Server Tick Events

Fires event at start and end of a server tick
This commit is contained in:
Aikar 2019-03-27 22:49:29 -04:00
parent af52f138da
commit 8f25112b93
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2 changed files with 147 additions and 0 deletions

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@ -0,0 +1,113 @@
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

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@ -0,0 +1,34 @@
From a64fa8711ba3b64574459546673a90803f46011d 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 b93fccf91..9a56afeb3 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -927,6 +927,7 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
co.aikar.timings.TimingsManager.FULL_SERVER_TICK.startTiming(); // Paper
this.slackActivityAccountant.tickStarted(); // Spigot
long i = SystemUtils.getMonotonicNanos(); long startTime = i; // Paper
+ new com.destroystokyo.paper.event.server.ServerTickStartEvent(this.ticks+1).callEvent(); // Paper
++this.ticks;
if (this.S) {
@@ -995,6 +996,11 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
PaperLightingQueue.processQueue(startTime); // Paper
expiringMaps.removeIf(ExpiringMap::clean); // Paper
this.slackActivityAccountant.tickEnded(l); // Spigot
+ // Paper start
+ long endTime = System.nanoTime();
+ long remaining = (TICK_TIME - (endTime - lastTick)) - catchupTime;
+ new com.destroystokyo.paper.event.server.ServerTickEndEvent(this.ticks, endTime - lastTick, remaining).callEvent();
+ // Paper end
co.aikar.timings.TimingsManager.FULL_SERVER_TICK.stopTiming(); // Paper
}
--
2.21.0