Paper/Spigot-API-Patches/0180-Server-Tick-Events.patch

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From f32b76ea1ec40f3380f2e0bf20b294c3358f4092 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 27 Mar 2019 21:58:55 -0400
Subject: [PATCH] Server Tick Events
Fires event at start and end of a server tick
diff --git a/src/main/java/com/destroystokyo/paper/event/server/ServerTickEndEvent.java b/src/main/java/com/destroystokyo/paper/event/server/ServerTickEndEvent.java
new file mode 100644
index 000000000..9fd28e036
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/server/ServerTickEndEvent.java
@@ -0,0 +1,59 @@
+package com.destroystokyo.paper.event.server;
+
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Called when the server has finished ticking the main loop
+ */
+public class ServerTickEndEvent extends Event {
+
+ private static final HandlerList handlers = new HandlerList();
+ private final int tickNumber;
+ private final double tickDuration;
+ private final long timeEnd;
+
+ public ServerTickEndEvent(int tickNumber, double tickDuration, long timeRemaining) {
+ this.tickNumber = tickNumber;
+ this.tickDuration = tickDuration;
+ this.timeEnd = System.nanoTime() + timeRemaining;
+ }
+
+ /**
+ * @return What tick this was since start (first tick = 1)
+ */
+ public int getTickNumber() {
+ return tickNumber;
+ }
+
+ /**
+ * @return Time in milliseconds of how long this tick took
+ */
+ public double getTickDuration() {
+ return tickDuration;
+ }
+
+ /**
+ * Amount of nanoseconds remaining before the next tick should start.
+ *
+ * If this value is negative, then that means the server has exceeded the tick time limit and TPS has been lost.
+ *
+ * Method will continously return the updated time remaining value. (return value is not static)
+ *
+ * @return Amount of nanoseconds remaining before the next tick should start
+ */
+ public long getTimeRemaining() {
+ return this.timeEnd - System.nanoTime();
+ }
+
+ @NotNull
+ public HandlerList getHandlers() {
+ return handlers;
+ }
+
+ @NotNull
+ public static HandlerList getHandlerList() {
+ return handlers;
+ }
+}
diff --git a/src/main/java/com/destroystokyo/paper/event/server/ServerTickStartEvent.java b/src/main/java/com/destroystokyo/paper/event/server/ServerTickStartEvent.java
new file mode 100644
index 000000000..eac85f1f4
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/server/ServerTickStartEvent.java
@@ -0,0 +1,32 @@
+package com.destroystokyo.paper.event.server;
+
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+public class ServerTickStartEvent extends Event {
+
+ private static final HandlerList handlers = new HandlerList();
+ private final int tickNumber;
+
+ public ServerTickStartEvent(int tickNumber) {
+ this.tickNumber = tickNumber;
+ }
+
+ /**
+ * @return What tick this is going be since start (first tick = 1)
+ */
+ public int getTickNumber() {
+ return tickNumber;
+ }
+
+ @NotNull
+ public HandlerList getHandlers() {
+ return handlers;
+ }
+
+ @NotNull
+ public static HandlerList getHandlerList() {
+ return handlers;
+ }
+}
--
2.21.0