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use webcore::try_from::{
TryFrom,
TryInto,
};
use webcore::value::{
ConversionError,
Reference,
Value,
};
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub enum GamepadMappingType {
NoMapping,
Standard,
}
impl TryFrom<Value> for GamepadMappingType {
type Error = ConversionError;
fn try_from(v: Value) -> Result<Self, Self::Error> {
let value: String = v.try_into()?;
match value.as_ref() {
"" => Ok(GamepadMappingType::NoMapping),
"standard" => Ok(GamepadMappingType::Standard),
s => Err(ConversionError::Custom(format!("invalid gamepad mapping type \"{}\"", s))),
}
}
}
#[derive(Clone, Debug, Eq, PartialEq, ReferenceType)]
#[reference(instance_of = "GamepadButton")]
pub struct GamepadButton( Reference );
impl GamepadButton {
#[inline]
pub fn pressed(&self) -> bool {
js!(
return @{self.as_ref()}.pressed;
).try_into().unwrap()
}
#[inline]
pub fn touched(&self) -> bool {
js!(
return @{self.as_ref()}.touched;
).try_into().unwrap()
}
#[inline]
pub fn value(&self) -> f64 {
js!(
return @{self.as_ref()}.value;
).try_into().unwrap()
}
}
#[derive(Clone, Debug, Eq, PartialEq, ReferenceType)]
#[reference(instance_of = "Gamepad")]
pub struct Gamepad( Reference );
impl Gamepad {
#[inline]
pub fn id(&self) -> String {
js!(
return @{self.as_ref()}.id;
).try_into().unwrap()
}
#[inline]
pub fn index(&self) -> i32 {
js!(
return @{self.as_ref()}.index;
).try_into().unwrap()
}
#[inline]
pub fn connected(&self) -> bool {
js!(
return @{self.as_ref()}.connected;
).try_into().unwrap()
}
#[inline]
pub fn timestamp(&self) -> f64 {
js!(
return @{self.as_ref()}.timestamp;
).try_into().unwrap()
}
#[inline]
pub fn mapping(&self) -> GamepadMappingType {
js!(
return @{self.as_ref()}.mapping;
).try_into().unwrap()
}
#[inline]
pub fn axes(&self) -> Vec<f64> {
js!(
return @{self.as_ref()}.axes;
).try_into().unwrap()
}
#[inline]
pub fn buttons(&self) -> Vec<GamepadButton> {
js!(
return @{self.as_ref()}.buttons;
).try_into().unwrap()
}
pub fn get_all() -> Vec<Option<Gamepad>> {
js!(
return Array.from(navigator.getGamepads());
).try_into().unwrap()
}
}
#[cfg(test)]
mod tests {
use super::GamepadMappingType;
use webcore::try_from::TryInto;
use webcore::value::{ConversionError, Value};
#[test]
fn test_value_into_gamepad_mapping() {
let to_mapping = |v: Value| -> Result<GamepadMappingType, ConversionError> {
v.try_into()
};
assert_eq!(to_mapping("standard".into()), Ok(GamepadMappingType::Standard));
assert_eq!(to_mapping("".into()), Ok(GamepadMappingType::NoMapping));
assert!(to_mapping("fakemapping".into()).is_err());
assert!(to_mapping(Value::Null).is_err());
}
}