/**
* Evaluates the target blendshape values based on the state of a rig and a retargeting configuration.
* If a blendshape is not affected by the retargeting then the value of this blendshape is null.
*/
public static BlendshapeValue [] evaluate_target_blendshapes(ClipRetargeting retargeting,
Rig rig,
RigState state,
ArrayList target_blendshapes)
{
int n_target_blendshapes = target_blendshapes.Count;
BlendshapeValue [] values = new BlendshapeValue[n_target_blendshapes];
// We iterate over the targets and accumulate all sources to them
for (int index = 0; index < n_target_blendshapes; index++)
{
double value = 0.0;
int value_count = 0;
for (int mapping_nr = 0; mapping_nr < retargeting.get_number_of_blendshape_mappings(); mapping_nr++)
{
string mapping_target = retargeting.get_blendshape_mapping_destination(mapping_nr);
if (!mapping_target.Equals(((BlendshapeInfo)target_blendshapes[index]).m_name))
{
continue;
}
string mapping_src = retargeting.get_blendshape_mapping_source(mapping_nr);
int src_index = rig.shape_index(mapping_src);
if (src_index >= 0)
{
double mapping_weight = retargeting.get_blendshape_mapping_weight(mapping_nr);
value += state.blendshape_coefficient(src_index) * mapping_weight;
value_count++;
}
else
{
Debug.Log("Could not find source blend shape '" + mapping_src);
}
}
// Apply the value for this target
if (value_count > 0)
{
values[index] = new BlendshapeValue(value);
}
}
return(values);
}
