Paper/Spigot-Server-Patches/0351-Prevent-Mob-AI-Rules-from-Loading-Chunks.patch
Shane Freeder ea855e2b46 Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Developers!: You will need to clean up your work/Minecraft/1.13.2 folder
for this

Also, restore a patch that was dropped in the last upstream

Bukkit Changes:
279eeab3 Fix command description not being set
96e2bb18 Remove debug print from SyntheticEventTest

CraftBukkit Changes:
d3ed1516 Fix dangerously threaded beacons
217a293d Don't relocate joptsimple to allow --help to work.
1be05a21 Prepare for imminent Java 12 release
a49270b2 Mappings Update
5259d80c SPIGOT-4669: Fix PlayerTeleportEvent coordinates for relative teleports

Spigot Changes:
e6eb36f2 Rebuild patches
2019-03-20 01:55:16 +00:00

101 lines
4.8 KiB
Diff

From b9d64587ae8fa0d608b6d970b08368113e8f73aa Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 10 Sep 2018 23:56:36 -0400
Subject: [PATCH] Prevent Mob AI Rules from Loading Chunks
diff --git a/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java b/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java
index 2b15aa6c9..3ca32123b 100644
--- a/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java
+++ b/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java
@@ -12,11 +12,13 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
private final Block f;
private final EntityInsentient entity;
private int h;
+ private World world; // Paper
public PathfinderGoalRemoveBlock(Block block, EntityCreature entitycreature, double d0, int i) {
super(entitycreature, d0, 24, i);
this.f = block;
this.entity = entitycreature;
+ this.world = entitycreature.world; // Paper
}
public boolean a() {
@@ -99,7 +101,9 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
@Nullable
private BlockPosition a(BlockPosition blockposition, IBlockAccess iblockaccess) {
- if (iblockaccess.getType(blockposition).getBlock() == this.f) {
+ Block block = world.getBlockIfLoaded(blockposition); // Paper
+ if (block == null) return null; // Paper
+ if (block == this.f) { // Paper
return blockposition;
} else {
BlockPosition[] ablockposition = new BlockPosition[] { blockposition.down(), blockposition.west(), blockposition.east(), blockposition.north(), blockposition.south(), blockposition.down().down()};
@@ -109,7 +113,7 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
for (int j = 0; j < i; ++j) {
BlockPosition blockposition1 = ablockposition1[j];
- if (iblockaccess.getType(blockposition1).getBlock() == this.f) {
+ if (world.getBlockIfLoaded(blockposition1) == this.f) { // Paper
return blockposition1;
}
}
@@ -119,7 +123,8 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
}
protected boolean a(IWorldReader iworldreader, BlockPosition blockposition) {
- Block block = iworldreader.getType(blockposition).getBlock();
+ Block block = world.getBlockIfLoaded(blockposition); // Paper
+ if (block == null) return false; // Paper
return block == this.f && iworldreader.getType(blockposition.up()).isAir() && iworldreader.getType(blockposition.up(2)).isAir();
}
diff --git a/src/main/java/net/minecraft/server/RandomPositionGenerator.java b/src/main/java/net/minecraft/server/RandomPositionGenerator.java
index e58fdee8b..f2c4048c2 100644
--- a/src/main/java/net/minecraft/server/RandomPositionGenerator.java
+++ b/src/main/java/net/minecraft/server/RandomPositionGenerator.java
@@ -87,6 +87,7 @@ public class RandomPositionGenerator {
}
blockposition1 = new BlockPosition((double) k1 + entitycreature.locX, (double) l1 + entitycreature.locY, (double) i2 + entitycreature.locZ);
+ if (!entitycreature.world.isLoaded(blockposition1)) continue; // Paper
if ((!flag1 || entitycreature.f(blockposition1)) && navigationabstract.a(blockposition1)) {
if (!flag) {
blockposition1 = a(blockposition1, entitycreature);
@@ -155,6 +156,7 @@ public class RandomPositionGenerator {
}
private static boolean b(BlockPosition blockposition, EntityCreature entitycreature) {
- return entitycreature.world.getFluid(blockposition).a(TagsFluid.WATER);
+ Fluid fluid = entitycreature.world.getFluidIfLoaded(blockposition); // Paper
+ return fluid != null && fluid.a(TagsFluid.WATER); // Paper
}
}
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index d12e4763a..a7302b39c 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -764,7 +764,17 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
return chunk.getType(blockposition);
}
}
+ // Paper start
+ public Fluid getFluidIfLoaded(BlockPosition blockposition) {
+ if (blockposition.isInvalidYLocation()) { // Paper
+ return getFluid(blockposition);
+ } else {
+ Chunk chunk = this.getChunkIfLoaded(blockposition);
+ return chunk != null ? chunk.getFluid(blockposition) : null;
+ }
+ }
+ // Paper end
public Fluid getFluid(BlockPosition blockposition) {
if (blockposition.isInvalidYLocation()) { // Paper
return FluidTypes.EMPTY.i();
--
2.21.0