From 0000000000000000000000000000000000000000 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] Lagging threshold


diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index b95e5ae709864a6f099c046c10a323c3493dced6..cb3081b981bcb88ed5a69f47af807fffe9d3280b 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -165,6 +165,7 @@ 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
 
@@ -990,6 +991,7 @@ 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 4627261562a1482aecf4034b8717ecccc2dd9eb0..a34ed978596f1a466b0b48e7db92ac4f1345a996 100644
--- a/src/main/java/net/pl3x/purpur/PurpurConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurConfig.java
@@ -150,6 +150,11 @@ public class PurpurConfig {
         if (!TimingsManager.hiddenConfigs.contains("server-ip")) TimingsManager.hiddenConfigs.add("server-ip");
     }
 
+    public static double laggingThreshold = 19.0D;
+    private static void tickLoopSettings() {
+        laggingThreshold = getDouble("settings.lagging-threshold", laggingThreshold);
+    }
+
     public static boolean barrelSixRows = false;
     public static boolean enderChestSixRows = false;
     public static boolean enderChestPermissionRows = false;
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 78bd89a3b743a6f24cce189c863f332aa61a231c..4ad906b3ab91cee656c319d6c2deee59781ffe13 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2517,5 +2517,10 @@ public final class CraftServer implements Server {
     public String getServerName() {
         return getProperties().serverName;
     }
+
+    @Override
+    public boolean isLagging() {
+        return getServer().lagging;
+    }
     // Purpur end
 }