diff options
Diffstat (limited to 'source/blender/blenkernel/intern/displist.c')
| -rw-r--r-- | source/blender/blenkernel/intern/displist.c | 117 |
1 files changed, 79 insertions, 38 deletions
diff --git a/source/blender/blenkernel/intern/displist.c b/source/blender/blenkernel/intern/displist.c index 64959fd3aa1..a78a9af54ae 100644 --- a/source/blender/blenkernel/intern/displist.c +++ b/source/blender/blenkernel/intern/displist.c @@ -299,7 +299,9 @@ static void curve_to_displist(Curve *cu, ListBase *nubase, ListBase *dispbase, i else resolu = nu->resolu; - if (!BKE_nurb_check_valid_u(nu)) ; + if (!BKE_nurb_check_valid_u(nu)) { + /* pass */ + } else if (nu->type == CU_BEZIER) { /* count */ len = 0; @@ -628,7 +630,7 @@ static void curve_to_filledpoly(Curve *cu, ListBase *UNUSED(nurb), ListBase *dis * - first point left, last point right * - based on subdivided points in original curve, not on points in taper curve (still) */ -float BKE_displist_calc_taper(Scene *scene, Object *taperobj, int cur, int tot) +static float displist_calc_taper(Scene *scene, Object *taperobj, float fac) { DispList *dl; @@ -641,7 +643,6 @@ float BKE_displist_calc_taper(Scene *scene, Object *taperobj, int cur, int tot) dl = taperobj->disp.first; } if (dl) { - float fac = ((float)cur) / (float)(tot - 1); float minx, dx, *fp; int a; @@ -669,6 +670,13 @@ float BKE_displist_calc_taper(Scene *scene, Object *taperobj, int cur, int tot) return 1.0; } +float BKE_displist_calc_taper(Scene *scene, Object *taperobj, int cur, int tot) +{ + float fac = ((float)cur) / (float)(tot - 1); + + return displist_calc_taper(scene, taperobj, fac); +} + void BKE_displist_make_mball(Scene *scene, Object *ob) { if (!ob || ob->type != OB_MBALL) @@ -1238,7 +1246,7 @@ void BKE_displist_make_surf(Scene *scene, Object *ob, ListBase *dispbase, } } -static void rotateBevelPiece(Curve *cu, BevPoint *bevp, DispList *dlb, float widfac, float fac, float **data_r) +static void rotateBevelPiece(Curve *cu, BevPoint *bevp, BevPoint *nbevp, DispList *dlb, float bev_blend, float widfac, float fac, float **data_r) { float *fp, *data = *data_r; int b; @@ -1246,22 +1254,48 @@ static void rotateBevelPiece(Curve *cu, BevPoint *bevp, DispList *dlb, float wid fp = dlb->verts; for (b = 0; b < dlb->nr; b++, fp += 3, data += 3) { if (cu->flag & CU_3D) { - float vec[3]; + float vec[3], quat[4]; vec[0] = fp[1] + widfac; vec[1] = fp[2]; vec[2] = 0.0; - mul_qt_v3(bevp->quat, vec); + if (nbevp == NULL) { + copy_v3_v3(data, bevp->vec); + copy_qt_qt(quat, bevp->quat); + } + else { + interp_v3_v3v3(data, bevp->vec, nbevp->vec, bev_blend); + interp_qt_qtqt(quat, bevp->quat, nbevp->quat, bev_blend); + } - data[0] = bevp->vec[0] + fac * vec[0]; - data[1] = bevp->vec[1] + fac * vec[1]; - data[2] = bevp->vec[2] + fac * vec[2]; + mul_qt_v3(quat, vec); + + data[0] += fac * vec[0]; + data[1] += fac * vec[1]; + data[2] += fac * vec[2]; } else { - data[0] = bevp->vec[0] + fac * (widfac + fp[1]) * bevp->sina; - data[1] = bevp->vec[1] + fac * (widfac + fp[1]) * bevp->cosa; - data[2] = bevp->vec[2] + fac * fp[2]; + float sina, cosa; + + if (nbevp == NULL) { + copy_v3_v3(data, bevp->vec); + sina = bevp->sina; + cosa = bevp->cosa; + } + else { + interp_v3_v3v3(data, bevp->vec, nbevp->vec, bev_blend); + + /* perhaps we need to interpolate angles instead. but the thing is + * cosa and sina are not actually sine and cosine + */ + sina = nbevp->sina * bev_blend + bevp->sina * (1.0f - bev_blend); + cosa = nbevp->cosa * bev_blend + bevp->cosa * (1.0f - bev_blend); + } + + data[0] += fac * (widfac + fp[1]) * sina; + data[1] += fac * (widfac + fp[1]) * cosa; + data[2] += fac * fp[2]; } } @@ -1384,8 +1418,8 @@ static void do_makeDispListCurveTypes(Scene *scene, Object *ob, ListBase *dispba ListBase top_capbase = {NULL, NULL}; for (dlb = dlbev.first; dlb; dlb = dlb->next) { - const float bevfac1 = minf(cu->bevfac1, cu->bevfac2); - const float bevfac2 = maxf(cu->bevfac1, cu->bevfac2); + const float bevfac1 = min_ff(cu->bevfac1, cu->bevfac2); + const float bevfac2 = max_ff(cu->bevfac1, cu->bevfac2); float firstblend = 0.0f, lastblend = 0.0f; int i, start, steps; @@ -1397,8 +1431,8 @@ static void do_makeDispListCurveTypes(Scene *scene, Object *ob, ListBase *dispba firstblend = 1.0f - (bevfac1 * (bl->nr - 1) - (int)(bevfac1 * (bl->nr - 1))); lastblend = bevfac2 * (bl->nr - 1) - (int)(bevfac2 * (bl->nr - 1)); - if (steps > bl->nr) { - steps = bl->nr; + if (start + steps > bl->nr) { + steps = bl->nr - start; lastblend = 1.0f; } @@ -1436,7 +1470,29 @@ static void do_makeDispListCurveTypes(Scene *scene, Object *ob, ListBase *dispba fac = bevp->radius; } else { - fac = BKE_displist_calc_taper(scene, cu->taperobj, i, bl->nr); + float len, taper_fac; + + if (cu->flag & CU_MAP_TAPER) { + len = (steps - 3) + firstblend + lastblend; + + if (a == 0) + taper_fac = 0.0f; + else if (a == steps - 1) + taper_fac = 1.0f; + else + taper_fac = ((float) a - (1.0f - firstblend)) / len; + } + else { + len = bl->nr - 1; + taper_fac = (float) i / len; + + if (a == 0) + taper_fac += (1.0f - firstblend) / len; + else if (a == steps - 1) + taper_fac -= (1.0f - lastblend) / len; + } + + fac = displist_calc_taper(scene, cu->taperobj, taper_fac); } if (bevp->split_tag) { @@ -1444,27 +1500,12 @@ static void do_makeDispListCurveTypes(Scene *scene, Object *ob, ListBase *dispba } /* rotate bevel piece and write in data */ - rotateBevelPiece(cu, bevp, dlb, widfac, fac, &data); - - if (a == 1 || a == steps - 1) { - float *cur_fp = cur_data, *prev_fp = cur_data - 3 * dlb->nr; - int b; - - for (b = 0; b < dlb->nr; b++, prev_fp += 3, cur_fp += 3) { - float cur[3], prev[3]; - - copy_v3_v3(cur, cur_fp); - copy_v3_v3(prev, prev_fp); - - if (a == 1) - interp_v3_v3v3(prev, cur_fp, prev_fp, firstblend); - if (a == steps - 1) - interp_v3_v3v3(cur, prev_fp, cur_fp, lastblend); - - copy_v3_v3(cur_fp, cur); - copy_v3_v3(prev_fp, prev); - } - } + if (a == 0) + rotateBevelPiece(cu, bevp, bevp + 1, dlb, 1.0f - firstblend, widfac, fac, &data); + else if (a == steps - 1) + rotateBevelPiece(cu, bevp, bevp - 1, dlb, 1.0f - lastblend, widfac, fac, &data); + else + rotateBevelPiece(cu, bevp, NULL, dlb, 0.0f, widfac, fac, &data); if (cu->bevobj && (cu->flag & CU_FILL_CAPS)) { if (a == 1) |