From 789be1bd63158936d36e9b45a76aa49f4a59e148 Mon Sep 17 00:00:00 2001 From: Aikar 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 8a6f79908..c1ed05d9e 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.getFluid(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 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(); -- 2.20.0