Harvest logistics

The Harvie puts every harvest into its export slot. From there it goes on through a chute, in the simplest case into a fridge. If that fills up, everything backs up to the Harvie, and the next ripe plant cannot be harvested.

The way of the harvest#

1. The Harvie harvests, the produce lands in slot 1 (export).
2. Through the export port it goes into a chute.
3. At the end there is a store: fridge (StructureFridgeBig, 15 slots) or locker (StructureStorageLocker, 30 slots).

A fridge slows down the decay of food. That makes it the better choice for the harvest.

Counting the store#

Every slot reports Quantity (number of items) and Occupied. For the sum over all slots you walk through the slot numbers with a loop. lbns with Sum adds each number over all fridges of the same name. Here Sum is right, because quantities really add up.

move total 0
move used 0
move idx 0
count:
lbns tmp FRIDGE HASH("Vorrat") idx Quantity Sum
add total total tmp
lbns tmp FRIDGE HASH("Vorrat") idx Occupied Sum
add used used tmp
add idx idx 1
blt idx SLOTS count

15 passes with six instructions are 90 instructions, which fits into one tick. With a locker of 30 slots it would be 180. Then the loop spreads over two ticks by itself, because the chip pauses after 128 instructions. So always evaluate the result only after the loop.

Avoiding overflow#

Occupied with Sum counts the occupied slots. If all are occupied, the store is full – more precisely: almost full, because a stack can still grow. For the Harvie a simple rule is enough:

• store full or Harvie export slot occupied → Harvie off, light on.
• An occupied export slot means: the chute takes nothing more.

sge stop used CAPACITY                            # all occupied
lbns tmp HARVIE HASH("Ernter") 1 Occupied Average   # export full?
sgtz tmp tmp
or stop stop tmp