50 lines
877 B
C++
50 lines
877 B
C++
#pragma once
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namespace lt {
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class Layer;
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class Event;
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class LayerStack
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{
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public:
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template<typename Layer_T, typename... Args>
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void emplace_layer(Args &&...args)
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{
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attach_layer(create_ref<Layer_T>(std::forward<Args>(args)...));
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}
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void attach_layer(Ref<Layer> layer);
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void detach_layer(const Ref<Layer> &layer);
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[[nodiscard]] auto is_empty() const -> bool
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{
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return m_layers.empty();
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}
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[[nodiscard]] auto begin() -> std::vector<Ref<Layer>>::iterator
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{
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return m_layers.begin();
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}
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[[nodiscard]] auto end() -> std::vector<Ref<Layer>>::iterator
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{
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return m_layers.end();
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}
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[[nodiscard]] auto rbegin() -> std::vector<Ref<Layer>>::reverse_iterator
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{
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return m_layers.rbegin();
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}
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[[nodiscard]] auto rend() -> std::vector<Ref<Layer>>::reverse_iterator
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{
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return m_layers.rend();
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}
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private:
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std::vector<Ref<Layer>> m_layers;
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};
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} // namespace lt
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