java.lang.Object
- net.minecraftforge.eventbus.api.Event
- - net.minecraftforge.event.world.BlockEvent
  - - net.minecraftforge.event.world.PistonEvent
    - - net.minecraftforge.event.world.PistonEvent.Pre

Enclosing class:

PistonEvent
```
public static class PistonEvent.Pre
extends PistonEvent
```
Fires before the piston has updated block states. Cancellation prevents movement.

- Nested Class Summary
  - Nested classes/interfaces inherited from class net.minecraftforge.event.world.PistonEvent
    PistonEvent.PistonMoveType, PistonEvent.Post, PistonEvent.Pre
  - Nested classes/interfaces inherited from class net.minecraftforge.event.world.BlockEvent
    BlockEvent.BlockToolInteractEvent, BlockEvent.BreakEvent, BlockEvent.CreateFluidSourceEvent, BlockEvent.CropGrowEvent, BlockEvent.EntityMultiPlaceEvent, BlockEvent.EntityPlaceEvent, BlockEvent.FarmlandTrampleEvent, BlockEvent.FluidPlaceBlockEvent, BlockEvent.NeighborNotifyEvent, BlockEvent.PortalSpawnEvent
  - Nested classes/interfaces inherited from class net.minecraftforge.eventbus.api.Event
    net.minecraftforge.eventbus.api.Event.HasResult, net.minecraftforge.eventbus.api.Event.Result
- Constructor Summary
  
  Constructors
  Constructor Description
  
  Pre(World world, BlockPos pos, Direction direction, PistonEvent.PistonMoveType moveType)
- Method Summary
  - Methods inherited from class net.minecraftforge.event.world.PistonEvent
    getDirection, getFaceOffsetPos, getPistonMoveType, getStructureHelper
  - Methods inherited from class net.minecraftforge.event.world.BlockEvent
    getPos, getState, getWorld
  - Methods inherited from class net.minecraftforge.eventbus.api.Event
    getListenerList, getParentListenerList, getPhase, getResult, hasResult, isCancelable, isCanceled, setCanceled, setPhase, setResult, setup
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Pre

public Pre(World world,
           BlockPos pos,
           Direction direction,
           PistonEvent.PistonMoveType moveType)

Class PistonEvent.Pre

Nested Class Summary

Nested classes/interfaces inherited from class net.minecraftforge.event.world.PistonEvent

Nested classes/interfaces inherited from class net.minecraftforge.event.world.BlockEvent

Nested classes/interfaces inherited from class net.minecraftforge.eventbus.api.Event

Constructor Summary

Method Summary

Methods inherited from class net.minecraftforge.event.world.PistonEvent

Methods inherited from class net.minecraftforge.event.world.BlockEvent

Methods inherited from class net.minecraftforge.eventbus.api.Event

Methods inherited from class java.lang.Object

Constructor Detail

Pre