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path: root/source/blender/editors/animation/anim_draw.c
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Diffstat (limited to 'source/blender/editors/animation/anim_draw.c')
-rw-r--r--source/blender/editors/animation/anim_draw.c230
1 files changed, 128 insertions, 102 deletions
diff --git a/source/blender/editors/animation/anim_draw.c b/source/blender/editors/animation/anim_draw.c
index 06a0077df9b..329bc2b46eb 100644
--- a/source/blender/editors/animation/anim_draw.c
+++ b/source/blender/editors/animation/anim_draw.c
@@ -329,6 +329,121 @@ short ANIM_get_normalization_flags(bAnimContext *ac)
return 0;
}
+static void fcurve_scene_coord_range_get(Scene *scene,
+ FCurve *fcu,
+ float *r_min_coord,
+ float *r_max_coord)
+{
+ float min_coord = FLT_MAX;
+ float max_coord = -FLT_MAX;
+ const bool use_preview_only = PRVRANGEON;
+
+ if (fcu->bezt || fcu->fpt) {
+ int start = 0;
+ int end = fcu->totvert;
+
+ if (use_preview_only) {
+ start = scene->r.psfra;
+ end = min_ii(scene->r.pefra + 1, fcu->totvert);
+ }
+
+ if (fcu->bezt) {
+ const BezTriple *bezt = fcu->bezt + start;
+ for (int i = start; i < end; i++, bezt++) {
+
+ if (i == 0) {
+ /* We ignore extrapolation flags and handle here, and use the
+ * control point position only. so we normalize "interesting"
+ * part of the curve.
+ *
+ * Here we handle left extrapolation.
+ */
+ max_coord = max_ff(max_coord, bezt->vec[1][1]);
+ min_coord = min_ff(min_coord, bezt->vec[1][1]);
+ }
+ else {
+ const BezTriple *prev_bezt = bezt - 1;
+ if (!ELEM(prev_bezt->ipo, BEZT_IPO_BEZ, BEZT_IPO_BACK, BEZT_IPO_ELASTIC)) {
+ /* The points on the curve will lie inside the start and end points.
+ * Calculate min/max using both previous and current CV.
+ */
+ max_coord = max_ff(max_coord, bezt->vec[1][1]);
+ min_coord = min_ff(min_coord, bezt->vec[1][1]);
+ max_coord = max_ff(max_coord, prev_bezt->vec[1][1]);
+ min_coord = min_ff(min_coord, prev_bezt->vec[1][1]);
+ }
+ else {
+ const int resol = fcu->driver ?
+ 32 :
+ min_ii((int)(5.0f * len_v2v2(bezt->vec[1], prev_bezt->vec[1])),
+ 32);
+ if (resol < 2) {
+ max_coord = max_ff(max_coord, prev_bezt->vec[1][1]);
+ min_coord = min_ff(min_coord, prev_bezt->vec[1][1]);
+ }
+ else {
+ if (!ELEM(prev_bezt->ipo, BEZT_IPO_BACK, BEZT_IPO_ELASTIC)) {
+ /* Calculate min/max using bezier forward differencing. */
+ float data[120];
+ float v1[2], v2[2], v3[2], v4[2];
+
+ v1[0] = prev_bezt->vec[1][0];
+ v1[1] = prev_bezt->vec[1][1];
+ v2[0] = prev_bezt->vec[2][0];
+ v2[1] = prev_bezt->vec[2][1];
+
+ v3[0] = bezt->vec[0][0];
+ v3[1] = bezt->vec[0][1];
+ v4[0] = bezt->vec[1][0];
+ v4[1] = bezt->vec[1][1];
+
+ BKE_fcurve_correct_bezpart(v1, v2, v3, v4);
+
+ BKE_curve_forward_diff_bezier(
+ v1[0], v2[0], v3[0], v4[0], data, resol, sizeof(float[3]));
+ BKE_curve_forward_diff_bezier(
+ v1[1], v2[1], v3[1], v4[1], data + 1, resol, sizeof(float[3]));
+
+ for (int j = 0; j <= resol; ++j) {
+ const float *fp = &data[j * 3];
+ max_coord = max_ff(max_coord, fp[1]);
+ min_coord = min_ff(min_coord, fp[1]);
+ }
+ }
+ else {
+ /* Calculate min/max using full fcurve evaluation.
+ * [slower than bezier forward differencing but evaluates Back/Elastic
+ * interpolation as well]. */
+ float step_size = (bezt->vec[1][0] - prev_bezt->vec[1][0]) / resol;
+ for (int j = 0; j <= resol; j++) {
+ float eval_time = prev_bezt->vec[1][0] + step_size * j;
+ float eval_value = evaluate_fcurve_only_curve(fcu, eval_time);
+ max_coord = max_ff(max_coord, eval_value);
+ min_coord = min_ff(min_coord, eval_value);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ else if (fcu->fpt) {
+ const FPoint *fpt = fcu->fpt + start;
+ for (int i = start; i < end; ++i, ++fpt) {
+ min_coord = min_ff(min_coord, fpt->vec[1]);
+ max_coord = max_ff(max_coord, fpt->vec[1]);
+ }
+ }
+ }
+
+ if (r_min_coord) {
+ *r_min_coord = min_coord;
+ }
+ if (r_max_coord) {
+ *r_max_coord = max_coord;
+ }
+}
+
static float normalization_factor_get(Scene *scene, FCurve *fcu, short flag, float *r_offset)
{
float factor = 1.0f, offset = 0.0f;
@@ -366,112 +481,23 @@ static float normalization_factor_get(Scene *scene, FCurve *fcu, short flag, flo
}
fcu->prev_norm_factor = 1.0f;
- if (fcu->bezt) {
- const bool use_preview_only = PRVRANGEON;
- const BezTriple *bezt;
- int i;
- float max_coord = -FLT_MAX;
- float min_coord = FLT_MAX;
- float range;
-
- if (fcu->totvert < 1) {
- return 1.0f;
- }
-
- for (i = 0, bezt = fcu->bezt; i < fcu->totvert; i++, bezt++) {
- if (use_preview_only && !IN_RANGE_INCL(bezt->vec[1][0], scene->r.psfra, scene->r.pefra)) {
- continue;
- }
-
- if (i == 0) {
- /* We ignore extrapolation flags and handle here, and use the
- * control point position only. so we normalize "interesting"
- * part of the curve.
- *
- * Here we handle left extrapolation.
- */
- max_coord = max_ff(max_coord, bezt->vec[1][1]);
- min_coord = min_ff(min_coord, bezt->vec[1][1]);
- }
- else {
- const BezTriple *prev_bezt = bezt - 1;
- if (!ELEM(prev_bezt->ipo, BEZT_IPO_BEZ, BEZT_IPO_BACK, BEZT_IPO_ELASTIC)) {
- /* The points on the curve will lie inside the start and end points.
- * Calculate min/max using both previous and current CV.
- */
- max_coord = max_ff(max_coord, bezt->vec[1][1]);
- min_coord = min_ff(min_coord, bezt->vec[1][1]);
- max_coord = max_ff(max_coord, prev_bezt->vec[1][1]);
- min_coord = min_ff(min_coord, prev_bezt->vec[1][1]);
- }
- else {
- const int resol = fcu->driver ?
- 32 :
- min_ii((int)(5.0f * len_v2v2(bezt->vec[1], prev_bezt->vec[1])),
- 32);
- if (resol < 2) {
- max_coord = max_ff(max_coord, prev_bezt->vec[1][1]);
- min_coord = min_ff(min_coord, prev_bezt->vec[1][1]);
- }
- else {
- if (!ELEM(prev_bezt->ipo, BEZT_IPO_BACK, BEZT_IPO_ELASTIC)) {
- /* Calculate min/max using bezier forward differencing. */
- float data[120];
- float v1[2], v2[2], v3[2], v4[2];
-
- v1[0] = prev_bezt->vec[1][0];
- v1[1] = prev_bezt->vec[1][1];
- v2[0] = prev_bezt->vec[2][0];
- v2[1] = prev_bezt->vec[2][1];
-
- v3[0] = bezt->vec[0][0];
- v3[1] = bezt->vec[0][1];
- v4[0] = bezt->vec[1][0];
- v4[1] = bezt->vec[1][1];
-
- BKE_fcurve_correct_bezpart(v1, v2, v3, v4);
-
- BKE_curve_forward_diff_bezier(
- v1[0], v2[0], v3[0], v4[0], data, resol, sizeof(float[3]));
- BKE_curve_forward_diff_bezier(
- v1[1], v2[1], v3[1], v4[1], data + 1, resol, sizeof(float[3]));
-
- for (int j = 0; j <= resol; ++j) {
- const float *fp = &data[j * 3];
- max_coord = max_ff(max_coord, fp[1]);
- min_coord = min_ff(min_coord, fp[1]);
- }
- }
- else {
- /* Calculate min/max using full fcurve evaluation.
- * [slower than bezier forward differencing but evaluates Back/Elastic interpolation
- * as well]. */
- float step_size = (bezt->vec[1][0] - prev_bezt->vec[1][0]) / resol;
- for (int j = 0; j <= resol; j++) {
- float eval_time = prev_bezt->vec[1][0] + step_size * j;
- float eval_value = evaluate_fcurve_only_curve(fcu, eval_time);
- max_coord = max_ff(max_coord, eval_value);
- min_coord = min_ff(min_coord, eval_value);
- }
- }
- }
- }
- }
- }
+ float max_coord = -FLT_MAX;
+ float min_coord = FLT_MAX;
+ fcurve_scene_coord_range_get(scene, fcu, &min_coord, &max_coord);
- if (max_coord > min_coord) {
- range = max_coord - min_coord;
- if (range > FLT_EPSILON) {
- factor = 2.0f / range;
- }
- offset = -min_coord - range / 2.0f;
- }
- else if (max_coord == min_coord) {
- factor = 1.0f;
- offset = -min_coord;
+ if (max_coord > min_coord) {
+ const float range = max_coord - min_coord;
+ if (range > FLT_EPSILON) {
+ factor = 2.0f / range;
}
+ offset = -min_coord - range / 2.0f;
+ }
+ else if (max_coord == min_coord) {
+ factor = 1.0f;
+ offset = -min_coord;
}
+
BLI_assert(factor != 0.0f);
if (r_offset) {
*r_offset = offset;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 12:25:56 +0300