PaperMC/patches/server/0994-Optimize-isInWorldBounds-and-getBlockState-for-inlin.patch
Bjarne Koll 7df472527f
Configurable damage tick when blocking with shield (#10877)
A long standing bug in spigot and its derivatives was the fact that
players taking damage while blocking with a shield would not receive
invulnerability, while they do in vanilla.

This enabled the pvp technique of disabling a shield and immediately
attacking again to knock a player into the air.
While upstream fixed this and properly aligned itself with vanilla
damage logic (in this specific case) changing such long standing
behaviour has some downsides.

To allow players used to this specific bug to still use it, this patch
introduces a configuration option to re-introduce said bug.
As there is no easy way to *only* re-add this bug, the option is found
in the unsupported section as it may introduce other damage related
disparity from vanilla.
2024-06-15 23:17:51 +02:00

99 lines
5.1 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 3 Mar 2016 02:07:55 -0600
Subject: [PATCH] Optimize isInWorldBounds and getBlockState for inlining
Hot methods, so reduce # of instructions for the method.
Move is valid location test to the BlockPosition class so that it can access local variables.
Replace all calls to the new place to the unnecessary forward.
Optimize getType and getBlockData to manually inline and optimize the calls
diff --git a/src/main/java/net/minecraft/core/Vec3i.java b/src/main/java/net/minecraft/core/Vec3i.java
index 02367ef1371dde94ff6c4cd40bd32e800d6ccaaf..7b0fc7135bc107103dcaed6dc0707b1829928fae 100644
--- a/src/main/java/net/minecraft/core/Vec3i.java
+++ b/src/main/java/net/minecraft/core/Vec3i.java
@@ -28,6 +28,12 @@ public class Vec3i implements Comparable<Vec3i> {
);
}
+ // Paper start
+ public final boolean isInsideBuildHeightAndWorldBoundsHorizontal(net.minecraft.world.level.LevelHeightAccessor levelHeightAccessor) {
+ return getX() >= -30000000 && getZ() >= -30000000 && getX() < 30000000 && getZ() < 30000000 && !levelHeightAccessor.isOutsideBuildHeight(getY());
+ }
+ // Paper end
+
public Vec3i(int x, int y, int z) {
this.x = x;
this.y = y;
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 77c6613c39e3b266944e28cf2627483d9f32c511..b3a433786fabf6f2cfba2cdc8d21f6447191a310 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -394,7 +394,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable, ca.spottedl
// Paper end
public boolean isInWorldBounds(BlockPos pos) {
- return !this.isOutsideBuildHeight(pos) && Level.isInWorldBoundsHorizontal(pos);
+ return pos.isInsideBuildHeightAndWorldBoundsHorizontal(this); // Paper - use better/optimized check
}
public static boolean isInSpawnableBounds(BlockPos pos) {
diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java b/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java
index fb7bdf43fdc4d816b1c1f1f063bc170561c9544f..2822a9b010e6d45f9562950a94f1942784db9784 100644
--- a/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java
+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java
@@ -181,6 +181,7 @@ public abstract class ChunkAccess implements BlockGetter, BiomeManager.NoiseBiom
return GameEventListenerRegistry.NOOP;
}
+ public abstract BlockState getBlockState(final int x, final int y, final int z); // Paper
@Nullable
public abstract BlockState setBlockState(BlockPos pos, BlockState state, boolean moved);
diff --git a/src/main/java/net/minecraft/world/level/chunk/ImposterProtoChunk.java b/src/main/java/net/minecraft/world/level/chunk/ImposterProtoChunk.java
index 4af698930712389881601069a921f054c07935f2..d7d332d8ba3442887e80d2c3d7bddb9de2674c2d 100644
--- a/src/main/java/net/minecraft/world/level/chunk/ImposterProtoChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/ImposterProtoChunk.java
@@ -99,6 +99,12 @@ public class ImposterProtoChunk extends ProtoChunk implements ca.spottedleaf.moo
public BlockState getBlockState(BlockPos pos) {
return this.wrapped.getBlockState(pos);
}
+ // Paper start
+ @Override
+ public final BlockState getBlockState(final int x, final int y, final int z) {
+ return this.wrapped.getBlockStateFinal(x, y, z);
+ }
+ // Paper end
@Override
public FluidState getFluidState(BlockPos pos) {
diff --git a/src/main/java/net/minecraft/world/level/chunk/ProtoChunk.java b/src/main/java/net/minecraft/world/level/chunk/ProtoChunk.java
index 207dc31afcf5ca5a59ab27ee263aa10f94a79559..082eae7032d5a8055a0f67b8a5583bbbf6fa9916 100644
--- a/src/main/java/net/minecraft/world/level/chunk/ProtoChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/ProtoChunk.java
@@ -97,14 +97,18 @@ public class ProtoChunk extends ChunkAccess {
@Override
public BlockState getBlockState(BlockPos pos) {
- int i = pos.getY();
- if (this.isOutsideBuildHeight(i)) {
+ // Paper start
+ return getBlockState(pos.getX(), pos.getY(), pos.getZ());
+ }
+ public BlockState getBlockState(final int x, final int y, final int z) {
+ if (this.isOutsideBuildHeight(y)) {
return Blocks.VOID_AIR.defaultBlockState();
} else {
- LevelChunkSection levelChunkSection = this.getSection(this.getSectionIndex(i));
- return levelChunkSection.hasOnlyAir() ? Blocks.AIR.defaultBlockState() : levelChunkSection.getBlockState(pos.getX() & 15, i & 15, pos.getZ() & 15);
+ LevelChunkSection levelChunkSection = this.getSections()[this.getSectionIndex(y)];
+ return levelChunkSection.hasOnlyAir() ? Blocks.AIR.defaultBlockState() : levelChunkSection.getBlockState(x & 15, y & 15, z & 15);
}
}
+ // Paper end
@Override
public FluidState getFluidState(BlockPos pos) {