92 lines
2.3 KiB
Java
92 lines
2.3 KiB
Java
package universalelectricity.core.item;
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import net.minecraft.item.Item;
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import net.minecraft.item.ItemStack;
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/**
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* Some helper functions for electric items.
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*
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* @author Calclavia
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*
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*/
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public class ElectricItemHelper
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{
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/**
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* Recharges an electric item.
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*
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* @param joules - The joules being provided to the electric item
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* @return The total amount of joules provided by the provider.
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*/
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public static float chargeItem(ItemStack itemStack, float joules)
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{
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if (itemStack != null)
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{
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if (itemStack.getItem() instanceof IItemElectric)
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{
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return ((IItemElectric) itemStack.getItem()).recharge(itemStack, Math.min(((IItemElectric) itemStack.getItem()).getTransfer(itemStack), joules), true);
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}
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}
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return 0;
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}
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/**
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* Decharges an electric item.
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*
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* @param joules - The joules being withdrawn from the electric item
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* @return The total amount of joules the provider received.
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*/
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public static float dischargeItem(ItemStack itemStack, float joules)
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{
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if (itemStack != null)
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{
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if (itemStack.getItem() instanceof IItemElectric)
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{
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return ((IItemElectric) itemStack.getItem()).discharge(itemStack, Math.min(((IItemElectric) itemStack.getItem()).getMaxElectricityStored(itemStack), joules), true);
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}
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}
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return 0;
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}
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/**
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* Returns an uncharged version of the electric item. Use this if you want the crafting recipe
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* to use a charged version of the electric item instead of an empty version of the electric
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* item
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*
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* @return An electrical ItemStack with a specific charge.
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*/
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public static ItemStack getWithCharge(ItemStack itemStack, float joules)
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{
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if (itemStack != null)
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{
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if (itemStack.getItem() instanceof IItemElectric)
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{
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((IItemElectric) itemStack.getItem()).setElectricity(itemStack, joules);
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return itemStack;
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}
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}
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return itemStack;
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}
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public static ItemStack getWithCharge(Item item, float joules)
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{
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return getWithCharge(new ItemStack(item), joules);
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}
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public static ItemStack getCloneWithCharge(ItemStack itemStack, float joules)
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{
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return getWithCharge(itemStack.copy(), joules);
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}
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public static ItemStack getUncharged(ItemStack itemStack)
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{
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return getWithCharge(itemStack, 0);
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}
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public static ItemStack getUncharged(Item item)
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{
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return getUncharged(new ItemStack(item));
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}
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}
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