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papermc/Spigot-Server-Patches/0022-Optimize-TileEntity-Ticking.patch
Aikar b2d81e21c5
Improve Chunk Prioritization and Internal Scheduler 
In previous MC versions, we had a rather simple internal scheduler
for delayed tasks that would just keep pushing task back until desired
tick was reached.

The method it called to schedule the task changed behavior in 1.14, and now
this scheduler is not working nowhere near what it was supposed to be doing.

This was causing long delayed task to eat up CPU (In Oversleep for example)

Rewrite this to just use the CraftScheduler for scheduling delayed tasks.

Once this was fixed, it became quite clear the code that delayed ticket
additions for chunks based on distance was clearly not right, as it was
tested on the previous broken logic.

So the ticket delay process has been vastly revamped to be even smarter.
Chunks behind the player can load slower than the chunks in front of the player.
We also can delay ticket adding until one of its neighbors has loaded, as
this lets us get a smoother spiral out for the chunks (minus frustum intent).

Additionally on frustum previous commit inadvertently broke frustum trying to
fix an issue when the real fix lied elsewhere, so restore chunk priority so
it works again.
2020-06-09 03:17:25 -04:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 8 Mar 2015 22:55:25 -0600
Subject: [PATCH] Optimize TileEntity Ticking
diff --git a/src/main/java/net/minecraft/server/TileEntityChest.java b/src/main/java/net/minecraft/server/TileEntityChest.java
index 35f4dc75fbc7cccc80453f279a08b286ab32a25a..eb2b6ff8fd86233c434882c69a8890adc9861d4b 100644
--- a/src/main/java/net/minecraft/server/TileEntityChest.java
+++ b/src/main/java/net/minecraft/server/TileEntityChest.java
@@ -7,7 +7,7 @@ import org.bukkit.craftbukkit.entity.CraftHumanEntity;
import org.bukkit.entity.HumanEntity;
// CraftBukkit end
-public class TileEntityChest extends TileEntityLootable implements ITickable {
+public class TileEntityChest extends TileEntityLootable { // Paper - Remove ITickable
private NonNullList<ItemStack> items;
protected float a;
@@ -84,22 +84,31 @@ public class TileEntityChest extends TileEntityLootable implements ITickable {
return nbttagcompound;
}
- @Override
public void tick() {
int i = this.position.getX();
int j = this.position.getY();
int k = this.position.getZ();
++this.j;
- this.viewingCount = a(this.world, this, this.j, i, j, k, this.viewingCount);
+ }
+
+ public void doOpenLogic() {
+ int i = this.position.getX();
+ int j = this.position.getY();
+ int k = this.position.getZ();
+
+ //this.viewingCount = a(this.world, this, this.j, i, j, k, this.viewingCount); // Paper - check is faulty given our logic is called before active container set
this.b = this.a;
float f = 0.1F;
if (this.viewingCount > 0 && this.a == 0.0F) {
this.a(SoundEffects.BLOCK_CHEST_OPEN);
}
+ }
- if (this.viewingCount == 0 && this.a > 0.0F || this.viewingCount > 0 && this.a < 1.0F) {
+ public void doCloseLogic() {
+ if (this.viewingCount == 0 /* && this.a > 0.0F || this.viewingCount > 0 && this.a < 1.0F */) { // Paper - disable all but player count check
+ /* // Paper - disable animation stuff
float f1 = this.a;
if (this.viewingCount > 0) {
@@ -115,8 +124,11 @@ public class TileEntityChest extends TileEntityLootable implements ITickable {
float f2 = 0.5F;
if (this.a < 0.5F && f1 >= 0.5F) {
- this.a(SoundEffects.BLOCK_CHEST_CLOSE);
- }
+ */
+ MCUtil.scheduleTask(10, () -> {
+ this.a(SoundEffects.BLOCK_CHEST_CLOSE);
+ }, "Chest Sounds");
+ //} // Paper end
if (this.a < 0.0F) {
this.a = 0.0F;
@@ -155,6 +167,7 @@ public class TileEntityChest extends TileEntityLootable implements ITickable {
}
private void a(SoundEffect soundeffect) {
+ if (!this.getBlock().hasProperty(BlockChest.c)) { return; } // Paper - this can be delayed, double check exists - Fixes GH-2074
BlockPropertyChestType blockpropertychesttype = (BlockPropertyChestType) this.getBlock().get(BlockChest.c);
if (blockpropertychesttype != BlockPropertyChestType.LEFT) {
@@ -193,6 +206,7 @@ public class TileEntityChest extends TileEntityLootable implements ITickable {
++this.viewingCount;
if (this.world == null) return; // CraftBukkit
+ doOpenLogic(); // Paper
// CraftBukkit start - Call redstone event
if (this.getBlock().getBlock() == Blocks.TRAPPED_CHEST) {
@@ -215,6 +229,7 @@ public class TileEntityChest extends TileEntityLootable implements ITickable {
--this.viewingCount;
// CraftBukkit start - Call redstone event
+ doCloseLogic(); // Paper
if (this.getBlock().getBlock() == Blocks.TRAPPED_CHEST) {
int newPower = Math.max(0, Math.min(15, this.viewingCount));
diff --git a/src/main/java/net/minecraft/server/TileEntityEnderChest.java b/src/main/java/net/minecraft/server/TileEntityEnderChest.java
index 68737be5e67b52cb1f9f526b58b589ecba14dd6b..ea2d5cdd38b305563e9f979887eb455095928ec9 100644
--- a/src/main/java/net/minecraft/server/TileEntityEnderChest.java
+++ b/src/main/java/net/minecraft/server/TileEntityEnderChest.java
@@ -1,6 +1,6 @@
package net.minecraft.server;
-public class TileEntityEnderChest extends TileEntity implements ITickable {
+public class TileEntityEnderChest extends TileEntity { // Paper - Remove ITickable
public float a;
public float b;
@@ -11,18 +11,28 @@ public class TileEntityEnderChest extends TileEntity implements ITickable {
super(TileEntityTypes.ENDER_CHEST);
}
- @Override
public void tick() {
if (++this.g % 20 * 4 == 0) {
this.world.playBlockAction(this.position, Blocks.ENDER_CHEST, 1, this.c);
}
this.b = this.a;
+ /* // Paper
int i = this.position.getX();
int j = this.position.getY();
int k = this.position.getZ();
float f = 0.1F;
double d0;
+ // Paper start
+ */
+ }
+
+ private void doOpenLogic() {
+ int i = this.position.getX();
+ int j = this.position.getY();
+ int k = this.position.getZ();
+ double d0;
+ // Paper end
if (this.c > 0 && this.a == 0.0F) {
double d1 = (double) i + 0.5D;
@@ -30,8 +40,17 @@ public class TileEntityEnderChest extends TileEntity implements ITickable {
d0 = (double) k + 0.5D;
this.world.playSound((EntityHuman) null, d1, (double) j + 0.5D, d0, SoundEffects.BLOCK_ENDER_CHEST_OPEN, SoundCategory.BLOCKS, 0.5F, this.world.random.nextFloat() * 0.1F + 0.9F);
}
+ // Paper start
+ }
- if (this.c == 0 && this.a > 0.0F || this.c > 0 && this.a < 1.0F) {
+ private void doCloseLogic() {
+ int i = this.position.getX();
+ int j = this.position.getY();
+ int k = this.position.getZ();
+ double d0;
+
+ if (this.c == 0) { /* && this.a > 0.0F || this.c > 0 && this.a < 1.0F) {
+ // Paper end
float f1 = this.a;
if (this.c > 0) {
@@ -47,11 +66,14 @@ public class TileEntityEnderChest extends TileEntity implements ITickable {
float f2 = 0.5F;
if (this.a < 0.5F && f1 >= 0.5F) {
+ // Paper start
+ */
d0 = (double) i + 0.5D;
double d2 = (double) k + 0.5D;
+ MCUtil.scheduleTask(10, () -> {
this.world.playSound((EntityHuman) null, d0, (double) j + 0.5D, d2, SoundEffects.BLOCK_ENDER_CHEST_CLOSE, SoundCategory.BLOCKS, 0.5F, this.world.random.nextFloat() * 0.1F + 0.9F);
- }
+ }, "Chest Sounds");
if (this.a < 0.0F) {
this.a = 0.0F;
@@ -79,11 +101,13 @@ public class TileEntityEnderChest extends TileEntity implements ITickable {
public void d() {
++this.c;
this.world.playBlockAction(this.position, Blocks.ENDER_CHEST, 1, this.c);
+ doOpenLogic(); // Paper
}
public void f() {
--this.c;
this.world.playBlockAction(this.position, Blocks.ENDER_CHEST, 1, this.c);
+ doCloseLogic(); // Paper
}
public boolean a(EntityHuman entityhuman) {
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