diff options
Diffstat (limited to 'source/blender/editors/space_graph/graph_slider_ops.c')
| -rw-r--r-- | source/blender/editors/space_graph/graph_slider_ops.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/source/blender/editors/space_graph/graph_slider_ops.c b/source/blender/editors/space_graph/graph_slider_ops.c index 30293f25332..a78e65aa3d6 100644 --- a/source/blender/editors/space_graph/graph_slider_ops.c +++ b/source/blender/editors/space_graph/graph_slider_ops.c @@ -551,3 +551,133 @@ void GRAPH_OT_decimate(wmOperatorType *ot) } /** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Blend To Neighbor Operator + * \{ */ + +static void blend_to_neighbor_graph_keys(bAnimContext *ac, float factor) +{ + ListBase anim_data = {NULL, NULL}; + ANIM_animdata_filter(ac, &anim_data, OPERATOR_DATA_FILTER, ac->data, ac->datatype); + + bAnimListElem *ale; + + /* Loop through filtered data and blend keys. */ + + for (ale = anim_data.first; ale; ale = ale->next) { + FCurve *fcu = (FCurve *)ale->key_data; + ListBase segments = find_fcurve_segments(fcu); + LISTBASE_FOREACH (FCurveSegment *, segment, &segments) { + blend_to_neighbor_fcurve_segment(fcu, segment, factor); + } + BLI_freelistN(&segments); + ale->update |= ANIM_UPDATE_DEFAULT; + } + + ANIM_animdata_update(ac, &anim_data); + ANIM_animdata_freelist(&anim_data); +} + +static void blend_to_neighbor_draw_status_header(bContext *C, tGraphSliderOp *gso) +{ + char status_str[UI_MAX_DRAW_STR]; + char mode_str[32]; + char slider_string[UI_MAX_DRAW_STR]; + + ED_slider_status_string_get(gso->slider, slider_string, UI_MAX_DRAW_STR); + + strcpy(mode_str, TIP_("Blend To Neighbor")); + + if (hasNumInput(&gso->num)) { + char str_ofs[NUM_STR_REP_LEN]; + + outputNumInput(&gso->num, str_ofs, &gso->scene->unit); + + BLI_snprintf(status_str, sizeof(status_str), "%s: %s", mode_str, str_ofs); + } + else { + BLI_snprintf(status_str, sizeof(status_str), "%s: %s", mode_str, slider_string); + } + + ED_workspace_status_text(C, status_str); +} + +static void blend_to_neighbor_modal_update(bContext *C, wmOperator *op) +{ + tGraphSliderOp *gso = op->customdata; + + blend_to_neighbor_draw_status_header(C, gso); + + /* Reset keyframe data to the state at invoke. */ + reset_bezts(gso); + + const float factor = ED_slider_factor_get(gso->slider); + RNA_property_float_set(op->ptr, gso->factor_prop, factor); + blend_to_neighbor_graph_keys(&gso->ac, factor); + + WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL); +} + +static int blend_to_neighbor_invoke(bContext *C, wmOperator *op, const wmEvent *event) +{ + const int invoke_result = graph_slider_invoke(C, op, event); + + if (invoke_result == OPERATOR_CANCELLED) { + return invoke_result; + } + + tGraphSliderOp *gso = op->customdata; + gso->modal_update = blend_to_neighbor_modal_update; + gso->factor_prop = RNA_struct_find_property(op->ptr, "factor"); + blend_to_neighbor_draw_status_header(C, gso); + + return invoke_result; +} + +static int blend_to_neighbor_exec(bContext *C, wmOperator *op) +{ + bAnimContext ac; + + if (ANIM_animdata_get_context(C, &ac) == 0) { + return OPERATOR_CANCELLED; + } + + const float factor = RNA_float_get(op->ptr, "factor"); + + blend_to_neighbor_graph_keys(&ac, factor); + + /* Set notifier that keyframes have changed. */ + WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL); + + return OPERATOR_FINISHED; +} + +void GRAPH_OT_blend_to_neighbor(wmOperatorType *ot) +{ + /* Identifiers. */ + ot->name = "Blend To Neighbor"; + ot->idname = "GRAPH_OT_blend_to_neighbor"; + ot->description = "Blend selected keyframes to their left or right neighbor"; + + /* API callbacks. */ + ot->invoke = blend_to_neighbor_invoke; + ot->modal = graph_slider_modal; + ot->exec = blend_to_neighbor_exec; + ot->poll = graphop_editable_keyframes_poll; + + /* Flags. */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + RNA_def_float_factor(ot->srna, + "factor", + 1.0f / 3.0f, + -FLT_MAX, + FLT_MAX, + "Blend", + "The blend factor with 0.5 being the current frame", + 0.0f, + 1.0f); +} + +/** \} */ |