Terrain.h

#ifndef Terrain_H
#define Terrain_H
 
#include "AzulCore.h"
class Collidable;
class CollisionVolume;
class CollisionVolumeAABB;

class Terrain
{
public:
    Terrain() = delete;
    Terrain(const Terrain&) = delete;
    Terrain& operator=(const Terrain&) = delete;
    ~Terrain();

    Terrain(const char* heightmapFile, float sideLength, float maxHeight, float worldZeroAltitude, std::string texture, float uRep, float vRep);
    
    void ShowCellBelow(const Vect& pos) const;
    
    Vect GetHeight(const Vect& pos);
    
    Vect GetHeightAndNormal(const Vect& pos, Vect& outNormal);
    
    const CollisionVolumeAABB& GetCellAABB(int x, int z) const;
    
    void GetCoveredCells(const CollisionVolume& vol, int& xMin, int& zMin, int& xMax, int& zMax) const;
    
    int GetMaxCellIndex() const;

    float GetSideLen() const;
    
    int GetImgSize() const;

    void EnableWireframe(bool enable);

    void EnableMinMax(bool enable);
 
private:
    friend class TerrainAttorney;

    void Draw();

    int VertexIndex(int i, int j);
    
    int PixelIndex(int i, int j);
    
    int TriIndex(int i, int j);
 
    float GetCellX(int j) const;
    float GetCellZ(int i) const;
    float GetCellLength() const;
 
    GraphicsObject_WireframeAutoColor* pWireframe; 
    GraphicsObject_TextureFlat* pGOTerrain; 
    Model* pModelTerrain; 
 
    VertexStride_VUN* pVerts; 
    TriangleIndex* tlist; 
    int imgSize; 
    float sideLen; 
 
    struct CellMinMax 
    {
        float minY;
        float maxY;
    };
    CellMinMax* cellBounds; 
    CollisionVolumeAABB* cellAABBs; 
    bool wireframeEnabled; 
    bool minmaxEnabled; 
};
 
#endif