From 73807d6a1e1c09a01de6f4c8320c9d33b8ad5bf1 Mon Sep 17 00:00:00 2001 From: Aikar 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 bf8ca9b3..7ccb3d5c 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 g; private final EntityInsentient entity; private int i; + private World world; // Paper public PathfinderGoalRemoveBlock(Block block, EntityCreature entitycreature, double d0, int i) { super(entitycreature, d0, 24, i); this.g = block; this.entity = entitycreature; + this.world = entitycreature.world; // Paper } @Override @@ -114,7 +116,9 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget { @Nullable private BlockPosition a(BlockPosition blockposition, IBlockAccess iblockaccess) { - if (iblockaccess.getType(blockposition).getBlock() == this.g) { + Block block = world.getBlockIfLoaded(blockposition); // Paper + if (block == null) return null; // Paper + if (block == this.g) { // Paper return blockposition; } else { BlockPosition[] ablockposition = new BlockPosition[]{blockposition.down(), blockposition.west(), blockposition.east(), blockposition.north(), blockposition.south(), blockposition.down().down()}; @@ -124,7 +128,7 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget { for (int j = 0; j < i; ++j) { BlockPosition blockposition1 = ablockposition1[j]; - if (iblockaccess.getType(blockposition1).getBlock() == this.g) { + if (world.getBlockIfLoaded(blockposition1) == this.g) { // Paper return blockposition1; } } @@ -135,7 +139,7 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget { @Override protected boolean a(IWorldReader iworldreader, BlockPosition blockposition) { - IChunkAccess ichunkaccess = iworldreader.getChunkAt(blockposition.getX() >> 4, blockposition.getZ() >> 4, ChunkStatus.FULL, false); + IChunkAccess ichunkaccess = iworldreader.getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4); // Paper return ichunkaccess == null ? false : ichunkaccess.getType(blockposition).getBlock() == this.g && ichunkaccess.getType(blockposition.up()).isAir() && ichunkaccess.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 d4cd5091..d6a3b993 100644 --- a/src/main/java/net/minecraft/server/RandomPositionGenerator.java +++ b/src/main/java/net/minecraft/server/RandomPositionGenerator.java @@ -109,6 +109,7 @@ public class RandomPositionGenerator { } blockposition2 = new BlockPosition((double) k1 + entitycreature.locX(), (double) l1 + entitycreature.locY(), (double) i2 + entitycreature.locZ()); + if (!entitycreature.world.isLoaded(blockposition2)) continue; // Paper if (blockposition2.getY() >= 0 && blockposition2.getY() <= entitycreature.world.getBuildHeight() && (!flag3 || entitycreature.a(blockposition2)) && (!flag2 || navigationabstract.a(blockposition2))) { if (flag1) { blockposition2 = a(blockposition2, random.nextInt(l + 1) + i1, entitycreature.world.getBuildHeight(), (blockposition3) -> { @@ -116,7 +117,8 @@ public class RandomPositionGenerator { }); } - if (flag || !entitycreature.world.getFluid(blockposition2).a(TagsFluid.WATER)) { + Fluid fluid = entitycreature.world.getFluidIfLoaded(blockposition2); // Paper + if (flag || (fluid != null && !fluid.a(TagsFluid.WATER))) { // Paper PathType pathtype = PathfinderNormal.b(entitycreature.world, blockposition2.getX(), blockposition2.getY(), blockposition2.getZ()); if (entitycreature.a(pathtype) == 0.0F) { -- 2.25.1.windows.1