NPC refactor (#10122)

Co-authored-by: metalgearsloth <metalgearsloth@gmail.com>

Content.Server/NPC/HTN/PrimitiveTasks/Operators/SetFloatOperator.cs

@@ -0,0 +1,22 @@
+using System.Threading.Tasks;
+
+namespace Content.Server.NPC.HTN.PrimitiveTasks.Operators;
+
+/// <summary>
+/// Just sets a blackboard key to a float
+/// </summary>
+public sealed class SetFloatOperator : HTNOperator
+{
+    [DataField("targetKey", required: true)] public string TargetKey = string.Empty;
+
+    [ViewVariables(VVAccess.ReadWrite), DataField("amount")]
+    public float Amount;
+
+    public override async Task<(bool Valid, Dictionary<string, object>? Effects)> Plan(NPCBlackboard blackboard)
+    {
+        return (true, new Dictionary<string, object>()
+        {
+            {TargetKey, Amount},
+        });
+    }
+}