/**
* 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);
}
/**
* 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 [] EvaluateTargetBlendshapes(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.GetNumberOfBlendshapeMappings(); mapping_nr++) {
string mapping_target = retargeting.GetBlendshapeMappingDestination(mapping_nr);
if (!mapping_target.Equals(((BlendshapeInfo)target_blendshapes[index]).m_name)) {
continue;
}
string mapping_src = retargeting.GetBlendshapeMappingSource(mapping_nr);
int src_index = rig.ShapeIndex(mapping_src);
if (src_index >= 0) {
double mapping_weight = retargeting.GetBlendshapeMappingWeight(mapping_nr);
value += state.BlendshapeCoefficient(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;
}
/// <summary>
/// Applies the blendshapes given an influence factor
/// </summary>
/// <returns><c>true</c>, if blendshapes could be applied, <c>false</c> otherwise.</returns>
/// <param name="transformationsToSet">The set of blendshapes to apply</param>
/// <param name="influence">The factor to apply the blendshapes. 0.0 means that they are not used at all and the current
/// animations are not changed. 1.0 means that they are fully used.</param>
protected bool ApplyBlendshapes(BlendshapeValue [] blendshapesToSetToSet, float influence) {
if (blendshapesToSetToSet.Length != m_GameObjectBlendshapes.Count) {
return false;
}
for (int index = 0; index < m_GameObjectBlendshapes.Count; index++) {
// Apply the value for this target
if (blendshapesToSetToSet[index] != null) {
BlendshapeInfo bs_info = m_GameObjectBlendshapes[index] as BlendshapeInfo;
float originalValue = bs_info.m_mesh_renderer.GetBlendShapeWeight(bs_info.m_index);
float newValue = (float)blendshapesToSetToSet[index].m_value;
bs_info.m_mesh_renderer.SetBlendShapeWeight(bs_info.m_index, influence * newValue + (1.0f - influence) * originalValue);
}
}
return true;
}
