VoxelEngine/doc/en/scripting/user-input.md
2024-07-16 17:52:18 +03:00

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# User input
User input is performed with *bindings* defined with `config/bindings.toml`.
Example:
```toml
packid.binding.name="inputtype:codename"
```
- packid - optional (recommended)
- inputtype - key or mouse
- codename - key or mouse button code (left/right/middle)
## Key names
- space, backspace, tab, enter, caps-lock, escape
- left-ctrl, left-shift, left-alt, left-super
- right-ctrl, right-shift, right-alt, right-super
- delete, home, end, insert, page-up, page-down
- left, right, down, up
- a..z
- 0..9
- f1..f25
## *input* library
```python
input.keycode(keyname: str) -> int
```
Returns key code or -1 if unknown
```python
input.mousecode(mousename: str) -> int
```
Returns mouse button code or -1 if unknown
```python
input.add_callback(bindname: str, callback: function)
```
Add binding activation callback. Example:
```lua
input.add_callback("hud.inventory", function ()
print("Inventory open key pressed")
end)
```
```python
input.get_mouse_pos() -> {int, int}
```
Returns cursor screen position.
```python
input.get_bindings() -> strings array
```
Returns all binding names.
```python
input.is_pressed(code: str) -> bool
```
Checks input activity using a code consisting of:
- input type: *key* or *mouse*
- input code: [key name](#key names) or mouse button name (left, middle, right)
Example:
```lua
if (input.is_pressed("key:enter") {
...
}
```