Added EngineResult glue type, some cleanup

ScriptCore/Core/EngineResult.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Security.Cryptography.X509Certificates;
+
+namespace GlitchyEngine.Core;
+
+[EngineClass("GlitchyEngine.Scripting.ScriptGlue.EngineResult")]
+internal enum EngineResult
+{
+    Ok = 0, // Success, can mean True
+    False = 1, // Success, can mean False
+    Error = -1,
+    NotImplemented = -2,
+    ArgumentError = -3,
+
+    // Entity Errors:
+    EntityNotFound = -4, // The entity doesn't exist or was deleted.
+    EntityDoesntHaveComponent = -5, // The entity has no component of type {typeof(T)} or it was deleted.
+    AssetNotFound = -6, // No asset exists for AssetHandle \"{assetId}\".
+}
+
+public class EngineException(string message) : Exception(message);
+
+public class EntityNotFoundException : Exception
+{
+    
+}
+
+public class ComponentNotFoundException : Exception
+{
+    
+}
+
+public class AssetNotFoundException : Exception
+{
+
+}
+
+internal static class EngineErrors
+{
+    public static void ThrowIfError(EngineResult result, [CallerMemberName]string callerName = "")
+    {
+        if (result >= 0)
+            return;
+
+        switch (result)
+        {
+            case EngineResult.Error:
+                throw new EngineException($"Unspecified engine excepiton in {callerName}");
+            case EngineResult.NotImplemented:
+                throw new NotImplementedException($"Function {callerName} is not implemented in the engine.");
+            case EngineResult.ArgumentError:
+                throw new ArgumentException($"An argument passed to {callerName} is invalid.");
+            case EngineResult.EntityNotFound:
+                throw new EntityNotFoundException();
+            case EngineResult.EntityDoesntHaveComponent:
+                throw new ComponentNotFoundException();
+            case EngineResult.AssetNotFound:
+                throw new AssetNotFoundException();
+            default:
+                throw new EngineException($"Unknown engine excepiton in {callerName}");
+        }
+    }
+}

ScriptCore/ScriptGlue.cs

@@ -305,8 +305,6 @@ internal static unsafe partial class ScriptGlue
     [UnmanagedCallersOnly]
     public static void CreateScriptInstance(UUID entityId, byte* scriptClassName)
     {
-        Log.Info("Exception");
-
         Type? scriptType = GetTypeFromNativeString(scriptClassName);
 
         Debug.Assert(scriptType != null, "Script class Type not found.");