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2828dd1c67
CraftBukkit already checks that we're not trying to copy data back to the same snapshot, reverting this fixes the ability to properly update non-snapshot blockstates
36 lines
2.0 KiB
Diff
36 lines
2.0 KiB
Diff
From a441d9367e48dd010ae069c27c94a8b9a11fc3d0 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 26 Nov 2018 19:21:58 -0500
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Subject: [PATCH] Prevent rayTrace from loading chunks
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ray tracing into an unloaded chunk should be treated as a miss
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this saves a ton of lag for when AI tries to raytrace near unloaded chunks.
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index a7f6288f5..380ef602e 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -860,7 +860,8 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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int i1 = MathHelper.floor(d1);
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int j1 = MathHelper.floor(d2);
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BlockPosition blockposition = new BlockPosition(l, i1, j1);
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- IBlockData iblockdata = this.getType(blockposition);
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+ IBlockData iblockdata = this.getTypeIfLoaded(blockposition); // Paper
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+ if (iblockdata == null) return null; // Paper
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Fluid fluid = this.getFluid(blockposition);
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boolean flag2;
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boolean flag3;
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@@ -982,7 +983,8 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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i1 = MathHelper.floor(d1) - (enumdirection == EnumDirection.UP ? 1 : 0);
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j1 = MathHelper.floor(d2) - (enumdirection == EnumDirection.SOUTH ? 1 : 0);
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blockposition = new BlockPosition(l, i1, j1);
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- IBlockData iblockdata1 = this.getType(blockposition);
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+ IBlockData iblockdata1 = this.getTypeIfLoaded(blockposition); // Paper
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+ if (iblockdata1 == null) return null; // Paper
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Fluid fluid1 = this.getFluid(blockposition);
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if (!flag || iblockdata1.getMaterial() == Material.PORTAL || !iblockdata1.getCollisionShape(this, blockposition).isEmpty()) {
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--
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2.21.0
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