void SceneExporter::writeNodes(Object *ob, Scene *sce)
{
// Add associated armature first if available
bool armature_exported = false;
Object *ob_arm = bc_get_assigned_armature(ob);
if (ob_arm != NULL) {
armature_exported = bc_is_in_Export_set(this->export_settings->export_set, ob_arm);
if (armature_exported && bc_is_marked(ob_arm)) {
bc_remove_mark(ob_arm);
writeNodes(ob_arm, sce);
armature_exported = true;
}
}
COLLADASW::Node colladaNode(mSW);
colladaNode.setNodeId(translate_id(id_name(ob)));
colladaNode.setNodeName(translate_id(id_name(ob)));
colladaNode.setType(COLLADASW::Node::NODE);
colladaNode.start();
std::list<Object *> child_objects;
// list child objects
LinkNode *node;
for (node=this->export_settings->export_set; node; node=node->next) {
// cob - child object
Object *cob = (Object *)node->link;
if (cob->parent == ob) {
switch (cob->type) {
case OB_MESH:
case OB_CAMERA:
case OB_LAMP:
case OB_EMPTY:
case OB_ARMATURE:
if (bc_is_marked(cob))
child_objects.push_back(cob);
break;
}
}
}
if (ob->type == OB_MESH && armature_exported)
// for skinned mesh we write obmat in <bind_shape_matrix>
TransformWriter::add_node_transform_identity(colladaNode);
else
TransformWriter::add_node_transform_ob(colladaNode, ob);
// <instance_geometry>
if (ob->type == OB_MESH) {
bool instance_controller_created = false;
if (armature_exported) {
instance_controller_created = arm_exporter->add_instance_controller(ob);
}
if (!instance_controller_created) {
COLLADASW::InstanceGeometry instGeom(mSW);
instGeom.setUrl(COLLADASW::URI(COLLADABU::Utils::EMPTY_STRING, get_geometry_id(ob, this->export_settings->use_object_instantiation)));
InstanceWriter::add_material_bindings(instGeom.getBindMaterial(), ob, this->export_settings->active_uv_only);
instGeom.add();
}
}
// <instance_controller>
else if (ob->type == OB_ARMATURE) {
arm_exporter->add_armature_bones(ob, sce, this, child_objects);
}
// <instance_camera>
else if (ob->type == OB_CAMERA) {
COLLADASW::InstanceCamera instCam(mSW, COLLADASW::URI(COLLADABU::Utils::EMPTY_STRING, get_camera_id(ob)));
instCam.add();
}
// <instance_light>
else if (ob->type == OB_LAMP) {
COLLADASW::InstanceLight instLa(mSW, COLLADASW::URI(COLLADABU::Utils::EMPTY_STRING, get_light_id(ob)));
instLa.add();
}
// empty object
else if (ob->type == OB_EMPTY) { // TODO: handle groups (OB_DUPLIGROUP
if ((ob->transflag & OB_DUPLIGROUP) == OB_DUPLIGROUP && ob->dup_group) {
GroupObject *go = NULL;
Group *gr = ob->dup_group;
/* printf("group detected '%s'\n", gr->id.name+2); */
for (go = (GroupObject *)(gr->gobject.first); go; go = go->next) {
printf("\t%s\n", go->ob->id.name);
}
}
}
if (ob->type == OB_ARMATURE) {
colladaNode.end();
}
for (std::list<Object *>::iterator i = child_objects.begin(); i != child_objects.end(); ++i) {
if (bc_is_marked(*i)) {
bc_remove_mark(*i);
writeNodes(*i, sce);
}
}
if (ob->type != OB_ARMATURE) {
colladaNode.end();
}
}
//convert f-curves to animation curves and write
void AnimationExporter::dae_animation(Object* ob, FCurve *fcu, char* transformName , bool is_param, Material * ma )
{
const char *axis_name = NULL;
char anim_id[200];
bool has_tangents = false;
bool quatRotation = false;
if ( !strcmp(transformName, "rotation_quaternion") )
{
fprintf(stderr, "quaternion rotation curves are not supported. rotation curve will not be exported\n");
quatRotation = true;
return;
}
//axis names for colors
else if ( !strcmp(transformName, "color")||!strcmp(transformName, "specular_color")||!strcmp(transformName, "diffuse_color")||
(!strcmp(transformName, "alpha")))
{
const char *axis_names[] = {"R", "G", "B"};
if (fcu->array_index < 3)
axis_name = axis_names[fcu->array_index];
}
//axis names for transforms
else if ((!strcmp(transformName, "location") || !strcmp(transformName, "scale")) ||
(!strcmp(transformName, "rotation_euler"))||(!strcmp(transformName, "rotation_quaternion")))
{
const char *axis_names[] = {"X", "Y", "Z"};
if (fcu->array_index < 3)
axis_name = axis_names[fcu->array_index];
}
//no axis name. single parameter.
else{
axis_name = "";
}
std::string ob_name = std::string("null");
//Create anim Id
if (ob->type == OB_ARMATURE)
{
ob_name = getObjectBoneName( ob , fcu);
BLI_snprintf(anim_id, sizeof(anim_id), "%s_%s.%s", (char*)translate_id(ob_name).c_str(),
transformName, axis_name);
}
else
{
if (ma)
ob_name = id_name(ob) + "_material";
else
ob_name = id_name(ob);
BLI_snprintf(anim_id, sizeof(anim_id), "%s_%s_%s", (char*)translate_id(ob_name).c_str(),
fcu->rna_path, axis_name);
}
openAnimation(anim_id, COLLADABU::Utils::EMPTY_STRING);
// create input source
std::string input_id = create_source_from_fcurve(COLLADASW::InputSemantic::INPUT, fcu, anim_id, axis_name);
// create output source
std::string output_id ;
//quat rotations are skipped for now, because of complications with determining axis.
if(quatRotation)
{
float * eul = get_eul_source_for_quat(ob);
float * eul_axis = (float*)MEM_callocN(sizeof(float) * fcu->totvert, "quat output source values");
for ( int i = 0 ; i< fcu->totvert ; i++)
eul_axis[i] = eul[i*3 + fcu->array_index];
output_id= create_source_from_array(COLLADASW::InputSemantic::OUTPUT, eul_axis , fcu->totvert, quatRotation, anim_id, axis_name);
MEM_freeN(eul);
MEM_freeN(eul_axis);
}
else
{
output_id= create_source_from_fcurve(COLLADASW::InputSemantic::OUTPUT, fcu, anim_id, axis_name);
}
// create interpolations source
std::string interpolation_id = create_interpolation_source(fcu, anim_id, axis_name, &has_tangents);
// handle tangents (if required)
std::string intangent_id;
std::string outtangent_id;
if (has_tangents) {
// create in_tangent source
intangent_id = create_source_from_fcurve(COLLADASW::InputSemantic::IN_TANGENT, fcu, anim_id, axis_name);
// create out_tangent source
outtangent_id = create_source_from_fcurve(COLLADASW::InputSemantic::OUT_TANGENT, fcu, anim_id, axis_name);
}
std::string sampler_id = std::string(anim_id) + SAMPLER_ID_SUFFIX;
COLLADASW::LibraryAnimations::Sampler sampler(sw, sampler_id);
std::string empty;
sampler.addInput(COLLADASW::InputSemantic::INPUT, COLLADABU::URI(empty, input_id));
sampler.addInput(COLLADASW::InputSemantic::OUTPUT, COLLADABU::URI(empty, output_id));
// this input is required
sampler.addInput(COLLADASW::InputSemantic::INTERPOLATION, COLLADABU::URI(empty, interpolation_id));
if (has_tangents) {
sampler.addInput(COLLADASW::InputSemantic::IN_TANGENT, COLLADABU::URI(empty, intangent_id));
sampler.addInput(COLLADASW::InputSemantic::OUT_TANGENT, COLLADABU::URI(empty, outtangent_id));
}
addSampler(sampler);
std::string target ;
if ( !is_param )
target = translate_id(ob_name)
+ "/" + get_transform_sid(fcu->rna_path, -1, axis_name, true);
else
{
if ( ob->type == OB_LAMP )
target = get_light_id(ob)
+ "/" + get_light_param_sid(fcu->rna_path, -1, axis_name, true);
if ( ob->type == OB_CAMERA )
target = get_camera_id(ob)
+ "/" + get_camera_param_sid(fcu->rna_path, -1, axis_name, true);
if( ma )
target = translate_id(id_name(ma)) + "-effect"
+"/common/" /*profile common is only supported */ + get_transform_sid(fcu->rna_path, -1, axis_name, true);
}
addChannel(COLLADABU::URI(empty, sampler_id), target);
closeAnimation();
}