317 Protocol

Server -> Client Packets

Opcode	Type	Length (bytes)	Name	Description
71	FIXED	3	Send sidebar interface	Assigns an interface to one of the tabs in the game sidebar.
73	FIXED	4	Load map region	Loads a new map region.
241	VARIABLE_SHORT	N/A	Construct map region	Constructs a dynamic map region using a palette of 8*8 tiles.
249	FIXED	3	Initialize player	Sends the player's membership status and their current index on the server's player list.
253	VARIABLE_BYTE	N/A	Send message	Sends a server message (e.g. 'Welcome to RuneScape') or trade/duel request.

Client -> Server Packets

Opcode	Type	Length (bytes)	Name	Description
0	FIXED	0	Idle	Sent when there are no actions being performed by the player for this cycle.
3	FIXED	1	Focus change	Sent when the game client window goes out of focus.
4	VARIABLE BYTE	N/A	Chat	Sent when the player enters a chat message.
41	FIXED	6	Equip Item	Sent when a player equips an item.
43	FIXED	6	Bank 10 items	Sent when a player banks 10 of a certain item.
70	FIXED	6	Object action 3	Sent when the player clicks the third action available for a packet.
73	FIXED	2	Trade request	Sent when a player requests a trade with another player.
86	FIXED	4	Camera movement	Sent when the player moves the camera.
87	FIXED	6	Drop item	Sent when a player wants to drop an item onto the ground.
98	VARIABLE_BYTE	N/A	Walk on command	Sent when the player should walk somewhere according to a certain action performed, such as clicking an object.
103	VARIABLE_BYTE	N/A	Player command	Sent when the player enters a command in the chat box (i.e. "::command")
117	FIXED	6	Bank 5 items	Sent when a player banks 5 of a certain item.
121	FIXED	0	Loading finished	Sent when the client finishes loading a map region.
122	FIXED	6	Item action 1	Sent when the player clicks the first option of an item, such as "Bury" for bones.
129	FIXED	6	Bank all items	Sent when a player banks all of a certain item that they have in their inventory.
132	FIXED	6	Object action 1	Sent when the player clicks the first option of an object, such as "Cut" for trees.
135	FIXED	6	Bank X items part-1	Sent when a player requests to bank an X amount of items.
139	FIXED	2	Trade answer	Sent when a player answers a trade request from another player.
145	FIXED	6	Unequip item	Sent when a player unequips an item.
164	VARIABLE_BYTE	N/A	Regular walk	Sent when the player walks regularly.
185	FIXED	2	Button click	Sent when a player clicks an in-game button.
202	FIXED	0	Idle logout	Sent when the player has become idle and should be logged out.
208	FIXED	10	Bank x items part-2	Sent when a player enters an X amount of items they want to bank.
214	FIXED	7	Move item	Moves an item from one interface to another.
236	FIXED	6	Pickup ground item	Sent when the player picks up an item from the ground.
248	VARIABLE_BYTE	N/A	Map walk	This packet is sent when the player walks using the map. This packet has 14 additional (assumed to be anticheat) bytes added to the end of it that are ignored.
252	FIXED	6	Object action 2	Sent when the player clicks the section action available for an object.