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From 0000000000000000000000000000000000000000 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/world/level/World.java b/src/main/java/net/minecraft/world/level/World.java
index cad86b0273c05767f78bcb3bdfaa9ea01e26af4e..d8ab2e22a5c0144decb5c657a123cc61722fcbf5 100644
--- a/src/main/java/net/minecraft/world/level/World.java
+++ b/src/main/java/net/minecraft/world/level/World.java
@@ -44,6 +44,7 @@ import net.minecraft.world.level.biome.BiomeBase;
import net.minecraft.world.level.biome.BiomeManager;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.BlockFireAbstract;
+import net.minecraft.world.level.block.BlockRedstoneTorch;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.entity.ITickable;
import net.minecraft.world.level.block.entity.TileEntity;
@@ -142,6 +143,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
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;
diff --git a/src/main/java/net/minecraft/world/level/block/BlockRedstoneTorch.java b/src/main/java/net/minecraft/world/level/block/BlockRedstoneTorch.java
index 8142c0be2978d8975612488b17da9c2e25f3b5dd..6771c16b4228c1495950484422b73928f6184929 100644
--- a/src/main/java/net/minecraft/world/level/block/BlockRedstoneTorch.java
+++ b/src/main/java/net/minecraft/world/level/block/BlockRedstoneTorch.java
@@ -22,7 +22,7 @@ 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(BlockBase.Info blockbase_info) {
super(blockbase_info, ParticleParamRedstone.a);
@@ -69,11 +69,15 @@ public class BlockRedstoneTorch extends BlockTorch {
@Override
public void tickAlways(IBlockData iblockdata, WorldServer worldserver, BlockPosition blockposition, Random random) {
boolean flag = this.a((World) worldserver, blockposition, iblockdata);
- List list = (List) BlockRedstoneTorch.b.get(worldserver);
-
- while (list != null && !list.isEmpty() && worldserver.getTime() - ((BlockRedstoneTorch.RedstoneUpdateInfo) list.get(0)).b > 60L) {
- list.remove(0);
+ // Paper start
+ java.util.ArrayDeque<BlockRedstoneTorch.RedstoneUpdateInfo> redstoneUpdateInfos = worldserver.redstoneUpdateInfos;
+ if (redstoneUpdateInfos != null) {
+ BlockRedstoneTorch.RedstoneUpdateInfo curr;
+ while ((curr = redstoneUpdateInfos.peek()) != null && worldserver.getTime() - curr.getTime() > 60L) {
+ redstoneUpdateInfos.poll();
+ }
}
+ // Paper end
// CraftBukkit start
org.bukkit.plugin.PluginManager manager = worldserver.getServer().getPluginManager();
@@ -138,9 +142,12 @@ 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()));
@@ -148,9 +155,9 @@ 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) {
@@ -165,7 +172,7 @@ 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;
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