Quick ai fix to fix npcs with AI_DefaultNew & make all ai able to pro…

…gress through the script (#94)

* quick ai fix to get its initial state unstuck

* switched npcs with AI_DefaultNew to use AI_Default since DefaultNew is missing

Maple2.Server.Game/Model/Field/Actor/ActorState/AiState.cs

@@ -33,6 +33,10 @@ public bool SetAi(string name) {
             return false;
         }
 
+        if (name == "AI_DefaultNew.xml") {
+            name = "AI_Default.xml";
+        }
+
         AiMetadata? metadata;
 
         if (!actor.Field.AiMetadata.TryGet(name, out metadata)) {
@@ -54,7 +58,8 @@ public void Update(long tickCount) {
         if (nextUpdate > tickCount) {
             return;
         }
-        if (AiMetadata is null || lastEvaluated != AiMetadata) {
+
+        if (AiMetadata is null) {
             if (actor.Value.Metadata.AiPath != "") {
                 actor.AppendDebugMessage("Missing AI\n");
                 actor.AppendDebugMessage(actor.Value.Metadata.AiPath);
@@ -65,6 +70,10 @@ public void Update(long tickCount) {
             return;
         }
 
+        if (lastEvaluated != AiMetadata) {
+            aiStack.Clear();
+        }
+
         lastEvaluated = AiMetadata;
 
         if (aiStack.Count == 0) {