# ModernUO Packet Documentation
Network packet documentation for the Ultima Online Server Emulator ModernUO
Author: ModernUO Development Team

📦

## Select a Packet

Choose a packet from the list to view its documentation.

Use the search box to find packets by ID (0x02), name, or field names.

##

View Source

Size:
Dynamic Length

### Client Version Requirements

### Packet Structure

Offset | Name | Type | Size | Description
--- | --- | --- | --- | ---

### Subpackets

SubID | Direction | Name | Description
--- | --- | --- | ---

### Packet Variants

### Related Packets

### Notes

### Compression

### Plane Format

### Layout Format

### Strings Format

### Type Legend

#### Integer Types

byteUnsigned 8-bit (0-255)
sbyteSigned 8-bit (-128 to 127)
boolBoolean (0=false, else true)
shortSigned 16-bit BE
ushortUnsigned 16-bit BE
intSigned 32-bit BE
uintUnsigned 32-bit BE
longSigned 64-bit BE
ulongUnsigned 64-bit BE

#### String Types

-t suffix = null-terminated

asciiFixed-length ASCII
ascii-tNull-terminated ASCII
utf8Fixed-length UTF-8
utf8-tNull-terminated UTF-8
utf16beUTF-16 Big Endian
utf16be-tNull-term UTF-16 BE
utf16leUTF-16 Little Endian
utf16le-tNull-term UTF-16 LE

#### Special Types

enumEnumerated value
bitfieldBit flags
byte[]Byte array
bytesVariable byte data

#### Structure Types

loopRepeated field group
arrayArray of elements
packetEmbedded packet

Note: All multi-byte integers use Big Endian (network) byte order unless otherwise specified.

{"outgoing":[{"id":"0x0B","name":"Damage","description":"Shows damage dealt to a mobile (client 5.0.0a+).","direction":"outgoing","isDynamic":false,"size":7,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x0B","description":"Packet identifier"},{"name":"Serial","type":"uint","size":4,"description":"Serial of damaged mobile"},{"name":"Damage","type":"ushort","size":2,"description":"Damage amount (clamped 0-65535)"}],"clientVersion":{"min":"5.0.0a","feature":"DamagePacket"},"notes":"For pre-5.0.0a clients, use 0xBF/0x22 instead.","source":{"file":"Projects/Server/Network/Packets/OutgoingDamagePackets.cs","line":34},"category":"Combat","tags":["Combat"]},{"id":"0x11","name":"Mobile Status","description":"Detailed status information for a mobile. Version 0 (compact) is sent when viewing other mobiles. Versions 3-6 are sent for self based on expansion.","direction":"outgoing","isDynamic":true,"size":"Varies","variants":[{"version":"Version 0 (Compact)","name":"Other Mobile Status","condition":"Viewing another mobile (not self)","size":43,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x11","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"value":"43","description":"Packet length"},{"name":"Serial","type":"uint","size":4,"description":"Mobile serial"},{"name":"Name","type":"ascii","size":30,"description":"Mobile name"},{"name":"Hits","type":"short","size":2,"description":"Current hits (normalized 0-100)"},{"name":"Hits Max","type":"short","size":2,"value":"100","description":"Maximum hits (always 100 for normalized)"},{"name":"Can Be Renamed","type":"bool","size":1,"description":"Whether the mobile can be renamed by viewer"},{"name":"Version","type":"byte","size":1,"value":"0","description":"Status version (0 = compact)"}]},{"version":"Version 3 (Basic)","name":"Self Status (Pre-AOS)","condition":"Viewing self, pre-AOS expansion","size":70,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x11","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"value":"70","description":"Packet length"},{"name":"Serial","type":"uint","size":4,"description":"Mobile serial"},{"name":"Name","type":"ascii","size":30,"description":"Mobile name"},{"name":"Hits","type":"short","size":2,"description":"Current hits"},{"name":"Hits Max","type":"short","size":2,"description":"Maximum hits"},{"name":"Can Be Renamed","type":"bool","size":1,"description":"Whether the mobile can be renamed"},{"name":"Version","type":"byte","size":1,"value":"3","description":"Status version"},{"name":"Female","type":"bool","size":1,"description":"Gender flag (true = female)"},{"name":"Str","type":"short","size":2,"description":"Strength"},{"name":"Dex","type":"short","size":2,"description":"Dexterity"},{"name":"Int","type":"short","size":2,"description":"Intelligence"},{"name":"Stam","type":"short","size":2,"description":"Current stamina"},{"name":"Stam Max","type":"short","size":2,"description":"Maximum stamina"},{"name":"Mana","type":"short","size":2,"description":"Current mana"},{"name":"Mana Max","type":"short","size":2,"description":"Maximum mana"},{"name":"Gold","type":"int","size":4,"description":"Total gold in backpack"},{"name":"Armor Rating","type":"short","size":2,"description":"Armor rating"},{"name":"Weight","type":"short","size":2,"description":"Current weight (body weight + carried)"},{"name":"Stat Cap","type":"short","size":2,"description":"Total stat cap"},{"name":"Followers","type":"byte","size":1,"description":"Current follower count"},{"name":"Followers Max","type":"byte","size":1,"description":"Maximum follower slots"}]},{"version":"Version 4 (AOS)","name":"Self Status (Age of Shadows)","condition":"Viewing self, AOS expansion","size":88,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x11","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"value":"88","description":"Packet length"},{"name":"Serial","type":"uint","size":4,"description":"Mobile serial"},{"name":"Name","type":"ascii","size":30,"description":"Mobile name"},{"name":"Hits","type":"short","size":2,"description":"Current hits"},{"name":"Hits Max","type":"short","size":2,"description":"Maximum hits"},{"name":"Can Be Renamed","type":"bool","size":1,"description":"Whether the mobile can be renamed"},{"name":"Version","type":"byte","size":1,"value":"4","description":"Status version"},{"name":"Female","type":"bool","size":1,"description":"Gender flag (true = female)"},{"name":"Str","type":"short","size":2,"description":"Strength"},{"name":"Dex","type":"short","size":2,"description":"Dexterity"},{"name":"Int","type":"short","size":2,"description":"Intelligence"},{"name":"Stam","type":"short","size":2,"description":"Current stamina"},{"name":"Stam Max","type":"short","size":2,"description":"Maximum stamina"},{"name":"Mana","type":"short","size":2,"description":"Current mana"},{"name":"Mana Max","type":"short","size":2,"description":"Maximum mana"},{"name":"Gold","type":"int","size":4,"description":"Total gold in backpack"},{"name":"Physical Resist","type":"short","size":2,"description":"Physical resistance"},{"name":"Weight","type":"short","size":2,"description":"Current weight"},{"name":"Stat Cap","type":"short","size":2,"description":"Total stat cap"},{"name":"Followers","type":"byte","size":1,"description":"Current follower count"},{"name":"Followers Max","type":"byte","size":1,"description":"Maximum follower slots"},{"name":"Fire Resist","type":"short","size":2,"description":"Fire resistance"},{"name":"Cold Resist","type":"short","size":2,"description":"Cold resistance"},{"name":"Poison Resist","type":"short","size":2,"description":"Poison resistance"},{"name":"Energy Resist","type":"short","size":2,"description":"Energy resistance"},{"name":"Luck","type":"short","size":2,"description":"Luck"},{"name":"Damage Min","type":"short","size":2,"description":"Minimum weapon damage"},{"name":"Damage Max","type":"short","size":2,"description":"Maximum weapon damage"},{"name":"Tithing Points","type":"int","size":4,"description":"Tithing points (for Chivalry)"}]},{"version":"Version 5 (ML)","name":"Self Status (Mondain's Legacy)","condition":"Viewing self, ML expansion","size":91,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x11","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"value":"91","description":"Packet length"},{"name":"Serial","type":"uint","size":4,"description":"Mobile serial"},{"name":"Name","type":"ascii","size":30,"description":"Mobile name"},{"name":"Hits","type":"short","size":2,"description":"Current hits"},{"name":"Hits Max","type":"short","size":2,"description":"Maximum hits"},{"name":"Can Be Renamed","type":"bool","size":1,"description":"Whether the mobile can be renamed"},{"name":"Version","type":"byte","size":1,"value":"5","description":"Status version"},{"name":"Female","type":"bool","size":1,"description":"Gender flag (true = female)"},{"name":"Str","type":"short","size":2,"description":"Strength"},{"name":"Dex","type":"short","size":2,"description":"Dexterity"},{"name":"Int","type":"short","size":2,"description":"Intelligence"},{"name":"Stam","type":"short","size":2,"description":"Current stamina"},{"name":"Stam Max","type":"short","size":2,"description":"Maximum stamina"},{"name":"Mana","type":"short","size":2,"description":"Current mana"},{"name":"Mana Max","type":"short","size":2,"description":"Maximum mana"},{"name":"Gold","type":"int","size":4,"description":"Total gold in backpack"},{"name":"Physical Resist","type":"short","size":2,"description":"Physical resistance"},{"name":"Weight","type":"short","size":2,"description":"Current weight"},{"name":"Max Weight","type":"short","size":2,"description":"Maximum carry weight"},{"name":"Race","type":"byte","size":1,"description":"Race ID + 1 (1=Human, 2=Elf, 0=none)"},{"name":"Stat Cap","type":"short","size":2,"description":"Total stat cap"},{"name":"Followers","type":"byte","size":1,"description":"Current follower count"},{"name":"Followers Max","type":"byte","size":1,"description":"Maximum follower slots"},{"name":"Fire Resist","type":"short","size":2,"description":"Fire resistance"},{"name":"Cold Resist","type":"short","size":2,"description":"Cold resistance"},{"name":"Poison Resist","type":"short","size":2,"description":"Poison resistance"},{"name":"Energy Resist","type":"short","size":2,"description":"Energy resistance"},{"name":"Luck","type":"short","size":2,"description":"Luck"},{"name":"Damage Min","type":"short","size":2,"description":"Minimum weapon damage"},{"name":"Damage Max","type":"short","size":2,"description":"Maximum weapon damage"},{"name":"Tithing Points","type":"int","size":4,"description":"Tithing points (for Chivalry)"}]},{"version":"Version 6 (HS)","name":"Self Status (High Seas)","condition":"Viewing self, High Seas expansion with ExtendedStatus","size":121,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x11","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"value":"121","description":"Packet length"},{"name":"Serial","type":"uint","size":4,"description":"Mobile serial"},{"name":"Name","type":"ascii","size":30,"description":"Mobile name"},{"name":"Hits","type":"short","size":2,"description":"Current hits"},{"name":"Hits Max","type":"short","size":2,"description":"Maximum hits"},{"name":"Can Be Renamed","type":"bool","size":1,"description":"Whether the mobile can be renamed"},{"name":"Version","type":"byte","size":1,"value":"6","description":"Status version"},{"name":"Female","type":"bool","size":1,"description":"Gender flag (true = female)"},{"name":"Str","type":"short","size":2,"description":"Strength"},{"name":"Dex","type":"short","size":2,"description":"Dexterity"},{"name":"Int","type":"short","size":2,"description":"Intelligence"},{"name":"Stam","type":"short","size":2,"description":"Current stamina"},{"name":"Stam Max","type":"short","size":2,"description":"Maximum stamina"},{"name":"Mana","type":"short","size":2,"description":"Current mana"},{"name":"Mana Max","type":"short","size":2,"description":"Maximum mana"},{"name":"Gold","type":"int","size":4,"description":"Total gold in backpack"},{"name":"Physical Resist","type":"short","size":2,"description":"Physical resistance"},{"name":"Weight","type":"short","size":2,"description":"Current weight"},{"name":"Max Weight","type":"short","size":2,"description":"Maximum carry weight"},{"name":"Race","type":"byte","size":1,"description":"Race ID + 1 (1=Human, 2=Elf, 3=Gargoyle)"},{"name":"Stat Cap","type":"short","size":2,"description":"Total stat cap"},{"name":"Followers","type":"byte","size":1,"description":"Current follower count"},{"name":"Followers Max","type":"byte","size":1,"description":"Maximum follower slots"},{"name":"Fire Resist","type":"short","size":2,"description":"Fire resistance"},{"name":"Cold Resist","type":"short","size":2,"description":"Cold resistance"},{"name":"Poison Resist","type":"short","size":2,"description":"Poison resistance"},{"name":"Energy Resist","type":"short","size":2,"description":"Energy resistance"},{"name":"Luck","type":"short","size":2,"description":"Luck"},{"name":"Damage Min","type":"short","size":2,"description":"Minimum weapon damage"},{"name":"Damage Max","type":"short","size":2,"description":"Maximum weapon damage"},{"name":"Tithing Points","type":"int","size":4,"description":"Tithing points (for Chivalry)"},{"name":"Aos Statuses","type":"short[15]","size":30,"description":"Extended AOS status values. Array of 15 shorts indexed by status type.","values":[{"value":0,"name":"Max Physical Resist","description":"Maximum physical resistance cap"},{"value":1,"name":"Max Fire Resist","description":"Maximum fire resistance cap"},{"value":2,"name":"Max Cold Resist","description":"Maximum cold resistance cap"},{"value":3,"name":"Max Poison Resist","description":"Maximum poison resistance cap"},{"value":4,"name":"Max Energy Resist","description":"Maximum energy resistance cap"},{"value":5,"name":"Defense Chance Increase","description":"Current defense chance increase %"},{"value":6,"name":"Defense Chance Cap","description":"Maximum defense chance cap (always 45)"},{"value":7,"name":"Hit Chance Increase","description":"Hit chance increase %"},{"value":8,"name":"Swing Speed Increase","description":"Swing speed increase %"},{"value":9,"name":"Damage Increase","description":"Damage increase %"},{"value":10,"name":"Lower Reagent Cost","description":"Lower reagent cost %"},{"value":11,"name":"Spell Damage Increase","description":"Spell damage increase %"},{"value":12,"name":"Faster Cast Recovery","description":"Faster cast recovery"},{"value":13,"name":"Faster Casting","description":"Faster casting"},{"value":14,"name":"Lower Mana Cost","description":"Lower mana cost %"}]}],"notes":"Enhanced Client supports additional status indices 15-28 (HP/Stam/Mana regen, Reflect Physical, Enhance Potions, Stat Increases). ModernUO does not support Enhanced Client."}],"notes":"ModernUO supports 15 AOS status values (indices 0-14). Enhanced Client extends this to 29 values (indices 0-28), but ModernUO does not support Enhanced Client.","related":[{"id":"0x34","direction":"incoming","relationship":"request","note":"Mobile Query (stats) triggers this response"}],"source":{"file":"Projects/Server/Network/Packets/OutgoingMobilePackets.cs","line":497},"category":"Mobile","tags":["Mobile"]},{"id":"0x15","name":"Follow Message","description":"Instructs client to follow one entity with another.","direction":"outgoing","isDynamic":false,"size":9,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x15","description":"Packet identifier"},{"name":"Follower Serial","type":"uint","size":4,"description":"Serial of the follower"},{"name":"Target Serial","type":"uint","size":4,"description":"Serial of the target to follow"}],"source":{"file":"Projects/Server/Network/Packets/OutgoingMessagePackets.cs","line":231},"category":"Message","tags":["Message"]},{"id":"0x17","name":"Mobile Healthbar","description":"Updates a mobile's healthbar status (poison level, yellow bar for invulnerability).","direction":"outgoing","isDynamic":false,"size":12,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x17","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"value":"0x000C","description":"Packet length (12)"},{"name":"Serial","type":"uint","size":4,"description":"Mobile serial"},{"name":"Show Bar","type":"short","size":2,"value":"0x0001","description":"Show bar (always 1)"},{"name":"Healthbar Type","type":"enum","size":2,"description":"Type of healthbar overlay","values":[{"value":"1","name":"Poison","description":"Poison status bar"},{"value":"2","name":"Yellow","description":"Yellow/invulnerable bar"}]},{"name":"Level","type":"enum","size":1,"description":"Status level","values":[{"value":"0","name":"Off","description":"Status disabled"},{"value":"1","name":"Level1/On","description":"Poison level 1 or yellow on"},{"value":"2","name":"Level2","description":"Poison level 2 (Greater)"},{"value":"3","name":"Level3","description":"Poison level 3 (Deadly)"},{"value":"4","name":"Level4","description":"Poison level 4 (Lethal)"}]}],"source":{"file":"Projects/Server/Network/Packets/OutgoingMobilePackets.cs","line":419},"category":"Mobile","tags":["Mobile"]},{"id":"0x1A","name":"World Item","description":"Displays an item in the world (pre-Stygian Abyss clients).","direction":"outgoing","isDynamic":true,"size":"14+","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x1A","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length (14-20)"},{"name":"Serial","type":"uint","size":4,"description":"Item serial (bit 31 set if amount present)"},{"name":"Item ID","type":"ushort","size":2,"description":"Item graphic ID (bit 14 set for multi)"},{"name":"Amount","type":"ushort","size":2,"description":"Stack amount (if serial bit 31 set)","condition":"serial & 0x80000000"},{"name":"X","type":"ushort","size":2,"description":"X coordinate (bit 15 set if direction present)"},{"name":"Y","type":"ushort","size":2,"description":"Y coordinate (bit 15=hue, bit 14=flags)"},{"name":"Direction","type":"byte","size":1,"description":"Direction (if x bit 15 set)","condition":"x & 0x8000"},{"name":"Z","type":"sbyte","size":1,"description":"Z coordinate"},{"name":"Hue","type":"ushort","size":2,"description":"Item hue (if y bit 15 set)","condition":"y & 0x8000"},{"name":"Flags","type":"byte","size":1,"description":"Packet flags (if y bit 14 set)","condition":"y & 0x4000"}],"related":[{"id":"0xF3","relationship":"variant","note":"World Entity packet for SA+ clients"}],"notes":"For Stygian Abyss+ clients, use 0xF3 World Entity instead.","clientVersion":{"max":"6.0.14.2","notes":"Replaced by 0xF3 for SA+ clients"},"source":{"file":"Projects/Server/Network/Packets/OutgoingItemPackets.cs","line":24},"category":"Items","tags":["Items"]},{"id":"0x1B","name":"Login Confirmation","description":"Sent when entering the world. Confirms the player's mobile serial and initial position.","direction":"outgoing","isDynamic":false,"size":37,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x1B","description":"Packet identifier"},{"name":"Serial","type":"uint","size":4,"description":"Player mobile serial"},{"name":"Unknown","type":"int","size":4,"value":"0","description":"Unknown (always 0)"},{"name":"Body","type":"short","size":2,"description":"Player body ID"},{"name":"X","type":"short","size":2,"description":"X coordinate"},{"name":"Y","type":"short","size":2,"description":"Y coordinate"},{"name":"Z","type":"short","size":2,"description":"Z coordinate"},{"name":"Direction","type":"byte","size":1,"description":"Facing direction"},{"name":"Unknown2","type":"byte","size":1,"value":"0","description":"Unknown"},{"name":"Unknown3","type":"int","size":4,"value":"-1","description":"Unknown (always -1)"},{"name":"Unknown4","type":"int","size":4,"value":"0","description":"Unknown"},{"name":"Map Width","type":"short","size":2,"description":"Map width in tiles"},{"name":"Map Height","type":"short","size":2,"description":"Map height in tiles"},{"name":"Unknown5","type":"byte[6]","size":6,"description":"Unknown (zeros)"}],"related":[{"id":"0x5D","relationship":"request","note":"Play character request"}],"source":{"file":"Projects/Server/Network/Packets/OutgoingAccountPackets.cs","line":190},"category":"Account","tags":["Account"]},{"id":"0x1C","name":"ASCII Message","description":"Server sends ASCII-encoded message to client.","direction":"outgoing","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x1C","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Serial","type":"uint","size":4,"description":"Serial of speaker (0xFFFFFFFF for system)"},{"name":"Graphic","type":"short","size":2,"description":"Body graphic of speaker"},{"name":"Type","type":"enum","enumType":"sequential","size":1,"description":"Message type","values":[{"value":0,"name":"Regular","description":"Normal speech"},{"value":1,"name":"System","description":"System message"},{"value":2,"name":"Emote","description":"Emote (*action*)"},{"value":6,"name":"Label","description":"Object label"},{"value":7,"name":"Focus","description":"Focused message"},{"value":8,"name":"Whisper","description":"Whisper"},{"value":9,"name":"Yell","description":"Yell"},{"value":10,"name":"Spell","description":"Spell words"},{"value":13,"name":"Guild","description":"Guild chat"},{"value":14,"name":"Alliance","description":"Alliance chat"},{"value":15,"name":"Command","description":"Command"}]},{"name":"Hue","type":"short","size":2,"description":"Text color hue"},{"name":"Font","type":"short","size":2,"description":"Font ID"},{"name":"Name","type":"ascii","size":30,"description":"Speaker name"},{"name":"Text","type":"ascii-t","description":"Message text"}],"related":[{"id":"0x03","relationship":"request","note":"ASCII Speech from client"}],"source":{"file":"Projects/Server/Network/Packets/OutgoingMessagePackets.cs","line":180},"category":"Message","tags":["Message"]},{"id":"0x1D","name":"Remove Entity","description":"Removes an entity (item, mobile, or multi) from the client's view.","direction":"outgoing","isDynamic":false,"size":5,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x1D","description":"Packet identifier"},{"name":"Serial","type":"uint","size":4,"description":"Serial of entity to remove"}],"source":{"file":"Projects/Server/Network/Packets/OutgoingEntityPackets.cs","line":75},"category":"Item","tags":["Item","Mobile"]},{"id":"0x20","name":"Mobile Update","description":"Updates a mobile's basic display information (body, hue, position, flags).","direction":"outgoing","isDynamic":false,"size":19,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x20","description":"Packet identifier"},{"name":"Serial","type":"uint","size":4,"description":"Mobile serial"},{"name":"Body","type":"short","size":2,"description":"Body/graphic ID"},{"name":"Unknown","type":"byte","size":1,"description":"Unknown (always 0)"},{"name":"Hue","type":"short","size":2,"description":"Hue/color (or solid hue override)"},{"name":"Flags","type":"byte","size":1,"description":"Packet flags (hidden, poisoned, etc.)"},{"name":"X","type":"short","size":2,"description":"X coordinate"},{"name":"Y","type":"short","size":2,"description":"Y coordinate"},{"name":"Unknown2","type":"short","size":2,"description":"Unknown (always 0)"},{"name":"Direction","type":"byte","size":1,"description":"Facing direction"},{"name":"Z","type":"sbyte","size":1,"description":"Z coordinate"}],"source":{"file":"Projects/Server/Network/Packets/OutgoingMobilePackets.cs","line":578},"category":"Mobile","tags":["Mobile"]},{"id":"0x21","name":"Movement Rejection","description":"Sent by the server when player movement is blocked (collision, teleport area, etc). Contains the corrected position the client should snap back to.","direction":"outgoing","isDynamic":false,"size":8,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x21","description":"Packet identifier"},{"name":"Sequence","type":"byte","size":1,"description":"Sequence number of the rejected movement request"},{"name":"X","type":"short","size":2,"description":"Correct X coordinate"},{"name":"Y","type":"short","size":2,"description":"Correct Y coordinate"},{"name":"Direction","type":"byte","size":1,"description":"Correct facing direction (0-7)"},{"name":"Z","type":"sbyte","size":1,"description":"Correct Z coordinate"}],"related":[{"id":"0x02","relationship":"request","note":"The movement request that was rejected"}],"source":{"file":"Projects/Server/Network/Packets/OutgoingMovementPackets.cs","line":45},"category":"Movement","tags":["Movement"]},{"id":"0x22","name":"Movement Acknowledgment","description":"Sent by the server to confirm successful player movement. Includes the player's current notoriety for display purposes.","direction":"outgoing","noMerge":true,"isDynamic":false,"size":3,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x22","description":"Packet identifier"},{"name":"Sequence","type":"byte","size":1,"description":"Sequence number of the accepted movement request"},{"name":"Notoriety","type":"enum","enumType":"sequential","size":1,"description":"Player's current notoriety flag","values":[{"value":0,"name":"Innocent","description":"Blue - innocent player"},{"value":1,"name":"Friend","description":"Green - ally/friend"},{"value":2,"name":"Attackable","description":"Gray - can be attacked"},{"value":3,"name":"Criminal","description":"Gray - criminal flag"},{"value":4,"name":"Enemy","description":"Orange - enemy"},{"value":5,"name":"Murderer","description":"Red - murderer"},{"value":6,"name":"Invulnerable","description":"Yellow - invulnerable"}]}],"related":[{"id":"0x02","relationship":"request","note":"The movement request that was accepted"}],"notes":"Not related to incoming 0x22 (Resynchronize) despite sharing the same packet ID.","source":{"file":"Projects/Server/Network/Packets/OutgoingMovementPackets.cs","line":42},"category":"Movement","tags":["Movement"]},{"id":"0x23","name":"Drag Effect","description":"Displays a drag/drop visual effect between two points.","direction":"outgoing","isDynamic":false,"size":26,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x23","description":"Packet identifier"},{"name":"Item ID","type":"short","size":2,"description":"Item graphic ID"},{"name":"Unknown","type":"byte","size":1,"value":"0x00","description":"Unknown"},{"name":"Hue","type":"short","size":2,"description":"Item hue"},{"name":"Amount","type":"short","size":2,"description":"Item amount"},{"name":"Src Serial","type":"uint","size":4,"description":"Source entity serial"},{"name":"Src X","type":"short","size":2,"description":"Source X coordinate"},{"name":"Src Y","type":"short","size":2,"description":"Source Y coordinate"},{"name":"Src Z","type":"sbyte","size":1,"description":"Source Z coordinate"},{"name":"Dst Serial","type":"uint","size":4,"description":"Destination entity serial"},{"name":"Dst X","type":"short","size":2,"description":"Destination X coordinate"},{"name":"Dst Y","type":"short","size":2,"description":"Destination Y coordinate"},{"name":"Dst Z","type":"sbyte","size":1,"description":"Destination Z coordinate"}],"source":{"file":"Projects/Server/Network/Packets/OutgoingPlayerPackets.cs","line":198},"category":"Player","tags":["Player"]},{"id":"0x24","name":"Display Container","description":"Opens a container gump on the client.","direction":"outgoing","isDynamic":false,"size":"Varies","variants":[{"version":"pre-HighSeas","name":"Classic","size":7,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0x24","description":"Packet identifier"},{"name":"Container Serial","type":"uint","size":4,"description":"Serial of the 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2"},{"name":"String3","type":"ascii","size":32,"description":"System string 3"},{"name":"String4","type":"ascii","size":32,"description":"System string 4"},{"name":"Unknown4","type":"ushort","size":2,"description":"Unknown"},{"name":"Unknown5","type":"ushort","size":2,"description":"Unknown"},{"name":"Unknown6","type":"int","size":4,"description":"Unknown"},{"name":"Unknown7","type":"int","size":4,"description":"Unknown"},{"name":"Unknown8","type":"int","size":4,"description":"Unknown"}],"source":{"file":"Projects/UOContent/Network/Packets/IncomingPlayerPackets.cs","line":103},"category":"Player","tags":["Player"]},{"id":"0xA7","name":"Request Scroll Window","description":"Client requests a tips/scroll window.","direction":"incoming","isDynamic":false,"size":4,"fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xA7","description":"Packet identifier"},{"name":"Last Tip","type":"short","size":2,"description":"Last tip ID 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Lower 4 bits = message type (see Standard variant)"},{"name":"Hue","type":"short","size":2,"description":"Text color hue"},{"name":"Font","type":"short","size":2,"description":"Font ID"},{"name":"Language","type":"ascii","size":4,"description":"Language code (e.g., 'ENU')"},{"name":"Keyword Header","type":"ushort","size":2,"description":"Bits 15-4: keyword count (0-50), Bits 3-0: first hold value for packed IDs"},{"name":"Packed Keywords","type":"byte[]","description":"12-bit keyword IDs packed alternating: even indices use hold<<8|byte, odd indices use (short&0xFFF0)>>4 with new hold"},{"name":"Text","type":"utf8-t","description":"Speech text (UTF-8, null-terminated)"}]}],"notes":"Encoded keywords use 12-bit speech IDs packed efficiently. Keyword count must be 0-50. 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client","direction":"outgoing"},{"subId":"0x15","name":"Context Menu Response","description":"Selected context menu option","direction":"incoming"},{"subId":"0x18","name":"Map Patches","description":"Send map diff/patch information","direction":"outgoing"},{"subId":"0x19","name":"Stat Lock Info","description":"Stat lock states and bonded status","direction":"outgoing"},{"subId":"0x1A","name":"Stat Lock Change","description":"Change STR/DEX/INT lock state","direction":"incoming"},{"subId":"0x1B","name":"New Spellbook Content","description":"Spellbook spell list (AOS+)","direction":"outgoing"},{"subId":"0x1C","name":"Cast Spell","description":"Cast spell by ID","direction":"incoming"},{"subId":"0x1E","name":"Query Design Details","description":"Request house design details","direction":"incoming"},{"subId":"0x21","name":"Set Weapon Ability","description":"Clear weapon ability selection","direction":"outgoing"},{"subId":"0x22","name":"Damage","description":"Display damage number (old 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mode","direction":"incoming"}],"source":{"file":"Projects/UOContent/Network/Packets/IncomingExtendedCommandPackets.cs","line":43},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x05","subId":"0x05","name":"Screen Size","description":"Client reports screen size.","direction":"incoming","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xBF","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Sub-Command","type":"ushort","size":2,"value":"0x05","description":"Screen Size subcommand"},{"name":"Width","type":"int","size":4,"description":"Screen width"},{"name":"Unknown","type":"int","size":4,"description":"Unknown value"}],"source":{"file":"Projects/UOContent/Network/Packets/IncomingExtendedCommandPackets.cs","line":136},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x06","subId":"0x06","name":"Party 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invitation"},{"value":9,"name":"Decline","description":"Decline party invitation"}]},{"name":"Data","type":"byte[]","description":"Command-specific data (target serial, message text)"}],"source":{"file":"Projects/UOContent/Network/Packets/IncomingExtendedCommandPackets.cs","line":142},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x07","subId":"0x07","name":"Quest Arrow Click","description":"Client clicked the quest tracking arrow.","direction":"incoming","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xBF","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Sub-Command","type":"ushort","size":2,"value":"0x07","description":"Quest Arrow Click subcommand"},{"name":"Right Click","type":"bool","size":1,"description":"True if right-clicked, false if left-clicked"}],"related":[{"id":"0xBA","relationship":"response","note":"Quest Arrow packet"}],"source":{"file":"Projects/UOContent/Skills/Tracking/Tracking.cs","line":26},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x09","subId":"0x09","name":"Disarm Request","description":"Client requests to disarm opponent.","direction":"incoming","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xBF","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Sub-Command","type":"ushort","size":2,"value":"0x09","description":"Disarm Request subcommand"}],"source":{"file":"Projects/UOContent/Network/Packets/IncomingExtendedCommandPackets.cs","line":289},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x0A","subId":"0x0A","name":"Stun Request","description":"Client requests to stun opponent.","direction":"incoming","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xBF","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Sub-Command","type":"ushort","size":2,"value":"0x0A","description":"Stun Request subcommand"}],"source":{"file":"Projects/UOContent/Network/Packets/IncomingExtendedCommandPackets.cs","line":277},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x0B","subId":"0x0B","name":"Language","description":"Client sets language preference.","direction":"incoming","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xBF","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Sub-Command","type":"ushort","size":2,"value":"0x0B","description":"Language subcommand"},{"name":"Language","type":"ascii","size":4,"description":"Language code (e.g., 'ENU')"}],"source":{"file":"Projects/UOContent/Network/Packets/IncomingExtendedCommandPackets.cs","line":343},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x0C","subId":"0x0C","name":"Close Status","description":"Client closes a status gump.","direction":"incoming","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xBF","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Sub-Command","type":"ushort","size":2,"value":"0x0C","description":"Close Status subcommand"},{"name":"Serial","type":"uint","size":4,"description":"Serial of mobile whose status to close"}],"source":{"file":"Projects/UOContent/Network/Packets/IncomingExtendedCommandPackets.cs","line":338},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x0E","subId":"0x0E","name":"Animate","description":"Client requests to play an animation.","direction":"incoming","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xBF","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Sub-Command","type":"ushort","size":2,"value":"0x0E","description":"Animate subcommand"},{"name":"Action","type":"int","size":4,"description":"Animation action ID (must be in valid list)"}],"notes":"Only specific animation IDs are allowed for security.","source":{"file":"Projects/UOContent/Network/Packets/IncomingExtendedCommandPackets.cs","line":233},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x0F","subId":"0x0F","name":"Client Info","description":"Client type information (Spy on Client). No data is read from this packet.","direction":"incoming","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xBF","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Sub-Command","type":"ushort","size":2,"value":"0x0F","description":"Client Info subcommand"}],"source":{"file":"Projects/UOContent/Network/Packets/IncomingExtendedCommandPackets.cs","line":52},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x10","subId":"0x10","name":"Query Properties","description":"Client queries Object Property List (tooltip) for an entity.","direction":"incoming","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xBF","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Sub-Command","type":"ushort","size":2,"value":"0x10","description":"Query Properties subcommand"},{"name":"Serial","type":"uint","size":4,"description":"Serial of entity to query"}],"related":[{"id":"0xDC","direction":"outgoing","relationship":"response","note":"OPL Info packet"}],"source":{"file":"Projects/UOContent/Network/Packets/IncomingExtendedCommandPackets.cs","line":355},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x13","subId":"0x13","name":"Context Menu Request","description":"Client requests context menu for an entity.","direction":"incoming","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xBF","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Sub-Command","type":"ushort","size":2,"value":"0x13","description":"Context Menu Request subcommand"},{"name":"Target Serial","type":"uint","size":4,"description":"Serial of entity to show context menu for"}],"related":[{"id":"0xBF/0x14","relationship":"response","note":"Context Menu Display packet"}],"source":{"file":"Projects/UOContent/Context Menus/ContextMenuSystem.cs","line":101},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x15","subId":"0x15","name":"Context Menu Response","description":"Client selects an option from context menu.","direction":"incoming","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xBF","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Sub-Command","type":"ushort","size":2,"value":"0x15","description":"Context Menu Response subcommand"},{"name":"Target Serial","type":"uint","size":4,"description":"Serial of entity context menu was shown for"},{"name":"Index","type":"ushort","size":2,"description":"Index of selected menu option"}],"related":[{"id":"0xBF/0x13","relationship":"request","note":"Context Menu Request packet"}],"source":{"file":"Projects/UOContent/Context Menus/ContextMenuSystem.cs","line":48},"category":"Extended Commands (0xBF)","tags":["Extended Commands (0xBF)"]},{"id":"0xBF/0x1A","subId":"0x1A","name":"Stat Lock Change","description":"Client changes stat lock (STR/DEX/INT).","direction":"incoming","isDynamic":true,"size":"var","fields":[{"name":"Packet ID","type":"byte","size":1,"value":"0xBF","description":"Packet identifier"},{"name":"Length","type":"ushort","size":2,"description":"Packet length"},{"name":"Sub-Command","type":"ushort","size":2,"value":"0x1A","description":"Stat Lock Change subcommand"},{"name":"Stat","type":"enum","enumType":"sequential","size":1,"description":"Which stat to change","values":[{"value":0,"name":"Strength","description":"Strength lock"},{"value":1,"name":"Dexterity","description":"Dexterity lock"},{"value":2,"name":"Intelligence","description":"Intelligence lock"}]},{"name":"Lock 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