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41647af74c
We cannot put blocking network I/O onto the worldgen threads, this will crash the server if it stalls
43 lines
2.5 KiB
Diff
43 lines
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: AJMFactsheets <AJMFactsheets@gmail.com>
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Date: Fri, 17 Jan 2020 17:17:54 -0600
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Subject: [PATCH] Fix items not falling correctly
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Since 1.14, Mojang has added an optimization which skips checking if
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an item should fall every fourth tick.
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However, Spigot's entity activation range class also has an
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optimization which skips ticking active entities every fourth tick.
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This can result in a state where an item will never properly fall
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due to its move method never being called.
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This patch resolves the conflict by offsetting checking Spigot's entity
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activation range check from an item's move method.
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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 23506fd3a98c240606a00e29624012ae3bbab21a..a0de239a8497c906c2329131b14587637b0fdfcf 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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@@ -144,7 +144,7 @@ public class ItemEntity extends Entity {
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}
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}
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- if (!this.onGround || this.getDeltaMovement().horizontalDistanceSqr() > 9.999999747378752E-6D || (this.tickCount + this.getId()) % 4 == 0) {
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+ if (!this.onGround || this.getDeltaMovement().horizontalDistanceSqr() > 9.999999747378752E-6D || (this.tickCount + this.getId()) % 4 == 0) { // Paper - Diff on change
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this.move(MoverType.SELF, this.getDeltaMovement());
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float f1 = 0.98F;
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diff --git a/src/main/java/org/spigotmc/ActivationRange.java b/src/main/java/org/spigotmc/ActivationRange.java
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index 07e5ece37af6b02210920ce6cc31738274d447a9..7bae24598218dcf0012dd21e619e6f5f984bd6f0 100644
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--- a/src/main/java/org/spigotmc/ActivationRange.java
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+++ b/src/main/java/org/spigotmc/ActivationRange.java
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@@ -251,7 +251,7 @@ public class ActivationRange
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isActive = true;
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}
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// Add a little performance juice to active entities. Skip 1/4 if not immune.
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- } else if ( !entity.defaultActivationState && entity.tickCount % 4 == 0 && !ActivationRange.checkEntityImmunities( entity ) )
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+ } else if ( !entity.defaultActivationState && entity.tickCount + entity.getId() + 1 % 4 == 0 && !ActivationRange.checkEntityImmunities( entity ) ) // Paper - Ensure checking item movement is offset from Spigot's entity activation range check
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{
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isActive = false;
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}
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