diff options
Diffstat (limited to 'source/blender/gpencil_modifiers/intern/MOD_gpencilthick.c')
-rw-r--r-- | source/blender/gpencil_modifiers/intern/MOD_gpencilthick.c | 105 |
1 files changed, 85 insertions, 20 deletions
diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpencilthick.c b/source/blender/gpencil_modifiers/intern/MOD_gpencilthick.c index cac700e15f4..f7fe39caad5 100644 --- a/source/blender/gpencil_modifiers/intern/MOD_gpencilthick.c +++ b/source/blender/gpencil_modifiers/intern/MOD_gpencilthick.c @@ -37,6 +37,7 @@ #include "BKE_colortools.h" #include "BKE_context.h" #include "BKE_deform.h" +#include "BKE_gpencil_geom.h" #include "BKE_gpencil_modifier.h" #include "BKE_lib_query.h" #include "BKE_modifier.h" @@ -89,29 +90,34 @@ static void copyData(const GpencilModifierData *md, GpencilModifierData *target) tgmd->curve_thickness = BKE_curvemapping_copy(gmd->curve_thickness); } +static bool do_modifier(Object *ob, ThickGpencilModifierData *mmd, bGPDlayer *gpl, bGPDstroke *gps) +{ + return is_stroke_affected_by_modifier(ob, + mmd->layername, + mmd->material, + mmd->pass_index, + mmd->layer_pass, + 1, + gpl, + gps, + mmd->flag & GP_THICK_INVERT_LAYER, + mmd->flag & GP_THICK_INVERT_PASS, + mmd->flag & GP_THICK_INVERT_LAYERPASS, + mmd->flag & GP_THICK_INVERT_MATERIAL); +} + /* change stroke thickness */ -static void deformStroke(GpencilModifierData *md, - Depsgraph *UNUSED(depsgraph), - Object *ob, - bGPDlayer *gpl, - bGPDframe *UNUSED(gpf), - bGPDstroke *gps) +static void deformPolyline(GpencilModifierData *md, + Depsgraph *UNUSED(depsgraph), + Object *ob, + bGPDlayer *gpl, + bGPDframe *UNUSED(gpf), + bGPDstroke *gps) { ThickGpencilModifierData *mmd = (ThickGpencilModifierData *)md; const int def_nr = BKE_object_defgroup_name_index(ob, mmd->vgname); - if (!is_stroke_affected_by_modifier(ob, - mmd->layername, - mmd->material, - mmd->pass_index, - mmd->layer_pass, - 1, - gpl, - gps, - mmd->flag & GP_THICK_INVERT_LAYER, - mmd->flag & GP_THICK_INVERT_PASS, - mmd->flag & GP_THICK_INVERT_LAYERPASS, - mmd->flag & GP_THICK_INVERT_MATERIAL)) { + if (!do_modifier(ob, mmd, gpl, gps)) { return; } @@ -160,6 +166,59 @@ static void deformStroke(GpencilModifierData *md, } } +static void deformBezier(GpencilModifierData *md, + Depsgraph *UNUSED(depsgraph), + Object *ob, + bGPDlayer *gpl, + bGPDframe *UNUSED(gpf), + bGPDstroke *gps) +{ + ThickGpencilModifierData *mmd = (ThickGpencilModifierData *)md; + const int def_nr = BKE_object_defgroup_name_index(ob, mmd->vgname); + + if (!do_modifier(ob, mmd, gpl, gps)) { + return; + } + float stroke_thickness_inv = 1.0f / max_ii(gps->thickness, 1); + + bGPDcurve *gpc = gps->editcurve; + for (int i = 0; i < gpc->tot_curve_points; i++) { + bGPDcurve_point *pt = &gpc->curve_points[i]; + MDeformVert *dvert = gpc->dvert != NULL ? &gpc->dvert[i] : NULL; + + /* Verify point is part of vertex group. */ + float weight = get_modifier_point_weight( + dvert, (mmd->flag & GP_THICK_INVERT_VGROUP) != 0, def_nr); + if (weight < 0.0f) { + continue; + } + + float curvef = 1.0f; + if ((mmd->flag & GP_THICK_CUSTOM_CURVE) && (mmd->curve_thickness)) { + /* Normalize value to evaluate curve. */ + float value = (float)i / (gpc->tot_curve_points - 1); + curvef = BKE_curvemapping_evaluateF(mmd->curve_thickness, 0, value); + } + + float target; + if (mmd->flag & GP_THICK_NORMALIZE) { + target = mmd->thickness * stroke_thickness_inv; + target *= curvef; + } + else { + target = pt->pressure * mmd->thickness_fac; + weight *= curvef; + } + + pt->pressure = interpf(target, pt->pressure, weight); + + CLAMP_MIN(pt->pressure, 0.0f); + /* Calc geometry data. */ + bGPdata *gpd = ob->data; + BKE_gpencil_stroke_geometry_update(gpd, gps, GP_GEO_UPDATE_DEFAULT); + } +} + static void bakeModifier(struct Main *UNUSED(bmain), Depsgraph *depsgraph, GpencilModifierData *md, @@ -170,7 +229,12 @@ static void bakeModifier(struct Main *UNUSED(bmain), LISTBASE_FOREACH (bGPDlayer *, gpl, &gpd->layers) { LISTBASE_FOREACH (bGPDframe *, gpf, &gpl->frames) { LISTBASE_FOREACH (bGPDstroke *, gps, &gpf->strokes) { - deformStroke(md, depsgraph, ob, gpl, gpf, gps); + if (!GPENCIL_STROKE_TYPE_BEZIER(gps)) { + deformPolyline(md, depsgraph, ob, gpl, gpf, gps); + } + else { + deformBezier(md, depsgraph, ob, gpl, gpf, gps); + } } } } @@ -236,7 +300,8 @@ GpencilModifierTypeInfo modifierType_Gpencil_Thick = { /* copyData */ copyData, - /* deformStroke */ deformStroke, + /* deformPolyline */ deformPolyline, + /* deformBezier */ deformBezier, /* generateStrokes */ NULL, /* bakeModifier */ bakeModifier, /* remapTime */ NULL, |