Package net.minestom.server.inventory

Class Inventory

java.lang.Object

net.minestom.server.inventory.AbstractInventory

net.minestom.server.inventory.Inventory

All Implemented Interfaces:

InventoryClickHandler, Taggable, TagReadable, TagWritable, Viewable

Direct Known Subclasses:

AnvilInventory, BeaconInventory, BrewingStandInventory, EnchantmentTableInventory, FurnaceInventory, VillagerInventory

public non-sealed class Inventory
extends AbstractInventory
implements Viewable

Represents an inventory which can be viewed by a collection of Player.

You can create one with Inventory(InventoryType, String) or by making your own subclass. It can then be opened using Player.openInventory(Inventory).

Field Summary

Fields inherited from class net.minestom.server.inventory.AbstractInventory

clickProcessor, inventoryConditions, itemStacks

Constructor Summary

Constructors

Constructor	Description
Inventory(@NotNull InventoryType inventoryType, @NotNull String title)
Inventory(@NotNull InventoryType inventoryType, @NotNull Component title)

Method Summary

Modifier and Type	Method	Description
boolean	addViewer(@NotNull Player player)	This will not open the inventory for player, use Player.openInventory(Inventory).
boolean	changeHeld(@NotNull Player player, int slot, int key)	Called when a Player held click in the inventory
void	clear()	Clears the inventory and send relevant update to the viewer(s).
boolean	doubleClick(@NotNull Player player, int slot)	Called when a Player double click in the inventory
boolean	dragging(@NotNull Player player, int slot, int button)
boolean	drop(@NotNull Player player, boolean all, int slot, int button)	Called when a Player press the drop button
@NotNull ItemStack	getCursorItem(@NotNull Player player)	Gets the cursor item of a viewer.
@NotNull InventoryType	getInventoryType()	Gets the inventory type.
@NotNull Component	getTitle()	Gets the inventory title.
@NotNull Set<Player>	getViewers()	Gets all the viewers of this viewable element.
byte	getWindowId()	Gets this window id.
boolean	leftClick(@NotNull Player player, int slot)	Called when a Player left click in the inventory.
boolean	middleClick(@NotNull Player player, int slot)
boolean	removeViewer(@NotNull Player player)	This will not close the inventory for player, use Player.closeInventory().
boolean	rightClick(@NotNull Player player, int slot)	Called when a Player right click in the inventory.
protected void	sendProperty(@NotNull InventoryProperty property, short value)	Sends a window property to all viewers.
void	setCursorItem(@NotNull Player player, @NotNull ItemStack cursorItem)	Changes the cursor item of a viewer, does nothing if player is not a viewer.
void	setTitle(@NotNull Component title)	Changes the inventory title.
boolean	shiftClick(@NotNull Player player, int slot)	Called when a Player shift click in the inventory
protected void	UNSAFE_itemInsert(int slot, @NotNull ItemStack itemStack, boolean sendPacket)
void	update()	Refreshes the inventory for all viewers.
void	update(@NotNull Player player)	Refreshes the inventory for a specific viewer.

Methods inherited from class net.minestom.server.inventory.AbstractInventory

addInventoryCondition, addItemStack, addItemStack, addItemStacks, copyContents, getInnerSize, getInventoryConditions, getItemStack, getItemStacks, getSize, processItemStack, processItemStacks, replaceItemStack, safeItemInsert, safeItemInsert, setItemStack, tagHandler, takeItemStack, takeItemStacks

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.minestom.server.inventory.InventoryClickHandler

callClickEvent

Methods inherited from interface net.minestom.server.tag.Taggable

getTag, hasTag, removeTag, setTag

Methods inherited from interface net.minestom.server.Viewable

getViewersAsAudience, getViewersAsAudiences, isViewer, sendPacketsToViewers, sendPacketsToViewers, sendPacketToViewers, sendPacketToViewersAndSelf

Constructor Details

Inventory

public Inventory(@NotNull
 @NotNull InventoryType inventoryType,
 @NotNull
 @NotNull Component title)

Inventory

public Inventory(@NotNull
 @NotNull InventoryType inventoryType,
 @NotNull
 @NotNull String title)

Method Details

getInventoryType

@NotNull
public @NotNull InventoryType getInventoryType()

Gets the inventory type.

Returns:

the inventory type

getTitle

@NotNull
public @NotNull Component getTitle()

Gets the inventory title.

Returns:

the inventory title

setTitle

public void setTitle(@NotNull
 @NotNull Component title)

Changes the inventory title.

Parameters:

title - the new inventory title

getWindowId

public byte getWindowId()

Gets this window id.

This is the id that the client will send to identify the affected inventory, mostly used by packets.

Returns:

the window id

clear

public void clear()

Description copied from class: AbstractInventory

Clears the inventory and send relevant update to the viewer(s).

Overrides:

clear in class AbstractInventory

update

public void update()

Refreshes the inventory for all viewers.

Specified by:

update in class AbstractInventory

update

public void update(@NotNull
 @NotNull Player player)

Refreshes the inventory for a specific viewer.

The player needs to be a viewer, otherwise nothing is sent.

Parameters:

player - the player to update the inventory

getViewers

@NotNull
public @NotNull Set<Player> getViewers()

Description copied from interface: Viewable

Gets all the viewers of this viewable element.

Specified by:

getViewers in interface Viewable

Returns:

A Set containing all the element's viewers

addViewer

public boolean addViewer(@NotNull
 @NotNull Player player)

This will not open the inventory for player, use Player.openInventory(Inventory).

Specified by:

addViewer in interface Viewable

Parameters:

player - the viewer to add

Returns:

true if the player has successfully been added

removeViewer

public boolean removeViewer(@NotNull
 @NotNull Player player)

This will not close the inventory for player, use Player.closeInventory().

Specified by:

removeViewer in interface Viewable

Parameters:

player - the viewer to remove

Returns:

true if the player has successfully been removed

getCursorItem

@NotNull
public @NotNull ItemStack getCursorItem(@NotNull
 @NotNull Player player)

Gets the cursor item of a viewer.

Parameters:

player - the player to get the cursor item from

Returns:

the player cursor item, air item if the player is not a viewer

setCursorItem

public void setCursorItem(@NotNull
 @NotNull Player player,
 @NotNull
 @NotNull ItemStack cursorItem)

Changes the cursor item of a viewer, does nothing if player is not a viewer.

Parameters:

player - the player to change the cursor item

cursorItem - the new player cursor item

UNSAFE_itemInsert

protected void UNSAFE_itemInsert(int slot,
 @NotNull
 @NotNull ItemStack itemStack,
 boolean sendPacket)

Specified by:

UNSAFE_itemInsert in class AbstractInventory

sendProperty

protected void sendProperty(@NotNull
 @NotNull InventoryProperty property,
 short value)

Sends a window property to all viewers.

Parameters:

property - the property to send

value - the value of the property

See Also:

• https://wiki.vg/Protocol#Window_Property

leftClick

public boolean leftClick(@NotNull
 @NotNull Player player,
 int slot)

Description copied from interface: InventoryClickHandler

Called when a Player left click in the inventory. Can also be to drop the cursor item

Specified by:

leftClick in interface InventoryClickHandler

Parameters:

player - the player who clicked

slot - the slot number

Returns:

true if the click hasn't been cancelled, false otherwise

rightClick

public boolean rightClick(@NotNull
 @NotNull Player player,
 int slot)

Description copied from interface: InventoryClickHandler

Called when a Player right click in the inventory. Can also be to drop the cursor item

Specified by:

rightClick in interface InventoryClickHandler

Parameters:

player - the player who clicked

slot - the slot number

Returns:

true if the click hasn't been cancelled, false otherwise

shiftClick

public boolean shiftClick(@NotNull
 @NotNull Player player,
 int slot)

Description copied from interface: InventoryClickHandler

Called when a Player shift click in the inventory

Specified by:

shiftClick in interface InventoryClickHandler

Parameters:

player - the player who clicked

slot - the slot number

Returns:

true if the click hasn't been cancelled, false otherwise

changeHeld

public boolean changeHeld(@NotNull
 @NotNull Player player,
 int slot,
 int key)

Description copied from interface: InventoryClickHandler

Called when a Player held click in the inventory

Specified by:

changeHeld in interface InventoryClickHandler

Parameters:

player - the player who clicked

slot - the slot number

key - the held slot (0-8) pressed

Returns:

true if the click hasn't been cancelled, false otherwise

middleClick

public boolean middleClick(@NotNull
 @NotNull Player player,
 int slot)

Specified by:

middleClick in interface InventoryClickHandler

drop

public boolean drop(@NotNull
 @NotNull Player player,
 boolean all,
 int slot,
 int button)

Description copied from interface: InventoryClickHandler

Called when a Player press the drop button

Specified by:

drop in interface InventoryClickHandler

Parameters:

player - the player who clicked

all -

slot - the slot number

button - -999 if clicking outside, normal if he is not

Returns:

true if the drop hasn't been cancelled, false otherwise

dragging

public boolean dragging(@NotNull
 @NotNull Player player,
 int slot,
 int button)

Specified by:

dragging in interface InventoryClickHandler

doubleClick

public boolean doubleClick(@NotNull
 @NotNull Player player,
 int slot)

Description copied from interface: InventoryClickHandler

Called when a Player double click in the inventory

Specified by:

doubleClick in interface InventoryClickHandler

Parameters:

player - the player who clicked

slot - the slot number

Returns:

true if the click hasn't been cancelled, false otherwise