make the orientation of obstacle align with four side of cell on gridmap

scenes/player.gd

@@ -851,9 +851,9 @@ func highlight_movement_range():
 		
 	var cells_to_highlight = []
 	
-	# Only highlight cells within movement range that aren't blocked by obstacles
-	for x in range(enhanced_gridmap.columns):
-		for z in range(enhanced_gridmap.rows):
+	# For each position within movement range
+	for x in range(max(0, current_position.x - movement_range), min(enhanced_gridmap.columns, current_position.x + movement_range + 1)):
+		for z in range(max(0, current_position.y - movement_range), min(enhanced_gridmap.rows, current_position.y + movement_range + 1)):
 			var test_pos = Vector2i(x, z)
 			
 			# Skip the current position
@@ -864,10 +864,26 @@ func highlight_movement_range():
 			if is_within_movement_range(test_pos):
 				var cell_item = enhanced_gridmap.get_cell_item(Vector3i(x, 0, z))
 				
-				# Check if cell is walkable and not occupied
+				# Basic walkability check
 				if cell_item != -1 and not (cell_item in enhanced_gridmap.non_walkable_items) and not is_position_occupied(test_pos):
-					# Most importantly, check if movement is blocked by obstacles
-					if not enhanced_gridmap.is_blocked_by_obstacle(current_position, test_pos, 3):
+					# Check if there's a direct path without obstacles
+					var path_blocked = false
+					
+					# For orthogonal movement
+					if test_pos.x == current_position.x or test_pos.y == current_position.y:
+						path_blocked = enhanced_gridmap.is_blocked_by_obstacle(current_position, test_pos, 3)
+					else:
+						# For diagonal movement, check if both orthogonal paths are blocked
+						var mid1 = Vector2i(test_pos.x, current_position.y)
+						var mid2 = Vector2i(current_position.x, test_pos.y)
+						
+						var path1_blocked = enhanced_gridmap.is_blocked_by_obstacle(current_position, mid1, 3)
+						var path2_blocked = enhanced_gridmap.is_blocked_by_obstacle(current_position, mid2, 3)
+						
+						# Only completely block if both paths are blocked
+						path_blocked = path1_blocked and path2_blocked
+					
+					if not path_blocked:
 						cells_to_highlight.append(test_pos)
 	
 	highlight_cells_if_authorized(cells_to_highlight)