private gvr_value_type GetPropertyValueType(gvr_property_type propertyType)
{
gvr_value_type propType = gvr_value_type.None;
switch (propertyType)
{
case gvr_property_type.TrackingFloorHeight:
propType = gvr_value_type.Float;
break;
case gvr_property_type.RecenterTransform:
propType = gvr_value_type.Mat4f;
break;
case gvr_property_type.SafetyRegion:
propType = gvr_value_type.Int;
break;
case gvr_property_type.SafetyCylinderInnerRadius:
propType = gvr_value_type.Float;
break;
case gvr_property_type.SafetyCylinderOuterRadius:
propType = gvr_value_type.Float;
break;
}
return(propType);
}
/// Returns true if a property was available and retrieved.
private bool _GvrGetProperty(gvr_property_type propertyType, GvrValue valueOut)
{
gvr_value_type valueType = GetPropertyValueType(propertyType);
if (valueType == gvr_value_type.None)
{
Debug.LogError("Unknown gvr property " + propertyType + ". Unable to type check.");
}
if (gvrPropertiesPtr == IntPtr.Zero)
{
try
{
gvrPropertiesPtr = gvr_get_current_properties(gvrContextPtr);
}
catch (EntryPointNotFoundException)
{
Debug.LogError("GvrHeadset not supported by this version of Unity. " +
"Support starts in 5.6.3p3 and 2017.1.1p1.");
throw;
}
}
if (gvrPropertiesPtr == IntPtr.Zero)
{
return(false);
}
// Assumes that gvr_properties_get (C API) will only ever return
// GvrErrorType.None or GvrErrorType.NoEventAvailable.
bool success =
(GvrErrorType.None ==
(GvrErrorType)gvr_properties_get(gvrPropertiesPtr, propertyType, valueOut.BufferPtr));
if (success)
{
valueOut.Parse();
success = (valueType == gvr_value_type.None || valueOut.TypeEnum == valueType);
if (!success)
{
Debug.LogError("GvrGetProperty " + propertyType + " type mismatch, expected "
+ valueType + " got " + valueOut.TypeEnum);
}
}
return(success);
}
