add solvability script

Assets/Scripts/ColorButtons.cs

@@ -14,7 +14,7 @@ public class ColorButtons : MonoBehaviour
 
     public Material actualMaterial;
     private Colors beforeButtonColor;
-    private bool colorsChanged = false;
+    private static bool colorsChanged = false;
 
     private string errorMassage = "You can't recolor middle pieces!";
 
@@ -107,12 +107,12 @@ public class ColorButtons : MonoBehaviour
         }
     }
 
-    public void setColorsChanged(bool b)
+    public static void setColorsChanged(bool b)
     {
         colorsChanged = b;
     }
 
-    public bool getColorsChanged()
+    public static bool getColorsChanged()
     {
         return colorsChanged;
     }

Assets/Scripts/CubeSolvable.cs

+using System.Collections;
+using System.Collections.Generic;
+
+
+public class CubeSolvable
+{
+    private string moveString;
+
+    public CubeSolvable(string moveString)
+    {
+        this.moveString = moveString;
+    }
+
+    public bool isCubeSovable()
+    {
+        if (checkNumOfColors() && checkCorners() && checkSides())
+            return true;
+        return false;
+    }
+
+    private bool checkNumOfColors()
+    {
+        return true;
+    }
+
+    private bool checkCorners()
+    {
+        return true;
+    }
+
+    private bool checkSides()
+    {
+        return true;
+    }
+}

Assets/Scripts/SolveTwoFace.cs

@@ -32,12 +32,22 @@ public class SolveTwoFace : MonoBehaviour
     {
         if (!CubeState.autoRotating)
         {
-            //readCube.ReadState();
 
             //get the state of the cube as a string
             string moveString = cubeState.GetStateString(false);
             print(moveString);
 
+            if (ColorButtons.getColorsChanged())
+            {
+                CubeSolvable cs = new CubeSolvable(moveString);
+                if (!cs.isCubeSovable())
+                {
+                    errorMsgBox.text = "Cube is not solvable!";
+                    return;
+                };
+                ColorButtons.setColorsChanged(false);
+            }
+
             ////solve the cube
             Solver solver = new Solver(moveString);
             ////string info = "";