Am Freitag, 7. Oktober 2016 22:06:26 UTC+2 schrieb Justin du coeur:
>
> When the player wants to move, the Player Actor sends an "I'd like to move
> to X" message to the Space Actor responsible for that location, and the
> Space returns either a "yes, go ahead, you now own that position" or "nope,
> somebody's already there".
>
Thanks for your answer, I'm gonna try to implement something like a "Space
Actor" later.
I had another try at getting the walking right (without a Pathfinder) using
the scheduler and an actor.
sealed trait Walk
case class WalkTo(x: Int, y: Int) extends Walk
case class WalkOver(x: Int, y: Int) extends Walk
case class WalkOn(x: Int, y: Int) extends Walk
case class WalkEnd() extends Walk
class RoomEntity extends Actor {
import context.dispatcher
var position = (0, 0)
var destination: (Int, Int) = (0, 0)
override def preStart() = {
// Walk to (10, 10) just to test the actor
self ! WalkTo(10, 0)
}
override def receive = {
case action:Walk => action match {
// Set goal
case WalkTo(x, y) =>
if ((x, y) != position) {
destination = (x, y)
val nextStep: Option[(Int, Int)] = Some((position._1 + 1, y)) //
Pathfinder.getNextStep(position, destination)
if (nextStep.isDefined) { // Check whether next step is possible
self ! WalkOver(nextStep.get._1, nextStep.get._2)
}
}
// Animate walk (Walks over tile)
case WalkOver(x, y) =>
// (Start walking animation)
context.system.scheduler.scheduleOnce(RoomEntity.WalkingSpeed, self,
WalkOn(x, y))
// Set position (Walks on tile)
case WalkOn(x, y) =>
position = (x, y)
if (position != destination) {
self ! WalkTo(destination._1, destination._2)
} else {
// (Stop walking animation)
self ! WalkEnd()
}
}
}
}
object RoomEntity {
val WalkingSpeed = 500 milliseconds
}
(https://gist.github.com/SteveWinfield/0c9d50c66e270a7b25feb10dcd90926c)
What do you think about it? (it's calling context.system.scheduler.scheduleOnce
for every step - too much?)
Cheers,
Steve Winfield
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