LayerStack.h

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#pragma once
#include <vector>
 
namespace Elevate
{
    class Layer;
 
    class LayerStack
    {
    public:
        LayerStack();
        ~LayerStack();
 
        void PushLayer(Layer* layer);
        void PushOverlay(Layer* overlay);
        void PopLayer(Layer* layer);
        void PopOverlay(Layer* overlay);
 
        std::vector<Layer*>::iterator begin() { return m_Layers.begin(); }
        std::vector<Layer*>::iterator end() { return m_Layers.end(); }
 
    private:
        std::vector<Layer*> m_Layers;
        unsigned int m_LayerInsertIndex = 0;
    };
}