CULL

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CULL (IPL section)
Short description:Create a culling zone
Supported games:GTA 3 GTA VC GTA SA GTA IV
IPL Sections:
2DFX AUZO BLOK CARS CULL ENEX GRGE
INST JUMP LINK LODM MLO+ MULT OCCL
PATH PICK RTFX SLOW TCYC VNOD ZONE

CULL is a section in the IPL file. It is used to create zones with different behaviour like mirrors [1] or fixed camera positions. It can also influence the environment like disable rain within the zone and certain police behaviors.

Format

GTA III and Vice City

Cull zones in GTA III and Vice City are built by a box which is controlled by various flags[2]. By default, most of the cull zones are located in data\maps\cull.ipl for both games.

GTA III Vice City Identifier Type Description
A,B,C CenterX, CenterY, CenterZ float[3] A point which defines the center of the box in real world coordinates.
D,E,F LowerLeftX, LowerLeftY, LowerLeftZ float[3] A point which corresponds to the lower left corner of the box.
G,H,I UpperRightX, UpperRightY, UpperRightZ float[3] A point which corresponds to the upper right corner of the box.
J Flags integer The behaviour of the cull zone – see below.
K Unknown integer Always 0

Changing the zones center coordinates does not directly affect the zone itself. Anyway this vector should always point to the real center of the zone since those values are used to calculate the distance of several instances (e.g. the player) to the zone itself.

GTA San Andreas / IV

San Andreas has two different major formats in the game:

CenterX, CenterY, CenterZ, Unknown1, Length, Bottom, Width, Unknown2, Top, Flag, Unknown3
CenterX, CenterY, CenterZ, Unknown1, Length, Bottom, Width, Unknown2, Top, Flag, Vx, Vy, Vz, Cm

Coordinates are always rounded to the nearest world unit so that they are no longer floating point values, they are non-decimal integers.

Value Description
CenterX, CenterY, CenterZ Vector to the center of the cull zone.
Unknown1, Unknown2, Unknown3 Allways 0.
Length Dimensions of the zone along y-axis.
Width Dimensions of the zone along x-axis.
Top, Bottom Absolute Z coordinate of the top and bottom of the box.
Flag The behaviour of the cull zone – see below
Vx, Vy, Vz, Cm Mirror parameters [4].

This section is incomplete. You can help by fixing and expanding it.

Mirrors

Flags

Flags are numbers which are build out of a collection of numbers formed by the power of 2-numbers lower than 230. Some are defining various behaviours of the zone. They can be combined by simply adding one flag value to another (see binary to decimal conversion).

Flag Supported games Binary Description
-1 1111 1111 1111 1111 Enables all flags. [3]
1 GTA III Vice City San Andreas GTA 4 0000 0000 0000 0001 Camera close in into player using closest third-person view camera mode, does not close in if in first person or cinematic mode, camera mode cannot be changed while in the zone
2 GTA III Vice City San Andreas GTA 4 0000 0000 0000 0010 Camera remotely placed outside the zone, no control of camera, camera mode cannot be changed while in the zone
4 GTA III Vice City San Andreas GTA 4 0000 0000 0000 0100 Lowers the camera angle on boats
8 GTA III Vice City San Andreas GTA 4 0000 0000 0000 1000 Rain-free, police helicopter-free zone
16 GTA III Vice City 0000 0000 0001 0000 Police will not exit their vehicles voluntarily. They will only exit if you do something to them (like shoot it). Cops both on foot and in vehicles will not chase you but can shoot at you.
256 GTA III Vice City 0000 0001 0000 0000 Police will always exit their vehicles once they are spawned ONLY IF you have a wanted level. If you don't, they'll drive normally.
512 Vice City 0000 0010 0000 0000
1024 Vice City 0000 0100 0000 0000 Some visual ocean water effects are removed like the transparent waves and sparkles on the water
4096 San Andreas GTA 4 0001 0000 0000 0000 5-Star Military zone.

This section is incomplete. You can help by fixing and expanding it.

References

External links

v · d · e
GTA 4 Grand Theft Auto IV
File Formats.dat.gxt.ide.img.ipl.nod.sco.rpf.rrr.wad.wbd/.wbn.wdd.wdr.wft.whm.wpl.wtd
DocumentationAudioBink VideoCryptographyCutscenesImage listingMap ListingNative functionsPathsSavesScenariosVTableWeapons
ToolsASI LoaderENBSeriesG-TextureGIMSIV NeedleOpenIVScoclSparkIVXLiveLessWPL ManagerX Mod Installer
AliceC++ Script Hook.NET Script Hook
TutorialsImporting Textures with OpenIVImporting Textures with SparkIV
ModificationsGostown IVFour MultiplayerIV Multiplayer
Useful linksCommunity portalDiscussion forumsGTA IV Modding ForumMods on GTAGarage.com
v · d · e
San Andreas Grand Theft Auto: San Andreas
File Formats.b.col.cfg.cut.dff.dat.fxp.gxt.ide.ifp.img.iplnodes*.dat.ped.rep.rrr.scm.set.txd
DocumentationAudioCryptographyCutscenesGame memoryHandling.cfgMap ListingMission PacksOpcodesPathsReplaysSavesScriptsSound EffectsStatisticsVehicles
ToolsCLEOCollision File Editor IIENBSeriesG-ToolsIMG ToolLimit AdjusterMap EditorMod LoaderSan Andreas Audio ToolkitSanny BuilderTXD Workshop
TutorialsSan Andreas v2.0 ModdingHow to create a missionHow to create a threadHow to use Map EditorVehicle Mod Installation
ModificationsDesign Your Own MissionGostown ParadiseGTA: UnitedMyriad Islands
MultiplayergtaTournamentMulti Theft AutoSan Andreas Multiplayer(more...)
Useful linksCommunity portalDiscussion forumsMods on GTAGarage.comOpcodes database
v · d · e
Vice City Grand Theft Auto: Vice City
File Formats.adf.b.col.cfg.dff.dat.gxt.ide.ifp.img/.dir.ipl.raw/.sdt.rep.scm.txd
DocumentationAudioHandlingMap ListingOpcodesScript PathsSavesSound EffectsStatisticsVehicles
ToolsCLEOCollision File Editor IIG-ToolsGXT EditorIMG ToolLimit AdjusterKEd (map editor)Sanny BuilderTXD Workshop
TutorialsHow to create a missionHow to create a threadVehicle Mod Installation
MultiplayerGTA:LC MultiplayergtaTournamentMulti Theft AutoState Of Liberty OnlineVice City MultiplayerVice City Online
Useful linksCommunity portalDiscussion forumsMods on GTAGarage.comModding VC Mobile versionOpcodes database
v · d · e
GTA III Grand Theft Auto III
File Formats.b.col.cfg.dff.dat.gxt.ide.ifp.img.ipl.raw/.sdt.scm.txd
DocumentationAudioHandling.cfgMap ListingOpcodesPathsSavesSound EffectsStatisticsVehicles
ToolsCLEOCollision File Editor IIG-ToolsIMG ToolMap EditorSanny BuilderTXD WorkshopWater Editor
TutorialsHow to create a missionHow to create a threadHow to use Map EditorVehicle Mod Installation
MultiplayerLiberty UnleashedMulti Theft AutoMore...
Useful linksCommunity portalDiscussion forumsMods on GTAGarage.comModding GTA 3 Mobile versionOpcodes database