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f44d237de9
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing CraftBukkit Changes: 5be41fb8 SPIGOT-6720: Fix bed explosion checks 09b99daf SPIGOT-6722: Close entity manager when unloading world 3a9561bf SPIGOT-6686: Changes in MaximumRepairCost for Anvil Rename cause inconsistency
67 lines
4.9 KiB
Diff
67 lines
4.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <spottedleaf@spottedleaf.dev>
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Date: Thu, 18 Jun 2020 18:23:20 -0700
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Subject: [PATCH] Prevent unload() calls removing tickets for sync loads
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diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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index 58061491be6713a21e3f9e67a0b1ac0ecceb24d6..6b95085a5c8c7b91a326f205e56a978deacbbebd 100644
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--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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@@ -573,6 +573,8 @@ public class ServerChunkCache extends ChunkSource {
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return completablefuture;
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}
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+ private long syncLoadCounter; // Paper - prevent plugin unloads from removing our ticket
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+
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private CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> getChunkFutureMainThread(int i, int j, ChunkStatus chunkstatus, boolean flag) {
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// Paper start - add isUrgent - old sig left in place for dirty nms plugins
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return getChunkFutureMainThread(i, j, chunkstatus, flag, false);
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@@ -591,9 +593,12 @@ public class ServerChunkCache extends ChunkSource {
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ChunkHolder.FullChunkStatus currentChunkState = ChunkHolder.getFullChunkStatus(playerchunk.getTicketLevel());
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currentlyUnloading = (oldChunkState.isOrAfter(ChunkHolder.FullChunkStatus.BORDER) && !currentChunkState.isOrAfter(ChunkHolder.FullChunkStatus.BORDER));
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}
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+ final Long identifier; // Paper - prevent plugin unloads from removing our ticket
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if (flag && !currentlyUnloading) {
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// CraftBukkit end
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this.distanceManager.addTicket(TicketType.UNKNOWN, chunkcoordintpair, l, chunkcoordintpair);
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+ identifier = Long.valueOf(this.syncLoadCounter++); // Paper - prevent plugin unloads from removing our ticket
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+ this.distanceManager.addTicketAtLevel(TicketType.REQUIRED_LOAD, chunkcoordintpair, l, identifier); // Paper - prevent plugin unloads from removing our ticket
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if (isUrgent) this.distanceManager.markUrgent(chunkcoordintpair); // Paper - Chunk priority
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if (this.chunkAbsent(playerchunk, l)) {
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ProfilerFiller gameprofilerfiller = this.level.getProfiler();
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@@ -604,12 +609,20 @@ public class ServerChunkCache extends ChunkSource {
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playerchunk = this.getVisibleChunkIfPresent(k);
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gameprofilerfiller.pop();
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if (this.chunkAbsent(playerchunk, l)) {
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+ this.distanceManager.removeTicketAtLevel(TicketType.REQUIRED_LOAD, chunkcoordintpair, l, identifier); // Paper
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throw (IllegalStateException) Util.pauseInIde((Throwable) (new IllegalStateException("No chunk holder after ticket has been added")));
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}
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}
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- }
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+ } else { identifier = null; } // Paper - prevent plugin unloads from removing our ticket
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// Paper start - Chunk priority
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CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> future = this.chunkAbsent(playerchunk, l) ? ChunkHolder.UNLOADED_CHUNK_FUTURE : playerchunk.getOrScheduleFuture(chunkstatus, this.chunkMap);
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+ // Paper start - prevent plugin unloads from removing our ticket
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+ if (flag && !currentlyUnloading) {
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+ future.thenAcceptAsync((either) -> {
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+ ServerChunkCache.this.distanceManager.removeTicketAtLevel(TicketType.REQUIRED_LOAD, chunkcoordintpair, l, identifier);
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+ }, ServerChunkCache.this.mainThreadProcessor);
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+ }
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+ // Paper end - prevent plugin unloads from removing our ticket
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if (isUrgent) {
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future.thenAccept(either -> this.distanceManager.clearUrgent(chunkcoordintpair));
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}
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diff --git a/src/main/java/net/minecraft/server/level/TicketType.java b/src/main/java/net/minecraft/server/level/TicketType.java
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index 3c1698ba0d3bc412ab957777d9b5211dbc555208..41ddcf6775f99c56cf4b13b284420061e5dd6bdc 100644
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--- a/src/main/java/net/minecraft/server/level/TicketType.java
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+++ b/src/main/java/net/minecraft/server/level/TicketType.java
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@@ -31,6 +31,7 @@ public class TicketType<T> {
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public static final TicketType<Unit> PLUGIN = TicketType.create("plugin", (a, b) -> 0); // CraftBukkit
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public static final TicketType<org.bukkit.plugin.Plugin> PLUGIN_TICKET = TicketType.create("plugin_ticket", (plugin1, plugin2) -> plugin1.getClass().getName().compareTo(plugin2.getClass().getName())); // CraftBukkit
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public static final TicketType<Long> DELAY_UNLOAD = create("delay_unload", Long::compareTo, 300); // Paper
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+ public static final TicketType<Long> REQUIRED_LOAD = create("required_load", Long::compareTo); // Paper - make sure getChunkAt does not fail
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public static <T> TicketType<T> create(String name, Comparator<T> argumentComparator) {
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return new TicketType<>(name, argumentComparator, 0L);
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