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

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))
    }
}