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Paper/Spigot-Server-Patches/0106-Faster-redstone-torch-rapid-clock-removal.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

94 Zeilen
4.5 KiB
Diff

From 3d14572f7a9ba30b0eae0daf0a239b60e3ebc457 Mon Sep 17 00:00:00 2001
From: Martin Panzer <postremus1996@googlemail.com>
Date: Mon, 23 May 2016 12:12:37 +0200
Subject: [PATCH] Faster redstone torch rapid clock removal
Only resize the the redstone torch list once, since resizing arrays / lists is costly
diff --git a/src/main/java/net/minecraft/server/BlockRedstoneTorch.java b/src/main/java/net/minecraft/server/BlockRedstoneTorch.java
index a99f979ef..919ba8a14 100644
--- a/src/main/java/net/minecraft/server/BlockRedstoneTorch.java
+++ b/src/main/java/net/minecraft/server/BlockRedstoneTorch.java
@@ -11,7 +11,7 @@ import org.bukkit.event.block.BlockRedstoneEvent; // CraftBukkit
public class BlockRedstoneTorch extends BlockTorch {
public static final BlockStateBoolean LIT = BlockProperties.r;
- private static final Map<IBlockAccess, List<BlockRedstoneTorch.RedstoneUpdateInfo>> b = new WeakHashMap();
+ // Paper - Move the mapped list to World
protected BlockRedstoneTorch(Block.Info block_info) {
super(block_info);
@@ -66,11 +66,16 @@ public class BlockRedstoneTorch extends BlockTorch {
}
public static void a(IBlockData iblockdata, World world, BlockPosition blockposition, Random random, boolean flag) {
- List list = (List) BlockRedstoneTorch.b.get(world);
+ // Paper start
+ java.util.ArrayDeque<BlockRedstoneTorch.RedstoneUpdateInfo> redstoneUpdateInfos = world.redstoneUpdateInfos;
- while (list != null && !list.isEmpty() && world.getTime() - ((BlockRedstoneTorch.RedstoneUpdateInfo) list.get(0)).b > 60L) {
- list.remove(0);
+ if (redstoneUpdateInfos != null) {
+ BlockRedstoneTorch.RedstoneUpdateInfo curr;
+ while ((curr = redstoneUpdateInfos.peek()) != null && world.getTime() - curr.getTime() > 60L) {
+ redstoneUpdateInfos.poll();
+ }
}
+ // Paper end
// CraftBukkit start
org.bukkit.plugin.PluginManager manager = world.getServer().getPluginManager();
@@ -140,9 +145,12 @@ public class BlockRedstoneTorch extends BlockTorch {
}
private static boolean a(World world, BlockPosition blockposition, boolean flag) {
- List<BlockRedstoneTorch.RedstoneUpdateInfo> list = (List) BlockRedstoneTorch.b.computeIfAbsent(world, (iblockaccess) -> {
- return Lists.newArrayList();
- });
+ // Paper start
+ java.util.ArrayDeque<BlockRedstoneTorch.RedstoneUpdateInfo> list = world.redstoneUpdateInfos;
+ if (list == null) {
+ list = world.redstoneUpdateInfos = new java.util.ArrayDeque<>();
+ }
+
if (flag) {
list.add(new BlockRedstoneTorch.RedstoneUpdateInfo(blockposition.immutableCopy(), world.getTime()));
@@ -150,9 +158,9 @@ public class BlockRedstoneTorch extends BlockTorch {
int i = 0;
- for (int j = 0; j < list.size(); ++j) {
- BlockRedstoneTorch.RedstoneUpdateInfo blockredstonetorch_redstoneupdateinfo = (BlockRedstoneTorch.RedstoneUpdateInfo) list.get(j);
-
+ for (java.util.Iterator<BlockRedstoneTorch.RedstoneUpdateInfo> iterator = list.iterator(); iterator.hasNext();) {
+ BlockRedstoneTorch.RedstoneUpdateInfo blockredstonetorch_redstoneupdateinfo = iterator.next();
+ // Paper end
if (blockredstonetorch_redstoneupdateinfo.a.equals(blockposition)) {
++i;
if (i >= 8) {
@@ -167,7 +175,7 @@ public class BlockRedstoneTorch extends BlockTorch {
public static class RedstoneUpdateInfo {
private final BlockPosition a;
- private final long b;
+ private final long b; final long getTime() { return this.b; } // Paper - OBFHELPER
public RedstoneUpdateInfo(BlockPosition blockposition, long i) {
this.a = blockposition;
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index f396ca691..4ce18f85b 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -99,6 +99,7 @@ public abstract class World implements IIBlockAccess, GeneratorAccess, AutoClose
private org.spigotmc.TickLimiter tileLimiter;
private int tileTickPosition;
public final Map<Explosion.CacheKey, Float> explosionDensityCache = new HashMap<>(); // Paper - Optimize explosions
+ public java.util.ArrayDeque<BlockRedstoneTorch.RedstoneUpdateInfo> redstoneUpdateInfos; // Paper - Move from Map in BlockRedstoneTorch to here
public CraftWorld getWorld() {
return this.world;
--
2.22.0