From 1b64e31951e87355ed4655694da8dde40de30c73 Mon Sep 17 00:00:00 2001
From: Vickvick2002 <vickyworld2002@gmail.com>
Date: Fri, 3 Jan 2025 21:01:39 +0100
Subject: [PATCH] =?UTF-8?q?StateManager=20Klasse=20erstellt=20f=C3=BCr=20R?=
 =?UTF-8?q?edo/=20Undo=20Logik?=
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---
 .../PR2/HitoriSpiel/Domain/StateManager.java  | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Hitori/src/main/java/PR2/HitoriSpiel/Domain/StateManager.java

diff --git a/Hitori/src/main/java/PR2/HitoriSpiel/Domain/StateManager.java b/Hitori/src/main/java/PR2/HitoriSpiel/Domain/StateManager.java
new file mode 100644
index 0000000..2705a93
--- /dev/null
+++ b/Hitori/src/main/java/PR2/HitoriSpiel/Domain/StateManager.java
@@ -0,0 +1,37 @@
+package PR2.HitoriSpiel.Domain;
+
+import java.util.Stack;
+
+public class StateManager {
+    private final Stack<int[][]> undoStack = new Stack<>();
+    private final Stack<int[][]> redoStack = new Stack<>();
+
+    public void saveState(int[][] state) {
+        undoStack.push(copyArray(state));
+        redoStack.clear(); // Redo-Stack leeren, da ein neuer Zustand hinzugefügt wurde
+    }
+
+    public int[][] undo(int[][] currentState) {
+        if (!undoStack.isEmpty()) {
+            redoStack.push(copyArray(currentState)); // Aktuellen Zustand im Redo-Stack speichern
+            return undoStack.pop();
+        }
+        return null; // Kein Zustand zum Zurücksetzen
+    }
+
+    public int[][] redo(int[][] currentState) {
+        if (!redoStack.isEmpty()) {
+            undoStack.push(copyArray(currentState)); // Aktuellen Zustand im Undo-Stack speichern
+            return redoStack.pop();
+        }
+        return null; // Kein Zustand zum Wiederherstellen
+    }
+
+    private int[][] copyArray(int[][] original) {
+        int[][] copy = new int[original.length][];
+        for (int i = 0; i < original.length; i++) {
+            copy[i] = original[i].clone();
+        }
+        return copy;
+    }
+}