feat: Implement the main game scene, initializing core managers, a new message bar system, and a pre-game countdown.

scripts/managers/goals_cycle_manager.gd

@@ -408,6 +408,11 @@ func _randomize_tiles_around_player(player: Node):
 			# Check if position is valid
 			if not enhanced_gridmap.is_position_valid(pos):
 				continue
+				
+			# EXTRA CHECK: Do not spawn tiles on void (-1) or walls (4) on Floor 0
+			var floor_0_item = enhanced_gridmap.get_cell_item(Vector3i(pos.x, 0, pos.y))
+			if floor_0_item == -1 or floor_0_item == 4:
+				continue
 			
 			# Check if there are tiles nearby or if empty
 			var current_item = enhanced_gridmap.get_cell_item(cell)

scripts/static_tekton_stand.gd

@@ -11,11 +11,15 @@ extends StaticBody3D
 
 func _ready():
 	add_to_group("StaticTektonStands")
-	print("Static Stand Ready: ", name) 
+	print("Static Stand Ready: ", name)
+	
+	# Clear 3x3 local GridMap void for late joiners
+	call_deferred("_clear_local_gridmap_area")
+	
 	if multiplayer.is_server():
 		# Only randomize if not already set (Main.gd sets it now)
 		if shape_index == -1:
-			shape_index = randi() % 4 
+			shape_index = randi() % 4
 		_update_mesh_from_index()
 	else:
 		# Client side:
@@ -27,6 +31,29 @@ func _ready():
 			# But just in case, we can try to request it or use a default
 			pass
 
+func _clear_local_gridmap_area():
+	var main = get_tree().get_root().get_node_or_null("Main")
+	if not main: return
+	var gridmap = main.get_node_or_null("EnhancedGridMap")
+	if not gridmap or not "cell_size" in gridmap: return
+	
+	var grid_x = int(round((global_position.x - gridmap.cell_size.x / 2.0) / gridmap.cell_size.x))
+	var grid_z = int(round((global_position.z - gridmap.cell_size.z / 2.0) / gridmap.cell_size.z))
+	
+	var floor_count = 3
+	if "floors" in gridmap: floor_count = gridmap.floors
+	
+	for dx in range(-1, 2):
+		for dy in range(-1, 2):
+			for f in range(floor_count):
+				gridmap.set_cell_item(Vector3i(grid_x + dx, f, grid_z + dy), -1)
+				
+	# Force pathfinding update if methods exist
+	if gridmap.has_method("update_grid_data"):
+		gridmap.update_grid_data()
+	if gridmap.has_method("update_astar_costs"):
+		gridmap.update_astar_costs()
+
 func _update_mesh_from_index():
 	if not mesh_instance: return