ItemModule.java

package emasher.items;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import emasher.EngineersToolbox;
import emasher.api.ModuleRegistry;
import emasher.api.SocketModule;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.util.EnumChatFormatting;
import net.minecraft.util.IIcon;
import net.minecraft.world.World;
import org.lwjgl.input.Keyboard;

import java.util.List;

public class ItemModule extends Item {
	@SideOnly( Side.CLIENT )
	public IIcon[] textures;
	
	public ItemModule() {
		super();
		this.setCreativeTab( EngineersToolbox.tabModules() );
		this.setHasSubtypes( true );
		this.setUnlocalizedName( "socket_module" );
	}
	
	@Override
	@SideOnly( Side.CLIENT )
	public IIcon getIconFromDamage( int damage ) {
		return textures[damage];
	}
	
	@Override
	public ItemStack onItemRightClick( ItemStack item, World world, EntityPlayer player ) {
		if( player.isSneaking() && !world.isRemote && player.capabilities.isCreativeMode ) {
			do {
				item.setItemDamage( item.getItemDamage() + 1 );
				if( item.getItemDamage() == ModuleRegistry.numModules ) item.setItemDamage( 0 );
			} while( ModuleRegistry.getModule( item.getItemDamage() ) == null );
		}
		
		return item;
	}
	
	@Override
	public void addInformation( ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, List par3List, boolean par4 ) {
		if( Keyboard.isKeyDown( Keyboard.KEY_LSHIFT ) ) {
			SocketModule m = ModuleRegistry.getModule( par1ItemStack.getItemDamage() );
			par3List.add( "" );
			m.getToolTip( par3List );
			par3List.add( "" );
			m.getIndicatorKey( par3List );
			
			for( int i = 0; i < 2; i++ ) {
				Object l = par3List.get( par3List.size() - 1 );
				if( ( l instanceof String ) && l.equals( "" ) ) {
					par3List.remove( par3List.size() - 1 );
				}
			}
		} else {
			par3List.add( EnumChatFormatting.GOLD + ( EnumChatFormatting.ITALIC + "Hold shift for info..." ) );
		}
	}
	
	@Override
	public String getUnlocalizedName( ItemStack itemstack ) {
		return getUnlocalizedName() + "." + itemstack.getItemDamage();
	}
	
	@SideOnly( Side.CLIENT )
	public void getSubItems( Item item, CreativeTabs par2CreativeTabs, List list ) {
		for( int i = 1; i < ModuleRegistry.numModules; i++ ) {
			if( ModuleRegistry.getModule( i ) != null ) {
				list.add( new ItemStack( item, 1, i ) );
			}
		}
	}
	
	@Override
	@SideOnly( Side.CLIENT )
	public void registerIcons( IIconRegister ir ) {
		SocketModule m;
		int l;
		int temp;
		
		this.itemIcon = ir.registerIcon( "eng_toolbox:bg" );
		
		textures = new IIcon[ModuleRegistry.numModules];
		
		for( int i = 0; i < ModuleRegistry.numModules; i++ ) {
			m = ModuleRegistry.getModule( i );
			if( m != null ) {
				textures[i] = ir.registerIcon( m.textureFiles[0] );
			}
		}
	}

}