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Paper/Spigot-Server-Patches/0359-don-t-go-below-0-for-pickupDelay-breaks-picking-up-i.patch

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Optimize Network Manager to not need synchronization Removes synchronization from sending packets Makes normal packet sends no longer need to be wrapped and queued like it use to work. Adds more packet queue immunities on top of keep alive to let the following scenarios go out without delay: - Keep Alive - Chat - Kick - All of the packets during the Player Joined World event Hoping that latter one helps join timeout issues more too for slow connections. Removes processing packet queue off of main thread - for the few cases where it is allowed, order is not necessary nor should it even be happening concurrently in first place (handshaking/login/status) Ensures packets sent asynchronously are dispatched on main thread This helps ensure safety for ProtocolLib as packet listeners are commonly accessing world state. This will allow you to schedule a packet to be sent async, but itll be dispatched sync for packet listeners to process. This should solve some deadlock risks This may provide a decent performance improvement because thread synchronization incurs a cache reset so by avoiding ever entering a synchronized block, we get to avoid that, and packet sending is a really hot activity.
2020-05-06 09:22:03 +00:00
From 1b3e4940f789fd007e51ab14997b1f6d12ae5bdb Mon Sep 17 00:00:00 2001
don't go below 0 for pickupDelay, breaks picking up items vanilla checks for == 0 Fixes #1911
2019-03-24 22:12:56 +00:00
From: Aikar <aikar@aikar.co>
Date: Sun, 24 Mar 2019 18:09:20 -0400
Subject: [PATCH] don't go below 0 for pickupDelay, breaks picking up items
vanilla checks for == 0
diff --git a/src/main/java/net/minecraft/server/EntityItem.java b/src/main/java/net/minecraft/server/EntityItem.java
Optimize Network Manager to not need synchronization Removes synchronization from sending packets Makes normal packet sends no longer need to be wrapped and queued like it use to work. Adds more packet queue immunities on top of keep alive to let the following scenarios go out without delay: - Keep Alive - Chat - Kick - All of the packets during the Player Joined World event Hoping that latter one helps join timeout issues more too for slow connections. Removes processing packet queue off of main thread - for the few cases where it is allowed, order is not necessary nor should it even be happening concurrently in first place (handshaking/login/status) Ensures packets sent asynchronously are dispatched on main thread This helps ensure safety for ProtocolLib as packet listeners are commonly accessing world state. This will allow you to schedule a packet to be sent async, but itll be dispatched sync for packet listeners to process. This should solve some deadlock risks This may provide a decent performance improvement because thread synchronization incurs a cache reset so by avoiding ever entering a synchronized block, we get to avoid that, and packet sending is a really hot activity.
2020-05-06 09:22:03 +00:00
index e5c9bac88a5..ef2cf6565b5 100644
don't go below 0 for pickupDelay, breaks picking up items vanilla checks for == 0 Fixes #1911
2019-03-24 22:12:56 +00:00
--- a/src/main/java/net/minecraft/server/EntityItem.java
+++ b/src/main/java/net/minecraft/server/EntityItem.java
Houston, we got a patch (#2731) * Houston, we got a patch * is this the end of the beginning or the beginning of the end
2019-12-12 16:20:43 +00:00
@@ -60,6 +60,7 @@ public class EntityItem extends Entity {
don't go below 0 for pickupDelay, breaks picking up items vanilla checks for == 0 Fixes #1911
2019-03-24 22:12:56 +00:00
// CraftBukkit start - Use wall time for pickup and despawn timers
int elapsedTicks = MinecraftServer.currentTick - this.lastTick;
if (this.pickupDelay != 32767) this.pickupDelay -= elapsedTicks;
+ this.pickupDelay = Math.max(0, this.pickupDelay); // Paper - don't go below 0
if (this.age != -32768) this.age += elapsedTicks;
this.lastTick = MinecraftServer.currentTick;
// CraftBukkit end
Houston, we got a patch (#2731) * Houston, we got a patch * is this the end of the beginning or the beginning of the end
2019-12-12 16:20:43 +00:00
@@ -146,6 +147,7 @@ public class EntityItem extends Entity {
missed a spot for pickupDelay fix
2019-03-24 22:15:39 +00:00
// CraftBukkit start - Use wall time for pickup and despawn timers
int elapsedTicks = MinecraftServer.currentTick - this.lastTick;
if (this.pickupDelay != 32767) this.pickupDelay -= elapsedTicks;
+ this.pickupDelay = Math.max(0, this.pickupDelay); // Paper - don't go below 0
if (this.age != -32768) this.age += elapsedTicks;
this.lastTick = MinecraftServer.currentTick;
// CraftBukkit end
don't go below 0 for pickupDelay, breaks picking up items vanilla checks for == 0 Fixes #1911
2019-03-24 22:12:56 +00:00
--
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 22:03:47 +00:00
2.26.2
don't go below 0 for pickupDelay, breaks picking up items vanilla checks for == 0 Fixes #1911
2019-03-24 22:12:56 +00:00
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