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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: lexikiq <noellekiq@gmail.com>
Date: Mon, 21 Jun 2021 23:21:58 -0400
Subject: [PATCH] Preserve overstacked loot
Preserves overstacked items in loot tables, such as shulker box drops, to prevent the items
from being deleted (as they'd overflow past the bounds of the container)-- or worse, causing
chunk bans via the large amount of NBT created by unstacking the items.
Fixes GH-5140 and GH-4748.
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index f5c1de088ff49178aac4b2bea7059b98d5e8d338..5cae8f1c0d1d9642ad6ee53d9897b28eab02c4cd 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -896,6 +896,11 @@ public class PaperWorldConfig {
allowPlayerCrammingDamage = getBoolean("allow-player-cramming-damage", allowPlayerCrammingDamage);
}
+ public boolean splitOverstackedLoot = true;
+ private void splitOverstackedLoot() {
+ splitOverstackedLoot = getBoolean("split-overstacked-loot", splitOverstackedLoot);
+ }
+
private com.google.common.collect.Table<String, String, Integer> sensorTickRates;
private com.google.common.collect.Table<String, String, Integer> behaviorTickRates;
private void tickRates() {
diff --git a/src/main/java/net/minecraft/world/level/storage/loot/LootTable.java b/src/main/java/net/minecraft/world/level/storage/loot/LootTable.java
index e3897785b055a859bccf6d67eb1a5157f5b54348..ca5d0bb8a8666285075e23f58b7d34ea34f3d94c 100644
--- a/src/main/java/net/minecraft/world/level/storage/loot/LootTable.java
+++ b/src/main/java/net/minecraft/world/level/storage/loot/LootTable.java
@@ -54,9 +54,17 @@ public class LootTable {
this.compositeFunction = LootItemFunctions.compose(functions);
}
+ @Deprecated // Paper - preserve overstacked items
public static Consumer<ItemStack> createStackSplitter(Consumer<ItemStack> lootConsumer) {
+ // Paper start - preserve overstacked items
+ return createStackSplitter(lootConsumer, null);
+ }
+
+ public static Consumer<ItemStack> createStackSplitter(Consumer<ItemStack> lootConsumer, @org.jetbrains.annotations.Nullable net.minecraft.server.level.ServerLevel world) {
+ boolean skipSplitter = world != null && !world.paperConfig.splitOverstackedLoot;
+ // Paper end
return (itemstack) -> {
- if (itemstack.getCount() < itemstack.getMaxStackSize()) {
+ if (skipSplitter || itemstack.getCount() < itemstack.getMaxStackSize()) { // Paper - preserve overstacked items
lootConsumer.accept(itemstack);
} else {
int i = itemstack.getCount();
@@ -93,7 +101,7 @@ public class LootTable {
}
public void getRandomItems(LootContext context, Consumer<ItemStack> lootConsumer) {
- this.getRandomItemsRaw(context, LootTable.createStackSplitter(lootConsumer));
+ this.getRandomItemsRaw(context, LootTable.createStackSplitter(lootConsumer, context.getLevel())); // Paper - preserve overstacked items
}
public List<ItemStack> getRandomItems(LootContext context) {
diff --git a/src/main/java/net/minecraft/world/level/storage/loot/functions/SetContainerContents.java b/src/main/java/net/minecraft/world/level/storage/loot/functions/SetContainerContents.java
index 057676201aa2d19032537832849f3857425d357a..b5c6b7280a9c6964e2ad4aa9bd4517146c98e727 100644
--- a/src/main/java/net/minecraft/world/level/storage/loot/functions/SetContainerContents.java
+++ b/src/main/java/net/minecraft/world/level/storage/loot/functions/SetContainerContents.java
@@ -46,7 +46,7 @@ public class SetContainerContents extends LootItemConditionalFunction {
NonNullList<ItemStack> nonNullList = NonNullList.create();
this.entries.forEach((entry) -> {
entry.expand(context, (choice) -> {
- choice.createItemStack(LootTable.createStackSplitter(nonNullList::add), context);
+ choice.createItemStack(LootTable.createStackSplitter(nonNullList::add, context.getLevel()), context); // Paper - preserve overstacked items
});
});
CompoundTag compoundTag = new CompoundTag();
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