PaperMC/Spigot-Server-Patches/Bees-get-gravity-in-void.-Fixes-MC-167279.patch
Aikar fd5c98a9ef 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 05:22:03 -04:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Sun, 26 Jan 2020 16:30:19 -0600
Subject: [PATCH] Bees get gravity in void. Fixes MC-167279
diff --git a/src/main/java/net/minecraft/server/ControllerMove.java b/src/main/java/net/minecraft/server/ControllerMove.java
index 7e3671dae61..a5c4cbb67f0 100644
--- a/src/main/java/net/minecraft/server/ControllerMove.java
+++ b/src/main/java/net/minecraft/server/ControllerMove.java
@@ -0,0 +0,0 @@ package net.minecraft.server;
public class ControllerMove {
- protected final EntityInsentient a;
+ protected final EntityInsentient a; public EntityInsentient getEntity() { return a; } // Paper - OBFHELPER
protected double b;
protected double c;
protected double d;
diff --git a/src/main/java/net/minecraft/server/ControllerMoveFlying.java b/src/main/java/net/minecraft/server/ControllerMoveFlying.java
index 2b6ac2eeb0f..0496c0c5dbb 100644
--- a/src/main/java/net/minecraft/server/ControllerMoveFlying.java
+++ b/src/main/java/net/minecraft/server/ControllerMoveFlying.java
@@ -0,0 +0,0 @@ public class ControllerMoveFlying extends ControllerMove {
}
@Override
- public void a() {
+ public void a() { tick(); } public void tick() { // Paper - OBFHELPER
if (this.h == ControllerMove.Operation.MOVE_TO) {
this.h = ControllerMove.Operation.WAIT;
this.a.setNoGravity(true);
diff --git a/src/main/java/net/minecraft/server/EntityBee.java b/src/main/java/net/minecraft/server/EntityBee.java
index 73e01625784..c7d79efdf6e 100644
--- a/src/main/java/net/minecraft/server/EntityBee.java
+++ b/src/main/java/net/minecraft/server/EntityBee.java
@@ -0,0 +0,0 @@ public class EntityBee extends EntityAnimal implements EntityBird {
public EntityBee(EntityTypes<? extends EntityBee> entitytypes, World world) {
super(entitytypes, world);
- this.moveController = new ControllerMoveFlying(this, 20, true);
+ // Paper start - apply gravity to bees when they get stuck in the void, fixes MC-167279
+ this.moveController = new ControllerMoveFlying(this, 20, true) {
+ @Override
+ public void tick() {
+ if (getEntity().locY() <= 0) {
+ getEntity().setNoGravity(false);
+ }
+ super.tick();
+ }
+ };
+ // Paper end
this.lookController = new EntityBee.j(this);
this.a(PathType.WATER, -1.0F);
this.a(PathType.COCOA, -1.0F);
--