TheTorchMod/com/bernard/torch/items/TorchAmulet.java

package com.bernard.torch.items;

import baubles.api.BaubleType;
import baubles.api.IBauble;
import com.bernard.torch.api.ITorchRechargable;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.util.List;
import net.minecraft.block.Block;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.IIcon;
import net.minecraft.world.World;




public class TorchAmulet
    extends Item
    implements IBauble, ITorchRechargable
{
    public static int yRelative = 0;
    
    public static final int size = 4;
    public static final int ecart = 5;
    public static final int maxYRelative = 5;
    public static final int minYRelative = -5;
    public static final int[] maxTorchesFromMeta = { 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144 };
    
    public static String[] names = { "torch_amulet", "coal_torch_amulet", "iron_torch_amulet", "quartz_torch_amulet", "gold_torch_amulet", "redstone_torch_amulet", "lapis_torch_amulet", "diamond_torch_amulet", "emerald_torch_amulet" };
    

    public static IIcon[] textures = new IIcon[names.length];
    
    public TorchAmulet() {
        setMaxStackSize(1);
        setHasSubtypes(true);
    }
    
    public void addInformation(ItemStack itemstack, EntityPlayer player, List l, boolean flag)
    {
        super.addInformation(itemstack, player, l, flag);
        if ((itemstack.stackTagCompound == null) || (!itemstack.stackTagCompound.hasKey("TorchesLeft", 3))) {
            itemstack.stackTagCompound = new NBTTagCompound();
            int meta = itemstack.getMetadata();
            if (meta >= maxTorchesFromMeta.length)
                meta = 0;
            itemstack.stackTagCompound.setInteger("TorchesLeft", maxTorchesFromMeta[meta]);
        }
        l.add("Torches left :" + itemstack.stackTagCompound.getInteger("TorchesLeft"));
    }
    

    public int getMetadata(int meta)
    {
        return meta;
    }
    
    public String getUnlocalizedName(ItemStack stack)
    {
        int meta = stack.getMetadata();
        if ((meta < 0) || (meta >= names.length))
            meta = 0;
        return names[meta];
    }
    
    public void registerIcons(IIconRegister iconregister) {
        for (int i = 0; i < names.length; i++)
        {
            textures[i] = iconregister.registerIcon("torch_mod:" + names[i]);
        }
    }
    
    @SideOnly(Side.CLIENT)
    public void getSubItems(Item i, CreativeTabs creativeTabs, List list)
    {
        for (int metadata = 0; metadata < names.length; metadata++)
        {
            list.add(new ItemStack(i, 1, metadata));
        }
    }
    
    public IIcon getIconFromDamage(int meta)
    {
        if ((meta < 0) || (meta >= names.length))
            meta = 0;
        return textures[meta];
    }
    
    public void onCreated(ItemStack itemstack, World w, EntityPlayer pl)
    {
        super.onCreated(itemstack, w, pl);
        if ((itemstack.stackTagCompound == null) || 
            (!itemstack.stackTagCompound.hasKey("TorchesLeft", 3))) {
            itemstack.stackTagCompound = new NBTTagCompound();
            int meta = itemstack.getMetadata();
            if (meta >= maxTorchesFromMeta.length)
                meta = 0;
            itemstack.stackTagCompound.setInteger("TorchesLeft", maxTorchesFromMeta[meta]);
        }
    }
    

    public BaubleType getBaubleType(ItemStack itemstack)
    {
        return BaubleType.AMULET;
    }
    
    public void onWornTick(ItemStack itemstack, EntityLivingBase player)
    {
        if ((itemstack.stackTagCompound == null) || 
            (!itemstack.stackTagCompound.hasKey("TorchesLeft", 3))) {
            itemstack.stackTagCompound = new NBTTagCompound();
            int meta = itemstack.getMetadata();
            if (meta >= maxTorchesFromMeta.length)
                meta = 0;
            itemstack.stackTagCompound.setInteger("TorchesLeft", maxTorchesFromMeta[meta]);
        }
        if (itemstack.stackTagCompound.getInteger("TorchesLeft") > 0) {
            int modX = (int)player.posX - (int)player.posX % 5;
            int modZ = (int)player.posZ - (int)player.posZ % 5;
            int y = (int)player.posY;
            for (int x = -20; x <= 20; x += 5) {
                for (int z = -20; z <= 20; z += 5) {
                    if (placeTorch(player.worldObj, modX + x, y + yRelative, modZ + z)) {
                        itemstack.stackTagCompound.setInteger("TorchesLeft", itemstack.stackTagCompound.getInteger("TorchesLeft") - 1);
                    }
                }
            }
            yRelative = yRelative == 4 ? -5 : yRelative + 1;
        }
    }
    
    public boolean placeTorch(World w, int x, int y, int z) {
        if ((Blocks.torch.canPlaceBlockAt(w, x, y, z)) && (w.isAirBlock(x, y, z))) {
            w.setBlock(x, y, z, Blocks.torch);
            return true;
        }
        return false;
    }
    
    public void onEquipped(ItemStack itemstack, EntityLivingBase player)
    {
        if ((itemstack.stackTagCompound == null) || 
            (!itemstack.stackTagCompound.hasKey("TorchesLeft", 3))) {
            itemstack.stackTagCompound = new NBTTagCompound();
            int meta = itemstack.getMetadata();
            if (meta >= maxTorchesFromMeta.length)
                meta = 0;
            itemstack.stackTagCompound.setInteger("TorchesLeft", maxTorchesFromMeta[meta]);
        }
    }
    


    public void onUnequipped(ItemStack itemstack, EntityLivingBase player) {}
    

    public boolean canEquip(ItemStack itemstack, EntityLivingBase player)
    {
        return true;
    }
    
    public boolean canUnequip(ItemStack itemstack, EntityLivingBase player)
    {
        return true;
    }
    
    public void recharge(ItemStack itemstack, int lux)
    {
        int meta = itemstack.getMetadata();
        if ((itemstack.stackTagCompound == null) || 
            (!itemstack.stackTagCompound.hasKey("TorchesLeft", 3))) {
            itemstack.stackTagCompound = new NBTTagCompound();
            if (meta >= maxTorchesFromMeta.length)
                meta = 0;
            itemstack.stackTagCompound.setInteger("TorchesLeft", maxTorchesFromMeta[meta]);
        }
        itemstack.stackTagCompound.setInteger("TorchesLeft", Math.min(itemstack.stackTagCompound.getInteger("TorchesLeft") + lux, maxTorchesFromMeta[meta]));
    }
    
    public int getLuxNedded(ItemStack itemstack)
    {
        int meta = itemstack.getMetadata();
        if ((itemstack.stackTagCompound == null) || 
            (!itemstack.stackTagCompound.hasKey("TorchesLeft", 3))) {
            itemstack.stackTagCompound = new NBTTagCompound();
            if (meta >= maxTorchesFromMeta.length)
                meta = 0;
            itemstack.stackTagCompound.setInteger("TorchesLeft", maxTorchesFromMeta[meta]);
        }
        return maxTorchesFromMeta[meta] - itemstack.stackTagCompound.getInteger("TorchesLeft");
    }
}