import "luxe: io" for IO
import "luxe: world" for World, Entity, Modifiers, ModifierSystem, Transform
import "utils/hex" for Hex

//User facing API
//This is what the user of your modifier will interact with
class Slot {

  static create(entity) { Modifiers.create(This, entity) }
  static destroy(entity) { Modifiers.destroy(This, entity) }
  static has(entity) { Modifiers.has(This, entity) }

} //Slot

//Your modifier system implementation.
//This speaks to the engine and your user facing API
//to do the actual work. You'll get notified when things change
//in the world and respond to them here.
class SlotSystem is ModifierSystem {

  construct new() {
    //called when your system is first created.
  }

  init(world) {
    _world = world
    //called when your modifier is created in a world
  }

  destroy() {
    //called when your modifier is removed from a world
  }

  attach(entity, data) {
    //called when attached to an entity
  }

  detach(entity, data) {
    //called when detached from an entity, like on destroy
  }

  tick(delta) {
		if(!World.tag_has(_world, "edit")) return //only in editor pls

		//called usually once every frame.
		//called when the world that this modifier lives in, is ticked
    each {|entity, data|
			var pos = Transform.get_pos(entity)
			var coord = Hex.pos_to_coord(pos, 50) //todo: get scale from field
			coord = Hex.round(coord)
			pos = Hex.coord_to_pos(coord, 50)
      Transform.set_pos(entity, pos.x, pos.y)
			data.coord = coord
    }
  } //tick

} //SlotSystem

var Modifier = SlotSystem //required