Graph.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "Forward.hpp"
 
#include "CeresEngine/Foundation/SmartPtr.hpp"
#include "CeresEngine/Foundation/Event.hpp"
#include "CeresEngine/Foundation/String.hpp"
#include "CeresEngine/Foundation/Container/Map.hpp"
#include "CeresEngine/Foundation/Container/Vector.hpp"
 
namespace CeresEngine {
 
    class Graph : public RefCounted<Graph> {
    private:
        Vector<GraphNodePtr> mNodes;
 
    public:
        Event<void()> onChange;
 
        Event<void(GraphNode&)> onNodeAdded;
        Event<void(GraphNode&)> onNodeRemoved;
 
    public:
        explicit Graph() = default;
        virtual ~Graph() noexcept = default;
 
    public: // Node Management
        [[nodiscard]] GraphNode* getNode(StringView name) const;
 
        [[nodiscard]] const Vector<GraphNodePtr>& getNodes() const noexcept { return mNodes; }
 
        void addNode(GraphNode& node);
 
        template<typename T, typename... Args> [[nodiscard]] T& addNode(Args&&... args) requires(std::is_base_of_v<GraphNode, T>) {
            const RC<T> node = ce_counted_new<T>(*this, std::forward<Args>(args)...);
            addNode(*node);
            return *node;
        }
 
        void removeNode(GraphNode& node);
 
    public: // Easy connections
        GraphConnection* connect(GraphSocket& outputSocket, GraphSocket& inputSocket);
 
    public:
        GraphInstancePtr instantiate();
    };
 
} // namespace CeresEngine