tekton/scenes/player.gd

extends Node3D

@export var is_bot: bool = false

@export var enhanced_gridmap_path: NodePath = "/root/Main/EnhancedGridMap"
var enhanced_gridmap: EnhancedGridMap
@export var current_position: Vector2i
var is_player_moving: bool = false
var _verify_timer: float = 0.0
var can_finish

@export var cell_size: Vector3 = Vector3(2, 2, 2)
@export var cell_offset: Vector3 = Vector3(0, 0, 0)

@export var goals: Array[int] = [0,0,0,0,0,0,0,0,0]
@export var playerboard: Array[int] = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]

# Modifier for Turn based
var has_performed_action: bool = false
var selected_gridmap_position = Vector2i(-1, -1)
var selected_playerboard_slot = -1
var targeted_playerboard_slot = -1
var action_points: int = 2

# Modifier for player models
var target_rotation: float = 0.0
var rotation_speed: float = 10.0

var spawn_locations = [
	Vector2i(0, 0),  # (0,1,0)
	Vector2i(0, 1),  # (0,1,1)
	Vector2i(0, 2),  # (0,1,2)
	Vector2i(0, 3),  # (0,1,3)
	Vector2i(0, 4),  # (0,1,4)
	Vector2i(0, 5),  # (0,1,5)
	Vector2i(0, 6),
	Vector2i(0, 7),
	Vector2i(0, 8),
	Vector2i(0, 9),
	Vector2i(0, 10),
	Vector2i(0, 11),
	Vector2i(0, 12),
	Vector2i(0, 13)
]

# Add these as class variables at the top of the file
var finish_locations = [
	Vector2i(13, 0),  # (13,0,0)
	Vector2i(13, 1),  # (13,0,1)
	Vector2i(13, 2),  # (13,0,2)
	Vector2i(13, 3),  # (13,0,3)
	Vector2i(13, 4),  # (13,0,4)
	Vector2i(13, 5),  # (13,0,5)
	Vector2i(13, 6),
	Vector2i(13, 7),
	Vector2i(13, 8),
	Vector2i(13, 9),
	Vector2i(13, 10),
	Vector2i(13, 11),
	Vector2i(13, 12),
	Vector2i(13, 13)
]

var spawn_point_selected = false

# Action for hilighter
var highlighted_spawn_points = []
var highlighted_cells = []
var _is_processing_action = false
var _is_highlighting = false

@export var movement_range: int = 1
@export var use_diagonal_movement: bool = false:
	set(value):
		use_diagonal_movement = value
		if enhanced_gridmap:
			enhanced_gridmap.set_diagonal_movement(value)

@export var is_my_turn: bool = false:
	set(value):
		is_my_turn = value
		if is_my_turn and is_multiplayer_authority():
			rpc("display_message", "It's your turn!")
			
@export var has_moved_this_turn = false

# Track, Lap, Position
var current_lap: int = 0
var first_lap_goals: Array[int] = []  # Current goals (partial 3x3)
var second_lap_goals: Array[int] = []  # Full 3x3 goals
var race_position: int = 0  # Track finish position
static var lap1_finishers: int = 0  # Static to track across all players
static var lap2_finishers: int = 0

# Function to get ordinal string (1st, 2nd, 3rd, 4th)
func get_ordinal_string(number: int) -> String:
	match number:
		1: return "1st"
		2: return "2nd"
		3: return "3rd"
		4: return "4th"
		_: return str(number) + "th"

func _ready():
	# Ensure name is set first
	name = str(get_multiplayer_authority())
	$Name.text = str(name)
	
	# Wait briefly to ensure proper scene setup
	await get_tree().create_timer(0.1).timeout
	
	# More robust way to get the main scene
	var main_scene = get_tree().get_root().get_node_or_null("Main")
	if not main_scene:
		push_error("Main scene not found")
		return
	
	# Modifier to handle the lap
	if is_multiplayer_authority():
		# Generate the first_lap_goals
		first_lap_goals = goals.duplicate()
		# Generate the second_lap_goals
		generate_second_lap_goals()
	
	# Ensure proper initialization order
	enhanced_gridmap = get_node(enhanced_gridmap_path)
	if main_scene:
		enhanced_gridmap = main_scene.get_node("EnhancedGridMap")
	
	# Early setup for bots
	if is_bot == true or is_in_group("Bots"):
		# Initialize behavior tree for bots
		var behavior_tree = $BehaviorTree
		 # Disable all input processing for bots immediately
		set_process_input(false)
		set_process_unhandled_input(false)
		set_process(false)
		set_physics_process(false)
		
		# Disable visual highlights for bots
		highlighted_cells.clear()
		
		if behavior_tree:
			behavior_tree.enabled = is_multiplayer_authority()
			behavior_tree.actor = self
		
		rpc("sync_bot_status", true)
		
		## Initialize bot-specific components
		#if enhanced_gridmap:
			#current_position = find_valid_starting_position()
			#update_player_position(current_position)
		
		# Spawn point handler
		if enhanced_gridmap:
			current_position = _find_random_spawn_position()
			update_player_position(current_position)
			spawn_point_selected = true
			# Notify others about bot spawn position
			rpc("notify_spawn_selected", current_position)
		
		else:
		# Human player initialization
			if enhanced_gridmap:
				enhanced_gridmap.initialize_astar()
				enhanced_gridmap.set_diagonal_movement(use_diagonal_movement)
				
				# Request current spawn positions before highlighting
				request_spawn_positions_update()
				
				highlight_available_spawn_points()
			# Remove this line as goals are now managed by the host
		#append_random_goals()
			
		playerboard.resize(25)
		playerboard.fill(-1)
		return
	
	# Disable Beehave tree if this is not a bot
	if not is_bot and has_node("BehaviorTree"):
		$BehaviorTree.enabled = false
	
	# Rest of initialization (only for human players)
	if enhanced_gridmap:
		enhanced_gridmap.initialize_astar()
		enhanced_gridmap.set_diagonal_movement(use_diagonal_movement)
		current_position = find_valid_starting_position()
		update_player_position(current_position)
	
	#append_random_goals()
	playerboard.resize(25)
	playerboard.fill(-1)
	
	# Ensure proper initial positioning
	global_position = Vector3(
		current_position.x * cell_size.x + cell_size.x * 0.5,
		1.0,
		current_position.y * cell_size.z + cell_size.z * 0.5
	)
	if is_multiplayer_authority():
		rpc("sync_position", current_position)

# Add function to check if position is at finish line
func is_at_finish_line() -> bool:
	return current_position in finish_locations

# Helper function to check if a 3x3 section matches the goals pattern
func check_3x3_section(board: Array, goals: Array, start_row: int, start_col: int) -> bool:
	# First check if any required positions are empty (-1)
	for i in range(3):
		for j in range(3):
			if goals[i][j] != -1:  # Only check positions that are required by the goals
				var board_value = board[start_row + i][start_col + j]
				if board_value == -1:  # If required position is empty
					return false
	
	# Then check if the pattern matches
	for i in range(3):
		for j in range(3):
			if goals[i][j] != -1:  # Only check positions that are required by the goals
				if board[start_row + i][start_col + j] != goals[i][j]:
					return false
	
	return true

# Generate full 3x3 goals for second lap
func generate_second_lap_goals():
	second_lap_goals.clear()
	# Generate a complete 3x3 pattern (no empty spaces)
	for i in range(9):
		var val = (randi() % 4) + 7  # Values between 7 and 10
		second_lap_goals.append(val)
	
	if is_multiplayer_authority():
		rpc("sync_second_lap_goals", second_lap_goals)

@rpc("any_peer", "reliable")
func sync_second_lap_goals(new_goals: Array):
	second_lap_goals = new_goals

# Modify finish_race to handle lap completion
@rpc("any_peer", "reliable")
func finish_race():
	if current_lap == 0:  # Finishing first lap
		lap1_finishers += 1
		race_position = lap1_finishers
		
		# Display first lap completion message
		var message = "Finish 1st lap on " + get_ordinal_string(race_position)
		if is_multiplayer_authority():
			rpc("display_message", message)
		
		# Start second lap
		current_lap += 1
		rpc("start_new_lap")
		
	elif current_lap == 1:  # Finishing second lap
		lap2_finishers += 1
		race_position = lap2_finishers
		
		# Display second lap completion message
		var message = "Finish 2nd lap on " + get_ordinal_string(race_position)
		if is_multiplayer_authority():
			rpc("display_message", message)

# Add function to check 3x3 pattern matching anywhere in 5x5 playerboard
func check_pattern_match() -> bool:
	# Early return if playerboard or goals are not properly sized
	if playerboard.size() != 25 or goals.size() != 9:
		return false
	
	var current_goals = goals
	
	# Convert 1D arrays to 2D for easier pattern matching
	var board_2d = []
	var goals_2d = []
	
	# Convert playerboard to 2D (5x5)
	for i in range(5):
		var row = []
		for j in range(5):
			row.append(playerboard[i * 5 + j])
		board_2d.append(row)
	
	# Convert goals to 2D (3x3)
	for i in range(3):
		var row = []
		for j in range(3):
			row.append(goals[i * 3 + j])
		goals_2d.append(row)
	
	# Check each possible 3x3 section in the 5x5 board
	for start_row in range(3):  # 5-3+1 possible starting rows
		for start_col in range(3):  # 5-3+1 possible starting columns
			if check_3x3_section(board_2d, goals_2d, start_row, start_col):
				return true
	
	return false

## Add function to handle new lap
#@rpc("any_peer", "reliable")
#func start_new_lap():
	## Reset position to start
	#current_position = find_valid_starting_position()
	#update_player_position(current_position)
	#
	## Reset playerboard but keep the goals
	#playerboard.fill(-1)
	#
	## Reset can_finish flag
	#can_finish = false
	#
	## Sync with other clients
	#if is_multiplayer_authority():
		#rpc("sync_position", current_position)
		#rpc("sync_playerboard", playerboard)

# Modify start_new_lap to handle different lap goals and starting positions
@rpc("any_peer", "reliable")
func start_new_lap():
	if current_lap == 1:  # Moving to second lap
		# Start from first lap finish line
		var valid_finish_pos = find_valid_position_in_finish_line()
		if valid_finish_pos != Vector2i(-1, -1):
			current_position = valid_finish_pos
			update_player_position(current_position)
		
		# Set new goals (full 3x3)
		goals = second_lap_goals.duplicate()
		
		# Reset playerboard
		#playerboard.fill(-1)
		
		# Reset can_finish flag
		can_finish = false
		
		# Sync with other clients
		if is_multiplayer_authority():
			rpc("sync_position", current_position)
			rpc("sync_playerboard", playerboard)
			rpc("sync_goals", goals)

# Function to find valid position in finish line
func find_valid_position_in_finish_line() -> Vector2i:
	for pos in finish_locations:
		if not is_position_occupied(pos):
			return pos
	return Vector2i(-1, -1)

# Add function to check if player can reach finish
func update_finish_availability():
	can_finish = check_pattern_match()
	
	# Update visual feedback if needed
	if is_multiplayer_authority():
		if can_finish:
			highlight_finish_line()
		else:
			unhighlight_finish_line()

func unhighlight_finish_line():
	if not is_multiplayer_authority() or is_bot:
		return
		
	for finish_pos in finish_locations:
		if enhanced_gridmap:
			enhanced_gridmap.set_cell_item(
				Vector3i(finish_pos.x, 0, finish_pos.y),
				enhanced_gridmap.normal_items[0]
			)

# Add functions to handle finish line visualization
func highlight_finish_line():
	if not is_multiplayer_authority() or is_bot:
		return
		
	for finish_pos in finish_locations:
		if enhanced_gridmap:
			enhanced_gridmap.set_cell_item(
				Vector3i(finish_pos.x, 0, finish_pos.y),
				enhanced_gridmap.hover_item
			)

func request_spawn_positions_update():
	if multiplayer.is_server():
		# Server can directly highlight available positions
		highlight_available_spawn_points()
	else:
		# Clients request an update from the server
		rpc_id(1, "server_update_spawn_positions")

# Add server-side spawn position update handler
@rpc("any_peer", "reliable")
func server_update_spawn_positions():
	if not multiplayer.is_server():
		return
		
	var sender_id = multiplayer.get_remote_sender_id()
	var occupied = get_occupied_positions()
	
	# Send the occupied positions back to the requesting client
	rpc_id(sender_id, "receive_spawn_positions_update", occupied)

# Add client-side spawn position update receiver
@rpc("authority", "reliable")
func receive_spawn_positions_update(occupied_positions: Array):
	# Update local highlight state based on received occupied positions
	for pos in highlighted_spawn_points:
		if pos in occupied_positions:
			highlighted_spawn_points.erase(pos)
			if enhanced_gridmap:
				enhanced_gridmap.set_cell_item(
					Vector3i(pos.x, 0, pos.y),
					enhanced_gridmap.normal_items[0]
				)
	
	# Now highlight available positions
	highlight_available_spawn_points()

@rpc("any_peer", "call_local")
func sync_bot_status(is_bot_status: bool):
	is_bot = is_bot_status
	if is_bot:
		add_to_group("Bots", true)
		set_process_input(false)
		set_process_unhandled_input(false)
		
		# Clear any existing highlights
		highlighted_cells.clear()
		#clear_highlights()
		#clear_playerboard_highlights()
		
		var behavior_tree = get_node_or_null("BehaviorTree")
		if behavior_tree:
			behavior_tree.enabled = is_multiplayer_authority()
			behavior_tree.actor = self
			if not is_multiplayer_authority():
				behavior_tree.set_physics_process(false)
				behavior_tree.set_process(false)

func _process(delta):
	if is_multiplayer_authority():
		
		# Visual debugging - show connection status in name label
		$Name.text = str(name) + "\n(Auth: " + str(get_multiplayer_authority()) + ")"
		
		# Periodically verify our existence to others
		_verify_timer += delta
		if _verify_timer >= 3.0:
			_verify_timer = 0.0
			rpc("ping_existence")

@rpc("any_peer", "call_local")
func ping_existence():
	# This just lets other clients know this player exists
	# They can check if they have this node
	pass

func _physics_process(delta):
	if is_multiplayer_authority():
		rpc("remote_set_position", global_position)
		
		# Add continuous finish line check
		if current_position in finish_locations and can_finish and not is_player_moving:
			start_new_lap()

func _unhandled_input(event):
	# Early return if not authorized human player
	if not is_multiplayer_authority() or is_bot or is_in_group("Bots"):
		set_process_unhandled_input(false)
		return
	
	# Handle spawn point selection if not yet selected
	if not spawn_point_selected and highlighted_spawn_points.size() > 0:
		if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT:
			var camera = get_viewport().get_camera_3d()
			var from = camera.project_ray_origin(event.position)
			var to = from + camera.project_ray_normal(event.position) * 1000
			
			var click_position = raycast_to_grid(from, to)
			if click_position in highlighted_spawn_points:
				if select_spawn_point(click_position):
					return # Spawn point selected successfully
	
	# Use get_node_or_null for safer node access
	var main = get_tree().get_root().get_node_or_null("Main")
	if not main:
		return
	
	if not is_multiplayer_authority() or (main.turn_based_mode and (not is_my_turn or is_player_moving)):
		return

	if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT:
		if is_bot == true or is_in_group("Bots"):
			set_process_unhandled_input(false)
			set_process_input(false)
			return
		var camera = get_viewport().get_camera_3d()
		var from = camera.project_ray_origin(event.position)
		var to = from + camera.project_ray_normal(event.position) * 1000
		
		var click_position = raycast_to_grid(from, to)
		if click_position != Vector2i(-1, -1):
			handle_grid_click(click_position)

func _on_slot_gui_input(event, slot_index, slot_ui) -> int:
	if event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT:
		var main = get_tree().get_root().get_node_or_null("Main")
		
		if main.current_action_state == main.ActionState.ARRANGING:
			if selected_playerboard_slot == -1:
				select_playerboard_slot(slot_index)
				return slot_index
			else:
				if selected_playerboard_slot == slot_index:
					deselect_playerboard_slot()
					return slot_index
				elif can_move_to_target_playerboard_slot():
					target_playerboard_slot(slot_index)
					main.emit_signal("can_move_item", true)
					return slot_index
				else:
					return -1
	return -1

func handle_grid_click(grid_position: Vector2i):
	if is_bot == true or is_in_group("Bots"):
		return
	var main = get_tree().get_root().get_node_or_null("Main")
	if not main:
		push_error("Main node not found")
		return
		
	match main.current_action_state:
		main.ActionState.MOVING:
			if grid_position in highlighted_cells:
				move_player_to_clicked_position(grid_position)
		main.ActionState.GRABBING:
			if grid_position in highlighted_cells or grid_position == current_position:
				grab_item(grid_position)
		#main.ActionState.PUTTING:
			#if grid_position in highlighted_cells and selected_playerboard_slot != -1:
				#put_item(grid_position)
		main.ActionState.RANDOMIZING:
			if grid_position in highlighted_cells:
				main.randomize_item_at_position(grid_position)
		main.ActionState.PLACING_OBSTACLE:
			if grid_position in highlighted_cells:
				main.place_obstacle(grid_position)

# Modify is_position_occupied to check for selected spawn points
func is_position_occupied(pos: Vector2i) -> bool:
	for player in get_tree().get_nodes_in_group("Players"):
		if player != self and player.spawn_point_selected and player.current_position == pos:
			return true
	return false

func find_valid_starting_position() -> Vector2i:
	if is_bot:
		return _find_random_spawn_position()
	else:
		highlight_available_spawn_points()
		# Return temporary position, will be updated when player selects spawn point
		return Vector2i(-1, -1)

func highlight_available_spawn_points():
	if not is_multiplayer_authority() or is_bot or spawn_point_selected:
		return
		
	# Clear any existing highlights
	clear_highlights()
	highlighted_spawn_points.clear()
	
	# Get all currently occupied positions
	var occupied_positions = get_occupied_positions()
	
	# Check each spawn location
	for spawn_pos in spawn_locations:
		if not is_position_occupied(spawn_pos):
			highlighted_spawn_points.append(spawn_pos)
			if enhanced_gridmap:
				# Highlight the cell at y=0 (ground level)
				enhanced_gridmap.set_cell_item(
					Vector3i(spawn_pos.x, 0, spawn_pos.y),
					enhanced_gridmap.hover_item
				)

# Add function to get all occupied positions
func get_occupied_positions() -> Array:
	var occupied = []
	for player in get_tree().get_nodes_in_group("Players"):
		if player.spawn_point_selected:  # Only count players who have selected a spawn point
			occupied.append(player.current_position)
	return occupied

# Modify the select_spawn_point function to notify other clients
func select_spawn_point(spawn_pos: Vector2i) -> bool:
	if not is_multiplayer_authority() or is_bot or spawn_point_selected:
		return false
		
	if spawn_pos in highlighted_spawn_points and not is_position_occupied(spawn_pos):
		current_position = spawn_pos
		spawn_point_selected = true
		
		# Update position in the world
		position = grid_to_world(spawn_pos)
		
		# Notify all clients about the spawn selection
		rpc("notify_spawn_selected", spawn_pos)
		
		# Clear highlights locally
		clear_spawn_highlights()
		
		# Sync position with other clients
		if is_multiplayer_authority():
			rpc("sync_position", current_position)
			
		return true
	return false

func clear_spawn_highlights():
	# Clear the highlighted spawn points array
	for spawn_pos in highlighted_spawn_points:
		if enhanced_gridmap:
			# Reset the cell to its original state
			var cell_item = enhanced_gridmap.get_cell_item(Vector3i(spawn_pos.x, 1, spawn_pos.y))
			enhanced_gridmap.set_cell_item(
				Vector3i(spawn_pos.x, 0, spawn_pos.y),
				enhanced_gridmap.normal_items[0] if cell_item != -1 else -1
			)
	
	# Clear the array
	highlighted_spawn_points.clear()
	
	# Force an update of the grid visualization
	if enhanced_gridmap:
		enhanced_gridmap._update_cell_option_buttons()

func _find_random_spawn_position() -> Vector2i:
	var available_positions = []
	
	for spawn_pos in spawn_locations:
		if not is_position_occupied(spawn_pos):
			available_positions.append(spawn_pos)
	
	if available_positions.size() > 0:
		var rng = RandomNumberGenerator.new()
		rng.randomize()
		return available_positions[rng.randi() % available_positions.size()]
	
	return Vector2i.ZERO

func find_random_valid_position_in_range() -> Vector2i:
	var rng = RandomNumberGenerator.new()
	rng.randomize()
	
	var valid_positions = []
	
	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 pos = Vector2i(x, z)
			if pos != current_position and is_within_movement_range(pos):
				var cell_item = enhanced_gridmap.get_cell_item(Vector3i(x, 0, z))
				if cell_item != -1 and not (cell_item in enhanced_gridmap.non_walkable_items) and not is_position_occupied(pos):
					valid_positions.append(pos)
	
	if valid_positions.size() > 0:
		return valid_positions[rng.randi() % valid_positions.size()]
	return current_position

func raycast_to_grid(from: Vector3, to: Vector3) -> Vector2i:
	var plane = Plane(Vector3.UP, cell_offset.y)
	var intersection = plane.intersects_ray(from, to - from)
	
	if intersection:
		var adjusted_intersection = intersection - cell_offset
		var grid_position = Vector2i(
			floor(adjusted_intersection.x / cell_size.x),
			floor(adjusted_intersection.z / cell_size.z)
		)
		
		if grid_position.x >= 0 and grid_position.x < enhanced_gridmap.columns and \
		   grid_position.y >= 0 and grid_position.y < enhanced_gridmap.rows:
			return grid_position
	
	return Vector2i(-1, -1)

func is_within_movement_range(target_position: Vector2i) -> bool:
	var distance: int
	if use_diagonal_movement:
		distance = max(abs(target_position.x - current_position.x), abs(target_position.y - current_position.y))
	else:
		distance = abs(target_position.x - current_position.x) + abs(target_position.y - current_position.y)
	return distance <= movement_range

func move_player_to_clicked_position(grid_position: Vector2i):
	
	if not is_multiplayer_authority() or is_player_moving or action_points <= 0:
		return
	
	# Check if trying to move to finish line
	if grid_position in finish_locations:
		if not can_finish:
			can_finish = check_pattern_match()
			if not can_finish:
				return  # Cannot move to finish line if pattern doesn't match
	
	var is_valid_finish = false
	# Make scenario for match checking laps, for handle lap count
	if current_lap == 0: # first lap
		is_valid_finish = grid_position in finish_locations
	else: # second lap
		is_valid_finish = grid_position in spawn_locations
	
	if not is_within_movement_range(grid_position):
		return
	
	
	
	var main = get_tree().get_root().get_node_or_null("Main")
	if not main or main.current_action_state != main.ActionState.MOVING or not grid_position in highlighted_cells:
		return

	if not is_within_movement_range(grid_position):
		return

	var cell_item = enhanced_gridmap.get_cell_item(Vector3i(grid_position.x, 0, grid_position.y))
	if cell_item in enhanced_gridmap.non_walkable_items or is_position_occupied(grid_position):
		return

	# Check if direct movement is blocked by an obstacle
	if enhanced_gridmap.is_blocked_by_obstacle(current_position, grid_position, 3):
		# Do not allow movement if blocked (this should not happen if highlight logic is correct)
		print("Movement blocked by obstacle")
		return
	
	rotate_towards_target(grid_position)

	# Create a direct path rather than using A* for obstacle avoidance
	# This ensures the player can only move to directly accessible positions
	var path = [Vector2(current_position.x, current_position.y), Vector2(grid_position.x, grid_position.y)]
	path.pop_front()
	
	rpc("start_movement_along_path", path, not (is_bot or is_in_group("Bots")))
	action_points -= 1
	
	# Clear highlights after moving
	if not (is_bot or is_in_group("Bots")):
		clear_highlights()
	
	# Handle finish line crossing
	if is_valid_finish and can_finish:
		rpc("finish_race")

@rpc("any_peer", "call_local")
func start_movement_along_path(path: Array, clear_visual: bool = true):
	is_player_moving = true
	var tween = create_tween()
	tween.set_trans(Tween.TRANS_CUBIC)
	tween.set_ease(Tween.EASE_IN_OUT)

	for point in path:
		tween.tween_property(self, "position", grid_to_world(Vector2i(point.x, point.y)), 0.5)

	tween.tween_callback(func():
		current_position = Vector2i(path[-1].x, path[-1].y)
		is_player_moving = false
		
		# Check if we've reached the finish line
		if current_position in finish_locations and can_finish:
			finish_race()
		
		var main = get_tree().get_root().get_node_or_null("Main")
		
		# Only clear visuals if this is a human player
		if not (is_bot or is_in_group("Bots")):
			if clear_visual:
				enhanced_gridmap.clear_path_visualization()
			
			# Restore movement range highlights if it was the player's turn
			if main and main.current_action_state == main.ActionState.MOVING and is_my_turn:
				highlight_movement_range()
		
		has_moved_this_turn = path.size() <= movement_range
		
		if main:
			if not (is_bot or is_in_group("Bots")):
				main.set_action_state(main.ActionState.NONE)
		
		if main and main.turn_based_mode:
			end_turn()
		_after_action_completed()
	)

#func trigger_finish_line():
	#if not is_multiplayer_authority():
		#return
		#
	#if current_lap == 0:  # First lap
		#lap1_finishers += 1
		#race_position = lap1_finishers
		#
		## Display first lap completion message
		#var message = "Finish 1st lap on " + get_ordinal_string(race_position)
		#rpc("display_message", message)
		#print("DEBUG: Triggered first lap finish. Position: ", race_position)
		#
		## Start second lap
		#current_lap += 1
		#rpc("start_new_lap")
		#
	#elif current_lap == 1:  # Second lap
		#lap2_finishers += 1
		#race_position = lap2_finishers
		#
		## Display second lap completion message
		#var message = "Finish 2nd lap on " + get_ordinal_string(race_position)
		#rpc("display_message", message)
		#print("DEBUG: Triggered second lap finish. Position: ", race_position)
#
##func debug_finish_state():
	##print("DEBUG: Current Position: ", current_position)
	##print("DEBUG: Can Finish: ", can_finish)
	##print("DEBUG: Current Lap: ", current_lap)
	##print("DEBUG: Pattern Match: ", check_pattern_match())
	##print("DEBUG: Is at finish: ", current_position in finish_locations)

func update_player_position(grid_position: Vector2i):
	position = grid_to_world(grid_position)

func grid_to_world(grid_position: Vector2i) -> Vector3:
	var world_position = Vector3(
		grid_position.x * cell_size.x + cell_size.x * 0.5,
		cell_size.y,
		grid_position.y * cell_size.z + cell_size.z * 0.5
	) + cell_offset
	return world_position

func start_turn():
	action_points = 2
	has_moved_this_turn = false
	has_performed_action = false
	is_my_turn = true
	if is_multiplayer_authority():
		rpc("display_message", "It's your turn!")
		_after_action_completed()

func end_turn():
	is_my_turn = false
	has_moved_this_turn = false
	if is_multiplayer_authority():
		get_tree().get_root().get_node_or_null("Main").request_next_turn()

func reset_race():
	current_lap = 0
	race_position = 0
	can_finish = false
	goals = first_lap_goals.duplicate()
	playerboard.fill(-1)
	if is_multiplayer_authority():
		rpc("sync_goals", goals)
		rpc("sync_playerboard", playerboard)

# Add a static reset for new games
static func reset_race_stats():
	lap1_finishers = 0
	lap2_finishers = 0

@rpc("any_peer", "call_local", "unreliable")
func remote_set_position(authority_position):
	global_position = authority_position

@rpc("any_peer", "call_local")
func display_message(message):
	$Bubble.show()
	$Bubble/Message.show()
	$Bubble/Message.text = str(message)
	await get_tree().create_timer(3).timeout
	$Bubble.hide()
	$Bubble/Message.hide()

func initialize_random_goals(_size:int, min_value:int, max_value:int, null_count:float) -> Array[int]:
	goals.clear()
	var rng = RandomNumberGenerator.new()
	rng.randomize()
	
	var result : Array[int] = []
	var null_val = 0
	var max_nulls = 3
	
	const SPECIAL_VALUES = {1: 7, 2: 8, 3: 9, 4: 10}
	
	for i in range(_size):
		if null_val < max_nulls and rng.randf() < null_count:
			result.append(-1)
			null_val += 1
		else:
			var val = rng.randi_range(min_value, max_value)
			result.append(val if not val in SPECIAL_VALUES else SPECIAL_VALUES[val])
	
	return result

# Remove this since goals are now set by main.gd
func append_random_goals():
	goals.append_array(initialize_random_goals(9, 7, 10, 1.0))
	
	if is_multiplayer_authority():
		rpc("sync_goals", goals)

func bot_try_grab_item() -> bool:
	if not enhanced_gridmap or action_points <= 0:
		return false
		
	# First check current position
	var current_cell = Vector3i(current_position.x, 1, current_position.y)
	var item = enhanced_gridmap.get_cell_item(current_cell)
	
	if item != -1:
		var empty_slot = playerboard.find(-1)
		if empty_slot != -1:
			if is_multiplayer_authority():
				playerboard[empty_slot] = item
				rpc("sync_grid_item", current_cell.x, current_cell.y, current_cell.z, -1)
				rpc("sync_playerboard", playerboard)
				has_performed_action = true
				action_points -= 1
				return true
	
	# Check adjacent cells if nothing at current position
	var neighbors = enhanced_gridmap.get_neighbors(current_position, 0)
	for neighbor in neighbors:
		if neighbor.is_walkable:
			var cell = Vector3i(neighbor.position.x, 1, neighbor.position.y)
			item = enhanced_gridmap.get_cell_item(cell)
			if item != -1:
				var empty_slot = playerboard.find(-1)
				if empty_slot != -1:
					if is_multiplayer_authority():
						playerboard[empty_slot] = item
						rpc("sync_grid_item", cell.x, cell.y, cell.z, -1)
						rpc("sync_playerboard", playerboard)
						has_performed_action = true
						action_points -= 1
						return true
	
	return false

# -----------------------------------------------------------------
# OLD GRAB Func
# -----------------------------------------------------------------
#func grab_item(grid_position: Vector2i = current_position) -> bool:
	#if is_bot:
		#return bot_try_grab_item()
		#
	#if not enhanced_gridmap or action_points <= 0:
		#return false
	#
	#var cell = Vector3i(grid_position.x, 1, grid_position.y)
	#var item = enhanced_gridmap.get_cell_item(cell)
	#
	#if grid_position != current_position:
		#var neighbors = enhanced_gridmap.get_neighbors(current_position, 0)
		#var is_adjacent = false
		#for neighbor in neighbors:
			#if neighbor.position == grid_position:
				#is_adjacent = true
				#break
		#if not is_adjacent:
			#return false
	#
	#if item == -1:
		#return false
	#
	## Bot-specific grab logic moved to bot_grab_item RPC
	#if is_in_group("Bots") or is_bot:
		#var empty_slot = playerboard.find(-1)
		#if empty_slot == -1:
			#return false
			#
		#if is_multiplayer_authority():
			#rpc("bot_grab_item", grid_position, empty_slot, cell.x, cell.y, cell.z)
		#return true
	#
	#var main = get_tree().get_root().get_node_or_null("Main")
	#if main:
		#selected_gridmap_position = grid_position
		#clear_highlights()
		#clear_playerboard_highlights()
		#
		#for i in range(playerboard.size()):
			#if playerboard[i] == -1:
				#var slot = main.playerboard_ui.get_child(i)
				#if slot.get_child_count() > 0:
					#slot.get_child(0).show()
				#highlighted_cells.append(i)
		#return true
#
	#return false
# -----------------------------------------------------------------
#func grab_item(grid_position: Vector2i = current_position) -> bool:
	#if not enhanced_gridmap or action_points <= 0:
		#return false
#
	#var cell = Vector3i(grid_position.x, 1, grid_position.y)
	#var item = enhanced_gridmap.get_cell_item(cell)
#
	## Validate adjacency (unless it's current position)
	#if grid_position != current_position:
		#var neighbors = enhanced_gridmap.get_neighbors(current_position, 0)
		#var is_adjacent = false
		#for neighbor in neighbors:
			#if neighbor.position == grid_position:
				#is_adjacent = true
				#break
		#if not is_adjacent:
			#return false
#
	#if item == -1:
		#return false
#
	## === AUTO-ARRANGE LOGIC ===
	#var target_slot = find_best_goal_slot_for_item(item)
	#if target_slot == -1:
		#return false  # no space
#
	## Perform the grab and auto-place
	#if is_multiplayer_authority():
		## Update gridmap: remove item
		#rpc("sync_grid_item", cell.x, cell.y, cell.z, -1)
		## Update playerboard
		#playerboard[target_slot] = item
		#rpc("sync_playerboard", playerboard)
		## Consume action
		#has_performed_action = true
		#consume_action_points(1)
#
		## Optional: visual feedback
		#var main = get_tree().get_root().get_node_or_null("Main")
		#if main:
			#main.update_playerboard_ui()
			#main.set_action_state(main.ActionState.NONE)
#
	#return true
# -----------------------------------------------------------------
func grab_item(grid_position: Vector2i = current_position) -> bool: 
	if not enhanced_gridmap or action_points <= 0:
		return false

	var cell = Vector3i(grid_position.x, 1, grid_position.y)
	var item = enhanced_gridmap.get_cell_item(cell)

	# Validate adjacency (unless it's current position) 
	if grid_position != current_position:
		var neighbors = enhanced_gridmap.get_neighbors(current_position, 0)
		var is_adjacent = false
		for neighbor in neighbors:
			if neighbor.position == grid_position:
				is_adjacent = true
				break
		if not is_adjacent:
			return false

	if item == -1:
		return false

	# === AUTO-ARRANGE LOGIC (Client-side pre-check) ===
	var target_slot = find_best_goal_slot_for_item(item)
	if target_slot == -1:
		print("Player: No valid slot found for item.")
		return false  # no space

	if not is_multiplayer_authority():
		return false

	# === Branching Logic: Host vs Client ===
	if multiplayer.is_server():
		# HOST/SERVER: Call the logic directly
		_execute_grab(grid_position, cell, item)
	else:
		# CLIENT: Send RPC request to server (peer 1)
		rpc_id(1, "request_server_grab", grid_position, cell.x, cell.y, cell.z, item)
	
	return true # Request was sent or processed

# -----------------------------------------------------------------
# Execute Grab
# -----------------------------------------------------------------

func _execute_grab(grid_pos: Vector2i, cell: Vector3i, item_id: int):
	var main = get_tree().get_root().get_node_or_null("Main")
	if not main:
		push_error("Server: Main node not found.")
		return false

	var server_gridmap = main.get_node("EnhancedGridMap")
	if not server_gridmap:
		push_error("Server: EnhancedGridMap not found.")
		return false

	# 1. Server-side Validation
	var server_item = server_gridmap.get_cell_item(cell)

	# Check if item is still there
	if server_item != item_id:
		print("Server: Item mismatch or already taken. Server has ", server_item)
		return false
	
	# Check action points
	if action_points <= 0: 
		print("Server: Player has no action points.")
		return false
	
	# Check adjacency
	if grid_pos != current_position:
		var neighbors = server_gridmap.get_neighbors(current_position, 0)
		if not neighbors.any(func(n): return n.position == grid_pos): 
			print("Server: Player is not adjacent to item.")
			return false

	# 2. Server-side Auto-Arrange
	var target_slot = find_best_goal_slot_for_item(item_id)
	if target_slot == -1:
		print("Server: Player has no valid slot for item.")
		return false

	# 3. Server Executes the Action
	
	# 3a. Update gridmap (using Main's RPC, which has authority)
	main.rpc("sync_grid_item", cell.x, cell.y, cell.z, -1)
	
	# 3b. Update playerboard state (on this server-side instance)
	playerboard[target_slot] = item_id 
	
	# 3c. Broadcast the new playerboard state to all clients
	rpc("sync_playerboard", playerboard)
	
	# 3d. Consume action points
	has_performed_action = true 
	consume_action_points(1)
	
	# 3e. Reset the UI for the player who acted
	# This will RPC to the client, or run locally for the host
	rpc("force_action_state_none")
	
	return true

# -----------------------------------------------------------------
# This function runs on the server when requested by a client
# -----------------------------------------------------------------
@rpc("any_peer", "reliable")
func request_server_grab(grid_pos: Vector2i, x: int, y: int, z: int, item_id: int):
	# 1. Only the server (peer 1) should process this
	if not multiplayer.is_server(): 
		return
	
	# 2. Security check: Did this request come from the actual owner of this node?
	if multiplayer.get_remote_sender_id() != get_multiplayer_authority(): 
		push_error("Security: Non-authority tried to grab item!")
		return
	
	# 3. Call the execution logic
	_execute_grab(grid_pos, Vector3i(x, y, z), item_id)

# -----------------------------------------------------------------
# Auto-put: no manual selection needed
# Automatically puts a goal-matching tile into an adjacent (or current) empty grid cell
# -----------------------------------------------------------------
func auto_put_item() -> bool:
	if not enhanced_gridmap or action_points <= 0 or is_bot or is_in_group("Bots"):
		return false

	# Step 1: Find empty adjacent (or current) grid cells
	var valid_put_positions = []
	var current_cell_3d = Vector3i(current_position.x, 1, current_position.y)
	if enhanced_gridmap.get_cell_item(current_cell_3d) == -1:
		valid_put_positions.append(current_position)

	var neighbors = enhanced_gridmap.get_neighbors(current_position, 0)
	for neighbor in neighbors:
		if neighbor.is_walkable:
			var pos = neighbor.position
			var cell_3d = Vector3i(pos.x, 1, pos.y)
			if enhanced_gridmap.get_cell_item(cell_3d) == -1 and not is_position_occupied(pos):
				valid_put_positions.append(pos)

	if valid_put_positions.is_empty():
		return false

	# Step 2: Find a tile that should NOT be on the board
	var put_slot = -1

	# Count how many times each goal item appears in central 3x3
	var goal_counts = {}
	for i in range(3):
		for j in range(3):
			var g = goals[i * 3 + j]
			if g != -1:
				goal_counts[g] = goal_counts.get(g, 0) + 1

	# Now scan playerboard
	for i in range(playerboard.size()):
		var item = playerboard[i]
		if item == -1:
			continue

		# Case 1: Item is not in goals at all → definitely junk
		if not item in goals:
			put_slot = i
			break

		# Case 2: Item is in goals, but we already have enough in correct spots
		var current_count = 0
		for r in range(1, 4):      # central rows 1-3 (5x5 board)
			for c in range(1, 4):  # central cols 1-3
				var idx = r * 5 + c
				if playerboard[idx] == item:
					current_count += 1

		# If we already have all needed copies in central area, this is extra
		if current_count >= goal_counts.get(item, 0):
			put_slot = i
			break

	# If no junk found, fall back to any non-goal-matching tile outside center
	if put_slot == -1:
		for i in range(playerboard.size()):
			var item = playerboard[i]
			if item == -1:
				continue
			var row = i / 5
			var col = i % 5
			# If it's outside the central 3x3, it shouldn't be there
			if row < 1 or row > 3 or col < 1 or col > 3:
				if not item in goals or playerboard[i] != goals[(row - 1) * 3 + (col - 1)]:
					put_slot = i
					break

	if put_slot == -1:
		return false  # Nothing suitable to put

	# Step 3: Perform the put
	var target_pos = valid_put_positions[0]
	var item = playerboard[put_slot]
	var cell = Vector3i(target_pos.x, 1, target_pos.y)

	if is_multiplayer_authority():
		rpc("sync_grid_item", cell.x, cell.y, cell.z, item)
		playerboard[put_slot] = -1
		rpc("sync_playerboard", playerboard)
		has_performed_action = true
		consume_action_points(1)

		var main = get_tree().get_root().get_node_or_null("Main")
		if main:
			main.set_action_state(main.ActionState.NONE)

	return true

# -----------------------------------------------------------------
# Force ActionState : None
# -----------------------------------------------------------------

@rpc("authority", "reliable")
func force_action_state_none():
	# This is called by the server on the client to reset the UI
	var main = get_tree().get_root().get_node_or_null("Main")
	if main:
		main.set_action_state(main.ActionState.NONE) 
	clear_highlights() 
	clear_playerboard_highlights()

# -----------------------------------------------------------------

@rpc("any_peer", "reliable")
func request_server_put(grid_position: Vector2i, slot_index: int, x: int, y: int, z: int, item: int):
	# This RPC should only be processed by the server
	if not multiplayer.is_server():
		return
		
	# Verify that this request came from the authority of this player
	if multiplayer.get_remote_sender_id() != get_multiplayer_authority():
		push_error("Security: Non-authority tried to put item!")
		return
	
	# Server-side validation
	var cell = Vector3i(x, y, z)
	if enhanced_gridmap.get_cell_item(cell) != -1:
		return  # Cell not empty
	
	# Check if position is adjacent or current position
	if grid_position != current_position:
		var is_adjacent = false
		var neighbors = enhanced_gridmap.get_neighbors(current_position, 0)
		for neighbor in neighbors:
			if neighbor.position == grid_position:
				is_adjacent = true
				break
		if not is_adjacent:
			return  # Not adjacent
	
	# Verify player has the item
	if playerboard[slot_index] != item:
		push_error("Item mismatch! Player doesn't have claimed item")
		return
		
	# Perform the put operation as the server
	rpc("sync_grid_item", x, y, z, item)
	playerboard[slot_index] = -1
	rpc("sync_playerboard", playerboard)
	
	# Update player state
	has_performed_action = true
	action_points -= 1
	selected_playerboard_slot = -1
	
	# Notify about action completion
	_after_action_completed()

# Add new RPC function to notify others about spawn selection
@rpc("any_peer", "reliable")
func notify_spawn_selected(spawn_pos: Vector2i):
	# Update local highlight state for all clients
	if spawn_pos in highlighted_spawn_points:
		highlighted_spawn_points.erase(spawn_pos)
		
	# Clear highlight for the selected position
	if enhanced_gridmap:
		enhanced_gridmap.set_cell_item(
			Vector3i(spawn_pos.x, 0, spawn_pos.y),
			enhanced_gridmap.normal_items[0]
		)

# Disabled, auto put activated
#func handle_put_action():
	#var main = get_tree().get_root().get_node_or_null("Main")
	#if not main or action_points < 1:
		#return
	#
	#if not is_bot == true:
		#clear_highlights()
		#clear_playerboard_highlights()
	#
	## Highlight non-empty slots in playerboard
	#for i in range(playerboard.size()):
		#if playerboard[i] != -1:  # Highlight occupied slots
			#var slot = main.playerboard_ui.get_child(i)
			#if slot.get_child_count() > 0:
				#slot.get_child(0).show()  # Show highlight for occupied slots
			#highlighted_cells.append(i)

func handle_playerboard_slot_selected(slot_index: int):
	var main = get_tree().get_root().get_node_or_null("Main")
	if not main:
		return
		
	if main.current_action_state == main.ActionState.PUTTING:
		if playerboard[slot_index] != -1:  # If slot has an item
			selected_playerboard_slot = slot_index
			clear_highlights()
			highlight_empty_adjacent_cells()  # Highlight valid put locations
	elif main.current_action_state == main.ActionState.GRABBING:
		if slot_index in highlighted_cells and playerboard[slot_index] == -1:
			var cell = Vector3i(selected_gridmap_position.x, 1, selected_gridmap_position.y)
			var item = enhanced_gridmap.get_cell_item(cell)
			
			if item != -1:
				if is_multiplayer_authority():
					playerboard[slot_index] = item
					rpc("sync_grid_item", cell.x, cell.y, cell.z, -1)
					rpc("sync_playerboard", playerboard)
				
				has_performed_action = true
				consume_action_points(1)
				if not is_bot == true:
					clear_highlights()
					clear_playerboard_highlights()
				selected_gridmap_position = Vector2i(-1, -1)
				main.set_action_state(main.ActionState.NONE)
				_after_action_completed()

# We also need to add handle_put_slot_selected:
func handle_put_slot_selected(slot_index: int):
	var main = get_tree().get_root().get_node_or_null("Main")
	if not main or main.current_action_state != main.ActionState.PUTTING:
		return
	
	print("PUT slot selected: ", slot_index, ", item: ", playerboard[slot_index])

	if slot_index in highlighted_cells and playerboard[slot_index] in goals:
		selected_playerboard_slot = slot_index
		clear_highlights()
		if not is_bot == true:
			highlight_empty_adjacent_cells()
	
	if playerboard[slot_index] != -1:  # If slot has an item
		selected_playerboard_slot = slot_index
		
		# Visual feedback of selection
		clear_highlights()
		
		# Highlight valid put locations
		highlight_empty_adjacent_cells()  
		
		# Print debug info
		print("Selected slot ", slot_index, " for PUT with item ", playerboard[slot_index])
		print("Highlighted cells: ", highlighted_cells)


func arrange_playerboard_item(slot_index: int):
	if action_points < 2 or playerboard[slot_index] == -1:
		return

	var selected_item = playerboard[slot_index]
	var adjacent_slots = get_adjacent_playerboard_slots(slot_index)

	var main = get_tree().get_root().get_node_or_null("Main")
	if not main or not main.playerboard_ui:
		return

	# Store the selected slot
	selected_playerboard_slot = slot_index

	# Highlight selected slot
	var selected_slot_ui = main.playerboard_ui.get_child(slot_index)
	if selected_slot_ui.get_child_count() > 1:
		selected_slot_ui.get_child(1).show()

	# Highlight valid adjacent slots
	for adj_slot in adjacent_slots:
		if playerboard[adj_slot] == -1:  # Only highlight empty adjacent slots
			var adj_slot_ui = main.playerboard_ui.get_child(adj_slot)
			if adj_slot_ui.get_child_count() > 2:
				adj_slot_ui.get_child(2).show()
			highlighted_cells.append(adj_slot)

	# Connect to slot click signals
	for i in range(playerboard.size()):
		var slot = main.playerboard_ui.get_child(i)
		if not slot.gui_input.is_connected(_on_slot_clicked):
			slot.gui_input.connect(_on_slot_clicked.bind(i))

func _on_slot_clicked(event: InputEvent, slot_index: int):
	if not event is InputEventMouseButton or is_bot == true or not event.pressed or event.button_index != MOUSE_BUTTON_LEFT:
		return

	var main = get_tree().get_root().get_node_or_null("Main")
	if not main or main.current_action_state != main.ActionState.ARRANGING:
		return

	if selected_playerboard_slot == -1 or slot_index == selected_playerboard_slot:
		return

	var adjacent_slots = get_adjacent_playerboard_slots(selected_playerboard_slot)
	if slot_index in adjacent_slots and playerboard[slot_index] == -1:
		# Move item to empty target slot
		var selected_item = playerboard[selected_playerboard_slot]
		playerboard[slot_index] = selected_item
		playerboard[selected_playerboard_slot] = -1

		if is_multiplayer_authority():
			rpc("sync_playerboard", playerboard)
			consume_action_points(2)
			has_performed_action = true

		# Clear highlights
			clear_highlights()
			clear_playerboard_highlights()
		
		# Reset selection
		selected_playerboard_slot = -1

		# Update the visual representation
		main.update_playerboard_ui()
		main.set_action_state(main.ActionState.NONE)

func is_valid_arrangement_slot(from_slot: int, to_slot: int) -> bool:
	var from_row = from_slot / 5
	var from_col = from_slot % 5
	var to_row = to_slot / 5
	var to_col = to_slot % 5

	var row_diff = abs(from_row - to_row)
	var col_diff = abs(from_col - to_col)

	return (row_diff == 1 and col_diff == 0) or (row_diff == 0 and col_diff == 1)

# Returns { slot_index: int, grid_position: Vector2i } or null if no valid put
func find_best_put_candidate() -> Dictionary:
	# Convert goals to 2D (3x3)
	var goals_2d = []
	for i in range(3):
		var row = []
		for j in range(3):
			row.append(goals[i * 3 + j])
		goals_2d.append(row)

	# Convert playerboard to 2D (5x5)
	var board_2d = []
	for i in range(5):
		var row = []
		for j in range(5):
			row.append(playerboard[i * 5 + j])
		board_2d.append(row)

	# Step 1: Find misplaced or extra goal-matching items
	var candidate_items = []
	for board_i in range(5):
		for board_j in range(5):
			var item = board_2d[board_i][board_j]
			if item == -1:
				continue
			var board_idx = board_i * 5 + board_j

			# Is this item part of the goals?
			if item not in goals:
				continue

			# Is it already in the correct central position?
			var is_in_correct_central_spot = false
			if board_i in [1,2,3] and board_j in [1,2,3]:
				var goal_i = board_i - 1
				var goal_j = board_j - 1
				if goals_2d[goal_i][goal_j] == item:
					is_in_correct_central_spot = true

			if not is_in_correct_central_spot:
				candidate_items.append({
					"slot": board_idx,
					"item": item
				})

	# Step 2: Find valid adjacent empty grid cells
	var valid_cells = []
	# Check current position
	var current_cell_3d = Vector3i(current_position.x, 1, current_position.y)
	if enhanced_gridmap.get_cell_item(current_cell_3d) == -1:
		valid_cells.append(current_position)
	# Check neighbors
	var neighbors = enhanced_gridmap.get_neighbors(current_position, 0)
	for neighbor in neighbors:
		if neighbor.is_walkable:
			var pos = neighbor.position
			var cell_3d = Vector3i(pos.x, 1, pos.y)
			if enhanced_gridmap.get_cell_item(cell_3d) == -1 and not is_position_occupied(pos):
				valid_cells.append(pos)

	if valid_cells.is_empty() or candidate_items.is_empty():
		return {}

	# Step 3: Prefer to put an item that *completes* a missing goal
	for goal_i in range(3):
		for goal_j in range(3):
			var needed_item = goals_2d[goal_i][goal_j]
			if needed_item == -1:
				continue
			# Check if central spot is empty
			var board_i = goal_i + 1
			var board_j = goal_j + 1
			var central_slot = board_i * 5 + board_j
			if playerboard[central_slot] == -1:
				# Look for this item in candidate_items
				for cand in candidate_items:
					if cand.item == needed_item:
						if not valid_cells.is_empty():
							return {
								"slot_index": cand.slot,
								"grid_position": valid_cells[0]  # pick first valid cell
							}

	# Fallback: just put any candidate item
	return {
		"slot_index": candidate_items[0].slot,
		"grid_position": valid_cells[0]
	}

# Finds the best slot in the playerboard for a given item based on goals
func find_best_goal_slot_for_item(item: int) -> int:
	if item == -1:
		return -1

	# Convert goals to 2D (3x3)
	var goals_2d = []
	for i in range(3):
		var row = []
		for j in range(3):
			row.append(goals[i * 3 + j])
		goals_2d.append(row)

	# Search for where this item should go in the central 3x3 (mapped to 5x5 board)
	for i in range(3):
		for j in range(3):
			if goals_2d[i][j] == item:
				var board_row = i + 1  # offset to center in 5x5
				var board_col = j + 1
				var slot_index = board_row * 5 + board_col
				if playerboard[slot_index] == -1:  # only if empty
					return slot_index

	# No ideal slot? Return any empty slot
	return playerboard.find(-1)

func get_adjacent_playerboard_slots(slot_index) -> Array:
	var adjacent = []
	var row = slot_index / 5
	var col = slot_index % 5
	
	if row > 0: adjacent.append(slot_index - 5)
	if row < 4: adjacent.append(slot_index + 5)
	if col > 0: adjacent.append(slot_index - 1)
	if col < 4: adjacent.append(slot_index + 1)
	
	return adjacent

func has_item_at_current_position() -> bool:
	var current_cell = Vector3i(current_position.x, 1, current_position.y)
	return enhanced_gridmap.get_cell_item(current_cell) != -1

func has_items_in_playerboard() -> bool:
	return playerboard.any(func(item): return item != -1)

func playerboard_is_full() -> bool:
	return playerboard.find(-1) == -1

func highlight_cells_if_authorized(cells_to_highlight: Array):
	if not is_multiplayer_authority() or is_bot or is_in_group("Bots"):
		return
		
	clear_highlights()
	for cell in cells_to_highlight:
		highlighted_cells.append(cell)
		enhanced_gridmap.set_cell_item(
			Vector3i(cell.x, 0, cell.y), 
			enhanced_gridmap.hover_item
		)

# Update highlight_movement_range to respect the expanded obstacle blocking
func highlight_movement_range():
	if not is_multiplayer_authority() or is_bot or is_in_group("Bots"):
		return
	
	# Prevent recursive highlighting
	if _is_highlighting:
		return
	_is_highlighting = true
	
	clear_highlights()
	var cells_to_highlight = []
	
	# First, identify all cells that are blocked by obstacles
	var blocked_cells = []
	
	# Check all cells for obstacles and get their blocked cells
	for x in range(enhanced_gridmap.columns):
		for z in range(enhanced_gridmap.rows):
			var cell_pos = Vector2i(x, z)
			var cell_pos3d = Vector3i(x, 3, z)
			
			if enhanced_gridmap.has_obstacle_at(cell_pos3d):
				var orientation = enhanced_gridmap.get_obstacle_orientation(cell_pos3d)
				blocked_cells.append_array(enhanced_gridmap.get_cells_blocked_by_obstacle(cell_pos, orientation, 3))
	
	# Now highlight all cells within movement range that aren't blocked
	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 current position
			if test_pos == current_position:
				continue
			
			# Check if within movement range
			if is_within_movement_range(test_pos):
				# Skip if blocked by obstacle
				if test_pos in blocked_cells:
					continue
				
				# Check basic walkability
				var cell_item = enhanced_gridmap.get_cell_item(Vector3i(x, 0, z))
				if cell_item == -1 or cell_item in enhanced_gridmap.non_walkable_items or is_position_occupied(test_pos):
					continue
				
				# Check if there's a valid path to this cell
				if can_reach_cell(test_pos, blocked_cells):
					cells_to_highlight.append(test_pos)
	
	# At the end of the function:
	highlight_cells_if_authorized(cells_to_highlight)
	_is_highlighting = false

# Helper function to check if a cell can be reached given the blocked cells
func can_reach_cell(target_pos: Vector2i, blocked_cells: Array) -> bool:
	# Simple BFS to find if there's a path
	var queue = [current_position]
	var visited = {current_position: true}
	var steps = {current_position: 0}
	
	while not queue.is_empty():
		var current = queue.pop_front()
		
		# If we've found the target, check if it's within movement range
		if current == target_pos:
			return steps[current] <= movement_range
		
		# If we've used all movement, don't explore further
		if steps[current] >= movement_range:
			continue
		
		# Try all adjacent cells
		var directions = [
			Vector2i(0, -1),  # North
			Vector2i(1, 0),   # East
			Vector2i(0, 1),   # South
			Vector2i(-1, 0),  # West
		]
		
		# Add diagonal directions if enabled
		if enhanced_gridmap.diagonal_movement:
			directions.append(Vector2i(-1, -1))  # Northwest
			directions.append(Vector2i(1, -1))   # Northeast
			directions.append(Vector2i(-1, 1))   # Southwest
			directions.append(Vector2i(1, 1))    # Southeast
		
		for dir in directions:
			var next_pos = current + dir
			
			# Skip if already visited, blocked, or not valid
			if visited.has(next_pos) or next_pos in blocked_cells:
				continue
				
			if not enhanced_gridmap.is_position_valid(next_pos) or not enhanced_gridmap.is_cell_walkable(next_pos, 0):
				continue
				
			if is_position_occupied(next_pos) and next_pos != target_pos:
				continue
			
			# Check if movement between cells is blocked by an obstacle
			if not is_diagonal_direction(dir) and enhanced_gridmap.is_movement_blocked(current, next_pos, 3):
				continue
				
			# For diagonal movement, check if both orthogonal paths are blocked
			if is_diagonal_direction(dir):
				var mid1 = Vector2i(next_pos.x, current.y)
				var mid2 = Vector2i(current.x, next_pos.y)
				
				var path1_blocked = mid1 in blocked_cells or enhanced_gridmap.is_movement_blocked(current, mid1, 3)
				var path2_blocked = mid2 in blocked_cells or enhanced_gridmap.is_movement_blocked(current, mid2, 3)
				
				if path1_blocked and path2_blocked:
					continue
			
			# Add to queue
			queue.append(next_pos)
			visited[next_pos] = true
			steps[next_pos] = steps[current] + 1
	
	return false

# Helper function to check if a direction is diagonal
func is_diagonal_direction(direction: Vector2i) -> bool:
	return direction.x != 0 and direction.y != 0

func highlight_adjacent_cells():
	if not is_multiplayer_authority() or is_bot or is_in_group("Bots"):
		return
		
	var cells_to_highlight = []
	
	# Add current position if item exists
	var current_cell = Vector3i(current_position.x, 1, current_position.y)
	if enhanced_gridmap.get_cell_item(current_cell) != -1:
		cells_to_highlight.append(current_position)
	
	# Add valid neighbors
	var neighbors = enhanced_gridmap.get_neighbors(current_position, 0)
	for neighbor in neighbors:
		if neighbor.is_walkable:
			var cell_pos = neighbor.position
			if enhanced_gridmap.get_cell_item(Vector3i(cell_pos.x, 1, cell_pos.y)) != -1:
				cells_to_highlight.append(cell_pos)
	
	highlight_cells_if_authorized(cells_to_highlight)

func highlight_empty_adjacent_cells():
	if is_bot == true or is_in_group("Bots"):
		return
		
	# Debug print
	print("Highlighting empty adjacent cells. Current position: ", current_position)
	
	# Clear previous highlights
	clear_highlights()
	
	# Highlight current position if empty
	var current_cell = Vector3i(current_position.x, 1, current_position.y)
	if enhanced_gridmap.get_cell_item(current_cell) == -1:
		highlighted_cells.append(current_position)
		enhanced_gridmap.set_cell_item(Vector3i(current_position.x, 0, current_position.y), 
			enhanced_gridmap.hover_item)
		print("Highlighted current position: ", current_position)
	
	# Highlight empty adjacent cells
	var neighbors = enhanced_gridmap.get_neighbors(current_position, 0)
	for neighbor in neighbors:
		if neighbor.is_walkable:
			var cell_pos = neighbor.position
			var cell = Vector3i(cell_pos.x, 1, cell_pos.y)
			if enhanced_gridmap.get_cell_item(cell) == -1:  # Check if cell is empty
				highlighted_cells.append(cell_pos)
				enhanced_gridmap.set_cell_item(Vector3i(cell_pos.x, 0, cell_pos.y), 
					enhanced_gridmap.hover_item)
				print("Highlighted adjacent cell: ", cell_pos)

@rpc("any_peer", "call_local")
func sync_action_points(points: int):
	action_points = points

func highlight_random_valid_cells():
	if is_bot == true or is_in_group("Bots") or not is_multiplayer_authority():
		return

	clear_highlights()
	
	# First check the current position
	var current_cell = Vector3i(current_position.x, 1, current_position.y)
	var current_item = enhanced_gridmap.get_cell_item(current_cell)
	if current_item != -1:
		highlighted_cells.append(current_position)
		enhanced_gridmap.set_cell_item(Vector3i(current_position.x, 0, current_position.y), 
			enhanced_gridmap.hover_item)
	
	# Then check all adjacent cells for items
	var neighbors = enhanced_gridmap.get_neighbors(current_position, 0)
	for neighbor in neighbors:
		if neighbor.is_walkable:
			var cell_pos = neighbor.position
			var cell = Vector3i(cell_pos.x, 1, cell_pos.y)
			if enhanced_gridmap.get_cell_item(cell) != -1:  # Only highlight cells with items
				highlighted_cells.append(cell_pos)
				enhanced_gridmap.set_cell_item(Vector3i(cell_pos.x, 0, cell_pos.y), 
					enhanced_gridmap.hover_item)

func highlight_occupied_playerboard_slots():
	if is_bot == true or is_in_group("Bots") or not is_multiplayer_authority():
		return
		
	var main = get_tree().get_root().get_node_or_null("Main")
	if not main or not main.playerboard_ui:
		return
		
	# First reset all slots to normal
	for i in range(playerboard.size()):
		var slot = main.playerboard_ui.get_child(i)
		for child in slot.get_children():
			child.hide()
	
	# Highlight occupied slots that match goals
	for i in range(playerboard.size()):
		if playerboard[i] in goals:
			var slot = main.playerboard_ui.get_child(i)
			if slot.get_child_count() > 0:
				slot.get_child(0).show()  # Show highlight for matching items
			highlighted_cells.append(i)  # Add to highlighted cells for tracking

	# Update the UI to reflect changes
	main.update_playerboard_ui()

func clear_highlights():
	# Never allow bots to clear highlights for human players
	if is_bot or is_in_group("Bots"):
		return
		
	if not enhanced_gridmap or not is_multiplayer_authority():
		return

	# Store the current action state before clearing
	var main = get_tree().get_root().get_node_or_null("Main")
	var current_state = main.current_action_state if main else null

	for cell in highlighted_cells:
		if cell is Vector2i:
			enhanced_gridmap.set_cell_item(Vector3i(cell.x, 0, cell.y), enhanced_gridmap.normal_items[0])
	
	highlighted_cells.clear()

	if main and main.playerboard_ui:
		for i in range(main.playerboard_ui.get_child_count()):
			var slot = main.playerboard_ui.get_child(i)
			for child in slot.get_children():
				child.hide()

	# Restore highlights based on current action state
	if main and current_state == main.ActionState.MOVING and is_my_turn and current_state != main.ActionState.PLACING_OBSTACLE:
		highlight_movement_range()

func clear_playerboard_highlights():
	# Never allow bots to clear highlights for human players
	if is_bot or is_in_group("Bots"):
		return
		
	if not is_multiplayer_authority():
		return
		
	var main = get_tree().get_root().get_node_or_null("Main")
	if main and main.playerboard_ui:
		for i in range(main.playerboard_ui.get_child_count()):
			var slot = main.playerboard_ui.get_child(i)
			if slot.get_child_count() > 0: slot.get_child(0).hide()
			if slot.get_child_count() > 1: slot.get_child(1).hide()
			if slot.get_child_count() > 2: slot.get_child(2).hide()

	highlighted_cells.clear()

func rotate_towards_target(target_pos: Vector2i):
	var direction = Vector2(target_pos.x - current_position.x, target_pos.y - current_position.y).normalized()
	target_rotation = atan2(direction.x, direction.y)
	
	if is_multiplayer_authority():
		rpc("sync_rotation", target_rotation)
	
	var tween = create_tween()
	tween.tween_property(self, "rotation:y", target_rotation, 0.2)

# We also need to add these supporting functions:
func select_playerboard_slot(slot_index: int):
	selected_playerboard_slot = slot_index
	_update_playerboard_slot_visual(slot_index)
	_highlight_adjacent_playerboard_slots()

func deselect_playerboard_slot():
	var old_selected = selected_playerboard_slot
	selected_playerboard_slot = -1
	if old_selected != -1:
		_update_playerboard_slot_visual(old_selected)
	untarget_playerboard_slot()
	_highlight_adjacent_playerboard_slots()

func target_playerboard_slot(slot_index: int):
	if targeted_playerboard_slot != -1:
		untarget_playerboard_slot()
	targeted_playerboard_slot = slot_index
	_update_playerboard_slot_visual(slot_index)

func untarget_playerboard_slot():
	if targeted_playerboard_slot != -1:
		var old_targeted = targeted_playerboard_slot
		targeted_playerboard_slot = -1
		_update_playerboard_slot_visual(old_targeted)

func can_move_to_target_playerboard_slot() -> bool:
	if selected_playerboard_slot == -1 or targeted_playerboard_slot == -1 or selected_playerboard_slot == targeted_playerboard_slot:
		return false
	
	var adjacent_slots = get_adjacent_playerboard_slots(selected_playerboard_slot)
	return adjacent_slots.has(targeted_playerboard_slot)

func _update_playerboard_slot_visual(slot_index: int):
	var main = get_tree().get_root().get_node_or_null("Main")
	if not main or not main.playerboard_ui:
		return

	var slot = main.playerboard_ui.get_child(slot_index)
	if slot:
		if slot.get_child_count() > 0:
			slot.get_child(0).visible = slot_index == selected_playerboard_slot
		if slot.get_child_count() > 1:
			slot.get_child(1).visible = slot_index == targeted_playerboard_slot
		if slot.get_child_count() > 2:
			slot.get_child(2).visible = selected_playerboard_slot != -1 and get_adjacent_playerboard_slots(selected_playerboard_slot).has(slot_index)

func _highlight_adjacent_playerboard_slots():
	var main = get_tree().get_root().get_node_or_null("Main")
	if not main or not main.playerboard_ui:
		return

	for i in range(25):
		var slot = main.playerboard_ui.get_child(i)
		if slot.get_child_count() > 2:
			slot.get_child(2).hide()

	if selected_playerboard_slot != -1:
		var adjacent_slots = get_adjacent_playerboard_slots(selected_playerboard_slot)
		for adj_slot in adjacent_slots:
			var slot = main.playerboard_ui.get_child(adj_slot)
			if slot.get_child_count() > 2:
				slot.get_child(2).show()

@rpc("any_peer", "call_local", "reliable")
func sync_rotation(new_rotation: float):
	if not is_multiplayer_authority():
		rotation.y = new_rotation

@rpc("any_peer", "call_local", "reliable")
func sync_grid_item(x: int, y: int, z: int, item: int):
	if enhanced_gridmap:
		var cell = Vector3i(x, y, z)
		
		# Log the change for debugging
		print("Setting grid item at ", cell, " to ", item, " (called by ", multiplayer.get_remote_sender_id(), ")")
		
		# Make sure we set the cell reliably
		enhanced_gridmap.set_cell_item(cell, item)
		
		# Double-check the cell was set
		var check_value = enhanced_gridmap.get_cell_item(cell)
		if check_value != item:
			push_warning("Cell item didn't update correctly! Expected " + str(item) + " but got " + str(check_value))
			# Try once more
			enhanced_gridmap.set_cell_item(cell, item)

@rpc("any_peer", "call_local")
func sync_goals(new_goals: Array):
	goals = new_goals.duplicate()  # Make sure to duplicate the array

@rpc("any_peer", "call_local")
func sync_playerboard(new_playerboard: Array):
	playerboard = new_playerboard.duplicate()
	var main = get_tree().get_root().get_node_or_null("Main")
	if main:
		main.rpc("sync_playerboard", get_multiplayer_authority(), playerboard)
	_after_action_completed()

func _after_action_completed():
	# Guard against recursive calls
	if _is_processing_action:
		return
	_is_processing_action = true
	
	if is_multiplayer_authority():
		update_finish_availability()
	
	# Clear the highlights after placing the tiles. (Quickfix for Clientside)
	clear_highlights()
	
	if multiplayer.get_unique_id() == get_multiplayer_authority():
		var main = get_tree().get_root().get_node_or_null("Main")
		if main:
			# Add this condition for bots
			if not main.turn_based_mode and (action_points <= 0 or is_bot):
				action_points = 20  # For bots in non-turn-based mode, this will keep refreshing
				has_performed_action = false
				has_moved_this_turn = false
				
			main.update_button_states()
			main.update_playerboard_ui()
			
			# Add this line to sync all boards
			main.update_all_players_boards()
			
			# Add sync for playerboard
			if is_multiplayer_authority():
				main.rpc("sync_playerboard", get_multiplayer_authority(), playerboard)
	
	_is_processing_action = false

func is_finish_position(pos: Vector2i) -> bool:
	return pos in finish_locations

func consume_action_points(points: int):
	if not is_instance_valid(self) or not is_multiplayer_authority():
		return
		
	var main = get_tree().get_root().get_node_or_null("Main")
	if not main:
		return
		
	# Don't consume points for bots in non-turn-based mode
	if is_bot == true and not main.turn_based_mode:
		_after_action_completed()
		return
		
	action_points -= points
		
	if action_points <= 0:
		if main.turn_based_mode:
			main.request_next_turn()
		else:
			action_points = 2
			has_performed_action = false
			has_moved_this_turn = false
			rpc("display_message", "Action Points Reset!")
			
	_after_action_completed()

@rpc("any_peer", "call_local")
func bot_grab_item(pos: Vector2i, slot: int, x: int, y: int, z: int):
	if not (is_bot or is_in_group("Bots")):
		return
		
	var cell = Vector3i(x, y, z)
	var item = enhanced_gridmap.get_cell_item(cell)
	
	if item != -1:
		playerboard[slot] = item
		enhanced_gridmap.set_cell_item(cell, -1)
		has_performed_action = true
		action_points -= 1
		_after_action_completed()

@rpc("any_peer", "call_local")
func bot_put_item(pos: Vector2i, slot: int, x: int, y: int, z: int):
	if not (is_bot or is_in_group("Bots")):
		return
		
	var cell = Vector3i(x, y, z)
	var item = playerboard[slot]
	
	if enhanced_gridmap.get_cell_item(cell) == -1:
		enhanced_gridmap.set_cell_item(cell, item)
		playerboard[slot] = -1
		has_performed_action = true
		action_points -= 1
		_after_action_completed()

@rpc("any_peer", "call_local")
func bot_arrange_item(from_slot: int, to_slot: int):
	if not (is_bot or is_in_group("Bots")) or action_points < 2:
		return
		
	if playerboard[from_slot] != -1 and playerboard[to_slot] == -1:
		var temp = playerboard[from_slot]
		playerboard[from_slot] = -1
		playerboard[to_slot] = temp
		has_performed_action = true
		action_points -= 2
		_after_action_completed()

func update_visual_position():
	# Ensure proper grid-aligned positioning
	global_position = Vector3(
		current_position.x * cell_size.x + cell_size.x * 0.5,
		1.0,
		current_position.y * cell_size.z + cell_size.z * 0.5
	)
	if is_multiplayer_authority():
		rpc("sync_position", current_position)

@rpc("any_peer", "call_local")
func sync_position(pos: Vector2i):
	current_position = pos
	# Always update the visual position after position sync
	global_position = Vector3(
		current_position.x * cell_size.x + cell_size.x * 0.5,
		cell_size.y,
		current_position.y * cell_size.z + cell_size.z * 0.5
	) + cell_offset

func highlight_valid_obstacle_cells():
	if not is_multiplayer_authority() or is_bot or is_in_group("Bots"):
		return
		
	clear_highlights()
	
	var cells_to_highlight = []
	
	# Highlight all empty cells on the grid except those occupied by players or obstacles
	for x in range(enhanced_gridmap.columns):
		for z in range(enhanced_gridmap.rows):
			var pos = Vector2i(x, z)
			var cell = Vector3i(x, 3, z)  # Check floor 3 for occupancy
			var occupied_by_player = false
			var occupied_by_obstacle = false
			
			# Check if cell is occupied by any player
			for player in get_tree().get_nodes_in_group("Players"):
				if player.current_position == pos:
					occupied_by_player = true
					break
			
			# Check if cell is occupied by an obstacle
			if enhanced_gridmap.get_cell_item(cell) in enhanced_gridmap.obstacle_items:
				occupied_by_obstacle = true
			
			# Only add to highlights if not occupied by player or obstacle
			if not occupied_by_player and not occupied_by_obstacle:
				cells_to_highlight.append(pos)
	
	highlight_cells_if_authorized(cells_to_highlight)