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Resolve crash issue by shoving chunk loads onto the next tick

This commit is contained in:
Spottedleaf 2019-07-01 14:36:31 -07:00
parent 3a2d7f2ded
commit 0a667728c8
1 changed files with 75 additions and 48 deletions
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123
Spigot-Server-Patches/0407-Anti-Xray.patch
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@ -1,11 +1,11 @@
From 1d5692a680ebc830fe090a12067d29f294205bfe Mon Sep 17 00:00:00 2001
From ca6f7c97ec5f1f366d5f42fe49360b8fc4dea510 Mon Sep 17 00:00:00 2001
From: stonar96 <minecraft.stonar96@gmail.com>
Date: Mon, 20 Aug 2018 03:03:58 +0200
Subject: [PATCH] Anti-Xray
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 58109e130..93d397d31 100644
index 58109e1308..93d397d317 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -1,7 +1,11 @@
@ -57,7 +57,7 @@ index 58109e130..93d397d31 100644
}
diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockController.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockController.java
new file mode 100644
index 000000000..2f70fcd19
index 0000000000..f7e376ce6a
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockController.java
@@ -0,0 +1,46 @@
@ -95,7 +95,7 @@ index 000000000..2f70fcd19
+ return null;
+ }
+
+ public void modifyBlocks(PacketPlayOutMapChunk packetPlayOutMapChunk, ChunkPacketInfo<IBlockData> chunkPacketInfo) {
+ public void modifyBlocks(PacketPlayOutMapChunk packetPlayOutMapChunk, ChunkPacketInfo<IBlockData> chunkPacketInfo, boolean loadChunks, Integer ticketHold) {
+ packetPlayOutMapChunk.setReady(true);
+ }
+
@ -109,10 +109,10 @@ index 000000000..2f70fcd19
+}
diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java
new file mode 100644
index 000000000..c113f71c0
index 0000000000..9d8bee5cac
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketBlockControllerAntiXray.java
@@ -0,0 +1,749 @@
@@ -0,0 +1,777 @@
+package com.destroystokyo.paper.antixray;
+
+import java.util.ArrayList;
@ -125,6 +125,7 @@ index 000000000..c113f71c0
+import java.util.function.Supplier;
+
+import net.minecraft.server.*;
+import org.bukkit.Bukkit;
+import org.bukkit.World.Environment;
+
+import com.destroystokyo.paper.PaperWorldConfig;
@ -336,28 +337,55 @@ index 000000000..c113f71c0
+ @Override
+ public ChunkPacketInfoAntiXray getChunkPacketInfo(PacketPlayOutMapChunk packetPlayOutMapChunk, Chunk chunk,
+ int chunkSectionSelector, boolean forceLoad) {
+ //Return a new instance to collect data and objects in the right state while creating the chunk packet for thread safe access later
+ int locX = chunk.getPos().x;
+ int locZ = chunk.getPos().z;
+ // Return a new instance to collect data and objects in the right state while creating the chunk packet for thread safe access later
+ // Note: As of 1.14 this has to be moved later due to the chunk system.
+
+ Integer hold = !forceLoad ? null : MCUtil.ensureMain("chunk packet creation", (Supplier<Integer>)() -> {
+ return this.addXrayTickets(chunk.getPos().x, chunk.getPos().z, (ChunkProviderServer)chunk.world.getChunkProvider());
+ });
+
+ if (forceLoad) {
+ this.loadNeighbours(chunk);// force loads now, we need them
+ }
+
+ ChunkPacketInfoAntiXray chunkPacketInfoAntiXray = new ChunkPacketInfoAntiXray(packetPlayOutMapChunk, chunk, chunkSectionSelector, this, hold);
+ chunkPacketInfoAntiXray.setNearbyChunks((Chunk)chunk.world.getChunkIfLoadedImmediately(locX - 1, locZ),
+ (Chunk)chunk.world.getChunkIfLoadedImmediately(locX + 1, locZ),
+ (Chunk)chunk.world.getChunkIfLoadedImmediately(locX, locZ - 1),
+ (Chunk)chunk.world.getChunkIfLoadedImmediately(locX, locZ + 1));
+ ChunkPacketInfoAntiXray chunkPacketInfoAntiXray = new ChunkPacketInfoAntiXray(packetPlayOutMapChunk, chunk, chunkSectionSelector, this);
+ return chunkPacketInfoAntiXray;
+ }
+
+ @Override
+ public void modifyBlocks(PacketPlayOutMapChunk packetPlayOutMapChunk, ChunkPacketInfo<IBlockData> chunkPacketInfo) {
+ public void modifyBlocks(PacketPlayOutMapChunk packetPlayOutMapChunk, ChunkPacketInfo<IBlockData> chunkPacketInfo, boolean loadChunks, Integer hold) {
+ if (!Bukkit.isPrimaryThread()) {
+ // plugins?
+ final Integer finalHold = hold;
+ MinecraftServer.getServer().scheduleOnMain(() -> {
+ this.modifyBlocks(packetPlayOutMapChunk, chunkPacketInfo, loadChunks, finalHold);
+ });
+ return;
+ }
+ Chunk chunk = chunkPacketInfo.getChunk();
+ int locX = chunk.getPos().x;
+ int locZ = chunk.getPos().z;
+ WorldServer world = (WorldServer)chunk.world;
+
+ Chunk[] chunks = new Chunk[] {
+ (Chunk)world.getChunkIfLoadedImmediately(locX - 1, locZ),
+ (Chunk)world.getChunkIfLoadedImmediately(locX + 1, locZ),
+ (Chunk)world.getChunkIfLoadedImmediately(locX, locZ - 1),
+ (Chunk)world.getChunkIfLoadedImmediately(locX, locZ + 1)
+ };
+
+ if (loadChunks) {
+ // Note: This ugly hack is to get us out of the general chunk load/unload queue to prevent deadlock
+
+ if (chunks[0] == null || chunks[1] == null || chunks[2] == null || chunks[3] == null) {
+ // we need to load
+ MinecraftServer.getServer().scheduleOnMain(() -> {
+ Integer ticketHold = this.addXrayTickets(locX, locZ, world.getChunkProvider());
+ this.loadNeighbours(chunk);
+ this.modifyBlocks(packetPlayOutMapChunk, chunkPacketInfo, false, ticketHold);
+ });
+ return;
+ }
+
+ hold = this.addXrayTickets(locX, locZ, world.getChunkProvider());
+ // fall through to normal behavior, our chunks are now loaded & have a ticket
+ }
+
+ ((ChunkPacketInfoAntiXray)chunkPacketInfo).setNearbyChunks(chunks);
+ ((ChunkPacketInfoAntiXray)chunkPacketInfo).ticketHold = hold;
+
+ if (asynchronous) {
+ executorService.submit((ChunkPacketInfoAntiXray) chunkPacketInfo);
+ } else {
@ -483,13 +511,13 @@ index 000000000..c113f71c0
+ chunkPacketInfoAntiXray.getPacketPlayOutMapChunk().setReady(true);
+
+ } finally {
+ if (chunkPacketInfoAntiXray.hold != null) {
+ if (chunkPacketInfoAntiXray.ticketHold != null) {
+ MCUtil.ensureMain(null, (Runnable) () -> {
+ Chunk chunk = chunkPacketInfoAntiXray.getChunk();
+ ChunkCoordIntPair chunkPos = chunk.getPos();
+
+ ChunkPacketBlockControllerAntiXray.this.removeXrayTickets(chunkPos.x, chunkPos.z, (ChunkProviderServer) chunk.world.getChunkProvider(),
+ chunkPacketInfoAntiXray.hold);
+ chunkPacketInfoAntiXray.ticketHold);
+ });
+ }
+ }
@ -864,7 +892,7 @@ index 000000000..c113f71c0
+}
diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfo.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfo.java
new file mode 100644
index 000000000..a68bace35
index 0000000000..a68bace353
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfo.java
@@ -0,0 +1,81 @@
@ -951,10 +979,10 @@ index 000000000..a68bace35
+}
diff --git a/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfoAntiXray.java b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfoAntiXray.java
new file mode 100644
index 000000000..c8856f1a4
index 0000000000..067dfb2f14
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/antixray/ChunkPacketInfoAntiXray.java
@@ -0,0 +1,32 @@
@@ -0,0 +1,31 @@
+package com.destroystokyo.paper.antixray;
+
+import net.minecraft.server.Chunk;
@ -965,13 +993,12 @@ index 000000000..c8856f1a4
+
+ private Chunk[] nearbyChunks;
+ private final ChunkPacketBlockControllerAntiXray chunkPacketBlockControllerAntiXray;
+ public final Integer hold;
+ public Integer ticketHold;
+
+ public ChunkPacketInfoAntiXray(PacketPlayOutMapChunk packetPlayOutMapChunk, Chunk chunk, int chunkSectionSelector,
+ ChunkPacketBlockControllerAntiXray chunkPacketBlockControllerAntiXray, Integer hold) {
+ ChunkPacketBlockControllerAntiXray chunkPacketBlockControllerAntiXray) {
+ super(packetPlayOutMapChunk, chunk, chunkSectionSelector);
+ this.chunkPacketBlockControllerAntiXray = chunkPacketBlockControllerAntiXray;
+ this.hold = hold;
+ }
+
+ public Chunk[] getNearbyChunks() {
@ -989,7 +1016,7 @@ index 000000000..c8856f1a4
+}
diff --git a/src/main/java/com/destroystokyo/paper/antixray/DataBitsReader.java b/src/main/java/com/destroystokyo/paper/antixray/DataBitsReader.java
new file mode 100644
index 000000000..cc586827a
index 0000000000..cc586827aa
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/antixray/DataBitsReader.java
@@ -0,0 +1,56 @@
@ -1051,7 +1078,7 @@ index 000000000..cc586827a
+}
diff --git a/src/main/java/com/destroystokyo/paper/antixray/DataBitsWriter.java b/src/main/java/com/destroystokyo/paper/antixray/DataBitsWriter.java
new file mode 100644
index 000000000..37093419c
index 0000000000..37093419cf
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/antixray/DataBitsWriter.java
@@ -0,0 +1,84 @@
@ -1140,7 +1167,7 @@ index 000000000..37093419c
+ }
+}
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index e2a48695d..d19412f18 100644
index e2a48695df..d19412f186 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -315,7 +315,7 @@ public class Chunk implements IChunkAccess {
@ -1153,7 +1180,7 @@ index e2a48695d..d19412f18 100644
}
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index 287f11358..f88e3d957 100644
index 287f113581..f88e3d957f 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -74,7 +74,7 @@ public class ChunkRegionLoader {
@ -1175,7 +1202,7 @@ index 287f11358..f88e3d957 100644
object = protochunk;
protochunk.a(abiomebase);
diff --git a/src/main/java/net/minecraft/server/ChunkSection.java b/src/main/java/net/minecraft/server/ChunkSection.java
index c4c181c1d..d6b327eff 100644
index c4c181c1d5..d6b327eff2 100644
--- a/src/main/java/net/minecraft/server/ChunkSection.java
+++ b/src/main/java/net/minecraft/server/ChunkSection.java
@@ -6,21 +6,31 @@ public class ChunkSection {
@ -1214,7 +1241,7 @@ index c4c181c1d..d6b327eff 100644
public IBlockData getType(int i, int j, int k) {
diff --git a/src/main/java/net/minecraft/server/DataPaletteBlock.java b/src/main/java/net/minecraft/server/DataPaletteBlock.java
index e05b9d606..cbc9dc902 100644
index e05b9d606a..cbc9dc902e 100644
--- a/src/main/java/net/minecraft/server/DataPaletteBlock.java
+++ b/src/main/java/net/minecraft/server/DataPaletteBlock.java
@@ -1,5 +1,6 @@
@ -1335,7 +1362,7 @@ index e05b9d606..cbc9dc902 100644
if (this.h == this.b) {
diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
index ba23d2833..8dcaaf867 100644
index ba23d28335..8dcaaf8676 100644
--- a/src/main/java/net/minecraft/server/NetworkManager.java
+++ b/src/main/java/net/minecraft/server/NetworkManager.java
@@ -166,8 +166,8 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
@ -1396,7 +1423,7 @@ index ba23d2833..8dcaaf867 100644
public void a() {
this.o();
diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
index ef71a1feb..04e1241e9 100644
index ef71a1feb3..483317608c 100644
--- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
+++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
@@ -1,5 +1,6 @@
@ -1450,7 +1477,7 @@ index ef71a1feb..04e1241e9 100644
this.f.add(nbttagcompound);
}
}
+ chunk.world.chunkPacketBlockController.modifyBlocks(this, chunkPacketInfo); // Paper - Anti-Xray - Modify blocks
+ chunk.world.chunkPacketBlockController.modifyBlocks(this, chunkPacketInfo, forceLoad, null); // Paper - Anti-Xray - Modify blocks
+ }
+ // Paper start - Async-Anti-Xray - Getter and Setter for the ready flag
@ -1489,7 +1516,7 @@ index ef71a1feb..04e1241e9 100644
}
diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
index 761cd1355..956a47132 100644
index 761cd1355b..956a47132f 100644
--- a/src/main/java/net/minecraft/server/PlayerChunk.java
+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
@@ -154,6 +154,11 @@ public class PlayerChunk {
@ -1514,7 +1541,7 @@ index 761cd1355..956a47132 100644
this.a(new PacketPlayOutMultiBlockChange(this.dirtyCount, this.dirtyBlocks, chunk), false);
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index 8e16d6ac8..f48633111 100644
index 8e16d6ac87..f486331118 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -491,7 +491,7 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
@ -1536,7 +1563,7 @@ index 8e16d6ac8..f48633111 100644
}
diff --git a/src/main/java/net/minecraft/server/PlayerInteractManager.java b/src/main/java/net/minecraft/server/PlayerInteractManager.java
index 83b36b3e7..8fef6008d 100644
index 83b36b3e7f..8fef6008d1 100644
--- a/src/main/java/net/minecraft/server/PlayerInteractManager.java
+++ b/src/main/java/net/minecraft/server/PlayerInteractManager.java
@@ -207,6 +207,8 @@ public class PlayerInteractManager {
@ -1549,7 +1576,7 @@ index 83b36b3e7..8fef6008d 100644
public void a(BlockPosition blockposition) {
diff --git a/src/main/java/net/minecraft/server/ProtoChunk.java b/src/main/java/net/minecraft/server/ProtoChunk.java
index 6bdd7dda0..7bad12eb0 100644
index 6bdd7dda04..7bad12eb00 100644
--- a/src/main/java/net/minecraft/server/ProtoChunk.java
+++ b/src/main/java/net/minecraft/server/ProtoChunk.java
@@ -44,16 +44,28 @@ public class ProtoChunk implements IChunkAccess {
@ -1592,7 +1619,7 @@ index 6bdd7dda0..7bad12eb0 100644
return this.j[i];
diff --git a/src/main/java/net/minecraft/server/TicketType.java b/src/main/java/net/minecraft/server/TicketType.java
index d2bf158a9..2eeae60d5 100644
index d2bf158a91..2eeae60d52 100644
--- a/src/main/java/net/minecraft/server/TicketType.java
+++ b/src/main/java/net/minecraft/server/TicketType.java
@@ -20,6 +20,7 @@ public class TicketType<T> {
@ -1604,7 +1631,7 @@ index d2bf158a9..2eeae60d5 100644
public static <T> TicketType<T> a(String s, Comparator<T> comparator) {
return new TicketType<>(s, comparator, 0L);
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index a7a35d6a6..ff6408985 100644
index 11113c9614..ae286aaf29 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -2,6 +2,8 @@ package net.minecraft.server;
@ -1641,7 +1668,7 @@ index a7a35d6a6..ff6408985 100644
if (iblockdata1 == null) {
// CraftBukkit start - remove blockstate if failed
diff --git a/src/main/java/org/bukkit/craftbukkit/generator/CraftChunkData.java b/src/main/java/org/bukkit/craftbukkit/generator/CraftChunkData.java
index 7772d5900..4570ed999 100644
index 7772d59005..4570ed9991 100644
--- a/src/main/java/org/bukkit/craftbukkit/generator/CraftChunkData.java
+++ b/src/main/java/org/bukkit/craftbukkit/generator/CraftChunkData.java
@@ -21,9 +21,11 @@ public final class CraftChunkData implements ChunkGenerator.ChunkData {
@ -1666,5 +1693,5 @@ index 7772d5900..4570ed999 100644
return section;
}
--
2.21.0
2.22.0