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-rw-r--r--patches/server/0091-LootTable-API-Replenishable-Lootables-Feature.patch697
1 files changed, 697 insertions, 0 deletions
diff --git a/patches/server/0091-LootTable-API-Replenishable-Lootables-Feature.patch b/patches/server/0091-LootTable-API-Replenishable-Lootables-Feature.patch
new file mode 100644
index 0000000000..897d43d9c2
--- /dev/null
+++ b/patches/server/0091-LootTable-API-Replenishable-Lootables-Feature.patch
@@ -0,0 +1,697 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <[email protected]>
+Date: Sun, 1 May 2016 21:19:14 -0400
+Subject: [PATCH] LootTable API & Replenishable Lootables Feature
+
+Provides an API to control the loot table for an object.
+Also provides a feature that any Lootable Inventory (Chests in Structures)
+can automatically replenish after a given time.
+
+This feature is good for long term worlds so that newer players
+do not suffer with "Every chest has been looted"
+
+diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+index 7d92c9830206dacf34fc0f2f02d9453b3e0c0a5e..7661e41950c38bce94a2c7de4269ba6ebb2f6c52 100644
+--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
++++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+@@ -315,4 +315,26 @@ public class PaperWorldConfig {
+ this.frostedIceDelayMax = this.getInt("frosted-ice.delay.max", this.frostedIceDelayMax);
+ log("Frosted Ice: " + (this.frostedIceEnabled ? "enabled" : "disabled") + " / delay: min=" + this.frostedIceDelayMin + ", max=" + this.frostedIceDelayMax);
+ }
++
++ public boolean autoReplenishLootables;
++ public boolean restrictPlayerReloot;
++ public boolean changeLootTableSeedOnFill;
++ public int maxLootableRefills;
++ public int lootableRegenMin;
++ public int lootableRegenMax;
++ private void enhancedLootables() {
++ autoReplenishLootables = getBoolean("lootables.auto-replenish", false);
++ restrictPlayerReloot = getBoolean("lootables.restrict-player-reloot", true);
++ changeLootTableSeedOnFill = getBoolean("lootables.reset-seed-on-fill", true);
++ maxLootableRefills = getInt("lootables.max-refills", -1);
++ lootableRegenMin = PaperConfig.getSeconds(getString("lootables.refresh-min", "12h"));
++ lootableRegenMax = PaperConfig.getSeconds(getString("lootables.refresh-max", "2d"));
++ if (autoReplenishLootables) {
++ log("Lootables: Replenishing every " +
++ PaperConfig.timeSummary(lootableRegenMin) + " to " +
++ PaperConfig.timeSummary(lootableRegenMax) +
++ (restrictPlayerReloot ? " (restricting reloot)" : "")
++ );
++ }
++ }
+ }
+diff --git a/src/main/java/com/destroystokyo/paper/loottable/PaperLootableBlockInventory.java b/src/main/java/com/destroystokyo/paper/loottable/PaperLootableBlockInventory.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..70ca5625ff5d13a8e9cd64953066a7e1547ff223
+--- /dev/null
++++ b/src/main/java/com/destroystokyo/paper/loottable/PaperLootableBlockInventory.java
+@@ -0,0 +1,33 @@
++package com.destroystokyo.paper.loottable;
++
++import net.minecraft.core.BlockPos;
++import net.minecraft.world.level.Level;
++import net.minecraft.world.level.block.entity.RandomizableContainerBlockEntity;
++import org.bukkit.Chunk;
++import org.bukkit.block.Block;
++
++public interface PaperLootableBlockInventory extends LootableBlockInventory, PaperLootableInventory {
++
++ RandomizableContainerBlockEntity getTileEntity();
++
++ @Override
++ default LootableInventory getAPILootableInventory() {
++ return this;
++ }
++
++ @Override
++ default Level getNMSWorld() {
++ return getTileEntity().getLevel();
++ }
++
++ default Block getBlock() {
++ final BlockPos position = getTileEntity().getBlockPos();
++ final Chunk bukkitChunk = getTileEntity().getLevel().getChunkAt(position).bukkitChunk;
++ return bukkitChunk.getBlock(position.getX(), position.getY(), position.getZ());
++ }
++
++ @Override
++ default PaperLootableInventoryData getLootableData() {
++ return getTileEntity().lootableData;
++ }
++}
+diff --git a/src/main/java/com/destroystokyo/paper/loottable/PaperLootableEntityInventory.java b/src/main/java/com/destroystokyo/paper/loottable/PaperLootableEntityInventory.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..2fba5bc0f982e143ad5f5bda55d768edc5f847df
+--- /dev/null
++++ b/src/main/java/com/destroystokyo/paper/loottable/PaperLootableEntityInventory.java
+@@ -0,0 +1,28 @@
++package com.destroystokyo.paper.loottable;
++
++import net.minecraft.world.level.Level;
++import org.bukkit.entity.Entity;
++
++public interface PaperLootableEntityInventory extends LootableEntityInventory, PaperLootableInventory {
++
++ net.minecraft.world.entity.Entity getHandle();
++
++ @Override
++ default LootableInventory getAPILootableInventory() {
++ return this;
++ }
++
++ default Entity getEntity() {
++ return getHandle().getBukkitEntity();
++ }
++
++ @Override
++ default Level getNMSWorld() {
++ return getHandle().getCommandSenderWorld();
++ }
++
++ @Override
++ default PaperLootableInventoryData getLootableData() {
++ return getHandle().lootableData;
++ }
++}
+diff --git a/src/main/java/com/destroystokyo/paper/loottable/PaperLootableInventory.java b/src/main/java/com/destroystokyo/paper/loottable/PaperLootableInventory.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..16b3527d7bc782c47e6f6c3ecd7165bd16b0ab0a
+--- /dev/null
++++ b/src/main/java/com/destroystokyo/paper/loottable/PaperLootableInventory.java
+@@ -0,0 +1,70 @@
++package com.destroystokyo.paper.loottable;
++
++import org.bukkit.loot.Lootable;
++import java.util.UUID;
++import net.minecraft.world.level.Level;
++
++public interface PaperLootableInventory extends LootableInventory, Lootable {
++
++ PaperLootableInventoryData getLootableData();
++ LootableInventory getAPILootableInventory();
++
++ Level getNMSWorld();
++
++ default org.bukkit.World getBukkitWorld() {
++ return getNMSWorld().getWorld();
++ }
++
++ @Override
++ default boolean isRefillEnabled() {
++ return getNMSWorld().paperConfig.autoReplenishLootables;
++ }
++
++ @Override
++ default boolean hasBeenFilled() {
++ return getLastFilled() != -1;
++ }
++
++ @Override
++ default boolean hasPlayerLooted(UUID player) {
++ return getLootableData().hasPlayerLooted(player);
++ }
++
++ @Override
++ default Long getLastLooted(UUID player) {
++ return getLootableData().getLastLooted(player);
++ }
++
++ @Override
++ default boolean setHasPlayerLooted(UUID player, boolean looted) {
++ final boolean hasLooted = hasPlayerLooted(player);
++ if (hasLooted != looted) {
++ getLootableData().setPlayerLootedState(player, looted);
++ }
++ return hasLooted;
++ }
++
++ @Override
++ default boolean hasPendingRefill() {
++ long nextRefill = getLootableData().getNextRefill();
++ return nextRefill != -1 && nextRefill > getLootableData().getLastFill();
++ }
++
++ @Override
++ default long getLastFilled() {
++ return getLootableData().getLastFill();
++ }
++
++ @Override
++ default long getNextRefill() {
++ return getLootableData().getNextRefill();
++ }
++
++ @Override
++ default long setNextRefill(long refillAt) {
++ if (refillAt < -1) {
++ refillAt = -1;
++ }
++ return getLootableData().setNextRefill(refillAt);
++ }
++}
+diff --git a/src/main/java/com/destroystokyo/paper/loottable/PaperLootableInventoryData.java b/src/main/java/com/destroystokyo/paper/loottable/PaperLootableInventoryData.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..20cfe7b9b7127ddeb97aa91d759fc17b4a548eaf
+--- /dev/null
++++ b/src/main/java/com/destroystokyo/paper/loottable/PaperLootableInventoryData.java
+@@ -0,0 +1,179 @@
++package com.destroystokyo.paper.loottable;
++
++import com.destroystokyo.paper.PaperWorldConfig;
++import org.bukkit.entity.Player;
++import org.bukkit.loot.LootTable;
++import javax.annotation.Nullable;
++import net.minecraft.nbt.CompoundTag;
++import net.minecraft.nbt.ListTag;
++import java.util.HashMap;
++import java.util.Map;
++import java.util.Random;
++import java.util.UUID;
++
++public class PaperLootableInventoryData {
++
++ private static final Random RANDOM = new Random();
++
++ private long lastFill = -1;
++ private long nextRefill = -1;
++ private int numRefills = 0;
++ private Map<UUID, Long> lootedPlayers;
++ private final PaperLootableInventory lootable;
++
++ public PaperLootableInventoryData(PaperLootableInventory lootable) {
++ this.lootable = lootable;
++ }
++
++ long getLastFill() {
++ return this.lastFill;
++ }
++
++ long getNextRefill() {
++ return this.nextRefill;
++ }
++
++ long setNextRefill(long nextRefill) {
++ long prev = this.nextRefill;
++ this.nextRefill = nextRefill;
++ return prev;
++ }
++
++ public boolean shouldReplenish(@Nullable net.minecraft.world.entity.player.Player player) {
++ LootTable table = this.lootable.getLootTable();
++
++ // No Loot Table associated
++ if (table == null) {
++ return false;
++ }
++
++ // ALWAYS process the first fill or if the feature is disabled
++ if (this.lastFill == -1 || !this.lootable.getNMSWorld().paperConfig.autoReplenishLootables) {
++ return true;
++ }
++
++ // Only process refills when a player is set
++ if (player == null) {
++ return false;
++ }
++
++ // Chest is not scheduled for refill
++ if (this.nextRefill == -1) {
++ return false;
++ }
++
++ final PaperWorldConfig paperConfig = this.lootable.getNMSWorld().paperConfig;
++
++ // Check if max refills has been hit
++ if (paperConfig.maxLootableRefills != -1 && this.numRefills >= paperConfig.maxLootableRefills) {
++ return false;
++ }
++
++ // Refill has not been reached
++ if (this.nextRefill > System.currentTimeMillis()) {
++ return false;
++ }
++
++
++ final Player bukkitPlayer = (Player) player.getBukkitEntity();
++ LootableInventoryReplenishEvent event = new LootableInventoryReplenishEvent(bukkitPlayer, lootable.getAPILootableInventory());
++ if (paperConfig.restrictPlayerReloot && hasPlayerLooted(player.getUUID())) {
++ event.setCancelled(true);
++ }
++ return event.callEvent();
++ }
++ public void processRefill(@Nullable net.minecraft.world.entity.player.Player player) {
++ this.lastFill = System.currentTimeMillis();
++ final PaperWorldConfig paperConfig = this.lootable.getNMSWorld().paperConfig;
++ if (paperConfig.autoReplenishLootables) {
++ int min = paperConfig.lootableRegenMin;
++ int max = paperConfig.lootableRegenMax;
++ this.nextRefill = this.lastFill + (min + RANDOM.nextInt(max - min + 1)) * 1000L;
++ this.numRefills++;
++ if (paperConfig.changeLootTableSeedOnFill) {
++ this.lootable.setSeed(0);
++ }
++ if (player != null) { // This means that numRefills can be incremented without a player being in the lootedPlayers list - Seems to be EntityMinecartChest specific
++ this.setPlayerLootedState(player.getUUID(), true);
++ }
++ } else {
++ this.lootable.clearLootTable();
++ }
++ }
++
++
++ public void loadNbt(CompoundTag base) {
++ if (!base.contains("Paper.LootableData", 10)) { // 10 = compound
++ return;
++ }
++ CompoundTag comp = base.getCompound("Paper.LootableData");
++ if (comp.contains("lastFill")) {
++ this.lastFill = comp.getLong("lastFill");
++ }
++ if (comp.contains("nextRefill")) {
++ this.nextRefill = comp.getLong("nextRefill");
++ }
++
++ if (comp.contains("numRefills")) {
++ this.numRefills = comp.getInt("numRefills");
++ }
++ if (comp.contains("lootedPlayers", 9)) { // 9 = list
++ ListTag list = comp.getList("lootedPlayers", 10); // 10 = compound
++ final int size = list.size();
++ if (size > 0) {
++ this.lootedPlayers = new HashMap<>(list.size());
++ }
++ for (int i = 0; i < size; i++) {
++ final CompoundTag cmp = list.getCompound(i);
++ lootedPlayers.put(cmp.getUUID("UUID"), cmp.getLong("Time"));
++ }
++ }
++ }
++ public void saveNbt(CompoundTag base) {
++ CompoundTag comp = new CompoundTag();
++ if (this.nextRefill != -1) {
++ comp.putLong("nextRefill", this.nextRefill);
++ }
++ if (this.lastFill != -1) {
++ comp.putLong("lastFill", this.lastFill);
++ }
++ if (this.numRefills != 0) {
++ comp.putInt("numRefills", this.numRefills);
++ }
++ if (this.lootedPlayers != null && !this.lootedPlayers.isEmpty()) {
++ ListTag list = new ListTag();
++ for (Map.Entry<UUID, Long> entry : this.lootedPlayers.entrySet()) {
++ CompoundTag cmp = new CompoundTag();
++ cmp.putUUID("UUID", entry.getKey());
++ cmp.putLong("Time", entry.getValue());
++ list.add(cmp);
++ }
++ comp.put("lootedPlayers", list);
++ }
++
++ if (!comp.isEmpty()) {
++ base.put("Paper.LootableData", comp);
++ }
++ }
++
++ void setPlayerLootedState(UUID player, boolean looted) {
++ if (looted && this.lootedPlayers == null) {
++ this.lootedPlayers = new HashMap<>();
++ }
++ if (looted) {
++ if (!this.lootedPlayers.containsKey(player)) {
++ this.lootedPlayers.put(player, System.currentTimeMillis());
++ }
++ } else if (this.lootedPlayers != null) {
++ this.lootedPlayers.remove(player);
++ }
++ }
++
++ boolean hasPlayerLooted(UUID player) {
++ return this.lootedPlayers != null && this.lootedPlayers.containsKey(player);
++ }
++
++ Long getLastLooted(UUID player) {
++ return lootedPlayers != null ? lootedPlayers.get(player) : null;
++ }
++}
+diff --git a/src/main/java/com/destroystokyo/paper/loottable/PaperMinecartLootableInventory.java b/src/main/java/com/destroystokyo/paper/loottable/PaperMinecartLootableInventory.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..6d2e0493729b7b4e109ff103a6ac36c9901568c0
+--- /dev/null
++++ b/src/main/java/com/destroystokyo/paper/loottable/PaperMinecartLootableInventory.java
+@@ -0,0 +1,62 @@
++package com.destroystokyo.paper.loottable;
++
++import net.minecraft.world.entity.Entity;
++import net.minecraft.world.entity.vehicle.AbstractMinecartContainer;
++import net.minecraft.world.level.Level;
++import org.bukkit.Bukkit;
++import org.bukkit.craftbukkit.util.CraftNamespacedKey;
++
++public class PaperMinecartLootableInventory implements PaperLootableEntityInventory {
++
++ private AbstractMinecartContainer entity;
++
++ public PaperMinecartLootableInventory(AbstractMinecartContainer entity) {
++ this.entity = entity;
++ }
++
++ @Override
++ public org.bukkit.loot.LootTable getLootTable() {
++ return entity.lootTable != null ? Bukkit.getLootTable(CraftNamespacedKey.fromMinecraft(entity.lootTable)) : null;
++ }
++
++ @Override
++ public void setLootTable(org.bukkit.loot.LootTable table, long seed) {
++ setLootTable(table);
++ setSeed(seed);
++ }
++
++ @Override
++ public void setSeed(long seed) {
++ entity.lootTableSeed = seed;
++ }
++
++ @Override
++ public long getSeed() {
++ return entity.lootTableSeed;
++ }
++
++ @Override
++ public void setLootTable(org.bukkit.loot.LootTable table) {
++ entity.lootTable = (table == null) ? null : CraftNamespacedKey.toMinecraft(table.getKey());
++ }
++
++ @Override
++ public PaperLootableInventoryData getLootableData() {
++ return entity.lootableData;
++ }
++
++ @Override
++ public Entity getHandle() {
++ return entity;
++ }
++
++ @Override
++ public LootableInventory getAPILootableInventory() {
++ return (LootableInventory) entity.getBukkitEntity();
++ }
++
++ @Override
++ public Level getNMSWorld() {
++ return entity.level;
++ }
++}
+diff --git a/src/main/java/com/destroystokyo/paper/loottable/PaperTileEntityLootableInventory.java b/src/main/java/com/destroystokyo/paper/loottable/PaperTileEntityLootableInventory.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..3377b86c337d0234bbb9b0349e4034a7cd450a97
+--- /dev/null
++++ b/src/main/java/com/destroystokyo/paper/loottable/PaperTileEntityLootableInventory.java
+@@ -0,0 +1,65 @@
++package com.destroystokyo.paper.loottable;
++
++import net.minecraft.server.MCUtil;
++import net.minecraft.world.level.Level;
++import net.minecraft.world.level.block.entity.RandomizableContainerBlockEntity;
++import org.bukkit.Bukkit;
++import org.bukkit.craftbukkit.util.CraftNamespacedKey;
++
++public class PaperTileEntityLootableInventory implements PaperLootableBlockInventory {
++ private RandomizableContainerBlockEntity tileEntityLootable;
++
++ public PaperTileEntityLootableInventory(RandomizableContainerBlockEntity tileEntityLootable) {
++ this.tileEntityLootable = tileEntityLootable;
++ }
++
++ @Override
++ public org.bukkit.loot.LootTable getLootTable() {
++ return tileEntityLootable.lootTable != null ? Bukkit.getLootTable(CraftNamespacedKey.fromMinecraft(tileEntityLootable.lootTable)) : null;
++ }
++
++ @Override
++ public void setLootTable(org.bukkit.loot.LootTable table, long seed) {
++ setLootTable(table);
++ setSeed(seed);
++ }
++
++ @Override
++ public void setLootTable(org.bukkit.loot.LootTable table) {
++ tileEntityLootable.lootTable = (table == null) ? null : CraftNamespacedKey.toMinecraft(table.getKey());
++ }
++
++ @Override
++ public void setSeed(long seed) {
++ tileEntityLootable.lootTableSeed = seed;
++ }
++
++ @Override
++ public long getSeed() {
++ return tileEntityLootable.lootTableSeed;
++ }
++
++ @Override
++ public PaperLootableInventoryData getLootableData() {
++ return tileEntityLootable.lootableData;
++ }
++
++ @Override
++ public RandomizableContainerBlockEntity getTileEntity() {
++ return tileEntityLootable;
++ }
++
++ @Override
++ public LootableInventory getAPILootableInventory() {
++ Level world = tileEntityLootable.getLevel();
++ if (world == null) {
++ return null;
++ }
++ return (LootableInventory) getBukkitWorld().getBlockAt(MCUtil.toLocation(world, tileEntityLootable.getBlockPos())).getState();
++ }
++
++ @Override
++ public Level getNMSWorld() {
++ return tileEntityLootable.getLevel();
++ }
++}
+diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
+index 8e746391d6e3393a19e0f0cb3b28b6722df55510..6436ab09944ba1bec7f9ae011078898ac4d55f9e 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
++++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -170,6 +170,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, i
+ };
+ // Paper end
+
++ public com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData; // Paper
+ private CraftEntity bukkitEntity;
+
+ public CraftEntity getBukkitEntity() {
+diff --git a/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecartContainer.java b/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecartContainer.java
+index 298f7e29412ecaf15b3fb15da9ee3d6b250f772a..8a07d5d25086d7544757bb86181fbe2b5e743d29 100644
+--- a/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecartContainer.java
++++ b/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecartContainer.java
+@@ -46,6 +46,7 @@ public abstract class AbstractMinecartContainer extends AbstractMinecart impleme
+ public long lootTableSeed;
+
+ // CraftBukkit start
++ { this.lootableData = new com.destroystokyo.paper.loottable.PaperLootableInventoryData(new com.destroystokyo.paper.loottable.PaperMinecartLootableInventory(this)); } // Paper
+ public List<HumanEntity> transaction = new java.util.ArrayList<HumanEntity>();
+ private int maxStack = MAX_STACK;
+
+@@ -200,12 +201,13 @@ public abstract class AbstractMinecartContainer extends AbstractMinecart impleme
+ @Override
+ protected void addAdditionalSaveData(CompoundTag nbt) {
+ super.addAdditionalSaveData(nbt);
++ this.lootableData.saveNbt(nbt); // Paper
+ if (this.lootTable != null) {
+ nbt.putString("LootTable", this.lootTable.toString());
+ if (this.lootTableSeed != 0L) {
+ nbt.putLong("LootTableSeed", this.lootTableSeed);
+ }
+- } else {
++ } if (true) { // Paper - Always save the items, Table may stick around
+ ContainerHelper.saveAllItems(nbt, this.itemStacks);
+ }
+
+@@ -214,11 +216,12 @@ public abstract class AbstractMinecartContainer extends AbstractMinecart impleme
+ @Override
+ protected void readAdditionalSaveData(CompoundTag nbt) {
+ super.readAdditionalSaveData(nbt);
++ this.lootableData.loadNbt(nbt); // Paper
+ this.itemStacks = NonNullList.withSize(this.getContainerSize(), ItemStack.EMPTY);
+ if (nbt.contains("LootTable", 8)) {
+ this.lootTable = new ResourceLocation(nbt.getString("LootTable"));
+ this.lootTableSeed = nbt.getLong("LootTableSeed");
+- } else {
++ } if (true) { // Paper - always load the items, table may still remain
+ ContainerHelper.loadAllItems(nbt, this.itemStacks);
+ }
+
+@@ -254,14 +257,15 @@ public abstract class AbstractMinecartContainer extends AbstractMinecart impleme
+ }
+
+ public void unpackLootTable(@Nullable Player player) {
+- if (this.lootTable != null && this.level.getServer() != null) {
++ if (this.lootableData.shouldReplenish(player) && this.level.getServer() != null) { // Paper
+ LootTable loottable = this.level.getServer().getLootTables().get(this.lootTable);
+
+ if (player instanceof ServerPlayer) {
+ CriteriaTriggers.GENERATE_LOOT.trigger((ServerPlayer) player, this.lootTable);
+ }
+
+- this.lootTable = null;
++ //this.lootTable = null; // Paper
++ this.lootableData.processRefill(player); // Paper
+ LootContext.Builder loottableinfo_builder = (new LootContext.Builder((ServerLevel) this.level)).withParameter(LootContextParams.ORIGIN, this.position()).withOptionalRandomSeed(this.lootTableSeed);
+
+ if (player != null) {
+diff --git a/src/main/java/net/minecraft/world/level/block/entity/RandomizableContainerBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/RandomizableContainerBlockEntity.java
+index b79d9d26a8e60f9c0ecd69e9c2f9cfd087e21d23..f23fff80d07ac7d06715efe67cb49ebbe704967b 100644
+--- a/src/main/java/net/minecraft/world/level/block/entity/RandomizableContainerBlockEntity.java
++++ b/src/main/java/net/minecraft/world/level/block/entity/RandomizableContainerBlockEntity.java
+@@ -28,6 +28,7 @@ public abstract class RandomizableContainerBlockEntity extends BaseContainerBloc
+ @Nullable
+ public ResourceLocation lootTable;
+ public long lootTableSeed;
++ public final com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData = new com.destroystokyo.paper.loottable.PaperLootableInventoryData(new com.destroystokyo.paper.loottable.PaperTileEntityLootableInventory(this)); // Paper
+
+ protected RandomizableContainerBlockEntity(BlockEntityType<?> type, BlockPos pos, BlockState state) {
+ super(type, pos, state);
+@@ -42,16 +43,19 @@ public abstract class RandomizableContainerBlockEntity extends BaseContainerBloc
+ }
+
+ protected boolean tryLoadLootTable(CompoundTag nbt) {
++ this.lootableData.loadNbt(nbt); // Paper
+ if (nbt.contains("LootTable", 8)) {
+ this.lootTable = new ResourceLocation(nbt.getString("LootTable"));
++ try { org.bukkit.craftbukkit.util.CraftNamespacedKey.fromMinecraft(this.lootTable); } catch (IllegalArgumentException ex) { this.lootTable = null; } // Paper - validate
+ this.lootTableSeed = nbt.getLong("LootTableSeed");
+- return true;
++ return false; // Paper - always load the items, table may still remain
+ } else {
+ return false;
+ }
+ }
+
+ protected boolean trySaveLootTable(CompoundTag nbt) {
++ this.lootableData.saveNbt(nbt); // Paper
+ if (this.lootTable == null) {
+ return false;
+ } else {
+@@ -60,18 +64,19 @@ public abstract class RandomizableContainerBlockEntity extends BaseContainerBloc
+ nbt.putLong("LootTableSeed", this.lootTableSeed);
+ }
+
+- return true;
++ return false; // Paper - always save the items, table may still remain
+ }
+ }
+
+ public void unpackLootTable(@Nullable Player player) {
+- if (this.lootTable != null && this.level.getServer() != null) {
++ if (this.lootableData.shouldReplenish(player) && this.level.getServer() != null) { // Paper
+ LootTable lootTable = this.level.getServer().getLootTables().get(this.lootTable);
+ if (player instanceof ServerPlayer) {
+ CriteriaTriggers.GENERATE_LOOT.trigger((ServerPlayer)player, this.lootTable);
+ }
+
+- this.lootTable = null;
++ //this.lootTable = null; // Paper
++ this.lootableData.processRefill(player); // Paper
+ LootContext.Builder builder = (new LootContext.Builder((ServerLevel)this.level)).withParameter(LootContextParams.ORIGIN, Vec3.atCenterOf(this.worldPosition)).withOptionalRandomSeed(this.lootTableSeed);
+ if (player != null) {
+ builder.withLuck(player.getLuck()).withParameter(LootContextParams.THIS_ENTITY, player);
+diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftChest.java b/src/main/java/org/bukkit/craftbukkit/block/CraftChest.java
+index d0c1121fabe46e8268cd2691398361c182be9db5..9796e2d3cd9601416124ad5c36f962ed3f8682e8 100644
+--- a/src/main/java/org/bukkit/craftbukkit/block/CraftChest.java
++++ b/src/main/java/org/bukkit/craftbukkit/block/CraftChest.java
+@@ -13,8 +13,9 @@ import org.bukkit.craftbukkit.CraftWorld;
+ import org.bukkit.craftbukkit.inventory.CraftInventory;
+ import org.bukkit.craftbukkit.inventory.CraftInventoryDoubleChest;
+ import org.bukkit.inventory.Inventory;
++import com.destroystokyo.paper.loottable.PaperLootableBlockInventory; // Paper
+
+-public class CraftChest extends CraftLootable<ChestBlockEntity> implements Chest {
++public class CraftChest extends CraftLootable<ChestBlockEntity> implements Chest, PaperLootableBlockInventory { // Paper
+
+ public CraftChest(World world, ChestBlockEntity tileEntity) {
+ super(world, tileEntity);
+diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftLootable.java b/src/main/java/org/bukkit/craftbukkit/block/CraftLootable.java
+index 982adacb361b0590799dc68f9b7c13c7195627fd..e49eece9bff3a53469673d03a7bbf8f9cf8776b8 100644
+--- a/src/main/java/org/bukkit/craftbukkit/block/CraftLootable.java
++++ b/src/main/java/org/bukkit/craftbukkit/block/CraftLootable.java
+@@ -9,7 +9,7 @@ import org.bukkit.craftbukkit.util.CraftNamespacedKey;
+ import org.bukkit.loot.LootTable;
+ import org.bukkit.loot.Lootable;
+
+-public abstract class CraftLootable<T extends RandomizableContainerBlockEntity> extends CraftContainer<T> implements Nameable, Lootable {
++public abstract class CraftLootable<T extends RandomizableContainerBlockEntity> extends CraftContainer<T> implements Nameable, Lootable, com.destroystokyo.paper.loottable.PaperLootableBlockInventory { // Paper
+
+ public CraftLootable(World world, T tileEntity) {
+ super(world, tileEntity);
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartChest.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartChest.java
+index eb21b8457774d5ac765fa9008157cb29d9b72509..abf58bef2042a9efba5a78fd7f97339deceaa780 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartChest.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartChest.java
+@@ -8,7 +8,7 @@ import org.bukkit.entity.minecart.StorageMinecart;
+ import org.bukkit.inventory.Inventory;
+
+ @SuppressWarnings("deprecation")
+-public class CraftMinecartChest extends CraftMinecartContainer implements StorageMinecart {
++public class CraftMinecartChest extends CraftMinecartContainer implements StorageMinecart, com.destroystokyo.paper.loottable.PaperLootableEntityInventory { // Paper
+ private final CraftInventory inventory;
+
+ public CraftMinecartChest(CraftServer server, MinecartChest entity) {
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartHopper.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartHopper.java
+index 34b8f103625f087bb725bed595dd9c30f4a6f70c..ee9648739fb39c5842063d7442df6eb5c9336d7f 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartHopper.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartHopper.java
+@@ -7,7 +7,7 @@ import org.bukkit.entity.EntityType;
+ import org.bukkit.entity.minecart.HopperMinecart;
+ import org.bukkit.inventory.Inventory;
+
+-public final class CraftMinecartHopper extends CraftMinecartContainer implements HopperMinecart {
++public final class CraftMinecartHopper extends CraftMinecartContainer implements HopperMinecart, com.destroystokyo.paper.loottable.PaperLootableEntityInventory { // Paper
+ private final CraftInventory inventory;
+
+ public CraftMinecartHopper(CraftServer server, MinecartHopper entity) {