diff options
Diffstat (limited to 'source/blender/blenkernel/intern/fcurve.c')
-rw-r--r-- | source/blender/blenkernel/intern/fcurve.c | 79 |
1 files changed, 74 insertions, 5 deletions
diff --git a/source/blender/blenkernel/intern/fcurve.c b/source/blender/blenkernel/intern/fcurve.c index 0203620df84..972ff377519 100644 --- a/source/blender/blenkernel/intern/fcurve.c +++ b/source/blender/blenkernel/intern/fcurve.c @@ -1146,7 +1146,7 @@ void fcurve_samples_to_keyframes(FCurve *fcu, const int start, const int end) MEM_SAFE_FREE(fcu->fpt); /* Not strictly needed since we use linear interpolation, but better be consistent here. */ - calchandles_fcurve(fcu); + BKE_fcurve_handles_recalc(fcu); } /* ***************************** F-Curve Sanity ********************************* */ @@ -1216,7 +1216,7 @@ static BezTriple *cycle_offset_triple( return out; } -void calchandles_fcurve_ex(FCurve *fcu, eBezTriple_Flag handle_sel_flag) +void BKE_fcurve_handles_recalc_ex(FCurve *fcu, eBezTriple_Flag handle_sel_flag) { BezTriple *bezt, *prev, *next; int a = fcu->totvert; @@ -1299,9 +1299,9 @@ void calchandles_fcurve_ex(FCurve *fcu, eBezTriple_Flag handle_sel_flag) } } -void calchandles_fcurve(FCurve *fcu) +void BKE_fcurve_handles_recalc(FCurve *fcu) { - calchandles_fcurve_ex(fcu, SELECT); + BKE_fcurve_handles_recalc_ex(fcu, SELECT); } void testhandles_fcurve(FCurve *fcu, eBezTriple_Flag sel_flag, const bool use_handle) @@ -1320,7 +1320,7 @@ void testhandles_fcurve(FCurve *fcu, eBezTriple_Flag sel_flag, const bool use_ha } /* Recalculate handles. */ - calchandles_fcurve_ex(fcu, sel_flag); + BKE_fcurve_handles_recalc_ex(fcu, sel_flag); } void sort_time_fcurve(FCurve *fcu) @@ -1590,6 +1590,12 @@ static void berekeny(float f1, float f2, float f3, float f4, float *o, int b) } } +static void fcurve_bezt_free(FCurve *fcu) +{ + MEM_SAFE_FREE(fcu->bezt); + fcu->totvert = 0; +} + bool BKE_fcurve_bezt_subdivide_handles(struct BezTriple *bezt, struct BezTriple *prev, struct BezTriple *next, @@ -1651,6 +1657,69 @@ bool BKE_fcurve_bezt_subdivide_handles(struct BezTriple *bezt, return true; } +void BKE_fcurve_delete_key(FCurve *fcu, int index) +{ + /* sanity check */ + if (fcu == NULL) { + return; + } + + /* verify the index: + * 1) cannot be greater than the number of available keyframes + * 2) negative indices are for specifying a value from the end of the array + */ + if (abs(index) >= fcu->totvert) { + return; + } + if (index < 0) { + index += fcu->totvert; + } + + /* Delete this keyframe */ + memmove( + &fcu->bezt[index], &fcu->bezt[index + 1], sizeof(BezTriple) * (fcu->totvert - index - 1)); + fcu->totvert--; + + /* Free the array of BezTriples if there are not keyframes */ + if (fcu->totvert == 0) { + fcurve_bezt_free(fcu); + } +} + +bool BKE_fcurve_delete_keys_selected(FCurve *fcu) +{ + bool changed = false; + + if (fcu->bezt == NULL) { /* ignore baked curves */ + return false; + } + + /* Delete selected BezTriples */ + for (int i = 0; i < fcu->totvert; i++) { + if (fcu->bezt[i].f2 & SELECT) { + if (i == fcu->active_keyframe_index) { + BKE_fcurve_active_keyframe_set(fcu, NULL); + } + memmove(&fcu->bezt[i], &fcu->bezt[i + 1], sizeof(BezTriple) * (fcu->totvert - i - 1)); + fcu->totvert--; + i--; + changed = true; + } + } + + /* Free the array of BezTriples if there are not keyframes */ + if (fcu->totvert == 0) { + fcurve_bezt_free(fcu); + } + + return changed; +} + +void BKE_fcurve_delete_keys_all(FCurve *fcu) +{ + fcurve_bezt_free(fcu); +} + /** \} */ /* -------------------------------------------------------------------- */ |