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Merged
ShadowApex merged 1 commit into from
Feb 25, 2026
Merged

feat(CapabilityMap): add config for inverting axis values #534

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18 changes: 17 additions & 1 deletion rootfs/usr/share/inputplumber/schema/capability_map_v2.json
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Original file line number Diff line number Diff line change
Expand Up @@ -67,20 +67,36 @@
"type": "object",
"properties": {
"deadzone": {
"description": "A value from 0.0-1.0 of how far an axis should be pressed in a particular direction\nin order for it to be considered \"pressed\"",
"type": [
"number",
"null"
],
"format": "double"
},
"direction": {
"description": "Direction of the axis to translate. Can be one of [\"vertical\", \"horizontal\", \"left\",\n\"right\", \"up\", \"down\"].",
"type": [
"string",
"null"
]
},
"invert": {
"description": "Invert all values of this axis with the matching direction",
"type": [
"boolean",
"null"
]
},
"name": {
"type": "string"
},
"quadratic_scaling": {
"description": "Use quadratic scaling for more precise control with small stick movements",
"type": [
"boolean",
"null"
]
}
},
"required": [
Expand Down Expand Up @@ -1430,4 +1446,4 @@
]
}
}
}
}
8 changes: 8 additions & 0 deletions src/config/capability_map.rs
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Expand Up @@ -222,12 +222,20 @@ pub struct GamepadCapability {
#[serde(rename_all = "snake_case")]
pub struct AxisCapability {
pub name: String,
/// Direction of the axis to translate. Can be one of ["vertical", "horizontal", "left",
/// "right", "up", "down"].
#[serde(skip_serializing_if = "Option::is_none")]
pub direction: Option<String>,
/// A value from 0.0-1.0 of how far an axis should be pressed in a particular direction
/// in order for it to be considered "pressed"
#[serde(skip_serializing_if = "Option::is_none")]
pub deadzone: Option<f64>,
/// Use quadratic scaling for more precise control with small stick movements
#[serde(skip_serializing_if = "Option::is_none")]
pub quadratic_scaling: Option<bool>,
/// Invert all values of this axis with the matching direction
#[serde(skip_serializing_if = "Option::is_none")]
pub invert: Option<bool>,
}

#[derive(Debug, Deserialize, Serialize, Clone, JsonSchema, PartialEq)]
Expand Down
35 changes: 24 additions & 11 deletions src/input/event/value.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -253,19 +253,32 @@ impl InputValue {
.and_then(|gamepad| gamepad.axis.as_ref())
.and_then(|axis| axis.quadratic_scaling)
.unwrap_or(false);
let use_inverse_value = target_config
.gamepad
.as_ref()
.and_then(|gamepad| gamepad.axis.as_ref())
.and_then(|axis| axis.invert)
.unwrap_or(false);

match use_scaling {
false => Ok(self.clone()),
true => match self {
InputValue::Vector2 { x, y } => {
let scaled_x = x.map(|v| v * v.abs());
let scaled_y = y.map(|v| v * v.abs());
Ok(InputValue::Vector2 { x: scaled_x, y: scaled_y })
},
_ => Ok(self.clone()),
},
match self {
InputValue::Vector2 { x, y } => {
let (mut value_x, mut value_y) = (*x, *y);
if use_inverse_value {
value_x = value_x.map(|v| -v);
value_y = value_y.map(|v| -v);
}
if use_scaling {
value_x = value_x.map(|v| v * v.abs());
value_y = value_y.map(|v| v * v.abs());
}
Ok(InputValue::Vector2 {
x: value_x,
y: value_y,
})
}
_ => Ok(self.clone()),
}
},
}
// Axis -> Trigger
Gamepad::Trigger(_) => Err(TranslationError::NotImplemented),
// Axis -> Accelerometer
Expand Down