CommandList.hpp

#pragma once
 
#include <string>
#include <vector>
#include "EngineCore/ECS/Entity.hpp"
 
namespace Grindstone {
    namespace SceneManagement {
        class Scene;
    }
 
    namespace Editor {
        class BaseCommand {
        public:
            virtual void Redo() = 0;
            virtual void Undo() = 0;
            virtual ~BaseCommand() {}
        };
        
        class CommandList {
        public:
            CommandList();
            void AddNewEntity(SceneManagement::Scene* scene);
            void AddComponent(
                ECS::Entity entity,
                const char* componentName
            );
            void SetUndoCount(size_t undoCount);
            void AddCommand(BaseCommand* command);
            bool HasAvailableUndo();
            bool HasAvailableRedo();
            bool Redo();
            bool Undo();
        private:
            size_t GetNextNumber(size_t originalNumber);
            size_t GetPreviousNumber(size_t originalNumber);
        private:
            std::vector<BaseCommand*> commands;
            bool canUndo = false;
            bool canRedo = false;
            size_t commandIndex = 0;
            size_t stackBeginIndex = 0;
            size_t stackEndIndex = 0;
            size_t usedCommandCount = 0;
        };
    }
}