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 18dc66b78f91c0b9efdf9008c0a38c52fdfc93ad..22cbe00a19a2ac0ad25b1107b1290b793903e3aa 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1344,6 +1344,12 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
                         gameprofilerfiller.popPush("nextTickWait");
                         this.mayHaveDelayedTasks = true;
                         this.delayedTasksMaxNextTickTimeNanos = Math.max(Util.getNanos() + i, this.nextTickTimeNanos);
+                        // Pufferfish start - tps catchup
+                        if (!org.purpurmc.purpur.PurpurConfig.tpsCatchup /*|| !gg.pufferfish.pufferfish.PufferfishConfig.tpsCatchup*/) { // Purpur
+                            this.nextTickTimeNanos = currentTime + i;
+                            this.delayedTasksMaxNextTickTimeNanos = nextTickTimeNanos;
+                        }
+                        // Pufferfish end
                         this.startMeasuringTaskExecutionTime();
                         this.waitUntilNextTick();
                         this.finishMeasuringTaskExecutionTime();
diff --git a/src/main/java/org/purpurmc/purpur/PurpurConfig.java b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
index 59b257051ed3040891f0a32b9c732f8bfabd6f7d..46d06b6887eac6b2e7b3fd9834fdd9284a773f39 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
@@ -251,4 +251,9 @@ 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);
+    }
 }