ItemMobEgg.java

package net.tropicraft.item;

import java.util.List;
import java.util.Random;

import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityList;
import net.minecraft.entity.EntityLiving;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.IEntityLivingData;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.Facing;
import net.minecraft.world.World;
import net.tropicraft.entity.underdasea.EntityTropicalFish;
import net.tropicraft.info.TCInfo;
import net.tropicraft.registry.TCCreativeTabRegistry;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

public class ItemMobEgg extends ItemTropicraftMulti {

	public static String[] names = {"Iguana Egg", "Starfish Egg", "Green Frog Spawn", "Red Frog Spawn", "Yellow Frog Spawn",
		"Blue Frog Spawn", "Eye of Head", "Marlin Spawn", "Tropical Fish Spawn", "Ashen Ash", "Turtle Egg", "Man o' War", "Monkey's Paw",
		"Koa Headband", "TropiCreeper Egg", "TropiSkelly Skirt", "Spotted Eagle Ray", "Failgull", "Sea Urchin"};

	public ItemMobEgg(String[] imageNames) {
		super(imageNames);
		setMaxStackSize(64);
		setHasSubtypes(true);
		this.setCreativeTab(TCCreativeTabRegistry.tabMisc);

		if (names.length != imageNames.length)
			throw new IllegalArgumentException("A Tropicraft developer failed to make the number of mob egg names in ItemMobEgg match up with " +
					"the number of mob egg names in TCItemRegistry!");
	}


	@SideOnly(Side.CLIENT)
	/**
	 * returns a list of items with the same ID, but different meta (eg: dye returns 16 items)
	 */
	@Override
	public void getSubItems(Item par1, CreativeTabs par2CreativeTabs, List par3List) {
		for (int var4 = 0; var4 < names.length; ++var4) {
			par3List.add(new ItemStack(par1, 1, var4));
		}
	}

	@Override
	public boolean onItemUse(ItemStack itemstack, EntityPlayer entityplayer, World world, int i, int j, int k, int l, float par8, float par9, float par10) {
		if (!world.isRemote) {
			String s = "";
			switch (itemstack.getItemDamage()) {
			case 0:
				s = "Iguana";
				break;
			case 1:
				s = "Starfish";
				break;
			case 2:
				s = "TreeFrogGreen";
				break;
			case 3:
				s = "TreeFrogRed";
				break;
			case 4:
				s = "TreeFrogYellow";
				break;
			case 5:
				s = "TreeFrogBlue";
				break;
			case 6:
				s = "Easter Island Head";
				break;
			case 7:
				s = "Marlin";
				break;
			case 8:
				s = "Tropical Fish";
				if(!world.isRemote){
					EntityTropicalFish fish = new EntityTropicalFish(world);
					fish.setLocationAndAngles((double) i + 0.5D, j, (double) k + 5.5D, 0.0F, 0.0F);
					world.spawnEntityInWorld(fish);
					return true;
				}
				break;
			case 9:
				s = "AshenHunter";
				break;
			case 10:
				s = "SeaTurtleEgg";
				break;
			case 11:
				s = "MOW";
				break;
			case 12:
				s = "VMonkey";
				break;
			case 13:
				s = "Koa Man";
				break;
			case 14:
				s = "TropiCreeper";
				break;
			case 15:
				s = "TropiSkeleton";
				break;
			case 16:
				s = "EagleRay";
				break;
			case 17:
				s = "Failgull";
				break;
			case 18:
				s = "SeaUrchin";
				break;
			default:
				return true;
			}

			if (s.equals("Koa Man")) {
				Random rand = new Random();
				int choice = rand.nextInt(2);
				s = "KoaHunter";
				if (choice == 1) s = "KoaFisher";
			}

			StringBuilder sb = new StringBuilder();
			sb.append(TCInfo.MODID);
			sb.append(".");
			sb.append(s);
			s = sb.toString();

			i += Facing.offsetsXForSide[l];
			j += Facing.offsetsYForSide[l];
			k += Facing.offsetsZForSide[l];
			//System.out.println(s + itemstack.getItemDamage());
			Entity entity = EntityList.createEntityByName(s, world);

			//System.out.println("Trying to spawn a null entity: " + (entity == null));

			if (entity != null) {
				if (!entityplayer.capabilities.isCreativeMode) {
					itemstack.stackSize--;
				}
				entity.setLocationAndAngles((double) i + 0.5D, j, (double) k + 0.5D, 0.0F, 0.0F);

				if (entity instanceof EntityTropicalFish) {
					((EntityTropicalFish) entity).disableDespawning();
				}
				if(!world.isRemote) {
					if (entity instanceof EntityLivingBase) 
						((EntityLiving)entity).onSpawnWithEgg((IEntityLivingData)null);					
					world.spawnEntityInWorld(entity);
				}

			} else System.out.println("Error spawning: " + s);
		}
		return true;
	}
}