source: orxonox.OLD/orxonox/branches/nico/src/importer/heightMapTerrain.h @ 3542

/*
 *  ldrawparser.h
 *  legotown3d
 *
 *  Created by Nico Bernold on 08.01.05.
 *  Copyright 2005 __MyCompanyName__. All rights reserved.
 *
 */

#include <iostream>
using namespace std;

#include "../stdincl.h"

class HeightMapTerrain
{
public:
        HeightMapTerrain();
        ~HeightMapTerrain();    

        bool loadBitmap(char* fileName);
        
        bool createDisplayLists(int width, int height, int levelOfDetail);
        
        bool readIntoList(int left, int top, int width, int height, int levelOfDetail, GLuint displayListNr);

        // how many display lists are there
        int displayListCount;
        
        // tells from which integer our display lists start
        GLuint displayListStart;
        
        // array of display lists
        //GLuint* displayLists;

private:
        // returns the height value between 0 and 256 for a point (x,z) in the picture
        GLint getHeightValue(int x, int z);
        
        // makes a call to glNormal and glVertex for supplied x and z
        void call_glNormal_and_glVertex(int x,int z,int top,int left,int height);

        // holds the loaded pixels
        SDL_Surface* bitmap;
        
        // holds normal vector for every vertex
        Vector* normals;
};