Paper/Spigot-Server-Patches/0079-Do-not-load-chunks-for-Pathfinding.patch
Aikar e4d10a6d67
Updated Upstream (Bukkit/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

Bukkit Changes:
122289ff Add FaceAttachable interface to handle Grindstone facing in common with Switches
a6db750e SPIGOT-5647: ZombieVillager entity should have getVillagerType()

CraftBukkit Changes:
bbe3d58e SPIGOT-5650: Lectern.setPage(int) causes a NullPointerException
3075579f Add FaceAttachable interface to handle Grindstone facing in common with Switches
95bd4238 SPIGOT-5647: ZombieVillager entity should have getVillagerType()
4d975ac3 SPIGOT-5617: setBlockData does not work when NotPlayEvent is called by redstone current
2020-04-02 17:09:17 -04:00

88 lines
4.6 KiB
Diff

From d633e665eee335b9034539c79130481e1cdaebf4 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 53c15c1c0b..29c66b983d 100644
--- a/src/main/java/net/minecraft/server/ChunkCache.java
+++ b/src/main/java/net/minecraft/server/ChunkCache.java
@@ -27,7 +27,7 @@ public class ChunkCache implements IBlockAccess, ICollisionAccess {
for (k = this.a; k <= i; ++k) {
for (l = this.b; l <= j; ++l) {
- this.c[k - this.a][l - this.b] = ichunkprovider.a(k, l);
+ this.c[k - this.a][l - this.b] = world.getChunkIfLoadedImmediately(k, l); // Paper
}
}
diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
index 5e7158ba10..39a0c45bb0 100644
--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
@@ -28,7 +28,7 @@ public abstract class NavigationAbstract {
private BlockPosition q;
private int r;
private float s;
- private final Pathfinder t;
+ private final Pathfinder t; public Pathfinder getPathfinder() { return this.t; } // Paper - OBFHELPER
public NavigationAbstract(EntityInsentient entityinsentient, World world) {
this.g = Vec3D.a;
diff --git a/src/main/java/net/minecraft/server/Pathfinder.java b/src/main/java/net/minecraft/server/Pathfinder.java
index 6199570618..67c63cfe33 100644
--- a/src/main/java/net/minecraft/server/Pathfinder.java
+++ b/src/main/java/net/minecraft/server/Pathfinder.java
@@ -19,7 +19,7 @@ public class Pathfinder {
private final Set<PathPoint> b = Sets.newHashSet();
private final PathPoint[] c = new PathPoint[32];
private final int d;
- private final PathfinderAbstract e;
+ private final 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/PathfinderNormal.java b/src/main/java/net/minecraft/server/PathfinderNormal.java
index ef248ebcc4..4240ca81cb 100644
--- a/src/main/java/net/minecraft/server/PathfinderNormal.java
+++ b/src/main/java/net/minecraft/server/PathfinderNormal.java
@@ -365,7 +365,8 @@ public class PathfinderNormal extends PathfinderAbstract {
PathType pathtype = c(iblockaccess, i, j, k);
if (pathtype == PathType.OPEN && j >= 1) {
- Block block = iblockaccess.getType(new BlockPosition(i, j - 1, k)).getBlock();
+ Block block = iblockaccess.getBlockIfLoaded(new BlockPosition(i, j - 1, k)); // Paper
+ if (block == null) return PathType.BLOCKED; // Paper
PathType pathtype1 = c(iblockaccess, i, j - 1, k);
pathtype = pathtype1 != PathType.WALKABLE && pathtype1 != PathType.OPEN && pathtype1 != PathType.WATER && pathtype1 != PathType.LAVA ? PathType.WALKABLE : PathType.OPEN;
@@ -402,8 +403,12 @@ public class PathfinderNormal extends PathfinderAbstract {
for (int i1 = -1; i1 <= 1; ++i1) {
for (int j1 = -1; j1 <= 1; ++j1) {
if (l != 0 || j1 != 0) {
- Block block = iblockaccess.getType(blockposition_pooledblockposition.d(l + i, i1 + j, j1 + k)).getBlock();
-
+ // Paper start
+ Block block = iblockaccess.getBlockIfLoaded(blockposition_pooledblockposition.d(l + i, i1 + j, j1 + k));
+ if (block == null) {
+ pathtype = PathType.BLOCKED;
+ } else
+ // Paper end
if (block == Blocks.CACTUS) {
pathtype = PathType.DANGER_CACTUS;
} else if (block != Blocks.FIRE && block != Blocks.LAVA) {
@@ -440,7 +445,8 @@ public class PathfinderNormal extends PathfinderAbstract {
protected static PathType c(IBlockAccess iblockaccess, int i, int j, int k) {
BlockPosition blockposition = new BlockPosition(i, j, k);
- IBlockData iblockdata = iblockaccess.getType(blockposition);
+ IBlockData iblockdata = iblockaccess.getTypeIfLoaded(blockposition); // Paper
+ if (iblockdata == null) return PathType.BLOCKED; // Paper
Block block = iblockdata.getBlock();
Material material = iblockdata.getMaterial();
--
2.25.1