feat: Introduce LobbyManager to handle room management, player states, and game setting synchronization.

scenes/main.gd

@@ -45,6 +45,7 @@ func _ready():
 	if message_bar:
 		message_bar.visible = false
 
+
 	# Ensure grid is randomized with Scarcity if server
 	if multiplayer.is_server():
 		randomize_game_grid()
@@ -57,6 +58,11 @@ func _ready():
 		respawn_check_timer.autostart = true
 		respawn_check_timer.timeout.connect(_check_respawns)
 		add_child(respawn_check_timer)
+	
+	# Force gridmap cell size to match player logic (1, 0.05, 1) - >0.001 to avoid errors
+	var em = $EnhancedGridMap
+	if em:
+		em.cell_size = Vector3(1, 0.05, 1)
 		
 func _on_goal_count_updated(peer_id: int, count: int):
 	# Only update for local player
@@ -392,8 +398,9 @@ func _setup_host_game():
 	
 	# IMMEDIATELY assign random spawn positions before any player _ready() completes
 	# Player _ready() has 0.1s await, so we assign before that completes
-	if LobbyManager.get_randomize_spawn():
-		_assign_random_spawn_positions()
+	# IMMEDIATELY assign spawn positions (Fixed or Random)
+	# Always run this to ensure players don't spawn at (0,0) overlap
+	_assign_random_spawn_positions()
 	
 	# Wait for players to be fully ready (player.gd has 0.1s await in _ready before managers init)
 	await get_tree().create_timer(0.3).timeout
@@ -598,8 +605,10 @@ func _assign_random_spawn_positions():
 	# Fallback shuffle
 	all_spawns.shuffle()
 	
-	# Get all players
+	# Get all players and sort them for deterministic assignment
 	var all_players = get_tree().get_nodes_in_group("Players")
+	all_players.sort_custom(func(a, b): return a.name.to_int() < b.name.to_int())
+	
 	var spawn_index = 0
 	
 	# Round-robin assignment to corners: TL, TR, BR, BL, TL, TR, BR, BL...
@@ -670,7 +679,9 @@ func create_bot(bot_id: int):
 
 @rpc("any_peer", "call_local")
 func add_player_character(peer_id: int, is_bot: bool = false):
+	print("[Main] add_player_character called for %d (is_bot: %s)" % [peer_id, is_bot])
 	if has_node(str(peer_id)):
+		print("[Main] Player %d already exists! Skipping spawn." % peer_id)
 		return
 	
 	var player_character
@@ -1013,16 +1024,6 @@ func create_specific_player(data: Dictionary):
 		add_child(player_character)
 		player_character.add_to_group("Players", true)
 		
-		# Set spawn flag directly so it doesn't hide itself
-		if data.has("spawn_point_selected") and data["spawn_point_selected"]:
-			player_character.spawn_point_selected = true
-			player_character.visible = true
-			
-			# Ensure visual position matches logical
-			var new_pos = player_character.grid_to_world(data["position"])
-			player_character.global_position = new_pos
-			player_character.target_visual_position = new_pos
-			
 		# Set display name
 		if data.has("name"):
 			player_character.display_name = data["name"]
@@ -1030,6 +1031,20 @@ func create_specific_player(data: Dictionary):
 		if data["is_bot"]:
 			player_character.add_to_group("Bots", true)
 			player_character.is_bot = true
+
+	# Set spawn flag and visibility for BOTH new and existing players
+	if data.has("spawn_point_selected") and data["spawn_point_selected"]:
+		player_character.spawn_point_selected = true
+		player_character.visible = true
+		
+		# Ensure visual position matches logical
+		var new_pos = player_character.grid_to_world(data["position"])
+		player_character.global_position = new_pos
+		player_character.target_visual_position = new_pos
+		
+		# Force collision update
+		if player_character.has_node("CollisionShape3D"):
+			player_character.get_node("CollisionShape3D").disabled = false
 	
 	# Check if this is the local player (client's own player)
 	var is_local_player = (peer_id == multiplayer.get_unique_id())
@@ -1052,11 +1067,11 @@ func create_specific_player(data: Dictionary):
 	
 	# Always update position (including for existing nodes, so client sees host correctly)
 	player_character.current_position = data["position"]
-	player_character.global_position = Vector3(
-		data["position"].x * 2 + 1,
-		1.0,
-		data["position"].y * 2 + 1
-	)
+	
+	# Use the player's own grid_to_world to respect cell_size (1,1,1)
+	var new_world_pos = player_character.grid_to_world(data["position"])
+	player_character.global_position = new_world_pos
+	player_character.target_visual_position = new_world_pos
 	
 	# Update playerboard UI for local player
 	if is_local_player: