50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
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#pragma once
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#include <memory>
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#include <Helpers/NetworkingObjects/NetObjID.hpp>
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#include <unordered_map>
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#include <deque>
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class World;
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class WorldUndoManager;
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class WorldUndoAction {
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public:
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virtual bool undo(WorldUndoManager& undoMan) = 0;
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virtual bool redo(WorldUndoManager& undoMan) = 0;
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virtual void scale_up(const WorldScalar& scaleAmount);
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virtual ~WorldUndoAction();
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};
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class WorldUndoManager {
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public:
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typedef uint64_t UndoObjectID;
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WorldUndoManager(World& initWorld);
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void push(std::unique_ptr<WorldUndoAction> undoAction);
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void undo();
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void redo();
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void clear();
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bool can_undo();
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bool can_redo();
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void scale_up(const WorldScalar& scaleAmount);
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void reassign_netid(const NetworkingObjects::NetObjID& oldNetObjID, const NetworkingObjects::NetObjID& newNetObjID);
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void remove_by_netid(const NetworkingObjects::NetObjID& netObjID);
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void remove_by_undoid(UndoObjectID undoID);
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UndoObjectID register_new_netobj(const NetworkingObjects::NetObjID& netObjID);
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std::optional<NetworkingObjects::NetObjID> get_netid_from_undoid(UndoObjectID undoID);
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World& world;
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private:
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void push_undo(std::unique_ptr<WorldUndoAction> undoAction);
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void push_redo(std::unique_ptr<WorldUndoAction> undoAction);
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constexpr static size_t UNDO_QUEUE_LIMIT = 500;
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std::unordered_map<UndoObjectID, NetworkingObjects::NetObjID> undoIDToNetID;
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std::unordered_map<NetworkingObjects::NetObjID, UndoObjectID> netIDToUndoID;
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std::deque<std::unique_ptr<WorldUndoAction>> undoQueue;
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std::deque<std::unique_ptr<WorldUndoAction>> redoQueue;
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UndoObjectID lastUndoObjectID = 0;
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};
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