#ifndef ASCIIENTITY_H
#define ASCIIENTITY_H

#include <glew/glew.h>
#include <glm/vec2.hpp>
#include <glm/vec4.hpp>
#include <glm/mat4x4.hpp>
#include "material.h"
#include "resourcebase.h"

class Texture;

#include "entity.h"

class ASCIIMaterial : public Material
{
    Texture* glyphMap;
    glm::vec4 backColor;
    glm::vec4 fontColor;

public:
    ASCIIMaterial(Texture* myGlyphMap = NULL,
                  glm::vec4 myBackColor = glm::vec4(1, 1, 1, 0),
                  glm::vec4 myFontColor = glm::vec4(0)) :
        glyphMap(myGlyphMap),
        backColor(myBackColor),
        fontColor(myFontColor)
    {
        shader = ResourceBase::getShader("ascii");
    }

    virtual void bindAttributes();
};

class ASCIIEntity : public Entity
{
    GLuint rows;
    GLuint columns;
    char* textBuffer;

    glm::vec2 position;
    glm::vec2 size;
    glm::mat4 modelView;

    ASCIIMaterial* mat;

    void updateModelView();

public:
    ASCIIEntity(int nbRows = 10, int nbColumns = 40, ASCIIMaterial* myMat = NULL) :
        position(glm::vec2(0)),
        size(glm::vec2(1)),
        mat(myMat),
        rows(nbRows),
        columns(nbColumns)
    {
        textBuffer = new char[rows*columns];
        // TODO set all chars to ' '
        updateModelView();
    }

    virtual void draw(const glm::mat4 viewMatrix, const glm::mat4 projectionMatrix);
};

#endif // ASCIIENTITY_H