38f1ddb...178a853: v0.8.9.1, removed content folder

2019-03-18 19:46:58 +02:00
parent 38f1ddb6fe
commit 6c0679c297
1054 changed files with 151673 additions and 144931 deletions
@@ -0,0 +1,50 @@
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Barotrauma
+{
+    public class Memento<T>
+    {
+        public T Current { get; private set; }
+
+        private Stack<T> undoStack = new Stack<T>();
+        private Stack<T> redoStack = new Stack<T>();
+
+        public void Store(T newState)
+        {
+            redoStack.Clear();
+            if (Current != null && !Current.Equals(default(T)))
+            {
+                undoStack.Push(Current);
+            }
+            Current = newState;
+        }
+
+        public T Undo()
+        {
+            if (undoStack.Any())
+            {
+                redoStack.Push(Current);
+                Current = undoStack.Pop();
+            }
+            return Current;
+        }
+
+        public T Redo()
+        {
+            if (redoStack.Any())
+            {
+                undoStack.Push(Current);
+                Current = redoStack.Pop();
+            }
+            return Current;
+        }
+
+        public void Clear()
+        {
+            undoStack.Clear();
+            redoStack.Clear();
+            Current = default(T);
+        }
+    }
+}