112 lines
5.3 KiB
Diff
112 lines
5.3 KiB
Diff
From 496b26a50673e17f690b5a4f1e94de3fce2c5a36 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/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index b8d87bea..300c54c8 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -481,6 +481,7 @@ public class Chunk implements IChunkAccess {
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}
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}
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+ public Fluid getFluid(BlockPosition blockposition) { return b(blockposition); } // Paper - OBFHELPER
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public Fluid b(BlockPosition blockposition) {
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return this.b(blockposition.getX(), blockposition.getY(), blockposition.getZ());
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}
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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 b1661693..2cbb6c8f 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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@@ -7,11 +7,13 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
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private final Block f;
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private final EntityInsentient g;
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private int h;
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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.f = block;
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this.g = entitycreature;
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+ this.world = entitycreature.world; // Paper
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}
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public boolean a() {
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@@ -89,13 +91,15 @@ 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).getBlock() == this.f) {
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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 == this.f) { // 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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for(BlockPosition blockposition1 : ablockposition) {
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- if (iblockaccess.getType(blockposition1).getBlock() == this.f) {
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+ if (world.getBlockIfLoaded(blockposition1) == this.f) { // Paper
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return blockposition1;
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}
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}
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@@ -105,7 +109,8 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
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}
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protected boolean a(IWorldReader iworldreader, BlockPosition blockposition) {
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- Block block = iworldreader.getType(blockposition).getBlock();
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+ Block block = world.getBlockIfLoaded(blockposition); // Paper
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+ if (block == null) return false; // Paper
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return block == this.f && iworldreader.getType(blockposition.up()).isAir() && iworldreader.getType(blockposition.up(2)).isAir();
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}
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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 800e0046..bfa6c2ee 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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@@ -78,6 +78,7 @@ public class RandomPositionGenerator {
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}
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BlockPosition blockposition2 = new BlockPosition((double)j1 + entitycreature.locX, (double)k1 + entitycreature.locY, (double)l1 + entitycreature.locZ);
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+ if (!entitycreature.world.isLoaded(blockposition2)) continue; // Paper
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if ((!flag1 || entitycreature.f(blockposition2)) && navigationabstract.a(blockposition2)) {
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if (!flag) {
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blockposition2 = a(blockposition2, entitycreature);
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@@ -141,6 +142,7 @@ public class RandomPositionGenerator {
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}
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private static boolean b(BlockPosition blockposition, EntityCreature entitycreature) {
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- return entitycreature.world.b(blockposition).a(TagsFluid.WATER);
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+ Fluid fluid = entitycreature.world.getFluidIfLoaded(blockposition); // Paper
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+ return fluid != null && fluid.a(TagsFluid.WATER); // Paper
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}
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}
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index af7cbb5f..a2559f0c 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -763,6 +763,18 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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}
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}
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+ // Paper start
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+ public Fluid getFluidIfLoaded(BlockPosition blockposition) {
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+ if (blockposition.isInvalidYLocation()) { // Paper
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+ return getFluid(blockposition);
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+ } else {
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+ Chunk chunk = this.getChunkIfLoaded(blockposition);
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+
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+ return chunk != null ? chunk.getFluid(blockposition) : null;
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+ }
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+ }
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+ // Paper end
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+ public Fluid getFluid(BlockPosition blockposition) { return b(blockposition); } // Paper - OBFHELPER
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public Fluid b(BlockPosition blockposition) {
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if (blockposition.isInvalidYLocation()) { // Paper
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return FluidTypes.a.i();
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--
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2.19.1
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