Add more DNA interactions (#21989)

* Add more DNA interactions

* remove unused import

* update based on feedback

* Add event for chemistrysystem.injector

* move event to shared; transfer dna to implanter

* doafter and interaction event fixes

* add BreakOnHandChange

* doh

* use events instead of updating component directly

* Add DataFields to ForensicScannerComponent fields

* Convert most events to system api call

Content.Shared/Forensics/Events.cs

@@ -24,3 +24,30 @@ public sealed partial class ForensicPadDoAfterEvent : DoAfterEvent
 
     public override DoAfterEvent Clone() => this;
 }
+
+[Serializable, NetSerializable]
+public sealed partial class CleanForensicsDoAfterEvent : SimpleDoAfterEvent
+{
+}
+
+/// <summary>
+/// An event to apply DNA evidence from a donor onto some recipient.
+/// </summary>
+[ByRefEvent]
+public record struct TransferDnaEvent()
+{
+    /// <summary>
+    /// The entity donating the DNA.
+    /// </summary>
+    public EntityUid Donor;
+
+    /// <summary>
+    /// The entity receiving the DNA.
+    /// </summary>
+    public EntityUid Recipient;
+
+    /// <summary>
+    /// Can the DNA be cleaned off?
+    /// </summary>
+    public bool CanDnaBeCleaned = true;
+}