Paper/Spigot-Server-Patches/0079-Do-not-load-chunks-for-Pathfinding.patch
Aikar 57dd397155
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:
b999860d SPIGOT-2304: Add LootGenerateEvent

CraftBukkit Changes:
77fd87e4 SPIGOT-2304: Implement LootGenerateEvent
a1a705ee SPIGOT-5566: Doused campfires & fires should call EntityChangeBlockEvent
41712edd SPIGOT-5707: PersistentDataHolder not Persistent on API dropped Item
2020-05-01 18:03:57 -04:00

88 lines
4.6 KiB
Diff

From 7177740911357c93cc743f8eaf9fbc3a1e148949 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();
--
2.26.2