fix the issues of PUT action, on client side

scenes/player.gd

@@ -523,6 +523,44 @@ func grab_item(grid_position: Vector2i = current_position) -> bool:
 
 	return false
 
+# func put_item(grid_position: Vector2i = current_position) -> bool:
+# 	if not enhanced_gridmap or action_points <= 0 or selected_playerboard_slot == -1:
+# 		return false
+
+# 	var cell = Vector3i(grid_position.x, 1, grid_position.y)
+# 	if enhanced_gridmap.get_cell_item(cell) != -1:
+# 		return false
+
+# 	# 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 false
+
+# 	var item = playerboard[selected_playerboard_slot]
+# 	if is_multiplayer_authority():
+# 		rpc("sync_grid_item", cell.x, cell.y, cell.z, item)
+# 		playerboard[selected_playerboard_slot] = -1
+# 		rpc("sync_playerboard", playerboard)
+	
+# 	has_performed_action = true
+# 	consume_action_points(1)
+# 	if not is_bot == true:
+# 		clear_highlights()
+# 		clear_playerboard_highlights()
+# 	selected_playerboard_slot = -1
+	
+# 	var main = get_tree().get_root().get_node_or_null("Main")
+# 	if main:
+# 		main.set_action_state(main.ActionState.NONE)
+# 	_after_action_completed()
+# 	return true
+
 func put_item(grid_position: Vector2i = current_position) -> bool:
 	if not enhanced_gridmap or action_points <= 0 or selected_playerboard_slot == -1:
 		return false
@@ -542,24 +580,82 @@ func put_item(grid_position: Vector2i = current_position) -> bool:
 		if not is_adjacent:
 			return false
 
+	# Get the item to place first
 	var item = playerboard[selected_playerboard_slot]
-	if is_multiplayer_authority():
+	
+	# For clients, we need to RPC to the server first, then let the server RPC back
+	if is_multiplayer_authority() and not multiplayer.is_server():
+		# Client requests server to perform the put operation
+		rpc_id(1, "request_server_put", grid_position, selected_playerboard_slot, cell.x, cell.y, cell.z, item)
+		
+		# We'll return true and let the server handle the actual operation
+		# The server will RPC back to update our state if successful
+		return true
+	elif is_multiplayer_authority() and multiplayer.is_server():
+		# Server directly implements the change
 		rpc("sync_grid_item", cell.x, cell.y, cell.z, item)
 		playerboard[selected_playerboard_slot] = -1
 		rpc("sync_playerboard", playerboard)
+		
+		has_performed_action = true
+		consume_action_points(1)
+		if not is_bot == true:
+			clear_highlights()
+			clear_playerboard_highlights()
+		selected_playerboard_slot = -1
+		
+		var main = get_tree().get_root().get_node_or_null("Main")
+		if main:
+			main.set_action_state(main.ActionState.NONE)
+		_after_action_completed()
+		return true
 	
+	return false
+
+@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
-	consume_action_points(1)
-	if not is_bot == true:
-		clear_highlights()
-		clear_playerboard_highlights()
+	action_points -= 1
 	selected_playerboard_slot = -1
 	
-	var main = get_tree().get_root().get_node_or_null("Main")
-	if main:
-		main.set_action_state(main.ActionState.NONE)
+	# Notify about action completion
 	_after_action_completed()
-	return true
 
 func handle_put_action():
 	var main = get_tree().get_root().get_node_or_null("Main")
@@ -613,12 +709,27 @@ 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):
@@ -771,9 +882,12 @@ func highlight_adjacent_cells():
 	highlight_cells_if_authorized(cells_to_highlight)
 
 func highlight_empty_adjacent_cells():
-	if is_bot == true or is_in_group("Bots") or not is_multiplayer_authority():
+	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()
 	
@@ -783,6 +897,7 @@ func highlight_empty_adjacent_cells():
 		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)
@@ -794,6 +909,13 @@ func highlight_empty_adjacent_cells():
 				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():
@@ -969,7 +1091,20 @@ func sync_rotation(new_rotation: float):
 @rpc("any_peer", "call_local", "reliable")
 func sync_grid_item(x: int, y: int, z: int, item: int):
 	if enhanced_gridmap:
-		enhanced_gridmap.set_cell_item(Vector3i(x, y, z), item)
+		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):