LayerStack.h

#ifndef LAYERSTACK_H
#define LAYERSTACK_H

#pragma once
#include "Layers.h"
#include <vector>
#include <algorithm>

namespace CC

{

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

        void PushLayer(Layers* layers);
        void PushOverlay(Layers* layers);
        void PopLayer(Layers* layers);
        void PopOverlay(Layers* layers);

        std::vector<Layers*>::iterator begin(){ return m_Layers.begin();}
        std::vector<Layers*>::iterator end(){ return m_Layers.end();}

		std::vector<Layers*>::reverse_iterator rbegin() { return m_Layers.rbegin(); }
		std::vector<Layers*>::reverse_iterator rend() { return m_Layers.rend(); }

		std::vector<Layers*>::const_iterator begin() const { return m_Layers.begin(); }
		std::vector<Layers*>::const_iterator end()	const { return m_Layers.end(); }
		std::vector<Layers*>::const_reverse_iterator rbegin() const { return m_Layers.rbegin(); }
		std::vector<Layers*>::const_reverse_iterator rend() const { return m_Layers.rend(); }
    private:
        std::vector<Layers*> m_Layers;
        unsigned int m_LayerInsertIndex = 0;
    };

}

#endif