void TransformWriter::add_node_transform(COLLADASW::Node& node, float mat[4][4], float parent_mat[4][4])
{
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);
TransformBase::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)
{
#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_serie_m4(tmat, ob->parent->obmat, ob->parentinv, C, NULL, NULL, NULL, NULL, NULL);
// calculate local mat
invert_m4_m4(imat, ob->parent->obmat);
mult_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
/* Using parentinv should allow use of existing curves */
if (ob->parent) {
// If parentinv is identity don't add it.
bool add_parinv = false;
for (int i = 0; i < 16; ++i) {
float f = (i % 4 == i / 4) ? 1.0f : 0.0f;
add_parinv |= (ob->parentinv[i % 4][i / 4] != f);
}
if (add_parinv) {
double dmat[4][4];
UnitConverter converter;
converter.mat4_to_dae_double(dmat, ob->parentinv);
node.addMatrix("parentinverse", dmat);
}
}
add_transform(node, ob->loc, ob->rot, ob->size);
}
std::string AnimationExporter::create_4x4_source(std::vector<float> &frames, Object *ob, Bone *bone, const std::string &anim_id)
{
COLLADASW::InputSemantic::Semantics semantic = COLLADASW::InputSemantic::OUTPUT;
std::string source_id = anim_id + get_semantic_suffix(semantic);
COLLADASW::Float4x4Source source(mSW);
source.setId(source_id);
source.setArrayId(source_id + ARRAY_ID_SUFFIX);
source.setAccessorCount(frames.size());
source.setAccessorStride(16);
COLLADASW::SourceBase::ParameterNameList ¶m = source.getParameterNameList();
add_source_parameters(param, semantic, false, NULL, true);
source.prepareToAppendValues();
bPoseChannel *parchan = NULL;
bPoseChannel *pchan = NULL;
if (ob->type == OB_ARMATURE && bone) {
bPose *pose = ob->pose;
pchan = BKE_pose_channel_find_name(pose, bone->name);
if (!pchan)
return "";
parchan = pchan->parent;
enable_fcurves(ob->adt->action, bone->name);
}
std::vector<float>::iterator it;
int j = 0;
for (it = frames.begin(); it != frames.end(); it++) {
float mat[4][4], ipar[4][4];
float ctime = BKE_scene_frame_get_from_ctime(scene, *it);
CFRA = BKE_scene_frame_get_from_ctime(scene, *it);
//BKE_scene_update_for_newframe(G.main->eval_ctx, G.main,scene,scene->lay);
BKE_animsys_evaluate_animdata(scene, &ob->id, ob->adt, ctime, ADT_RECALC_ALL);
if (bone) {
if (pchan->flag & POSE_CHAIN) {
enable_fcurves(ob->adt->action, NULL);
BKE_animsys_evaluate_animdata(scene, &ob->id, ob->adt, ctime, ADT_RECALC_ALL);
BKE_pose_where_is(scene, ob);
}
else {
BKE_pose_where_is_bone(scene, ob, pchan, ctime, 1);
}
// compute bone local mat
if (bone->parent) {
invert_m4_m4(ipar, parchan->pose_mat);
mul_m4_m4m4(mat, ipar, pchan->pose_mat);
}
else
copy_m4_m4(mat, pchan->pose_mat);
// OPEN_SIM_COMPATIBILITY
// AFAIK animation to second life is via BVH, but no
// reason to not have the collada-animation be correct
if (export_settings->open_sim) {
float temp[4][4];
copy_m4_m4(temp, bone->arm_mat);
temp[3][0] = temp[3][1] = temp[3][2] = 0.0f;
invert_m4(temp);
mul_m4_m4m4(mat, mat, temp);
if (bone->parent) {
copy_m4_m4(temp, bone->parent->arm_mat);
temp[3][0] = temp[3][1] = temp[3][2] = 0.0f;
mul_m4_m4m4(mat, temp, mat);
}
}
}
else {
calc_ob_mat_at_time(ob, ctime, mat);
}
UnitConverter converter;
double outmat[4][4];
converter.mat4_to_dae_double(outmat, mat);
source.appendValues(outmat);
j++;
BIK_release_tree(scene, ob, ctime);
}
if (ob->adt) {
enable_fcurves(ob->adt->action, NULL);
}
source.finish();
return source_id;
}
