li/cil/oc/common/item/Delegate.scala

package li.cil.oc.common.item

import net.minecraft.client.renderer.texture.IconRegister
import net.minecraft.entity.player.EntityPlayer
import net.minecraft.item.ItemStack
import net.minecraft.util.Icon
import net.minecraft.world.World

trait Delegate {
  val parent: Delegator

  val unlocalizedName: String

  val itemId = parent.add(this)

  private var _icon: Option[Icon] = None

  def itemStack = new ItemStack(parent, 1, itemId)
  def itemStack(amount:Int) = new ItemStack(parent,amount,itemId)

  // ----------------------------------------------------------------------- //
  // Item
  // ----------------------------------------------------------------------- //

  def addInformation(item: ItemStack, player: EntityPlayer, tooltip: java.util.List[String], advanced: Boolean) {}

  def getItemDisplayName(stack: ItemStack): Option[String] = None

  def icon: Option[Icon] = _icon

  protected def icon_=(value: Icon) = _icon = Option(value)

  def onItemRightClick(item: ItemStack, world: World, player: EntityPlayer): ItemStack = item

  def onItemUse(item: ItemStack, player: EntityPlayer, world: World, x: Int, y: Int, z: Int, side: Int, hitX: Float, hitY: Float, hitZ: Float): Boolean = false

  def onItemUseFirst(item: ItemStack, player: EntityPlayer, world: World, x: Int, y: Int, z: Int, side: Int, hitX: Float, hitY: Float, hitZ: Float): Boolean = false

  def registerIcons(iconRegister: IconRegister) {}

  def equals(stack: ItemStack) =
    stack != null && stack.getItem == parent && parent.subItem(stack).exists(_ == this)
}