Applied-Energistics-2-tiler.../items/tools/powered/powersink/AERootPoweredItem.java

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package appeng.items.tools.powered.powersink;
import java.text.MessageFormat;
import java.util.List;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.player.EntityPlayer;
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import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import appeng.api.config.AccessRestriction;
import appeng.api.config.PowerUnits;
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import appeng.api.implementations.items.IAEItemPowerStorage;
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import appeng.core.localization.GuiText;
import appeng.items.AEBaseItem;
import appeng.util.Platform;
public class AERootPoweredItem extends AEBaseItem implements IAEItemPowerStorage
{
private enum batteryOperation
{
STORAGE, INJECT, EXTRACT
};
public double maxStoredPower = 200000;
public AERootPoweredItem(Class c, String subname) {
super( c, subname );
setMaxDamage( 32 );
hasSubtypes = false;
}
@Override
public void addInformation(ItemStack is, EntityPlayer player, List lines, boolean advancedItemTooltips)
{
NBTTagCompound tag = is.getTagCompound();
double internalCurrentPower = 0;
double internalMaxPower = getAEMaxPower( is );
if ( tag != null )
{
internalCurrentPower = tag.getDouble( "internalCurrentPower" );
}
double percent = internalCurrentPower / internalMaxPower;
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lines.add( GuiText.StoredEnergy.getLocal() + ":" + MessageFormat.format( " {0,number,#} ", internalCurrentPower )
+ Platform.gui_localize( PowerUnits.AE.unlocalizedName ) + " - " + MessageFormat.format( " {0,number,#.##%} ", percent ) );
}
@Override
public boolean isDamageable()
{
return true;
}
@Override
public boolean isDamaged(ItemStack stack)
{
return true;
}
@Override
public boolean isRepairable()
{
return false;
}
@Override
public void setDamage(ItemStack stack, int damage)
{
}
final String EnergyVar = "internalCurrentPower";
private double getInternalBattery(ItemStack is, batteryOperation op, double adjustment)
{
NBTTagCompound data = Platform.openNbtData( is );
double currentStorage = data.getDouble( EnergyVar );
double maxStorage = getAEMaxPower( is );
switch (op)
{
case INJECT:
currentStorage += adjustment;
if ( currentStorage > maxStorage )
{
double diff = currentStorage - maxStorage;
data.setDouble( EnergyVar, maxStorage );
return diff;
}
data.setDouble( EnergyVar, currentStorage );
return 0;
case EXTRACT:
if ( currentStorage > adjustment )
{
currentStorage -= adjustment;
data.setDouble( EnergyVar, currentStorage );
return adjustment;
}
data.setDouble( EnergyVar, 0 );
return currentStorage;
default:
break;
}
return currentStorage;
}
/**
* inject external
*/
double injectExternalPower(PowerUnits input, ItemStack is, double amount, boolean simulate)
{
if ( simulate )
{
int requiredEU = (int) PowerUnits.AE.convertTo( PowerUnits.EU, getAEMaxPower( is ) - getAECurrentPower( is ) );
if ( amount < requiredEU )
return 0;
return amount - requiredEU;
}
else
{
double powerRemainder = injectAEPower( is, PowerUnits.EU.convertTo( PowerUnits.AE, amount ) );
return PowerUnits.AE.convertTo( PowerUnits.EU, powerRemainder );
}
}
@Override
public double injectAEPower(ItemStack is, double amt)
{
return getInternalBattery( is, batteryOperation.INJECT, amt );
}
@Override
public double extractAEPower(ItemStack is, double amt)
{
return getInternalBattery( is, batteryOperation.EXTRACT, amt );
}
@Override
public double getAEMaxPower(ItemStack is)
{
return maxStoredPower;
}
@Override
public double getAECurrentPower(ItemStack is)
{
return getInternalBattery( is, batteryOperation.STORAGE, 0 );
}
@Override
public AccessRestriction getPowerFlow(ItemStack is)
{
return AccessRestriction.WRITE;
}
@Override
public int getDisplayDamage(ItemStack is)
{
return 32 - (int) (32 * (getAECurrentPower( is ) / getAEMaxPower( is )));
}
@Override
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public void getSubItems(Item id, CreativeTabs tab, List list)
{
super.getSubItems( id, tab, list );
ItemStack charged = new ItemStack( this, 1 );
NBTTagCompound tag = Platform.openNbtData( charged );
tag.setDouble( "internalCurrentPower", getAEMaxPower( charged ) );
tag.setDouble( "internalMaxPower", getAEMaxPower( charged ) );
list.add( charged );
}
}