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#1023: Convert InventoryView to interface

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By: Miles Holder <mwholder2005@gmail.com>
This commit is contained in:
Bukkit/Spigot 2024-06-16 08:47:34 +10:00
parent d7e28ba2f2
commit dbc554a91b
1 changed files with 18 additions and 194 deletions
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212
paper-api/src/main/java/org/bukkit/inventory/InventoryView.java
View file

@ -1,6 +1,5 @@
package org.bukkit.inventory;
import com.google.common.base.Preconditions;
import org.bukkit.entity.HumanEntity;
import org.bukkit.event.inventory.InventoryType;
import org.jetbrains.annotations.NotNull;
@ -14,7 +13,7 @@ import org.jetbrains.annotations.Nullable;
* contracts of certain methods, there's no guarantee that the game will work
* as it should.
*/
public abstract class InventoryView {
public interface InventoryView {
public static final int OUTSIDE = -999;
/**
* Represents various extra properties of certain inventory windows.
@ -139,7 +138,7 @@ public abstract class InventoryView {
* @return the inventory
*/
@NotNull
public abstract Inventory getTopInventory();
public Inventory getTopInventory();
/**
* Get the lower inventory involved in this transaction.
@ -147,7 +146,7 @@ public abstract class InventoryView {
* @return the inventory
*/
@NotNull
public abstract Inventory getBottomInventory();
public Inventory getBottomInventory();
/**
* Get the player viewing.
@ -155,7 +154,7 @@ public abstract class InventoryView {
* @return the player
*/
@NotNull
public abstract HumanEntity getPlayer();
public HumanEntity getPlayer();
/**
* Determine the type of inventory involved in the transaction. This
@ -165,7 +164,7 @@ public abstract class InventoryView {
* @return the inventory type
*/
@NotNull
public abstract InventoryType getType();
public InventoryType getType();
/**
* Sets one item in this inventory view by its raw slot ID.
@ -176,14 +175,7 @@ public abstract class InventoryView {
* @param slot The ID as returned by InventoryClickEvent.getRawSlot()
* @param item The new item to put in the slot, or null to clear it.
*/
public void setItem(int slot, @Nullable ItemStack item) {
Inventory inventory = getInventory(slot);
if (inventory != null) {
inventory.setItem(convertSlot(slot), item);
} else if (item != null) {
getPlayer().getWorld().dropItemNaturally(getPlayer().getLocation(), item);
}
}
public void setItem(int slot, @Nullable ItemStack item);
/**
* Gets one item in this inventory view by its raw slot ID.
@ -192,10 +184,7 @@ public abstract class InventoryView {
* @return The item currently in the slot.
*/
@Nullable
public ItemStack getItem(int slot) {
Inventory inventory = getInventory(slot);
return (inventory == null) ? null : inventory.getItem(convertSlot(slot));
}
public ItemStack getItem(int slot);
/**
* Sets the item on the cursor of one of the viewing players.
@ -203,9 +192,7 @@ public abstract class InventoryView {
* @param item The item to put on the cursor, or null to remove the item
* on their cursor.
*/
public final void setCursor(@Nullable ItemStack item) {
getPlayer().setItemOnCursor(item);
}
public void setCursor(@Nullable ItemStack item);
/**
* Get the item on the cursor of one of the viewing players.
@ -214,9 +201,7 @@ public abstract class InventoryView {
* one.
*/
@Nullable
public final ItemStack getCursor() {
return getPlayer().getItemOnCursor();
}
public ItemStack getCursor();
/**
* Gets the inventory corresponding to the given raw slot ID.
@ -231,21 +216,7 @@ public abstract class InventoryView {
* @return corresponding inventory, or null
*/
@Nullable
public final Inventory getInventory(int rawSlot) {
// Slot may be -1 if not properly detected due to client bug
// e.g. dropping an item into part of the enchantment list section of an enchanting table
if (rawSlot == OUTSIDE || rawSlot == -1) {
return null;
}
Preconditions.checkArgument(rawSlot >= 0, "Negative, non outside slot %s", rawSlot);
Preconditions.checkArgument(rawSlot < countSlots(), "Slot %s greater than inventory slot count", rawSlot);
if (rawSlot < getTopInventory().getSize()) {
return getTopInventory();
} else {
return getBottomInventory();
}
}
public Inventory getInventory(int rawSlot);
/**
* Converts a raw slot ID into its local slot ID into whichever of the two
@ -259,69 +230,7 @@ public abstract class InventoryView {
* @param rawSlot The raw slot ID.
* @return The converted slot ID.
*/
public final int convertSlot(int rawSlot) {
int numInTop = getTopInventory().getSize();
// Index from the top inventory as having slots from [0,size]
if (rawSlot < numInTop) {
return rawSlot;
}
// Move down the slot index by the top size
int slot = rawSlot - numInTop;
// Player crafting slots are indexed differently. The matrix is caught by the first return.
// Creative mode is the same, except that you can't see the crafting slots (but the IDs are still used)
if (getType() == InventoryType.CRAFTING || getType() == InventoryType.CREATIVE) {
/*
* Raw Slots:
*
* 5 1 2 0
* 6 3 4
* 7
* 8 45
* 9 10 11 12 13 14 15 16 17
* 18 19 20 21 22 23 24 25 26
* 27 28 29 30 31 32 33 34 35
* 36 37 38 39 40 41 42 43 44
*/
/*
* Converted Slots:
*
* 39 1 2 0
* 38 3 4
* 37
* 36 40
* 9 10 11 12 13 14 15 16 17
* 18 19 20 21 22 23 24 25 26
* 27 28 29 30 31 32 33 34 35
* 0 1 2 3 4 5 6 7 8
*/
if (slot < 4) {
// Send [5,8] to [39,36]
return 39 - slot;
} else if (slot > 39) {
// Slot lives in the extra slot section
return slot;
} else {
// Reset index so 9 -> 0
slot -= 4;
}
}
// 27 = 36 - 9
if (slot >= 27) {
// Put into hotbar section
slot -= 27;
} else {
// Take out of hotbar section
// 9 = 36 - 27
slot += 9;
}
return slot;
}
public int convertSlot(int rawSlot);
/**
* Determine the type of the slot by its raw slot ID.
@ -333,93 +242,12 @@ public abstract class InventoryView {
* @return the slot type
*/
@NotNull
public final InventoryType.SlotType getSlotType(int slot) {
InventoryType.SlotType type = InventoryType.SlotType.CONTAINER;
if (slot >= 0 && slot < this.getTopInventory().getSize()) {
switch (this.getType()) {
case BLAST_FURNACE:
case FURNACE:
case SMOKER:
if (slot == 2) {
type = InventoryType.SlotType.RESULT;
} else if (slot == 1) {
type = InventoryType.SlotType.FUEL;
} else {
type = InventoryType.SlotType.CRAFTING;
}
break;
case BREWING:
if (slot == 3) {
type = InventoryType.SlotType.FUEL;
} else {
type = InventoryType.SlotType.CRAFTING;
}
break;
case ENCHANTING:
type = InventoryType.SlotType.CRAFTING;
break;
case WORKBENCH:
case CRAFTING:
if (slot == 0) {
type = InventoryType.SlotType.RESULT;
} else {
type = InventoryType.SlotType.CRAFTING;
}
break;
case BEACON:
type = InventoryType.SlotType.CRAFTING;
break;
case ANVIL:
case SMITHING:
case CARTOGRAPHY:
case GRINDSTONE:
case MERCHANT:
if (slot == 2) {
type = InventoryType.SlotType.RESULT;
} else {
type = InventoryType.SlotType.CRAFTING;
}
break;
case STONECUTTER:
if (slot == 1) {
type = InventoryType.SlotType.RESULT;
} else {
type = InventoryType.SlotType.CRAFTING;
}
break;
case LOOM:
case SMITHING_NEW:
if (slot == 3) {
type = InventoryType.SlotType.RESULT;
} else {
type = InventoryType.SlotType.CRAFTING;
}
break;
default:
// Nothing to do, it's a CONTAINER slot
}
} else {
if (slot < 0) {
type = InventoryType.SlotType.OUTSIDE;
} else if (this.getType() == InventoryType.CRAFTING) { // Also includes creative inventory
if (slot < 9) {
type = InventoryType.SlotType.ARMOR;
} else if (slot > 35) {
type = InventoryType.SlotType.QUICKBAR;
}
} else if (slot >= (this.countSlots() - (9 + 4 + 1))) { // Quickbar, Armor, Offhand
type = InventoryType.SlotType.QUICKBAR;
}
}
return type;
}
public InventoryType.SlotType getSlotType(int slot);
/**
* Closes the inventory view.
*/
public final void close() {
getPlayer().closeInventory();
}
public void close();
/**
* Check the total number of slots in this view, combining the upper and
@ -430,9 +258,7 @@ public abstract class InventoryView {
*
* @return The total size
*/
public final int countSlots() {
return getTopInventory().getSize() + getBottomInventory().getSize();
}
public int countSlots();
/**
* Sets an extra property of this inventory if supported by that
@ -443,9 +269,7 @@ public abstract class InventoryView {
* @return true if the property was updated successfully, false if the
* property is not supported by that inventory
*/
public final boolean setProperty(@NotNull Property prop, int value) {
return getPlayer().setWindowProperty(prop, value);
}
public boolean setProperty(@NotNull Property prop, int value);
/**
* Get the title of this inventory window.
@ -453,7 +277,7 @@ public abstract class InventoryView {
* @return The title.
*/
@NotNull
public abstract String getTitle();
public String getTitle();
/**
* Get the original title of this inventory window, before any changes were
@ -462,7 +286,7 @@ public abstract class InventoryView {
* @return the original title
*/
@NotNull
public abstract String getOriginalTitle();
public String getOriginalTitle();
/**
* Sets the title of this inventory window to the specified title if the
@ -474,5 +298,5 @@ public abstract class InventoryView {
*
* @param title The new title.
*/
public abstract void setTitle(@NotNull String title);
public void setTitle(@NotNull String title);
}