// Legacy support
if (nbt.hasKey("Pulser")) {
NBTTagCompound pulsarTag = nbt.getCompoundTag("Pulser");
GateExpansionController pulsarCon = GateExpansionPulsar.INSTANCE.makeController(pipe.container);
pulsarCon.readFromNBT(pulsarTag);
gate.expansions.put(GateExpansionPulsar.INSTANCE, pulsarCon);
}
NBTTagList exList = nbt.getTagList("expansions", Constants.NBT.TAG_COMPOUND);
for (int i = 0; i < exList.tagCount(); i++) {