no overlap requirement

Assets/Escape Room Engine/Engine/Scripts/Requirements/NoOverlap.cs

@@ -0,0 +1,19 @@
+using System.Collections.Generic;
+using Escape_Room_Engine.Engine.Scripts.Modules;
+using UnityEngine;
+
+namespace Escape_Room_Engine.Engine.Scripts.Requirements
+{
+    [CreateAssetMenu(menuName = "Requirements/No Overlap")]
+    public class NoOverlap : PlacementRequirement
+    {
+        public override IEnumerable<Vector2Int> PlacementCandidates(Module module, Space space)
+        {
+            var edgePositions = space.rrDimensions.EveryPosition;
+            
+            space.Modules.ForEach(m => edgePositions.Remove(m.SrPosition));
+
+            return edgePositions;
+        }
+    }
+}

Assets/Escape Room Engine/Engine/Scripts/Requirements/NoOverlap.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 58ae9c09c887475d833d2cd4ee4ccffb
+timeCreated: 1667881856

Assets/Escape Room Engine/Engine/Scripts/Requirements/OrientationRequirement.cs

@@ -1,6 +1,5 @@
 using System.Collections.Generic;
 using Escape_Room_Engine.Engine.Scripts.Modules;
-using UnityEngine;
 
 namespace Escape_Room_Engine.Engine.Scripts.Requirements
 {