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https://github.com/PaperMC/Paper.git
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76 lines
4.5 KiB
Diff
76 lines
4.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Andrew Steinborn <git@steinborn.me>
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Date: Sat, 3 Oct 2020 04:15:09 -0400
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Subject: [PATCH] Lazily track plugin scoreboards by default
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On servers with plugins that constantly churn through scoreboards, there is a risk of
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degraded GC performance due to the number of scoreboards held on by weak references.
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Most plugins don't even need the (vanilla) functionality that requires all plugin
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scoreboards to be tracked by the server. Instead, only track scoreboards when an
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objective is added with a non-dummy criteria.
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This is a breaking change, however the change is a much more sensible default. In case
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this breaks your workflow you can always force all scoreboards to be tracked with
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settings.track-plugin-scoreboards in paper.yml.
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diff --git a/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboard.java b/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboard.java
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index 3f09420ba9268ac1dc5440c0739744370c0de319..052389310826ee6b97cf27dfd952e0101fb2d097 100644
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--- a/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboard.java
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+++ b/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboard.java
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@@ -18,6 +18,7 @@ import org.bukkit.scoreboard.Team;
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public final class CraftScoreboard implements org.bukkit.scoreboard.Scoreboard {
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final Scoreboard board;
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+ boolean registeredGlobally = false; // Paper
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CraftScoreboard(Scoreboard board) {
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this.board = board;
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@@ -50,6 +51,12 @@ public final class CraftScoreboard implements org.bukkit.scoreboard.Scoreboard {
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Preconditions.checkArgument(renderType != null, "RenderType cannot be null");
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Preconditions.checkArgument(name.length() <= Short.MAX_VALUE, "The name '%s' is longer than the limit of 32767 characters (%s)", name, name.length());
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Preconditions.checkArgument(this.board.getObjective(name) == null, "An objective of name '%s' already exists", name);
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+ // Paper start - lazily track plugin scoreboards
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+ if (((CraftCriteria) criteria).criteria != net.minecraft.world.scores.criteria.ObjectiveCriteria.DUMMY && !this.registeredGlobally) {
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+ net.minecraft.server.MinecraftServer.getServer().server.getScoreboardManager().registerScoreboardForVanilla(this);
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+ this.registeredGlobally = true;
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+ }
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+ // Paper end
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net.minecraft.world.scores.Objective objective = this.board.addObjective(name, ((CraftCriteria) criteria).criteria, io.papermc.paper.adventure.PaperAdventure.asVanilla(displayName), CraftScoreboardTranslations.fromBukkitRender(renderType));
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return new CraftObjective(this, objective);
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java b/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java
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index d5c15dd1287e0d5348dc9f7c622850705fcd4ac9..8f20fa2bfbe037fbaa9f4c4c3341a3d9b9a711b5 100644
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--- a/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java
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+++ b/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java
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@@ -30,6 +30,7 @@ public final class CraftScoreboardManager implements ScoreboardManager {
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public CraftScoreboardManager(MinecraftServer minecraftserver, net.minecraft.world.scores.Scoreboard scoreboardServer) {
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this.mainScoreboard = new CraftScoreboard(scoreboardServer);
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+ mainScoreboard.registeredGlobally = true; // Paper
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this.server = minecraftserver;
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this.scoreboards.add(mainScoreboard);
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}
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@@ -43,10 +44,22 @@ public final class CraftScoreboardManager implements ScoreboardManager {
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public CraftScoreboard getNewScoreboard() {
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org.spigotmc.AsyncCatcher.catchOp("scoreboard creation"); // Spigot
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CraftScoreboard scoreboard = new CraftScoreboard(new ServerScoreboard(this.server));
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- this.scoreboards.add(scoreboard);
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+ // Paper start
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+ if (io.papermc.paper.configuration.GlobalConfiguration.get().scoreboards.trackPluginScoreboards) {
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+ scoreboard.registeredGlobally = true;
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+ scoreboards.add(scoreboard);
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+ }
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+ // Paper end
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return scoreboard;
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}
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+ // Paper start
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+ public void registerScoreboardForVanilla(CraftScoreboard scoreboard) {
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+ org.spigotmc.AsyncCatcher.catchOp("scoreboard registration");
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+ scoreboards.add(scoreboard);
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+ }
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+ // Paper end
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+
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// CraftBukkit method
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public CraftScoreboard getPlayerBoard(CraftPlayer player) {
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CraftScoreboard board = this.playerBoards.get(player);
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