From 88e00e6b7efb8fb48e035fbfdfd75b7887c96c44 Mon Sep 17 00:00:00 2001 From: Aikar 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