diff options
Diffstat (limited to 'source/blender/editors/animation/anim_draw.c')
| -rw-r--r-- | source/blender/editors/animation/anim_draw.c | 93 |
1 files changed, 73 insertions, 20 deletions
diff --git a/source/blender/editors/animation/anim_draw.c b/source/blender/editors/animation/anim_draw.c index 33e44d73894..98900812bb2 100644 --- a/source/blender/editors/animation/anim_draw.c +++ b/source/blender/editors/animation/anim_draw.c @@ -46,6 +46,8 @@ #include "BLI_dlrbTree.h" #include "BKE_context.h" +#include "BKE_curve.h" +#include "BKE_fcurve.h" #include "BKE_global.h" #include "BKE_nla.h" #include "BKE_mask.h" @@ -115,7 +117,8 @@ void ANIM_draw_cfra(const bContext *C, View2D *v2d, short flag) /* Draw a light green line to indicate current frame */ UI_ThemeColor(TH_CFRAME); - const float x = (float)(scene->r.cfra * scene->r.framelen); + const float time = scene->r.cfra + scene->r.subframe; + const float x = (float)(time * scene->r.framelen); glLineWidth((flag & DRAWCFRA_WIDE) ? 3.0 : 2.0); @@ -308,7 +311,8 @@ static float normalization_factor_get(Scene *scene, FCurve *fcu, short flag, flo fcu->prev_norm_factor = 1.0f; if (fcu->bezt) { - BezTriple *bezt; + const bool use_preview_only = PRVRANGEON; + const BezTriple *bezt; int i; float max_coord = -FLT_MAX; float min_coord = FLT_MAX; @@ -318,28 +322,77 @@ static float normalization_factor_get(Scene *scene, FCurve *fcu, short flag, flo return 1.0f; } - if (PRVRANGEON) { - for (i = 0, bezt = fcu->bezt; i < fcu->totvert; i++, bezt++) { - if (IN_RANGE_INCL(bezt->vec[1][0], scene->r.psfra, scene->r.pefra)) { - max_coord = max_ff(max_coord, bezt->vec[0][1]); - max_coord = max_ff(max_coord, bezt->vec[1][1]); - max_coord = max_ff(max_coord, bezt->vec[2][1]); - - min_coord = min_ff(min_coord, bezt->vec[0][1]); - min_coord = min_ff(min_coord, bezt->vec[1][1]); - min_coord = min_ff(min_coord, bezt->vec[2][1]); - } + 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; } - } - else { - for (i = 0, bezt = fcu->bezt; i < fcu->totvert; i++, bezt++) { - max_coord = max_ff(max_coord, bezt->vec[0][1]); + + 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]); - max_coord = max_ff(max_coord, bezt->vec[2][1]); - min_coord = min_ff(min_coord, bezt->vec[0][1]); min_coord = min_ff(min_coord, bezt->vec[1][1]); - min_coord = min_ff(min_coord, bezt->vec[2][1]); + } + else { + const BezTriple *prev_bezt = bezt - 1; + if (prev_bezt->ipo == BEZT_IPO_CONST) { + /* Constant interpolation: previous CV value is used up + * to the current keyframe. + */ + max_coord = max_ff(max_coord, bezt->vec[1][1]); + min_coord = min_ff(min_coord, bezt->vec[1][1]); + } + else if (prev_bezt->ipo == BEZT_IPO_LIN) { + /* Linear interpolation: min/max using both previous and + * 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 if (prev_bezt->ipo == BEZT_IPO_BEZ) { + 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 { + 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]; + + 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]); + } + } + } } } |