WPL
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WPL is the format of the map-related files similar to IPLs from the previous games. It can be edited with WPL Manager.
Contents
File Format
Each world placement file starts with one single header followed by the object placement information. The structure for the header is very simple:
4b - UINT32 - Unknown 4b - UINT32 - Instances
The placement information corresponds to the previous instance section of the .ipl files. They have a binary structure like the binary ipl files introduced with San Andreas:
Section 0 - INST
4b - FLOAT - Position X 4b - FLOAT - Position Y 4b - FLOAT - Position Z 4b - FLOAT - Rotation X 4b - FLOAT - Rotation Y 4b - FLOAT - Rotation Z 4b - FLOAT - Rotation W 4b - UINT32 - Model name hash 4b - UINT32 - Unknown 4b - UINT32 - LOD Index (Index of another model in the current file) 4b - UINT32 - Unknown 4b - UINT32 - Unknown
Rotation information as Quarternion
XPL
In the XBox 360's version of GTA 4 same files have the extension .xpl. The XPL and WPL formats are same, but due to the fact XPL files are used on the Xenon platform its data is stored in the big-endian order.
Tools
- WPL Manager – by Yoann (UZI-I)
External Link
GTAForums: WPL file format specification
 Grand Theft Auto IV | |
|---|---|
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| Tutorials | Importing Textures with OpenIV • Importing Textures with SparkIV |
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