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34 lines
2.7 KiB
Diff
34 lines
2.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
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Date: Wed, 15 Jun 2022 21:52:57 -0400
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Subject: [PATCH] Prevent empty items from being added to world
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The previous solution caused a bunch of bandaid fixes inorder to resolve edge cases where minecraft/the api might spawn items that are air.
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Just simply prevent them from being added to the world instead.
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index 653c9c41ab7c5cd332565436564396d18f26c17c..06df21e55fdb70558b85fc095a04b3bb64fbe770 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -1645,6 +1645,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
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// WorldServer.LOGGER.warn("Tried to add entity {} but it was marked as removed already", EntityTypes.getKey(entity.getType())); // CraftBukkit
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return false;
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} else {
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+ if (entity instanceof net.minecraft.world.entity.item.ItemEntity itemEntity && itemEntity.getItem().isEmpty()) return false; // Paper - Prevent empty items from being added
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// Paper start - capture all item additions to the world
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if (captureDrops != null && entity instanceof net.minecraft.world.entity.item.ItemEntity) {
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captureDrops.add((net.minecraft.world.entity.item.ItemEntity) entity);
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diff --git a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
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index 8a2c135ee7c6fe60a2debf7a7b02fb9ffc3d2c2f..b1ae4702d7165794600b257fe8563a4ac48d922c 100644
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--- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
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@@ -515,7 +515,7 @@ public class ItemEntity extends Entity implements TraceableEntity {
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}
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public void setItem(ItemStack stack) {
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- com.google.common.base.Preconditions.checkArgument(!stack.isEmpty(), "Cannot drop air"); // CraftBukkit
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+ // com.google.common.base.Preconditions.checkArgument(!stack.isEmpty(), "Cannot drop air"); // CraftBukkit // Paper - Remove check
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this.getEntityData().set(ItemEntity.DATA_ITEM, stack);
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this.getEntityData().markDirty(ItemEntity.DATA_ITEM); // CraftBukkit - SPIGOT-4591, must mark dirty
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this.despawnRate = this.level().paperConfig().entities.spawning.altItemDespawnRate.enabled ? this.level().paperConfig().entities.spawning.altItemDespawnRate.items.getOrDefault(stack.getItem(), this.level().spigotConfig.itemDespawnRate) : this.level().spigotConfig.itemDespawnRate; // Paper
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