Paper/patches/server-remapped/0286-Prevent-Mob-AI-Rules-from-Loading-Chunks.patch
Mariell Hoversholm a207d14a0e
Rename all patches to correct numbering scheme
Signed-off-by: Mariell Hoversholm <proximyst@proximyst.com>
2021-06-11 15:46:44 +02:00

84 lines
4.8 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
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/world/entity/ai/goal/RemoveBlockGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/RemoveBlockGoal.java
index 415661c61eb85ac57dd2ba81fb62f8d9df54153f..c9825bc1894904fab34bec8223adf8e343bb6623 100644
--- a/src/main/java/net/minecraft/world/entity/ai/goal/RemoveBlockGoal.java
+++ b/src/main/java/net/minecraft/world/entity/ai/goal/RemoveBlockGoal.java
@@ -29,11 +29,13 @@ public class RemoveBlockGoal extends MoveToBlockGoal {
private final Block blockToRemove;
private final Mob removerMob;
private int ticksSinceReachedGoal;
+ private Level world; // Paper
public RemoveBlockGoal(Block targetBlock, PathfinderMob mob, double speed, int maxYDifference) {
super(mob, speed, 24, maxYDifference);
this.blockToRemove = targetBlock;
this.removerMob = mob;
+ this.world = mob.level; // Paper
}
@Override
@@ -131,7 +133,9 @@ public class RemoveBlockGoal extends MoveToBlockGoal {
@Nullable
private BlockPos getPosWithBlock(BlockPos pos, BlockGetter world) {
- if (world.getBlockState(pos).is(this.blockToRemove)) {
+ Block block = world.getBlockIfLoaded(pos); // Paper
+ if (block == null) return null; // Paper
+ if (block.is(this.blockToRemove)) { // Paper
return pos;
} else {
BlockPos[] ablockposition = new BlockPos[]{pos.below(), pos.west(), pos.east(), pos.north(), pos.south(), pos.below().below()};
@@ -141,7 +145,7 @@ public class RemoveBlockGoal extends MoveToBlockGoal {
for (int j = 0; j < i; ++j) {
BlockPos blockposition1 = ablockposition1[j];
- if (world.getBlockState(blockposition1).is(this.blockToRemove)) {
+ if (world.getBlockIfLoaded(blockposition1).is(this.blockToRemove)) { // Paper
return blockposition1;
}
}
@@ -152,7 +156,7 @@ public class RemoveBlockGoal extends MoveToBlockGoal {
@Override
protected boolean isValidTarget(LevelReader world, BlockPos pos) {
- ChunkAccess ichunkaccess = world.getChunk(pos.getX() >> 4, pos.getZ() >> 4, ChunkStatus.FULL, false);
+ ChunkAccess ichunkaccess = world.getChunkIfLoadedImmediately(pos.getX() >> 4, pos.getZ() >> 4); // Paper
return ichunkaccess == null ? false : ichunkaccess.getBlockState(pos).is(this.blockToRemove) && ichunkaccess.getBlockState(pos.above()).isAir() && ichunkaccess.getBlockState(pos.above(2)).isAir();
}
diff --git a/src/main/java/net/minecraft/world/entity/ai/util/RandomPos.java b/src/main/java/net/minecraft/world/entity/ai/util/RandomPos.java
index 246cbddb23781e323d022db2fbeef72c9eeaad2b..55d484fd4774cfad8f8ba3263b387243540e31b1 100644
--- a/src/main/java/net/minecraft/world/entity/ai/util/RandomPos.java
+++ b/src/main/java/net/minecraft/world/entity/ai/util/RandomPos.java
@@ -13,6 +13,7 @@ import net.minecraft.util.Mth;
import net.minecraft.world.entity.PathfinderMob;
import net.minecraft.world.entity.ai.navigation.PathNavigation;
import net.minecraft.world.level.BlockGetter;
+import net.minecraft.world.level.material.FluidState;
import net.minecraft.world.level.pathfinder.BlockPathTypes;
import net.minecraft.world.level.pathfinder.WalkNodeEvaluator;
import net.minecraft.world.phys.Vec3;
@@ -128,6 +129,7 @@ public class RandomPos {
}
blockposition2 = new BlockPos((double) k1 + mob.getX(), (double) l1 + mob.getY(), (double) i2 + mob.getZ());
+ if (!mob.level.hasChunkAt(blockposition2)) continue; // Paper
if (blockposition2.getY() >= 0 && blockposition2.getY() <= mob.level.getMaxBuildHeight() && (!flag3 || mob.isWithinRestriction(blockposition2)) && (!validPositionsOnly || navigationabstract.isStableDestination(blockposition2))) {
if (aboveGround) {
blockposition2 = moveUpToAboveSolid(blockposition2, random.nextInt(distanceAboveGroundRange + 1) + minDistanceAboveGround, mob.level.getMaxBuildHeight(), (blockposition3) -> {
@@ -135,7 +137,8 @@ public class RandomPos {
});
}
- if (notInWater || !mob.level.getFluidState(blockposition2).is((Tag) FluidTags.WATER)) {
+ FluidState fluid = mob.level.getFluidIfLoaded(blockposition2); // Paper
+ if (notInWater || (fluid != null && !fluid.is((Tag) FluidTags.WATER))) { // Paper
BlockPathTypes pathtype = WalkNodeEvaluator.getBlockPathTypeStatic((BlockGetter) mob.level, blockposition2.mutable());
if (mob.getPathfindingMalus(pathtype) == 0.0F) {