Version 2026.01.15 c04fdfe10 window

Window Packets

Version: 2026.01.15-c04fdfe10

This category contains 5 packet(s).

Packet Index

ID	Name	Compressed	Max Size
0xC8	OpenWindow	Yes	1.7 GB
0xC9	UpdateWindow	Yes	1.7 GB
0xCA	CloseWindow	No	4 bytes
0xCB	SendWindowAction	No	32.8 MB
0xCC	ClientOpenWindow	No	1 bytes

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OpenWindow

Property	Value
Packet ID	0xC8 (200)
Compressed	Yes
Fixed Block Size	6 bytes
Variable Field Count	3
Max Size	1.7 GB
Nullable Bit Field	1 byte(s)

Fields

Name	Type	Nullable	Max Length
id	int	No	-
windowType	WindowType	No	-
windowData	String	Yes	4096000
inventory	InventorySection	Yes	-
extraResources	ExtraResources	Yes	-

windowType enum values:

• 0 = Container
• 1 = PocketCrafting
• 2 = BasicCrafting
• 3 = DiagramCrafting
• 4 = StructuralCrafting
• 5 = Processing
• 6 = Memories

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UpdateWindow

Property	Value
Packet ID	0xC9 (201)
Compressed	Yes
Fixed Block Size	5 bytes
Variable Field Count	3
Max Size	1.7 GB
Nullable Bit Field	1 byte(s)

Fields

Name	Type	Nullable	Max Length
id	int	No	-
windowData	String	Yes	4096000
inventory	InventorySection	Yes	-
extraResources	ExtraResources	Yes	-

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CloseWindow

Property	Value
Packet ID	0xCA (202)
Compressed	No
Fixed Block Size	4 bytes
Variable Field Count	0
Max Size	4 bytes

Fields

Name	Type	Nullable	Max Length
id	int	No	-

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SendWindowAction

Property	Value
Packet ID	0xCB (203)
Compressed	No
Fixed Block Size	4 bytes
Variable Field Count	1
Max Size	32.8 MB

Fields

Name	Type	Nullable	Max Length
id	int	No	-
action	WindowAction	No	-

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ClientOpenWindow

Property	Value
Packet ID	0xCC (204)
Compressed	No
Fixed Block Size	1 bytes
Variable Field Count	0
Max Size	1 bytes

Fields

Name	Type	Nullable	Max Length
type	WindowType	No	-

type enum values:

• 0 = Container
• 1 = PocketCrafting
• 2 = BasicCrafting
• 3 = DiagramCrafting
• 4 = StructuralCrafting
• 5 = Processing
• 6 = Memories

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