cullzone.dat
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The cullzone.dat is a binary file containing zoning information in GTA III and Vice City. The file is located in the \data folder of the game's directory. It is unknown what the file does and it does not appear to be used in the games.
GTA III
The CULLZONE.DAT file consists of seven distinct sections. Many of the zones closely mimic the cull.ipl file.
| Offset | Type | Description |
|---|---|---|
| Section 1 | ||
| 0x00000 | dword | number of entries in section 2 |
| Section 2 | ||
| 0x00004 | 52 bytes[512] | structures (see below) |
| Offset | Type | Description |
|---|---|---|
| 0x00 | float | x center |
| 0x04 | float | y center |
| 0x08 | float | z center |
| 0x0C | float | x bottom left |
| 0x10 | float | x top right |
| 0x14 | float | y bottom left |
| 0x18 | float | y top right |
| 0x1C | float | z bottom left |
| 0x20 | float | z top right |
| 0x24 | dword | ? |
| 0x28 | word | ? |
| 0x2C | word | ? |
| 0x2E | word | ? |
| 0x30 | word | ? |
| 0x32 | word | ? |
| 0x34 | word | ? |
| Section 3 | ||
|---|---|---|
| 0x06804 | dword | number of entries in section 4 |
| Section 4 | ||
| 0x06808 | 28 bytes[288] | structures (see below) |
| Offset | Type | Description |
|---|---|---|
| 0x00 | float | x bottom left |
| 0x04 | float | x top right |
| 0x08 | float | y bottom left |
| 0x0C | float | y top right |
| 0x10 | float | z bottom left |
| 0x14 | float | z top right |
| 0x18 | word | ? |
| 0x1A | word | ? |
| 0x08788 | ? | Section 5 |
| 0x23538 | ? | Section 6 |
| 0x26030 | ? | Section 7 |
Vice City
In addition to Cullzone.dat, Vice City has a file called Cullzoneempty.dat. Both of these files are not used by the game at all.
External links
GTAForums: Discussion of file format
Table of entries from sections 1 through 4-
cullzone.dat reader (JavaScript), by spaceeinstein - Cullzone decompiler/compiler, by Majestic
