mirror of
https://github.com/PaperMC/Paper.git
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4e958e229f
Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com> Co-authored-by: zml <zml@stellardrift.ca> Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com>
75 lines
4.5 KiB
Diff
75 lines
4.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 10 Sep 2018 23:56:36 -0400
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Subject: [PATCH] Prevent Mob AI Rules from Loading Chunks
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diff --git a/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java b/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java
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index 537e7224b9f9dbbe107537c5d7ef9d3bb4cbb422..c03ebbc933197be3e7097ea3f7b7cd08c90db7bb 100644
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--- a/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java
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+++ b/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java
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@@ -12,11 +12,13 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
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private final Block g;
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private final EntityInsentient entity;
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private int i;
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+ private World world; // Paper
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public PathfinderGoalRemoveBlock(Block block, EntityCreature entitycreature, double d0, int i) {
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super(entitycreature, d0, 24, i);
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this.g = block;
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this.entity = entitycreature;
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+ this.world = entitycreature.world; // Paper
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}
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@Override
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@@ -114,7 +116,9 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
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@Nullable
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private BlockPosition a(BlockPosition blockposition, IBlockAccess iblockaccess) {
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- if (iblockaccess.getType(blockposition).a(this.g)) {
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+ Block block = world.getBlockIfLoaded(blockposition); // Paper
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+ if (block == null) return null; // Paper
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+ if (block.a(this.g)) { // Paper
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return blockposition;
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} else {
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BlockPosition[] ablockposition = new BlockPosition[]{blockposition.down(), blockposition.west(), blockposition.east(), blockposition.north(), blockposition.south(), blockposition.down().down()};
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@@ -124,7 +128,7 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
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for (int j = 0; j < i; ++j) {
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BlockPosition blockposition1 = ablockposition1[j];
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- if (iblockaccess.getType(blockposition1).a(this.g)) {
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+ if (iblockaccess.getBlockIfLoaded(blockposition1).a(this.g)) { // Paper
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return blockposition1;
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}
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}
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@@ -135,7 +139,7 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
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@Override
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protected boolean a(IWorldReader iworldreader, BlockPosition blockposition) {
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- IChunkAccess ichunkaccess = iworldreader.getChunkAt(blockposition.getX() >> 4, blockposition.getZ() >> 4, ChunkStatus.FULL, false);
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+ IChunkAccess ichunkaccess = iworldreader.getChunkIfLoadedImmediately(blockposition.getX() >> 4, blockposition.getZ() >> 4); // Paper
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return ichunkaccess == null ? false : ichunkaccess.getType(blockposition).a(this.g) && ichunkaccess.getType(blockposition.up()).isAir() && ichunkaccess.getType(blockposition.up(2)).isAir();
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}
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diff --git a/src/main/java/net/minecraft/server/RandomPositionGenerator.java b/src/main/java/net/minecraft/server/RandomPositionGenerator.java
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index 8dc028a4b1f5cf7bac0e3f1319bca5b5eb0e2482..aaa89a39bf697bd0f3354005b428d858f065f66b 100644
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--- a/src/main/java/net/minecraft/server/RandomPositionGenerator.java
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+++ b/src/main/java/net/minecraft/server/RandomPositionGenerator.java
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@@ -116,6 +116,7 @@ public class RandomPositionGenerator {
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}
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blockposition2 = new BlockPosition((double) k1 + entitycreature.locX(), (double) l1 + entitycreature.locY(), (double) i2 + entitycreature.locZ());
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+ if (!entitycreature.world.isLoaded(blockposition2)) continue; // Paper
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if (blockposition2.getY() >= 0 && blockposition2.getY() <= entitycreature.world.getBuildHeight() && (!flag3 || entitycreature.a(blockposition2)) && (!flag2 || navigationabstract.a(blockposition2))) {
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if (flag1) {
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blockposition2 = a(blockposition2, random.nextInt(l + 1) + i1, entitycreature.world.getBuildHeight(), (blockposition3) -> {
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@@ -123,7 +124,8 @@ public class RandomPositionGenerator {
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});
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}
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- if (flag || !entitycreature.world.getFluid(blockposition2).a((Tag) TagsFluid.WATER)) {
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+ Fluid fluid = entitycreature.world.getFluidIfLoaded(blockposition2); // Paper
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+ if (flag || (fluid != null && !fluid.a((Tag) TagsFluid.WATER))) { // Paper
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PathType pathtype = PathfinderNormal.a((IBlockAccess) entitycreature.world, blockposition2.i());
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if (entitycreature.a(pathtype) == 0.0F) {
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