Simple Magic Spellbook System (#7823)

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Server/Magic/Events/KnockSpellEvent.cs

@@ -0,0 +1,24 @@
+using Content.Shared.Actions;
+using Content.Shared.Sound;
+
+namespace Content.Server.Magic.Events;
+
+public sealed class KnockSpellEvent : InstantActionEvent
+{
+    /// <summary>
+    /// The range this spell opens doors in
+    /// 4f is the default
+    /// </summary>
+    [DataField("range")]
+    public float Range = 4f;
+
+    [DataField("knockSound")]
+    public SoundSpecifier KnockSound = new SoundPathSpecifier("/Audio/Magic/knock.ogg");
+
+    /// <summary>
+    /// Volume control for the spell.
+    /// -6f is default because the base soundfile is really loud
+    /// </summary>
+    [DataField("knockVolume")]
+    public float KnockVolume = -6f;
+}