bool PyOrientationTo(PyObject *pyval, MT_Matrix3x3 &rot, const char *error_prefix)
{
int size= PySequence_Size(pyval);
if (size == 4)
{
MT_Quaternion qrot;
if (PyQuatTo(pyval, qrot))
{
rot.setRotation(qrot);
return true;
}
}
else if (size == 3) {
/* 3x3 matrix or euler */
MT_Vector3 erot;
if (PyVecTo(pyval, erot))
{
rot.setEuler(erot);
return true;
}
PyErr_Clear();
if (PyMatTo(pyval, rot))
{
return true;
}
}
PyErr_Format(PyExc_TypeError, "%s, could not set the orientation from a 3x3 matrix, quaternion or euler sequence", error_prefix);
return false;
}
PyObject *KX_MeshProxy::PyTransformUV(PyObject *args, PyObject *kwds)
{
int matindex;
PyObject *pymat;
int uvindex = -1;
int uvindex_from = -1;
bool ok = false;
MT_Matrix4x4 transform;
if (!PyArg_ParseTuple(args,"iO|iii:transformUV", &matindex, &pymat, &uvindex, &uvindex_from) ||
!PyMatTo(pymat, transform))
{
return NULL;
}
if (uvindex < -1 || uvindex > 1) {
PyErr_Format(PyExc_ValueError,
"mesh.transformUV(...): invalid uv_index %d", uvindex);
return NULL;
}
if (uvindex_from < -1 || uvindex_from > 1) {
PyErr_Format(PyExc_ValueError,
"mesh.transformUV(...): invalid uv_index_from %d", uvindex);
return NULL;
}
if (uvindex_from == uvindex) {
uvindex_from = -1;
}
/* transform mesh verts */
unsigned int mit_index = 0;
for (list<RAS_MeshMaterial>::iterator mit = m_meshobj->GetFirstMaterial();
(mit != m_meshobj->GetLastMaterial());
++mit, ++mit_index)
{
if (matindex == -1) {
/* always transform */
}
else if (matindex == mit_index) {
/* we found the right index! */
}
else {
continue;
}
RAS_MeshSlot *slot = mit->m_baseslot;
RAS_MeshSlot::iterator it;
ok = true;
for (slot->begin(it); !slot->end(it); slot->next(it)) {
size_t i;
for (i = it.startvertex; i < it.endvertex; i++) {
RAS_TexVert *vert = &it.vertex[i];
if (uvindex_from != -1) {
if (uvindex_from == 0) vert->SetUV(1, vert->getUV(0));
else vert->SetUV(0, vert->getUV(1));
}
switch (uvindex) {
case 0:
vert->TransformUV(0, transform);
break;
case 1:
vert->TransformUV(1, transform);
break;
case -1:
vert->TransformUV(0, transform);
vert->TransformUV(1, transform);
break;
}
}
}
/* if we set a material index, quit when done */
if (matindex == mit_index) {
break;
}
}
if (ok == false) {
PyErr_Format(PyExc_ValueError,
"mesh.transformUV(...): invalid material index %d", matindex);
return NULL;
}
m_meshobj->SetMeshModified(true);
Py_RETURN_NONE;
}
PyObject *KX_MeshProxy::PyTransform(PyObject *args, PyObject *kwds)
{
int matindex;
PyObject *pymat;
bool ok = false;
MT_Matrix4x4 transform;
if (!PyArg_ParseTuple(args,"iO:transform", &matindex, &pymat) ||
!PyMatTo(pymat, transform))
{
return NULL;
}
MT_Matrix4x4 ntransform = transform.inverse().transposed();
ntransform[0][3] = ntransform[1][3] = ntransform[2][3] = 0.0f;
/* transform mesh verts */
unsigned int mit_index = 0;
for (list<RAS_MeshMaterial>::iterator mit = m_meshobj->GetFirstMaterial();
(mit != m_meshobj->GetLastMaterial());
++mit, ++mit_index)
{
if (matindex == -1) {
/* always transform */
}
else if (matindex == mit_index) {
/* we found the right index! */
}
else {
continue;
}
RAS_MeshSlot *slot = mit->m_baseslot;
RAS_MeshSlot::iterator it;
ok = true;
for (slot->begin(it); !slot->end(it); slot->next(it)) {
size_t i;
for (i = it.startvertex; i < it.endvertex; i++) {
RAS_TexVert *vert = &it.vertex[i];
vert->Transform(transform, ntransform);
}
}
/* if we set a material index, quit when done */
if (matindex == mit_index) {
break;
}
}
if (ok == false) {
PyErr_Format(PyExc_ValueError,
"mesh.transform(...): invalid material index %d", matindex);
return NULL;
}
m_meshobj->SetMeshModified(true);
Py_RETURN_NONE;
}