Clamp fix for new method

src/engine/InterestManagement/Terrain.java

@@ -164,8 +164,8 @@ public class Terrain {
 
         // Clamp values when standing directly on pole
 
-        terrain_cell.x = Math.max(0, Math.min(this.cell_count.x - 1, terrain_cell.x));
-        terrain_cell.y = Math.max(0, Math.min(this.cell_count.y - 1, terrain_cell.y));
+        terrain_cell.x = Math.max(0, Math.min(this.cell_count.x - 2, terrain_cell.x));
+        terrain_cell.y = Math.max(0, Math.min(this.cell_count.y - 2, terrain_cell.y));
 
         return terrain_cell;
     }