84 lines
5.0 KiB
Diff
84 lines
5.0 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/world/entity/ai/goal/PathfinderGoalRemoveBlock.java b/src/main/java/net/minecraft/world/entity/ai/goal/PathfinderGoalRemoveBlock.java
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index b5c7b39a49afae1089a293b9b06bdd94deed1f64..61a62c093b24c43064f116630d85096159e082d3 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/goal/PathfinderGoalRemoveBlock.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/goal/PathfinderGoalRemoveBlock.java
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@@ -30,11 +30,13 @@ 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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@@ -132,7 +134,9 @@ 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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@@ -142,7 +146,7 @@ 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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@@ -153,7 +157,7 @@ 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/world/entity/ai/util/RandomPositionGenerator.java b/src/main/java/net/minecraft/world/entity/ai/util/RandomPositionGenerator.java
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index 129ea3857969ddb99e15ae817ee3eec67b4c3ccf..f9c40c8223109a9a40e7e7523c8f1f2e5aeddba1 100644
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--- a/src/main/java/net/minecraft/world/entity/ai/util/RandomPositionGenerator.java
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+++ b/src/main/java/net/minecraft/world/entity/ai/util/RandomPositionGenerator.java
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@@ -13,6 +13,7 @@ import net.minecraft.util.MathHelper;
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import net.minecraft.world.entity.EntityCreature;
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import net.minecraft.world.entity.ai.navigation.NavigationAbstract;
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import net.minecraft.world.level.IBlockAccess;
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+import net.minecraft.world.level.material.Fluid;
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import net.minecraft.world.level.pathfinder.PathType;
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import net.minecraft.world.level.pathfinder.PathfinderNormal;
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import net.minecraft.world.phys.Vec3D;
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@@ -128,6 +129,7 @@ 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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@@ -135,7 +137,8 @@ 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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