From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 27 Mar 2019 22:48:45 -0400
Subject: [PATCH] Server Tick Events

Fires event at start and end of a server tick

diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 3ce1204184656d7500509f8600cec0a4b6089a3f..c864749646d26199e4c938f1fa6bbee4a3b942dd 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1227,6 +1227,7 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
         });
         isOversleep = false;MinecraftTimings.serverOversleep.stopTiming();
         // Paper end
+        new com.destroystokyo.paper.event.server.ServerTickStartEvent(this.ticks+1).callEvent(); // Paper
 
         ++this.ticks;
         this.b(booleansupplier);
@@ -1270,6 +1271,12 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
         }
         // Paper end
 
+        // Paper start
+        long endTime = System.nanoTime();
+        long remaining = (TICK_TIME - (endTime - lastTick)) - catchupTime;
+        new com.destroystokyo.paper.event.server.ServerTickEndEvent(this.ticks, ((double)(endTime - lastTick) / 1000000D), remaining).callEvent();
+        // Paper end
+
         this.methodProfiler.enter("tallying");
         long l = this.h[this.ticks % 100] = SystemUtils.getMonotonicNanos() - i;