blob: a281c465d61299c2e48114b603a2566e3f45e065 [file] [log] [blame] [raw]
package universalelectricity.core.item;
import java.util.List;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTBase;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagDouble;
import net.minecraft.nbt.NBTTagFloat;
import net.minecraft.world.World;
import universalelectricity.core.electricity.ElectricityDisplay;
import universalelectricity.core.electricity.ElectricityDisplay.ElectricUnit;
/** Extend from this class if your item requires electricity or to be charged. Optionally, you can
* implement IItemElectric instead.
*
* @author Calclavia */
public abstract class ItemElectric extends Item implements IItemElectric
{
public ItemElectric(int id)
{
super(id);
this.setMaxStackSize(1);
this.setMaxDamage(100);
this.setNoRepair();
}
@Override
public void addInformation(ItemStack itemStack, EntityPlayer entityPlayer, List list, boolean par4)
{
String color = "";
float joules = this.getElectricityStored(itemStack);
if (joules <= this.getMaxElectricityStored(itemStack) / 3)
{
color = "\u00a74";
}
else if (joules > this.getMaxElectricityStored(itemStack) * 2 / 3)
{
color = "\u00a72";
}
else
{
color = "\u00a76";
}
list.add(color + ElectricityDisplay.getDisplayShort(joules, ElectricUnit.JOULES) + "/" + ElectricityDisplay.getDisplayShort(this.getMaxElectricityStored(itemStack), ElectricUnit.JOULES));
}
/** Makes sure the item is uncharged when it is crafted and not charged. Change this if you do
* not want this to happen! */
@Override
public void onCreated(ItemStack itemStack, World par2World, EntityPlayer par3EntityPlayer)
{
this.setElectricity(itemStack, 0);
}
@Override
public float recharge(ItemStack itemStack, float energy, boolean doReceive)
{
float rejectedElectricity = Math.max((this.getElectricityStored(itemStack) + energy) - this.getMaxElectricityStored(itemStack), 0);
float energyToReceive = energy - rejectedElectricity;
if (doReceive)
{
this.setElectricity(itemStack, this.getElectricityStored(itemStack) + energyToReceive);
}
return energyToReceive;
}
@Override
public float discharge(ItemStack itemStack, float energy, boolean doTransfer)
{
float energyToTransfer = Math.min(this.getElectricityStored(itemStack), energy);
if (doTransfer)
{
this.setElectricity(itemStack, this.getElectricityStored(itemStack) - energyToTransfer);
}
return energyToTransfer;
}
@Override
public float getVoltage(ItemStack itemStack)
{
return 0.120f;
}
@Override
public void setElectricity(ItemStack itemStack, float joules)
{
// Saves the frequency in the ItemStack
if (itemStack.getTagCompound() == null)
{
itemStack.setTagCompound(new NBTTagCompound());
}
float electricityStored = Math.max(Math.min(joules, this.getMaxElectricityStored(itemStack)), 0);
itemStack.getTagCompound().setFloat("electricity", electricityStored);
/** Sets the damage as a percentage to render the bar properly. */
itemStack.setItemDamage((int) (100 - (electricityStored / getMaxElectricityStored(itemStack)) * 100));
}
@Override
public float getTransfer(ItemStack itemStack)
{
return this.getMaxElectricityStored(itemStack) - this.getElectricityStored(itemStack);
}
/** Gets the energy stored in the item. Energy is stored using item NBT */
@Override
public float getElectricityStored(ItemStack itemStack)
{
if (itemStack.getTagCompound() == null)
{
itemStack.setTagCompound(new NBTTagCompound());
}
float energyStored = 0f;
if (itemStack.getTagCompound().hasKey("electricity"))
{
NBTBase obj = itemStack.getTagCompound().getTag("electricity");
if (obj instanceof NBTTagDouble)
{
energyStored = (float) ((NBTTagDouble) obj).data;
}
else if (obj instanceof NBTTagFloat)
{
energyStored = ((NBTTagFloat) obj).data;
}
}
/** Sets the damage as a percentage to render the bar properly. */
itemStack.setItemDamage((int) (100 - (energyStored / getMaxElectricityStored(itemStack)) * 100));
return energyStored;
}
@Override
public void getSubItems(int par1, CreativeTabs par2CreativeTabs, List par3List)
{
par3List.add(ElectricItemHelper.getUncharged(new ItemStack(this)));
par3List.add(ElectricItemHelper.getWithCharge(new ItemStack(this), this.getMaxElectricityStored(new ItemStack(this))));
}
}