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