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; }