Purpur/patches/server/0052-Configurable-TPS-Catchup.patch

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 17f0167cd38a7f2e0dbef42738f03f2f92944f1a..2d24ddd09730ce0807d89d081b439c1a77cb14d8 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1268,7 +1268,13 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
                     this.tickServer(this::haveTime);
                     this.profiler.popPush("nextTickWait");
                     this.mayHaveDelayedTasks = true;
-                    this.delayedTasksMaxNextTickTime = Math.max(Util.getMillis() + 50L, this.nextTickTime);
+                    // Purpur start - tps catchup
+                    if (org.purpurmc.purpur.PurpurConfig.tpsCatchup) {
+                        this.delayedTasksMaxNextTickTime = Math.max(Util.getMillis() + 50L, this.nextTickTime);
+                    } else {
+                        this.delayedTasksMaxNextTickTime = this.nextTickTime = curTime / 1000000L + 50L;
+                    }
+                    // Purpur end - tps catchup
                     this.waitUntilNextTick();
                     this.profiler.pop();
                     this.endMetricsRecordingTick();
diff --git a/src/main/java/org/purpurmc/purpur/PurpurConfig.java b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
index d2e19fdaae731253b38311fbc1c7146ae4a2c026..25747c6f1aa2415217bf65ba49a6090319c740c1 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
@@ -239,4 +239,9 @@ public class PurpurConfig {
         loggerSuppressIgnoredAdvancementWarnings = getBoolean("settings.logger.suppress-ignored-advancement-warnings", loggerSuppressIgnoredAdvancementWarnings);
         loggerSuppressUnrecognizedRecipeErrors = getBoolean("settings.logger.suppress-unrecognized-recipe-errors", loggerSuppressUnrecognizedRecipeErrors);
     }
+
+    public static boolean tpsCatchup = true;
+    private static void tpsCatchup() {
+        tpsCatchup = getBoolean("settings.tps-catchup", tpsCatchup);
+    }
 }