# NIF File Format Documentation

NIF Objects | Compound Types | Enum Types | Basic Types | File Versions

## Ptr

A signed 32-bit integer, referring to a object before this one in the hierarchy. Examples: Bones, gravity objects.

### Can Be Used As Array Size

No

### Found In

- FxRadioButton
- NiCollisionObject
- NiControllerSequence
- NiFurSpringController
- NiLookAtController
- NiLookAtInterpolator
- NiMultiTargetTransformController
- NiPSysBombModifier
- NiPSysCollider
- NiPSysDragModifier
- NiPSysGravityModifier
- NiPSysModifier
- NiPSysVolumeEmitter
- NiParticleModifier
- NiParticleSystemController
- NiPhysXTransformDest
- NiPortal
- NiRoom
- NiRoomGroup
- NiShadowGenerator
- NiSkinInstance
- NiSkinningMeshModifier
- NiTimeController
- NiTriShapeSkinController
- bhkBallSocketConstraintChain
- bhkBreakableConstraint
- bhkCompressedMeshShape
- bhkConstraint
- AVObject
- NodeGroup
- SkinShape