xenoarch: arti effect happens faster, for more fun danger (#4743)

* xenoarch: arti effect happens faster, for more fun danger

* minor review comments

Content.Shared/Xenoarchaeology/Artifact/Components/XenoArtifactComponent.cs

@@ -78,6 +78,14 @@ public sealed partial class XenoArtifactComponent : Component
     [DataField]
     public TimeSpan UnlockStateRefractory = TimeSpan.FromSeconds(5);
 
+    /// <summary>
+    /// DeltaV - If set, will overwrite the unlocking state time remaining as soon as a node is ready to unlock (triggers are met).
+    ///   (why: letting the timer run out naturally makes artifacts less dangerous, since scientists have lots of time to run away)
+    /// If null, the unlock time will just run its course naturally.
+    /// </summary>
+    [DataField]
+    public TimeSpan? UnlockCompleteDuration = TimeSpan.FromSeconds(0.7);
+    
     /// <summary>
     /// When next unlock session can be triggered.
     /// </summary>

Content.Shared/Xenoarchaeology/Artifact/SharedXenoArtifactSystem.XAT.cs

@@ -90,6 +90,16 @@ public abstract partial class SharedXenoArtifactSystem
 
         if (node != null && unlockingComp.TriggeredNodeIndexes.Add(GetIndex(ent, node.Value)))
         {
+            // DeltaV - start of faster unlock effect
+            if (
+                ent.Comp.UnlockCompleteDuration is {} completeDuration 
+                && TryGetNodeFromUnlockState((ent.Owner, unlockingComp, ent.Comp), out var unlockingNode)
+            )
+            {
+                unlockingComp.EndTime = _timing.CurTime + completeDuration;
+            }
+            // DeltaV - end of faster unlock effect
+
             Dirty(ent, unlockingComp);
         }
     }