src/main/scala/li/cil/oc/common/block/Item.scala

package li.cil.oc.common.block

import java.util

import li.cil.oc.client.KeyBindings
import li.cil.oc.common.tileentity
import li.cil.oc.util.ItemCosts
import li.cil.oc.util.ItemUtils
import li.cil.oc.Settings
import li.cil.oc.api
import net.minecraft.block.Block
import net.minecraft.entity.player.EntityPlayer
import net.minecraft.item.EnumRarity
import net.minecraft.item.ItemBlock
import net.minecraft.item.ItemStack
import net.minecraft.util.StatCollector
import net.minecraft.world.World
import net.minecraftforge.common.util.ForgeDirection
import org.lwjgl.input

class Item(value: Block) extends ItemBlock(value) {
  setHasSubtypes(true)

  def block = field_150939_a

  override def addInformation(stack: ItemStack, player: EntityPlayer, tooltip: util.List[_], advanced: Boolean) {
    super.addInformation(stack, player, tooltip, advanced)
    (block, tooltip) match {
      case (simple: SimpleBlock, lines: util.List[String]@unchecked) =>
        simple.addInformation(getMetadata(stack.getItemDamage), stack, player, lines, advanced)

        if (input.Keyboard.isKeyDown(input.Keyboard.KEY_LMENU)) {
          ItemCosts.addTooltip(stack, lines)
        }
        else {
          lines.add(StatCollector.translateToLocalFormatted(
            Settings.namespace + "tooltip.MaterialCosts",
            input.Keyboard.getKeyName(KeyBindings.materialCosts.getKeyCode)))
        }
      case _ =>
    }
  }

  override def getRarity(stack: ItemStack) = block match {
    case simple: SimpleBlock => simple.rarity
    case _ => EnumRarity.common
  }

  override def getMetadata(itemDamage: Int) = itemDamage

  override def getUnlocalizedName = block match {
    case simple: SimpleBlock => simple.getUnlocalizedName
    case _ => Settings.namespace + "tile"
  }

  override def isBookEnchantable(a: ItemStack, b: ItemStack) = false

  override def placeBlockAt(stack: ItemStack, player: EntityPlayer, world: World, x: Int, y: Int, z: Int, side: Int, hitX: Float, hitY: Float, hitZ: Float, metadata: Int) = {
    // When placing robots in creative mode, we have to copy the stack
    // manually before it's placed to ensure different component addresses
    // in the different robots, to avoid interference of screens e.g.
    val needsCopying = player.capabilities.isCreativeMode && api.Items.get(stack) == api.Items.get("robot")
    val stackToUse = if (needsCopying) new ItemUtils.RobotData(stack).copyItemStack() else stack
    if (super.placeBlockAt(stackToUse, player, world, x, y, z, side, hitX, hitY, hitZ, metadata)) {
      // If it's a rotatable block try to make it face the player.
      world.getTileEntity(x, y, z) match {
        case keyboard: tileentity.Keyboard =>
          keyboard.setFromEntityPitchAndYaw(player)
          keyboard.setFromFacing(ForgeDirection.getOrientation(side))
        case rotatable: tileentity.traits.Rotatable =>
          rotatable.setFromEntityPitchAndYaw(player)
          if (!rotatable.validFacings.contains(rotatable.pitch)) {
            rotatable.pitch = rotatable.validFacings.headOption.getOrElse(ForgeDirection.NORTH)
          }
          if (!rotatable.isInstanceOf[tileentity.RobotProxy]) {
            rotatable.invertRotation()
          }
        case _ => // Ignore.
      }
      true
    }
    else false
  }
}