ItemFancyItemFrame.java

package slimeknights.tconstruct.gadgets.item;

import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.EntityHanging;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemHangingEntity;
import net.minecraft.item.ItemStack;
import net.minecraft.util.EnumActionResult;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.World;

import java.util.List;

import javax.annotation.Nonnull;

import slimeknights.tconstruct.gadgets.entity.EntityFancyItemFrame;
import slimeknights.tconstruct.shared.TinkerCommons;

public class ItemFancyItemFrame extends ItemHangingEntity {

  public ItemFancyItemFrame() {
    super(EntityFancyItemFrame.class);

    this.setHasSubtypes(true);
  }

  @Override
  public void getSubItems(@Nonnull Item itemIn, CreativeTabs tab, List<ItemStack> subItems) {
    subItems.add(new ItemStack(itemIn, 1, EntityFancyItemFrame.FrameType.JEWEL.ordinal()));

    if(TinkerCommons.nuggetAlubrass != null) {
      subItems.add(new ItemStack(itemIn, 1, EntityFancyItemFrame.FrameType.ALUBRASS.ordinal()));
    }
    if(TinkerCommons.nuggetCobalt != null) {
      subItems.add(new ItemStack(itemIn, 1, EntityFancyItemFrame.FrameType.COBALT.ordinal()));
    }
    if(TinkerCommons.nuggetArdite != null) {
      subItems.add(new ItemStack(itemIn, 1, EntityFancyItemFrame.FrameType.ARDITE.ordinal()));
    }
    if(TinkerCommons.nuggetManyullyn != null) {
      subItems.add(new ItemStack(itemIn, 1, EntityFancyItemFrame.FrameType.MANYULLYN.ordinal()));
    }

    subItems.add(new ItemStack(itemIn, 1, EntityFancyItemFrame.FrameType.GOLD.ordinal()));
    subItems.add(new ItemStack(itemIn, 1, EntityFancyItemFrame.FrameType.CLEAR.ordinal()));

  }

  @Nonnull
  @Override
  public String getUnlocalizedName(ItemStack stack) {
    String type = EntityFancyItemFrame.FrameType.fromMeta(stack.getMetadata()).toString().toLowerCase();

    return super.getUnlocalizedName(stack) + "." + type;
  }

  @Nonnull
  @Override
  public EnumActionResult onItemUse(@Nonnull ItemStack stack, @Nonnull EntityPlayer playerIn, @Nonnull World worldIn, BlockPos pos, EnumHand hand, @Nonnull EnumFacing side, float hitX, float hitY, float hitZ) {
    if(side == EnumFacing.DOWN) {
      return EnumActionResult.FAIL;
    }
    else if(side == EnumFacing.UP) {
      return EnumActionResult.FAIL;
    }
    else {
      BlockPos blockpos = pos.offset(side);

      if(!playerIn.canPlayerEdit(blockpos, side, stack)) {
        return EnumActionResult.FAIL;
      }
      else {
        EntityHanging entityhanging = new EntityFancyItemFrame(worldIn, blockpos, side, stack.getMetadata());

        if(entityhanging.onValidSurface()) {
          if(!worldIn.isRemote) {
            worldIn.spawnEntity(entityhanging);
          }

          --stack.stackSize;
        }

        return EnumActionResult.SUCCESS;
      }
    }
  }
}