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Prevent pathfinding and zombie AI from loading chunks

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Aikar 2018-09-11 00:07:19 -04:00
parent 87d59fdab4
commit c563327fa2
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GPG key ID: 401ADFC9891FAAFE
2 changed files with 134 additions and 0 deletions
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79
Spigot-Server-Patches/0367-Prevent-pathfinding-from-loading-chunks.patch Normal file
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@ -0,0 +1,79 @@
From 67fd8976c70a84758a635896026b931f58b32689 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 10 Sep 2018 23:52:28 -0400
Subject: [PATCH] Prevent pathfinding from loading chunks
diff --git a/src/main/java/net/minecraft/server/PathfinderNormal.java b/src/main/java/net/minecraft/server/PathfinderNormal.java
index 64e0b08170..58aa6df0a1 100644
--- a/src/main/java/net/minecraft/server/PathfinderNormal.java
+++ b/src/main/java/net/minecraft/server/PathfinderNormal.java
@@ -7,6 +7,7 @@ import javax.annotation.Nullable;
public class PathfinderNormal extends PathfinderAbstract {
protected float j;
+ private World world; // Paper
public PathfinderNormal() {
}
@@ -14,6 +15,7 @@ public class PathfinderNormal extends PathfinderAbstract {
public void a(IBlockAccess iblockaccess, EntityInsentient entityinsentient) {
super.a(iblockaccess, entityinsentient);
this.j = entityinsentient.a(PathType.WATER);
+ this.world = entityinsentient.world; // Paper
}
public void a() {
@@ -47,7 +49,7 @@ public class PathfinderNormal extends PathfinderAbstract {
BlockPosition blockposition2 = new BlockPosition(this.b);
PathType pathtype1 = this.a(this.b, blockposition2.getX(), i, blockposition2.getZ());
if (this.b.a(pathtype1) < 0.0F) {
- HashSet hashset = Sets.newHashSet();
+ HashSet<BlockPosition> hashset = Sets.newHashSet(); // Paper - decompile fix
hashset.add(new BlockPosition(this.b.getBoundingBox().a, (double)i, this.b.getBoundingBox().c));
hashset.add(new BlockPosition(this.b.getBoundingBox().a, (double)i, this.b.getBoundingBox().f));
hashset.add(new BlockPosition(this.b.getBoundingBox().d, (double)i, this.b.getBoundingBox().c));
@@ -233,7 +235,7 @@ public class PathfinderNormal extends PathfinderAbstract {
}
public PathType a(IBlockAccess iblockaccess, int i, int jx, int k, EntityInsentient entityinsentient, int l, int i1, int j1, boolean flag, boolean flag1) {
- EnumSet enumset = EnumSet.noneOf(PathType.class);
+ EnumSet<PathType> enumset = EnumSet.noneOf(PathType.class); // Paper - decompile fix
PathType pathtype = PathType.BLOCKED;
double d0 = (double)entityinsentient.width / 2.0D;
BlockPosition blockposition = new BlockPosition(entityinsentient);
@@ -304,7 +306,8 @@ public class PathfinderNormal extends PathfinderAbstract {
public PathType a(IBlockAccess iblockaccess, int i, int jx, int k) {
PathType pathtype = this.b(iblockaccess, i, jx, k);
if (pathtype == PathType.OPEN && jx >= 1) {
- Block block = iblockaccess.getType(new BlockPosition(i, jx - 1, k)).getBlock();
+ Block block = world.getBlockIfLoaded(new BlockPosition(i, jx - 1, k)); // Paper
+ if (block == null) return PathType.BLOCKED; // Paper
PathType pathtype1 = this.b(iblockaccess, i, jx - 1, k);
pathtype = pathtype1 != PathType.WALKABLE && pathtype1 != PathType.OPEN && pathtype1 != PathType.WATER && pathtype1 != PathType.LAVA ? PathType.WALKABLE : PathType.OPEN;
if (pathtype1 == PathType.DAMAGE_FIRE || block == Blocks.MAGMA_BLOCK) {
@@ -326,8 +329,9 @@ public class PathfinderNormal extends PathfinderAbstract {
for(int l = -1; l <= 1; ++l) {
for(int i1 = -1; i1 <= 1; ++i1) {
if (l != 0 || i1 != 0) {
- Block block = iblockaccess.getType(blockposition$b.f(l + i, jx, i1 + k)).getBlock();
- if (block == Blocks.CACTUS) {
+ Block block = world.getBlockIfLoaded(blockposition$b.f(l + i, jx, i1 + k)); // Paper
+ if (block == null) pathtype = PathType.BLOCKED; // Paper
+ else if (block == Blocks.CACTUS) { // Paper
pathtype = PathType.DANGER_CACTUS;
} else if (block == Blocks.FIRE) {
pathtype = PathType.DANGER_FIRE;
@@ -343,7 +347,8 @@ public class PathfinderNormal extends PathfinderAbstract {
protected PathType b(IBlockAccess iblockaccess, int i, int jx, int k) {
BlockPosition blockposition = new BlockPosition(i, jx, k);
- IBlockData iblockdata = iblockaccess.getType(blockposition);
+ IBlockData iblockdata = world.getTypeIfLoaded(blockposition); // Paper
+ if (iblockdata == null) return PathType.BLOCKED; // Paper
Block block = iblockdata.getBlock();
Material material = iblockdata.getMaterial();
if (iblockdata.isAir()) {
--
2.18.0

55
Spigot-Server-Patches/0368-Prevent-Mob-AI-Rules-from-Loading-Chunks.patch Normal file
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@ -0,0 +1,55 @@
From 1ca3b4fcfc301b5dbf685d5a5fcadb65fecc2e32 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 b1661693cf..2cbb6c8f91 100644
--- a/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java
+++ b/src/main/java/net/minecraft/server/PathfinderGoalRemoveBlock.java
@@ -7,11 +7,13 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
private final Block f;
private final EntityInsentient g;
private int h;
+ private World world; // Paper
public PathfinderGoalRemoveBlock(Block block, EntityCreature entitycreature, double d0, int i) {
super(entitycreature, d0, 24, i);
this.f = block;
this.g = entitycreature;
+ this.world = entitycreature.world; // Paper
}
public boolean a() {
@@ -89,13 +91,15 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
@Nullable
private BlockPosition a(BlockPosition blockposition, IBlockAccess iblockaccess) {
- if (iblockaccess.getType(blockposition).getBlock() == this.f) {
+ Block block = world.getBlockIfLoaded(blockposition); // Paper
+ if (block == null) return null; // Paper
+ if (block == this.f) { // Paper
return blockposition;
} else {
BlockPosition[] ablockposition = new BlockPosition[]{blockposition.down(), blockposition.west(), blockposition.east(), blockposition.north(), blockposition.south(), blockposition.down().down()};
for(BlockPosition blockposition1 : ablockposition) {
- if (iblockaccess.getType(blockposition1).getBlock() == this.f) {
+ if (world.getBlockIfLoaded(blockposition1) == this.f) { // Paper
return blockposition1;
}
}
@@ -105,7 +109,8 @@ public class PathfinderGoalRemoveBlock extends PathfinderGoalGotoTarget {
}
protected boolean a(IWorldReader iworldreader, BlockPosition blockposition) {
- Block block = iworldreader.getType(blockposition).getBlock();
+ Block block = world.getBlockIfLoaded(blockposition); // Paper
+ if (block == null) return false; // Paper
return block == this.f && iworldreader.getType(blockposition.up()).isAir() && iworldreader.getType(blockposition.up(2)).isAir();
}
}
--
2.18.0