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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _SMF_GROUND_TEXTURES_H_
#define _SMF_GROUND_TEXTURES_H_
#include "Map/BaseGroundTextures.h"
#include "Rendering/GL/PBO.h"
class CSMFMapFile;
class CSMFReadMap;
class CSMFGroundTextures: public CBaseGroundTextures
{
public:
CSMFGroundTextures(CSMFReadMap* rm);
~CSMFGroundTextures();
void DrawUpdate();
bool SetSquareLuaTexture(int texSquareX, int texSquareY, int texID);
bool GetSquareLuaTexture(int texSquareX, int texSquareY, int texID, int texSizeX, int texSizeY, int texMipLevel);
void BindSquareTexture(int texSquareX, int texSquareY);
protected:
void LoadTiles(CSMFMapFile& file);
void LoadSquareTextures(const int mipLevel);
void ConvolveHeightMap(const int mapWidth, const int mipLevel);
bool RecompressTiles(bool canRecompress);
void ExtractSquareTiles(const int texSquareX, const int texSquareY, const int mipLevel, GLint* tileBuf) const;
void LoadSquareTexture(int x, int y, int level);
inline bool TexSquareInView(int, int) const;
CSMFReadMap* smfMap;
private:
struct GroundSquare {
unsigned int texLevel;
unsigned int textureID;
unsigned int lastBoundFrame;
bool luaTexture;
};
std::vector<GroundSquare> squares;
std::vector<int> tileMap;
std::vector<char> tiles;
// FIXME? these are not updated at runtime
std::vector<float> heightMaxima;
std::vector<float> heightMinima;
std::vector<float> stretchFactors;
// use Pixel Buffer Objects for async. uploading (DMA)
PBO pbo;
int tileTexFormat;
};
#endif // _BF_GROUND_TEXTURES_H_
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