Mekanism-tilera-Edition/common/cofh/api/energy/ItemEnergyContainer.java

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package cofh.api.energy;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
/**
* Reference implementation of {@link IEnergyContainerItem}. Use/extend this or implement your own.
*
* @author King Lemming
*
*/
public class ItemEnergyContainer extends Item implements IEnergyContainerItem {
protected int capacity;
protected int maxReceive;
protected int maxExtract;
public ItemEnergyContainer(int itemID) {
super(itemID);
}
public ItemEnergyContainer(int itemID, int capacity) {
this(itemID, capacity, capacity, capacity);
}
public ItemEnergyContainer(int itemID, int capacity, int maxTransfer) {
this(itemID, capacity, maxTransfer, maxTransfer);
}
public ItemEnergyContainer(int itemID, int capacity, int maxReceive, int maxExtract) {
super(itemID);
this.capacity = capacity;
this.maxReceive = maxReceive;
this.maxExtract = maxExtract;
}
public ItemEnergyContainer setCapacity(int capacity) {
this.capacity = capacity;
return this;
}
public void setMaxTransfer(int maxTransfer) {
setMaxReceive(maxTransfer);
setMaxExtract(maxTransfer);
}
public void setMaxReceive(int maxReceive) {
this.maxReceive = maxReceive;
}
public void setMaxExtract(int maxExtract) {
this.maxExtract = maxExtract;
}
/* IEnergyContainerItem */
@Override
public int receiveEnergy(ItemStack container, int maxReceive, boolean simulate) {
if (container.stackTagCompound == null) {
container.stackTagCompound = new NBTTagCompound();
}
int energy = container.stackTagCompound.getInteger("Energy");
int energyReceived = Math.min(capacity - energy, Math.min(this.maxReceive, maxReceive));
if (!simulate) {
energy += energyReceived;
container.stackTagCompound.setInteger("Energy", energy);
}
return energyReceived;
}
@Override
public int extractEnergy(ItemStack container, int maxExtract, boolean simulate) {
if (container.stackTagCompound == null || !container.stackTagCompound.hasKey("Energy")) {
return 0;
}
int energy = container.stackTagCompound.getInteger("Energy");
int energyExtracted = Math.min(energy, Math.min(this.maxExtract, maxExtract));
if (!simulate) {
energy -= energyExtracted;
container.stackTagCompound.setInteger("Energy", energy);
}
return energyExtracted;
}
@Override
public int getEnergyStored(ItemStack container) {
if (container.stackTagCompound == null || !container.stackTagCompound.hasKey("Energy")) {
return 0;
}
return container.stackTagCompound.getInteger("Energy");
}
@Override
public int getMaxEnergyStored(ItemStack container) {
return capacity;
}
}