Redstone Input Port
The Redstone Input Port is an upgrade which allows web pages to read the redstone levels around the screen.
Contents
Recipe
The item on the left is a Blank Upgrade.
JavaScript
- The upgrade name returned by
GetUpgradesiswebdisplays:redinput - If this upgrade is used in combination with the Redstone Output Port upgrade, the redstone level obtained by any of these queries/callbacks on an emitting block is undefined
- For more information on how to use these queries, check out Screen#JavaScript
Queries
This upgrade adds the following queries:
| Query name | Arguments | Return value | Comment |
|---|---|---|---|
| GetRedstoneAt | int, int | {"level":int} |
0, 0 is the bottom left block. Rotation is not handled. |
| GetRedstoneArray | None | {"levels":[int]} |
The level of the block at (x, y) is at index y * width + x
|
Callbacks
This upgrade adds the following callbacks:
-
webdisplaysRedstoneCallback(x, y, level)will be called if the redstone level of the block at x, y has changed.
