Paper/Spigot-Server-Patches/0080-Do-not-load-chunks-for-Pathfinding.patch
Shane Freeder 0708fa363b
Updated Upstream (CraftBukkit/Spigot)
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:
eb2e6578 SPIGOT-5116: Fix concurrent modification exception inside ChunkMapDistance
989f9b3d SPIGOT-4849: Fix server crash when accessing chunks during chunk load/unload/populate events
f554183c SPIGOT-5171: Don't fire PlayerTeleportEvent if not actually moving
2349feb8 SPIGOT-5163: Cancelling PlayerBucketFillEvent visually removes the targeted block

Spigot Changes:
9a643a6a Remove DataWatcher Locking
2019-07-16 23:09:32 +01:00

95 Zeilen
5.0 KiB
Diff

From 3a28632a712e12127804f4157859dc49c0f32b36 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 ccbc1dde0..34e743716 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.getChunkIfLoadedImmediately(k, l); // Paper
}
}
@@ -91,7 +91,7 @@ public class ChunkCache implements IWorldReader {
int k = i - this.a;
int l = j - this.b;
- return k >= 0 && k < this.c.length && l >= 0 && l < this.c[k].length;
+ return k >= 0 && k < this.c.length && l >= 0 && l < this.c[k].length && this.c[k][l] != null; // Paper - We don't always load chunks
}
@Override
diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
index a9f17b031..8b05b8acd 100644
--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
@@ -22,7 +22,7 @@ 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
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 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/PathfinderNormal.java b/src/main/java/net/minecraft/server/PathfinderNormal.java
index 593f13af4..80fcb66e3 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 = iblockaccess.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 = iblockaccess.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 = iblockaccess.getTypeIfLoaded(blockposition); // Paper
+ if (iblockdata == null) return PathType.BLOCKED; // Paper
Block block = iblockdata.getBlock();
Material material = iblockdata.getMaterial();
--
2.22.0