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4800d2da2a
Paper/Spigot-Server-Patches/0080-Do-not-load-chunks-for-Pathfinding.patch
Zach Brown d84080e6d1
MC 1.14.1
2019-05-13 21:20:58 -05:00

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From 435410e1e7631cb7e5b169d2b0a7f6b8bad0992e Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 31 Mar 2016 19:17:58 -0400
Subject: [PATCH] Do not load chunks for Pathfinding
diff --git a/src/main/java/net/minecraft/server/ChunkCache.java b/src/main/java/net/minecraft/server/ChunkCache.java
index 2c9bf7d00..281f5f04f 100644
--- a/src/main/java/net/minecraft/server/ChunkCache.java
+++ b/src/main/java/net/minecraft/server/ChunkCache.java
@@ -25,7 +25,7 @@ public class ChunkCache implements IWorldReader {
for (k = this.a; k <= i; ++k) {
for (l = this.b; l <= j; ++l) {
- this.c[k - this.a][l - this.b] = world.getChunkAt(k, l, ChunkStatus.FULL, false);
+ this.c[k - this.a][l - this.b] = world.getChunkIfLoaded(k, l); // Paper
}
}
diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
index d04eb1bbf..4a91e0d8c 100644
--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
@@ -22,8 +22,9 @@ public abstract class NavigationAbstract {
protected long n;
protected PathfinderAbstract o;
private BlockPosition q;
- private Pathfinder r;
+ private Pathfinder r; public Pathfinder getPathfinder() { return r; } // Paper - OBFHELPER
+ private void setWorld() { if (getPathfinder() != null && getPathfinder().getPathfinder() != null) getPathfinder().getPathfinder().world = getEntity().world; } // Paper
public NavigationAbstract(EntityInsentient entityinsentient, World world) {
this.g = Vec3D.a;
this.h = Vec3D.a;
@@ -32,6 +33,7 @@ public abstract class NavigationAbstract {
this.b = world;
this.p = entityinsentient.getAttributeInstance(GenericAttributes.FOLLOW_RANGE);
this.r = this.a(MathHelper.floor(this.p.getValue() * 16.0D));
+ setWorld(); // Paper
}
public BlockPosition h() {
@@ -177,6 +179,7 @@ public abstract class NavigationAbstract {
}
public void c() {
+ setWorld(); // Paper
++this.e;
if (this.m) {
this.k();
diff --git a/src/main/java/net/minecraft/server/Pathfinder.java b/src/main/java/net/minecraft/server/Pathfinder.java
index 359d9a11c..262fa5585 100644
--- a/src/main/java/net/minecraft/server/Pathfinder.java
+++ b/src/main/java/net/minecraft/server/Pathfinder.java
@@ -12,7 +12,7 @@ public class Pathfinder {
private final Set<PathPoint> b = Sets.newHashSet();
private final PathPoint[] c = new PathPoint[32];
private final int d;
- private PathfinderAbstract e;
+ private PathfinderAbstract e; public PathfinderAbstract getPathfinder() { return this.e; } // Paper - OBFHELPER
public Pathfinder(PathfinderAbstract pathfinderabstract, int i) {
this.e = pathfinderabstract;
diff --git a/src/main/java/net/minecraft/server/PathfinderAbstract.java b/src/main/java/net/minecraft/server/PathfinderAbstract.java
index 92df34aba..e773bef61 100644
--- a/src/main/java/net/minecraft/server/PathfinderAbstract.java
+++ b/src/main/java/net/minecraft/server/PathfinderAbstract.java
@@ -7,6 +7,7 @@ public abstract class PathfinderAbstract {
protected IWorldReader a;
protected EntityInsentient b;
+ public World world; // Paper
protected final Int2ObjectMap<PathPoint> c = new Int2ObjectOpenHashMap();
protected int d;
protected int e;
@@ -19,6 +20,7 @@ public abstract class PathfinderAbstract {
public void a(IWorldReader iworldreader, EntityInsentient entityinsentient) {
this.a = iworldreader;
+ if (iworldreader instanceof World) world = (World) iworldreader; // Paper
this.b = entityinsentient;
this.c.clear();
this.d = MathHelper.d(entityinsentient.getWidth() + 1.0F);
diff --git a/src/main/java/net/minecraft/server/PathfinderNormal.java b/src/main/java/net/minecraft/server/PathfinderNormal.java
index d97166f8f..51991b8c8 100644
--- a/src/main/java/net/minecraft/server/PathfinderNormal.java
+++ b/src/main/java/net/minecraft/server/PathfinderNormal.java
@@ -355,7 +355,8 @@ public class PathfinderNormal extends PathfinderAbstract {
PathType pathtype = this.b(iblockaccess, i, j, k);
if (pathtype == PathType.OPEN && j >= 1) {
- Block block = iblockaccess.getType(new BlockPosition(i, j - 1, k)).getBlock();
+ Block block = world.getBlockIfLoaded(new BlockPosition(i, j - 1, k)); // Paper
+ if (block == null) return PathType.BLOCKED; // Paper
PathType pathtype1 = this.b(iblockaccess, i, j - 1, k);
pathtype = pathtype1 != PathType.WALKABLE && pathtype1 != PathType.OPEN && pathtype1 != PathType.WATER && pathtype1 != PathType.LAVA ? PathType.WALKABLE : PathType.OPEN;
@@ -385,9 +386,10 @@ 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_pooledblockposition.d(l + i, j, i1 + k)).getBlock();
+ Block block = world.getBlockIfLoaded(blockposition_pooledblockposition.d(l + i, j, i1 + k)); // Paper
- if (block == Blocks.CACTUS) {
+ 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;
@@ -421,7 +423,8 @@ public class PathfinderNormal extends PathfinderAbstract {
protected PathType b(IBlockAccess iblockaccess, int i, int j, int k) {
BlockPosition blockposition = new BlockPosition(i, j, 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();
--
2.21.0
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