next commit

25 files changed, 473 insertions, 118 deletions

diff --git a/constants.gd b/constants.gd
index a275dc5..13c245a 100644
--- a/constants.gd
+++ b/constants.gd
@@ -8,7 +8,28 @@ enum Gender {
 	Server,
 }
 
-static var Packet_DB = {
-	LoginServerLoginPacket.header: LoginServerLoginPacket,
-	LoginServerLoginSuccessPacket.new().header: LoginServerLoginSuccessPacket,
+enum StatusType {
+	Weight,
+	MaximumWeight,
+	MovementSpeed,
+	BaseLevel,
+	JobLevel,
+}
+
+static var PacketDB = {
+	LoginServerLoginPacket.HEADER: LoginServerLoginPacket,
+	LoginServerLoginSuccessPacket.HEADER: LoginServerLoginSuccessPacket,
+	CharacterServerLoginPacket.HEADER: CharacterServerLoginPacket,
+	CharacterServerLoginSuccessPacket.HEADER: CharacterServerLoginSuccessPacket,
+	RequestCharacterListPacket.HEADER: RequestCharacterListPacket,
+	RequestCharacterListSuccessPacket.HEADER: RequestCharacterListSuccessPacket,
+	SelectCharacterPacket.HEADER: SelectCharacterPacket,
+	CharacterSelectionSuccessPacket.HEADER: CharacterSelectionSuccessPacket,
+	MapServerLoginPacket.HEADER: MapServerLoginPacket,
+	MapServerLoginSuccessPacket.HEADER: MapServerLoginSuccessPacket,
+	ParameterChangePacket.HEADER: ParameterChangePacket,
+	CoupleStatusPacket.HEADER: CoupleStatusPacket,
+	UpdateAttackRangePacket.HEADER: UpdateAttackRangePacket,
+	NewMailStatusPacket.HEADER: NewMailStatusPacket,
+	QuestListPacket.HEADER: QuestListPacket,
 }
diff --git a/extractor/grf.gd b/extractor/grf.gd
index 8cb03c1..27dcab0 100644
--- a/extractor/grf.gd
+++ b/extractor/grf.gd
@@ -1,4 +1,40 @@
 class_name GRF
 
+
 class Header:
-	var signature: int
+	static var byte_length: int = 46
+	
+	## Byte Length: 15
+	## Master of Magic
+	var signature: String
+	
+	## Byte Length: 15
+	var encryption: PackedByteArray
+	
+	## Byte Type: u32
+	## Byte Length: 4
+	var file_table_offset: int
+	
+	## Byte Type: u32
+	## Byte Length: 4
+	var reserved_files: int
+	
+	## Byte Type: u32
+	## Byte Length: 4
+	var file_count: int
+	
+	## Byte Type: u32
+	## Byte Length: 4
+	var version: int
+	
+	
+	static func from_file(file: FileAccess):
+		var header = Header.new()
+		header.signature = file.get_buffer(15).get_string_from_utf8()
+		header.encryption = file.get_buffer(15)
+		header.file_table_offset = file.get_buffer(4).decode_u32(0)
+		header.reserved_files = file.get_buffer(4).decode_u32(0)
+		header.file_count = file.get_buffer(4).decode_u32(0)
+		header.version = file.get_buffer(4).decode_u32(0)
+		
+		return header
diff --git a/login.gd b/login.gd
index 97daf51..3e69981 100644
--- a/login.gd
+++ b/login.gd
@@ -19,7 +19,9 @@ func switch_screen(screen: Node):
 
 
 func _on_login_pressed() -> void:
-	account_information = Network.login_server.login(%Username.text, %Password.text)
+	Network.login_server.login(%Username.text, %Password.text)
+	
+	account_information = await Network.login_server.logged_in
 	character_server_information = account_information.character_server_information
 	
 	for node in %CharacterServerList.get_children():
@@ -28,9 +30,7 @@ func _on_login_pressed() -> void:
 	for info: CharacterServerInformation in character_server_information:
 		var select_character_server = Button.new()
 		select_character_server.text = info.server_name
-		select_character_server.pressed.connect(func():
-			_on_character_server_login_pressed(info)
-		)
+		select_character_server.pressed.connect(_on_character_server_login_pressed.bind(info))
 		%CharacterServerList.add_child(select_character_server)
 	
 	switch_screen(%CharacterServer)
@@ -42,15 +42,16 @@ func _on_character_server_login_pressed(character_server_info: CharacterServerIn
 		character_server_info.server_port
 	)
 	
-	var _response = Network.character_server.login(
+	Network.character_server.login(
 		account_information.account_id,
 		account_information.login_id1,
 		account_information.login_id2,
 		account_information.gender
 	)
-	print(inst_to_dict(_response))
+	var _response = await Network.character_server.logged_in
 	
-	var response = Network.character_server.request_character_list()
+	Network.character_server.request_character_list()
+	var response: RequestCharacterListSuccessPacket = await Network.character_server.requested_character_list
 	
 	for slot_idx in response.character_information.size():
 		var info: CharacterInformation = response.character_information[slot_idx]
@@ -66,18 +67,21 @@ func _on_character_server_login_pressed(character_server_info: CharacterServerIn
 
 
 func _on_character_selected_pressed(slot_idx: int):
-	var success = Network.character_server.select_character(slot_idx)
+	Network.character_server.select_character(slot_idx)
 	
-	Network.map_server = MapServer.new(
-		success.get_map_server_ip(),
-		success.map_server_port
-	)
-	
-	var _response = Network.map_server.login(
-		account_information.account_id,
-		current_character_information.character_id,
-		account_information.login_id1,
-		account_information.gender
-	)
+	var packet = await Network.character_server.selected_character
+	if packet is CharacterSelectionSuccessPacket:
+		Network.map_server = MapServer.new(
+			packet.get_map_server_ip(),
+			packet.map_server_port
+		)
+		
+		Network.map_server.login(
+			account_information.account_id,
+			current_character_information.character_id,
+			account_information.login_id1,
+			account_information.gender
+		)
+		var _response = await Network.map_server.logged_in
 	
 	# TODO: switch to game :)
diff --git a/network/character_server.gd b/network/character_server.gd
index e710639..f629283 100644
--- a/network/character_server.gd
+++ b/network/character_server.gd
@@ -1,6 +1,11 @@
 class_name CharacterServer
 
 
+signal received_packet(packet: Packet)
+signal logged_in(packet: CharacterServerLoginSuccessPacket)
+signal requested_character_list(packet: RequestCharacterListSuccessPacket)
+signal selected_character(packet: CharacterSelectionSuccessPacket)
+
 var host: String
 var port: int = 6121
 var stream: PacketPeerStream = PacketPeerStream.new()
@@ -17,7 +22,20 @@ func _init(host: String, port: int = 6121) -> void:
 	peer.poll()
 
 
-func login(account_id: int, login_id1: int, login_id2: int, gender: Constants.Gender) -> CharacterServerLoginSuccessPacket:
+## Emits [signal received_packet].
+func listen() -> void:
+	if peer.get_status() == StreamPeerTCP.Status.STATUS_CONNECTED:
+		var raw_packet: PackedByteArray = peer.get_partial_data(2)[1]
+		if raw_packet.size() > 0:
+			raw_packet += peer.get_data(peer.get_available_bytes())[1]
+			var header = raw_packet.decode_u16(0)
+			var packet_type = Constants.PacketDB[header]
+			var packet = packet_type.from_bytes(raw_packet)
+		
+			received_packet.emit(packet)
+
+
+func login(account_id: int, login_id1: int, login_id2: int, gender: Constants.Gender):
 	var character_server_login_packet = CharacterServerLoginPacket.new()
 	character_server_login_packet.account_id = account_id
 	character_server_login_packet.login_id1 = login_id1
@@ -26,29 +44,31 @@ func login(account_id: int, login_id1: int, login_id2: int, gender: Constants.Ge
 	
 	peer.put_data(character_server_login_packet.to_bytes())
 	
-	var success = CharacterServerLoginSuccessPacket.from_bytes_via_peer(peer)
-	print(inst_to_dict(success))
+	peer.get_data(4) # in-between packet
 	
-	return success
+	var packet = await received_packet
+	if packet is CharacterServerLoginSuccessPacket:
+		print(inst_to_dict(packet))
+		logged_in.emit(packet)
 
 
-func request_character_list() -> RequestCharacterListSuccessPacket:
+func request_character_list():
 	var request_character_list_packet = RequestCharacterListPacket.new()
 	peer.put_data(request_character_list_packet.to_bytes())
 	
-	var success = RequestCharacterListSuccessPacket.from_bytes_via_peer(peer)
-	print(inst_to_dict(success))
-	
-	return success
+	var packet = await received_packet
+	if packet is RequestCharacterListSuccessPacket:
+		print(inst_to_dict(packet), inst_to_dict(packet.character_information[0]))
+		requested_character_list.emit(packet)
 
 
-func select_character(slot: int) -> CharacterSelectionSuccessPacket:
+func select_character(slot: int):
 	var select_character_packet = SelectCharacterPacket.new()
 	select_character_packet.selected_slot = slot
 	
 	peer.put_data(select_character_packet.to_bytes())
 	
-	var success = CharacterSelectionSuccessPacket.from_bytes_via_peer(peer)
-	print(inst_to_dict(success))
-	
-	return success
+	var packet = await received_packet
+	if packet is CharacterSelectionSuccessPacket:
+		print(inst_to_dict(packet))
+		selected_character.emit(packet)
diff --git a/network/login_server.gd b/network/login_server.gd
index bb7c093..6d878c4 100644
--- a/network/login_server.gd
+++ b/network/login_server.gd
@@ -1,6 +1,9 @@
 class_name LoginServer
 
 
+signal received_packet(packet: Packet)
+signal logged_in(packet: LoginServerLoginSuccessPacket)
+
 var host: String
 var port: int = 6900
 var stream: PacketPeerStream = PacketPeerStream.new()
@@ -17,15 +20,27 @@ func _init(host: String, port: int = 6900) -> void:
 	peer.poll()
 
 
-func login(username: String, password: String) -> LoginServerLoginSuccessPacket:
+## Emits [signal received_packet].
+func listen() -> void:
+	if peer.get_status() == StreamPeerTCP.Status.STATUS_CONNECTED:
+		var raw_packet: PackedByteArray = peer.get_partial_data(2)[1]
+		if raw_packet.size() > 0:
+			raw_packet += peer.get_data(peer.get_available_bytes())[1]
+			var header = raw_packet.decode_u16(0)
+			var packet_type = Constants.PacketDB[header]
+			var packet = packet_type.from_bytes(raw_packet)
+		
+			received_packet.emit(packet)
+
+
+func login(username: String, password: String):
 	var login_server_login_packet = LoginServerLoginPacket.new()
 	login_server_login_packet.username = username
 	login_server_login_packet.password = password
 	
 	peer.put_data(login_server_login_packet.to_bytes())
 	
-	var success = LoginServerLoginSuccessPacket.from_bytes_via_peer(peer)
-	var character_server_information: CharacterServerInformation = success.character_server_information[0]
-	print(inst_to_dict(success), inst_to_dict(character_server_information))
-	
-	return success
+	var packet = await received_packet
+	if packet is LoginServerLoginSuccessPacket:
+		print(inst_to_dict(packet))
+		logged_in.emit(packet)
diff --git a/network/map_server.gd b/network/map_server.gd
index af46c6c..f4dacc1 100644
--- a/network/map_server.gd
+++ b/network/map_server.gd
@@ -1,6 +1,9 @@
 class_name MapServer
 
 
+signal received_packet(packet: Packet)
+signal logged_in(packet: MapServerLoginSuccessPacket)
+
 var host: String
 var port: int = 5121
 var stream: PacketPeerStream = PacketPeerStream.new()
@@ -17,7 +20,24 @@ func _init(host: String, port: int = 5121) -> void:
 	peer.poll()
 
 
-func login(account_id: int, character_id: int, login_id1: int, gender: Constants.Gender) -> MapServerLoginSuccessPacket:
+## Emits [signal received_packet].
+func listen() -> void:
+	if peer.get_status() == StreamPeerTCP.Status.STATUS_CONNECTED:
+		var raw_packet: PackedByteArray = peer.get_partial_data(2)[1]
+		
+		if raw_packet.size() > 0:
+			var header = raw_packet.decode_u16(0)
+			var packet_type = Constants.PacketDB[header]
+			if packet_type.BYTE_LENGTH > 0:
+				raw_packet += peer.get_data(packet_type.BYTE_LENGTH - 2)[1]
+			else:
+				raw_packet += peer.get_data(peer.get_available_bytes())[1]
+			var packet = packet_type.from_bytes(raw_packet)
+		
+			received_packet.emit(packet)
+
+
+func login(account_id: int, character_id: int, login_id1: int, gender: Constants.Gender):
 	var map_server_login_packet = MapServerLoginPacket.new()
 	map_server_login_packet.account_id = account_id
 	map_server_login_packet.character_id = character_id
@@ -29,7 +49,7 @@ func login(account_id: int, character_id: int, login_id1: int, gender: Constants
 	peer.get_data(6) # in-between packet
 	peer.get_data(4) # in-between packet
 	
-	var success = MapServerLoginSuccessPacket.from_bytes_via_peer(peer)
-	print(inst_to_dict(success))
-	
-	return success
+	var packet = await received_packet
+	if packet is MapServerLoginSuccessPacket:
+		print(inst_to_dict(packet))
+		logged_in.emit(packet)
diff --git a/network/network.gd b/network/network.gd
index 25607a2..1e665a3 100644
--- a/network/network.gd
+++ b/network/network.gd
@@ -109,7 +109,16 @@ func _ready() -> void:
 	#print(msls.get_position())
 	
 	var file = FileAccess.open("res://data/data.grf", FileAccess.READ)
-	var signature = file.get_buffer("Master of Magic".length())
-	print(signature.get_string_from_utf8())
-	print(file.get_16())
-	print(file.get_32())
+	var header = GRF.Header.from_file(file)
+	print(inst_to_dict(header))
+
+
+func _process(_delta: float) -> void:
+	if login_server:
+		login_server.listen()
+	
+	if character_server:
+		character_server.listen()
+	
+	if map_server:
+		map_server.listen()
diff --git a/packets/character_selection_success_packet.gd b/packets/character_selection_success_packet.gd
index f483d9e..b43b4b5 100644
--- a/packets/character_selection_success_packet.gd
+++ b/packets/character_selection_success_packet.gd
@@ -2,7 +2,8 @@ class_name CharacterSelectionSuccessPacket
 extends Packet
 
 
-static var header := 0x0ac5
+const HEADER := 0x0ac5
+const BYTE_LENGTH := 0
 
 
 ## Byte Type: u32
@@ -38,16 +39,10 @@ func get_map_server_ip():
 static func from_bytes(bytes: PackedByteArray):
 	var packet = CharacterSelectionSuccessPacket.new()
 	
-	packet.character_id = bytes.decode_u32(0)
-	packet.map_name = bytes.slice(4, 4 + 16).get_string_from_utf8()
-	packet.map_server_ip = bytes.slice(20, 20 + 4)
-	packet.map_server_port = bytes.decode_u16(24)
-	packet.unknown = bytes.slice(26)
+	packet.character_id = bytes.decode_u32(2)
+	packet.map_name = bytes.slice(6, 6 + 16).get_string_from_utf8()
+	packet.map_server_ip = bytes.slice(22, 22 + 4)
+	packet.map_server_port = bytes.decode_u16(26)
+	packet.unknown = bytes.slice(28)
 	
 	return packet
-
-static func from_bytes_via_peer(peer: StreamPeer):
-	var _header = peer.get_data(2)
-	var remaining_bytes = peer.get_data(peer.get_available_bytes())
-	
-	return from_bytes(remaining_bytes[1])
diff --git a/packets/character_server_login_packet.gd b/packets/character_server_login_packet.gd
index 0e3116f..a2d4f7d 100644
--- a/packets/character_server_login_packet.gd
+++ b/packets/character_server_login_packet.gd
@@ -2,7 +2,8 @@ class_name CharacterServerLoginPacket
 extends Packet
 
 
-static var header := 0x0065
+const HEADER := 0x0065
+const BYTE_LENGTH := 0
 
 
 ## Byte Type: u32
diff --git a/packets/character_server_login_success_packet.gd b/packets/character_server_login_success_packet.gd
index 800e218..bfe6c45 100644
--- a/packets/character_server_login_success_packet.gd
+++ b/packets/character_server_login_success_packet.gd
@@ -2,6 +2,10 @@ class_name CharacterServerLoginSuccessPacket
 extends Packet
 
 
+const HEADER := 0x082d
+const BYTE_LENGTH := 0
+
+
 ## Byte Length: 2
 var unknown: int
 
@@ -27,18 +31,12 @@ var unused: PackedByteArray
 static func from_bytes(bytes: PackedByteArray):
 	var packet = CharacterServerLoginSuccessPacket.new()
 	
-	packet.unknown = bytes.decode_u16(0)
-	packet.normal_slot_count = bytes.decode_u8(2)
-	packet.vip_slot_count = bytes.decode_u8(3)
-	packet.billing_slot_count = bytes.decode_u8(4)
-	packet.producible_slot_count = bytes.decode_u8(5)
-	packet.valid_slot = bytes.decode_u8(6)
-	packet.unused = bytes.slice(7, 7 + 20)
+	packet.unknown = bytes.decode_u16(6)
+	packet.normal_slot_count = bytes.decode_u8(8)
+	packet.vip_slot_count = bytes.decode_u8(9)
+	packet.billing_slot_count = bytes.decode_u8(10)
+	packet.producible_slot_count = bytes.decode_u8(11)
+	packet.valid_slot = bytes.decode_u8(12)
+	packet.unused = bytes.slice(13, 13 + 20)
 	
 	return packet
-
-static func from_bytes_via_peer(peer: StreamPeer):
-	var _header = peer.get_data(6)
-	var remaining_bytes = peer.get_data(peer.get_available_bytes())
-	
-	return from_bytes(remaining_bytes[1])
diff --git a/packets/couple_status_packet.gd b/packets/couple_status_packet.gd
new file mode 100644
index 0000000..9f41174
--- /dev/null
+++ b/packets/couple_status_packet.gd
@@ -0,0 +1,29 @@
+class_name CoupleStatusPacket
+extends Packet
+
+
+const HEADER := 0x0141
+const BYTE_LENGTH := 14
+
+
+## Byte Type: u32
+## Byte Length: 4
+var status_type: int
+
+## Byte Type: i32
+## Byte Length: 4
+var default_status: int
+
+## Byte Type: i32
+## Byte Length: 4
+var plus_status: int
+
+
+static func from_bytes(bytes: PackedByteArray):
+	var packet = CoupleStatusPacket.new()
+	
+	packet.status_type = bytes.decode_u32(2)
+	packet.default_status = bytes.decode_s32(6)
+	packet.plus_status = bytes.decode_s32(10)
+	
+	return packet
diff --git a/packets/login_server_login_packet.gd b/packets/login_server_login_packet.gd
index 5b4c1f3..f7217fe 100644
--- a/packets/login_server_login_packet.gd
+++ b/packets/login_server_login_packet.gd
@@ -2,7 +2,8 @@ class_name LoginServerLoginPacket
 extends Packet
 
 
-static var header := 0x064
+const HEADER := 0x064
+const BYTE_LENGTH := 0
 
 
 ## Byte Type: u32
diff --git a/packets/login_server_login_success_packet.gd b/packets/login_server_login_success_packet.gd
index fd7dbf1..1f95bae 100644
--- a/packets/login_server_login_success_packet.gd
+++ b/packets/login_server_login_success_packet.gd
@@ -2,9 +2,14 @@ class_name LoginServerLoginSuccessPacket
 extends Packet
 
 
-static var header := 0x0ac4
+const HEADER := 0x0ac4
+const BYTE_LENGTH := 0
 
 
+## Byte Type: u16
+## Byte Length: 2
+var packet_length: int
+
 ## Byte Type: u32
 ## Byte Length: 4
 var login_id1: int
@@ -41,19 +46,14 @@ var character_server_information: Array
 static func from_bytes(bytes: PackedByteArray):
 	var packet = LoginServerLoginSuccessPacket.new()
 	
-	packet.login_id1 = bytes.decode_u32(0)
-	packet.account_id = bytes.decode_u32(4)
-	packet.login_id2 = bytes.decode_u32(8)
-	packet.ip_address = bytes.slice(12, 16)
-	packet.last_login = bytes.slice(16, 16 + 26)
-	packet.gender = bytes[42]
-	packet.auth_token = bytes.slice(43, 43 + 17).get_string_from_utf8()
-	packet.character_server_information = CharacterServerInformation.array_from_bytes(bytes.slice(60))
+	packet.packet_length = bytes.decode_u16(2)
+	packet.login_id1 = bytes.decode_u32(4)
+	packet.account_id = bytes.decode_u32(8)
+	packet.login_id2 = bytes.decode_u32(12)
+	packet.ip_address = bytes.slice(16, 20)
+	packet.last_login = bytes.slice(20, 20 + 26)
+	packet.gender = bytes[46]
+	packet.auth_token = bytes.slice(47, 47 + 17).get_string_from_utf8()
+	packet.character_server_information = CharacterServerInformation.array_from_bytes(bytes.slice(64))
 	
 	return packet
-
-static func from_bytes_via_peer(peer: StreamPeer):
-	var _header = peer.get_data(4) # 2 = header, 2 = packet_size
-	var remaining_bytes = peer.get_data(peer.get_available_bytes())
-	
-	return from_bytes(remaining_bytes[1])
diff --git a/packets/map_server_login_packet.gd b/packets/map_server_login_packet.gd
index 89d0108..726cdff 100644
--- a/packets/map_server_login_packet.gd
+++ b/packets/map_server_login_packet.gd
@@ -2,7 +2,8 @@ class_name MapServerLoginPacket
 extends Packet
 
 
-static var header := 0x0436
+const HEADER := 0x0436
+const BYTE_LENGTH := 0
 
 
 ## Byte Type: u32
diff --git a/packets/map_server_login_success_packet.gd b/packets/map_server_login_success_packet.gd
index 9eecc65..1791a85 100644
--- a/packets/map_server_login_success_packet.gd
+++ b/packets/map_server_login_success_packet.gd
@@ -2,7 +2,8 @@ class_name MapServerLoginSuccessPacket
 extends Packet
 
 
-static var header := 0x02eb
+const HEADER := 0x02eb
+const BYTE_LENGTH := 0
 
 
 ## Byte Type: u32
@@ -33,16 +34,9 @@ func get_position():
 static func from_bytes(bytes: PackedByteArray):
 	var packet = MapServerLoginSuccessPacket.new()
 	
-	packet.client_tick = bytes.decode_u32(0)
-	packet.position = bytes.slice(4, 4 + 3)
-	packet.ignored = bytes.slice(7, 7 + 2)
-	packet.font = bytes.decode_u32(9)
+	packet.client_tick = bytes.decode_u32(2)
+	packet.position = bytes.slice(6, 6 + 3)
+	packet.ignored = bytes.slice(9, 9 + 2)
+	packet.font = bytes.decode_u32(11)
 	
 	return packet
-
-
-static func from_bytes_via_peer(peer: StreamPeer):
-	var _header = peer.get_data(2)
-	var remaining_bytes = peer.get_data(peer.get_available_bytes())
-	
-	return from_bytes(remaining_bytes[1])
diff --git a/packets/new_mail_status_packet.gd b/packets/new_mail_status_packet.gd
new file mode 100644
index 0000000..4e87ed5
--- /dev/null
+++ b/packets/new_mail_status_packet.gd
@@ -0,0 +1,19 @@
+class_name NewMailStatusPacket
+extends Packet
+
+
+const HEADER := 0x09e7
+const BYTE_LENGTH := 3
+
+
+## Byte Type: u8
+## Byte Length: 1
+var new_available: int
+
+
+static func from_bytes(bytes: PackedByteArray):
+	var packet = NewMailStatusPacket.new()
+	
+	packet.new_available = bytes.decode_u8(2)
+	
+	return packet
diff --git a/packets/packet.gd b/packets/packet.gd
index 9f82782..33db0b1 100644
--- a/packets/packet.gd
+++ b/packets/packet.gd
@@ -15,7 +15,7 @@ func get_byte_length() -> int:
 ## [param packet_length] is only needed when the packet has a variable length.
 func get_header(packet_length: int = 0) -> PackedByteArray:
 	var bytes = PackedByteArray([0,0])
-	bytes.encode_u16(0, self.header)
+	bytes.encode_u16(0, self.HEADER)
 	
 	if packet_length > 0:
 		bytes.resize(4)
diff --git a/packets/parameter_change_packet.gd b/packets/parameter_change_packet.gd
new file mode 100644
index 0000000..138b4f5
--- /dev/null
+++ b/packets/parameter_change_packet.gd
@@ -0,0 +1,24 @@
+class_name ParameterChangePacket
+extends Packet
+
+
+const HEADER := 0x00b0
+const BYTE_LENGTH := 8
+
+
+## Byte Type: u16
+## Byte Length: 2
+var parameter_id: int
+
+## Byte Type: i32
+## Byte Length: 4
+var count: int
+
+
+static func from_bytes(bytes: PackedByteArray):
+	var packet = ParameterChangePacket.new()
+	
+	packet.parameter_id = bytes.decode_u16(2)
+	packet.count = bytes.decode_s32(4)
+	
+	return packet
diff --git a/packets/quest.gd b/packets/quest.gd
new file mode 100644
index 0000000..347f5d1
--- /dev/null
+++ b/packets/quest.gd
@@ -0,0 +1,54 @@
+class_name Quest
+extends PacketChunk
+
+
+## Byte Type: u32
+## Byte Length: 4
+var quest_id: int
+
+## Byte Type: u8
+## Byte Length: 1
+var active: int
+
+## Byte Type: u32
+## Byte Length: 4
+var remaining_time: int
+
+## Byte Type: u32
+## Byte Length: 4
+var expire_time: int
+
+## Byte Type: u16
+## Byte Length: 2
+var objective_count: int
+
+var objective_details: Array
+
+
+func get_byte_length():
+	return "??"
+
+
+static func from_bytes(bytes: PackedByteArray):
+	var quest = Quest.new()
+	
+	quest.quest_id = bytes.slice(0, 4)
+	quest.active = bytes.decode_u16(4)
+	quest.remaining_time = bytes.slice(6, 6 + 20).get_string_from_utf8()
+	quest.expire_time = bytes.decode_u16(26)
+	quest.objective_count = bytes.decode_u16(28)
+	quest.objective_details = bytes.slice(32)
+	
+	return quest
+
+
+static func array_from_bytes(bytes: PackedByteArray) -> Array:
+	var array = []
+	
+	var offset = 0
+	while offset < bytes.size():
+		var chunk = from_bytes(bytes.slice(offset))
+		array.append(chunk)
+		offset += chunk.byte_length
+	
+	return array
diff --git a/packets/quest_details.gd b/packets/quest_details.gd
new file mode 100644
index 0000000..eaf8d2e
--- /dev/null
+++ b/packets/quest_details.gd
@@ -0,0 +1,65 @@
+class_name QuestDetails
+extends PacketChunk
+
+
+## Byte Type: u32
+## Byte Length: 4
+var hunt_identification: int
+
+## Byte Type: u32
+## Byte Length: 4
+var objective_type: int
+
+## Byte Type: u32
+## Byte Length: 4
+var mob_id: int
+
+## Byte Type: u16
+## Byte Length: 2
+var minimum_level: int
+
+## Byte Type: u16
+## Byte Length: 2
+var maximum_level: int
+
+## Byte Type: u16
+## Byte Length: 2
+var kill_count: int
+
+## Byte Type: u16
+## Byte Length: 2
+var total_count: int
+
+## Byte Type: u8
+## Byte Length: 24
+var mob_name: String
+
+
+func get_byte_length():
+	return 44
+
+
+static func from_bytes(bytes: PackedByteArray):
+	var details = QuestDetails.new()
+	
+	details.server_ip = bytes.slice(0, 4)
+	details.server_port = bytes.decode_u16(4)
+	details.server_name = bytes.slice(6, 6 + 20).get_string_from_utf8()
+	details.user_count = bytes.decode_u16(26)
+	details.server_type = bytes.decode_u16(28)
+	details.display_new = bytes.decode_u16(30)
+	details.unknown = bytes.slice(32)
+	
+	return details
+
+
+static func array_from_bytes(bytes: PackedByteArray) -> Array:
+	var array = []
+	
+	var offset = 0
+	while offset < bytes.size():
+		var chunk = from_bytes(bytes.slice(offset))
+		array.append(chunk)
+		offset += chunk.byte_length
+	
+	return array
diff --git a/packets/quest_list_packet.gd b/packets/quest_list_packet.gd
new file mode 100644
index 0000000..bf78f08
--- /dev/null
+++ b/packets/quest_list_packet.gd
@@ -0,0 +1,26 @@
+class_name QuestListPacket
+extends Packet
+
+
+const HEADER := 0x09f8
+const BYTE_LENGTH := 0
+
+
+## Byte Type: u16
+## Byte Length: 2
+var packet_length: int
+
+## Byte Type: u32
+## Byte Length: 4
+var quest_count: int
+
+var quests: Array
+
+
+static func from_bytes(bytes: PackedByteArray):
+	var packet = QuestListPacket.new()
+	
+	packet.packet_length = bytes.decode_u16(2)
+	packet.quest_count = bytes.decode_u32(4)
+	
+	return packet
diff --git a/packets/request_character_list_packet.gd b/packets/request_character_list_packet.gd
index e347abd..e2c761d 100644
--- a/packets/request_character_list_packet.gd
+++ b/packets/request_character_list_packet.gd
@@ -2,7 +2,8 @@ class_name RequestCharacterListPacket
 extends Packet
 
 
-static var header := 0x09a1
+const HEADER := 0x09a1
+const BYTE_LENGTH := 0
 
 
 func to_bytes():
diff --git a/packets/request_character_list_success_packet.gd b/packets/request_character_list_success_packet.gd
index 431e8ca..f85decc 100644
--- a/packets/request_character_list_success_packet.gd
+++ b/packets/request_character_list_success_packet.gd
@@ -2,19 +2,21 @@ class_name RequestCharacterListSuccessPacket
 extends Packet
 
 
+const HEADER := 0x0b72
+const BYTE_LENGTH := 0
+
+
+## Byte Type: u16
+## Byte Length: 2
+var packet_length: int
+
 var character_information: Array
 
 
 static func from_bytes(bytes: PackedByteArray):
 	var packet = RequestCharacterListSuccessPacket.new()
 	
-	packet.character_information = CharacterInformation.array_from_bytes(bytes)
+	packet.packet_length = bytes.decode_u16(2)
+	packet.character_information = CharacterInformation.array_from_bytes(bytes.slice(4))
 	
 	return packet
-
-
-static func from_bytes_via_peer(peer: StreamPeer):
-	var _header = peer.get_data(4) # 2 = header, 2 = length
-	var remaining_bytes = peer.get_data(peer.get_available_bytes())
-	
-	return from_bytes(remaining_bytes[1])
diff --git a/packets/select_character_packet.gd b/packets/select_character_packet.gd
index 18843cc..692183f 100644
--- a/packets/select_character_packet.gd
+++ b/packets/select_character_packet.gd
@@ -2,7 +2,8 @@ class_name SelectCharacterPacket
 extends Packet
 
 
-static var header := 0x0066
+const HEADER := 0x0066
+const BYTE_LENGTH := 0
 
 
 ## Byte Type: u8
diff --git a/packets/update_attack_range_packet.gd b/packets/update_attack_range_packet.gd
new file mode 100644
index 0000000..1ace166
--- /dev/null
+++ b/packets/update_attack_range_packet.gd
@@ -0,0 +1,19 @@
+class_name UpdateAttackRangePacket
+extends Packet
+
+
+const HEADER := 0x013a
+const BYTE_LENGTH := 4
+
+
+## Byte Type: i16
+## Byte Length: 2
+var current_attack_range: int
+
+
+static func from_bytes(bytes: PackedByteArray):
+	var packet = UpdateAttackRangePacket.new()
+	
+	packet.current_attack_range = bytes.decode_s16(2)
+	
+	return packet