Testing out JmonkeyEngine to make a game in Scala with Akka Actors within a pure FP layer
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

149 lines
5.0 KiB

package wow.doge.mygame.game.entities.player
import scala.concurrent.duration._
import akka.actor.typed.ActorRef
import akka.actor.typed.Behavior
import akka.actor.typed.LogOptions
import akka.actor.typed.PostStop
import akka.actor.typed.SupervisorStrategy
import akka.actor.typed.scaladsl.ActorContext
import akka.actor.typed.scaladsl.Behaviors
import com.typesafe.scalalogging.Logger
import org.slf4j.event.Level
import wow.doge.mygame.Dispatchers
import wow.doge.mygame.game.entities.PlayerCameraActor
import wow.doge.mygame.game.entities.PlayerCameraEventListener
import wow.doge.mygame.game.entities.PlayerMovementEventListener
import wow.doge.mygame.implicits._
import wow.doge.mygame.subsystems.events.EventBus
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.events.TickEvent.RenderTick
import wow.doge.mygame.subsystems.movement.ImMovementActor
object PlayerActorSupervisor2 {
sealed trait Command
case object Tick extends Command
sealed trait Movement extends Command
final case class MoveLeft(pressed: Boolean) extends Movement
final case class MoveUp(pressed: Boolean) extends Movement
final case class MoveRight(pressed: Boolean) extends Movement
final case class MoveDown(pressed: Boolean) extends Movement
case object Jump extends Movement
sealed trait Camera
case object RotateLeft extends Camera
case object RotateRight extends Camera
case object RotateUp extends Camera
case object RotateDown extends Camera
class Props(
val playerEventBus: GameEventBus[PlayerEvent],
val tickEventBus: GameEventBus[TickEvent],
val imMovementActorBehavior: Behavior[ImMovementActor.Command],
val playerCameraActorBehavior: Behavior[PlayerCameraActor.Command]
) {
def behavior =
Behaviors.logMessages(
LogOptions()
.withLevel(Level.TRACE)
.withLogger(
Logger[PlayerActorSupervisor2].underlying
),
Behaviors
.setup[Command] { ctx =>
ctx.log.infoP("Starting PlayerActor")
// spawn children actors
val movementActor =
ctx.spawn(
Behaviors
.supervise(imMovementActorBehavior)
.onFailure[Exception](
SupervisorStrategy.restart.withLimit(2, 100.millis)
),
"playerMovementActor",
Dispatchers.jmeDispatcher
)
val playerCameraActor =
ctx.spawn(
playerCameraActorBehavior,
"playerCameraActor",
Dispatchers.jmeDispatcher
)
val playerCameraEl = ctx.spawn(
PlayerCameraEventListener(playerCameraActor),
"playerCameraActorEl"
)
val playerMovementEl = ctx.spawn(
Behaviors
.supervise(PlayerMovementEventListener(movementActor))
.onFailure[Exception](
SupervisorStrategy.restart.withLimit(2, 100.millis)
),
"playerMovementEventHandler"
)
val renderTickEl = {
val behavior: Behavior[RenderTick.type] =
Behaviors.setup(ctx =>
Behaviors
.receiveMessage[RenderTick.type] {
case RenderTick =>
movementActor ! ImMovementActor.Tick
// playerCameraActor ! PlayerCameraActor.Tick
Behaviors.same
}
.receiveSignal {
case (_, PostStop) =>
ctx.log.infoP("stopped")
Behaviors.same
}
)
ctx.spawn(behavior, "playerMovementTickListener")
}
//init listeners
playerEventBus ! EventBus.Subscribe(playerMovementEl)
tickEventBus ! EventBus.Subscribe(renderTickEl)
playerEventBus ! EventBus.Subscribe(playerCameraEl)
new PlayerActorSupervisor2(
ctx,
this,
Children(movementActor)
).receive
}
)
}
case class Children(
movementActor: ActorRef[ImMovementActor.Command]
)
}
class PlayerActorSupervisor2(
ctx: ActorContext[PlayerActorSupervisor2.Command],
props: PlayerActorSupervisor2.Props,
children: PlayerActorSupervisor2.Children
) {
import PlayerActorSupervisor2._
def receive =
Behaviors
.receiveMessage[Command] {
case m @ MoveDown(pressed) =>
// children.movementActor ! m
Behaviors.same
case _ =>
// children.movementActor ! ImMovementActor.MovedDown(true)
Behaviors.same
}
.receiveSignal {
case (_, PostStop) =>
ctx.log.infoP("stopped")
Behaviors.same
}
}