Animation: scale left slider #106524

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AresDeveaux wants to merge 7 commits from AresDeveaux/blender:scale_left_slider into main

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6 changed files with 145 additions and 0 deletions

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@ -330,6 +330,7 @@ class GRAPH_MT_slider(Menu):
layout.operator("graph.blend_to_neighbor", text="Blend to Neighbor")
layout.operator("graph.blend_to_default", text="Blend to Default Value")
layout.operator("graph.ease", text="Ease")
layout.operator("graph.scale_from_left", text="Scale from Left")
layout.operator("graph.gaussian_smooth", text="Smooth")

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@ -491,6 +491,19 @@ void ease_fcurve_segment(FCurve *fcu, FCurveSegment *segment, const float factor
/* ---------------- */
void scale_from_left_fcurve_segment(FCurve *fcu, FCurveSegment *segment, const float factor)
{
const BezTriple *left_key = fcurve_segment_start_get(fcu, segment->start_index);
for (int i = segment->start_index; i < segment->start_index + segment->length; i++) {
const float delta = fcu->bezt[i].vec[1][1] - left_key->vec[1][1];
const float key_y_value = fcu->bezt[i].vec[1][1] + delta * factor;
move_key(&fcu->bezt[i], key_y_value);
}
}
/* ---------------- */
void breakdown_fcurve_segment(FCurve *fcu, FCurveSegment *segment, const float factor)
{
const BezTriple *left_bezt = fcurve_segment_start_get(fcu, segment->start_index);

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@ -437,6 +437,7 @@ void smooth_fcurve_segment(struct FCurve *fcu,
int kernel_size,
double *kernel);
void ease_fcurve_segment(struct FCurve *fcu, struct FCurveSegment *segment, float factor);
void scale_from_left_fcurve_segment(struct FCurve *fcu, struct FCurveSegment *segment, float factor);
bool decimate_fcurve(struct bAnimListElem *ale, float remove_ratio, float error_sq_max);
void blend_to_default_fcurve(struct PointerRNA *id_ptr, struct FCurve *fcu, float factor);
/**

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@ -114,6 +114,7 @@ void GRAPH_OT_clean(struct wmOperatorType *ot);
void GRAPH_OT_blend_to_neighbor(struct wmOperatorType *ot);
void GRAPH_OT_breakdown(struct wmOperatorType *ot);
void GRAPH_OT_ease(struct wmOperatorType *ot);
void GRAPH_OT_scale_from_left(struct wmOperatorType *ot);
void GRAPH_OT_decimate(struct wmOperatorType *ot);
void GRAPH_OT_blend_to_default(struct wmOperatorType *ot);
void GRAPH_OT_gaussian_smooth(struct wmOperatorType *ot);

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@ -463,6 +463,7 @@ void graphedit_operatortypes(void)
WM_operatortype_append(GRAPH_OT_blend_to_neighbor);
WM_operatortype_append(GRAPH_OT_breakdown);
WM_operatortype_append(GRAPH_OT_ease);
WM_operatortype_append(GRAPH_OT_scale_from_left);
WM_operatortype_append(GRAPH_OT_blend_to_default);
WM_operatortype_append(GRAPH_OT_gaussian_smooth);
WM_operatortype_append(GRAPH_OT_euler_filter);

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@ -1060,6 +1060,134 @@ void GRAPH_OT_ease(wmOperatorType *ot)
1.0f);
}
/* -------------------------------------------------------------------- */
/** \name Scale from Left Operator
* \{ */
static void scale_from_left_graph_keys(bAnimContext *ac, const float factor)
{
ListBase anim_data = {NULL, NULL};
ANIM_animdata_filter(ac, &anim_data, OPERATOR_DATA_FILTER, ac->data, ac->datatype);
LISTBASE_FOREACH (bAnimListElem *, ale, &anim_data) {
FCurve *fcu = (FCurve *)ale->key_data;
ListBase segments = find_fcurve_segments(fcu);
LISTBASE_FOREACH (FCurveSegment *, segment, &segments) {
scale_from_left_fcurve_segment(fcu, segment, factor);
}
ale->update |= ANIM_UPDATE_DEFAULT;
BLI_freelistN(&segments);
}
ANIM_animdata_update(ac, &anim_data);
ANIM_animdata_freelist(&anim_data);
}
static void scale_from_left_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_("Scale from Left Keys"));
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 scale_from_left_modal_update(bContext *C, wmOperator *op)
{
tGraphSliderOp *gso = op->customdata;
scale_from_left_draw_status_header(C, gso);
/* Reset keyframes to the state at invoke. */
reset_bezts(gso);
const float factor = slider_factor_get_and_remember(op);
scale_from_left_graph_keys(&gso->ac, factor);
WM_event_add_notifier(C, NC_ANIMATION | ND_KEYFRAME | NA_EDITED, NULL);
}
static int scale_from_left_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 = scale_from_left_modal_update;
gso->factor_prop = RNA_struct_find_property(op->ptr, "factor");
scale_from_left_draw_status_header(C, gso);
ED_slider_is_bidirectional_set(gso->slider, true);
ED_slider_factor_set(gso->slider, 0.0f);
return invoke_result;
}
static int scale_from_left_exec(bContext *C, wmOperator *op)
{
bAnimContext ac;
/* Get editor data. */
if (ANIM_animdata_get_context(C, &ac) == 0) {
return OPERATOR_CANCELLED;
}
const float factor = RNA_float_get(op->ptr, "factor");
scale_from_left_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_scale_from_left(wmOperatorType *ot)
{
/* Identifiers. */
ot->name = "Scale from Left Keyframes";
ot->idname = "GRAPH_OT_scale_from_left";
ot->description =
"Increase or decrease the value of selected keys \n\
in relationship to the left neighboring one";
/* API callbacks. */
ot->invoke = scale_from_left_invoke;
ot->modal = graph_slider_modal;
ot->exec = scale_from_left_exec;
ot->poll = graphop_editable_keyframes_poll;
/* Flags. */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_float_factor(ot->srna,
"factor",
0.0f,
-FLT_MAX,
FLT_MAX,
"Curve Bend",
"Control the bend of the curve",
-1.0f,
1.0f);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Gauss Smooth Operator