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8c5b837e05
Firstly, the old methods all routed to the CompletableFuture method. However, the CF method could not guarantee that if the caller was off-main that the future would be "completed" on-main. Since the callback methods used the CF one, this meant that the callback methods did not guarantee that the callbacks were to be called on the main thread. Now, all methods route to getChunkAtAsync(x, z, gen, urgent, cb) so that the methods with the callback are guaranteed to invoke the callback on the main thread. The CF behavior remains unchanged; it may still appear to complete on main if invoked off-main. Secondly, remove the scheduleOnMain invocation in the async chunk completion. This unnecessarily delays the callback by 1 tick. Thirdly, add getChunksAtAsync(minX, minZ, maxX, maxZ, ...) which will load chunks within an area. This method is provided as a helper as keeping all chunks loaded within an area can be complicated to implement for plugins (due to the lacking ticket API), and is already implemented internally anyways. Fourthly, remove the ticket addition that occured with getChunkAt and getChunkAtAsync. The ticket addition may delay the unloading of the chunk unnecessarily. It also fixes a very rare timing bug where the future/callback would be completed after the chunk unloads.
53 lines
2.8 KiB
Diff
53 lines
2.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Mon, 8 Jul 2019 00:13:36 -0700
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Subject: [PATCH] Use getChunkIfLoadedImmediately in places
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This prevents us from hitting chunk loads for chunks at or less-than
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ticket level 33 (yes getChunkIfLoaded will actually perform a chunk
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load in that case).
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index 8e2edab16113128a755349d03d83dd46e8b806cb..57b82b90ab55922e57ccf79c57296d1d2e34d6a2 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -232,7 +232,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
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public boolean hasEntityMoveEvent; // Paper - Add EntityMoveEvent
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public LevelChunk getChunkIfLoaded(int x, int z) {
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- return this.chunkSource.getChunk(x, z, false);
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+ return this.chunkSource.getChunkAtIfLoadedImmediately(x, z); // Paper - Use getChunkIfLoadedImmediately
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}
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@Override
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diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
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index 71e9c1504d4b85ffb695401974748d56fefb66e6..9536e127ff4d45ca59b74fe0f3dbde9a18c04f42 100644
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--- a/src/main/java/net/minecraft/world/level/Level.java
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+++ b/src/main/java/net/minecraft/world/level/Level.java
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@@ -179,6 +179,13 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
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public CraftServer getCraftServer() {
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return (CraftServer) Bukkit.getServer();
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}
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+ // Paper start - Use getChunkIfLoadedImmediately
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+ @Override
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+ public boolean hasChunk(int chunkX, int chunkZ) {
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+ return this.getChunkIfLoaded(chunkX, chunkZ) != null;
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+ }
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+ // Paper end - Use getChunkIfLoadedImmediately
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+
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public abstract ResourceKey<LevelStem> getTypeKey();
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diff --git a/src/main/java/net/minecraft/world/level/gameevent/GameEventDispatcher.java b/src/main/java/net/minecraft/world/level/gameevent/GameEventDispatcher.java
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index 13b34e89bd3e55df1bb1d4d0cf013bafae43f502..df6c97be1b278c97a20390be5d3e60f429383702 100644
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--- a/src/main/java/net/minecraft/world/level/gameevent/GameEventDispatcher.java
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+++ b/src/main/java/net/minecraft/world/level/gameevent/GameEventDispatcher.java
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@@ -56,7 +56,7 @@ public class GameEventDispatcher {
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for (int l1 = j; l1 <= i1; ++l1) {
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for (int i2 = l; i2 <= k1; ++i2) {
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- LevelChunk chunk = this.level.getChunkSource().getChunkNow(l1, i2);
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+ LevelChunk chunk = (LevelChunk) this.level.getChunkIfLoadedImmediately(l1, i2); // Paper - Use getChunkIfLoadedImmediately
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if (chunk != null) {
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for (int j2 = k; j2 <= j1; ++j2) {
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