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Paper/Spigot-Server-Patches/0283-Prevent-chunk-loading-from-Fluid-Flowing.patch
Josh Roy b31089a929
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#5325)
Upstream has released updates that appear 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:
d264e972 #591: Add option for a consumer before spawning an item
1c537fce #590: Add spawn and transform reasons for piglin zombification.

CraftBukkit Changes:
ee5006d1 #810: Add option for a consumer before spawning an item
f6a39d3c #809: Add spawn and transform reasons for piglin zombification.
0c24068a Organise imports

Spigot Changes:
bff52619 Organise imports
2021-03-08 15:12:31 -08:00

76 Zeilen
4.4 KiB
Diff

From 0000000000000000000000000000000000000000 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 9f99503a7631497fd20edb935cd3bb8b5b3cbdf7..cf9d3faabe8732d27c436f4806c727592e475f81 100644
--- a/src/main/java/net/minecraft/server/FluidTypeFlowing.java
+++ b/src/main/java/net/minecraft/server/FluidTypeFlowing.java
@@ -155,7 +155,8 @@ 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.getFluid(blockposition1), fluid1.getType())) {
// CraftBukkit start
@@ -182,7 +183,8 @@ 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.getFluid();
if (fluid.getType().a((FluidType) this) && this.a(enumdirection, (IBlockAccess) iworldreader, blockposition, iblockdata, blockposition1, iblockdata1)) {
@@ -299,11 +301,18 @@ public abstract class FluidTypeFlowing extends FluidType {
if (enumdirection1 != enumdirection) {
BlockPosition blockposition2 = blockposition.shift(enumdirection1);
short short0 = a(blockposition1, blockposition2);
- Pair<IBlockData, Fluid> pair = (Pair) short2objectmap.computeIfAbsent(short0, (k) -> {
- IBlockData iblockdata1 = 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(iblockdata1, iblockdata1.getFluid());
- });
+ pair = Pair.of(iblockdatax, iblockdatax.getFluid());
+ short2objectmap.put(short0, pair);
+ }
+ // Paper end
IBlockData iblockdata1 = (IBlockData) pair.getFirst();
Fluid fluid = (Fluid) pair.getSecond();
@@ -375,11 +384,16 @@ public abstract class FluidTypeFlowing extends FluidType {
EnumDirection enumdirection = (EnumDirection) iterator.next();
BlockPosition blockposition1 = blockposition.shift(enumdirection);
short short0 = a(blockposition, blockposition1);
- Pair<IBlockData, Fluid> pair = (Pair) short2objectmap.computeIfAbsent(short0, (j) -> {
- IBlockData iblockdata1 = iworldreader.getType(blockposition1);
-
- return Pair.of(iblockdata1, iblockdata1.getFluid());
- });
+ // Paper start
+ Pair pair = (Pair) short2objectmap.get(short0);
+ if (pair == null) {
+ IBlockData iblockdatax = iworldreader.getTypeIfLoaded(blockposition1);
+ if (iblockdatax == null) continue;
+
+ pair = Pair.of(iblockdatax, iblockdatax.getFluid());
+ short2objectmap.put(short0, pair);
+ }
+ // Paper end
IBlockData iblockdata1 = (IBlockData) pair.getFirst();
Fluid fluid = (Fluid) pair.getSecond();
Fluid fluid1 = this.a(iworldreader, blockposition1, iblockdata1);