TextureAtlas.h

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#ifndef GlobeEngine_TextureAtlas_h
#define GlobeEngine_TextureAtlas_h

#include "OpenGL_Includes.h"
#include <iostream>
#include <vector>
#include <vmmlib/vmmlib.hpp>
#include "OpenGL_Includes.h"

namespace ge {
    /*
    *   A texture atlas provides a 2D grid of textures which can
    *   accessed over x,y coordinates
    */
    class TextureAtlas
    {
        
    public:
        TextureAtlas() { clear(); };
        ~TextureAtlas() {};
        void clear();
        void create(vmml::Vector2ui _sizes);
        
        /* texture atlas filling */
        GLuint loadAsynchFloat(int _width, int _height, float* _data);
        void addTexture(GLuint _handle);
        GLuint locateHandleAtCoordinate(vmml::Vector2d _pos);
        
        GLuint getTextureHandle(GLuint _index);
        
        /* double _min_x, double _min_y, double _max_x, double _max_y */
        void setBounds(vmml::Vector4d _bounds);
        void print();
    private:
        std::vector<GLuint> handles;
        vmml::Vector2ui sizes;
        vmml::Vector4d bounds;
    };
}
#endif