diff options
Diffstat (limited to 'source/blender/blenkernel/intern/anim.c')
| -rw-r--r-- | source/blender/blenkernel/intern/anim.c | 95 |
1 files changed, 87 insertions, 8 deletions
diff --git a/source/blender/blenkernel/intern/anim.c b/source/blender/blenkernel/intern/anim.c index 8619ab1eb1c..313d79cf3b9 100644 --- a/source/blender/blenkernel/intern/anim.c +++ b/source/blender/blenkernel/intern/anim.c @@ -187,6 +187,8 @@ bMotionPath *animviz_verify_motionpaths(Scene *scene, Object *ob, bPoseChannel * if (avs->path_bakeflag & MOTIONPATH_BAKE_HEADS) mpath->flag |= MOTIONPATH_FLAG_BHEAD; + else + mpath->flag &= ~MOTIONPATH_FLAG_BHEAD; /* allocate a cache */ mpath->points= MEM_callocN(sizeof(bMotionPathVert)*mpath->length, "bMotionPathVerts"); @@ -250,6 +252,83 @@ void animviz_get_object_motionpaths(Object *ob, ListBase *targets) /* ........ */ +/* Note on evaluation optimisations: + * Optimisations currently used here play tricks with the depsgraph in order to try and + * evaluate as few objects as strictly necessary to get nicer performance under standard + * production conditions. For those people who really need the accurate version, + * disable the ifdef (i.e. 1 -> 0) and comment out the call to motionpaths_calc_optimise_depsgraph() + */ + +/* tweak the object ordering to trick depsgraph into making MotionPath calculations run faster */ +static void motionpaths_calc_optimise_depsgraph(Scene *scene, ListBase *targets) +{ + Base *base, *baseNext; + MPathTarget *mpt; + + /* make sure our temp-tag isn't already in use */ + for (base= scene->base.first; base; base= base->next) + base->object->flag &= ~BA_TEMP_TAG; + + /* for each target, dump its object to the start of the list if it wasn't moved already */ + for (mpt= targets->first; mpt; mpt= mpt->next) { + for (base=scene->base.first; base; base=baseNext) { + baseNext = base->next; + + if ((base->object == mpt->ob) && !(mpt->ob->flag & BA_TEMP_TAG)) { + BLI_remlink(&scene->base, base); + BLI_addhead(&scene->base, base); + + mpt->ob->flag |= BA_TEMP_TAG; + break; // we really don't need to continue anymore once this happens, but this line might really 'break' + } + } + } + + /* "brew me a list that's sorted a bit faster now depsy" */ + DAG_scene_sort(scene); +} + +/* update scene for current frame */ +static void motionpaths_calc_update_scene(Scene *scene) +{ +#if 1 // 'production' optimisations always on + Base *base, *last=NULL; + + /* only stuff that moves or needs display still */ + DAG_scene_update_flags(scene, scene->lay); + + /* find the last object with the tag + * - all those afterwards are assumed to not be relevant for our calculations + */ + // optimise further by moving out... + for (base=scene->base.first; base; base=base->next) { + if (base->object->flag & BA_TEMP_TAG) + last = base; + } + + /* perform updates for tagged objects */ + // XXX: this will break if rigs depend on scene or other data that + // is animated but not attached to/updatable from objects + for (base=scene->base.first; base; base=base->next) { + /* update this object */ + object_handle_update(scene, base->object); + + /* if this is the last one we need to update, let's stop to save some time */ + if (base == last) + break; + } +#else // original, 'always correct' version + /* do all updates + * - if this is too slow, resort to using a more efficient way + * that doesn't force complete update, but for now, this is the + * most accurate way! + */ + scene_update_for_newframe(scene, scene->lay); // XXX this is the best way we can get anything moving +#endif +} + +/* ........ */ + /* perform baking for the targets on the current frame */ static void motionpaths_calc_bake_targets(Scene *scene, ListBase *targets) { @@ -311,7 +390,7 @@ void animviz_calc_motionpaths(Scene *scene, ListBase *targets) // TODO: this method could be improved... // 1) max range for standard baking - // 2) minimum range for recalc baking (i.e. between keyfames, but how?) + // 2) minimum range for recalc baking (i.e. between keyframes, but how?) for (mpt= targets->first; mpt; mpt= mpt->next) { /* try to increase area to do (only as much as needed) */ sfra= MIN2(sfra, mpt->mpath->start_frame); @@ -319,14 +398,14 @@ void animviz_calc_motionpaths(Scene *scene, ListBase *targets) } if (efra <= sfra) return; + /* optimise the depsgraph for faster updates */ + // TODO: whether this is used should depend on some setting for the level of optimisations used + motionpaths_calc_optimise_depsgraph(scene, targets); + /* calculate path over requested range */ for (CFRA=sfra; CFRA<=efra; CFRA++) { - /* do all updates - * - if this is too slow, resort to using a more efficient way - * that doesn't force complete update, but for now, this is the - * most accurate way! - */ - scene_update_for_newframe(scene, scene->lay); // XXX this is the best way we can get anything moving + /* update relevant data for new frame */ + motionpaths_calc_update_scene(scene); /* perform baking for targets */ motionpaths_calc_bake_targets(scene, targets); @@ -334,7 +413,7 @@ void animviz_calc_motionpaths(Scene *scene, ListBase *targets) /* reset original environment */ CFRA= cfra; - scene_update_for_newframe(scene, scene->lay); // XXX this is the best way we can get anything moving + motionpaths_calc_update_scene(scene); /* clear recalc flags from targets */ for (mpt= targets->first; mpt; mpt= mpt->next) { |