NPC refactor (#10122)

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

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

@@ -0,0 +1,25 @@
+using Content.Server.Chat.Systems;
+
+namespace Content.Server.NPC.HTN.PrimitiveTasks.Operators;
+
+public sealed class SpeakOperator : HTNOperator
+{
+    private ChatSystem _chat = default!;
+
+    [ViewVariables, DataField("speech", required: true)]
+    public string Speech = string.Empty;
+
+    public override void Initialize(IEntitySystemManager sysManager)
+    {
+        base.Initialize(sysManager);
+        _chat = IoCManager.Resolve<IEntitySystemManager>().GetEntitySystem<ChatSystem>();
+    }
+
+    public override HTNOperatorStatus Update(NPCBlackboard blackboard, float frameTime)
+    {
+        var speaker = blackboard.GetValue<EntityUid>(NPCBlackboard.Owner);
+
+        _chat.TrySendInGameICMessage(speaker, Loc.GetString(Speech), InGameICChatType.Speak, false);
+        return base.Update(blackboard, frameTime);
+    }
+}