From 8db26f74b12cd7c115e3b49c40a953f15001cde5 Mon Sep 17 00:00:00 2001
From: REDACTED
Date: Fri, 1 Dec 2017 02:41:40 +0100
Subject: [PATCH] Added tick/timetime display in the player list.

---
 .../net/minecraft/server/MinecraftServer.java      | 34 ++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/src/minecraft_server/net/minecraft/server/MinecraftServer.java b/src/minecraft_server/net/minecraft/server/MinecraftServer.java
index 8fefd31..023d2d5 100644
--- a/src/minecraft_server/net/minecraft/server/MinecraftServer.java
+++ b/src/minecraft_server/net/minecraft/server/MinecraftServer.java
@@ -18,6 +18,7 @@ import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
+import java.lang.reflect.Field;
 import java.net.Proxy;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
@@ -49,6 +50,7 @@ import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.init.Bootstrap;
 import net.minecraft.network.NetworkSystem;
 import net.minecraft.network.ServerStatusResponse;
+import net.minecraft.network.play.server.SPacketPlayerListHeaderFooter;
 import net.minecraft.network.play.server.SPacketTimeUpdate;
 import net.minecraft.profiler.ISnooperInfo;
 import net.minecraft.profiler.Profiler;
@@ -67,6 +69,7 @@ import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.text.ITextComponent;
 import net.minecraft.util.text.TextComponentString;
+import net.minecraft.util.text.TextFormatting;
 import net.minecraft.world.EnumDifficulty;
 import net.minecraft.world.GameType;
 import net.minecraft.world.MinecraftException;
@@ -626,6 +629,37 @@ public abstract class MinecraftServer implements ICommandSender, Runnable, IThre
             this.saveAllWorlds(true);
             this.profiler.endSection();
         }
+
+        //QC - fancy TPS display
+        if(this.tickCounter % 20 == 0)
+        {
+            this.profiler.startSection("qc_tps_display");
+            double MSPT = MathHelper.average(this.tickTimeArray) * 1.0E-6D;
+            double TPS = 1000.0D / Math.max(50.0D, MSPT);
+
+            String tps_display = TextFormatting.GRAY + "TPS: " +
+                    (TPS > 16.0D ? TextFormatting.YELLOW : TextFormatting.RED) +
+                    String.format("%.1f", TPS) +
+                    TextFormatting.GRAY + " MSPT: " +
+                    (TPS > 16.0D ? TextFormatting.YELLOW : TextFormatting.RED) +
+                    String.format("%.1f", MSPT);
+
+            SPacketPlayerListHeaderFooter packet = new SPacketPlayerListHeaderFooter();
+            Field header = packet.getClass().getDeclaredFields()[0];
+            Field footer = packet.getClass().getDeclaredFields()[1];
+            header.setAccessible(true);
+            footer.setAccessible(true);
+            try {
+                header.set(packet, new TextComponentString(""));
+                footer.set(packet, new TextComponentString(tps_display));
+            } catch (IllegalArgumentException e) {
+                e.printStackTrace();
+            } catch (IllegalAccessException e) {
+                e.printStackTrace();
+            }
+            this.getPlayerList().sendPacketToAllPlayers(packet);
+            this.profiler.endSection();
+        }

         this.profiler.startSection("tallying");
         this.tickTimeArray[this.tickCounter % 100] = System.nanoTime() - i;
--
2.7.4.1.g5468f9e