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89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
37 lines
1.9 KiB
Diff
37 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Thu, 6 Jul 2023 20:17:37 -0700
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Subject: [PATCH] Optimize player lookups for beacons
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For larger ranges, it's better to iterate over the player list
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than the entity slices.
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diff --git a/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
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index eff48e43a35a752bd33de2b55a0ad04332109ce0..4b81b0180dfc96fc6a88646838a886ca5b5d301b 100644
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--- a/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/entity/BeaconBlockEntity.java
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@@ -329,7 +329,22 @@ public class BeaconBlockEntity extends BlockEntity implements MenuProvider, Name
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double d0 = blockEntity != null ? blockEntity.getEffectRange() : (i * 10 + 10); // Paper - Custom beacon ranges
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AABB axisalignedbb = (new AABB(blockposition)).inflate(d0).expandTowards(0.0D, (double) world.getHeight(), 0.0D);
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- List<Player> list = world.getEntitiesOfClass(Player.class, axisalignedbb);
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+ // Paper start - Perf: optimize player lookup for beacons
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+ List<Player> list;
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+ if (d0 <= 128.0) {
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+ list = world.getEntitiesOfClass(Player.class, axisalignedbb);
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+ } else {
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+ list = new java.util.ArrayList<>();
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+ for (Player player : world.players()) {
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+ if (player.isSpectator()) {
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+ continue;
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+ }
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+ if (player.getBoundingBox().intersects(axisalignedbb)) {
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+ list.add(player);
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+ }
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+ }
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+ }
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+ // Paper end - Perf: optimize player lookup for beacons
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return list;
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}
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