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General
Blocks
Items
Player
Inventory
Mobs
Tile Entities
Sounds
Technical
Data Types
NBT
Java Language Features
Noise
Collision
Compression
Networking
Terminology
Effects
Behavior
Login
Packets
0x00: Keep Alive
0x01: Login
0x02: Handshake
0x03: Chat Message
0x04: Time
0x05: Entity Equipment
0x06: Spawn Point
0x07: Click Entity
0x08: Set Health
0x09: Respawn
0x0A: Player On Ground
0x0B: Player Position
0x0C: Player Look
0x0D: Player Position and Look
0x0E: Mine
0x0F: Place
0x10: Holding Change
0x12: Animation
0x13: Entity Action
0x1B: StanceUpdate
0x1E: Entity
0x32: Pre-Chunk
0x33: Chunk
0x35: Block Change
0x3D: Effect
0x46: Game State
0x64: Open Inventory
0x65: Close Inventory
0x66: Click Inventory Slot
0x68: Window Items
0x69: Furnace
0x82: Sign
0xFF: Disconnect
Rendering
Textures
Lighting
Meshing
Worlds
Biomes
Generation
Population
World Format
Chunk
Projects
Resources
Contributing
TODO
Networking
Packets
0x10: Holding Change
Holding Change
Packet ID
Direction
0x10
Serverbound
Serverbound
Sent when the player changes the slot selection
Field
Type
Description
Slot
Short
The slot which the player has selected (0-8)
Example Packet
Serverbound
Field
Value
Slot
3