Paper/Spigot-API-Patches/0036-LootTable-API.patch
Aikar 17b58d00d8
Unwrap Event Exceptions
This was a useless exception wrapper that ends up making
stack traces harder to read as well as the JVM cutting off
the important parts

Nothing catches this exception, so its safe to just get rid
of it and let the REAL exception bubble down
2019-02-23 12:17:41 -05:00

395 lines
14 KiB
Diff

From 8c74a2e04e4a744068d564312cd647bc53898a59 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 1 May 2016 15:19:49 -0400
Subject: [PATCH] LootTable API
Provides API to control what Loot Table an object uses.
Also provides an Event to control if a lootable inventory should
auto replenish for a player.
Provides methods to determine players looted state for an object
diff --git a/src/main/java/com/destroystokyo/paper/loottable/LootableBlockInventory.java b/src/main/java/com/destroystokyo/paper/loottable/LootableBlockInventory.java
new file mode 100644
index 00000000..9095df61
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/loottable/LootableBlockInventory.java
@@ -0,0 +1,15 @@
+package com.destroystokyo.paper.loottable;
+
+import org.bukkit.block.Block;
+
+/**
+ * Represents an Inventory that can generate loot, such as Chests inside of Fortresses and Mineshafts
+ */
+public interface LootableBlockInventory extends LootableInventory {
+
+ /**
+ * Gets the block that is lootable
+ * @return The Block
+ */
+ Block getBlock();
+}
diff --git a/src/main/java/com/destroystokyo/paper/loottable/LootableEntityInventory.java b/src/main/java/com/destroystokyo/paper/loottable/LootableEntityInventory.java
new file mode 100644
index 00000000..a389f74c
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/loottable/LootableEntityInventory.java
@@ -0,0 +1,15 @@
+package com.destroystokyo.paper.loottable;
+
+import org.bukkit.entity.Entity;
+
+/**
+ * Represents an Inventory that can generate loot, such as Minecarts inside of Mineshafts
+ */
+public interface LootableEntityInventory extends LootableInventory {
+
+ /**
+ * Gets the entity that is lootable
+ * @return The Entity
+ */
+ Entity getEntity();
+}
diff --git a/src/main/java/com/destroystokyo/paper/loottable/LootableInventory.java b/src/main/java/com/destroystokyo/paper/loottable/LootableInventory.java
new file mode 100644
index 00000000..2fc3e8a1
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/loottable/LootableInventory.java
@@ -0,0 +1,112 @@
+package com.destroystokyo.paper.loottable;
+
+import org.bukkit.entity.Player;
+import org.bukkit.loot.Lootable;
+
+import java.util.UUID;
+
+/**
+ * Represents an Inventory that contains a Loot Table associated to it that will
+ * automatically fill on first open.
+ *
+ * A new feature and API is provided to support automatically refreshing the contents
+ * of the inventory based on that Loot Table after a configurable amount of time has passed.
+ *
+ * The behavior of how the Inventory is filled based on the loot table may vary based
+ * on Minecraft versions and the Loot Table feature.
+ */
+public interface LootableInventory extends Lootable {
+
+ /**
+ * Server owners have to enable whether or not an object in a world should refill
+ *
+ * @return If the world this inventory is currently in has Replenishable Lootables enabled
+ */
+ boolean isRefillEnabled();
+
+ /**
+ * Whether or not this object has ever been filled
+ * @return Has ever been filled
+ */
+ boolean hasBeenFilled();
+
+ /**
+ * Has this player ever looted this block
+ * @param player The player to check
+ * @return Whether or not this player has looted this block
+ */
+ default boolean hasPlayerLooted(Player player) {
+ return hasPlayerLooted(player.getUniqueId());
+ }
+
+ /**
+ * Has this player ever looted this block
+ * @param player The player to check
+ * @return Whether or not this player has looted this block
+ */
+ boolean hasPlayerLooted(UUID player);
+
+ /**
+ * Gets the timestamp, in milliseconds, of when the player last looted this object
+ *
+ * @param player The player to check
+ * @return Timestamp last looted, or null if player has not looted this object
+ */
+ default Long getLastLooted(Player player) {
+ return getLastLooted(player.getUniqueId());
+ }
+
+ /**
+ * Gets the timestamp, in milliseconds, of when the player last looted this object
+ *
+ * @param player The player to check
+ * @return Timestamp last looted, or null if player has not looted this object
+ */
+ Long getLastLooted(UUID player);
+
+ /**
+ * Change the state of whether or not a player has looted this block
+ * @param player The player to change state for
+ * @param looted true to add player to looted list, false to remove
+ * @return The previous state of whether the player had looted this or not
+ */
+ default boolean setHasPlayerLooted(Player player, boolean looted) {
+ return setHasPlayerLooted(player.getUniqueId(), looted);
+ }
+
+ /**
+ * Change the state of whether or not a player has looted this block
+ * @param player The player to change state for
+ * @param looted true to add player to looted list, false to remove
+ * @return The previous state of whether the player had looted this or not
+ */
+ boolean setHasPlayerLooted(UUID player, boolean looted);
+
+ /**
+ * Returns Whether or not this object has been filled and now has a pending refill
+ * @return Has pending refill
+ */
+ boolean hasPendingRefill();
+
+ /**
+ * Gets the timestamp in milliseconds that the Lootable object was last refilled
+ *
+ * @return -1 if it was never refilled, or timestamp in milliseconds
+ */
+ long getLastFilled();
+
+ /**
+ * Gets the timestamp in milliseconds that the Lootable object will refill
+ *
+ * @return -1 if it is not scheduled for refill, or timestamp in milliseconds
+ */
+ long getNextRefill();
+
+ /**
+ * Sets the timestamp in milliseconds of the next refill for this object
+ *
+ * @param refillAt timestamp in milliseconds. -1 to clear next refill
+ * @return The previous scheduled time to refill, or -1 if was not scheduled
+ */
+ long setNextRefill(long refillAt);
+}
diff --git a/src/main/java/com/destroystokyo/paper/loottable/LootableInventoryReplenishEvent.java b/src/main/java/com/destroystokyo/paper/loottable/LootableInventoryReplenishEvent.java
new file mode 100644
index 00000000..2169493d
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/loottable/LootableInventoryReplenishEvent.java
@@ -0,0 +1,41 @@
+package com.destroystokyo.paper.loottable;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
+
+public class LootableInventoryReplenishEvent extends PlayerEvent implements Cancellable {
+ private final LootableInventory inventory;
+
+ public LootableInventoryReplenishEvent(Player player, LootableInventory inventory) {
+ super(player);
+ this.inventory = inventory;
+ }
+
+ public LootableInventory getInventory() {
+ return inventory;
+ }
+
+ private static final HandlerList handlers = new HandlerList();
+
+ public HandlerList getHandlers() {
+ return handlers;
+ }
+
+ public static HandlerList getHandlerList() {
+ return handlers;
+ }
+
+ private boolean cancelled = false;
+
+ @Override
+ public boolean isCancelled() {
+ return cancelled;
+ }
+
+ @Override
+ public void setCancelled(boolean cancel) {
+ cancelled = cancel;
+ }
+}
diff --git a/src/main/java/org/bukkit/block/Chest.java b/src/main/java/org/bukkit/block/Chest.java
index 815d79a5..b68ab881 100644
--- a/src/main/java/org/bukkit/block/Chest.java
+++ b/src/main/java/org/bukkit/block/Chest.java
@@ -1,5 +1,6 @@
package org.bukkit.block;
+import com.destroystokyo.paper.loottable.LootableBlockInventory;
import org.bukkit.Nameable;
import org.bukkit.inventory.Inventory;
import org.bukkit.loot.Lootable;
@@ -7,7 +8,7 @@ import org.bukkit.loot.Lootable;
/**
* Represents a captured state of a chest.
*/
-public interface Chest extends Container, Nameable, Lootable {
+public interface Chest extends Container, Nameable, LootableBlockInventory { // Paper
/**
* Gets the inventory of the chest block represented by this block state.
diff --git a/src/main/java/org/bukkit/block/Dispenser.java b/src/main/java/org/bukkit/block/Dispenser.java
index 2741625d..6d180117 100644
--- a/src/main/java/org/bukkit/block/Dispenser.java
+++ b/src/main/java/org/bukkit/block/Dispenser.java
@@ -1,5 +1,6 @@
package org.bukkit.block;
+import com.destroystokyo.paper.loottable.LootableBlockInventory;
import org.bukkit.Nameable;
import org.bukkit.loot.Lootable;
import org.bukkit.projectiles.BlockProjectileSource;
@@ -7,7 +8,7 @@ import org.bukkit.projectiles.BlockProjectileSource;
/**
* Represents a captured state of a dispenser.
*/
-public interface Dispenser extends Container, Nameable, Lootable {
+public interface Dispenser extends Container, Nameable, LootableBlockInventory { // Paper
/**
* Gets the BlockProjectileSource object for the dispenser.
diff --git a/src/main/java/org/bukkit/block/Dropper.java b/src/main/java/org/bukkit/block/Dropper.java
index 2e8c3f71..47737b59 100644
--- a/src/main/java/org/bukkit/block/Dropper.java
+++ b/src/main/java/org/bukkit/block/Dropper.java
@@ -1,12 +1,13 @@
package org.bukkit.block;
+import com.destroystokyo.paper.loottable.LootableBlockInventory;
import org.bukkit.Nameable;
import org.bukkit.loot.Lootable;
/**
* Represents a captured state of a dropper.
*/
-public interface Dropper extends Container, Nameable, Lootable {
+public interface Dropper extends Container, Nameable, LootableBlockInventory { // Paper
/**
* Tries to drop a randomly selected item from the dropper's inventory,
diff --git a/src/main/java/org/bukkit/block/Hopper.java b/src/main/java/org/bukkit/block/Hopper.java
index 73fce5f3..221123e8 100644
--- a/src/main/java/org/bukkit/block/Hopper.java
+++ b/src/main/java/org/bukkit/block/Hopper.java
@@ -1,9 +1,10 @@
package org.bukkit.block;
+import com.destroystokyo.paper.loottable.LootableBlockInventory;
import org.bukkit.Nameable;
import org.bukkit.loot.Lootable;
/**
* Represents a captured state of a hopper.
*/
-public interface Hopper extends Container, Nameable, Lootable { }
+public interface Hopper extends Container, Nameable, LootableBlockInventory { } // Paper
diff --git a/src/main/java/org/bukkit/block/ShulkerBox.java b/src/main/java/org/bukkit/block/ShulkerBox.java
index 8e061e4a..1c02c6e1 100644
--- a/src/main/java/org/bukkit/block/ShulkerBox.java
+++ b/src/main/java/org/bukkit/block/ShulkerBox.java
@@ -1,5 +1,6 @@
package org.bukkit.block;
+import com.destroystokyo.paper.loottable.LootableBlockInventory;
import org.bukkit.DyeColor;
import org.bukkit.Nameable;
import org.bukkit.loot.Lootable;
@@ -7,7 +8,7 @@ import org.bukkit.loot.Lootable;
/**
* Represents a captured state of a ShulkerBox.
*/
-public interface ShulkerBox extends Container, Nameable, Lootable {
+public interface ShulkerBox extends Container, Nameable, LootableBlockInventory { // Paper
/**
* Get the {@link DyeColor} corresponding to this ShulkerBox
diff --git a/src/main/java/org/bukkit/entity/minecart/HopperMinecart.java b/src/main/java/org/bukkit/entity/minecart/HopperMinecart.java
index 8ced5403..86588550 100644
--- a/src/main/java/org/bukkit/entity/minecart/HopperMinecart.java
+++ b/src/main/java/org/bukkit/entity/minecart/HopperMinecart.java
@@ -1,5 +1,6 @@
package org.bukkit.entity.minecart;
+import com.destroystokyo.paper.loottable.LootableEntityInventory;
import org.bukkit.entity.Minecart;
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.loot.Lootable;
@@ -7,7 +8,7 @@ import org.bukkit.loot.Lootable;
/**
* Represents a Minecart with a Hopper inside it
*/
-public interface HopperMinecart extends Minecart, InventoryHolder, Lootable {
+public interface HopperMinecart extends Minecart, InventoryHolder, LootableEntityInventory {
/**
* Checks whether or not this Minecart will pick up
diff --git a/src/main/java/org/bukkit/entity/minecart/StorageMinecart.java b/src/main/java/org/bukkit/entity/minecart/StorageMinecart.java
index 9ea403e6..238d118f 100644
--- a/src/main/java/org/bukkit/entity/minecart/StorageMinecart.java
+++ b/src/main/java/org/bukkit/entity/minecart/StorageMinecart.java
@@ -1,5 +1,6 @@
package org.bukkit.entity.minecart;
+import com.destroystokyo.paper.loottable.LootableEntityInventory;
import org.bukkit.entity.Minecart;
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.loot.Lootable;
@@ -9,5 +10,5 @@ import org.bukkit.loot.Lootable;
* minecarts} have their own inventory that can be accessed using methods
* from the {@link InventoryHolder} interface.
*/
-public interface StorageMinecart extends Minecart, InventoryHolder, Lootable {
+public interface StorageMinecart extends Minecart, InventoryHolder, LootableEntityInventory { // Paper
}
diff --git a/src/main/java/org/bukkit/loot/Lootable.java b/src/main/java/org/bukkit/loot/Lootable.java
index f4b3d021..9f1c830f 100644
--- a/src/main/java/org/bukkit/loot/Lootable.java
+++ b/src/main/java/org/bukkit/loot/Lootable.java
@@ -33,6 +33,34 @@ public interface Lootable {
*/
LootTable getLootTable();
+ // Paper start
+ /**
+ * Set the loot table and seed for a container or entity at the same time.
+ *
+ * @param table the Loot Table this {@link org.bukkit.block.Container} or {@link org.bukkit.entity.Mob} will have.
+ * @param seed the seed to used to generate loot. Default is 0.
+ */
+ default void setLootTable(LootTable table, long seed) {
+ setLootTable(table);
+ setSeed(seed);
+ }
+
+ /**
+ * Returns whether or not this object has a Loot Table
+ * @return Has a loot table
+ */
+ default boolean hasLootTable() {
+ return getLootTable() != null;
+ }
+
+ /**
+ * Clears the associated Loot Table to this object
+ */
+ default void clearLootTable() {
+ setLootTable(null);
+ }
+ // Paper end
+
/**
* Set the seed used when this Loot Table generates loot.
*
--
2.20.1