package mekanism.api.gas; import net.minecraft.nbt.NBTTagCompound; /** * GasStack - a specified amount of a defined Gas with certain properties. * @author aidancbrady * */ public class GasStack { private Gas type; public int amount; /** * Creates a new GasStack with a defined gas ID and quantity. * @param id - gas ID to associate this GasStack to, will perform a GasRegistry lookup in the constructor * @param quantity - amount of gas to be referenced in this GasStack */ public GasStack(int id, int quantity) { type = GasRegistry.getGas(id); amount = quantity; } /** * Creates a new GasStack with a defined Gas type and quantity. * @param gas - gas type of the stack * @param quantity - amount of gas to be referenced in this GasStack */ public GasStack(Gas gas, int quantity) { type = gas; amount = quantity; } private GasStack() {} /** * Gets the Gas type of this GasStack. * @return this GasStack's Gas type */ public Gas getGas() { return type; } /** * Writes this GasStack to a defined tag compound. * @param nbtTags - tag compound to write to * @return tag compound with this GasStack's data */ public NBTTagCompound write(NBTTagCompound nbtTags) { type.write(nbtTags); nbtTags.setInteger("amount", amount); return nbtTags; } /** * Reads this GasStack's data from a defined tag compound. * @param nbtTags - tag compound to read from */ public void read(NBTTagCompound nbtTags) { type = Gas.readFromNBT(nbtTags); amount = nbtTags.getInteger("amount"); } /** * Returns the GasStack stored in the defined tag compound, or null if it doesn't exist. * @param nbtTags - tag compound to read from * @return GasStack stored in the tag compound */ public static GasStack readFromNBT(NBTTagCompound nbtTags) { if(nbtTags == null || nbtTags.hasNoTags()) { return null; } GasStack stack = new GasStack(); stack.read(nbtTags); if(stack.getGas() == null) { return null; } return stack; } /** * Returns a copied form of this GasStack. * @return copied GasStack */ public GasStack copy() { return new GasStack(type, amount); } /** * Whether or not this GasStack's gas type is equal to the other defined GasStack. * @param stack - GasStack to check * @return if the GasStacks contain the same gas type */ public boolean isGasEqual(GasStack stack) { return stack != null && getGas() == stack.getGas(); } @Override public String toString() { return "[" + type + ", " + amount + "]"; } }