diff options
Diffstat (limited to 'source/blender/editors/animation/keyframes_general.c')
| -rw-r--r-- | source/blender/editors/animation/keyframes_general.c | 76 |
1 files changed, 74 insertions, 2 deletions
diff --git a/source/blender/editors/animation/keyframes_general.c b/source/blender/editors/animation/keyframes_general.c index ced3c117700..f13d35c7d4a 100644 --- a/source/blender/editors/animation/keyframes_general.c +++ b/source/blender/editors/animation/keyframes_general.c @@ -357,6 +357,76 @@ void smooth_fcurve (FCurve *fcu) calchandles_fcurve(fcu); } +/* ---------------- */ + +/* little cache for values... */ +typedef struct tempFrameValCache { + float frame, val; +} tempFrameValCache; + + +/* Evaluates the curves between each selected keyframe on each frame, and keys the value */ +void sample_fcurve (FCurve *fcu) +{ + BezTriple *bezt, *start=NULL, *end=NULL; + tempFrameValCache *value_cache, *fp; + int sfra, range; + int i, n, nIndex; + + /* find selected keyframes... once pair has been found, add keyframes */ + for (i=0, bezt=fcu->bezt; i < fcu->totvert; i++, bezt++) { + /* check if selected, and which end this is */ + if (BEZSELECTED(bezt)) { + if (start) { + /* set end */ + end= bezt; + + /* cache values then add keyframes using these values, as adding + * keyframes while sampling will affect the outcome... + * - only start sampling+adding from index=1, so that we don't overwrite original keyframe + */ + range= (int)( ceil(end->vec[1][0] - start->vec[1][0]) ); + sfra= (int)( floor(start->vec[1][0]) ); + + if (range) { + value_cache= MEM_callocN(sizeof(tempFrameValCache)*range, "IcuFrameValCache"); + + /* sample values */ + for (n=1, fp=value_cache; n<range && fp; n++, fp++) { + fp->frame= (float)(sfra + n); + fp->val= evaluate_fcurve(fcu, fp->frame); + } + + /* add keyframes with these, tagging as 'breakdowns' */ + for (n=1, fp=value_cache; n<range && fp; n++, fp++) { + nIndex= insert_vert_fcurve(fcu, fp->frame, fp->val, 1); + BEZKEYTYPE(fcu->bezt + nIndex)= BEZT_KEYTYPE_BREAKDOWN; + } + + /* free temp cache */ + MEM_freeN(value_cache); + + /* as we added keyframes, we need to compensate so that bezt is at the right place */ + bezt = fcu->bezt + i + range - 1; + i += (range - 1); + } + + /* bezt was selected, so it now marks the start of a whole new chain to search */ + start= bezt; + end= NULL; + } + else { + /* just set start keyframe */ + start= bezt; + end= NULL; + } + } + } + + /* recalculate channel's handles? */ + calchandles_fcurve(fcu); +} + /* **************************************************** */ /* Copy/Paste Tools */ /* - The copy/paste buffer currently stores a set of temporary F-Curves containing only the keyframes @@ -529,8 +599,10 @@ short paste_animedit_keys (bAnimContext *ac, ListBase *anim_data) bezt->vec[1][0] += offset; bezt->vec[2][0] += offset; - /* insert the keyframe */ - insert_bezt_fcurve(fcu, bezt); + /* insert the keyframe + * NOTE: no special flags here for now + */ + insert_bezt_fcurve(fcu, bezt, 0); /* un-apply offset from src beztriple after copying */ bezt->vec[0][0] -= offset; |