Purpur/patches/server/0049-Implement-lagging-threshold.patch

From 227bedf9b854210d5b7cd9408ca62f7547ff0170 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Tue, 23 Jul 2019 10:07:16 -0500
Subject: [PATCH] Implement lagging threshold

---
 src/main/java/net/minecraft/server/MinecraftServer.java | 2 ++
 src/main/java/net/pl3x/purpur/PurpurConfig.java         | 5 +++++
 src/main/java/org/bukkit/craftbukkit/CraftServer.java   | 7 +++++++
 3 files changed, 14 insertions(+)

diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index da8c98356..3568e076e 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -184,6 +184,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
     public static final int TICK_TIME = 1000000000 / TPS;
     private static final int SAMPLE_INTERVAL = 20; // Paper
     public final double[] recentTps = new double[ 3 ];
+    public boolean lagging = false; // Purpur
     public final SlackActivityAccountant slackActivityAccountant = new SlackActivityAccountant();
     // Spigot end
 
@@ -952,6 +953,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
                         recentTps[1] = tps5.getAverage();
                         recentTps[2] = tps15.getAverage();
                         // Paper end
+                        lagging = recentTps[0] < net.pl3x.purpur.PurpurConfig.laggingThreshold; // Purpur
                         tickSection = curTime;
                     }
                     // Tuinity - replace logic
diff --git a/src/main/java/net/pl3x/purpur/PurpurConfig.java b/src/main/java/net/pl3x/purpur/PurpurConfig.java
index d3e1c8c40..ab20fa2fa 100644
--- a/src/main/java/net/pl3x/purpur/PurpurConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurConfig.java
@@ -139,6 +139,11 @@ public class PurpurConfig {
         loggerSuppressIgnoredAdvancementWarnings = getBoolean("settings.logger.suppress-ignored-advancement-warnings", loggerSuppressIgnoredAdvancementWarnings);
     }
 
+    public static double laggingThreshold = 19.0D;
+    private static void tickLoopSettings() {
+        laggingThreshold = getDouble("settings.lagging-threshold", laggingThreshold);
+    }
+
     public static boolean dontSendUselessEntityPackets = false;
     private static void dontSendUselessEntityPackets() {
         dontSendUselessEntityPackets = getBoolean("settings.dont-send-useless-entity-packets", dontSendUselessEntityPackets);
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index e3a012800..97159dfe1 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2299,4 +2299,11 @@ public final class CraftServer implements Server {
         return mobGoals;
     }
     // Paper end
+
+    // Purpur start
+    @Override
+    public boolean isLagging() {
+        return getServer().lagging;
+    }
+    // Purpur end
 }
-- 
2.26.2