feat: fix some bug

scenes/main.gd

@@ -985,10 +985,10 @@ func _assign_stop_n_go_spawn_positions(all_players: Array):
 	
 	# Collect valid walkable spawn positions from the leftmost columns
 	var valid_spawns: Array[Vector2i] = []
-	for col in range(0, min(5, enhanced_gridmap.columns)):  # Check first 5 columns
+	for col in range(0, min(5, enhanced_gridmap.columns)): # Check first 5 columns
 		for row in range(enhanced_gridmap.rows):
 			var tile = enhanced_gridmap.get_cell_item(Vector3i(col, 0, row))
-			if tile == 0 or tile == 3:  # Walkable or Start
+			if tile == 0 or tile == 3: # Walkable or Start
 				valid_spawns.append(Vector2i(col, row))
 		if valid_spawns.size() >= all_players.size():
 			break
@@ -1036,7 +1036,7 @@ func _assign_portal_mode_spawn_positions(all_players: Array):
 			for dx in range(-radius, radius + 1):
 				for dz in range(-radius, radius + 1):
 					# Only check the "ring" at the current radius
-					if abs(dx) != radius and abs(dz) != radius and radius > 0: 
+					if abs(dx) != radius and abs(dz) != radius and radius > 0:
 						continue
 					
 					var test_pos = center_pos + Vector2i(dx, dz)
@@ -1056,7 +1056,7 @@ func _assign_portal_mode_spawn_positions(all_players: Array):
 						if abs(test_pos.x - reserved.x) <= 2 and abs(test_pos.y - reserved.y) <= 2:
 							is_reserved = true
 							break
-					if is_reserved: 
+					if is_reserved:
 						continue
 					
 					# 4. Check if occupied by another already-assigned player
@@ -1408,6 +1408,7 @@ func add_newly_connected_player_character(new_peer_id: int):
 
 func _on_peer_disconnected(peer_id: int):
 	if not is_inside_tree(): return
+	if not multiplayer.has_multiplayer_peer(): return
 	if multiplayer.is_server():
 		print("[Main] Peer %d disconnected. Checking for bot replacement..." % peer_id)
 		
@@ -1506,7 +1507,6 @@ func set_current_turn(player_id: int):
 		player.is_my_turn = is_current_turn
 		
 		if is_current_turn and not (player.is_bot or player.is_in_group("Bots")):
-			player.action_points = 2
 			player.has_moved_this_turn = false
 			player.has_performed_action = false
 			player.start_turn()
@@ -1585,6 +1585,20 @@ func sync_playerboard(player_id: int, new_playerboard: Array):
 	if player_id == multiplayer.get_unique_id() and GameStateManager.local_player_character:
 		ui_manager.update_playerboard_ui()
 
+@rpc("any_peer", "call_local", "reliable")
+func sync_playerboard_slot(player_id: int, slot_index: int, item_id: int):
+	"""Patch a single playerboard slot without touching other slots.
+	Used by _execute_grab on grab confirmation to avoid overwriting concurrent
+	in-flight optimistic grab updates on high-latency clients."""
+	var player = get_node_or_null(str(player_id))
+	if player and slot_index >= 0 and slot_index < player.playerboard.size():
+		player.playerboard[slot_index] = item_id
+	
+	# Update UI for local player only
+	if player_id == multiplayer.get_unique_id() and GameStateManager.local_player_character:
+		ui_manager.update_playerboard_ui()
+
+
 # =============================================================================
 
 
@@ -2076,11 +2090,6 @@ func _on_match_ended():
 	is_match_ended = true
 	print("[Main] Match ended! Showing game over screen...")
 	
-	# Disable player controls
-	var local_player = GameStateManager.local_player_character
-	if local_player:
-		local_player.action_points = 0
-		
 	# Signal Global Game End (Stops Bot ticks and logic)
 	GameStateManager.end_game()