mirror of
https://github.com/RHeavenStudioPlus/HeavenStudioPlus.git
synced 2024-12-04 23:37:27 +00:00
75 lines
No EOL
1.7 KiB
C#
75 lines
No EOL
1.7 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using HeavenStudio.Editor.Commands;
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namespace HeavenStudio.Editor
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{
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public class CommandManager : MonoBehaviour
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{
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private Stack<IAction> historyStack = new Stack<IAction>();
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private Stack<IAction> redoHistoryStack = new Stack<IAction>();
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int maxItems = 128;
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public bool canUndo()
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{
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return historyStack.Count > 0;
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}
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public bool canRedo()
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{
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return redoHistoryStack.Count > 0;
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}
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public static CommandManager instance { get; private set; }
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private void Awake()
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{
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instance = this;
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}
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public void Execute(IAction action)
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{
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action.Execute();
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historyStack.Push(action);
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redoHistoryStack.Clear();
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}
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public void Undo()
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{
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if (!canUndo() || Conductor.instance.NotStopped()) return;
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if (historyStack.Count > 0)
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{
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redoHistoryStack.Push(historyStack.Peek());
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historyStack.Pop().Undo();
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}
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}
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public void Redo()
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{
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if (!canRedo() || Conductor.instance.NotStopped()) return;
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if (redoHistoryStack.Count > 0)
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{
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historyStack.Push(redoHistoryStack.Peek());
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redoHistoryStack.Pop().Redo();
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}
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}
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// this is here as to not hog up memory, "max undos" basically
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private void EnsureCapacity()
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{
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if (maxItems > 0)
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{
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}
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}
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public void Clear()
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{
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historyStack.Clear();
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redoHistoryStack.Clear();
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}
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}
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} |