (c) 1993-2025 Tim Riker
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the license found in the file
* named COPYING that should have accompanied this file.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef _TEXTURE_MATRIX_H_
#define _TEXTURE_MATRIX_H_
#include "common.h"
/* system interface headers */
#include <string>
#include <vector>
#include <iostream>
class TextureMatrix
{
public:
TextureMatrix();
~TextureMatrix();
void finalize();
const float* getMatrix() const;
bool setName (const std::string& name);
// the static parameters
void setStaticSpin (float rotation);
void setStaticShift (float u, float v);
void setStaticScale (float u, float v);
void setStaticCenter (float u, float v);
// the dynamic parameters
void setDynamicSpin (float freq);
void setDynamicShift (float uFreq, float vFreq);
void setDynamicScale (float uFreq, float vFreq,
float uSize, float vSize);
void setDynamicCenter (float u, float v);
void update(double time);
const std::string& getName() const;
int packSize() const;
void* pack(void*) const;
const void* unpack(const void*);
void print(std::ostream& out, const std::string& indent) const;
private:
std::string name;
// time invariant
bool useStatic;
float staticMatrix[3][2];
float rotation;
float uFixedShift, vFixedShift;
float uFixedScale, vFixedScale;
float uFixedCenter, vFixedCenter;
// time varying
bool useDynamic;
float spinFreq;
float uShiftFreq, vShiftFreq;
float uScaleFreq, vScaleFreq;
float uScale, vScale;
float uCenter, vCenter;
// the final result
float matrix[4][4];
};
inline const float* TextureMatrix::getMatrix() const
{
return (const float*) matrix;
}
class TextureMatrixManager
{
public:
TextureMatrixManager();
~TextureMatrixManager();
void update();
void clear();
int addMatrix(TextureMatrix* matrix);
int findMatrix(const std::string& name) const;
const TextureMatrix* getMatrix(int id) const;
int packSize() const;
void* pack(void*) const;
const void* unpack(const void*);
void print(std::ostream& out, const std::string& indent) const;
private:
std::vector<TextureMatrix*> matrices;
};
extern TextureMatrixManager TEXMATRIXMGR;
#endif //_TEXTURE_MATRIX_H_
// Local Variables: ***
// mode: C++ ***
// tab-width: 4 ***
// c-basic-offset: 4 ***
// indent-tabs-mode: nil ***
// End: ***
// ex: shiftwidth=4 tabstop=4
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