Miscellany

/*-----------------------------------------------------------------------------*| headerfile TLTMesh.h                                                         ||                                                                              || version 1.00                                                                 || date: (17.04.2007)                                                           ||                                                                              || author:  Michal Švantner                                                     ||                                                                              || Some structures used for Tiled Terrain                                       || Writen for Irrlicht engine version 1.3                                       |*-----------------------------------------------------------------------------*/#ifndef TLTMESH_H#define TLTMESH_H#include <irrlicht.h>using namespace irr;// dynamic 2d arraytemplate <class T> class array2d{    T** data;    u32 w, h;    public:    array2d() : w(0), h(0) {}        array2d(int width, int height) : w(width), h(height)    {        data = new T*[w];        for(int i=0; i<w; i++) data[i] = new T[h];    }        virtual void reset(int width, int height)    {        if(w && h)        {            for(int i=0; i<w; i++) delete data[i];            delete [] data;        }                if(width && height)        {            w = width;            h = height;                    data = new T*[w];            for(int i=0; i<w; i++) data[i] = new T[h];        }        else        {            w = 0;            h = 0;        }    }        ~array2d()    {        if(w && h)        {            for(int i=0; i<w; i++) delete data[i];            delete [] data;        }    }        virtual T& operator ()(u32 index1, u32 index2)    {        return data[index1][index2];    }        virtual u32 width() {return w;}        virtual u32 height() {return h;}};// enumeration of tile verticesenum TILE_VERTEX{    LOWER_LEFT = 0,    UPPER_LEFT,    UPPER_RIGHT,    LOWER_RIGHT,};// structure holding pointers to 4 vertices of tile// makes possible to acces vertex data based on tile structurestruct TlTTile{    video::S3DVertex2TCoords* Vertex[4];};// structure holding texture coordinates of tilestruct TlTCoords{    core::vector2d<f32> Vertex[4];};// structure which holds some data about spot on tiled terrainstruct TlTData{    f32 Height;    core::vector3df Normal;    video::SColor Color;};// structure which is used as meshbuffer for Tiled Terrainstruct TlTSector{    // position relative to whole mesh of which sector is part in tiles    core::vector2d<s32> Offset;        // dimension of sector in tiles    core::dimension2d<u32> Size;        // array of vertices    core::array<video::S3DVertex2TCoords> Vertex;        // array of indices	core::array<u16> Index;		// axis aligned bounding box	core::aabbox3d<f32> BoundingBox;		// update texture flag	bool UpdateTexture;		// update vertices flag	bool UpdateVertices;		// vissibility flag	bool isVissible;};#endif