Scripting: FindEntityWithName and get script instance

+ Some C# UUID stuff
+ Added some Mono functions
+ ScriptEngine:
  + ID -> ScriptInstance map in ScriptEngine
  + GetManagedInstance

+ Fixed Scene not visible after loading a new scene
  + Renamed OnViewportResize to SetViewportSize for Scene and SceneRenderer

GlitchyEngine/src/Scripting/ScriptClass.bf

@@ -90,6 +90,11 @@ class SharpClass : SharpType
 		ExtractFields();
 	}
 
+	internal bool IsType(MonoType* type)
+	{
+		return Mono.mono_class_get_type(_monoClass) == type;
+	}
+
 	private void ExtractFields()
 	{
 		//_monoFields = new List<MonoClassField*>();´

GlitchyEngine/src/Scripting/ScriptEngine.bf

@@ -151,13 +151,13 @@ static class ScriptEngine
 	
 	private static Dictionary<StringView, ScriptClass> _entityScripts = new .() ~ DeleteDictionaryAndReleaseValues!(_);
 	
-	/*private static Dictionary<UUID, ScriptInstance> _entityScriptInstances = new .() ~ {
+	private static Dictionary<UUID, ScriptInstance> _entityScriptInstances = new .() ~ {
 		for (var entry in _)
 		{
 			entry.value?.ReleaseRef();
 		}
 		delete _;
-	};*/
+	}
 	
 	public static Dictionary<StringView, ScriptClass> EntityClasses => _entityScripts;
 
@@ -197,18 +197,18 @@ static class ScriptEngine
 
 	public static void OnRuntimeStop()
 	{
-		/*for (var entry in _entityScriptInstances)
+		for (var entry in _entityScriptInstances)
 		{
 			entry.value.ReleaseRef();
 		}
-		_entityScriptInstances.Clear();*/
+		_entityScriptInstances.Clear();
 
 		SetContext(null);
 	}
 
 	public static void InitializeInstance(Entity entity, ScriptComponent* script)
 	{
-		//_entityScriptInstances[entity.UUID] = script.Instance..AddRef();
+		_entityScriptInstances[entity.UUID] = script.Instance..AddRef();
 
 		script.Instance.Instantiate(entity.UUID);
 
@@ -403,7 +403,13 @@ static class ScriptEngine
 		return _entityFields[uuid];
 	}
 
-
+	public static MonoObject* GetManagedInstance(UUID entityId)
+	{
+		if (_entityScriptInstances.TryGetValue(entityId, let scriptInstance))
+			return scriptInstance.MonoInstance;
+		
+		return null;
+	}
 
 
 

GlitchyEngine/src/Scripting/ScriptGlue.bf

@@ -11,6 +11,8 @@ using Box2D;
 
 namespace GlitchyEngine.Scripting;
 
+using internal GlitchyEngine.Scripting;
+
 static class ScriptGlue
 {
 	private static Dictionary<MonoType*, function void(Entity entityId)> s_AddComponentMethods = new .() ~ delete _;
@@ -176,11 +178,29 @@ static class ScriptGlue
 		else
 			Log.EngineLogger.AssertDebug(false, "No managed component with the given type registered.");
 	}
-	/*[RegisterCall("Input::IsMouseButtonReleasing")]
-	static void Destroy()
+	
+	[RegisterCall("ScriptGlue::Entity_FindEntityWithName")]
+	static void Entity_FindEntityWithName(MonoString* monoName, UUID* outUuid)
 	{
-		// TODO:
-	}*/
+		*outUuid = UUID(0);
+
+		char8* entityName = Mono.mono_string_to_utf8(monoName);
+
+		StringView nameString = StringView(entityName);
+
+		Result<Entity> entityResult = ScriptEngine.Context.GetEntityByName(nameString);
+
+		Mono.mono_free(entityName);
+
+		if (entityResult case .Ok(let entity))
+			*outUuid = entity.UUID;
+	}
+
+	[RegisterCall("ScriptGlue::Entity_GetScriptInstance")]
+	static MonoObject* Entity_GetScriptInstance(UUID entityId)
+	{
+		return ScriptEngine.GetManagedInstance(entityId);
+	}
 
 #endregion
 

GlitchyEngine/src/Scripting/ScriptInstance.bf

@@ -37,6 +37,8 @@ class ScriptInstance : RefCounter
 		_scriptClass?.ReleaseRef();
 	}
 
+	internal MonoObject* MonoInstance => _instance;
+
 	public void Instantiate(UUID uuid)
 	{
 		_instance = _scriptClass.CreateInstance(uuid);