blah

.scalafmt.conf

@@ -1 +1,4 @@
 version = "2.6.4"
+rewrite {
+  rules = [SortImports, RedundantBraces]
+}

build.sbt

@@ -61,15 +61,15 @@ lazy val root = (project in file(".")).settings(
     "org.jmonkeyengine" % "jme3-blender" % jmeVersion,
     "com.github.stephengold" % "Minie" % "3.0.0",
     "com.simsilica" % "zay-es" % "1.2.1",
-    "org.typelevel" %% "cats-core" % "2.1.1",
+    "org.typelevel" %% "cats-core" % "2.3.0",
     "com.lihaoyi" % "ammonite" % "2.2.0" cross CrossVersion.full,
     "org.jetbrains.kotlin" % "kotlin-main-kts" % "1.4.10",
     "org.jetbrains.kotlin" % "kotlin-scripting-jsr223" % "1.4.10",
     "org.codehaus.groovy" % "groovy-all" % "3.0.6" pomOnly (),
     "org.scalafx" %% "scalafx" % "14-R19",
     "com.typesafe.akka" %% "akka-actor-typed" % "2.6.10",
-    "org.typelevel" %% "cats-core" % "2.1.1",
+    "org.typelevel" %% "cats-core" % "2.3.0",
-    "org.typelevel" %% "cats-effect" % "2.1.4",
+    "org.typelevel" %% "cats-effect" % "2.3.0",
     "io.monix" %% "monix" % "3.2.2",
     "io.monix" %% "monix-bio" % "1.1.0",
     "io.circe" %% "circe-core" % "0.13.0",
@@ -96,7 +96,8 @@ lazy val root = (project in file(".")).settings(
     "com.badlogicgames.gdx" % "gdx-ai" % "1.8.2",
     "org.recast4j" % "recast" % "1.2.5",
     "org.recast4j" % "detour" % "1.2.5",
-    "com.lihaoyi" %% "pprint" % "0.6.0"
+    "com.lihaoyi" %% "pprint" % "0.6.0",
+    "org.scalatest" %% "scalatest" % "3.2.2" % "test"
   ),
   // Determine OS version of JavaFX binaries
 
@@ -208,4 +209,7 @@ initialCommands in (console) := """ammonite.Main.main(Array.empty)"""
 // To learn more about multi-project builds, head over to the official sbt
 // documentation at http://www.scala-sbt.org/documentation.html
 addCompilerPlugin("com.olegpy" %% "better-monadic-for" % "0.3.1")
+addCompilerPlugin(
+  "org.typelevel" %% "kind-projector" % "0.11.1" cross CrossVersion.full
+)
 ThisBuild / scalafixDependencies += "com.github.liancheng" %% "organize-imports" % "0.4.3"

src/main/resources/application.conf

@@ -1,7 +1,7 @@
-# jme-dispatcher {
+jme-dispatcher {
-#   type = "Dispatcher"
+  type = "Dispatcher"
-#   name = "JME-Thread"
+  name = "JME-Thread"
-#   executor = "wow.doge.mygame.executors.JMEThreadExecutorServiceConfigurator"
+  executor = "wow.doge.mygame.executors.JMEThreadExecutorServiceConfigurator"
-#   throughput = 1
+  throughput = 1
-# }
+}
 # akka.jvm-exit-on-fatal-error = on

src/main/scala/org/slf4j/impl/StaticLoggerBuilder.scala

@@ -32,13 +32,13 @@ class StaticLoggerBinder extends OdinLoggerBinder[IO] {
     def apply[A](fa: _root_.monix.bio.Task[A]): IO[A] = fa.to[IO]
   }
 
-  private lazy val (defaultConsoleLogger, release1) =
+  val (defaultConsoleLogger, release1) =
     consoleLogger[IO](minLevel = Level.Debug)
       .withAsync(timeWindow = 1.milliseconds, maxBufferSize = Some(2000))
       .allocated
       .unsafeRunSync()
 
-  private lazy val (mainFileLogger, release2) =
+  val (mainFileLogger, release2) =
     fileLogger[IO](
       "application-log-2.log",
       Formatter.json,
@@ -51,7 +51,7 @@ class StaticLoggerBinder extends OdinLoggerBinder[IO] {
     lm.copy(message = lm.message.map(s => fansi.Str(s).plainText))
   )
 
-  private lazy val (eventBusFileLogger, release3) =
+  val (eventBusFileLogger, release3) =
     fileLogger[IO](
       "eventbus.log",
       Formatter.json,

src/main/scala/wow/doge/mygame/AppError.scala

@@ -0,0 +1,6 @@
+package wow.doge.mygame
+
+sealed trait AppError
+object AppError {
+  case class TimeoutError(reason: String) extends AppError
+}

src/main/scala/wow/doge/mygame/Dispatchers.scala

@@ -0,0 +1,7 @@
+package wow.doge.mygame
+
+import akka.actor.typed.DispatcherSelector
+
+object Dispatchers {
+  val jmeDispatcher = DispatcherSelector.fromConfig("jme-dispatcher")
+}

src/main/scala/wow/doge/mygame/Main.scala

@@ -5,8 +5,7 @@ import scala.concurrent.duration._
 import _root_.monix.bio.BIOApp
 import _root_.monix.bio.Task
 import _root_.monix.bio.UIO
-import akka.actor.typed.ActorSystem
+import _root_.monix.execution.Scheduler
-import akka.actor.typed.SpawnProtocol
 import akka.util.Timeout
 import cats.effect.ExitCode
 import cats.effect.Resource
@@ -22,31 +21,24 @@ object Main extends BIOApp with MainModule {
   JLogger.getLogger("").setLevel(Level.SEVERE)
   implicit val timeout = Timeout(1.second)
 
+  override def scheduler: Scheduler = schedulers.async
+
   def appResource(consoleStream: GenericConsoleStream[TextArea]) =
     for {
       logger <-
         consoleLogger().withAsync(
           timeWindow = 1.milliseconds,
-          maxBufferSize = Some(2000)
+          maxBufferSize = Some(100)
         ) |+|
           fileLogger(
             "application-log-1.log",
             Formatter.json
           ).withAsync(timeWindow = 1.milliseconds, maxBufferSize = Some(2000))
       jmeScheduler <- jMESchedulerResource
-      implicit0(actorSystem: ActorSystem[SpawnProtocol.Command]) <-
+      actorSystem <- actorSystemResource(logger, schedulers.async)
-        actorSystemResource(logger)
-      // gameApp <- {
-      //   // new BulletAppState()
-      //   // bas.setThreadingType(Thr)
-      //   // gameAppResource(new StatsAppState())
-      //   wire[GameAppResource].get
-      // }
       _ <- Resource.liftF(
         new MainApp(
           logger,
-          // gameApp,
-          // actorSystem,
           jmeScheduler,
           schedulers,
           consoleStream
@@ -56,11 +48,11 @@ object Main extends BIOApp with MainModule {
     } yield ()
 
   def run(args: List[String]): UIO[ExitCode] = {
-
+    val consoleStream = GenericConsoleStream.textAreaStream()
-    lazy val consoleStream = GenericConsoleStream.textAreaStream()
     Console.withOut(consoleStream)(
       appResource(consoleStream)
-        .use(_ => Task.unit >> Task(consoleStream.close()))
+        .use(_ => Task.unit)
+        .flatMap(_ => Task(consoleStream.close()))
         .onErrorHandleWith(ex => UIO(ex.printStackTrace()))
         .as(ExitCode.Success)
     )

src/main/scala/wow/doge/mygame/MainApp.scala

@@ -1,5 +1,6 @@
 package wow.doge.mygame
 
+import akka.actor.typed.ActorRef
 import akka.actor.typed.ActorSystem
 import akka.actor.typed.Scheduler
 import akka.actor.typed.SpawnProtocol
@@ -8,10 +9,12 @@ import cats.effect.Resource
 import cats.effect.concurrent.Deferred
 import cats.syntax.eq._
 import com.jme3.app.state.AppStateManager
-import com.jme3.asset.AssetManager
 import com.jme3.asset.plugins.ZipLocator
 import com.jme3.bullet.control.BetterCharacterControl
 import com.jme3.input.InputManager
+import com.jme3.material.Material
+import com.jme3.material.MaterialDef
+import com.jme3.math.FastMath
 import com.jme3.renderer.Camera
 import com.jme3.renderer.RenderManager
 import com.jme3.renderer.ViewPort
@@ -23,18 +26,21 @@ import io.odin.Logger
 import monix.bio.Fiber
 import monix.bio.IO
 import monix.bio.Task
-import monix.execution.exceptions.DummyException
+import monix.bio.UIO
 import scalafx.scene.control.TextArea
 import wow.doge.mygame.executors.Schedulers
 import wow.doge.mygame.game.GameApp
 import wow.doge.mygame.game.GameAppActor
+import wow.doge.mygame.game.GameAppResource
 import wow.doge.mygame.game.GameAppTags
 import wow.doge.mygame.game.entities.EntityIds
 import wow.doge.mygame.game.entities.NpcActorSupervisor
 import wow.doge.mygame.game.entities.NpcMovementActor
+import wow.doge.mygame.game.entities.PlayerActorSupervisor
 import wow.doge.mygame.game.entities.PlayerController
 import wow.doge.mygame.game.entities.PlayerControllerTags
 import wow.doge.mygame.game.subsystems.input.GameInputHandler
+import wow.doge.mygame.game.subsystems.level.DefaultGameLevel
 import wow.doge.mygame.implicits._
 import wow.doge.mygame.launcher.Launcher
 import wow.doge.mygame.launcher.Launcher.LauncherResult
@@ -48,8 +54,14 @@ import wow.doge.mygame.subsystems.scriptsystem.ScriptSystemResource
 import wow.doge.mygame.utils.AkkaUtils
 import wow.doge.mygame.utils.GenericConsoleStream
 import wow.doge.mygame.utils.wrappers.jme.AppNode
-import wow.doge.mygame.game.subsystems.level.DefaultGameLevel
+import wow.doge.mygame.utils.wrappers.jme.AssetManager
-import com.jme3.math.FastMath
+import wow.doge.mygame.utils.wrappers.jme.PhysicsSpace
+import wow.doge.mygame.subsystems.events.EventBus.ObservableSubscription
+import wow.doge.mygame.subsystems.events.PlayerMovementEvent
+import monix.reactive.Observable
+import monix.eval.Coeval
+import wow.doge.mygame.utils.IOUtils
+import com.jme3.math.ColorRGBA
 
 class MainApp(
     logger: Logger[Task],
@@ -57,37 +69,52 @@ class MainApp(
     schedulers: Schedulers,
     consoleStream: GenericConsoleStream[TextArea]
 )(implicit
-    spawnProtocol: ActorSystem[SpawnProtocol.Command],
+    spawnProtocol: ActorRef[SpawnProtocol.Command],
-    @annotation.unused timeout: Timeout,
+    timeout: Timeout,
-    @annotation.unused scheduler: Scheduler
+    scheduler: Scheduler
 ) {
 
   val scriptSystemInit =
     new ScriptSystemResource(os.pwd, ScriptInitMode.Eager).init
 
-  val eventsModule = new EventsModule(spawnProtocol)
+  val eventsModule = new EventsModule(scheduler, spawnProtocol)
+
+  class TestClass(
+      playerEventBus: GameEventBus[PlayerEvent],
+      tickEventBus: GameEventBus[TickEvent]
+  )
 
   def gameInit: Resource[Task, Fiber[Throwable, Unit]] =
-    GameApp.resource(logger, jmeThread, schedulers).evalMap {
+    wire[GameAppResource].resource.evalMap {
       case gameApp -> gameAppFib =>
         for {
           playerEventBus <- eventsModule.playerEventBusTask
           mainEventBus <- eventsModule.mainEventBusTask
           tickEventBus <- eventsModule.tickEventBusTask
-          gameAppActor <- AkkaUtils.spawnActorL(
+          obs <- playerEventBus.askL[Observable[PlayerMovementEvent]](
+            ObservableSubscription(_)
+          )
+          _ <- IOUtils.toIO(
+            obs
+              .doOnNextF(pme => Coeval(pprint.log(s"Received event $pme")).void)
+              .completedL
+              .startAndForget
+          )
+          inputManager <- gameApp.inputManager
+          assetManager <- UIO.pure(gameApp.assetManager)
+          stateManager <- gameApp.stateManager
+          camera <- gameApp.camera
+          rootNode <- UIO.pure(gameApp.rootNode)
+          enqueueR <- UIO(gameApp.enqueue _)
+          viewPort <- gameApp.viewPort
+          physicsSpace <- UIO.pure(gameApp.physicsSpace)
+          _ <- logger.info("before")
+          // jfxUI <- gameApp.jfxUI
+          gameAppActor <- gameApp.spawnGameActor(
             GameAppActor.Props(tickEventBus).behavior,
             "gameAppActor"
           )
           _ <- gameAppActor !! GameAppActor.Start
-          inputManager <- gameApp.inputManager
-          assetManager <- gameApp.assetManager
-          stateManager <- gameApp.stateManager
-          camera <- gameApp.camera
-          rootNode <- Task.pure(gameApp.rootNode)
-          enqueueR <- Task(gameApp.enqueue _)
-          viewPort <- gameApp.viewPort
-          _ <- logger.info("before")
-          // jfxUI <- gameApp.jfxUI
           consoleTextArea <- Task(new TextArea {
             text = "hello \n"
             editable = false
@@ -98,9 +125,6 @@ class MainApp(
           // _ <- Task(consoleStream := consoleTextArea)
           // _ <- Task(jfxUI += consoleTextArea)
           _ <- logger.info("after")
-          // bulletAppState <- Task(new BulletAppState())
-          // _ <- Task(stateManager.attach(bulletAppState))
-          // bulletAppState <- Task.pure(gameApp.bulletAppstate)
           _ <- logger.info("Initializing console stream")
           _ <-
             wire[MainAppDelegate]
@@ -109,6 +133,13 @@ class MainApp(
         } yield gameAppFib
     }
 
+  // val x: Task[Unit] = for {
+  //   tickEventBus <- eventsModule.tickEventBusTask
+  //   playerEventBus <- eventsModule.playerEventBusTask
+  //   _ <- UIO(wire[TestClass])
+  //   _ <- gameInit(tickEventBus).use(_.join)
+  // } yield ()
+
   val program = for {
     scriptSystem <- scriptSystemInit
     launchSignal <- Deferred[Task, Launcher.LauncherResult]
@@ -125,6 +156,7 @@ class MainApp(
         */
       else
         gameInit.use(_.join)
+
   } yield ()
 }
 
@@ -139,47 +171,44 @@ class MainAppDelegate(
     inputManager: InputManager,
     assetManager: AssetManager,
     stateManager: AppStateManager,
+    physicsSpace: PhysicsSpace[Task],
     camera: Camera,
     viewPort: ViewPort,
     enqueueR: Function1[() => Unit, Unit],
     rootNode: AppNode[Task] @@ GameAppTags.RootNode
-    // bulletAppState: BulletAppState
 )(implicit
-    spawnProtocol: ActorSystem[SpawnProtocol.Command],
+    spawnProtocol: ActorRef[SpawnProtocol.Command],
-    @annotation.unused timeout: Timeout,
+    timeout: Timeout,
-    @annotation.unused scheduler: Scheduler
+    scheduler: Scheduler
 ) {
-  // val physicsSpace = bulletAppState.physicsSpace
+
-  val physicsSpace = gameApp.physicsSpace
   def init(
       // appScheduler: monix.execution.Scheduler
       // consoleStream: GenericConsoleStream[TextArea]
   ) =
     for {
       _ <- loggerL.info("Initializing Systems")
-      _ <- loggerL.debug(physicsSpace.toString())
+      _ <- assetManager.registerLocator(
-      _ <- Task(
-        assetManager.registerLocator(
         os.rel / "assets" / "town.zip",
         classOf[ZipLocator]
       )
-      )
       _ <- loggerL.info("test")
       // _ <- Task(consoleStream.println("text"))
       _ <- DefaultGameLevel(assetManager, viewPort)
-        .addToGame(rootNode, physicsSpace)
+        .flatMap(_.addToGame(rootNode, physicsSpace).hideErrors)
+        .onErrorHandleWith(e => loggerL.error(e.toString))
       _ <- createPlayerController()
-        .absorbWith(e => DummyException(e.toString()))
+        .onErrorHandleWith(e => loggerL.error(e.toString))
       // .onErrorRestart(3)
       _ <- wire[GameInputHandler.Props].begin
       // .onErrorRestart(3)
-      // johnActor <- createTestNpc(appScheduler, "John").executeOn(appScheduler)
+      johnActor <- createTestNpc("John")
+        .onErrorHandleWith(e => IO.raiseError(new Throwable(e.toString)))
       // _ <- johnActor !! NpcActorSupervisor.Move(ImVector3f(0, 0, 20))
 
       // _ <-
-      //   (johnActor !! NpcActorSupervisor.Move(
+      //   johnActor
-      //     ImVector3f(-30, 0, 10)
+      //     .tellL(NpcActorSupervisor.Move(ImVector3f(-30, 0, 10)))
-      //   )).executeAsync
       //     .delayExecution(2.seconds)
       // _ <-
       //   IOUtils
@@ -195,53 +224,40 @@ class MainAppDelegate(
 
   def createPlayerController(
       // appScheduler: monix.execution.Scheduler
-  ): IO[PlayerController.Error, Unit] = {
+  ): IO[PlayerController.Error, ActorRef[PlayerActorSupervisor.Command]] = {
     val playerPos = ImVector3f.ZERO
     val modelPath = os.rel / "Models" / "Jaime" / "Jaime.j3o"
     val playerPhysicsControl =
       PlayerController.Defaults.defaultPlayerPhysicsControl
         .taggedWith[PlayerControllerTags.PlayerTag]
-    // lazy val camNode =
+    for {
-    //   PlayerController.Defaults
+      playerModel <-
-    //     .defaultCamerNode(camera, playerPos)
+        assetManager
-    // .taggedWith[PlayerControllerTags.PlayerCameraNode]
+          .loadModelAs[Node](modelPath)
-    val playerModel = assetManager
+          .map(_.withRotate(0, FastMath.PI, 0))
-      .loadModel(modelPath)
+          .mapError(PlayerController.CouldNotCreatePlayerModel)
-      .asInstanceOf[Node]
+      playerNode <- UIO(
-      .withRotate(0, FastMath.PI, 0)
+        PlayerController.Defaults
-    val mbPlayerNode = PlayerController.Defaults
           .defaultPlayerNode(
             playerPos,
             playerModel,
             playerPhysicsControl
           )
-    val cameraPivotNode = new Node(EntityIds.CameraPivot.value)
-      .taggedWith[PlayerControllerTags.PlayerCameraPivotNode]
-
-    for {
-      playerNode <- IO.fromEither(mbPlayerNode)
-      _ <- IO(cameraPivotNode.addControl(new FollowControl(playerNode)))
-        .onErrorHandleWith(e =>
-          IO.raiseError(PlayerController.GenericError(e.getMessage()))
       )
-      camNode <- IO(
+      cameraPivotNode <- UIO(
+        new Node(EntityIds.CameraPivot.value)
+          .withControl(new FollowControl(playerNode))
+          .taggedWith[PlayerControllerTags.PlayerCameraPivotNode]
+      )
+      camNode <- UIO(
         PlayerController.Defaults
-          .defaultCamerNode(camera, cameraPivotNode, playerNode, playerPos)
+          .defaultCamerNode(camera, playerPos)
-      ).onErrorHandleWith(e =>
+          .taggedWith[PlayerControllerTags.PlayerCameraNode]
-        IO.raiseError(PlayerController.GenericError(e.getMessage()))
+      )
-      ).map(_.taggedWith[PlayerControllerTags.PlayerCameraNode])
+      playerActor <- wire[PlayerController.Props].create
-      // _ <- Task {
+    } yield playerActor
-      //   val chaseCam = new ChaseCamera(camera, playerNode, inputManager)
-      //   chaseCam.setSmoothMotion(false)
-      //   chaseCam.setLookAtOffset(new Vector3f(0, 1.5f, 10))
-      //   chaseCam
-      // }
-      //   .onErrorHandleWith(e =>
-      //     IO.raiseError(PlayerController.GenericError(e.getMessage()))
-      //   )
-      _ <- wire[PlayerController.Props].create
-    } yield ()
   }
+
   def createTestNpc(
       // appScheduler: monix.execution.Scheduler,
       npcName: String
@@ -250,12 +266,7 @@ class MainAppDelegate(
     val npcPhysicsControl = new BetterCharacterControl(1.5f, 6f, 1f)
       // (1f, 2.1f, 10f)
       .withJumpForce(ImVector3f(0, 5f, 0))
-    val mbNpcNode = PlayerController.Defaults.defaultNpcNode(
+
-      assetManager,
-      initialPos,
-      npcPhysicsControl,
-      npcName
-    )
     val npcActorTask = AkkaUtils.spawnActorL(
       NpcActorSupervisor
         .Props(
@@ -263,6 +274,7 @@ class MainAppDelegate(
             enqueueR,
             initialPos,
             // tickEventBus,
+            npcName,
             npcPhysicsControl
           ).behavior,
           npcName,
@@ -271,28 +283,35 @@ class MainAppDelegate(
         .behavior,
       s"${npcName}-npcActorSupervisor"
     )
-    // .taggedWith[PlayerControllerTags.PlayerTag]
 
     for {
-      npcNode <- IO.fromEither(mbNpcNode)
+      materialDef <- assetManager.loadAssetAs[MaterialDef](
-      npcActor <- npcActorTask
+        os.rel / "Common" / "MatDefs" / "Misc" / "Unshaded.j3md"
-      // _ <- IO {
+      )
-      //   physicsSpace += npcPhysicsControl
+      material = new Material(materialDef)
-      //   physicsSpace += npcNode
+      _ = material.setColor("Color", ColorRGBA.Blue)
-      //   // rootNode += npcNode
+      mesh = PlayerController.Defaults.defaultMesh.withMaterial(material)
-      // }
+      npcNode = PlayerController.Defaults.defaultNpcNode(
+        mesh,
+        initialPos,
+        npcPhysicsControl,
+        npcName
+      )
+      npcActor <- npcActorTask.hideErrors
+      _ <- (for {
           _ <- physicsSpace += npcPhysicsControl
           _ <- physicsSpace += npcNode
           _ <- rootNode += npcNode
+        } yield ()).hideErrors
     } yield npcActor
+
   }
 
 }
 
 class FollowControl(playerNode: Node) extends AbstractControl {
-  override def controlUpdate(tpf: Float): Unit = {
+  override def controlUpdate(tpf: Float): Unit =
     this.spatial.setLocalTranslation(playerNode.getLocalTranslation())
-  }
   override def controlRender(
       rm: RenderManager,
       vp: ViewPort

src/main/scala/wow/doge/mygame/MainModule.scala

@@ -5,15 +5,22 @@ import cats.effect.Resource
 import io.odin.Logger
 import monix.bio.Task
 import wow.doge.mygame.executors.ExecutorsModule
+import akka.actor.BootstrapSetup
+import monix.execution.Scheduler
 
 trait MainModule extends ExecutorsModule {
 
   def actorSystemResource(
-      logger: Logger[Task]
+      logger: Logger[Task],
+      scheduler: Scheduler
   ): Resource[Task, ActorSystem[SpawnProtocol.Command]] =
     Resource.make(
       logger.info("Creating Actor System") >> Task(
-        ActorSystem(SpawnProtocol(), name = "GameActorSystem")
+        ActorSystem(
+          SpawnProtocol(),
+          name = "GameActorSystem",
+          BootstrapSetup().withDefaultExecutionContext(scheduler)
+        )
       )
     )(sys =>
       for {

src/main/scala/wow/doge/mygame/executors/ExecutorsModule.scala

@@ -1,23 +1,32 @@
 package wow.doge.mygame.executors
 
 import cats.effect.Resource
+import monix.bio.IO
 import monix.bio.Task
+import monix.bio.UIO
 import monix.execution.Scheduler
 
 trait ExecutorsModule {
-  lazy val schedulers = Schedulers()
+  val schedulers = Schedulers()
-  // Resource.make(
+  val acquire: UIO[Either[Error, Int]] =
-  //   Task(
+    IO.pure(1).onErrorHandleWith(_ => IO.raiseError(Error)).attempt
-  //     new Schedulers(
+  // : Resource[IO[Error, Unit], Unit]
-  //       jme = Scheduler
+  val res = Resource.make(acquire)(_ => IO.unit)
-  //         .singleThread(name = "JME-Application-Thread", daemonic = false)
+  val x: Task[Either[Error, Unit]] = res.use {
-  //     )
+    case Right(value) => Task(Right(println(s"got $value")))
-  //   )
+    case Left(value)  => Task(Left(value))
-  // )(s => Task(s.jme.shutdown()))
+  }
-  lazy val jMESchedulerResource = Resource.make(
+  val z = x.onErrorHandleWith(ex => UIO(Right(ex.printStackTrace())))
+  val y: IO[Error, Unit] = z >>
+    x.hideErrors.rethrow
+
+  val jMESchedulerResource = Resource.make(
     Task(
       Scheduler
         .singleThread(name = "JME-Application-Thread", daemonic = false)
     )
   )(e => Task(e.shutdown()))
 }
+
+sealed trait Error
+case object Error extends Error

src/main/scala/wow/doge/mygame/executors/GUIExecutor.scala

@@ -42,13 +42,13 @@ object SwingExecutorService extends GUIExecutorService {
 
 object JMEExecutorService extends GUIExecutorService {
   override def execute(command: Runnable) =
-    JMERunner.runner.enqueue(command)
+    JMERunner.runner.get.apply(command)
   // new SingleThreadEventExecutor()
   sys.addShutdownHook(JMEExecutorService.shutdown())
 }
 
 object JMERunner {
-  var runner: com.jme3.app.Application = null
+  var runner: Option[Runnable => Unit] = None
 
 }
 

src/main/scala/wow/doge/mygame/game/GameApp.scala

@@ -1,9 +1,16 @@
 package wow.doge.mygame.game
 
+import scala.concurrent.duration._
+
+import akka.actor.typed.ActorRef
+import akka.actor.typed.Behavior
+import akka.actor.typed.Props
+import akka.actor.typed.SpawnProtocol
+import akka.actor.typed.scaladsl.AskPattern._
+import akka.util.Timeout
 import cats.effect.Resource
 import cats.effect.concurrent.Deferred
 import com.jme3.app.state.AppStateManager
-import com.jme3.asset.AssetManager
 import com.jme3.bullet.BulletAppState
 import com.jme3.input.InputManager
 import com.jme3.scene.Node
@@ -12,20 +19,23 @@ import com.jme3.system.AppSettings
 import com.softwaremill.tagging._
 import com.typesafe.scalalogging.{Logger => SLogger}
 import io.odin.Logger
-import monix.bio.IO
+import monix.bio.Fiber
 import monix.bio.Task
+import monix.bio.UIO
 import monix.catnap.ConcurrentChannel
 import monix.catnap.ConsumerF
-import monix.catnap.Semaphore
 import monix.eval.Coeval
+import monix.execution.CancelableFuture
+import monix.execution.CancelablePromise
 import monix.execution.Scheduler
+import wow.doge.mygame.executors.JMERunner
 import wow.doge.mygame.executors.Schedulers
+import wow.doge.mygame.utils.GenericTimerActor
 import wow.doge.mygame.game.subsystems.ui.JFxUI
 import wow.doge.mygame.implicits._
+import wow.doge.mygame.utils.AkkaUtils
 import wow.doge.mygame.utils.wrappers.jme._
-
+import wow.doge.mygame.Dispatchers
-sealed trait Error
-case object FlyCamNotExists extends Error
 
 object GameAppTags {
   sealed trait RootNode
@@ -33,47 +43,58 @@ object GameAppTags {
   sealed trait GuiNode
 }
 
-class GameApp private (logger: Logger[Task], app: SimpleAppExt) {
+class GameApp private[game] (
+    logger: Logger[Task],
+    app: SimpleAppExt,
+    gameActor: ActorRef[TestGameActor.Command],
+    gameSpawnProtocol: ActorRef[SpawnProtocol.Command]
+) {
   def stateManager: Task[AppStateManager] = Task(app.getStateManager())
   def inputManager: Task[InputManager] = Task(app.getInputManager())
-  def assetManager: Task[AssetManager] = Task(app.getAssetManager())
+  def assetManager = new AssetManager(app.getAssetManager())
   def guiNode = Task(app.getGuiNode().taggedWith[GameAppTags.GuiNode])
-  def guiNode2 = AppNode[Task](app.getGuiNode()).taggedWith[GameAppTags.GuiNode]
+  val guiNode2 = AppNode[Task](app.getGuiNode()).taggedWith[GameAppTags.GuiNode]
-  def flyCam =
+  def flyCam = Option(app.getFlyByCamera())
-    IO(app.getFlyByCamera()).onErrorHandleWith(_ =>
-      IO.raiseError(FlyCamNotExists)
-    )
   def camera = Task(app.getCamera())
   def viewPort = Task(app.getViewPort())
   // def rootNode = Task(app.getRootNode().taggedWith[GameAppTags.RootNode])
   val rootNode =
     AppNode[Task](app.getRootNode()).taggedWith[GameAppTags.RootNode]
-
   val physicsSpace = new PhysicsSpace[Task](app.bulletAppState.physicsSpace)
-  def enqueue(cb: () => Unit) =
+  def enqueue(cb: () => Unit) = app.enqueueR(() => cb())
-    app.enqueue(new Runnable {
-      override def run() = cb()
-    })
   def enqueueL[T](cb: () => T): Task[T] = app.enqueueL(cb)
 
+  def spawnGameActor[T](
+      behavior: Behavior[T],
+      actorName: String,
+      props: Props = Dispatchers.jmeDispatcher
+  )(implicit scheduler: akka.actor.typed.Scheduler) =
+    AkkaUtils.spawnActorL(behavior, actorName, props)(
+      2.seconds,
+      scheduler,
+      gameSpawnProtocol
+    )
+
   def scheduler = app.scheduler
   def jfxUI = JFxUI(app)
 
 }
 
-object GameApp {
+class GameAppResource(
-
-  def resource(
     logger: Logger[Task],
     jmeThread: Scheduler,
     schedulers: Schedulers
-  ) =
+)(implicit
+    timeout: Timeout,
+    scheduler: akka.actor.typed.Scheduler,
+    spawnProtocol: ActorRef[SpawnProtocol.Command]
+) {
+  def resource: Resource[Task, (GameApp, Fiber[Throwable, Unit])] =
     Resource.make {
       lazy val bullet = new BulletAppState
       for {
-        // bullet <- Task(new BulletAppState)
-        // startSignal <- Task(CancelablePromise[Unit]())
         app <- Task(new SimpleAppExt(schedulers, bullet))
+        _ <- UIO(JMERunner.runner = Some(app.enqueue _))
         _ <- Task {
           val settings = new AppSettings(true)
           settings.setVSync(true)
@@ -88,34 +109,76 @@ object GameApp {
 
         fib <- Task(app.start).executeOn(jmeThread).start
         _ <- Task.deferFuture(app.started)
-        // _ <- Task.fromCancelablePromise(startSignal)
+        testGameActor <- AkkaUtils.spawnActorL(
-        _ <- Task(pprint.log(bullet.toString()))
+          new TestGameActor.Props().create,
-        _ <- Task(println(bullet.physicsSpace.toString()))
+          "testGameActor",
-        gameApp <- Task(new GameApp(logger, app))
+          Dispatchers.jmeDispatcher
-      } yield gameApp -> fib
+        )
-    }(_._2.cancel)
+        sp <- testGameActor.askL(TestGameActor.GetSpawnProtocol(_))
-
+        gameApp <- Task(new GameApp(logger, app, testGameActor, sp))
-  /**
+        _ <- Task {
-    * Synchronization wrapper for a mutable object
+          val fut = () => testGameActor.ask(TestGameActor.Stop).flatten
-    *
+          app.cancelToken = Some(fut)
-    * @param obj the mutable object
-    * @param lock lock for synchronization
-    */
-  class SynchedObject[A](obj: A, lock: Semaphore[Task]) {
-    def modify(f: A => Unit): Task[Unit] =
-      lock.withPermit(Task(f(obj)))
-
-    def flatModify(f: A => Task[Unit]): Task[Unit] =
-      lock.withPermit(f(obj))
-
-    def get: Task[A] = lock.withPermit(Task(obj))
         }
-
+      } yield (gameApp, fib)
-  object SynchedObject {
+    } {
-    def apply[A](obj: A) =
+      case (gameApp, fib) =>
-      Semaphore[Task](1).flatMap(lock => Task(new SynchedObject(obj, lock)))
+        fib.cancel >> UIO(JMERunner.runner = None)
     }
+}
 
+object GameApp {}
+
+import akka.actor.typed.scaladsl.Behaviors
+import akka.actor.typed.scaladsl.ActorContext
+
+object TestGameActor {
+  sealed trait Command
+  case object Ping extends Command
+  case class Stop(stopSignal: ActorRef[CancelableFuture[Unit]]) extends Command
+  case class GetSpawnProtocol(
+      replyTo: ActorRef[ActorRef[SpawnProtocol.Command]]
+  ) extends Command
+  import scala.concurrent.duration._
+  class Props() {
+    def create =
+      Behaviors.setup[Command] { ctx =>
+        ctx.spawn(
+          GenericTimerActor
+            .Props(ctx.self, Ping, 1000.millis)
+            .behavior,
+          "pingTimer"
+        ) ! GenericTimerActor.Start
+        new TestGameActor(ctx, this).receive
+      }
+  }
+}
+class TestGameActor(
+    ctx: ActorContext[TestGameActor.Command],
+    props: TestGameActor.Props
+) {
+  import TestGameActor._
+  val stopPromise = CancelablePromise[Unit]()
+  def receive =
+    Behaviors
+      .receiveMessage[Command] {
+        case Stop(replyTo) =>
+          ctx.log.infoP("stopping")
+          replyTo ! stopPromise.future
+          Behaviors.stopped
+        case Ping =>
+          ctx.log.debugP("ping")
+          Behaviors.same
+        case GetSpawnProtocol(replyTo) =>
+          val sp = ctx.spawn(SpawnProtocol(), "gameSpawnProtocol")
+          replyTo ! sp
+          Behaviors.same
+      }
+      .receiveSignal {
+        case (_, akka.actor.typed.PostStop) =>
+          stopPromise.success(())
+          Behaviors.same
+      }
 }
 
 object Ops {

src/main/scala/wow/doge/mygame/game/GameAppActor.scala

@@ -5,7 +5,7 @@ import scala.concurrent.duration._
 import akka.actor.typed.SupervisorStrategy
 import akka.actor.typed.scaladsl.Behaviors
 import wow.doge.mygame.game.TickGenerator.Send
-import wow.doge.mygame.game.entities.GenericTimerActor
+import wow.doge.mygame.utils.GenericTimerActor
 import wow.doge.mygame.implicits._
 import wow.doge.mygame.subsystems.events.EventBus
 import wow.doge.mygame.subsystems.events.EventsModule.GameEventBus
@@ -19,14 +19,7 @@ object GameAppActor {
   case object Pause extends Command
   case object Stop extends Command
 
-  case class Props(
+  case class Props(tickEventBus: GameEventBus[TickEvent]) {
-      // app: SimpleAppExt,
-      // akkaScheduler: Scheduler,
-      // schedulers: Schedulers,
-      // spawnProtocol: ActorRef[SpawnProtocol.Command],
-      // loggerL: Logger[Task]
-      tickEventBus: GameEventBus[TickEvent]
-  ) {
     def behavior =
       Behaviors.setup[Command] { ctx =>
         ctx.log.infoP("Hello from GameAppActor")

src/main/scala/wow/doge/mygame/game/SimpleAppExt.scala

@@ -1,9 +1,12 @@
 package wow.doge.mygame.game
 
 import scala.collection.immutable.Queue
+import scala.concurrent.ExecutionContext.Implicits.global
+import scala.concurrent.Future
 
 import com.jme3.app.SimpleApplication
 import com.jme3.app.state.AppState
+import com.jme3.bullet.BulletAppState
 import monix.bio.Task
 import monix.execution.CancelableFuture
 import monix.execution.CancelablePromise
@@ -11,7 +14,6 @@ import monix.execution.Scheduler
 import monix.execution.atomic.Atomic
 import wow.doge.mygame.executors.GUIExecutorService
 import wow.doge.mygame.executors.Schedulers
-import com.jme3.bullet.BulletAppState
 // import wow.doge.mygame.implicits._
 class SimpleAppExt(
     schedulers: Schedulers,
@@ -25,27 +27,30 @@ class SimpleAppExt(
     */
   private val taskQueue2 = Atomic(Queue.empty[MyTask[_]])
 
-  // lazy val bulletAppState: BulletAppState = new BulletAppState
-
-  // def bulletAppState = synchronized(_bulletAppState)
-
-  // def tickObservable: Observable[Float] = tickSubject
-  // lazy val bulletAppState = stateManager.state[BulletAppState]()
-
   private val startSignal: CancelablePromise[Unit] = CancelablePromise()
 
+  var cancelToken: Option[() => Future[Unit]] = None
+
   def started: CancelableFuture[Unit] = startSignal.future
 
   override def simpleInitApp(): Unit = {
-    // _bulletAppState = new BulletAppState
     stateManager.attach(bulletAppState)
     startSignal.success(())
   }
 
   override def simpleUpdate(tpf: Float): Unit = {}
 
-  override def stop(): Unit = {
+  override def stop(waitFor: Boolean): Unit = {
-    super.stop()
+    cancelToken match {
+      case Some(value) =>
+        value().foreach { _ =>
+          pprint.log("Called cancel in simpleapp")
+          super.stop(true)
+        }
+      case None =>
+        pprint.log("Called cancel in simpleapp")
+        super.stop(true)
+    }
   }
 
   def enqueueFuture[T](cb: () => T): CancelableFuture[T] = {
@@ -74,7 +79,7 @@ class SimpleAppExt(
       enqueue(command)
   }
 
-  lazy val scheduler = Scheduler(JMEExecutorService)
+  val scheduler = Scheduler(JMEExecutorService)
 }
 object SimpleAppExt {
   private[game] case class MyTask[T](p: CancelablePromise[T], cb: () => T)

src/main/scala/wow/doge/mygame/game/entities/NpcActorSupervisor.scala

@@ -10,6 +10,7 @@ import akka.actor.typed.SupervisorStrategy
 import akka.actor.typed.scaladsl.ActorContext
 import akka.actor.typed.scaladsl.Behaviors
 import akka.util.Timeout
+import cats.syntax.show._
 import monix.execution.CancelableFuture
 import monix.execution.CancelablePromise
 import wow.doge.mygame.game.subsystems.movement.CanMove
@@ -26,6 +27,7 @@ import wow.doge.mygame.subsystems.events.EventsModule.GameEventBus
 import wow.doge.mygame.subsystems.events.TickEvent
 import wow.doge.mygame.subsystems.events.TickEvent.RenderTick
 import wow.doge.mygame.subsystems.movement.ImMovementActor
+import wow.doge.mygame.utils.GenericTimerActor
 
 object NpcActorSupervisor {
   sealed trait Command
@@ -35,10 +37,7 @@ object NpcActorSupervisor {
       signal: CancelableFuture[NpcMovementActor.DoneMoving.type]
   ) extends Command
   private case object DoneMoving extends Command
-  // private case class MovementResponse(response: CancelableFuture[_]) extends Command
   private case class LogError(err: Throwable) extends Command
-  private case object NoOp extends Command
-
   private case class MovementFailed(err: Throwable) extends Command
 
   final case class Props(
@@ -47,6 +46,7 @@ object NpcActorSupervisor {
       initialPos: ImVector3f
   ) {
     def behavior =
+      Behaviors.withMdc(Map("actorName" -> npcName))(
         Behaviors.setup[Command] { ctx =>
           val npcMovementActor = ctx.spawn(
             (npcMovementActorBehavior),
@@ -56,9 +56,9 @@ object NpcActorSupervisor {
           new NpcActorSupervisor(ctx, this, Children(npcMovementActor))
             .idle(State())
         }
-  }
-  final case class State(
       )
+  }
+  final case class State()
   final case class Children(
       npcMovementActor: ActorRef[NpcMovementActor.Command]
   )
@@ -79,12 +79,12 @@ class NpcActorSupervisor(
         100.millis
       )
       .behavior,
-    s"npc-John-NpcActorTimer"
+    s"npc-${props.npcName}-NpcActorTimer"
   )
 
   def idle(state: State): Behavior[NpcActorSupervisor.Command] =
     Behaviors.setup { _ =>
-      ctx.log.debugP("Inside Idle State")
+      ctx.log.debugP(s"npcActor-${props.npcName}: Entered Idle State")
       Behaviors.receiveMessage[Command] {
         case m @ Move(pos) =>
           ctx.ask(
@@ -99,7 +99,7 @@ class NpcActorSupervisor(
           moving(state, move.pos, signal)
 
         case LogError(err) =>
-          ctx.log.warnP(err.getMessage())
+          logError(err)
           Behaviors.same
         case _ => Behaviors.unhandled
       }
@@ -111,19 +111,15 @@ class NpcActorSupervisor(
       signal: CancelableFuture[NpcMovementActor.DoneMoving.type]
   ): Behavior[NpcActorSupervisor.Command] =
     Behaviors.setup { _ =>
+      ctx.log.debugP(s"npcActor-${props.npcName}: Entered Moving State")
       movementTimer ! GenericTimerActor.Start
-
-      // ctx
-      //   .ask(state.npcMovementActor, NpcMovementActor2.MoveTo(targetPos, _))(
-      //     _.fold(LogError(_), MovementResponse(_))
-      //   )
       ctx.pipeToSelf(signal) {
         case Success(value)     => DoneMoving
         case Failure(exception) => MovementFailed(exception)
       }
       Behaviors.receiveMessagePartial[Command] {
         case LogError(err) =>
-          ctx.log.error(err.getMessage())
+          logError(err)
           Behaviors.same
         case MovementFailed(err) =>
           ctx.self ! LogError(err)
@@ -132,6 +128,7 @@ class NpcActorSupervisor(
         case m @ Move(pos) =>
           movementTimer ! GenericTimerActor.Stop
           children.npcMovementActor ! NpcMovementActor.StopMoving
+          // new movement request received, cancel previous request
           signal.cancel()
           ctx.ask(
             children.npcMovementActor,
@@ -143,15 +140,15 @@ class NpcActorSupervisor(
           Behaviors.same
         case InternalMove(move, signal) =>
           moving(state, targetPos, signal)
-        case NoOp => Behaviors.same
-        // case MovementResponse(x: CancelableFuture[_]) =>
-        // // ctx.pipeToSelf(x)(_.)
         case DoneMoving =>
           movementTimer ! GenericTimerActor.Stop
           idle(state)
 
       }
     }
+
+  def logError(err: Throwable) =
+    ctx.log.errorP(s"npcActor-${props.npcName}: " + err.getMessage)
 }
 
 object NpcMovementActor {
@@ -171,6 +168,7 @@ object NpcMovementActor {
       val enqueueR: Function1[() => Unit, Unit],
       val initialPos: ImVector3f,
       // val tickEventBus: GameEventBus[TickEvent],
+      val npcName: String,
       val movable: T
   ) {
     def behavior =
@@ -189,9 +187,7 @@ class NpcMovementActor[T](
 
   def location = cm.location(props.movable)
 
-  def receive(
+  def receive(state: State): Behavior[NpcMovementActor.Command] =
-      state: State
-  ): Behavior[NpcMovementActor.Command] =
     Behaviors.receiveMessagePartial {
       case AskPosition(replyTo) =>
         replyTo ! location
@@ -214,19 +210,25 @@ class NpcMovementActor[T](
     Behaviors.receiveMessagePartial {
       case StopMoving =>
         ctx.log.debugP(
-          "Position at Stop = " + location.toString
+          show"npcActor-${props.npcName}: Position at Stop = " + location
         )
         props.enqueueR(() => cm.stop(props.movable))
         receive(state)
 
       case MovementTick =>
-        val dst = ImVector3f.dst(targetPos, location)
+        val dst = ImVector3f.manhattanDst(targetPos, location)
         if (dst <= 10f) {
           ctx.self ! StopMoving
           reachDestination.success(DoneMoving)
         } else {
-          ctx.log.traceP("Difference = " + dst.toString())
+          ctx.log.traceP(
-          ctx.log.traceP("Current pos = " + location.toString())
+            show"npcActor-${props.npcName}: Difference = " + dst.formatted(
+              "%.2f"
+            )
+          )
+          ctx.log.traceP(
+            show"npcActor-${props.npcName}: Current pos = " + location
+          )
         }
         Behaviors.same
     }
@@ -295,7 +297,7 @@ object NpcMovementActorNotUsed {
 
         mainEventBus ! EventBus.Subscribe(npcMovementEl)
         tickEventBus ! EventBus.Subscribe(renderTickEl)
-        Behaviors.receiveMessage { msg => Behaviors.same }
+        Behaviors.receiveMessage(msg => Behaviors.same)
       }
 
   }

src/main/scala/wow/doge/mygame/game/entities/player/PlayerActorSupervisor.scala

@@ -1,15 +1,11 @@
 package wow.doge.mygame.game.entities
 
-import scala.concurrent.duration._
-import scala.util.Random
-
 import akka.actor.typed.ActorRef
 import akka.actor.typed.Behavior
 import akka.actor.typed.LogOptions
 import akka.actor.typed.SupervisorStrategy
 import akka.actor.typed.scaladsl.ActorContext
 import akka.actor.typed.scaladsl.Behaviors
-import akka.actor.typed.scaladsl.TimerScheduler
 import com.typesafe.scalalogging.Logger
 import org.slf4j.event.Level
 import wow.doge.mygame.game.subsystems.movement.CanMove
@@ -19,7 +15,7 @@ import wow.doge.mygame.subsystems.events.PlayerEvent
 import wow.doge.mygame.subsystems.events.TickEvent
 import wow.doge.mygame.subsystems.events.TickEvent.RenderTick
 import wow.doge.mygame.subsystems.movement.ImMovementActor
-
+import wow.doge.mygame.implicits._
 object PlayerActorSupervisor {
   sealed trait Command
   final case class Props(
@@ -28,15 +24,15 @@ object PlayerActorSupervisor {
       imMovementActorBehavior: Behavior[ImMovementActor.Command],
       playerCameraActorBehavior: Behavior[PlayerCameraActor.Command]
   ) {
-    def behavior[T: CanMove](movable: T) =
+    def behavior =
       Behaviors.logMessages(
         LogOptions()
           .withLevel(Level.TRACE)
           .withLogger(
-            Logger[PlayerActorSupervisor[T]].underlying
+            Logger[PlayerActorSupervisor].underlying
           ),
         Behaviors.setup[Command] { ctx =>
-          ctx.log.info("Hello from PlayerActor")
+          ctx.log.infoP("Starting PlayerActor")
 
           // spawn children actors
           val movementActor =
@@ -44,7 +40,7 @@ object PlayerActorSupervisor {
               Behaviors
                 .supervise(imMovementActorBehavior)
                 .onFailure[Exception](SupervisorStrategy.restart),
-              "playerMovementActorChild"
+              "playerMovementActor"
             )
 
           val playerCameraActor =
@@ -55,19 +51,27 @@ object PlayerActorSupervisor {
             "playerCameraActorEl"
           )
 
-          ctx.spawn(
+          val playerMovementEl = ctx.spawn(
-            PlayerMovementActor
+            Behaviors
-              .Props(
+              .supervise(PlayerMovementEventListener(movementActor))
-                movementActor,
+              .onFailure[Exception](SupervisorStrategy.restart),
-                playerCameraActor,
+            "playerMovementEventHandler"
-                playerEventBus,
-                tickEventBus
-              )
-              .behavior,
-            "playerMovementAcor"
           )
 
-          //init actors
+          val renderTickEl = {
+            val behavior =
+              Behaviors.receiveMessage[RenderTick.type] {
+                case RenderTick =>
+                  movementActor ! ImMovementActor.Tick
+                  // playerCameraActor ! PlayerCameraActor.Tick
+                  Behaviors.same
+              }
+            ctx.spawn(behavior, "playerMovementTickListener")
+          }
+
+          //init listeners
+          playerEventBus ! EventBus.Subscribe(playerMovementEl)
+          tickEventBus ! EventBus.Subscribe(renderTickEl)
           playerEventBus ! EventBus.Subscribe(playerCameraEl)
 
           new PlayerActorSupervisor(
@@ -84,14 +88,15 @@ object PlayerActorSupervisor {
       movementActor: ActorRef[ImMovementActor.Command]
   )
 }
-class PlayerActorSupervisor[T: CanMove](
+class PlayerActorSupervisor(
     ctx: ActorContext[PlayerActorSupervisor.Command],
     props: PlayerActorSupervisor.Props,
     children: PlayerActorSupervisor.Children
 ) {
   import PlayerActorSupervisor._
   def receive =
-    Behaviors.receiveMessage[Command] {
+    Behaviors
+      .receiveMessage[Command] {
         case _ =>
           // children.movementActor ! ImMovementActor.MovedDown(true)
           Behaviors.same
@@ -115,15 +120,17 @@ object PlayerMovementActor {
             .onFailure[Exception](SupervisorStrategy.restart),
           "playerMovementEventHandler"
         )
-        val renderTickElBehavior =
+
+        val renderTickEl = {
+          val behavior =
             Behaviors.receiveMessage[RenderTick.type] {
               case RenderTick =>
                 movementActor ! ImMovementActor.Tick
                 // playerCameraActor ! PlayerCameraActor.Tick
                 Behaviors.same
             }
-        val renderTickEl =
+          ctx.spawn(behavior, "playerMovementTickListener")
-          ctx.spawn(renderTickElBehavior, "playerMovementTickListener")
+        }
 
         playerEventBus ! EventBus.Subscribe(playerMovementEl)
         tickEventBus ! EventBus.Subscribe(renderTickEl)
@@ -131,47 +138,3 @@ object PlayerMovementActor {
       }
   }
 }
-
-object GenericTimerActor {
-  sealed trait Command
-  final case object Start extends Command
-  final case object Stop extends Command
-  private case object Send extends Command
-  case class TimerKey(seed: Long)
-
-  case class Props[T](
-      target: ActorRef[T],
-      messageToSend: T,
-      timeInterval: FiniteDuration
-  ) {
-    val behavior = Behaviors.withTimers[Command] { timers =>
-      new GenericTimerActor(timers, TimerKey(Random.nextLong()), this).idle
-    }
-  }
-}
-class GenericTimerActor[T](
-    timers: TimerScheduler[GenericTimerActor.Command],
-    timerKey: GenericTimerActor.TimerKey,
-    props: GenericTimerActor.Props[T]
-) {
-  import GenericTimerActor._
-
-  val idle: Behavior[Command] =
-    Behaviors.receiveMessage {
-      case Start =>
-        timers.startTimerWithFixedDelay(timerKey, Send, props.timeInterval)
-        active
-      case _ => Behaviors.unhandled
-
-    }
-
-  val active: Behavior[Command] =
-    Behaviors.receiveMessagePartial {
-      case Send =>
-        props.target ! props.messageToSend
-        Behaviors.same
-      case Stop =>
-        timers.cancel(timerKey)
-        idle
-    }
-}

src/main/scala/wow/doge/mygame/game/entities/player/PlayerController.scala

@@ -4,7 +4,6 @@ import akka.actor.typed.ActorRef
 import akka.actor.typed.Scheduler
 import akka.actor.typed.SpawnProtocol
 import akka.util.Timeout
-import cats.implicits._
 import com.jme3.asset.AssetManager
 import com.jme3.bullet.BulletAppState
 import com.jme3.bullet.control.BetterCharacterControl
@@ -13,24 +12,22 @@ import com.jme3.renderer.Camera
 import com.jme3.scene.CameraNode
 import com.jme3.scene.Geometry
 import com.jme3.scene.Node
+import com.jme3.scene.Spatial
 import com.jme3.scene.shape.Box
 import com.softwaremill.tagging._
 import io.odin.Logger
-import monix.bio.IO
 import monix.bio.Task
+import monix.bio.UIO
 import wow.doge.mygame.game.GameAppTags
 import wow.doge.mygame.game.SimpleAppExt
 import wow.doge.mygame.implicits._
 import wow.doge.mygame.math.ImVector3f
-import wow.doge.mygame.state.MyMaterial
 import wow.doge.mygame.subsystems.events.EventsModule.GameEventBus
 import wow.doge.mygame.subsystems.events.PlayerEvent
 import wow.doge.mygame.subsystems.events.TickEvent
 import wow.doge.mygame.subsystems.movement.ImMovementActor
 import wow.doge.mygame.utils.AkkaUtils
 import wow.doge.mygame.utils.wrappers.jme._
-import monix.bio.UIO
-
 object PlayerControllerTags {
   sealed trait PlayerTag
   sealed trait PlayerCameraNode
@@ -40,7 +37,9 @@ object PlayerControllerTags {
 object PlayerController {
   sealed trait Error
   case class CouldNotCreatePlayerNode(reason: String) extends Error
-  case class GenericError(reason: String) extends Error
+  case class CouldNotCreatePlayerModel(
+      reason: wow.doge.mygame.utils.wrappers.jme.AssetManager.Error
+  ) extends Error
 
   class Props(
       enqueueR: Function1[() => Unit, Unit],
@@ -65,9 +64,8 @@ object PlayerController {
     val playerActorBehavior = {
       val movementActorBeh = new ImMovementActor.Props(
         enqueueR,
-        playerPhysicsControl,
         camera
-      ).behavior
+      ).behavior(playerPhysicsControl)
       val cameraActorBeh = new PlayerCameraActor.Props(
         cameraPivotNode,
         enqueueR,
@@ -78,36 +76,19 @@ object PlayerController {
         tickEventBus,
         movementActorBeh,
         cameraActorBeh
-      ).behavior(playerPhysicsControl)
+      ).behavior
     }
-    val create: IO[Error, Unit] =
+    val create: UIO[ActorRef[PlayerActorSupervisor.Command]] =
       (for {
-        playerActor <- AkkaUtils.spawnActorL(
+        playerActor <-
-          playerActorBehavior,
+          AkkaUtils.spawnActorL(playerActorBehavior, "playerActorSupervisor")
-          "playerActorSupervisor"
-        )
-        // _ <- Task(rootNode += playerNode)
-        // _ <- Task(pprint.log("Physicsspace = " + physicsSpace.toString()))
-        // _ <- Task(pprint.log("playerNode = " + playerNode.toString()))
         _ <- rootNode += playerNode
         _ <- physicsSpace += playerNode
         _ <- physicsSpace += playerPhysicsControl
-        _ <- IO {
+        _ = cameraPivotNode += cameraNode
-          // physicsSpace += playerNode
-          // physicsSpace += playerPhysicsControl
-          // rootNode += cameraNode
-          cameraPivotNode += cameraNode
-          // playerNode += cameraPivotNode
-          // rootNode += cameraPivotNode
-        }
         _ <- rootNode += cameraPivotNode
-      } yield ())
+      } yield playerActor).hideErrors
-        .onErrorHandleWith(e =>
+
-          UIO(e.printStackTrace()) >> IO.raiseError(
-            GenericError(e.getMessage())
-          )
-        )
-    // .executeOn(appScheduler)
   }
 
   def apply(
@@ -146,11 +127,11 @@ object PlayerController {
       val geom = Geometry("playerGeom", b)
       geom
     }
-    def defaultTexture(assetManager: AssetManager) =
+    // def defaultTexture(assetManager: AssetManager) =
-      MyMaterial(
+    //   MyMaterial(
-        assetManager = assetManager,
+    //     assetManager = assetManager,
-        path = os.rel / "Common" / "MatDefs" / "Misc" / "Unshaded.j3md"
+    //     path = os.rel / "Common" / "MatDefs" / "Misc" / "Unshaded.j3md"
-      )
+    //   )
 
     //  new CameraControl(cam) {
     //     override def controlUpdate(tpf: Float) = {
@@ -164,14 +145,11 @@ object PlayerController {
 
     def defaultCamerNode(
         cam: Camera,
-        playerNode: Node,
+        // playerNode: Node,
-        cameraPivotNode: Node,
+        // cameraPivotNode: Node,
         playerPos: ImVector3f
     ) =
-      new CameraNode(
+      new CameraNode("CameraNode", cam)
-        "CameraNode",
-        cam
-      )
         // .withControlDir(ControlDirection.SpatialToCamera)
         .withLocalTranslation(ImVector3f(0, 1.5f, 10))
         .withLookAt(playerPos, ImVector3f.UNIT_Y)
@@ -182,66 +160,32 @@ object PlayerController {
         // camNode: CameraNode,
         playerPhysicsControl: BetterCharacterControl
     ) =
-      Either
-        .catchNonFatal(
       Node("PlayerNode")
-            .withChildren(
+        .withChildren(playerModel)
-              // camNode,
-              playerModel
-            )
         .withLocalTranslation(playerPos)
         .withControl(playerPhysicsControl)
-        )
+        .taggedWith[PlayerControllerTags.PlayerTag]
-        .map(_.taggedWith[PlayerControllerTags.PlayerTag])
-        .leftMap(e => PlayerController.CouldNotCreatePlayerNode(e.getMessage()))
 
     def defaultNpcNode(
-        assetManager: AssetManager,
+        // assetManager: AssetManager,
-        // modelPath: os.RelPath,
+        npcModel: Spatial,
         initialPos: ImVector3f,
         npcPhysicsControl: BetterCharacterControl,
         npcName: String
     ) =
-      Either
+      // Either
-        .catchNonFatal(
+      //   .catchNonFatal(
       Node(npcName)
         .withChildren(
-              // assetManager
+          // defaultMesh.withMaterial(defaultTexture(assetManager))
-              //   .loadModel(modelPath)
+          npcModel
-              //   .asInstanceOf[Node]
-              //   .withRotate(0, FastMath.PI, 0)
-              defaultMesh.withMaterial(defaultTexture(assetManager))
         )
         .withLocalTranslation(initialPos)
         .withControl(npcPhysicsControl)
-        )
+    // )
-    // .map(_.taggedWith[PlayerControllerTags.PlayerTag])
-    // .leftMap(e => PlayerController.CouldNotCreatePlayerNode(e.getMessage()))
 
     def defaultPlayerPhysicsControl =
       new BetterCharacterControl(1.5f, 6f, 1f)
         .withJumpForce(ImVector3f(0, 5f, 0))
   }
 }
-
-object Methods {}
-
-// camNode <- IO(
-//         _cameraNode.getOrElse(defaultCamerNode(camera, initialPlayerPos))
-//       )
-//       playerPhysicsControl <- IO(
-//         _playerPhysicsControl
-//           .getOrElse(defaultPlayerPhysicsControl)
-//           .taggedWith[PlayerTag]
-//       )
-//       playerNode <- IO.fromEither(
-//         _playerNode.fold(
-//           defaultPlayerNode(
-//             assetManager,
-//             modelPath,
-//             initialPlayerPos,
-//             camNode,
-//             playerPhysicsControl
-//           )
-//         )(_.asRight)
-//       )

src/main/scala/wow/doge/mygame/game/entities/player/PlayerEventListeners.scala

@@ -11,9 +11,7 @@ import wow.doge.mygame.subsystems.movement.ImMovementActor
 
 object PlayerMovementEventListener {
   import PlayerMovementEvent._
-  def apply(
+  def apply(movementActor: ActorRef[ImMovementActor.Command]) =
-      movementActor: ActorRef[ImMovementActor.Command]
-  ) =
     Behaviors.logMessages(
       LogOptions()
         .withLevel(Level.TRACE)
@@ -50,9 +48,7 @@ object PlayerMovementEventListener {
 
 object PlayerCameraEventListener {
   import PlayerCameraEvent._
-  def apply(
+  def apply(playerCameraActor: ActorRef[PlayerCameraActor.Command]) =
-      playerCameraActor: ActorRef[PlayerCameraActor.Command]
-  ) =
     Behaviors.logMessages(
       LogOptions()
         .withLevel(Level.TRACE)
@@ -63,7 +59,6 @@ object PlayerCameraEventListener {
         Behaviors.receiveMessagePartial {
           case CameraMovedUp =>
             playerCameraActor ! PlayerCameraActor.RotateUp
-
             Behaviors.same
           case CameraMovedDown =>
             playerCameraActor ! PlayerCameraActor.RotateDown

src/main/scala/wow/doge/mygame/game/subsystems/input/GameInputHandler.scala

@@ -18,6 +18,7 @@ import wow.doge.mygame.subsystems.events.PlayerCameraEvent
 import wow.doge.mygame.subsystems.events.PlayerEvent
 import wow.doge.mygame.subsystems.events.PlayerMovementEvent
 import wow.doge.mygame.utils.IOUtils._
+import monix.bio.UIO
 
 object GameInputHandler {
 
@@ -29,13 +30,13 @@ object GameInputHandler {
   ) {
     def begin =
       for {
-        _ <- Task(setupMovementKeys(inputManager))
+        _ <- UIO(setupMovementKeys(inputManager))
         // _ <- UIO(setupAnalogMovementKeys)
-        _ <- Task(setupCameraKeys())
+        _ <- UIO(setupCameraKeys())
         _ <- toIO(
           me.Task.parSequence(
             Seq(
-              generateMovementInputEvents(
+              playerMovementInputEventsGenerator(
                 inputManager,
                 playerEventBus
               ).completedL,
@@ -128,11 +129,14 @@ object GameInputHandler {
 
   }
 
-  def generateMovementInputEvents(
+  def methodName(implicit enclosing: sourcecode.Enclosing) =
+    enclosing.value.split(" ")(0).split("""\.""").last
+
+  def playerMovementInputEventsGenerator(
       inputManager: InputManager,
       playerEventBus: GameEventBus[PlayerEvent]
   ) = {
-    val name = "playerMovementInputEventsGenerator"
+    val name = methodName
     inputManager
       .enumObservableAction(PlayerMovementInput)
       // .dump("O")

src/main/scala/wow/doge/mygame/game/subsystems/input/InputEnums.scala

@@ -3,33 +3,33 @@ import enumeratum.EnumEntry._
 import enumeratum._
 
 sealed trait PlayerMovementInput extends EnumEntry with UpperSnakecase
-final object PlayerMovementInput extends Enum[PlayerMovementInput] {
+object PlayerMovementInput extends Enum[PlayerMovementInput] {
   val values = findValues
-  final case object WalkForward extends PlayerMovementInput
+  case object WalkForward extends PlayerMovementInput
-  final case object WalkRight extends PlayerMovementInput
+  case object WalkRight extends PlayerMovementInput
-  final case object WalkLeft extends PlayerMovementInput
+  case object WalkLeft extends PlayerMovementInput
-  final case object WalkBackward extends PlayerMovementInput
+  case object WalkBackward extends PlayerMovementInput
-  final case object Jump extends PlayerMovementInput
+  case object Jump extends PlayerMovementInput
 }
 
 sealed trait PlayerAnalogMovementInput extends EnumEntry with UpperSnakecase
-final object PlayerAnalogMovementInput extends Enum[PlayerAnalogMovementInput] {
+object PlayerAnalogMovementInput extends Enum[PlayerAnalogMovementInput] {
   val values = findValues
-  final case object TurnRight extends PlayerAnalogMovementInput
+  case object TurnRight extends PlayerAnalogMovementInput
-  final case object TurnLeft extends PlayerAnalogMovementInput
+  case object TurnLeft extends PlayerAnalogMovementInput
 }
 
 sealed trait PlayerCameraInput extends EnumEntry with UpperSnakecase
-final object PlayerCameraInput extends Enum[PlayerCameraInput] {
+object PlayerCameraInput extends Enum[PlayerCameraInput] {
   val values = findValues
-  final case object CameraRotateLeft extends PlayerCameraInput
+  case object CameraRotateLeft extends PlayerCameraInput
-  final case object CameraRotateRight extends PlayerCameraInput
+  case object CameraRotateRight extends PlayerCameraInput
-  final case object CameraRotateUp extends PlayerCameraInput
+  case object CameraRotateUp extends PlayerCameraInput
-  final case object CameraRotateDown extends PlayerCameraInput
+  case object CameraRotateDown extends PlayerCameraInput
 }
 
 sealed trait MiscInput extends EnumEntry with UpperSnakecase
-final object MiscInput extends Enum[MiscInput] {
+object MiscInput extends Enum[MiscInput] {
   val values = findValues
-  final case object ToggleCursor extends MiscInput
+  case object ToggleCursor extends MiscInput
 }

src/main/scala/wow/doge/mygame/game/subsystems/level/DefaultGameLevel.scala

@@ -8,6 +8,7 @@ import com.jme3.math.ColorRGBA
 import com.jme3.math.Vector3f
 import com.jme3.renderer.ViewPort
 import com.jme3.scene.Spatial
+import monix.bio.UIO
 object DefaultGameLevel {
 
   def apply(
@@ -22,8 +23,7 @@ object DefaultGameLevel {
           throw new NotImplementedError("No fallback sceneshape")
       }
     )
-    val landscape: RigidBodyControl =
+    val landscape: RigidBodyControl = new RigidBodyControl(sceneShape, 0)
-      new RigidBodyControl(sceneShape, 0)
 
     viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f))
     sceneModel.setLocalScale(2f)
@@ -47,4 +47,58 @@ object DefaultGameLevel {
       directionalLight = dl
     )
   }
+
+  def apply(
+      assetManager: wow.doge.mygame.utils.wrappers.jme.AssetManager,
+      viewPort: ViewPort
+  ) =
+    // for {
+    //   sceneModel <- assetManager.loadModelAs[Node](os.rel / "main.scene")
+    //   sceneShape <- UIO(CollisionShapeFactory.createMeshShape(sceneModel))
+    //   landscape <- UIO(new RigidBodyControl(sceneShape, 0))
+
+    //   _ <- UIO {
+    //     viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f))
+    //     sceneModel.setLocalScale(2f)
+    //     sceneModel.addControl(landscape)
+    //   }
+
+    //   al = {
+    //     val al = new AmbientLight()
+    //     al.setColor(ColorRGBA.White.mult(1.3f))
+    //     al
+    //   }
+
+    //   dl = {
+    //     val dl = new DirectionalLight()
+    //     dl.setColor(ColorRGBA.White)
+    //     dl.setDirection(new Vector3f(2.8f, -2.8f, -2.8f).normalizeLocal())
+    //     dl
+    //   }
+
+    // } yield new GameLevel(
+    //   model = sceneModel,
+    //   physicsControl = landscape,
+    //   ambientLight = al,
+    //   directionalLight = dl
+    // )
+    GameLevel(
+      os.rel / "main.scene", {
+        val al = new AmbientLight()
+        al.setColor(ColorRGBA.White.mult(1.3f))
+        al
+      }, {
+        val dl = new DirectionalLight()
+        dl.setColor(ColorRGBA.White)
+        dl.setDirection(new Vector3f(2.8f, -2.8f, -2.8f).normalizeLocal())
+        dl
+      }
+    )(assetManager).flatMap(gameLevel =>
+      UIO {
+        viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f))
+        gameLevel.model.setLocalScale(2f)
+        gameLevel.model.addControl(gameLevel.physicsControl)
+        gameLevel
+      }
+    )
 }

src/main/scala/wow/doge/mygame/game/subsystems/level/GameLevel.scala

@@ -1,21 +1,26 @@
 package wow.doge.mygame.game.subsystems.level
 
+import cats.effect.Resource
 import com.jme3.bullet.control.RigidBodyControl
 import com.jme3.light.AmbientLight
 import com.jme3.light.DirectionalLight
+import com.jme3.scene.Node
 import com.jme3.scene.Spatial
 import com.softwaremill.tagging._
+import monix.bio.IO
 import monix.bio.Task
+import monix.bio.UIO
 import wow.doge.mygame.game.GameAppTags
-// import wow.doge.mygame.implicits._
 import wow.doge.mygame.utils.wrappers.jme.AppNode
+import wow.doge.mygame.utils.wrappers.jme.AssetManager
+import wow.doge.mygame.utils.wrappers.jme.CollisionShapeFactory
 import wow.doge.mygame.utils.wrappers.jme.PhysicsSpace
 
 class GameLevel(
-    model: Spatial,
+    val model: Spatial,
-    physicsControl: RigidBodyControl,
+    val physicsControl: RigidBodyControl,
-    ambientLight: AmbientLight,
+    val ambientLight: AmbientLight,
-    directionalLight: DirectionalLight
+    val directionalLight: DirectionalLight
 ) {
   def addToGame(
       rootNode: AppNode[Task] @@ GameAppTags.RootNode,
@@ -29,4 +34,56 @@ class GameLevel(
       _ <- physicsSpace += physicsControl
     } yield ()
   }
+  def removeFromGame(
+      rootNode: AppNode[Task] @@ GameAppTags.RootNode,
+      physicsSpace: PhysicsSpace[Task]
+  ) = {
+    for {
+      _ <- rootNode -= model
+      _ <- rootNode -= ambientLight
+      _ <- rootNode -= directionalLight
+      _ <- physicsSpace -= model
+      _ <- physicsSpace -= physicsControl
+    } yield ()
+  }
+
+  def resource(
+      rootNode: AppNode[Task] @@ GameAppTags.RootNode,
+      physicsSpace: PhysicsSpace[Task]
+  ) =
+    Resource.make(this.addToGame(rootNode, physicsSpace))(_ =>
+      this.removeFromGame(rootNode, physicsSpace)
+    )
+}
+
+object GameLevel {
+  sealed trait Error
+  case class AssetLoadError(err: AssetManager.Error) extends Error
+  case class CollisionShapeCreationFailed(err: CollisionShapeFactory.Error)
+      extends Error
+
+  def apply(
+      modelPath: os.RelPath,
+      al: AmbientLight,
+      dl: DirectionalLight
+  )(implicit
+      assetManager: wow.doge.mygame.utils.wrappers.jme.AssetManager
+  ): IO[Error, GameLevel] =
+    for {
+      sceneModel <-
+        assetManager
+          .loadModelAs[Node](modelPath)
+          .mapError(AssetLoadError)
+      sceneShape <-
+        CollisionShapeFactory
+          .createMeshShape(sceneModel)
+          .mapError(CollisionShapeCreationFailed)
+      landscape <- UIO(new RigidBodyControl(sceneShape, 0))
+
+    } yield new GameLevel(
+      model = sceneModel,
+      physicsControl = landscape,
+      ambientLight = al,
+      directionalLight = dl
+    )
 }

src/main/scala/wow/doge/mygame/game/subsystems/movement/MovementActor.scala

@@ -31,16 +31,17 @@ object ImMovementActor {
   // final case object RotateRight extends Movement
   // final case object RotateLeft extends Movement
 
-  final class Props[T: CanMove](
+  final class Props(
       val enqueueR: Function1[() => Unit, Unit],
-      val movable: T,
       // playerMovementEventBus: ActorRef[
       //   EventBus.Command[PlayerMovementEvent]
       // ]
       val camera: Camera
   ) {
-    def behavior: Behavior[Command] =
+    def behavior[T: CanMove](movable: T): Behavior[Command] =
-      Behaviors.setup(ctx => new ImMovementActor(ctx, this).receive(State()))
+      Behaviors.setup(ctx =>
+        new ImMovementActor(ctx, this, movable).receive(State())
+      )
   }
 
   /**
@@ -54,7 +55,8 @@ object ImMovementActor {
 
 class ImMovementActor[T](
     ctx: ActorContext[ImMovementActor.Command],
-    props: ImMovementActor.Props[T]
+    props: ImMovementActor.Props,
+    val movable: T
 ) {
   import ImMovementActor._
   import Methods._
@@ -66,19 +68,19 @@ class ImMovementActor[T](
       case m: Movement =>
         m match {
           case MovedLeft(pressed) =>
-            props.enqueueR(() => stopIfNotPressed(pressed, props.movable))
+            props.enqueueR(() => stopIfNotPressed(pressed, movable))
             receive(state = state.modify(_.cardinalDir.left).setTo(pressed))
           case MovedUp(pressed) =>
-            props.enqueueR(() => stopIfNotPressed(pressed, props.movable))
+            props.enqueueR(() => stopIfNotPressed(pressed, movable))
             receive(state = state.modify(_.cardinalDir.up).setTo(pressed))
           case MovedRight(pressed) =>
-            props.enqueueR(() => stopIfNotPressed(pressed, props.movable))
+            props.enqueueR(() => stopIfNotPressed(pressed, movable))
             receive(state = state.modify(_.cardinalDir.right).setTo(pressed))
           case MovedDown(pressed) =>
-            props.enqueueR(() => stopIfNotPressed(pressed, props.movable))
+            props.enqueueR(() => stopIfNotPressed(pressed, movable))
             receive(state = state.modify(_.cardinalDir.down).setTo(pressed))
           case Jump =>
-            props.enqueueR(() => cm.jump(props.movable))
+            props.enqueueR(() => cm.jump(movable))
             Behaviors.same
         }
 
@@ -88,7 +90,7 @@ class ImMovementActor[T](
         // if (walkDir != ImVector3f.ZERO) {
         val tmp = walkDir * 25f * (1f / 144)
         props.enqueueR { () =>
-          cm.move(props.movable, tmp)
+          cm.move(movable, tmp)
         }
         // }
         Behaviors.same

src/main/scala/wow/doge/mygame/implicits/CatsImplicits.scala

@@ -0,0 +1,62 @@
+package wow.doge.mygame.implicits
+
+import cats.data.Kleisli
+import monix.bio.IO
+import monix.bio.UIO
+import cats.effect.Resource
+import cats.Functor
+import cats.effect.Bracket
+import monix.bio.Task
+import cats.Show
+import cats.syntax.show._
+
+trait CatsExtensions {
+  implicit class KleisliCompanionExt(k: Kleisli.type) {
+    def io[S, E, A](f: S => IO[E, A]): Kleisli[UIO, S, Either[E, A]] =
+      k.apply(s => f(s).attempt)
+  }
+  implicit class KleisliExt[S, E, A](k: Kleisli[UIO, S, Either[E, A]]) {
+    def runIO(s: S) = k.run(s).rethrow
+  }
+  implicit class ResourceCompanionExt(r: Resource.type) {
+    //   def ioMake[UIO, R](acquire: )(release: ) = r.make()()
+    def ioMake[E: Show, A](
+        acquire: IO[E, A]
+    )(
+        release: A => UIO[Unit]
+    )(implicit F: Functor[UIO]): Resource[UIO, Either[E, A]] =
+      r.make(acquire.attempt)(a =>
+        IO.fromEither(a)
+          .onErrorHandleWith(err => IO.terminate(new Exception(err.show)))
+          .flatMap(release)
+      )
+
+    val acq = IO(1).onErrorHandleWith(_ => IO.raiseError(""))
+
+    val res =
+      ioMake(acq)(_ => IO.unit)
+    val result = res
+      .use {
+        case Left(value)  => Task(Left(value))
+        case Right(value) => Task(Right(value))
+      }
+      .hideErrors
+      .rethrow
+
+    // IO.unit.bracket()
+  }
+  implicit class ResourceExt[E, A](k: Resource[UIO, Either[E, A]]) {
+    // def runIO(s: S) = k.run(s).rethrow
+    // k.use
+    // : IO[E, B]
+    // def useIO[B](f: Either[E, A] => IO[E, B]) =
+    //   k.use(f).rethrow
+    // type test[A] = Tuple2[*, Double]
+    type IoResource[X, D] = Resource[IO[X, *], D]
+    val x: Resource[IO[String, *], String] =
+      Resource.make(IO.raiseError(""))(_ => IO.unit)
+    // x.use(s => Task.unit)
+    val x2: IoResource[String, String] =
+      Resource.make(UIO(""))(_ => IO.unit)
+  }
+}

src/main/scala/wow/doge/mygame/implicits/package.scala

@@ -39,6 +39,8 @@ import com.simsilica.es.EntityComponent
 import com.simsilica.es.EntityData
 import com.simsilica.es.EntityId
 import enumeratum._
+import io.odin.meta.Position
+import io.odin.meta.Render
 import monix.bio.Task
 import monix.bio.UIO
 import monix.execution.Ack
@@ -797,7 +799,7 @@ package object implicits {
   }
 
   implicit class AkkaLoggerExt(private val logger: Logger) extends AnyVal {
-    def logP[T](
+    private def logP[T](
         x: sourcecode.Text[T],
         tag: String = "",
         width: Int = 100,
@@ -806,12 +808,10 @@ package object implicits {
         initialOffset: Int = 0
     )(implicit line: sourcecode.Line, fileName: sourcecode.FileName) = {
 
-      // def joinSeq[T](seq: Seq[T], sep: T): Seq[T] = {
-      //   seq.flatMap(x => Seq(x, sep)).dropRight(1)
-      // }
       val tagStrs =
         if (tag.isEmpty) Seq.empty
         else Seq(fansi.Color.Cyan(tag), fansi.Str(" "))
+      // "".slice(1, -1)
       val prefix = Seq(
         fansi.Color.Magenta(fileName.value),
         fansi.Str(":"),
@@ -823,7 +823,6 @@ package object implicits {
       fansi.Str.join(
         prefix ++ pprint.tokenize(x.value, width, height, indent).toSeq: _*
       )
-      // x.value
     }
 
     def warnP[T](
@@ -858,4 +857,18 @@ package object implicits {
     }
 
   }
+
+  implicit class odinLoggerExt(private val logger: io.odin.Logger[Task])
+      extends AnyVal {
+    def debugU[M](msg: => M)(implicit render: Render[M], position: Position) =
+      logger.debug(msg).hideErrors
+    def infoU[M](msg: => M)(implicit render: Render[M], position: Position) =
+      logger.info(msg).hideErrors
+    def traceU[M](msg: => M)(implicit render: Render[M], position: Position) =
+      logger.trace(msg).hideErrors
+    def warnU[M](msg: => M)(implicit render: Render[M], position: Position) =
+      logger.warn(msg).hideErrors
+    def errorU[M](msg: => M)(implicit render: Render[M], position: Position) =
+      logger.error(msg).hideErrors
+  }
 }

src/main/scala/wow/doge/mygame/launcher/Launcher.scala

@@ -4,7 +4,6 @@ import cats.effect.Resource
 import cats.effect.concurrent.Deferred
 import cats.kernel.Eq
 import javafx.application.Platform
-import javafx.beans.value.ObservableValue
 import monix.bio.Task
 import monix.catnap.CancelableF
 import monix.execution.CancelablePromise
@@ -13,7 +12,6 @@ import monix.{eval => me}
 import scalafx.Includes._
 import scalafx.application.JFXApp
 import scalafx.application.JFXApp.PrimaryStage
-import scalafx.beans.property.StringProperty
 import scalafx.scene.control.Button
 import scalafx.stage.StageStyle
 import wow.doge.mygame.executors.Schedulers
@@ -47,23 +45,10 @@ class Launcher private (props: Launcher.Props) {
       .observableAction()
       .doOnNext(_ => toTask(props.signal.complete(LauncherResult.LaunchGame)))
 
-  def testChangeObs(
-      obs: Observable[(ObservableValue[_ <: String], String, String)]
-  ) =
-    obs
-      .doOnNext {
-        case (x, y, z) => monix.eval.Task.unit
-      }
-  // .subscribe()
-
   private lazy val exitButton = new Button {
     text = "Exit"
-    // text <-- testChangeObs
   }
 
-  // exitButton.text.bind
-  StringProperty("") addListener ((_, _, _) => ())
-
   private lazy val exitAction =
     exitButton
       .observableAction()
@@ -103,27 +88,6 @@ class Launcher private (props: Launcher.Props) {
     )
   }
 
-  // import cats.syntax.all._
-
-  // def init(delay: FiniteDuration = 2000.millis) =
-  //   for {
-  //     _ <- Task(Platform.setImplicitExit(false))
-  //     x <- (Task.unit.start, Task.unit.start).parTupled
-  //     fxAppStartFib <- Task(internal.main(Array.empty)).start
-  //     _ <- Task.sleep(500.millis)
-  //     sceneDragFib <- toIO(sceneDragObservable.completedL).start
-  //     buttonActionsComposedFib <- toIO(
-  //       Observable(launchAction, exitAction).merge
-  //         .doOnNext(_ =>
-  //           me.Task(internal.stage.close()).executeOn(props.schedulers.fx)
-  //         )
-  //         .completedL
-  //     ).start
-  //     c <- CancelableF[Task](
-  //       fxAppStartFib.cancel >> buttonActionsComposedFib.cancel >> sceneDragFib.cancel
-  //     )
-  //   } yield (c)
-
   def init =
     Resource.make(for {
       _ <- Task(Platform.setImplicitExit(false))
@@ -148,13 +112,7 @@ class Launcher private (props: Launcher.Props) {
             )
           )
           .start
-      c <- CancelableF[Task](
+      c <- CancelableF[Task](combinedFib.cancel)
-        // Task(println("Cancelling")) >>
-        //   combinedFib.cancel >>
-        //   fxAppStartFib.cancel
-        // Task.unit
-        combinedFib.cancel
-      )
     } yield c)(_.cancel)
 
 }

src/main/scala/wow/doge/mygame/math/ImVector3f.scala

@@ -1,9 +1,10 @@
 package wow.doge.mygame.math;
 
-import Math.{sqrt, pow}
+import cats.Show
 
-case class ImVector3f(x: Float = 0f, y: Float = 0f, z: Float = 0f)
+import math.{abs, pow, sqrt}
 
+case class ImVector3f(x: Float, y: Float, z: Float)
 object ImVector3f {
   val ZERO = ImVector3f(0, 0, 0)
   val UNIT_X = ImVector3f(1, 0, 0)
@@ -11,5 +12,18 @@ object ImVector3f {
   val UNIT_Z = ImVector3f(0, 0, 1)
 
   def dst(v1: ImVector3f, v2: ImVector3f) =
-    sqrt(pow(v1.x - v2.x, 2) + pow(v1.y - v2.y, 2) + pow(v1.z - v2.z, 2))
+    sqrt(
+      pow((v1.x - v2.x).toDouble, 2) + pow((v1.y - v2.y).toDouble, 2) + pow(
+        (v1.z - v2.z).toDouble,
+        2
+      )
+    )
+  def manhattanDst(v1: ImVector3f, v2: ImVector3f) =
+    abs(v1.x - v2.x) + abs(v1.y - v2.y) + abs(v1.z - v2.z)
+
+  implicit val showForImVector3f = new Show[ImVector3f] {
+    def format(f: Float) = f.formatted("%.2f")
+    override def show(t: ImVector3f): String =
+      s"ImVector3f(${format(t.x)},${format(t.y)},${format(t.z)})"
+  }
 }

src/main/scala/wow/doge/mygame/subsystems/events/EventBus.scala

@@ -6,6 +6,20 @@ import akka.actor.typed.ActorRef
 import akka.actor.typed.Behavior
 import akka.actor.typed.scaladsl.Behaviors
 import akka.event.EventStream
+import monix.reactive.Observable
+import monix.reactive.OverflowStrategy
+import monix.execution.cancelables.SingleAssignCancelable
+import monix.execution.Ack
+import akka.util.Timeout
+import akka.actor.typed.Scheduler
+import akka.actor.typed.SpawnProtocol
+import scala.util.Random
+import akka.actor.typed.scaladsl.AskPattern._
+import monix.execution.Cancelable
+import wow.doge.mygame.utils.AkkaUtils
+import wow.doge.mygame.implicits._
+import monix.bio.UIO
+import wow.doge.mygame.subsystems.events.EventBus.ObservableSubscription
 
 /**
   * A (typed) event bus
@@ -21,27 +35,113 @@ object EventBus {
   final case class Subscribe[A, E <: A](subscriber: ActorRef[E])(implicit
       classTag: ClassTag[E]
   ) extends Command[A] {
-
     def topic: Class[_] = classTag.runtimeClass
   }
 
   final case class Unsubscribe[A, E <: A](subscriber: ActorRef[E])
       extends Command[A]
 
-  def apply[A](): Behavior[EventBus.Command[A]] =
+  final case class ObservableSubscription[A, E <: A](
+      replyTo: ActorRef[Observable[E]]
+  )(implicit
+      classTag: ClassTag[E]
+  ) extends Command[A] {
+    def ct = classTag
+  }
+
+  def apply[A: ClassTag]()(implicit
+      timeout: Timeout,
+      spawnProtocol: ActorRef[SpawnProtocol.Command]
+  ): Behavior[EventBus.Command[A]] =
     Behaviors.setup { ctx =>
       val eventStream = new EventStream(ctx.system.classicSystem)
+      implicit val scheduler = ctx.system.scheduler
       new EventBus().eventStreamBehavior(eventStream)
     }
 
+  def observable[E](eventBus: ActorRef[EventBus.Command[E]])(implicit
+      timeout: Timeout,
+      scheduler: Scheduler,
+      spawnProtocol: ActorRef[SpawnProtocol.Command],
+      ct: ClassTag[E]
+  ) =
+    Observable.create[E](OverflowStrategy.DropOld(50)) { sub =>
+      implicit val s = sub.scheduler
+      val c = SingleAssignCancelable()
+      val behavior = Behaviors.receive[E] { (ctx, msg) =>
+        if (sub.onNext(msg) == Ack.Stop) {
+          c.cancel()
+          Behaviors.stopped
+        } else Behaviors.same
+
+      }
+      val actor =
+        AkkaUtils
+          .spawnActorL(
+            behavior,
+            s"eventBusObservable-${ct.toString}-${Random.nextLong()}"
+          )
+          .tapError {
+            case ex => UIO(sub.onError(ex))
+          }
+
+      (for {
+        a <- actor
+        _ <- eventBus !! Subscribe(a)
+        _ <- UIO(c := Cancelable(() => eventBus ! Unsubscribe(a)))
+      } yield ()).runToFuture
+      c
+    }
+
+  def observable2[A, B <: A](eventBus: ActorRef[EventBus.Command[A]])(implicit
+      timeout: Timeout,
+      scheduler: Scheduler,
+      spawnProtocol: ActorRef[SpawnProtocol.Command],
+      ct: ClassTag[A],
+      ct2: ClassTag[B]
+  ) =
+    Observable.create[B](OverflowStrategy.DropOld(50)) { sub =>
+      implicit val s = sub.scheduler
+      val c = SingleAssignCancelable()
+      val behavior = Behaviors.receive[B] { (ctx, msg) =>
+        if (sub.onNext(msg) == Ack.Stop) {
+          c.cancel()
+          Behaviors.stopped
+        } else Behaviors.same
+
+      }
+      val actor =
+        AkkaUtils
+          .spawnActorL(
+            behavior,
+            s"eventBusObservable-${ct.toString}-${math.abs(Random.nextLong())}"
+          )
+          .tapError {
+            case ex => UIO(sub.onError(ex))
+          }
+
+      (for {
+        a <- actor
+        _ <- eventBus !! Subscribe(a)
+        _ <- UIO(c := Cancelable(() => eventBus ! Unsubscribe(a)))
+      } yield ()).runToFuture
+      c
+    }
+
 }
 
-class EventBus[B] {
+class EventBus[A] {
   import akka.actor.typed.scaladsl.adapter._
 
   private def eventStreamBehavior(
-      eventStream: akka.event.EventStream
+      eventStream: EventStream
-  ): Behavior[EventBus.Command[B]] =
+  )(implicit
+      timeout: Timeout,
+      scheduler: Scheduler,
+      spawnProtocol: ActorRef[SpawnProtocol.Command],
+      ct: ClassTag[A]
+  ): Behavior[EventBus.Command[A]] =
+    Behaviors.setup { ctx =>
       Behaviors.receiveMessage {
         case EventBus.Publish(event, name) =>
           eventStream.publish(event)
@@ -52,5 +152,12 @@ class EventBus[B] {
         case EventBus.Unsubscribe(subscriber) =>
           eventStream.unsubscribe(subscriber.toClassic)
           Behaviors.same
+        case s @ ObservableSubscription(replyTo) =>
+          val obs = EventBus.observable2(
+            ctx.self
+          )(timeout, scheduler, spawnProtocol, ct, s.ct)
+          replyTo ! obs
+          Behaviors.same
+      }
     }
 }

src/main/scala/wow/doge/mygame/subsystems/events/EventsModule.scala

@@ -3,7 +3,6 @@ package wow.doge.mygame.subsystems.events
 import scala.concurrent.duration._
 
 import akka.actor.typed.ActorRef
-import akka.actor.typed.ActorSystem
 import akka.actor.typed.LogOptions
 import akka.actor.typed.Props
 import akka.actor.typed.SpawnProtocol
@@ -16,10 +15,15 @@ import wow.doge.mygame.implicits._
 import wow.doge.mygame.subsystems.events.Event
 import wow.doge.mygame.subsystems.events.EventBus
 import wow.doge.mygame.subsystems.events.TickEvent
+import scala.reflect.ClassTag
+import akka.actor.typed.Scheduler
 
-class EventsModule(spawnProtocol: ActorSystem[SpawnProtocol.Command]) {
+class EventsModule(
-  implicit val s = spawnProtocol.scheduler
+    scheduler: Scheduler,
-
+    spawnProtocol: ActorRef[SpawnProtocol.Command]
+) {
+  implicit val s = scheduler
+  implicit val sp = spawnProtocol
   implicit val timeout = Timeout(1.second)
 
   val eventBusLogger = SLogger[EventBus[_]]
@@ -35,7 +39,10 @@ class EventsModule(spawnProtocol: ActorSystem[SpawnProtocol.Command]) {
 
   val mainEventBusTask = createEventBus[Event]("mainEventBus")
 
-  def createEventBus[T](busName: String, logLevel: Level = Level.DEBUG) =
+  def createEventBus[T: ClassTag](
+      busName: String,
+      logLevel: Level = Level.DEBUG
+  ) =
     spawnProtocol.askL(
       SpawnProtocol.Spawn[EventBus.Command[T]](
         Behaviors.logMessages(

src/main/scala/wow/doge/mygame/subsystems/moddingsystem/ModdingSystem.scala

@@ -27,7 +27,7 @@ object Plugin {
 }
 
 object ModdingSystem {
-  sealed trait Error extends Serializable with Product
+  sealed trait Error
   final case class CouldNotDecode(cause: String) extends Error
   final case class ParseFailure(cause: String) extends Error
   final case class FileNotFound(fileName: String) extends Error
@@ -53,7 +53,7 @@ object ModdingSystem {
   def findAndReadPluginFiles(
       dir: os.Path,
       plugins: ArraySeq[Plugin]
-  ) =
+  ): (View[(Plugin, Error)], View[(Plugin, String)]) =
     plugins
       .sortBy(_.priority)
       .view
@@ -79,9 +79,8 @@ object ModdingSystem {
           }
       }
 
-  def readPluginFiles(filePaths: View[os.Path]) = {
+  def readPluginFiles(filePaths: View[os.Path]) =
     filePaths.map(path => os.read(path))
-  }
 
   def parsePluginFiles(files: View[(Plugin, String)]) =
     files
@@ -99,11 +98,10 @@ object ModdingSystem {
       case (json, value)              => json.deepMerge(value)
     }
 
-  def mergePluginData(plugins: View[(Plugin, Json)]) = {
+  def mergePluginData(plugins: View[(Plugin, Json)]) =
     foldMerge(plugins.map {
       case (p, json) => json
     })
-  }
 
   def mergePluginDataConsumer =
     Consumer.foldLeft[Json, Json](Json.fromString("empty")) {
@@ -143,13 +141,13 @@ object ModdingSystem {
               .map { case (p, json) => json }
               .consumeWith(loadBalancedPluginDataMerger)
           )
-          .onErrorHandle(e => GenericError)
+          .hideErrors
       _ <- UIO {
         println(s"Read Successes = ${readSuccesses.to(Seq)}")
         println(s"Read Failures = ${readFailures.to(Seq)}")
         println(s"Parse Successes = ${parseSuccesses.to(Seq)}")
         println(s"Parse Failures = ${parseFailures.to(Seq)}")
-        println(s"Merged = $res")
+        println(show"Merged = $res")
       }
     } yield ()
 

src/main/scala/wow/doge/mygame/subsystems/scriptsystem/ScriptActor.scala

@@ -181,12 +181,11 @@ class ScriptActor(
           os.Path,
           Either[wow.doge.mygame.state.ScriptActor.Error, Any]
         ]
-    ): LOL = {
+    ): LOL =
       paths match {
         case head :: next => loop(next, scriptsMap + (head -> getScript(head)))
         case Nil          => scriptsMap
       }
-    }
     loop(paths, Map.empty)
   }
 

src/main/scala/wow/doge/mygame/subsystems/scriptsystem/ScriptCachingActor.scala

@@ -99,7 +99,6 @@ class ScriptCachingActor(
 ) {
   import com.softwaremill.quicklens._
   import ScriptCachingActor._
-  import Methods._
   def receiveMessage(state: State): Behavior[Command] =
     Behaviors.receiveMessage { msg =>
       msg match {
@@ -108,7 +107,6 @@ class ScriptCachingActor(
             ctx.self ! DelegateToChild(scriptActor, scriptPath, requester)
           else
             getOrCompileScript(
-              ctx,
               scriptPath,
               state.scriptsMap,
               scriptActor,
@@ -165,7 +163,6 @@ class ScriptCachingActor(
           implicit val timeout = Timeout(15.seconds)
           // child ! ScriptActor.CompileAny(scriptPath, requester)
           askChildForScriptCompilation(
-            ctx,
             scriptActor,
             scriptPath,
             requester
@@ -200,29 +197,12 @@ class ScriptCachingActor(
       }
     }
 
-}
-
-object ScriptActorPool {
-  def apply(
-      poolSize: Int
-  ): PoolRouter[ScriptActor.Command] =
-    Routers.pool(poolSize = poolSize)(
-      // make sure the workers are restarted if they fail
-      Behaviors
-        .supervise(ScriptActor())
-        .onFailure[Exception](SupervisorStrategy.restart)
-    )
-}
-
-private[scriptsystem] object Methods {
-  import ScriptCachingActor._
   def getOrCompileScript(
-      ctx: ActorContext[Command],
       scriptPath: os.Path,
       scriptsMap: ScriptsMap,
       scriptActor: ActorRef[ScriptActor.Command],
       requester: ActorRef[ScriptResult]
-  ) = {
+  ) =
     scriptsMap
       .get(scriptPath)
       .fold {
@@ -236,10 +216,8 @@ private[scriptsystem] object Methods {
         ctx.log.debugP("Getting script from cache")
         requester ! Right(s)
       }
-  }
 
   def askChildForScriptCompilation(
-      ctx: ActorContext[Command],
       scriptActor: ActorRef[ScriptActor.Command],
       scriptPath: os.Path,
       requester: ActorRef[ScriptResult]
@@ -249,7 +227,7 @@ private[scriptsystem] object Methods {
         requester ! value
         value.fold(
           err => {
-            ctx.log.error(err.reason)
+            ctx.log.errorP(err.reason)
             NoOp
           },
           res => {
@@ -257,9 +235,22 @@ private[scriptsystem] object Methods {
           }
         )
       case Failure(exception) => {
-        ctx.log.error(exception.getMessage())
+        ctx.log.errorP(exception.getMessage)
         NoOp
       }
     }
   }
+
+}
+
+object ScriptActorPool {
+  def apply(
+      poolSize: Int
+  ): PoolRouter[ScriptActor.Command] =
+    Routers.pool(poolSize = poolSize)(
+      // make sure the workers are restarted if they fail
+      Behaviors
+        .supervise(ScriptActor())
+        .onFailure[Exception](SupervisorStrategy.restart)
+    )
 }

src/main/scala/wow/doge/mygame/utils/AkkaUtils.scala

@@ -7,8 +7,12 @@ import akka.actor.typed.Scheduler
 import akka.actor.typed.SpawnProtocol
 import akka.util.Timeout
 import wow.doge.mygame.implicits._
+import java.util.concurrent.TimeoutException
+import monix.bio.IO
+import wow.doge.mygame.AppError.TimeoutError
 
 object AkkaUtils {
+
   def spawnActorOldL[T](
       spawnProtocol: ActorRef[SpawnProtocol.Command],
       actorName: String,
@@ -24,18 +28,23 @@ object AkkaUtils {
     )
   def spawnActorL[T](
       behavior: Behavior[T],
-      actorName: String
+      actorName: String,
+      props: Props = Props.empty
   )(implicit
       timeout: Timeout,
       scheduler: Scheduler,
       spawnProtocol: ActorRef[SpawnProtocol.Command]
   ) =
-    spawnProtocol.askL[ActorRef[T]](
+    spawnProtocol
+      .askL[ActorRef[T]](
         SpawnProtocol.Spawn(
           behavior,
           actorName,
-        Props.empty,
+          props,
           _
         )
       )
+  // .onErrorHandleWith {
+  //   case ex: TimeoutException => IO.raiseError(TimeoutError(ex.getMessage))
+  // }
 }

src/main/scala/wow/doge/mygame/utils/GenericConsoleStream.scala

@@ -16,7 +16,7 @@ class GenericConsoleStream[T](
     outputStream: OutputStream,
     val config: GenericConsoleStream.Config =
       GenericConsoleStream.Config.default,
-    // TODO make this atomic
+    // TODO make this atomic ?
     private var _streamable: Option[T] = None
 )(implicit
     cs: ConsoleStreamable[T]
@@ -27,27 +27,26 @@ class GenericConsoleStream[T](
     stble.foreach(s => cs.println(s, text))
 
   override def println(text: String): Unit =
-    if (config.exclusive) {
+    if (config.exclusive)
       printToStreamable(_streamable, text)
-    } else {
+    else {
       defaultOut.println(text)
       printToStreamable(_streamable, text)
     }
 
   override def print(text: String): Unit =
-    if (config.exclusive) {
+    if (config.exclusive)
       printToStreamable(_streamable, text)
-    } else {
+    else {
       defaultOut.println(text)
       printToStreamable(_streamable, text)
     }
 
-  def :=(s: T) = {
+  def :=(s: T) =
     _streamable match {
       case Some(value) =>
       case None        => _streamable = Some(s)
     }
-  }
 }
 
 object GenericConsoleStream {

src/main/scala/wow/doge/mygame/utils/GenericTimerActor.scala

@@ -0,0 +1,66 @@
+package wow.doge.mygame.utils
+
+import akka.actor.typed.scaladsl.Behaviors
+import scala.concurrent.duration.FiniteDuration
+import akka.actor.typed.ActorRef
+import akka.actor.typed.Behavior
+import akka.actor.typed.scaladsl.TimerScheduler
+import scala.util.Random
+import akka.actor.typed.scaladsl.ActorContext
+import wow.doge.mygame.implicits._
+
+object GenericTimerActor {
+  sealed trait Command
+  final case object Start extends Command
+  final case object Stop extends Command
+  private case object Tick extends Command
+  case class TimerKey(seed: Long)
+
+  case class Props[T](
+      target: ActorRef[T],
+      messageToSend: T,
+      timeInterval: FiniteDuration
+  ) {
+    def behavior =
+      Behaviors.withTimers[Command] { timers =>
+        Behaviors.setup { ctx =>
+          new GenericTimerActor(
+            ctx,
+            timers,
+            TimerKey(Random.nextLong()),
+            this
+          ).idle
+        }
+      }
+  }
+}
+class GenericTimerActor[T](
+    ctx: ActorContext[GenericTimerActor.Command],
+    timers: TimerScheduler[GenericTimerActor.Command],
+    timerKey: GenericTimerActor.TimerKey,
+    props: GenericTimerActor.Props[T]
+) {
+  import GenericTimerActor._
+
+  val idle: Behavior[Command] =
+    Behaviors.receiveMessage {
+      case Start =>
+        timers.startTimerWithFixedDelay(timerKey, Tick, props.timeInterval)
+        active
+      case _ => Behaviors.unhandled
+
+    }
+
+  val active: Behavior[Command] =
+    Behaviors.receiveMessage {
+      case Start =>
+        ctx.log.warnP(s"Timer-${timerKey.seed}: Timer already started")
+        Behaviors.same
+      case Tick =>
+        props.target ! props.messageToSend
+        Behaviors.same
+      case Stop =>
+        timers.cancel(timerKey)
+        idle
+    }
+}

src/main/scala/wow/doge/mygame/utils/wrappers/jme/AssetManager.scala

@@ -0,0 +1,61 @@
+package wow.doge.mygame.utils.wrappers.jme
+import scala.reflect.ClassTag
+
+import com.jme3.asset.AssetLoadException
+import com.jme3.asset.AssetLocator
+import com.jme3.asset.AssetNotFoundException
+import com.jme3.scene.Spatial
+import com.jme3.{asset => jmea}
+import monix.bio.IO
+import monix.bio.UIO
+
+class AssetManager(assetManager: jmea.AssetManager) {
+  import AssetManager._
+  def loadModel(path: os.RelPath): IO[Error, Spatial] =
+    IO(assetManager.loadModel(path.toString)).onErrorHandleWith {
+      case ex: AssetNotFoundException =>
+        IO.raiseError(AssetNotFound(ex.getMessage))
+      case ex: AssetLoadException =>
+        IO.raiseError(AssetLoadError(ex.getMessage))
+    }
+  def loadModelAs[T <: Spatial](
+      path: os.RelPath
+  )(implicit ct: ClassTag[T]): IO[Error, T] =
+    loadModel(path).flatMap(model =>
+      if (model.getClass == ct.runtimeClass)
+        UIO(model.asInstanceOf[T])
+      else IO.raiseError(CouldNotCastError)
+    )
+  def loadAssetAs[T](path: os.RelPath)(implicit ct: ClassTag[T]): IO[Error, T] =
+    IO(assetManager.loadAsset(path.toString))
+      .onErrorHandleWith {
+        case ex: AssetNotFoundException =>
+          IO.raiseError(AssetNotFound(ex.getMessage))
+        case ex: AssetLoadException =>
+          IO.raiseError(AssetLoadError(ex.getMessage))
+      }
+      .flatMap(asset =>
+        if (asset.getClass == ct.runtimeClass)
+          UIO(asset.asInstanceOf[T])
+        else IO.raiseError(CouldNotCastError)
+      )
+  def registerLocator(path: os.RelPath, locator: Class[_ <: AssetLocator]) =
+    UIO(assetManager.registerLocator(path.toString, locator))
+
+}
+object AssetManager {
+  sealed trait Error
+  case class AssetNotFound(message: String) extends Error
+  case class AssetLoadError(message: String) extends Error
+  case object CouldNotCastError extends Error
+  import cats.data.ReaderT
+  type IoReaderT[S, E, A] = ReaderT[UIO, S, Either[E, A]]
+  val IoReaderT = ReaderT
+  val t =
+    ReaderT[UIO, String, Either[Error, Unit]](s => UIO.unit.attempt)
+      .run("s")
+      .rethrow
+  val r: IoReaderT[String, Error, Unit] = IoReaderT(s => UIO.unit.attempt)
+  val t2 = r.run("s").rethrow
+  // Kleisli[IO, String, Unit](s => IO.unit)
+}

src/main/scala/wow/doge/mygame/utils/wrappers/jme/CollisionShapeFactory.scala

@@ -0,0 +1,18 @@
+package wow.doge.mygame.utils.wrappers.jme
+
+import com.jme3.bullet.collision.shapes.CollisionShape
+import com.jme3.bullet.{util => jmebu}
+import com.jme3.scene.Spatial
+import monix.bio.IO
+
+object CollisionShapeFactory {
+  sealed trait Error
+  case class WrongArgumentError(reason: String) extends Error
+
+  def createMeshShape(subtree: Spatial): IO[Error, CollisionShape] =
+    IO(jmebu.CollisionShapeFactory.createMeshShape(subtree)).onErrorHandleWith {
+      case ex: IllegalArgumentException
+          if (ex.getMessage.startsWith("The spatial must either be a Node")) =>
+        IO.raiseError(WrongArgumentError(ex.getMessage))
+    }
+}

src/main/scala/wow/doge/mygame/utils/wrappers/jme/Node.scala

@@ -1,28 +1,23 @@
 package wow.doge.mygame.utils.wrappers.jme
 
 import cats.effect.Sync
+import cats.syntax.eq._
+import com.jme3.light.Light
 import com.jme3.{scene => jmes}
+import monix.bio.IO
+import monix.bio.Task
+import monix.bio.UIO
 import monix.execution.annotations.UnsafeBecauseImpure
 import monix.reactive.Observable
 import wow.doge.mygame.implicits._
-import com.jme3.light.Light
-
-trait NodeDelegate {
-
-  /**
-    * Get the underlying wrapped value
-    */
-  @UnsafeBecauseImpure
-  def unsafeDelegate: jmes.Node
-}
 
 abstract class NodeWrapper[F[_]: Sync] protected (node: jmes.Node) {
+  def name = node.getName()
   def children: Observable[jmes.Spatial] = node.observableChildren
   def attachChild(n: jmes.Spatial): F[Unit] = Sync[F].delay(node.attachChild(n))
   def add(wn: Node[F]): F[Unit] =
     Sync[F].delay(node.attachChild(wn.unsafeDelegate))
-  def remove(n: jmes.Spatial): F[Unit] =
+  def remove(n: jmes.Spatial): F[Unit] = Sync[F].delay(node.detachChild(n))
-    Sync[F].delay(node.detachChild(n))
   def remove(wn: Node[F]): F[Unit] =
     Sync[F].delay(node.detachChild(wn.unsafeDelegate))
   def addLight(light: Light) =
@@ -52,8 +47,7 @@ object NodeWrapper {
 }
 
 final class Node[F[_]: Sync] private (node: jmes.Node)
-    extends NodeWrapper[F](node)
+    extends NodeWrapper[F](node) {
-    with NodeDelegate {
 
   /**
     * Get the underlying wrapped value
@@ -74,3 +68,73 @@ object AppNode {
   def apply[F[_]: Sync](n: jmes.Node) = new AppNode[F](n)
 
 }
+
+abstract class NodeWrapper2 protected (node: jmes.Node) {
+  import NodeWrapper2._
+  def name = node.getName()
+  def children: Observable[jmes.Spatial] = node.observableChildren
+  def attachChild(n: jmes.Spatial): IO[AddNodeToItselfError.type, Unit] =
+    IO { node.attachChild(n); () }.onErrorHandleWith {
+      case ex: IllegalArgumentException =>
+        if (ex.getMessage === "Cannot add child to itself")
+          IO.raiseError(AddNodeToItselfError)
+        else IO.unit
+    }
+  def add(wn: Node2): IO[AddNodeToItselfError.type, Unit] =
+    IO { node.attachChild(wn.unsafeDelegate); () }.onErrorHandleWith {
+      case ex: IllegalArgumentException =>
+        if (ex.getMessage === "Cannot add child to itself")
+          IO.raiseError(AddNodeToItselfError)
+        else IO.unit
+    }
+  def remove(n: jmes.Spatial) = UIO(node.detachChild(n))
+  def remove(wn: Node2) =
+    UIO(node.detachChild(wn.unsafeDelegate))
+  def addLight(light: Light) =
+    UIO {
+      node.addLight(light)
+    }
+  def removeLight(light: Light) =
+    UIO {
+      node.removeLight(light)
+    }
+  def asSpatial: Task[jmes.Spatial] = UIO(node)
+}
+object NodeWrapper2 {
+  sealed trait Error
+  case object AddNodeToItselfError extends Error
+  implicit class NodeOps[F[_]](private val nw: NodeWrapper2) extends AnyVal {
+    def +=(n: jmes.Spatial) = nw.attachChild(n)
+    def +=(n: Node2) = nw.add(n)
+    def -=(n: jmes.Spatial) = nw.remove(n)
+    def -=(wn: Node2) = nw.remove(wn)
+    def +=(light: Light) = {
+      nw.addLight(light)
+    }
+
+    def -=(light: Light) = {
+      nw.removeLight(light)
+    }
+  }
+}
+
+final class Node2 private (node: jmes.Node) extends NodeWrapper2(node) {
+
+  /**
+    * Get the underlying wrapped value
+    */
+  @UnsafeBecauseImpure
+  def unsafeDelegate = node
+}
+object Node2 {
+  def apply(name: String) = new Node2(new jmes.Node(name))
+  def apply(n: jmes.Node) = new Node2(n)
+}
+
+final class AppNode2 private (node: jmes.Node) extends NodeWrapper2(node)
+object AppNode2 {
+
+  def apply(name: String) = new AppNode2(new jmes.Node(name))
+  def apply(n: jmes.Node) = new AppNode2(n)
+
+}

src/main/scala/wow/doge/mygame/utils/wrappers/jme/PhysicsSpace.scala

@@ -38,6 +38,8 @@ object PhysicsSpace {
       space
     }
 
+    def -=(anyObject: Any) = space.remove(anyObject)
+
     def +=(spatial: jmes.Spatial) = space.addAll(spatial)
 
     def :+(spatial: jmes.Spatial) = {
@@ -49,5 +51,7 @@ object PhysicsSpace {
       space.removeAll(spatial)
       space
     }
+
+    def -=(spatial: jmes.Spatial) = space.removeAll(spatial)
   }
 }

src/test/scala/wow/doge/mygame/ActorTimeoutTest.scala

@@ -0,0 +1,57 @@
+package wow.doge.mygame
+
+import akka.actor.typed.scaladsl.Behaviors
+import akka.actor.typed.scaladsl.ActorContext
+import org.scalatest.funsuite.AnyFunSuite
+import org.scalatest.BeforeAndAfterAll
+import akka.actor.typed.ActorSystem
+import scala.concurrent.duration._
+import akka.actor.typed.ActorRef
+import akka.actor.typed.scaladsl.AskPattern._
+import akka.util.Timeout
+import scala.concurrent.Await
+
+class ActorTimeoutTest extends AnyFunSuite with BeforeAndAfterAll {
+  import ActorTimeoutTest._
+  implicit val as = ActorSystem(new MyActor.Props().create, "system")
+  implicit val timeout = Timeout(1.millis)
+
+  test("timeoutTest") {
+    val fut = as.ask(MyActor.GetInt(_))
+    val res = Await.result(fut, 1.second)
+    assert(res == 1)
+  }
+
+  override protected def afterAll(): Unit = {
+    as.terminate()
+  }
+
+}
+
+object ActorTimeoutTest {
+  object MyActor {
+    sealed trait Command
+    case class GetInt(replyTo: ActorRef[Int]) extends Command
+
+    class Props() {
+      def create =
+        Behaviors.setup[Command] { ctx =>
+          new MyActor(ctx, this).receive
+        }
+    }
+  }
+  class MyActor(
+      ctx: ActorContext[MyActor.Command],
+      props: MyActor.Props
+  ) {
+    import MyActor._
+    def receive =
+      Behaviors.receiveMessage[Command] {
+        case GetInt(replyTo) =>
+          // Thread.sleep(1000)
+          replyTo ! 1
+          Behaviors.same
+      }
+  }
+
+}

src/test/scala/wow/doge/mygame/AssetManagerTest.scala

@@ -0,0 +1,59 @@
+package wow.doge.mygame
+
+import org.scalatest.funsuite.AnyFunSuite
+import monix.execution.Scheduler.Implicits.global
+import cats.syntax.eq._
+import com.jme3.{asset => jmea}
+import com.jme3.asset.DesktopAssetManager
+import wow.doge.mygame.utils.wrappers.jme.AssetManager
+import wow.doge.mygame.utils.wrappers.jme.AssetManager.AssetNotFound
+import com.jme3.scene.Geometry
+import wow.doge.mygame.utils.wrappers.jme.AssetManager.CouldNotCastError
+import com.jme3.scene.Node
+import com.jme3.material.MaterialDef
+import com.jme3.material.Material
+
+class AssetManagerTest extends AnyFunSuite {
+
+  val _assetManager: jmea.AssetManager = new DesktopAssetManager(true)
+  val assetManager = new AssetManager(_assetManager)
+
+  test("Test for AssetNotFound error") {
+    val res =
+      assetManager.loadModel(os.rel / "doesnotexist").attempt.runSyncUnsafe()
+    assert(res === Left(AssetNotFound("doesnotexist")))
+  }
+
+  test("Test for Model CouldNotCastError") {
+    val modelPath = os.rel / "Models" / "Jaime" / "Jaime.j3o"
+    val res1 = assetManager
+      .loadModelAs[Geometry](modelPath)
+      .attempt
+      .runSyncUnsafe()
+
+    assert(res1 === Left(CouldNotCastError))
+
+    val res2 = assetManager
+      .loadModelAs[Node](modelPath)
+      .attempt
+      .runSyncUnsafe()
+    assert(res2.map(_.getName) === Right("JaimeGeom-ogremesh"))
+  }
+
+  test("Test for Asset CouldNotCastError") {
+    val assetPath = os.rel / "Common" / "MatDefs" / "Misc" / "Unshaded.j3md"
+
+    val res1 = assetManager
+      .loadAssetAs[Material](assetPath)
+      .attempt
+      .runSyncUnsafe()
+
+    assert(res1 === Left(CouldNotCastError))
+
+    val res2 = assetManager
+      .loadAssetAs[MaterialDef](assetPath)
+      .attempt
+      .runSyncUnsafe()
+    assert(res2.map(_.getName) === Right("Unshaded"))
+  }
+}

src/test/scala/wow/doge/mygame/CollisionShapeFactoryTest.scala

@@ -0,0 +1,51 @@
+package wow.doge.mygame
+
+import org.scalatest.funsuite.AnyFunSuite
+import com.jme3.scene.Spatial
+import com.jme3.collision.{Collidable, CollisionResults}
+import com.jme3.bounding.BoundingVolume
+import com.jme3.scene.Spatial.DFSMode
+import com.jme3.scene.SceneGraphVisitor
+import java.util.Queue
+import wow.doge.mygame.utils.wrappers.jme.CollisionShapeFactory
+import monix.execution.Scheduler.Implicits.global
+import cats.syntax.eq._
+
+class CollisionShapeFactoryTest extends AnyFunSuite {
+  test("Test for WrongArgumentError") {
+    val res = CollisionShapeFactory
+      .createMeshShape(new TestSpatial)
+      .attempt
+      .runSyncUnsafe()
+
+    assert(
+      res === Left(
+        CollisionShapeFactory.WrongArgumentError(
+          "The spatial must either be a Node or a Geometry!"
+        )
+      )
+    )
+  }
+}
+
+class TestSpatial extends Spatial {
+
+  override def collideWith(x$1: Collidable, x$2: CollisionResults): Int = ???
+
+  override def updateModelBound(): Unit = ???
+
+  override def setModelBound(x$1: BoundingVolume): Unit = ???
+
+  override def getVertexCount(): Int = ???
+
+  override def getTriangleCount(): Int = ???
+
+  override def depthFirstTraversal(x$1: SceneGraphVisitor, x$2: DFSMode): Unit =
+    ???
+
+  override protected def breadthFirstTraversal(
+      x$1: SceneGraphVisitor,
+      x$2: Queue[Spatial]
+  ): Unit = ???
+
+}