gets the odds of what a shop slot will fill with based on your current resources. when bomb level or weapon level up turn red, it's trying to populate the slot but marks it as sold out.
| ITEM |
CHANCE |
| WEAPON UP |
|
| LIFE +1 |
|
| LIFE MAX UP |
|
| LIFE MAX |
|
| BOMB +1 |
|
| BOMB LVL UP |
|
| SOLD OUT |
|