73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_CORE_ENTTSYSTEMGRAPH_HPP
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#define NAZARA_CORE_ENTTSYSTEMGRAPH_HPP
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#include <NazaraUtils/Prerequisites.hpp>
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#include <Nazara/Core/Clock.hpp>
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#include <Nazara/Core/Config.hpp>
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#include <NazaraUtils/MovablePtr.hpp>
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#include <entt/entt.hpp>
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#include <functional>
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#include <unordered_map>
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#include <vector>
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namespace Nz
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{
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class NAZARA_CORE_API EnttSystemGraph
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{
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public:
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inline EnttSystemGraph(entt::registry& registry);
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EnttSystemGraph(const EnttSystemGraph&) = delete;
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EnttSystemGraph(EnttSystemGraph&&) = delete;
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~EnttSystemGraph() = default;
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template<typename T, typename... Args> T& AddSystem(Args&&... args);
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template<typename T> T& GetSystem() const;
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template<typename T> void RemoveSystem();
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void Update();
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void Update(Time elapsedTime);
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EnttSystemGraph& operator=(const EnttSystemGraph&) = delete;
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EnttSystemGraph& operator=(EnttSystemGraph&&) = delete;
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private:
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struct NAZARA_CORE_API NodeBase
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{
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virtual ~NodeBase();
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virtual void Update(Time elapsedTime) = 0;
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Int64 executionOrder;
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};
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template<typename T>
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struct Node : NodeBase
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{
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template<typename... Args> Node(Args&&... args);
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void Update(Time elapsedTime) override;
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T system;
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};
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std::unordered_map<entt::id_type, std::size_t /*nodeIndex*/> m_systemToNodes;
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std::vector<NodeBase*> m_orderedNodes;
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std::vector<std::unique_ptr<NodeBase>> m_nodes;
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entt::registry& m_registry;
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Nz::HighPrecisionClock m_clock;
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bool m_systemOrderUpdated;
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};
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}
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#include <Nazara/Core/EnttSystemGraph.inl>
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#endif // NAZARA_CORE_ENTTSYSTEMGRAPH_HPP
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