Add Modular grenades (chemnades). (#7138)

Content.Server/Explosion/Components/ActiveTimerTriggerComponent.cs

@@ -0,0 +1,29 @@
+using Content.Shared.Sound;
+using Robust.Shared.Audio;
+
+namespace Content.Server.Explosion.Components;
+
+/// <summary>
+///     Component for tracking active trigger timers. A timers can activated by some other component, e.g. <see cref="OnUseTimerTriggerComponent"/>.
+/// </summary>
+[RegisterComponent]
+public sealed class ActiveTimerTriggerComponent : Component
+{
+    [DataField("timeRemaining")]
+    public float TimeRemaining;
+
+    [DataField("user")]
+    public EntityUid? User;
+
+    [DataField("beepInterval")]
+    public float BeepInterval;
+
+    [DataField("timeUntilBeep")]
+    public float TimeUntilBeep;
+
+    [DataField("beepSound")]
+    public SoundSpecifier? BeepSound;
+
+    [DataField("beepParams")]
+    public AudioParams BeepParams = AudioParams.Default;
+}