diff options
Diffstat (limited to 'source/blender/blenkernel/intern/anim.c')
| -rw-r--r-- | source/blender/blenkernel/intern/anim.c | 161 |
1 files changed, 153 insertions, 8 deletions
diff --git a/source/blender/blenkernel/intern/anim.c b/source/blender/blenkernel/intern/anim.c index a7d1ac10195..507fc520a85 100644 --- a/source/blender/blenkernel/intern/anim.c +++ b/source/blender/blenkernel/intern/anim.c @@ -44,6 +44,7 @@ #include "DNA_anim_types.h" #include "DNA_action_types.h" +#include "DNA_armature_types.h" #include "DNA_curve_types.h" #include "DNA_effect_types.h" #include "DNA_group_types.h" @@ -72,6 +73,7 @@ #include "BKE_mesh.h" #include "BKE_object.h" #include "BKE_particle.h" +#include "BKE_scene.h" #include "BKE_utildefines.h" #ifdef HAVE_CONFIG_H @@ -178,14 +180,21 @@ bMotionPath *animviz_verify_motionpaths(Scene *scene, Object *ob, bPoseChannel * dst= &ob->mpath; } - /* if there is already a motionpath, just return that... */ - // TODO: maybe we should validate the settings in this case - if (*dst != NULL) - return *dst; + /* if there is already a motionpath, just return that, + * but provided it's settings are ok + */ + if (*dst != NULL) { + mpath= *dst; - /* create a new motionpath, and assign it */ - mpath= MEM_callocN(sizeof(bMotionPath), "bMotionPath"); - *dst= mpath; + /* if range is not invalid, and/or length is set ok, just return */ + if ((mpath->start_frame != mpath->end_frame) && (mpath->length > 0)) + return mpath; + } + else { + /* create a new motionpath, and assign it */ + mpath= MEM_callocN(sizeof(bMotionPath), "bMotionPath"); + *dst= mpath; + } /* set settings from the viz settings */ mpath->start_frame= avs->path_sf; @@ -203,15 +212,151 @@ bMotionPath *animviz_verify_motionpaths(Scene *scene, Object *ob, bPoseChannel * return mpath; } +/* ------------------- */ + +/* Motion path needing to be baked (mpt) */ +typedef struct MPathTarget { + struct MPathTarget *next, *prev; + + bMotionPath *mpath; /* motion path in question */ + + Object *ob; /* source object */ + bPoseChannel *pchan; /* source posechannel (if applicable) */ +} MPathTarget; + +/* ........ */ + +/* get list of motion paths to be baked (assumes the list is ready to be used) */ +static void motionpaths_get_bake_targets(Object *ob, ListBase *targets) +{ + MPathTarget *mpt; + + /* object itself first */ + if ((ob->avs.recalc & ANIMVIZ_RECALC_PATHS) && (ob->mpath)) { + /* new target for object */ + mpt= MEM_callocN(sizeof(MPathTarget), "MPathTarget Ob"); + BLI_addtail(targets, mpt); + + mpt->mpath= ob->mpath; + mpt->ob= ob; + } + + /* bones */ + if ((ob->pose) && (ob->pose->avs.recalc & ANIMVIZ_RECALC_PATHS)) { + bArmature *arm= ob->data; + bPoseChannel *pchan; + + for (pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) { + if ((pchan->bone) && (arm->layer & pchan->bone->layer) && (pchan->mpath)) { + /* new target for bone */ + mpt= MEM_callocN(sizeof(MPathTarget), "MPathTarget PoseBone"); + BLI_addtail(targets, mpt); + + mpt->mpath= pchan->mpath; + mpt->ob= ob; + mpt->pchan= pchan; + } + } + } +} + +/* perform baking for the targets on the current frame */ +static void motionpaths_calc_bake_targets(Scene *scene, ListBase *targets) +{ + MPathTarget *mpt; + + /* for each target, check if it can be baked on the current frame */ + for (mpt= targets->first; mpt; mpt= mpt->next) { + bMotionPath *mpath= mpt->mpath; + bMotionPathVert *mpv; + + /* current frame must be within the range the cache works for */ + if (IN_RANGE(CFRA, mpath->start_frame, mpath->end_frame) == 0) + continue; + + /* get the relevant cache vert to write to */ + mpv= mpath->points + (CFRA - mpath->start_frame); + + /* pose-channel or object path baking? */ + if (mpt->pchan) { + /* heads or tails */ + if (mpath->flag & MOTIONPATH_FLAG_BHEAD) { + VECCOPY(mpv->co, mpt->pchan->pose_head); + } + else { + VECCOPY(mpv->co, mpt->pchan->pose_tail); + } + + /* result must be in worldspace */ + mul_m4_v3(mpt->ob->obmat, mpv->co); + } + else { + /* worldspace object location */ + VECCOPY(mpv->co, mpt->ob->obmat[3]); + } + } +} + +/* ........ */ /* Perform baking of the given object's and/or its bones' transforms to motion paths * - scene: current scene * - ob: object whose flagged motionpaths should get calculated * - recalc: whether we need to */ +// TODO: include reports pointer? void animviz_calc_motionpaths(Scene *scene, Object *ob) { - + ListBase targets = {NULL, NULL}; + MPathTarget *mpt; + int sfra, efra; + int cfra; + + /* sanity checks */ + if (ob == NULL) + return; + + /* get motion paths to affect */ + motionpaths_get_bake_targets(ob, &targets); + + if (targets.first == NULL) + return; + + /* set frame values */ + cfra = CFRA; + sfra = efra = cfra; + + 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); + efra= MAX2(efra, mpt->mpath->end_frame); + } + if (efra <= sfra) return; + + /* 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, ob->lay); // XXX is the layer flag too restrictive? + + /* perform baking for targets */ + motionpaths_calc_bake_targets(scene, &targets); + } + + /* reset original environment */ + CFRA= cfra; + scene_update_for_newframe(scene, ob->lay); // XXX is the layer flag too restrictive? + + // TODO: make an API call for this too? + ob->avs.recalc &= ~ANIMVIZ_RECALC_PATHS; + if (ob->pose) + ob->pose->avs.recalc &= ~ANIMVIZ_RECALC_PATHS; + + /* free temp data */ + BLI_freelistN(&targets); } /* ******************************************************************** */ |