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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file blender/collada/TransformWriter.cpp
* \ingroup collada
*/
#include "BLI_math.h"
#include "BLI_sys_types.h"
#include "BKE_object.h"
#include "TransformWriter.h"
void TransformWriter::add_node_transform(COLLADASW::Node& node, float mat[4][4], float parent_mat[4][4], bool limit_precision)
{
float loc[3], rot[3], scale[3];
float local[4][4];
if (parent_mat) {
float invpar[4][4];
invert_m4_m4(invpar, parent_mat);
mul_m4_m4m4(local, invpar, mat);
}
else {
copy_m4_m4(local, mat);
}
double dmat[4][4];
UnitConverter *converter = new UnitConverter();
converter->mat4_to_dae_double(dmat, local);
delete converter;
bc_decompose(local, loc, rot, NULL, scale);
if (node.getType() == COLLADASW::Node::JOINT) {
// XXX Why are joints handled differently ?
node.addMatrix("transform", dmat);
}
else {
add_transform(node, loc, rot, scale);
}
}
void TransformWriter::add_node_transform_ob(
COLLADASW::Node& node,
Object *ob,
BC_export_transformation_type transformation_type,
bool limit_precision)
{
#if 0
float rot[3], loc[3], scale[3];
if (ob->parent) {
float C[4][4], tmat[4][4], imat[4][4], mat[4][4];
// factor out scale from obmat
copy_v3_v3(scale, ob->size);
ob->size[0] = ob->size[1] = ob->size[2] = 1.0f;
BKE_object_to_mat4(ob, C);
copy_v3_v3(ob->size, scale);
mul_m4_series(tmat, ob->parent->obmat, ob->parentinv, C);
// calculate local mat
invert_m4_m4(imat, ob->parent->obmat);
mul_m4_m4m4(mat, imat, tmat);
// done
mat4_to_eul(rot, mat);
copy_v3_v3(loc, mat[3]);
}
else {
copy_v3_v3(loc, ob->loc);
copy_v3_v3(rot, ob->rot);
copy_v3_v3(scale, ob->size);
}
add_transform(node, loc, rot, scale);
#endif
/* Export the local Matrix (relative to the object parent, be it an object, bone or vertex(-tices)) */
float f_obmat[4][4];
BKE_object_matrix_local_get(ob, f_obmat);
switch (transformation_type) {
case BC_TRANSFORMATION_TYPE_MATRIX:
{
UnitConverter converter;
double d_obmat[4][4];
converter.mat4_to_dae_double(d_obmat, f_obmat);
if (limit_precision)
bc_sanitize_mat(d_obmat, LIMITTED_PRECISION);
node.addMatrix("transform",d_obmat);
break;
}
case BC_TRANSFORMATION_TYPE_TRANSROTLOC:
{
float loc[3], rot[3], scale[3];
bc_decompose(f_obmat, loc, rot, NULL, scale);
if (limit_precision) {
bc_sanitize_v3(loc, LIMITTED_PRECISION);
bc_sanitize_v3(rot, LIMITTED_PRECISION);
bc_sanitize_v3(scale, LIMITTED_PRECISION);
}
add_transform(node, loc, rot, scale);
break;
}
}
}
void TransformWriter::add_node_transform_identity(COLLADASW::Node& node)
{
float loc[3] = {0.0f, 0.0f, 0.0f}, scale[3] = {1.0f, 1.0f, 1.0f}, rot[3] = {0.0f, 0.0f, 0.0f};
add_transform(node, loc, rot, scale);
}
void TransformWriter::add_transform(COLLADASW::Node& node, float loc[3], float rot[3], float scale[3])
{
#if 0
node.addRotateZ("rotationZ", COLLADABU::Math::Utils::radToDegF(rot[2]));
node.addRotateY("rotationY", COLLADABU::Math::Utils::radToDegF(rot[1]));
node.addRotateX("rotationX", COLLADABU::Math::Utils::radToDegF(rot[0]));
#endif
node.addTranslate("location", loc[0], loc[1], loc[2]);
node.addRotateZ("rotationZ", RAD2DEGF(rot[2]));
node.addRotateY("rotationY", RAD2DEGF(rot[1]));
node.addRotateX("rotationX", RAD2DEGF(rot[0]));
node.addScale("scale", scale[0], scale[1], scale[2]);
}
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