Method getHasStack

src/main/java/gregapi/gui/Slot_Base.java:103–103

()

	@Override protected void onCrafting(ItemStack aStack) {/**/}
	@Override public void onPickupFromSlot(EntityPlayer aPlayer, ItemStack aStack) {onSlotChanged();}
	@Override public boolean getHasStack() {return getStack() != null;}
	@Override public int getSlotIndex() {return mIndex;}
}