What it does
Combine block rules in the order you want them to apply. The queue tries each material until one chooses a block, so a specific surface rule can take priority over plain stone.
Connect the most specific rules first in Inputs, then finish with a general fallback. Watch for rules that always choose a block: anything after them will not get a turn at that position.
Inputs and outputs
| Name | Type | Default | What it changes |
|---|---|---|---|
| Inputs | |||
| Inputs | Material | Material rules tried in wire order; the first block choice wins. Takes several, in order. | |
| Output | |||
| Output | Material | The first material choice, or no choice if every rule passes. | |
Good to know
Distinguish air from no choice
Air stops the queue like any other block. A rule such as Vertical Material Range makes no choice outside its area, allowing later rules to run.