#ifndef  __JBXL_OS_TERRAIN_TOOL_H_
#define  __JBXL_OS_TERRAIN_TOOL_H_

/**
@brief OpenSimの Terrain用ツール

@file    TerrainTool.h
@author  Fumi.Iseki 
@date    2014 10/5
*/

#include "tools++.h"
#include "xtools.h"
#include "txml.h"

#include "FacetBaseData.h"
#include "Gdata.h"
#include "BrepLib.h"

#include "MeshMaker.h"
#include "MaterialTool.h"
#include "LogDocTool.h"


namespace  jbxl {


#define  TRNT_TEXTURE_SIZE          4096
#define  TRNT_DEFAULT_TEX_SCALE     7.0f



///////////////////////////////////////////////////////////////////////////////////////

struct TerrainTexWeight
{
    float w[4];
};




///////////////////////////////////////////////////////////////////////////////////////
// Terrain Tool Class
//

class TerrainTool
{
public:
    Buffer trnName;         // Terrain name

    int   xsize;            // Region X size
    int   ysize;            // Region Y size
    int   rgnum;            // Region Number
    float scale;            // Texture Scale

    MSGraph<float> r32;     // r32 data

//  Buffer textureFile;     // Texture file name;
    Buffer texture[4];
    Buffer defaultTexture[4];

    float minNW;
    float maxNW;
    float minNE;
    float maxNE;
    float minSW;
    float maxSW;
    float minSE;
    float maxSE;

    float waterHeight;      // Water Height

public:
    TerrainTool(char* name, int xs=256, int ys=256) { init(name, xs, ys);}
    virtual ~TerrainTool(void) {}

    void   init(char* name, int xs=256, int ys=256);
    void   free(void);

    void   set_size (int xs, int ys) { xsize = xs; ysize = ys;}
    void   set_scale(float sc) { scale = sc;}

    float  height(int x, int y) { return r32.gp[(r32.ys-1-y)*r32.xs+x];}
    float  water_height(void)   { return waterHeight;}

public:
    void   ReadSettings(const char* path);
    void   ReadHeightData(const char* path);

    void   GenerateTexture(tList* assets, const char* outpath, bool app_param);
    void   GenerateDae(const char* outpath, Vector<float> offset, bool app_param);

    void   GenerateSTL(const char* outpath, Vector<float> offset, bool binfile=true);

    TerrainTexWeight  GetTextureWeight(int x, int y);

    int    GetDioramaMode(void);
    MSGraph<uByte>  GenerateDioramaTexture (MSGraph<uByte>* vp, int mode);
    MSGraph<uByte>  GenerateWeightedTexture(MSGraph<uByte>* vp);
};



///////////////////////////////////////////////////////////////////////////////////////

TerrainTexWeight  GetTerrainBaseTextureWeight(float h, float min, float max);
int    GetScalingPixel(MSGraph<uByte>* vp, float scale, float x, float y, int col);


}

#endif