From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: tr7zw <tr7zw@live.de>
Date: Fri, 31 Jul 2020 21:19:26 -0500
Subject: [PATCH] Add getLastTickMs api


diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 11c4e4dd5e1b20ec0aed0e46aab29605f9fa23e2..b3eafb5ed35c8534a0e419eb184fc2624d28f4d7 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -928,6 +928,8 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
     // Paper End
     // Spigot End
 
+    public static long lastTickMs = 0; // Yatopia
+
     protected void w() {
         try {
             long serverStartTime = SystemUtils.getMonotonicNanos(); // Paper
@@ -996,7 +998,9 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
                     this.a(gameprofilertick);
                     //this.methodProfiler.a(); // Akarin - remove caller
                     //this.methodProfiler.enter("tick"); // Akarin - remove caller
+                    long tickStart = System.currentTimeMillis(); // Yatopia
                     this.a(this::canSleepForTick);
+                    lastTickMs = System.currentTimeMillis() - tickStart; // Yatopia
                     //this.methodProfiler.exitEnter("nextTickWait"); // Akarin - remove caller
                     this.X = true;
                     // Purpur start - tps catchup
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 918b3e38121b0d820293acd40c9eff2f88b20ee1..e2a540d07c68e4ca9b2a2a46d6ba9a33903eced9 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2412,4 +2412,11 @@ public final class CraftServer implements Server {
         return getServer().lagging;
     }
     // Purpur end
+
+    // Yatopia start
+    @Override
+    public long getLastTickMs() {
+        return net.minecraft.server.MinecraftServer.lastTickMs;
+    }
+    // Yatopia end
 }
diff --git a/src/main/java/org/spigotmc/TicksPerSecondCommand.java b/src/main/java/org/spigotmc/TicksPerSecondCommand.java
index 3c7b9a6d24e064f9c1ec5fb6d52f42627944d7fa..76cf2353754821361a4541c21fc8d5f1a670b0de 100644
--- a/src/main/java/org/spigotmc/TicksPerSecondCommand.java
+++ b/src/main/java/org/spigotmc/TicksPerSecondCommand.java
@@ -33,7 +33,7 @@ public class TicksPerSecondCommand extends Command
         for ( int i = 0; i < tps.length; i++) {
             tpsAvg[i] = format( tps[i] );
         }
-        sender.sendMessage(ChatColor.GOLD + "TPS from last 5s, 1m, 5m, 15m: " + org.apache.commons.lang.StringUtils.join(tpsAvg, ", ")); // Purpur
+        sender.sendMessage(ChatColor.GOLD + "TPS from last 5s, 1m, 5m, 15m: " + org.apache.commons.lang.StringUtils.join(tpsAvg, ", ") + ChatColor.GOLD + " Last tick time: " + format( org.bukkit.Bukkit.getLastTickMs() )); // Purpur // Yatopia
         if (args.length > 0 && args[0].equals("mem") && sender.hasPermission("bukkit.command.tpsmemory")) {
             sender.sendMessage(ChatColor.GOLD + "Current Memory Usage: " + ChatColor.GREEN + ((Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) / (1024 * 1024)) + "/" + (Runtime.getRuntime().totalMemory() / (1024 * 1024)) + " mb (Max: " + (Runtime.getRuntime().maxMemory() / (1024 * 1024)) + " mb)");
             if (!hasShownMemoryWarning) {
@@ -52,4 +52,12 @@ public class TicksPerSecondCommand extends Command
         return ( ( tps > 18.0 ) ? ChatColor.GREEN : ( tps > 16.0 ) ? ChatColor.YELLOW : ChatColor.RED ).toString()
                 + ( ( tps > 21.0 ) ? "*" : "" ) + Math.min( Math.round( tps * 100.0 ) / 100.0, 20.0 ); // Paper - only print * at 21, we commonly peak to 20.02 as the tick sleep is not accurate enough, stop the noise
     }
+
+    // Yatopia start
+    public static String format(long ms)
+    {
+        ChatColor startingColor = ms < 40 ? ChatColor.GREEN : ( ms < 50 ) ? ChatColor.YELLOW : ChatColor.RED;
+        return startingColor.toString() + ms + ChatColor.GOLD + "ms";
+    }
+    // Yatopia end
 }