private void DrawLabel(ControllerUIElement uiElement, InputAction action, ControllerMap controllerMap,
IControllerTemplate template, IControllerTemplateElement element)
{
if (element.source == null)
{
return; // this element cannot map to a source
}
ActionElementMap aem;
// A Controller Template Element Source contains Targets that each point to
// a Controller.Element or part of a Controller.Element (such as one pole of an Axis).
// Handle Axis-type Template Element
if (element.source.type == ControllerTemplateElementSourceType.Axis)
{
// Cast the source to an Axis source so we can access the 3 possible Targets
IControllerTemplateAxisSource source = (element.source as IControllerTemplateAxisSource);
// A Template axis source can be either a full-axis binding or a split-axis binding
// Handle split-axis source
if (source.splitAxis)
{
// A split-axis source has a Positive Target and a Negative Target, one for each side of the axis.
// Positive Target
aem = controllerMap.GetFirstElementMapWithElementTarget(source.positiveTarget, action.id, true);
if (aem != null)
{
uiElement.SetLabel(aem.actionDescriptiveName, AxisRange.Positive);
}
// Negative Target
aem = controllerMap.GetFirstElementMapWithElementTarget(source.negativeTarget, action.id, true);
if (aem != null)
{
uiElement.SetLabel(aem.actionDescriptiveName, AxisRange.Negative);
}
// Handle full-axis source
}
else
{
// A full-axis sources has just a single full target.
// Full Target
aem = controllerMap.GetFirstElementMapWithElementTarget(source.fullTarget, action.id, true);
if (aem != null)
{
// a full target was mapped
uiElement.SetLabel(aem.actionDescriptiveName, AxisRange.Full);
}
else
{
// no full mapping was found, look for separate positive/negative mappings
// Positive side
aem = controllerMap.GetFirstElementMapWithElementTarget(
new ControllerElementTarget(source.fullTarget)
{
axisRange = AxisRange.Positive
},
action.id,
true
);
if (aem != null)
{
uiElement.SetLabel(aem.actionDescriptiveName, AxisRange.Positive);
}
// Negative side
aem = controllerMap.GetFirstElementMapWithElementTarget(
new ControllerElementTarget(source.fullTarget)
{
axisRange = AxisRange.Negative
},
action.id,
true
);
if (aem != null)
{
uiElement.SetLabel(aem.actionDescriptiveName, AxisRange.Negative);
}
}
}
// Handle Button-type Template Element
}
else if (element.source.type == ControllerTemplateElementSourceType.Button)
{
// Cast the source to an button source
IControllerTemplateButtonSource source = (element.source as IControllerTemplateButtonSource);
// Target
aem = controllerMap.GetFirstElementMapWithElementTarget(source.target, action.id, true);
if (aem != null)
{
uiElement.SetLabel(aem.actionDescriptiveName, AxisRange.Full);
}
}
}
