implement auto tile pickup and visual candy stacking on player head

scenes/player.gd

@@ -601,6 +601,45 @@ func _get_all_mesh_instances(node: Node) -> Array:
 		result.append_array(_get_all_mesh_instances(child))
 	return result
 
+# -----------------------------------------------------------------
+# RPCs
+# -----------------------------------------------------------------
+
+@rpc("any_peer", "call_local", "reliable")
+func sync_candy_stack(count: int, color_id: int) -> void:
+	var visuals = get_node_or_null("Visuals")
+	if not visuals: return
+	
+	var old_stack = visuals.get_node_or_null("CandyStack")
+	if old_stack:
+		old_stack.queue_free()
+		
+	if count <= 0: return
+	
+	var stack_node = Node3D.new()
+	stack_node.name = "CandyStack"
+	visuals.add_child(stack_node)
+	
+	stack_node.position = Vector3(0, 2.0, 0)
+	
+	# Determine base tile and override material based on the mode config or default tile meshes
+	var mesh_path = "res://assets/models/tiles/tile_heart.tres"
+	match color_id:
+		0: mesh_path = "res://assets/models/tiles/tile_heart.tres"
+		1: mesh_path = "res://assets/models/tiles/tile_diamond.tres"
+		2: mesh_path = "res://assets/models/tiles/tile_star.tres"
+		3: mesh_path = "res://assets/models/tiles/tile_coin.tres"
+		
+	var tile_mesh = load(mesh_path)
+	if not tile_mesh: return
+	
+	for i in range(count):
+		var mi = MeshInstance3D.new()
+		mi.mesh = tile_mesh
+		mi.position = Vector3(0, i * 0.4, 0)
+		mi.scale = Vector3(0.5, 0.5, 0.5)
+		stack_node.add_child(mi)
+
 @rpc("any_peer", "call_local", "reliable")
 func sync_character(character_name: String) -> void:
 	"""Sync character selection across all clients."""