pages/gamedevtree/docs/clickables.md

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# Clickables
Clickables are any kind of thing that you can click for an effect. They're a more generalized version of Buyables.
DO NOT USE THESE TO MAKE THINGS THAT YOU CLICK REPEATEDLY FOR A BONUS BECAUSE THOSE ARE AWFUL.
There are several differences between the two. One is that a buyable's saved data is its amount as a Decimal, while
Clickables store a "state" which can be a number or string, but not Decimal, array, or object).
Buyables have a number of extra features which you can see on their page.
Clickables also have a smaller default size.
You can get and set a clickable's state with getClickableState(layer, id) and setClickableState(layer, id, state).
You can use clickableEffect(layer, id) to get the current effects of a clickable.
Clickables should be formatted like this:
```js
clickables: {
rows: # of rows
cols: # of columns
masterButtonPress() // **optional** If this is present, an additional button will appear above the clickables.
// pressing it will call the function.
masterButtonText: "Press me!" // **optional** text to display on the Master Button
showMasterButton(){} //**optional**, a function determining whether or not to show the button. Defaults to true if absent.
11: {
display() {return "Blah"},
etc
}
etc
}
```
Features:
- title: **optional**, displayed at the top in a larger font
It can also be a function that returns updating text.
- effect(): **optional**, A function that calculates and returns the current values of bonuses
of this clickable. Can return a value or an object containing multiple values.
- display(): A function returning everything that should be displayed on the clickable after the title, likely
changing based on its state. Can use basic HTML.
- unlocked(): **optional**, A function returning a bool to determine if the clickable is visible or not. Default is unlocked.
- canClick(): A function returning a bool to determine if you can click the clickable.
- onClick(): A function that implements clicking one of the clickable.
- style: **Optional**, Applies CSS to this clickable, in the form of an object where the keys are CSS attributes,
and the values are the values for those attributes (both as strings)
- layer: **Assigned automagically**. It's the same value as the name of this layer, so you can do player[this.layer].points or similar.
- id: **Assigned automagically**. It's the "key" which the clickable was stored under, for convenient access.
The clickable in the example's id is 11.