1162 lines
32 KiB
C++
1162 lines
32 KiB
C++
/*
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor(s): Chingiz Dyussenov, Arystanbek Dyussenov, Nathan Letwory.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/collada/AnimationImporter.cpp
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* \ingroup collada
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*/
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#include <stddef.h>
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/* COLLADABU_ASSERT, may be able to remove later */
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#include "COLLADABUPlatform.h"
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#include "DNA_armature_types.h"
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#include "ED_keyframing.h"
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#include "BLI_listbase.h"
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#include "BLI_math.h"
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#include "BLI_path_util.h"
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#include "BLI_string.h"
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#include "BKE_action.h"
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#include "BKE_armature.h"
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#include "BKE_fcurve.h"
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#include "BKE_object.h"
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#include "MEM_guardedalloc.h"
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#include "collada_utils.h"
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#include "AnimationImporter.h"
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#include "ArmatureImporter.h"
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#include <algorithm>
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// use this for retrieving bone names, since these must be unique
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template<class T>
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static const char *bc_get_joint_name(T *node)
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{
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const std::string& id = node->getOriginalId();
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return id.size() ? id.c_str() : node->getName().c_str();
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}
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FCurve *AnimationImporter::create_fcurve(int array_index, const char *rna_path)
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{
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FCurve *fcu = (FCurve*)MEM_callocN(sizeof(FCurve), "FCurve");
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fcu->flag = (FCURVE_VISIBLE|FCURVE_AUTO_HANDLES|FCURVE_SELECTED);
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fcu->rna_path = BLI_strdupn(rna_path, strlen(rna_path));
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fcu->array_index = array_index;
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return fcu;
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}
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void AnimationImporter::create_bezt(FCurve *fcu, float frame, float output)
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{
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BezTriple bez;
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memset(&bez, 0, sizeof(BezTriple));
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bez.vec[1][0] = frame;
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bez.vec[1][1] = output;
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bez.ipo = U.ipo_new; /* use default interpolation mode here... */
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bez.f1 = bez.f2 = bez.f3 = SELECT;
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bez.h1 = bez.h2 = HD_AUTO;
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insert_bezt_fcurve(fcu, &bez, 0);
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calchandles_fcurve(fcu);
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}
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// create one or several fcurves depending on the number of parameters being animated
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void AnimationImporter::animation_to_fcurves(COLLADAFW::AnimationCurve *curve)
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{
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COLLADAFW::FloatOrDoubleArray& input = curve->getInputValues();
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COLLADAFW::FloatOrDoubleArray& output = curve->getOutputValues();
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// COLLADAFW::FloatOrDoubleArray& intan = curve->getInTangentValues();
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// COLLADAFW::FloatOrDoubleArray& outtan = curve->getOutTangentValues();
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float fps = (float)FPS;
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size_t dim = curve->getOutDimension();
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unsigned int i;
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std::vector<FCurve*>& fcurves = curve_map[curve->getUniqueId()];
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switch (dim) {
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case 1: // X, Y, Z or angle
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case 3: // XYZ
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case 16: // matrix
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{
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for (i = 0; i < dim; i++ ) {
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FCurve *fcu = (FCurve*)MEM_callocN(sizeof(FCurve), "FCurve");
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fcu->flag = (FCURVE_VISIBLE|FCURVE_AUTO_HANDLES|FCURVE_SELECTED);
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// fcu->rna_path = BLI_strdupn(path, strlen(path));
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fcu->array_index = 0;
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//fcu->totvert = curve->getKeyCount();
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// create beztriple for each key
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for (unsigned int j = 0; j < curve->getKeyCount(); j++) {
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BezTriple bez;
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memset(&bez, 0, sizeof(BezTriple));
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// intangent
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// bez.vec[0][0] = get_float_value(intan, j * 6 + i + i) * fps;
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// bez.vec[0][1] = get_float_value(intan, j * 6 + i + i + 1);
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// input, output
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bez.vec[1][0] = bc_get_float_value(input, j) * fps;
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bez.vec[1][1] = bc_get_float_value(output, j * dim + i);
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// outtangent
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// bez.vec[2][0] = get_float_value(outtan, j * 6 + i + i) * fps;
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// bez.vec[2][1] = get_float_value(outtan, j * 6 + i + i + 1);
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bez.ipo = U.ipo_new; /* use default interpolation mode here... */
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bez.f1 = bez.f2 = bez.f3 = SELECT;
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bez.h1 = bez.h2 = HD_AUTO;
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insert_bezt_fcurve(fcu, &bez, 0);
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}
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calchandles_fcurve(fcu);
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fcurves.push_back(fcu);
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}
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}
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break;
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default:
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fprintf(stderr, "Output dimension of %d is not yet supported (animation id = %s)\n", (int)dim, curve->getOriginalId().c_str());
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}
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for (std::vector<FCurve*>::iterator it = fcurves.begin(); it != fcurves.end(); it++)
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unused_curves.push_back(*it);
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}
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void AnimationImporter::fcurve_deg_to_rad(FCurve *cu)
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{
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for (unsigned int i = 0; i < cu->totvert; i++) {
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// TODO convert handles too
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cu->bezt[i].vec[1][1] *= M_PI / 180.0f;
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}
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}
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void AnimationImporter::add_fcurves_to_object(Object *ob, std::vector<FCurve*>& curves, char *rna_path, int array_index, Animation *animated)
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{
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bAction *act;
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if (!ob->adt || !ob->adt->action) act = verify_adt_action((ID*)&ob->id, 1);
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else act = ob->adt->action;
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std::vector<FCurve*>::iterator it;
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int i;
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#if 0
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char *p = strstr(rna_path, "rotation_euler");
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bool is_rotation = p && *(p + strlen("rotation_euler")) == '\0';
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// convert degrees to radians for rotation
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if (is_rotation)
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fcurve_deg_to_rad(fcu);
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#endif
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for (it = curves.begin(), i = 0; it != curves.end(); it++, i++) {
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FCurve *fcu = *it;
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fcu->rna_path = BLI_strdupn(rna_path, strlen(rna_path));
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if (array_index == -1) fcu->array_index = i;
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else fcu->array_index = array_index;
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if (ob->type == OB_ARMATURE) {
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bActionGroup *grp = NULL;
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const char *bone_name = bc_get_joint_name(animated->node);
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if (bone_name) {
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/* try to find group */
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grp = action_groups_find_named(act, bone_name);
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/* no matching groups, so add one */
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if (grp == NULL) {
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/* Add a new group, and make it active */
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grp = (bActionGroup*)MEM_callocN(sizeof(bActionGroup), "bActionGroup");
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grp->flag = AGRP_SELECTED;
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BLI_strncpy(grp->name, bone_name, sizeof(grp->name));
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BLI_addtail(&act->groups, grp);
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BLI_uniquename(&act->groups, grp, "Group", '.', offsetof(bActionGroup, name), 64);
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}
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/* add F-Curve to group */
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action_groups_add_channel(act, grp, fcu);
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}
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#if 0
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if (is_rotation) {
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fcurves_actionGroup_map[grp].push_back(fcu);
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}
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#endif
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}
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else {
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BLI_addtail(&act->curves, fcu);
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}
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// curve is used, so remove it from unused_curves
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unused_curves.erase(std::remove(unused_curves.begin(), unused_curves.end(), fcu), unused_curves.end());
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}
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}
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AnimationImporter::AnimationImporter(UnitConverter *conv, ArmatureImporter *arm, Scene *scene) :
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TransformReader(conv), armature_importer(arm), scene(scene) { }
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AnimationImporter::~AnimationImporter()
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{
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// free unused FCurves
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for (std::vector<FCurve*>::iterator it = unused_curves.begin(); it != unused_curves.end(); it++)
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free_fcurve(*it);
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if (unused_curves.size())
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fprintf(stderr, "removed %d unused curves\n", (int)unused_curves.size());
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}
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bool AnimationImporter::write_animation(const COLLADAFW::Animation* anim)
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{
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if (anim->getAnimationType() == COLLADAFW::Animation::ANIMATION_CURVE) {
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COLLADAFW::AnimationCurve *curve = (COLLADAFW::AnimationCurve*)anim;
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// XXX Don't know if it's necessary
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// Should we check outPhysicalDimension?
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if (curve->getInPhysicalDimension() != COLLADAFW::PHYSICAL_DIMENSION_TIME) {
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fprintf(stderr, "Inputs physical dimension is not time. \n");
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return true;
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}
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// a curve can have mixed interpolation type,
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// in this case curve->getInterpolationTypes returns a list of interpolation types per key
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COLLADAFW::AnimationCurve::InterpolationType interp = curve->getInterpolationType();
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if (interp != COLLADAFW::AnimationCurve::INTERPOLATION_MIXED) {
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switch (interp) {
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case COLLADAFW::AnimationCurve::INTERPOLATION_LINEAR:
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case COLLADAFW::AnimationCurve::INTERPOLATION_BEZIER:
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animation_to_fcurves(curve);
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break;
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default:
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// TODO there're also CARDINAL, HERMITE, BSPLINE and STEP types
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fprintf(stderr, "CARDINAL, HERMITE, BSPLINE and STEP anim interpolation types not supported yet.\n");
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break;
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}
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}
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else {
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// not supported yet
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fprintf(stderr, "MIXED anim interpolation type is not supported yet.\n");
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}
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}
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else {
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fprintf(stderr, "FORMULA animation type is not supported yet.\n");
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}
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return true;
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}
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// called on post-process stage after writeVisualScenes
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bool AnimationImporter::write_animation_list(const COLLADAFW::AnimationList* animlist)
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{
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const COLLADAFW::UniqueId& animlist_id = animlist->getUniqueId();
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animlist_map[animlist_id] = animlist;
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#if 0
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// should not happen
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if (uid_animated_map.find(animlist_id) == uid_animated_map.end()) {
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return true;
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}
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// for bones rna_path is like: pose.bones["bone-name"].rotation
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// what does this AnimationList animate?
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Animation& animated = uid_animated_map[animlist_id];
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Object *ob = animated.ob;
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char rna_path[100];
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char joint_path[100];
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bool is_joint = false;
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// if ob is NULL, it should be a JOINT
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if (!ob) {
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ob = armature_importer->get_armature_for_joint(animated.node);
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if (!ob) {
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fprintf(stderr, "Cannot find armature for node %s\n", get_joint_name(animated.node));
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return true;
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}
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armature_importer->get_rna_path_for_joint(animated.node, joint_path, sizeof(joint_path));
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is_joint = true;
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}
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const COLLADAFW::AnimationList::AnimationBindings& bindings = animlist->getAnimationBindings();
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switch (animated.tm->getTransformationType()) {
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case COLLADAFW::Transformation::TRANSLATE:
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case COLLADAFW::Transformation::SCALE:
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{
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bool loc = animated.tm->getTransformationType() == COLLADAFW::Transformation::TRANSLATE;
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if (is_joint)
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BLI_snprintf(rna_path, sizeof(rna_path), "%s.%s", joint_path, loc ? "location" : "scale");
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else
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BLI_strncpy(rna_path, loc ? "location" : "scale", sizeof(rna_path));
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for (int i = 0; i < bindings.getCount(); i++) {
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const COLLADAFW::AnimationList::AnimationBinding& binding = bindings[i];
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COLLADAFW::UniqueId anim_uid = binding.animation;
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if (curve_map.find(anim_uid) == curve_map.end()) {
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fprintf(stderr, "Cannot find FCurve by animation UID.\n");
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continue;
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}
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std::vector<FCurve*>& fcurves = curve_map[anim_uid];
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switch (binding.animationClass) {
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case COLLADAFW::AnimationList::POSITION_X:
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add_fcurves_to_object(ob, fcurves, rna_path, 0, &animated);
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break;
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case COLLADAFW::AnimationList::POSITION_Y:
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add_fcurves_to_object(ob, fcurves, rna_path, 1, &animated);
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break;
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case COLLADAFW::AnimationList::POSITION_Z:
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add_fcurves_to_object(ob, fcurves, rna_path, 2, &animated);
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break;
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case COLLADAFW::AnimationList::POSITION_XYZ:
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add_fcurves_to_object(ob, fcurves, rna_path, -1, &animated);
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break;
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default:
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fprintf(stderr, "AnimationClass %d is not supported for %s.\n",
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binding.animationClass, loc ? "TRANSLATE" : "SCALE");
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}
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}
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}
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break;
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case COLLADAFW::Transformation::ROTATE:
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{
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if (is_joint)
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BLI_snprintf(rna_path, sizeof(rna_path), "%s.rotation_euler", joint_path);
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else
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BLI_strncpy(rna_path, "rotation_euler", sizeof(rna_path));
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COLLADAFW::Rotate* rot = (COLLADAFW::Rotate*)animated.tm;
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COLLADABU::Math::Vector3& axis = rot->getRotationAxis();
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for (int i = 0; i < bindings.getCount(); i++) {
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const COLLADAFW::AnimationList::AnimationBinding& binding = bindings[i];
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COLLADAFW::UniqueId anim_uid = binding.animation;
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if (curve_map.find(anim_uid) == curve_map.end()) {
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fprintf(stderr, "Cannot find FCurve by animation UID.\n");
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continue;
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}
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std::vector<FCurve*>& fcurves = curve_map[anim_uid];
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switch (binding.animationClass) {
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case COLLADAFW::AnimationList::ANGLE:
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if (COLLADABU::Math::Vector3::UNIT_X == axis) {
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add_fcurves_to_object(ob, fcurves, rna_path, 0, &animated);
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}
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else if (COLLADABU::Math::Vector3::UNIT_Y == axis) {
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add_fcurves_to_object(ob, fcurves, rna_path, 1, &animated);
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}
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else if (COLLADABU::Math::Vector3::UNIT_Z == axis) {
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add_fcurves_to_object(ob, fcurves, rna_path, 2, &animated);
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}
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break;
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case COLLADAFW::AnimationList::AXISANGLE:
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// TODO convert axis-angle to quat? or XYZ?
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default:
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fprintf(stderr, "AnimationClass %d is not supported for ROTATE transformation.\n",
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binding.animationClass);
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}
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}
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}
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break;
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case COLLADAFW::Transformation::MATRIX:
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case COLLADAFW::Transformation::SKEW:
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case COLLADAFW::Transformation::LOOKAT:
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fprintf(stderr, "Animation of MATRIX, SKEW and LOOKAT transformations is not supported yet.\n");
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break;
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}
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#endif
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return true;
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}
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// \todo refactor read_node_transform to not automatically apply anything,
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// but rather return the transform matrix, so caller can do with it what is
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// necessary. Same for \ref get_node_mat
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void AnimationImporter::read_node_transform(COLLADAFW::Node *node, Object *ob)
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{
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float mat[4][4];
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TransformReader::get_node_mat(mat, node, &uid_animated_map, ob);
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if (ob) {
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copy_m4_m4(ob->obmat, mat);
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object_apply_mat4(ob, ob->obmat, 0, 0);
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}
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}
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#if 0
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virtual void AnimationImporter::change_eul_to_quat(Object *ob, bAction *act)
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{
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bActionGroup *grp;
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int i;
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for (grp = (bActionGroup*)act->groups.first; grp; grp = grp->next) {
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FCurve *eulcu[3] = {NULL, NULL, NULL};
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if (fcurves_actionGroup_map.find(grp) == fcurves_actionGroup_map.end())
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continue;
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std::vector<FCurve*> &rot_fcurves = fcurves_actionGroup_map[grp];
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if (rot_fcurves.size() > 3) continue;
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for (i = 0; i < rot_fcurves.size(); i++)
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eulcu[rot_fcurves[i]->array_index] = rot_fcurves[i];
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char joint_path[100];
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char rna_path[100];
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BLI_snprintf(joint_path, sizeof(joint_path), "pose.bones[\"%s\"]", grp->name);
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BLI_snprintf(rna_path, sizeof(rna_path), "%s.rotation_quaternion", joint_path);
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FCurve *quatcu[4] = {
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create_fcurve(0, rna_path),
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create_fcurve(1, rna_path),
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create_fcurve(2, rna_path),
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create_fcurve(3, rna_path)
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};
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bPoseChannel *chan = get_pose_channel(ob->pose, grp->name);
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float m4[4][4], irest[3][3];
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invert_m4_m4(m4, chan->bone->arm_mat);
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copy_m3_m4(irest, m4);
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for (i = 0; i < 3; i++) {
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FCurve *cu = eulcu[i];
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|
if (!cu) continue;
|
|
|
|
for (int j = 0; j < cu->totvert; j++) {
|
|
float frame = cu->bezt[j].vec[1][0];
|
|
|
|
float eul[3] = {
|
|
eulcu[0] ? evaluate_fcurve(eulcu[0], frame) : 0.0f,
|
|
eulcu[1] ? evaluate_fcurve(eulcu[1], frame) : 0.0f,
|
|
eulcu[2] ? evaluate_fcurve(eulcu[2], frame) : 0.0f
|
|
};
|
|
|
|
// make eul relative to bone rest pose
|
|
float rot[3][3], rel[3][3], quat[4];
|
|
|
|
/*eul_to_mat3(rot, eul);
|
|
|
|
mul_m3_m3m3(rel, irest, rot);
|
|
|
|
mat3_to_quat(quat, rel);
|
|
*/
|
|
|
|
eul_to_quat(quat, eul);
|
|
|
|
for (int k = 0; k < 4; k++)
|
|
create_bezt(quatcu[k], frame, quat[k]);
|
|
}
|
|
}
|
|
|
|
// now replace old Euler curves
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
if (!eulcu[i]) continue;
|
|
|
|
action_groups_remove_channel(act, eulcu[i]);
|
|
free_fcurve(eulcu[i]);
|
|
}
|
|
|
|
chan->rotmode = ROT_MODE_QUAT;
|
|
|
|
for (i = 0; i < 4; i++)
|
|
action_groups_add_channel(act, grp, quatcu[i]);
|
|
}
|
|
|
|
bPoseChannel *pchan;
|
|
for (pchan = (bPoseChannel*)ob->pose->chanbase.first; pchan; pchan = pchan->next) {
|
|
pchan->rotmode = ROT_MODE_QUAT;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// prerequisites:
|
|
// animlist_map - map animlist id -> animlist
|
|
// curve_map - map anim id -> curve(s)
|
|
Object *AnimationImporter::translate_animation(COLLADAFW::Node *node,
|
|
std::map<COLLADAFW::UniqueId, Object*>& object_map,
|
|
std::map<COLLADAFW::UniqueId, COLLADAFW::Node*>& root_map,
|
|
COLLADAFW::Transformation::TransformationType tm_type,
|
|
Object *par_job)
|
|
{
|
|
bool is_rotation = tm_type == COLLADAFW::Transformation::ROTATE;
|
|
bool is_matrix = tm_type == COLLADAFW::Transformation::MATRIX;
|
|
bool is_joint = node->getType() == COLLADAFW::Node::JOINT;
|
|
|
|
COLLADAFW::Node *root = root_map.find(node->getUniqueId()) == root_map.end() ? node : root_map[node->getUniqueId()];
|
|
Object *ob = is_joint ? armature_importer->get_armature_for_joint(node) : object_map[node->getUniqueId()];
|
|
const char *bone_name = is_joint ? bc_get_joint_name(node) : NULL;
|
|
|
|
if (!ob) {
|
|
fprintf(stderr, "cannot find Object for Node with id=\"%s\"\n", node->getOriginalId().c_str());
|
|
return NULL;
|
|
}
|
|
|
|
// frames at which to sample
|
|
std::vector<float> frames;
|
|
|
|
// for each <rotate>, <translate>, etc. there is a separate Transformation
|
|
const COLLADAFW::TransformationPointerArray& tms = node->getTransformations();
|
|
|
|
unsigned int i;
|
|
|
|
// find frames at which to sample plus convert all rotation keys to radians
|
|
for (i = 0; i < tms.getCount(); i++) {
|
|
COLLADAFW::Transformation *tm = tms[i];
|
|
COLLADAFW::Transformation::TransformationType type = tm->getTransformationType();
|
|
|
|
if (type == tm_type) {
|
|
const COLLADAFW::UniqueId& listid = tm->getAnimationList();
|
|
|
|
if (animlist_map.find(listid) != animlist_map.end()) {
|
|
const COLLADAFW::AnimationList *animlist = animlist_map[listid];
|
|
const COLLADAFW::AnimationList::AnimationBindings& bindings = animlist->getAnimationBindings();
|
|
|
|
if (bindings.getCount()) {
|
|
for (unsigned int j = 0; j < bindings.getCount(); j++) {
|
|
std::vector<FCurve*>& curves = curve_map[bindings[j].animation];
|
|
bool xyz = ((type == COLLADAFW::Transformation::TRANSLATE || type == COLLADAFW::Transformation::SCALE) && bindings[j].animationClass == COLLADAFW::AnimationList::POSITION_XYZ);
|
|
|
|
if ((!xyz && curves.size() == 1) || (xyz && curves.size() == 3) || is_matrix) {
|
|
std::vector<FCurve*>::iterator iter;
|
|
|
|
for (iter = curves.begin(); iter != curves.end(); iter++) {
|
|
FCurve *fcu = *iter;
|
|
|
|
if (is_rotation)
|
|
fcurve_deg_to_rad(fcu);
|
|
|
|
for (unsigned int k = 0; k < fcu->totvert; k++) {
|
|
float fra = fcu->bezt[k].vec[1][0];
|
|
if (std::find(frames.begin(), frames.end(), fra) == frames.end())
|
|
frames.push_back(fra);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
fprintf(stderr, "expected %d curves, got %d\n", xyz ? 3 : 1, (int)curves.size());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
float irest_dae[4][4];
|
|
float rest[4][4], irest[4][4];
|
|
|
|
if (is_joint) {
|
|
get_joint_rest_mat(irest_dae, root, node);
|
|
invert_m4(irest_dae);
|
|
|
|
Bone *bone = get_named_bone((bArmature*)ob->data, bone_name);
|
|
if (!bone) {
|
|
fprintf(stderr, "cannot find bone \"%s\"\n", bone_name);
|
|
return NULL;
|
|
}
|
|
|
|
unit_m4(rest);
|
|
copy_m4_m4(rest, bone->arm_mat);
|
|
invert_m4_m4(irest, rest);
|
|
}
|
|
|
|
Object *job = NULL;
|
|
|
|
#ifdef ARMATURE_TEST
|
|
FCurve *job_curves[10];
|
|
job = get_joint_object(root, node, par_job);
|
|
#endif
|
|
|
|
if (frames.size() == 0)
|
|
return job;
|
|
|
|
std::sort(frames.begin(), frames.end());
|
|
|
|
const char *tm_str = NULL;
|
|
switch (tm_type) {
|
|
case COLLADAFW::Transformation::ROTATE:
|
|
tm_str = "rotation_quaternion";
|
|
break;
|
|
case COLLADAFW::Transformation::SCALE:
|
|
tm_str = "scale";
|
|
break;
|
|
case COLLADAFW::Transformation::TRANSLATE:
|
|
tm_str = "location";
|
|
break;
|
|
case COLLADAFW::Transformation::MATRIX:
|
|
break;
|
|
default:
|
|
return job;
|
|
}
|
|
|
|
char rna_path[200];
|
|
char joint_path[200];
|
|
|
|
if (is_joint)
|
|
armature_importer->get_rna_path_for_joint(node, joint_path, sizeof(joint_path));
|
|
|
|
// new curves
|
|
FCurve *newcu[10]; // if tm_type is matrix, then create 10 curves: 4 rot, 3 loc, 3 scale
|
|
unsigned int totcu = is_matrix ? 10 : (is_rotation ? 4 : 3);
|
|
|
|
for (i = 0; i < totcu; i++) {
|
|
|
|
int axis = i;
|
|
|
|
if (is_matrix) {
|
|
if (i < 4) {
|
|
tm_str = "rotation_quaternion";
|
|
axis = i;
|
|
}
|
|
else if (i < 7) {
|
|
tm_str = "location";
|
|
axis = i - 4;
|
|
}
|
|
else {
|
|
tm_str = "scale";
|
|
axis = i - 7;
|
|
}
|
|
}
|
|
|
|
if (is_joint)
|
|
BLI_snprintf(rna_path, sizeof(rna_path), "%s.%s", joint_path, tm_str);
|
|
else
|
|
strcpy(rna_path, tm_str);
|
|
|
|
newcu[i] = create_fcurve(axis, rna_path);
|
|
|
|
#ifdef ARMATURE_TEST
|
|
if (is_joint)
|
|
job_curves[i] = create_fcurve(axis, tm_str);
|
|
#endif
|
|
}
|
|
|
|
std::vector<float>::iterator it;
|
|
|
|
// sample values at each frame
|
|
for (it = frames.begin(); it != frames.end(); it++) {
|
|
float fra = *it;
|
|
|
|
float mat[4][4];
|
|
float matfra[4][4];
|
|
|
|
unit_m4(matfra);
|
|
|
|
// calc object-space mat
|
|
evaluate_transform_at_frame(matfra, node, fra);
|
|
|
|
// for joints, we need a special matrix
|
|
if (is_joint) {
|
|
// special matrix: iR * M * iR_dae * R
|
|
// where R, iR are bone rest and inverse rest mats in world space (Blender bones),
|
|
// iR_dae is joint inverse rest matrix (DAE) and M is an evaluated joint world-space matrix (DAE)
|
|
float temp[4][4], par[4][4];
|
|
|
|
// calc M
|
|
calc_joint_parent_mat_rest(par, NULL, root, node);
|
|
mul_m4_m4m4(temp, matfra, par);
|
|
|
|
// evaluate_joint_world_transform_at_frame(temp, NULL, , node, fra);
|
|
|
|
// calc special matrix
|
|
mul_serie_m4(mat, irest, temp, irest_dae, rest, NULL, NULL, NULL, NULL);
|
|
}
|
|
else {
|
|
copy_m4_m4(mat, matfra);
|
|
}
|
|
|
|
float val[4], rot[4], loc[3], scale[3];
|
|
|
|
switch (tm_type) {
|
|
case COLLADAFW::Transformation::ROTATE:
|
|
mat4_to_quat(val, mat);
|
|
break;
|
|
case COLLADAFW::Transformation::SCALE:
|
|
mat4_to_size(val, mat);
|
|
break;
|
|
case COLLADAFW::Transformation::TRANSLATE:
|
|
copy_v3_v3(val, mat[3]);
|
|
break;
|
|
case COLLADAFW::Transformation::MATRIX:
|
|
mat4_to_quat(rot, mat);
|
|
copy_v3_v3(loc, mat[3]);
|
|
mat4_to_size(scale, mat);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// add keys
|
|
for (i = 0; i < totcu; i++) {
|
|
if (is_matrix) {
|
|
if (i < 4)
|
|
add_bezt(newcu[i], fra, rot[i]);
|
|
else if (i < 7)
|
|
add_bezt(newcu[i], fra, loc[i - 4]);
|
|
else
|
|
add_bezt(newcu[i], fra, scale[i - 7]);
|
|
}
|
|
else {
|
|
add_bezt(newcu[i], fra, val[i]);
|
|
}
|
|
}
|
|
|
|
#ifdef ARMATURE_TEST
|
|
if (is_joint) {
|
|
switch (tm_type) {
|
|
case COLLADAFW::Transformation::ROTATE:
|
|
mat4_to_quat(val, matfra);
|
|
break;
|
|
case COLLADAFW::Transformation::SCALE:
|
|
mat4_to_size(val, matfra);
|
|
break;
|
|
case COLLADAFW::Transformation::TRANSLATE:
|
|
copy_v3_v3(val, matfra[3]);
|
|
break;
|
|
case MATRIX:
|
|
mat4_to_quat(rot, matfra);
|
|
copy_v3_v3(loc, matfra[3]);
|
|
mat4_to_size(scale, matfra);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
for (i = 0; i < totcu; i++) {
|
|
if (is_matrix) {
|
|
if (i < 4)
|
|
add_bezt(job_curves[i], fra, rot[i]);
|
|
else if (i < 7)
|
|
add_bezt(job_curves[i], fra, loc[i - 4]);
|
|
else
|
|
add_bezt(job_curves[i], fra, scale[i - 7]);
|
|
}
|
|
else {
|
|
add_bezt(job_curves[i], fra, val[i]);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
verify_adt_action((ID*)&ob->id, 1);
|
|
|
|
ListBase *curves = &ob->adt->action->curves;
|
|
|
|
// add curves
|
|
for (i = 0; i < totcu; i++) {
|
|
if (is_joint)
|
|
add_bone_fcurve(ob, node, newcu[i]);
|
|
else
|
|
BLI_addtail(curves, newcu[i]);
|
|
|
|
#ifdef ARMATURE_TEST
|
|
if (is_joint)
|
|
BLI_addtail(&job->adt->action->curves, job_curves[i]);
|
|
#endif
|
|
}
|
|
|
|
if (is_rotation || is_matrix) {
|
|
if (is_joint) {
|
|
bPoseChannel *chan = get_pose_channel(ob->pose, bone_name);
|
|
chan->rotmode = ROT_MODE_QUAT;
|
|
}
|
|
else {
|
|
ob->rotmode = ROT_MODE_QUAT;
|
|
}
|
|
}
|
|
|
|
return job;
|
|
}
|
|
|
|
// internal, better make it private
|
|
// warning: evaluates only rotation
|
|
// prerequisites: animlist_map, curve_map
|
|
void AnimationImporter::evaluate_transform_at_frame(float mat[4][4], COLLADAFW::Node *node, float fra)
|
|
{
|
|
const COLLADAFW::TransformationPointerArray& tms = node->getTransformations();
|
|
|
|
unit_m4(mat);
|
|
|
|
for (unsigned int i = 0; i < tms.getCount(); i++) {
|
|
COLLADAFW::Transformation *tm = tms[i];
|
|
COLLADAFW::Transformation::TransformationType type = tm->getTransformationType();
|
|
float m[4][4];
|
|
|
|
unit_m4(m);
|
|
|
|
if (!evaluate_animation(tm, m, fra, node->getOriginalId().c_str())) {
|
|
switch (type) {
|
|
case COLLADAFW::Transformation::ROTATE:
|
|
dae_rotate_to_mat4(tm, m);
|
|
break;
|
|
case COLLADAFW::Transformation::TRANSLATE:
|
|
dae_translate_to_mat4(tm, m);
|
|
break;
|
|
case COLLADAFW::Transformation::SCALE:
|
|
dae_scale_to_mat4(tm, m);
|
|
break;
|
|
case COLLADAFW::Transformation::MATRIX:
|
|
dae_matrix_to_mat4(tm, m);
|
|
break;
|
|
default:
|
|
fprintf(stderr, "unsupported transformation type %d\n", type);
|
|
}
|
|
}
|
|
|
|
float temp[4][4];
|
|
copy_m4_m4(temp, mat);
|
|
|
|
mul_m4_m4m4(mat, m, temp);
|
|
}
|
|
}
|
|
|
|
// return true to indicate that mat contains a sane value
|
|
bool AnimationImporter::evaluate_animation(COLLADAFW::Transformation *tm, float mat[4][4], float fra, const char *node_id)
|
|
{
|
|
const COLLADAFW::UniqueId& listid = tm->getAnimationList();
|
|
COLLADAFW::Transformation::TransformationType type = tm->getTransformationType();
|
|
|
|
if (type != COLLADAFW::Transformation::ROTATE &&
|
|
type != COLLADAFW::Transformation::SCALE &&
|
|
type != COLLADAFW::Transformation::TRANSLATE &&
|
|
type != COLLADAFW::Transformation::MATRIX) {
|
|
fprintf(stderr, "animation of transformation %d is not supported yet\n", type);
|
|
return false;
|
|
}
|
|
|
|
if (animlist_map.find(listid) == animlist_map.end())
|
|
return false;
|
|
|
|
const COLLADAFW::AnimationList *animlist = animlist_map[listid];
|
|
const COLLADAFW::AnimationList::AnimationBindings& bindings = animlist->getAnimationBindings();
|
|
|
|
if (bindings.getCount()) {
|
|
float vec[3];
|
|
|
|
bool is_scale = (type == COLLADAFW::Transformation::SCALE);
|
|
bool is_translate = (type == COLLADAFW::Transformation::TRANSLATE);
|
|
|
|
if (type == COLLADAFW::Transformation::SCALE)
|
|
dae_scale_to_v3(tm, vec);
|
|
else if (type == COLLADAFW::Transformation::TRANSLATE)
|
|
dae_translate_to_v3(tm, vec);
|
|
|
|
for (unsigned int j = 0; j < bindings.getCount(); j++) {
|
|
const COLLADAFW::AnimationList::AnimationBinding& binding = bindings[j];
|
|
std::vector<FCurve*>& curves = curve_map[binding.animation];
|
|
COLLADAFW::AnimationList::AnimationClass animclass = binding.animationClass;
|
|
char path[100];
|
|
|
|
switch (type) {
|
|
case COLLADAFW::Transformation::ROTATE:
|
|
BLI_snprintf(path, sizeof(path), "%s.rotate (binding %u)", node_id, j);
|
|
break;
|
|
case COLLADAFW::Transformation::SCALE:
|
|
BLI_snprintf(path, sizeof(path), "%s.scale (binding %u)", node_id, j);
|
|
break;
|
|
case COLLADAFW::Transformation::TRANSLATE:
|
|
BLI_snprintf(path, sizeof(path), "%s.translate (binding %u)", node_id, j);
|
|
break;
|
|
case COLLADAFW::Transformation::MATRIX:
|
|
BLI_snprintf(path, sizeof(path), "%s.matrix (binding %u)", node_id, j);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (animclass == COLLADAFW::AnimationList::UNKNOWN_CLASS) {
|
|
fprintf(stderr, "%s: UNKNOWN animation class\n", path);
|
|
continue;
|
|
}
|
|
|
|
if (type == COLLADAFW::Transformation::ROTATE) {
|
|
if (curves.size() != 1) {
|
|
fprintf(stderr, "expected 1 curve, got %d\n", (int)curves.size());
|
|
return false;
|
|
}
|
|
|
|
// TODO support other animclasses
|
|
if (animclass != COLLADAFW::AnimationList::ANGLE) {
|
|
fprintf(stderr, "%s: animation class %d is not supported yet\n", path, animclass);
|
|
return false;
|
|
}
|
|
|
|
COLLADABU::Math::Vector3& axis = ((COLLADAFW::Rotate*)tm)->getRotationAxis();
|
|
float ax[3] = {axis[0], axis[1], axis[2]};
|
|
float angle = evaluate_fcurve(curves[0], fra);
|
|
axis_angle_to_mat4(mat, ax, angle);
|
|
|
|
return true;
|
|
}
|
|
else if (is_scale || is_translate) {
|
|
bool is_xyz = animclass == COLLADAFW::AnimationList::POSITION_XYZ;
|
|
|
|
if ((!is_xyz && curves.size() != 1) || (is_xyz && curves.size() != 3)) {
|
|
if (is_xyz)
|
|
fprintf(stderr, "%s: expected 3 curves, got %d\n", path, (int)curves.size());
|
|
else
|
|
fprintf(stderr, "%s: expected 1 curve, got %d\n", path, (int)curves.size());
|
|
return false;
|
|
}
|
|
|
|
switch (animclass) {
|
|
case COLLADAFW::AnimationList::POSITION_X:
|
|
vec[0] = evaluate_fcurve(curves[0], fra);
|
|
break;
|
|
case COLLADAFW::AnimationList::POSITION_Y:
|
|
vec[1] = evaluate_fcurve(curves[0], fra);
|
|
break;
|
|
case COLLADAFW::AnimationList::POSITION_Z:
|
|
vec[2] = evaluate_fcurve(curves[0], fra);
|
|
break;
|
|
case COLLADAFW::AnimationList::POSITION_XYZ:
|
|
vec[0] = evaluate_fcurve(curves[0], fra);
|
|
vec[1] = evaluate_fcurve(curves[1], fra);
|
|
vec[2] = evaluate_fcurve(curves[2], fra);
|
|
break;
|
|
default:
|
|
fprintf(stderr, "%s: animation class %d is not supported yet\n", path, animclass);
|
|
break;
|
|
}
|
|
}
|
|
else if (type == COLLADAFW::Transformation::MATRIX) {
|
|
// for now, of matrix animation, support only the case when all values are packed into one animation
|
|
if (curves.size() != 16) {
|
|
fprintf(stderr, "%s: expected 16 curves, got %d\n", path, (int)curves.size());
|
|
return false;
|
|
}
|
|
|
|
COLLADABU::Math::Matrix4 matrix;
|
|
int i = 0, j = 0;
|
|
|
|
for (std::vector<FCurve*>::iterator it = curves.begin(); it != curves.end(); it++) {
|
|
matrix.setElement(i, j, evaluate_fcurve(*it, fra));
|
|
j++;
|
|
if (j == 4) {
|
|
i++;
|
|
j = 0;
|
|
}
|
|
}
|
|
|
|
COLLADAFW::Matrix tm(matrix);
|
|
dae_matrix_to_mat4(&tm, mat);
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (is_scale)
|
|
size_to_mat4(mat, vec);
|
|
else
|
|
copy_v3_v3(mat[3], vec);
|
|
|
|
return is_scale || is_translate;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// gives a world-space mat of joint at rest position
|
|
void AnimationImporter::get_joint_rest_mat(float mat[4][4], COLLADAFW::Node *root, COLLADAFW::Node *node)
|
|
{
|
|
// if bind mat is not available,
|
|
// use "current" node transform, i.e. all those tms listed inside <node>
|
|
if (!armature_importer->get_joint_bind_mat(mat, node)) {
|
|
float par[4][4], m[4][4];
|
|
|
|
calc_joint_parent_mat_rest(par, NULL, root, node);
|
|
get_node_mat(m, node, NULL, NULL);
|
|
mul_m4_m4m4(mat, m, par);
|
|
}
|
|
}
|
|
|
|
// gives a world-space mat, end's mat not included
|
|
bool AnimationImporter::calc_joint_parent_mat_rest(float mat[4][4], float par[4][4], COLLADAFW::Node *node, COLLADAFW::Node *end)
|
|
{
|
|
float m[4][4];
|
|
|
|
if (node == end) {
|
|
par ? copy_m4_m4(mat, par) : unit_m4(mat);
|
|
return true;
|
|
}
|
|
|
|
// use bind matrix if available or calc "current" world mat
|
|
if (!armature_importer->get_joint_bind_mat(m, node)) {
|
|
if (par) {
|
|
float temp[4][4];
|
|
get_node_mat(temp, node, NULL, NULL);
|
|
mul_m4_m4m4(m, temp, par);
|
|
}
|
|
else {
|
|
get_node_mat(m, node, NULL, NULL);
|
|
}
|
|
}
|
|
|
|
COLLADAFW::NodePointerArray& children = node->getChildNodes();
|
|
for (unsigned int i = 0; i < children.getCount(); i++) {
|
|
if (calc_joint_parent_mat_rest(mat, m, children[i], end))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
#ifdef ARMATURE_TEST
|
|
Object *AnimationImporter::get_joint_object(COLLADAFW::Node *root, COLLADAFW::Node *node, Object *par_job)
|
|
{
|
|
if (joint_objects.find(node->getUniqueId()) == joint_objects.end()) {
|
|
Object *job = add_object(scene, OB_EMPTY);
|
|
|
|
rename_id((ID*)&job->id, (char*)get_joint_name(node));
|
|
|
|
job->lay = object_in_scene(job, scene)->lay = 2;
|
|
|
|
mul_v3_fl(job->size, 0.5f);
|
|
job->recalc |= OB_RECALC_OB;
|
|
|
|
verify_adt_action((ID*)&job->id, 1);
|
|
|
|
job->rotmode = ROT_MODE_QUAT;
|
|
|
|
float mat[4][4];
|
|
get_joint_rest_mat(mat, root, node);
|
|
|
|
if (par_job) {
|
|
float temp[4][4], ipar[4][4];
|
|
invert_m4_m4(ipar, par_job->obmat);
|
|
copy_m4_m4(temp, mat);
|
|
mul_m4_m4m4(mat, temp, ipar);
|
|
}
|
|
|
|
TransformBase::decompose(mat, job->loc, NULL, job->quat, job->size);
|
|
|
|
if (par_job) {
|
|
job->parent = par_job;
|
|
|
|
par_job->recalc |= OB_RECALC_OB;
|
|
job->parsubstr[0] = 0;
|
|
}
|
|
|
|
where_is_object(scene, job);
|
|
|
|
// after parenting and layer change
|
|
DAG_scene_sort(CTX_data_main(C), scene);
|
|
|
|
joint_objects[node->getUniqueId()] = job;
|
|
}
|
|
|
|
return joint_objects[node->getUniqueId()];
|
|
}
|
|
#endif
|
|
|
|
#if 0
|
|
// recursively evaluates joint tree until end is found, mat then is world-space matrix of end
|
|
// mat must be identity on enter, node must be root
|
|
bool AnimationImporter::evaluate_joint_world_transform_at_frame(float mat[4][4], float par[4][4], COLLADAFW::Node *node, COLLADAFW::Node *end, float fra)
|
|
{
|
|
float m[4][4];
|
|
if (par) {
|
|
float temp[4][4];
|
|
evaluate_transform_at_frame(temp, node, node == end ? fra : 0.0f);
|
|
mul_m4_m4m4(m, temp, par);
|
|
}
|
|
else {
|
|
evaluate_transform_at_frame(m, node, node == end ? fra : 0.0f);
|
|
}
|
|
|
|
if (node == end) {
|
|
copy_m4_m4(mat, m);
|
|
return true;
|
|
}
|
|
else {
|
|
COLLADAFW::NodePointerArray& children = node->getChildNodes();
|
|
for (int i = 0; i < children.getCount(); i++) {
|
|
if (evaluate_joint_world_transform_at_frame(mat, m, children[i], end, fra))
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
void AnimationImporter::add_bone_fcurve(Object *ob, COLLADAFW::Node *node, FCurve *fcu)
|
|
{
|
|
const char *bone_name = bc_get_joint_name(node);
|
|
bAction *act = ob->adt->action;
|
|
|
|
/* try to find group */
|
|
bActionGroup *grp = action_groups_find_named(act, bone_name);
|
|
|
|
/* no matching groups, so add one */
|
|
if (grp == NULL) {
|
|
/* Add a new group, and make it active */
|
|
grp = (bActionGroup*)MEM_callocN(sizeof(bActionGroup), "bActionGroup");
|
|
|
|
grp->flag = AGRP_SELECTED;
|
|
BLI_strncpy(grp->name, bone_name, sizeof(grp->name));
|
|
|
|
BLI_addtail(&act->groups, grp);
|
|
BLI_uniquename(&act->groups, grp, "Group", '.', offsetof(bActionGroup, name), 64);
|
|
}
|
|
|
|
/* add F-Curve to group */
|
|
action_groups_add_channel(act, grp, fcu);
|
|
}
|
|
|
|
void AnimationImporter::add_bezt(FCurve *fcu, float fra, float value)
|
|
{
|
|
BezTriple bez;
|
|
memset(&bez, 0, sizeof(BezTriple));
|
|
bez.vec[1][0] = fra;
|
|
bez.vec[1][1] = value;
|
|
bez.ipo = U.ipo_new; /* use default interpolation mode here... */
|
|
bez.f1 = bez.f2 = bez.f3 = SELECT;
|
|
bez.h1 = bez.h2 = HD_AUTO;
|
|
insert_bezt_fcurve(fcu, &bez, 0);
|
|
calchandles_fcurve(fcu);
|
|
}
|