From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Sun, 28 Jul 2019 01:27:37 -0500
Subject: [PATCH] Add 5 second tps average in /tps

Original code by PurpurMC, licensed under MIT
You can find the original code on https://github.com/PurpurMC/Purpur

diff --git a/src/main/java/com/destroystokyo/paper/gui/RAMDetails.java b/src/main/java/com/destroystokyo/paper/gui/RAMDetails.java
index fa56cd09102a89692b42f1d14257990508c5c720..f9251183df72ddc56662fd3f02acf21641a2200c 100644
--- a/src/main/java/com/destroystokyo/paper/gui/RAMDetails.java
+++ b/src/main/java/com/destroystokyo/paper/gui/RAMDetails.java
@@ -58,7 +58,7 @@ public class RAMDetails extends JList<String> {
         GraphData data = RAMGraph.DATA.peekLast();
         Vector<String> vector = new Vector<>();
 
-        double[] tps = new double[] {server.tps1.getAverage(), server.tps5.getAverage(), server.tps15.getAverage()};
+        double[] tps = new double[] {server.tps5s.getAverage(), server.tps1.getAverage(), server.tps5.getAverage(), server.tps15.getAverage()}; // Purpur
         String[] tpsAvg = new String[tps.length];
 
         for ( int g = 0; g < tps.length; g++) {
@@ -67,7 +67,7 @@ public class RAMDetails extends JList<String> {
         vector.add("Memory use: " + (data.getUsedMem() / 1024L / 1024L) + " mb (" + (data.getFree() * 100L / data.getMax()) + "% free)");
         vector.add("Heap: " + (data.getTotal() / 1024L / 1024L) + " / " + (data.getMax() / 1024L / 1024L) + " mb");
         vector.add("Avg tick: " + DECIMAL_FORMAT.format(getAverage(server.tickTimes)) + " ms");
-        vector.add("TPS from last 1m, 5m, 15m: " + String.join(", ", tpsAvg));
+        vector.add("TPS from last 5s, 1m, 5m, 15m: " + String.join(", ", tpsAvg)); // Purpur
 
         setListData(vector);
     }
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 904ce75db06d3a50025bf758279e84346912ef6c..6cdced357fdcd5ea4ce0c63d29e39573a5f40f65 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -290,7 +290,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<Runnab
     public static final int TPS = 20;
     public static final int TICK_TIME = 1000000000 / MinecraftServer.TPS;
     private static final int SAMPLE_INTERVAL = 20; // Paper
-    public final double[] recentTps = new double[ 3 ];
+    public final double[] recentTps = new double[ 4 ]; // Purpur
     // Spigot end
     public final io.papermc.paper.configuration.PaperConfigurations paperConfigurations;
     public static long currentTickLong = 0L; // Paper
@@ -1047,6 +1047,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<Runnab
     private static final long MAX_CATCHUP_BUFFER = TICK_TIME * TPS * 60L;
     private long lastTick = 0;
     private long catchupTime = 0;
+    public final RollingAverage tps5s = new RollingAverage(5); // Purpur
     public final RollingAverage tps1 = new RollingAverage(60);
     public final RollingAverage tps5 = new RollingAverage(60 * 5);
     public final RollingAverage tps15 = new RollingAverage(60 * 15);
@@ -1151,13 +1152,17 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<Runnab
                 {
                     final long diff = curTime - tickSection;
                     java.math.BigDecimal currentTps = TPS_BASE.divide(new java.math.BigDecimal(diff), 30, java.math.RoundingMode.HALF_UP);
+                    tps5s.add(currentTps, diff); // Purpur
                     tps1.add(currentTps, diff);
                     tps5.add(currentTps, diff);
                     tps15.add(currentTps, diff);
                     // Backwards compat with bad plugins
-                    this.recentTps[0] = tps1.getAverage();
-                    this.recentTps[1] = tps5.getAverage();
-                    this.recentTps[2] = tps15.getAverage();
+                    // Purpur start
+                    this.recentTps[0] = tps5s.getAverage();
+                    this.recentTps[1] = tps1.getAverage();
+                    this.recentTps[2] = tps5.getAverage();
+                    this.recentTps[3] = tps15.getAverage();
+                    // Purpur end
                     // Paper end
                     tickSection = curTime;
                 }
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index f6f15f1913b558b457e6e63db93cb0f9c1b6724d..d2478bda9e8395a8730a3416ce3133782ab9a8e9 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2695,6 +2695,7 @@ public final class CraftServer implements Server {
     @Override
     public double[] getTPS() {
         return new double[] {
+                net.minecraft.server.MinecraftServer.getServer().tps5s.getAverage(), // Purpur
                 net.minecraft.server.MinecraftServer.getServer().tps1.getAverage(),
                 net.minecraft.server.MinecraftServer.getServer().tps5.getAverage(),
                 net.minecraft.server.MinecraftServer.getServer().tps15.getAverage()
diff --git a/src/main/java/org/spigotmc/TicksPerSecondCommand.java b/src/main/java/org/spigotmc/TicksPerSecondCommand.java
index b735769b7876e54db2950ebb4170484447cfb9a6..0ecac76577eb440a0c3104ef4603acec826c474d 100644
--- a/src/main/java/org/spigotmc/TicksPerSecondCommand.java
+++ b/src/main/java/org/spigotmc/TicksPerSecondCommand.java
@@ -31,7 +31,7 @@ public class TicksPerSecondCommand extends Command
         for ( int i = 0; i < tps.length; i++) {
             tpsAvg[i] = TicksPerSecondCommand.format( tps[i] );
         }
-        sender.sendMessage(ChatColor.GOLD + "TPS from last 1m, 5m, 15m: " + org.apache.commons.lang.StringUtils.join(tpsAvg, ", "));
+        sender.sendMessage(ChatColor.GOLD + "TPS from last 5s, 1m, 5m, 15m: " + org.apache.commons.lang.StringUtils.join(tpsAvg, ", ")); // Purpur
         // Yatopia start - Last tick time API
         java.time.Duration lastTickTime = org.bukkit.Bukkit.getLastTickTime();
         sender.sendMessage(ChatColor.GOLD + "Last tick: " + TicksPerSecondCommand.formatTo( lastTickTime, java.util.concurrent.TimeUnit.MILLISECONDS ) + " (" + formatTo( lastTickTime, java.util.concurrent.TimeUnit.NANOSECONDS ) + ")");