How do I make variable table for an inventory?

How do I make a grid that is 6 long and infinitly down, to represent an objects inventory? Lets say a campfire has 5 slots, so bit will be one row, but a box has 12, so it will be 2 rows. How do I make this?

If your question is about organizing data, you can do this with multiple array instances.

Create a separate instance of the inventory array for campfire, box, backpack etc.

To know which each array instance is for, add an instance variable "InventoryType".

Then insert as many elements as you need.

Or you can make an array of arrays - "master" array that stores UIDs of all "secondary" arrays.

no its whats appears graphically. how do I make 5 slots appear, or 12, jist organzing them in a box of sorts on the screen.