WDB

From WoWDev

1 WDB files
- 1.1 Header
2 Known WDB files
3 Header explained

WDB files

The WDB files are found inside the WDB folder. The client caches data it receives from the server. This is mainly done to reduce network traffic.

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Header

WDB files < 1.6: Header length is 16 bytes

WDB files >=1.6: Header length is 20 bytes (Verified till 1.9.4)

Offset	Type	Description
0x00	char[4]	Identifier, depends on the WDB file, will be explained later
0x04	uint32	Client Version - Version of the client (lo -> hi encoding)
0x08	char[4]	Client Local - The Locale of the client
0x0C	????	4 bytes unknown
0x10	????	4 bytes unknown
0x15	????	4 bytes unknown (Beginning with version 1.6 and later)

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Known WDB files

Depending on the client/server version, the WDB folder contains the following files:

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Header explained

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Identifier

Every WDB file contains a unique identifier (first 4 bytes):

* "BOGW" (42 4F 47 57) - gameobjectcache.wdb
* "BOMW" (42 4F 4D 57) - creaturecache.wdb
* "BDIW" (42 44 49 57) - itemcache.wdb
* "BDNW" (42 44 4E 57) - itemnamecache.wdb
* "XTIW" (58 54 49 57) - itemtextcaxhe.wdb
* "CPNW" (43 50 4E 57) - npccache.wdb
* "XTPW" (58 54 50 57) - pagetextcache.wdb
* "TSQW" (54 53 51 57) - questcache.wdb
* "NDRW" (4E 44 52 57) - wowcache.wdb

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Version number

Next four bytes identify the version of the WoW client: (To verify your wow.exe do a right mouse click and select "Properties")

Official version	build number	hex string (format inside WDB: low -> high)
1.2.3	4211	1073
1.2.4	4222	107E
1.3.0	4284	10BC
1.3.1	4297	10C9
1.4.0	4341	10F5
1.4.1	????
1.4.2	4375	1117
1.4.3	4413	113D
1.5.0	????
1.5.1	4449	1161
1.6.0	4500	1194
1.6.1	4544	11C0
1.7.0	4671	123F
1.7.1	4695	1257
1.8.0	4735	127F
1.8.1	4769	12A1
1.8.2	4784	12B0
1.8.3	4807	12C7
1.8.4	4878	130E
1.9.0	4937	1349
1.9.1	????
1.9.2	4996	1384
1.9.3	5059	13C3
1.9.4	5086	13DE
1.10.0	5195	144B
1.10.1	5230	146E
1.10.2	5302	14B6