Mesh.h

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#pragma once

#include "GL/glew.h"
#include <string>
#include "Primitives.h"
#include "../Maths/Vec3.h"

class Mesh
{   
public:

    Mesh(std::string objFileName);

    Mesh(Primitives::PrimativeType primType);

    Mesh(std::string fileName, bool heightmap);

    Mesh(std::string objFileName, std::string textureFileName);

    Mesh(std::string fileName, std::string textureFileName, bool heightmap);

    ~Mesh();
    
    GLuint getVAO();

    GLuint getTextureID();

    unsigned int getNumberOfVertices();

    Vec3 getMaxVert() { return maxVert; }

    Vec3 getMinVert() { return minVert; }

    unsigned int getNumIndices() { 
        return numberOfIndices; 
    };

    bool checkHeightmap() { return heightmap; }

    bool checkPrimitive() { return primative; }

private:
    GLuint vertexArrayObject;
    GLuint indexBuffer;
    GLuint textureBuffer;

    unsigned int numberOfVertices;
    unsigned int numberOfIndices;
    std::string textureFileName;
    GLuint textureID;
    Vec3 maxVert;
    Vec3 minVert;
    bool heightmap;
    bool primative;

    void initialiseTexture(std::vector<float> vertexTextures);

    void initialiseVAO(std::string fileName);

    GLuint initaliseIndicies(std::vector<unsigned int> &inIndices);

    GLuint initaliseVBO(unsigned int vecNum, std::vector<float> &inVBOData, int linkNum);

    void calculateMaxAndMinVerticies(std::vector<float> &vertices);
};