public class ColorChangeCommand : ICommand
{
private Stack<Color> m_OriginColor = new Stack<Color>();
private Color m_Color;
private Material m_Material;
public ColorChangeCommand(Color color, Material material)
{
m_Color = color;
m_Material = material;
}
public void Execute()
{
m_OriginColor.Push(m_Material.color);
m_Material.color = m_Color;
}
public void UnDo()
{
m_Material.color = m_OriginColor.Pop();
}
}
五、移动命令脚本
public class MoveCommand : ICommand
{
private Vector3 m_Offset;
private Transform m_Object;
public MoveCommand(Transform obj, Vector3 offset)
{
this.m_Object = obj;
this.m_Offset = offset;
}
public void Execute()
{
m_Object.transform.position += m_Offset;
}
public void UnDo()
{
m_Object.transform.position -= m_Offset;
}
}
六、转换命令脚本
public class RemoteControl : MonoBehaviour {
public Button ctrlBtn;
public Button undoBtn;
public Text ctrlName;
private ICommand icommand;
public Stack<UnityAction> undoFunctions = new Stack<UnityAction>();
void Awake(){
ctrlBtn.onClick.AddListener(OnCtrlBtnClicked);
undoBtn.onClick.AddListener(OnUnDoBtnClicked);
}
public void SetText(string textinfo)
{
ctrlName.text = textinfo;
}
public void SetCommond(ICommand icommand)
{
this.icommand = icommand;
}
/// <summary>
/// 执行
/// </summary>
public void OnCtrlBtnClicked()
{
if (icommand != null)
{
icommand.Execute();
undoFunctions.Push(icommand.UnDo);
}
}
/// <summary>
/// 撤销
/// </summary>
private void OnUnDoBtnClicked()
{
if (undoFunctions.Count > 0)
{
undoFunctions.Pop().Invoke();
}
}
}
七、文字加载脚本
public class TextChangeCommand : ICommand
{
private Stack<string> lastInfos = new Stack<string>();
private IEnumerator<string> datas;
private TextMesh m_Textmesh;
public TextChangeCommand(TextMesh textMesh,ICollection<string> texts)
{
datas = texts.GetEnumerator();
m_Textmesh = textMesh;
}
public void Execute()
{
if (!datas.MoveNext())
{
datas.Reset();
datas.MoveNext();
}
lastInfos.Push(m_Textmesh.text);
m_Textmesh.text = datas.Current;
}
public void UnDo()
{
m_Textmesh.text = lastInfos.Pop();
}
}
