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Paper/Spigot-Server-Patches/0285-Prevent-Mob-AI-Rules-from-Loading-Chunks.patch
Mariell Hoversholm 654b792caf Updated Upstream (CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
a339310c #755: Fix NPE when calling getInventory() for virtual EnderChests
2577f9bf Increase outdated build delay
1dabfdc8 #754: Fix pre-1.16 serialized SkullMeta being broken on 1.16+, losing textures
2020-09-27 11:04:51 -04:00

76 Zeilen
4.5 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/server/PathfinderGoalRemoveBlock.java b/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java
index 537e7224b9f9dbbe107537c5d7ef9d3bb4cbb422..c03ebbc933197be3e7097ea3f7b7cd08c90db7bb 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).a(this.g)) {
+ Block block = world.getBlockIfLoaded(blockposition); // Paper
+ if (block == null) return null; // Paper
+ if (block.a(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).a(this.g)) {
+ if (iblockaccess.getBlockIfLoaded(blockposition1).a(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).a(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 8dc028a4b1f5cf7bac0e3f1319bca5b5eb0e2482..aaa89a39bf697bd0f3354005b428d858f065f66b 100644
--- a/src/main/java/net/minecraft/server/RandomPositionGenerator.java
+++ b/src/main/java/net/minecraft/server/RandomPositionGenerator.java
@@ -116,6 +116,7 @@ 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) -> {
@@ -123,7 +124,8 @@ public class RandomPositionGenerator {
});
}
- if (flag || !entitycreature.world.getFluid(blockposition2).a((Tag) TagsFluid.WATER)) {
+ Fluid fluid = entitycreature.world.getFluidIfLoaded(blockposition2); // Paper
+ if (flag || (fluid != null && !fluid.a((Tag) TagsFluid.WATER))) { // Paper
PathType pathtype = PathfinderNormal.a((IBlockAccess) entitycreature.world, blockposition2.i());
if (entitycreature.a(pathtype) == 0.0F) {