From f2897eedcaad763d05f5c69c51389b596daa7c9b Mon Sep 17 00:00:00 2001
From: Kieran Wallbanks <kieran.wallbanks@gmail.com>
Date: Thu, 4 Mar 2021 13:41:25 +0000
Subject: [PATCH] fix title ticks

---
 .../packet/server/play/TitlePacket.java       |  5 +++--
 .../net/minestom/server/utils/TickUtils.java  | 22 ++++++++++++++++++-
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/src/main/java/net/minestom/server/network/packet/server/play/TitlePacket.java b/src/main/java/net/minestom/server/network/packet/server/play/TitlePacket.java
index 98b2f1961..262423b8b 100644
--- a/src/main/java/net/minestom/server/network/packet/server/play/TitlePacket.java
+++ b/src/main/java/net/minestom/server/network/packet/server/play/TitlePacket.java
@@ -115,8 +115,9 @@ public class TitlePacket implements ServerPacket {
         // times packet
         Title.Times times = title.times();
         if (times != null) {
-            packets.add(new TitlePacket(TickUtils.fromDuration(times.fadeIn()), TickUtils.fromDuration(times.stay()),
-                    TickUtils.fromDuration(times.fadeOut())));
+            packets.add(new TitlePacket(TickUtils.fromDuration(times.fadeIn(), TickUtils.CLIENT_TICK_MS),
+                    TickUtils.fromDuration(times.stay(), TickUtils.CLIENT_TICK_MS),
+                    TickUtils.fromDuration(times.fadeOut(), TickUtils.CLIENT_TICK_MS)));
         }
 
         return packets;
diff --git a/src/main/java/net/minestom/server/utils/TickUtils.java b/src/main/java/net/minestom/server/utils/TickUtils.java
index 6b6bfcc89..aa5c98500 100644
--- a/src/main/java/net/minestom/server/utils/TickUtils.java
+++ b/src/main/java/net/minestom/server/utils/TickUtils.java
@@ -10,6 +10,15 @@ import java.time.Duration;
  * Tick related utilities.
  */
 public class TickUtils {
+    /**
+     * Number of ticks per second for the default Java-edition client.
+     */
+    public static final int CLIENT_TPS = 20;
+
+    /**
+     * Length of time per tick for the default Java-edition client.
+     */
+    public static final int CLIENT_TICK_MS = 50;
 
     /**
      * Creates a number of ticks from a given duration, based on {@link MinecraftServer#TICK_MS}.
@@ -18,8 +27,19 @@ public class TickUtils {
      * @throws IllegalArgumentException if duration is negative
      */
     public static int fromDuration(@NotNull Duration duration) {
+        return TickUtils.fromDuration(duration, MinecraftServer.TICK_MS);
+    }
+
+    /**
+     * Creates a number of ticks from a given duration.
+     * @param duration the duration
+     * @param msPerTick the number of milliseconds per tick
+     * @return the number of ticks
+     * @throws IllegalArgumentException if duration is negative
+     */
+    public static int fromDuration(@NotNull Duration duration, int msPerTick) {
         Validate.isTrue(!duration.isNegative(), "Duration cannot be negative");
 
-        return (int) (duration.toMillis() / MinecraftServer.TICK_MS);
+        return (int) (duration.toMillis() / msPerTick);
     }
 }