From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Thu, 26 Mar 2020 19:06:22 -0500
Subject: [PATCH] Configurable TPS Catchup


diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index c58a727c8bbff81e719ee2a3712dd3f397eee53e..3bf8cea369eec31b59850c0eeabaa053ac9f2e7e 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1223,11 +1223,18 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
                 this.mayHaveDelayedTasks = true;
                 this.delayedTasksMaxNextTickTimeNanos = Math.max(Util.getNanos() + i, this.nextTickTimeNanos);
                 // Pufferfish start - tps catchup
-                if (!gg.pufferfish.pufferfish.PufferfishConfig.tpsCatchup) {
+                if (!org.purpurmc.purpur.PurpurConfig.tpsCatchup || !gg.pufferfish.pufferfish.PufferfishConfig.tpsCatchup) {
                     this.nextTickTimeNanos = currentTime + i;
                     this.delayedTasksMaxNextTickTimeNanos = nextTickTimeNanos;
                 }
                 // Pufferfish end
+                // Purpur start - tps catchup
+                //if (org.purpurmc.purpur.PurpurConfig.tpsCatchup) {
+                //    this.delayedTasksMaxNextTickTimeNanos = Math.max(Util.getNanos() + i, this.nextTickTimeNanos);
+                //} else {
+                //    this.delayedTasksMaxNextTickTimeNanos = this.nextTickTimeNanos = curTime + i;
+                //}
+                // Purpur end - tps catchup
                 this.waitUntilNextTick();
                 if (flag) {
                     this.tickRateManager.endTickWork();
diff --git a/src/main/java/org/purpurmc/purpur/PurpurConfig.java b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
index a14879f4266c71b7493c05e105114590c6709045..909cfeba89c2370adc2eebf72ba8ad46d33bce7b 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
@@ -248,4 +248,9 @@ public class PurpurConfig {
         loggerSuppressUnrecognizedRecipeErrors = getBoolean("settings.logger.suppress-unrecognized-recipe-errors", loggerSuppressUnrecognizedRecipeErrors);
         loggerSuppressSetBlockFarChunk = getBoolean("settings.logger.suppress-setblock-in-far-chunk-errors", loggerSuppressSetBlockFarChunk);
     }
+
+    public static boolean tpsCatchup = true;
+    private static void tpsCatchup() {
+        tpsCatchup = getBoolean("settings.tps-catchup", tpsCatchup);
+    }
 }