mirror of
https://github.com/PaperMC/Paper.git
synced 2024-11-06 10:49:40 +01:00
1ab021ddca
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:
565a5727 #533: Add consumed item, hand and consumeItem boolean to EntityShootBowEvent
CraftBukkit Changes:
927200a9 #718: Add consumed item, hand and consumeItem boolean to EntityShootBowEvent
108 lines
5.6 KiB
Diff
108 lines
5.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sat, 18 Jun 2016 23:22:12 -0400
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Subject: [PATCH] Delay Chunk Unloads based on Player Movement
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When players are moving in the world, doing things such as building or exploring,
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they will commonly go back and forth in a small area. This causes a ton of chunk load
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and unload activity on the edge chunks of their view distance.
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A simple back and forth movement in 6 blocks could spam a chunk to thrash a
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loading and unload cycle over and over again.
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This is very wasteful. This system introduces a delay of inactivity on a chunk
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before it actually unloads, which will be handled by the ticket expiry process.
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This allows servers with smaller worlds who do less long distance exploring to stop
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wasting cpu cycles on saving/unloading/reloading chunks repeatedly.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index 6a62f2000a58312773a8cb57c546d65df980b844..e1f943507de05f9f9559b8625342a02d9b8a51d6 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -623,4 +623,13 @@ public class PaperWorldConfig {
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private void viewDistance() {
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this.noTickViewDistance = this.getInt("viewdistances.no-tick-view-distance", -1);
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}
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+
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+ public long delayChunkUnloadsBy;
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+ private void delayChunkUnloadsBy() {
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+ delayChunkUnloadsBy = PaperConfig.getSeconds(getString("delay-chunk-unloads-by", "10s"));
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+ if (delayChunkUnloadsBy > 0) {
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+ log("Delaying chunk unloads by " + delayChunkUnloadsBy + " seconds");
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+ delayChunkUnloadsBy *= 20;
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+ }
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/ChunkMapDistance.java b/src/main/java/net/minecraft/server/ChunkMapDistance.java
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index 09fec533d7feebb90e989007dd19c952823550ba..3c7b225edbe23dc1959002293a6f8b816287b5a8 100644
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--- a/src/main/java/net/minecraft/server/ChunkMapDistance.java
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+++ b/src/main/java/net/minecraft/server/ChunkMapDistance.java
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@@ -176,6 +176,27 @@ public abstract class ChunkMapDistance {
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boolean removed = false; // CraftBukkit
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if (arraysetsorted.remove(ticket)) {
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removed = true; // CraftBukkit
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+ // Paper start - delay chunk unloads for player tickets
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+ long delayChunkUnloadsBy = chunkMap.world.paperConfig.delayChunkUnloadsBy;
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+ if (ticket.getTicketType() == TicketType.PLAYER && delayChunkUnloadsBy > 0) {
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+ boolean hasPlayer = false;
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+ for (Ticket<?> ticket1 : arraysetsorted) {
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+ if (ticket1.getTicketType() == TicketType.PLAYER) {
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+ hasPlayer = true;
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+ break;
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+ }
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+ }
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+ PlayerChunk playerChunk = chunkMap.getUpdatingChunk(i);
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+ if (!hasPlayer && playerChunk != null && playerChunk.isFullChunkReady()) {
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+ Ticket<Long> delayUnload = new Ticket<Long>(TicketType.DELAY_UNLOAD, 33, i);
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+ delayUnload.delayUnloadBy = delayChunkUnloadsBy;
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+ delayUnload.setCurrentTick(this.currentTick);
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+ arraysetsorted.remove(delayUnload);
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+ // refresh ticket
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+ arraysetsorted.add(delayUnload);
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+ }
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+ }
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+ // Paper end
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}
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if (arraysetsorted.isEmpty()) {
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diff --git a/src/main/java/net/minecraft/server/Ticket.java b/src/main/java/net/minecraft/server/Ticket.java
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index b5030d6f5d917ba33fb3c40903384fa7a56bc5f1..e41cb8613efc86499dfe3be36c9130ab6dc9b89e 100644
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--- a/src/main/java/net/minecraft/server/Ticket.java
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+++ b/src/main/java/net/minecraft/server/Ticket.java
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@@ -9,11 +9,13 @@ public final class Ticket<T> implements Comparable<Ticket<?>> {
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public final T identifier; public final T getObjectReason() { return this.identifier; } // Paper - OBFHELPER
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private long d; public final long getCreationTick() { return this.d; } // Paper - OBFHELPER
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public int priority = 0; // Paper
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+ public long delayUnloadBy; // Paper
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protected Ticket(TicketType<T> tickettype, int i, T t0) {
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this.a = tickettype;
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this.b = i;
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this.identifier = t0;
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+ this.delayUnloadBy = tickettype.loadPeriod; // Paper
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}
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public int compareTo(Ticket<?> ticket) {
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@@ -63,7 +65,7 @@ public final class Ticket<T> implements Comparable<Ticket<?>> {
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}
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protected boolean b(long i) {
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- long j = this.a.b();
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+ long j = delayUnloadBy; // Paper
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return j != 0L && i - this.d > j;
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}
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diff --git a/src/main/java/net/minecraft/server/TicketType.java b/src/main/java/net/minecraft/server/TicketType.java
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index 6fd852db6bcfbfbf84ec2acf6d23b08a6051165c..5c789b25f1df2eae8ea8ceb4ba977ba336fe6d5e 100644
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--- a/src/main/java/net/minecraft/server/TicketType.java
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+++ b/src/main/java/net/minecraft/server/TicketType.java
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@@ -26,6 +26,7 @@ public class TicketType<T> {
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public static final TicketType<Long> ASYNC_LOAD = a("async_load", Long::compareTo); // Paper
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public static final TicketType<ChunkCoordIntPair> PRIORITY = a("priority", Comparator.comparingLong(ChunkCoordIntPair::pair), 300); // Paper
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public static final TicketType<ChunkCoordIntPair> URGENT = a("urgent", Comparator.comparingLong(ChunkCoordIntPair::pair), 300); // Paper
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+ public static final TicketType<Long> DELAY_UNLOAD = a("delay_unload", Long::compareTo, 300); // Paper
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public static <T> TicketType<T> a(String s, Comparator<T> comparator) {
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return new TicketType<>(s, comparator, 0L);
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