Paper/Spigot-Server-Patches/0362-Prevent-chunk-loading-from-Fluid-Flowing.patch
Aikar b62dfa0bf9
Updated Upstream (Bukkit/CraftBukkit)
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

Bukkit Changes:
39ce5d3a SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers

CraftBukkit Changes:
1cf8b5dc SPIGOT-4400: Populators running on existing chunks
116cb9a1 SPIGOT-4399: Add attribute modifier equality test
5ee1c18a SPIGOT-4398: Set ASM7_EXPERIMENTAL flag
2018-09-28 19:31:59 -04:00

80 lines
4.2 KiB
Diff

From c67be096b478f6cd80c274133e10a73f66320cb3 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 10 Sep 2018 23:36:16 -0400
Subject: [PATCH] Prevent chunk loading from Fluid Flowing
diff --git a/src/main/java/net/minecraft/server/FluidTypeFlowing.java b/src/main/java/net/minecraft/server/FluidTypeFlowing.java
index 90ba7a346f..7f16dec688 100644
--- a/src/main/java/net/minecraft/server/FluidTypeFlowing.java
+++ b/src/main/java/net/minecraft/server/FluidTypeFlowing.java
@@ -186,7 +186,8 @@ public abstract class FluidTypeFlowing extends FluidType {
EnumDirection enumdirection = (EnumDirection) entry.getKey();
Fluid fluid1 = (Fluid) entry.getValue();
BlockPosition blockposition1 = blockposition.shift(enumdirection);
- IBlockData iblockdata1 = generatoraccess.getType(blockposition1);
+ IBlockData iblockdata1 = generatoraccess.getTypeIfLoaded(blockposition1); // Paper
+ if (iblockdata1 == null) continue; // Paper
if (this.a(generatoraccess, blockposition, iblockdata, enumdirection, blockposition1, iblockdata1, generatoraccess.b(blockposition1), fluid1.c())) {
// CraftBukkit start
@@ -213,7 +214,8 @@ public abstract class FluidTypeFlowing extends FluidType {
while (iterator.hasNext()) {
EnumDirection enumdirection = (EnumDirection) iterator.next();
BlockPosition blockposition1 = blockposition.shift(enumdirection);
- IBlockData iblockdata1 = iworldreader.getType(blockposition1);
+ IBlockData iblockdata1 = iworldreader.getTypeIfLoaded(blockposition1); // Paper
+ if (iblockdata1 == null) continue; // Paper
Fluid fluid = iblockdata1.s();
if (fluid.c().a((FluidType) this) && this.a(enumdirection, (IBlockAccess) iworldreader, blockposition, iblockdata, blockposition1, iblockdata1)) {
@@ -331,11 +333,19 @@ public abstract class FluidTypeFlowing extends FluidType {
BlockPosition blockposition2 = blockposition.shift(enumdirection1);
short short0 = a(blockposition1, blockposition2);
// CraftBukkit start - decompile errors
- Pair pair = (Pair) short2objectmap.computeIfAbsent(short0, (ix) -> {
- IBlockData iblockdatax = iworldreader.getType(blockposition2);
+ // Paper start - avoid loading chunks
+ Pair<IBlockData, Fluid> pair = short2objectmap.get(short0);
+ if (pair == null) {
+ IBlockData iblockdatax = iworldreader.getTypeIfLoaded(blockposition2);
+ if (iblockdatax == null) {
+ continue;
+ }
- return Pair.of(iblockdatax, iblockdatax.s());
- });
+ pair = Pair.of(iblockdatax, iblockdatax.s());
+ short2objectmap.put(short0, pair);
+
+ }
+ // Paper end
// CraftBukkit end
IBlockData iblockdata1 = (IBlockData) pair.getFirst();
Fluid fluid = (Fluid) pair.getSecond();
@@ -411,11 +421,16 @@ public abstract class FluidTypeFlowing extends FluidType {
BlockPosition blockposition1 = blockposition.shift(enumdirection);
short short0 = a(blockposition, blockposition1);
// CraftBukkit start - decompile errors
- Pair pair = (Pair) short2objectopenhashmap.computeIfAbsent(short0, (ix) -> {
- IBlockData iblockdatax = iworldreader.getType(blockposition1);
-
- return Pair.of(iblockdatax, iblockdatax.s());
- });
+ // Paper start
+ Pair pair = (Pair) short2objectopenhashmap.get(short0);
+ if (pair == null) {
+ IBlockData iblockdatax = iworldreader.getTypeIfLoaded(blockposition1);
+ if (iblockdatax == null) continue;
+
+ pair = Pair.of(iblockdatax, iblockdatax.s());
+ short2objectopenhashmap.put(short0, pair);
+ }
+ // Paper end
// CraftBukkit end
IBlockData iblockdata1 = (IBlockData) pair.getFirst();
Fluid fluid = (Fluid) pair.getSecond();
--
2.19.0