Category talk:GTA VCS

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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.

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

Section 3 - Parked Cars

4b - FLOAT   - Position X
4b - FLOAT   - Position Y
4b - FLOAT   - Position Z
4b - FLOAT   - Unknown
4b - FLOAT   - Unknown
4b - FLOAT   - Unknown
4b - UINT32  - Model name hash
4b - INT32   - Unknown
4b - INT32   - Unknown
4b - INT32   - Unknown
4b - INT32   - Unknown
4b - INT32   - Unknown
4b - INT32   - Unknown
4b - INT32   - 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

External Link

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