void AnimationExporter::sample_animation(float *v, std::vector<float> &frames, int type, Bone *bone, Object *ob_arm, bPoseChannel *pchan) { bPoseChannel *parchan = NULL; bPose *pose = ob_arm->pose; pchan = BKE_pose_channel_find_name(pose, bone->name); if (!pchan) return; parchan = pchan->parent; enable_fcurves(ob_arm->adt->action, bone->name); std::vector<float>::iterator it; 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); BKE_animsys_evaluate_animdata(scene, &ob_arm->id, ob_arm->adt, ctime, ADT_RECALC_ANIM); BKE_pose_where_is_bone(scene, ob_arm, pchan, ctime, 1); // compute bone local mat if (bone->parent) { invert_m4_m4(ipar, parchan->pose_mat); mult_m4_m4m4(mat, ipar, pchan->pose_mat); } else copy_m4_m4(mat, pchan->pose_mat); switch (type) { case 0: mat4_to_eul(v, mat); break; case 1: mat4_to_size(v, mat); break; case 2: copy_v3_v3(v, mat[3]); break; } v += 3; } enable_fcurves(ob_arm->adt->action, NULL); }
std::string AnimationExporter::create_4x4_source(std::vector<float> &frames, Object *ob_arm, 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; bPose *pose = ob_arm->pose; pchan = BKE_pose_channel_find_name(pose, bone->name); if (!pchan) return ""; parchan = pchan->parent; enable_fcurves(ob_arm->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); BKE_animsys_evaluate_animdata(scene, &ob_arm->id, ob_arm->adt, ctime, ADT_RECALC_ANIM); BKE_pose_where_is_bone(scene, ob_arm, pchan, ctime, 1); // compute bone local mat if (bone->parent) { invert_m4_m4(ipar, parchan->pose_mat); mult_m4_m4m4(mat, ipar, pchan->pose_mat); } else copy_m4_m4(mat, pchan->pose_mat); UnitConverter converter; // SECOND_LIFE_COMPATIBILITY // AFAIK animation to second life is via BVH, but no // reason to not have the collada-animation be correct if (export_settings->second_life) { 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); mult_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; mult_m4_m4m4(mat, temp, mat); } } float outmat[4][4]; converter.mat4_to_dae(outmat, mat); source.appendValues(outmat); j++; } enable_fcurves(ob_arm->adt->action, NULL); source.finish(); return source_id; }
/* This function is needed to cope with fractional frames - including two Blender rendering features * mblur (motion blur that renders 'subframes' and blurs them together), and fields rendering. */ float BKE_scene_frame_get(Scene *scene) { return BKE_scene_frame_get_from_ctime(scene, scene->r.cfra); }