ActuallyAdditions/src/main/java/cofh/api/energy/ItemEnergyContainer.java
2016-02-16 21:49:44 +01:00

113 lines
2.6 KiB
Java

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() {
}
public ItemEnergyContainer(int capacity) {
this(capacity, capacity, capacity);
}
public ItemEnergyContainer(int capacity, int maxTransfer) {
this(capacity, maxTransfer, maxTransfer);
}
public ItemEnergyContainer(int capacity, int maxReceive, int maxExtract) {
this.capacity = capacity;
this.maxReceive = maxReceive;
this.maxExtract = maxExtract;
}
public ItemEnergyContainer setCapacity(int capacity) {
this.capacity = capacity;
return this;
}
public ItemEnergyContainer setMaxTransfer(int maxTransfer) {
setMaxReceive(maxTransfer);
setMaxExtract(maxTransfer);
return this;
}
public ItemEnergyContainer setMaxReceive(int maxReceive) {
this.maxReceive = maxReceive;
return this;
}
public ItemEnergyContainer setMaxExtract(int maxExtract) {
this.maxExtract = maxExtract;
return this;
}
/* IEnergyContainerItem */
@Override
public int receiveEnergy(ItemStack container, int maxReceive, boolean simulate) {
if (!container.hasTagCompound()) {
container.setTagCompound(new NBTTagCompound());
}
int energy = container.getTagCompound().getInteger("Energy");
int energyReceived = Math.min(capacity - energy, Math.min(this.maxReceive, maxReceive));
if (!simulate) {
energy += energyReceived;
container.getTagCompound().setInteger("Energy", energy);
}
return energyReceived;
}
@Override
public int extractEnergy(ItemStack container, int maxExtract, boolean simulate) {
if (container.getTagCompound() == null || !container.getTagCompound().hasKey("Energy")) {
return 0;
}
int energy = container.getTagCompound().getInteger("Energy");
int energyExtracted = Math.min(energy, Math.min(this.maxExtract, maxExtract));
if (!simulate) {
energy -= energyExtracted;
container.getTagCompound().setInteger("Energy", energy);
}
return energyExtracted;
}
@Override
public int getEnergyStored(ItemStack container) {
if (container.getTagCompound() == null || !container.getTagCompound().hasKey("Energy")) {
return 0;
}
return container.getTagCompound().getInteger("Energy");
}
@Override
public int getMaxEnergyStored(ItemStack container) {
return capacity;
}
}