Package net.minecraft.block.entity

Class ViewerCountManager

java.lang.Object

net.minecraft.block.entity.ViewerCountManager

public abstract class ViewerCountManager
extends Object

Handles the viewer count for container block entities, like chests, ender chests, and barrels.

Mappings:

Namespace	Name
official	cmj
intermediary	net/minecraft/class_5561
named	net/minecraft/block/entity/ViewerCountManager

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	SCHEDULE_TICK_DELAY
private int	viewerCount

Constructor Summary

Constructors

Constructor	Description
ViewerCountManager()

Method Summary

Modifier and Type	Method	Description
void	closeContainer(PlayerEntity player, World world, BlockPos pos, BlockState state)
private int	getInRangeViewerCount(World world, BlockPos pos)
int	getViewerCount()
protected abstract boolean	isPlayerViewing(PlayerEntity player)	Determines whether the given player is currently viewing this container.
protected abstract void	onContainerClose(World world, BlockPos pos, BlockState state)	Run when this container closes (when the viewer count reaches zero).
protected abstract void	onContainerOpen(World world, BlockPos pos, BlockState state)	Run when this container is opened (when the viewer count becomes nonzero).
protected abstract void	onViewerCountUpdate(World world, BlockPos pos, BlockState state, int oldViewerCount, int newViewerCount)	Called when the viewer count updates, such as when a player interact with this container or when distance-based checks are run.
void	openContainer(PlayerEntity player, World world, BlockPos pos, BlockState state)
private static void	scheduleBlockTick(World world, BlockPos pos, BlockState state)
void	updateViewerCount(World world, BlockPos pos, BlockState state)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SCHEDULE_TICK_DELAY

private static final int SCHEDULE_TICK_DELAY

See Also:

• Constant Field Values

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmj;a:I
intermediary	field_31339	Lnet/minecraft/class_5561;field_31339:I
named	SCHEDULE_TICK_DELAY	Lnet/minecraft/block/entity/ViewerCountManager;SCHEDULE_TICK_DELAY:I

viewerCount

private int viewerCount

Mappings:

Namespace	Name	Mixin selector
official	b	Lcmj;b:I
intermediary	field_27215	Lnet/minecraft/class_5561;field_27215:I
named	viewerCount	Lnet/minecraft/block/entity/ViewerCountManager;viewerCount:I

Constructor Details

ViewerCountManager

public ViewerCountManager()

Method Details

onContainerOpen

protected abstract void onContainerOpen(World world,
 BlockPos pos,
 BlockState state)

Run when this container is opened (when the viewer count becomes nonzero).

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmj;a(Lcad;Lgh;Lcoc;)V
intermediary	method_31681	Lnet/minecraft/class_5561;method_31681(Lnet/minecraft/class_1937;Lnet/minecraft/class_2338;Lnet/minecraft/class_2680;)V
named	onContainerOpen	Lnet/minecraft/block/entity/ViewerCountManager;onContainerOpen(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;)V

onContainerClose

protected abstract void onContainerClose(World world,
 BlockPos pos,
 BlockState state)

Run when this container closes (when the viewer count reaches zero).

Mappings:

Namespace	Name	Mixin selector
official	b	Lcmj;b(Lcad;Lgh;Lcoc;)V
intermediary	method_31683	Lnet/minecraft/class_5561;method_31683(Lnet/minecraft/class_1937;Lnet/minecraft/class_2338;Lnet/minecraft/class_2680;)V
named	onContainerClose	Lnet/minecraft/block/entity/ViewerCountManager;onContainerClose(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;)V

onViewerCountUpdate

protected abstract void onViewerCountUpdate(World world,
 BlockPos pos,
 BlockState state,
 int oldViewerCount,
 int newViewerCount)

Called when the viewer count updates, such as when a player interact with this container or when distance-based checks are run.

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmj;a(Lcad;Lgh;Lcoc;II)V
intermediary	method_31682	Lnet/minecraft/class_5561;method_31682(Lnet/minecraft/class_1937;Lnet/minecraft/class_2338;Lnet/minecraft/class_2680;II)V
named	onViewerCountUpdate	Lnet/minecraft/block/entity/ViewerCountManager;onViewerCountUpdate(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;II)V

isPlayerViewing

protected abstract boolean isPlayerViewing(PlayerEntity player)

Determines whether the given player is currently viewing this container.

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmj;a(Lbnr;)Z
intermediary	method_31679	Lnet/minecraft/class_5561;method_31679(Lnet/minecraft/class_1657;)Z
named	isPlayerViewing	Lnet/minecraft/block/entity/ViewerCountManager;isPlayerViewing(Lnet/minecraft/entity/player/PlayerEntity;)Z

openContainer

public void openContainer(PlayerEntity player,
 World world,
 BlockPos pos,
 BlockState state)

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmj;a(Lbnr;Lcad;Lgh;Lcoc;)V
intermediary	method_31684	Lnet/minecraft/class_5561;method_31684(Lnet/minecraft/class_1657;Lnet/minecraft/class_1937;Lnet/minecraft/class_2338;Lnet/minecraft/class_2680;)V
named	openContainer	Lnet/minecraft/block/entity/ViewerCountManager;openContainer(Lnet/minecraft/entity/player/PlayerEntity;Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;)V

closeContainer

public void closeContainer(PlayerEntity player,
 World world,
 BlockPos pos,
 BlockState state)

Mappings:

Namespace	Name	Mixin selector
official	b	Lcmj;b(Lbnr;Lcad;Lgh;Lcoc;)V
intermediary	method_31685	Lnet/minecraft/class_5561;method_31685(Lnet/minecraft/class_1657;Lnet/minecraft/class_1937;Lnet/minecraft/class_2338;Lnet/minecraft/class_2680;)V
named	closeContainer	Lnet/minecraft/block/entity/ViewerCountManager;closeContainer(Lnet/minecraft/entity/player/PlayerEntity;Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;)V

getInRangeViewerCount

private int getInRangeViewerCount(World world,
 BlockPos pos)

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmj;a(Lcad;Lgh;)I
intermediary	method_31680	Lnet/minecraft/class_5561;method_31680(Lnet/minecraft/class_1937;Lnet/minecraft/class_2338;)I
named	getInRangeViewerCount	Lnet/minecraft/block/entity/ViewerCountManager;getInRangeViewerCount(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;)I

updateViewerCount

public void updateViewerCount(World world,
 BlockPos pos,
 BlockState state)

Mappings:

Namespace	Name	Mixin selector
official	c	Lcmj;c(Lcad;Lgh;Lcoc;)V
intermediary	method_31686	Lnet/minecraft/class_5561;method_31686(Lnet/minecraft/class_1937;Lnet/minecraft/class_2338;Lnet/minecraft/class_2680;)V
named	updateViewerCount	Lnet/minecraft/block/entity/ViewerCountManager;updateViewerCount(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;)V

getViewerCount

public int getViewerCount()

Mappings:

Namespace	Name	Mixin selector
official	a	Lcmj;a()I
intermediary	method_31678	Lnet/minecraft/class_5561;method_31678()I
named	getViewerCount	Lnet/minecraft/block/entity/ViewerCountManager;getViewerCount()I

scheduleBlockTick

private static void scheduleBlockTick(World world,
 BlockPos pos,
 BlockState state)

Mappings:

Namespace	Name	Mixin selector
official	d	Lcmj;d(Lcad;Lgh;Lcoc;)V
intermediary	method_31687	Lnet/minecraft/class_5561;method_31687(Lnet/minecraft/class_1937;Lnet/minecraft/class_2338;Lnet/minecraft/class_2680;)V
named	scheduleBlockTick	Lnet/minecraft/block/entity/ViewerCountManager;scheduleBlockTick(Lnet/minecraft/world/World;Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/block/BlockState;)V