Paper/Spigot-API-Patches/0039-LootTable-API.patch

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From 88e00e6b7efb8fb48e035fbfdfd75b7887c96c44 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/Lootable.java b/src/main/java/com/destroystokyo/paper/loottable/Lootable.java
new file mode 100644
index 0000000..d962a0c
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/loottable/Lootable.java
@@ -0,0 +1,78 @@
+package com.destroystokyo.paper.loottable;
+
+/**
+ * Defines an object that has a Loot Table and seed associated with it.
+ *
+ * How the Loot Table and seed are used may vary based on Minecraft Versions
+ * and what type of object is using the Loot Table
+ */
+public interface Lootable {
+
+ /**
+ * Gets the name of the Loot Table to be used in the World Folder
+ * @return The name, or null if no loot table exists
+ */
+ String getLootTableName();
+
+ /**
+ * Returns whether or not this object has a Loot Table
+ * @return Has a loot table
+ */
+ default boolean hasLootTable() {
+ return getLootTableName() != null;
+ }
+
+ /**
+ * Sets the name of the Loot Table to be used in the World Folder
+ * Will use a random seed (0)
+ *
+ * @param name name in either foo or minecraft:foo format
+ * @return The previous Loot Table before the change
+ */
+ default String setLootTable(String name) {
+ return setLootTable(name, 0);
+ }
+
+ /**
+ * Sets the name of the Loot Table to be used in the World Folder
+ * Uses supplied Seed
+ *
+ * @param name name in either foo or minecraft:foo format
+ * @param seed seed for the loot table. If 0, seed will be random
+ * @return The previous Loot Table before the change
+ */
+ String setLootTable(String name, long seed);
+
+ /**
+ * Gets the current seed associated to the Loot Table on this object
+ *
+ * @return The seed, or 0 for random
+ */
+ long getLootTableSeed();
+
+ /**
+ * Changes the current seed associated with the Loot Table on this object.
+ *
+ * The seed will have no affect if this object does not have a Loot Table
+ * associated with it.
+ *
+ * @throws IllegalStateException If called when this object does not have a loot table
+ * @param seed The seed to use, or 0 for random
+ * @return The previous seed
+ */
+ default long setLootTableSeed(long seed) {
+ final String lootTableName = getLootTableName();
+ if (lootTableName == null) {
+ throw new IllegalStateException("This object does not currently have a Loot Table.");
+ }
+
+ long prev = getLootTableSeed();
+ setLootTable(lootTableName, seed);
+ return prev;
+ }
+
+ /**
+ * Clears the associated Loot Table to this object
+ */
+ void clearLootTable();
+}
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 0000000..5e93e7e
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/loottable/LootableBlockInventory.java
@@ -0,0 +1,12 @@
+package com.destroystokyo.paper.loottable;
+
+import org.bukkit.block.Block;
+
+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 0000000..8bebf07
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/loottable/LootableEntityInventory.java
@@ -0,0 +1,12 @@
+package com.destroystokyo.paper.loottable;
+
+import org.bukkit.entity.Entity;
+
+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 0000000..cde999e
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/loottable/LootableInventory.java
@@ -0,0 +1,111 @@
+package com.destroystokyo.paper.loottable;
+
+import org.bukkit.entity.Player;
+
+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 0000000..2169493
--- /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 ee95841..25dfc5f 100644
--- a/src/main/java/org/bukkit/block/Chest.java
+++ b/src/main/java/org/bukkit/block/Chest.java
@@ -1,12 +1,13 @@
package org.bukkit.block;
+import com.destroystokyo.paper.loottable.LootableInventory; // Paper
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.InventoryHolder;
/**
* Represents a chest.
*/
-public interface Chest extends BlockState, InventoryHolder {
+public interface Chest extends BlockState, InventoryHolder, LootableInventory { // Paper
/**
* Returns the chest's inventory. If this is a double chest, it returns
diff --git a/src/main/java/org/bukkit/block/Dispenser.java b/src/main/java/org/bukkit/block/Dispenser.java
index 4e6b349..3aa0a81 100644
--- a/src/main/java/org/bukkit/block/Dispenser.java
+++ b/src/main/java/org/bukkit/block/Dispenser.java
@@ -1,12 +1,13 @@
package org.bukkit.block;
+import com.destroystokyo.paper.loottable.LootableInventory; // Paper
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.projectiles.BlockProjectileSource;
/**
* Represents a dispenser.
*/
-public interface Dispenser extends BlockState, InventoryHolder {
+public interface Dispenser extends BlockState, InventoryHolder, LootableInventory { // Paper
/**
* Gets the BlockProjectileSource object for this dispenser.
diff --git a/src/main/java/org/bukkit/block/Hopper.java b/src/main/java/org/bukkit/block/Hopper.java
index e097157..26aff5a 100644
--- a/src/main/java/org/bukkit/block/Hopper.java
+++ b/src/main/java/org/bukkit/block/Hopper.java
@@ -1,10 +1,11 @@
package org.bukkit.block;
+import com.destroystokyo.paper.loottable.LootableInventory; // Paper
import org.bukkit.inventory.InventoryHolder;
/**
* Represents a hopper.
*/
-public interface Hopper extends BlockState, InventoryHolder {
+public interface Hopper extends BlockState, InventoryHolder, LootableInventory { // Paper
}
--
2.8.2