added inventory equipment system

src/scripts/player.gd

@@ -599,6 +599,18 @@ func _apply_appearance_to_sprites():
 func _on_character_changed(_char: CharacterStats):
 	# Update appearance when character stats change (e.g., equipment)
 	_apply_appearance_to_sprites()
+	
+	# Sync equipment changes to other clients
+	if multiplayer.has_multiplayer_peer() and is_multiplayer_authority() and can_send_rpcs and is_inside_tree():
+		# Sync equipment to all clients
+		var equipment_data = {}
+		for slot_name in character_stats.equipment.keys():
+			var item = character_stats.equipment[slot_name]
+			if item:
+				equipment_data[slot_name] = item.save()  # Serialize item data
+			else:
+				equipment_data[slot_name] = null
+		_sync_equipment.rpc(equipment_data)
 
 func _get_player_color() -> Color:
 	# Legacy function - now returns white (no color tint)
@@ -782,18 +794,20 @@ func _physics_process(delta):
 		if is_dead:
 			return
 		
-		# Skip input if controls are disabled (e.g., when player reached exit)
-		if controls_disabled:
-			velocity = velocity.lerp(Vector2.ZERO, delta * 8.0) # Slow down movement
-			return
-		
-		# Handle knockback timer
+		# Handle knockback timer (always handle knockback, even when controls are disabled)
 		if is_knocked_back:
 			knockback_time += delta
 			if knockback_time >= knockback_duration:
 				is_knocked_back = false
 				knockback_time = 0.0
 		
+		# Skip input if controls are disabled (e.g., when inventory is open)
+		# But still allow knockback to continue (handled above)
+		if controls_disabled:
+			if not is_knocked_back:
+				velocity = velocity.lerp(Vector2.ZERO, delta * 8.0) # Slow down movement
+			return
+		
 		# Check if being held by someone
 		var being_held_by_someone = false
 		for other_player in get_tree().get_nodes_in_group("player"):
@@ -2556,6 +2570,29 @@ func _sync_stats_update(kills_count: int, coins_count: int):
 		character_stats.coin = coins_count
 		print(name, " stats synced from server: kills=", kills_count, " coins=", coins_count)
 
+@rpc("any_peer", "reliable")
+func _sync_equipment(equipment_data: Dictionary):
+	# Client receives equipment update from server
+	# Update equipment to match other players
+	# Only process if we're not the authority (remote player)
+	if is_multiplayer_authority():
+		return  # Authority ignores this (it's the sender)
+	
+	if not character_stats:
+		return
+	
+	# Update equipment from data
+	for slot_name in equipment_data.keys():
+		var item_data = equipment_data[slot_name]
+		if item_data != null:
+			character_stats.equipment[slot_name] = Item.new(item_data)
+		else:
+			character_stats.equipment[slot_name] = null
+	
+	# Update appearance
+	_apply_appearance_to_sprites()
+	print(name, " equipment synced from server")
+
 func heal(amount: float):
 	if is_dead:
 		return