2026.01.24 6e2d4fc36 worldmap

Worldmap Packets

Version: 2026.01.24-6e2d4fc36

This category contains 11 packet(s).

Packet Index

ID	Name	Package	Compressed	Max Size
-	MapChunk	com.hypixel.hytale.protocol.packets.worldmap	No	15.6 MB
-	ContextMenuItem	com.hypixel.hytale.protocol.packets.worldmap	No	31.3 MB
-	MapImage	com.hypixel.hytale.protocol.packets.worldmap	No	15.6 MB
-	BiomeData	com.hypixel.hytale.protocol.packets.worldmap	No	31.3 MB
-	MapMarker	com.hypixel.hytale.protocol.packets.worldmap	No	1600 MB
0xF0	UpdateWorldMapSettings	com.hypixel.hytale.protocol.packets.worldmap	No	1600 MB
0xF1	UpdateWorldMap	com.hypixel.hytale.protocol.packets.worldmap	Yes	1600 MB
0xF2	ClearWorldMap	com.hypixel.hytale.protocol.packets.worldmap	No	-
0xF3	UpdateWorldMapVisible	com.hypixel.hytale.protocol.packets.worldmap	No	1 bytes
0xF4	TeleportToWorldMapMarker	com.hypixel.hytale.protocol.packets.worldmap	No	15.6 MB
0xF5	TeleportToWorldMapPosition	com.hypixel.hytale.protocol.packets.worldmap	No	8 bytes

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MapChunk

Property	Value
Compressed	No
Fixed Block Size	9 bytes
Variable Field Count	1
Max Size	15.6 MB
Nullable Bit Field	1 byte(s)
Variable Block Start	9

Fields

Name	Type	Offset	Size	Encoding	Nullable
chunkX	int	1	4	int32_le	No
chunkZ	int	5	4	int32_le	No
image	MapImage	-1	var	nested:MapImage	Yes

Layout Notes: Fixed block contains nullable bits at offset 0, fixed fields at offsets 1-8, variable data (MapImage) at offset 9 if present

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ContextMenuItem

Property	Value
Compressed	No
Variable Field Count	2
Max Size	31.3 MB
Variable Block Start	8

Fields

Name	Type	Offset	Size	Encoding	Nullable
name	String	-1	var	var_string:utf8	No
command	String	-1	var	var_string:utf8	No

Layout Notes: Fixed block contains two 4-byte offset pointers to variable-length strings 'name' and 'command'. No nullable bits are used.

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MapImage

Property	Value
Compressed	No
Fixed Block Size	9 bytes
Variable Field Count	1
Max Size	15.6 MB
Nullable Bit Field	1 byte(s)
Variable Block Start	9

Fields

Name	Type	Offset	Size	Encoding	Nullable
width	int	1	4	int32_le	No
height	int	5	4	int32_le	No
data	int[]	-1	var	array:int32_le	Yes

Layout Notes: Fixed block contains nullBits at offset 0, width at offset 1, height at offset 5; data array length and contents in variable block starting at offset 9

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BiomeData

Property	Value
Compressed	No
Fixed Block Size	9 bytes
Variable Field Count	2
Max Size	31.3 MB
Nullable Bit Field	1 byte(s)
Variable Block Start	17

Fields

Name	Type	Offset	Size	Encoding	Nullable
zoneId	int	1	4	int32_le	No
zoneName	String	-1	var	var_string:utf8	Yes
biomeName	String	-1	var	var_string:utf8	Yes
biomeColor	int	5	4	int32_le	No

Layout Notes: Fixed block contains nullable bits at offset 0, fixed fields at offsets 1-8, variable string offsets stored at offsets 9 and 13 respectively. Variable strings are located at positions relative to offset + 17, with their offsets stored in the fixed block.

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MapMarker

Property	Value
Compressed	No
Fixed Block Size	38 bytes
Variable Field Count	4
Max Size	1600 MB
Nullable Bit Field	1 byte(s)
Variable Block Start	54

Fields

Name	Type	Offset	Size	Encoding	Nullable
id	String	-1	var	var_string:utf8	Yes
name	String	-1	var	var_string:utf8	Yes
markerImage	String	-1	var	var_string:utf8	Yes
transform	Transform	1	0	nested:Transform	Yes
contextMenuItems	ContextMenuItem[]	-1	var	array:nested:ContextMenuItem	Yes

Layout Notes: Fixed block contains nullable bits at offset 0, offsets to variable data at offset + 38, +42, +46, +50 respectively

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UpdateWorldMapSettings

Property	Value
Packet ID	0xF0 (240)
Compressed	No
Fixed Block Size	16 bytes
Variable Field Count	1
Max Size	1600 MB
Nullable Bit Field	1 byte(s)
Variable Block Start	16

Fields

Name	Type	Offset	Size	Encoding	Nullable
enabled	boolean	1	1	byte	No
biomeDataMap	Map<Short, BiomeData>	-1	var	nested:Map<Short, BiomeData>	Yes
allowTeleportToCoordinates	boolean	2	1	byte	No
allowTeleportToMarkers	boolean	3	1	byte	No
defaultScale	float	4	4	float32_le	No
minScale	float	8	4	float32_le	No
maxScale	float	12	4	float32_le	No

Layout Notes: Fixed block contains nullable bits at offset 0, fixed fields at offsets 1-12, variable data (biomeDataMap) at offset 16 if nullable bit 1 is set

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UpdateWorldMap

Property	Value
Packet ID	0xF1 (241)
Compressed	Yes
Fixed Block Size	1 bytes
Variable Field Count	3
Max Size	1600 MB
Nullable Bit Field	1 byte(s)
Variable Block Start	13

Fields

Name	Type	Offset	Size	Encoding	Nullable
chunks	MapChunk[]	-1	var	nested:MapChunk[]	Yes
addedMarkers	MapMarker[]	-1	var	nested:MapMarker[]	Yes
removedMarkers	String[]	-1	var	var_string:utf8	Yes

Layout Notes: Fixed block contains nullable bits at offset 0; offsets to variable data stored at offsets 1, 5, and 9 respectively, with variable data starting at offset 13

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ClearWorldMap

Property	Value
Packet ID	0xF2 (242)
Compressed	No
Variable Field Count	0

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UpdateWorldMapVisible

Property	Value
Packet ID	0xF3 (243)
Compressed	No
Fixed Block Size	1 bytes
Variable Field Count	0
Max Size	1 bytes
Variable Block Start	1

Fields

Name	Type	Offset	Size	Encoding	Nullable
visible	boolean	0	1	byte	No

Layout Notes: Packet consists of a single boolean field at offset 0, total size 1 byte

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TeleportToWorldMapMarker

Property	Value
Packet ID	0xF4 (244)
Compressed	No
Fixed Block Size	1 bytes
Variable Field Count	1
Max Size	15.6 MB
Nullable Bit Field	1 byte(s)
Variable Block Start	1

Fields

Name	Type	Offset	Size	Encoding	Nullable
id	String	-1	var	var_string:utf8	Yes

Layout Notes: Fixed block contains nullable bits at offset 0; variable data (id string) stored starting at offset 1, with length prefixed by VarInt

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TeleportToWorldMapPosition

Property	Value
Packet ID	0xF5 (245)
Compressed	No
Fixed Block Size	8 bytes
Variable Field Count	0
Max Size	8 bytes
Variable Block Start	8

Fields

Name	Type	Offset	Size	Encoding	Nullable
x	int	0	4	int32_le	No
y	int	4	4	int32_le	No

Layout Notes: Fixed block contains two 4-byte integers at offsets 0 and 4; no nullable bits or variable fields.

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