Testing out JmonkeyEngine to make a game in Scala with Akka Actors within a pure FP layer
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package wow.doge.mygame.utils.wrappers.jme
import cats.effect.Sync import com.jme3.{scene => jmes} 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 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] = Sync[F].delay(node.detachChild(n)) def remove(wn: Node[F]): F[Unit] = Sync[F].delay(node.detachChild(wn.unsafeDelegate)) def addLight(light: Light) = Sync[F].delay { node.addLight(light) } def removeLight(light: Light) = Sync[F].delay { node.removeLight(light) } def asSpatial: F[jmes.Spatial] = Sync[F].delay(node) } object NodeWrapper { implicit class NodeOps[F[_]](private val nw: NodeWrapper[F]) extends AnyVal { def +=(n: jmes.Spatial) = nw.attachChild(n) def +=(n: Node[F]) = nw.add(n) def -=(n: jmes.Spatial) = nw.remove(n) def -=(wn: Node[F]) = nw.remove(wn) def +=(light: Light) = { nw.addLight(light) }
def -=(light: Light) = { nw.removeLight(light) } } }
final class Node[F[_]: Sync] private (node: jmes.Node) extends NodeWrapper[F](node) with NodeDelegate {
/**
* Get the underlying wrapped value */ @UnsafeBecauseImpure def unsafeDelegate = node } object Node { def apply[F[_]: Sync](name: String) = new Node[F](new jmes.Node(name)) def apply[F[_]: Sync](n: jmes.Node) = new Node[F](n) }
final class AppNode[F[_]: Sync] private (node: jmes.Node) extends NodeWrapper[F](node) object AppNode {
def apply[F[_]: Sync](name: String) = new AppNode[F](new jmes.Node(name)) def apply[F[_]: Sync](n: jmes.Node) = new AppNode[F](n)
}
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