geforkt von Mirrors/Paper
68 Zeilen
4.9 KiB
Diff
68 Zeilen
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 b3b10baad56bf14a31a11a3375000195ce84d4d3..7c3a1622f161409e92c4ccfa13e8c1fc1d66c947 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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@@ -725,6 +725,8 @@ 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 chunkX, int chunkZ, ChunkStatus leastStatus, boolean create) {
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// Paper start - add isUrgent - old sig left in place for dirty nms plugins
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return getChunkFutureMainThread(chunkX, chunkZ, leastStatus, create, false);
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@@ -743,9 +745,12 @@ 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 (create && !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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@@ -756,13 +761,21 @@ 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(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(leastStatus, this.chunkMap);
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+ // Paper start - prevent plugin unloads from removing our ticket
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+ if (create && !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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