package buildcraft.api.transport; import net.minecraft.item.EnumDyeColor; import net.minecraft.item.ItemStack; import net.minecraft.util.EnumFacing; public interface IInjectable { boolean canInjectItems(EnumFacing from); /** Offers an ItemStack for 3addition to the pipe. Will be rejected if the pipe doesn't accept items from that side. * * @param stack ItemStack offered for addition. Do not manipulate this! * @param doAdd If false no actual addition should take place. Implementors should simulate. * @param from Orientation the ItemStack is offered from. * @param color The color of the item to be added to the pipe, or null for no color. * @return Amount of items used from the passed stack. */ int injectItem(ItemStack stack, boolean doAdd, EnumFacing from, EnumDyeColor color); }