Add player idle duration API (#9833)

* Add player idle duration API

Implements API for getting, setting and resetting a player's idle duration.

* Remove idle duration setter

* Rebase

patches/api/0442-Add-player-idle-duration-API.patch

@@ -0,0 +1,41 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: booky10 <boooky10@gmail.com>
+Date: Sat, 14 Oct 2023 03:11:11 +0200
+Subject: [PATCH] Add player idle duration API
+
+Implements API for getting and resetting a player's idle duration.
+
+diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
+index 20fa1024f9ad8f478a347be5c554b5e45b398a1c..2996db88343060624d6aab7889290ae74a973fe8 100644
+--- a/src/main/java/org/bukkit/entity/Player.java
++++ b/src/main/java/org/bukkit/entity/Player.java
+@@ -3274,6 +3274,29 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
+     void increaseWardenWarningLevel();
+     // Paper end
+ 
++    // Paper start
++    /**
++     * The idle duration is reset when the player
++     * sends specific action packets.
++     * <p>
++     * After the idle duration exceeds {@link org.bukkit.Bukkit#getIdleTimeout()}, the
++     * player will be kicked for {@link org.bukkit.event.player.PlayerKickEvent.Cause#IDLING}.
++     *
++     * @return the current idle duration of this player
++     */
++    @NotNull Duration getIdleDuration();
++
++    /**
++     * Resets this player's idle duration.
++     * <p>
++     * After the idle duration exceeds {@link org.bukkit.Bukkit#getIdleTimeout()}, the
++     * player will be kicked for {@link org.bukkit.event.player.PlayerKickEvent.Cause#IDLING}.
++     *
++     * @see #getIdleDuration()
++     */
++    void resetIdleDuration();
++    // Paper end
++
+     @NotNull
+     @Override
+     Spigot spigot();

patches/server/1039-Add-player-idle-duration-API.patch

@@ -0,0 +1,30 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: booky10 <boooky10@gmail.com>
+Date: Sat, 14 Oct 2023 03:11:11 +0200
+Subject: [PATCH] Add player idle duration API
+
+Implements API for getting and resetting a player's idle duration.
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+index 604ed1f6742a6b028b9db2809f7bd4b9a3b38f4d..bd2cb9080a5a215c97d4dc038ab8e8d1f7c20f8f 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+@@ -3278,6 +3278,18 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+     }
+     // Paper end
+ 
++    // Paper start
++    @Override
++    public Duration getIdleDuration() {
++        return Duration.ofMillis(net.minecraft.Util.getMillis() - this.getHandle().getLastActionTime());
++    }
++
++    @Override
++    public void resetIdleDuration() {
++        this.getHandle().resetLastActionTime();
++    }
++    // Paper end
++
+     public Player.Spigot spigot()
+     {
+         return this.spigot;