diff options
Diffstat (limited to 'source/blender/editors/gpencil/gpencil_brush.c')
| -rw-r--r-- | source/blender/editors/gpencil/gpencil_brush.c | 695 |
1 files changed, 462 insertions, 233 deletions
diff --git a/source/blender/editors/gpencil/gpencil_brush.c b/source/blender/editors/gpencil/gpencil_brush.c index bd9bfcf7025..52642fb2570 100644 --- a/source/blender/editors/gpencil/gpencil_brush.c +++ b/source/blender/editors/gpencil/gpencil_brush.c @@ -48,6 +48,7 @@ #include "BLT_translation.h" +#include "DNA_meshdata_types.h" #include "DNA_scene_types.h" #include "DNA_screen_types.h" #include "DNA_space_types.h" @@ -60,6 +61,9 @@ #include "BKE_library.h" #include "BKE_report.h" #include "BKE_screen.h" +#include "BKE_object_deform.h" +#include "BKE_colortools.h" +#include "BKE_material.h" #include "UI_interface.h" @@ -80,6 +84,9 @@ #include "GPU_immediate_util.h" #include "GPU_state.h" +#include "DEG_depsgraph.h" +#include "DEG_depsgraph_query.h" + #include "gpencil_intern.h" /* ************************************************ */ @@ -89,7 +96,9 @@ typedef struct tGP_BrushEditData { /* Current editor/region/etc. */ /* NOTE: This stuff is mainly needed to handle 3D view projection stuff... */ + Depsgraph *depsgraph; Scene *scene; + Object *object; ScrArea *sa; ARegion *ar; @@ -114,6 +123,10 @@ typedef struct tGP_BrushEditData { /* Start of new sculpt stroke */ bool first; + /* Is multiframe editing enabled, and are we using falloff for that? */ + bool is_multiframe; + bool use_multiframe_falloff; + /* Current frame */ int cfra; @@ -128,6 +141,13 @@ typedef struct tGP_BrushEditData { /* - effect vector (e.g. 2D/3D translation for grab brush) */ float dvec[3]; + /* - multiframe falloff factor */ + float mf_falloff; + + /* active vertex group */ + int vrgroup; + + /* brush geometry (bounding box) */ rcti brush_rect; @@ -147,12 +167,34 @@ typedef struct tGP_BrushEditData { /* Callback for performing some brush operation on a single point */ -typedef bool (*GP_BrushApplyCb)(tGP_BrushEditData *gso, bGPDstroke *gps, int i, +typedef bool (*GP_BrushApplyCb)(tGP_BrushEditData *gso, bGPDstroke *gps, int pt_index, const int radius, const int co[2]); /* ************************************************ */ /* Utility Functions */ +/* apply lock axis reset */ +static void gpsculpt_compute_lock_axis(tGP_BrushEditData *gso, bGPDspoint *pt, const float save_pt[3]) +{ + if (gso->sa->spacetype != SPACE_VIEW3D) { + return; + } + + ToolSettings *ts = gso->scene->toolsettings; + int axis = ts->gp_sculpt.lock_axis; + + /* lock axis control */ + if (axis == 1) { + pt->x = save_pt[0]; + } + if (axis == 2) { + pt->y = save_pt[1]; + } + if (axis == 3) { + pt->z = save_pt[2]; + } +} + /* Context ---------------------------------------- */ /* Get the sculpting settings */ @@ -162,10 +204,18 @@ static GP_BrushEdit_Settings *gpsculpt_get_settings(Scene *scene) } /* Get the active brush */ -static GP_EditBrush_Data *gpsculpt_get_brush(Scene *scene) +static GP_EditBrush_Data *gpsculpt_get_brush(Scene *scene, bool is_weight_mode) { GP_BrushEdit_Settings *gset = &scene->toolsettings->gp_sculpt; - return &gset->brush[gset->brushtype]; + GP_EditBrush_Data *brush = NULL; + if (is_weight_mode) { + brush = &gset->brush[gset->weighttype]; + } + else { + brush = &gset->brush[gset->brushtype]; + } + + return brush; } /* Brush Operations ------------------------------- */ @@ -181,6 +231,14 @@ static bool gp_brush_invert_check(tGP_BrushEditData *gso) invert ^= true; } + /* set temporary status */ + if (invert) { + gso->brush->flag |= GP_EDITBRUSH_FLAG_TMP_INVERT; + } + else { + gso->brush->flag &= ~GP_EDITBRUSH_FLAG_TMP_INVERT; + } + return invert; } @@ -208,6 +266,9 @@ static float gp_brush_influence_calc(tGP_BrushEditData *gso, const int radius, c influence *= fac; } + /* apply multiframe falloff */ + influence *= gso->mf_falloff; + /* return influence */ return influence; } @@ -222,29 +283,34 @@ static float gp_brush_influence_calc(tGP_BrushEditData *gso, const int radius, c /* Smooth Brush */ /* A simple (but slower + inaccurate) smooth-brush implementation to test the algorithm for stroke smoothing */ -static bool gp_brush_smooth_apply(tGP_BrushEditData *gso, bGPDstroke *gps, int i, - const int radius, const int co[2]) +static bool gp_brush_smooth_apply( + tGP_BrushEditData *gso, bGPDstroke *gps, int pt_index, + const int radius, const int co[2]) { - GP_EditBrush_Data *brush = gso->brush; + // GP_EditBrush_Data *brush = gso->brush; float inf = gp_brush_influence_calc(gso, radius, co); - bool affect_pressure = (brush->flag & GP_EDITBRUSH_FLAG_SMOOTH_PRESSURE) != 0; /* need one flag enabled by default */ - if ((gso->settings->flag & (GP_BRUSHEDIT_FLAG_APPLY_POSITION | - GP_BRUSHEDIT_FLAG_APPLY_STRENGTH | - GP_BRUSHEDIT_FLAG_APPLY_THICKNESS)) == 0) + if ((gso->settings->flag & + (GP_BRUSHEDIT_FLAG_APPLY_POSITION | + GP_BRUSHEDIT_FLAG_APPLY_STRENGTH | + GP_BRUSHEDIT_FLAG_APPLY_THICKNESS | + GP_BRUSHEDIT_FLAG_APPLY_UV)) == 0) { gso->settings->flag |= GP_BRUSHEDIT_FLAG_APPLY_POSITION; } /* perform smoothing */ if (gso->settings->flag & GP_BRUSHEDIT_FLAG_APPLY_POSITION) { - gp_smooth_stroke(gps, i, inf, affect_pressure); + BKE_gpencil_smooth_stroke(gps, pt_index, inf); } if (gso->settings->flag & GP_BRUSHEDIT_FLAG_APPLY_STRENGTH) { - gp_smooth_stroke_strength(gps, i, inf); + BKE_gpencil_smooth_stroke_strength(gps, pt_index, inf); } if (gso->settings->flag & GP_BRUSHEDIT_FLAG_APPLY_THICKNESS) { - gp_smooth_stroke_thickness(gps, i, inf); + BKE_gpencil_smooth_stroke_thickness(gps, pt_index, inf); + } + if (gso->settings->flag & GP_BRUSHEDIT_FLAG_APPLY_UV) { + BKE_gpencil_smooth_stroke_uv(gps, pt_index, inf); } return true; @@ -254,10 +320,11 @@ static bool gp_brush_smooth_apply(tGP_BrushEditData *gso, bGPDstroke *gps, int i /* Line Thickness Brush */ /* Make lines thicker or thinner by the specified amounts */ -static bool gp_brush_thickness_apply(tGP_BrushEditData *gso, bGPDstroke *gps, int i, - const int radius, const int co[2]) +static bool gp_brush_thickness_apply( + tGP_BrushEditData *gso, bGPDstroke *gps, int pt_index, + const int radius, const int co[2]) { - bGPDspoint *pt = gps->points + i; + bGPDspoint *pt = gps->points + pt_index; float inf; /* Compute strength of effect @@ -294,28 +361,29 @@ static bool gp_brush_thickness_apply(tGP_BrushEditData *gso, bGPDstroke *gps, in /* Make color more or less transparent by the specified amounts */ static bool gp_brush_strength_apply( - tGP_BrushEditData *gso, bGPDstroke *gps, int i, + tGP_BrushEditData *gso, bGPDstroke *gps, int pt_index, const int radius, const int co[2]) { - bGPDspoint *pt = gps->points + i; + bGPDspoint *pt = gps->points + pt_index; float inf; /* Compute strength of effect - * - We divide the strength by 10, so that users can set "sane" values. + * - We divide the strength, so that users can set "sane" values. * Otherwise, good default values are in the range of 0.093 */ - inf = gp_brush_influence_calc(gso, radius, co) / 10.0f; + inf = gp_brush_influence_calc(gso, radius, co) / 20.0f; /* apply */ - // XXX: this is much too strong, and it should probably do some smoothing with the surrounding stuff if (gp_brush_invert_check(gso)) { - /* make line thinner - reduce stroke pressure */ + /* make line more transparent - reduce alpha factor */ pt->strength -= inf; } else { - /* make line thicker - increase stroke pressure */ + /* make line more opaque - increase stroke strength */ pt->strength += inf; } + /* smooth the strength */ + BKE_gpencil_smooth_stroke_strength(gps, pt_index, inf); /* Strength should stay within [0.0, 1.0] */ CLAMP(pt->strength, 0.0f, 1.0f); @@ -382,8 +450,9 @@ static void gp_brush_grab_stroke_init(tGP_BrushEditData *gso, bGPDstroke *gps) } /* store references to stroke points in the initial stage */ -static bool gp_brush_grab_store_points(tGP_BrushEditData *gso, bGPDstroke *gps, int i, - const int radius, const int co[2]) +static bool gp_brush_grab_store_points( + tGP_BrushEditData *gso, bGPDstroke *gps, int pt_index, + const int radius, const int co[2]) { tGPSB_Grab_StrokeData *data = BLI_ghash_lookup(gso->stroke_customdata, gps); float inf = gp_brush_influence_calc(gso, radius, co); @@ -392,7 +461,7 @@ static bool gp_brush_grab_store_points(tGP_BrushEditData *gso, bGPDstroke *gps, BLI_assert(data->size < data->capacity); /* insert this point into the set of affected points */ - data->points[data->size] = i; + data->points[data->size] = pt_index; data->weights[data->size] = inf; data->size++; @@ -431,7 +500,7 @@ static void gp_brush_grab_calc_dvec(tGP_BrushEditData *gso) /* Apply grab transform to all relevant points of the affected strokes */ static void gp_brush_grab_apply_cached( - tGP_BrushEditData *gso, bGPDstroke *gps, bool parented, float diff_mat[4][4]) + tGP_BrushEditData *gso, bGPDstroke *gps, float diff_mat[4][4]) { tGPSB_Grab_StrokeData *data = BLI_ghash_lookup(gso->stroke_customdata, gps); int i; @@ -443,23 +512,21 @@ static void gp_brush_grab_apply_cached( /* adjust the amount of displacement to apply */ mul_v3_v3fl(delta, gso->dvec, data->weights[i]); - if (!parented) { - /* apply */ - add_v3_v3(&pt->x, delta); - } - else { - float fpt[3]; - /* apply transformation */ - mul_v3_m4v3(fpt, diff_mat, &pt->x); - /* apply */ - add_v3_v3(fpt, delta); - copy_v3_v3(&pt->x, fpt); - /* undo transformation to the init parent position */ - float inverse_diff_mat[4][4]; - invert_m4_m4(inverse_diff_mat, diff_mat); - mul_m4_v3(inverse_diff_mat, &pt->x); - } + float fpt[3]; + float save_pt[3]; + copy_v3_v3(save_pt, &pt->x); + /* apply transformation */ + mul_v3_m4v3(fpt, diff_mat, &pt->x); + /* apply */ + add_v3_v3v3(&pt->x, fpt, delta); + /* undo transformation to the init parent position */ + float inverse_diff_mat[4][4]; + invert_m4_m4(inverse_diff_mat, diff_mat); + mul_m4_v3(inverse_diff_mat, &pt->x); + + /* compute lock axis */ + gpsculpt_compute_lock_axis(gso, pt, save_pt); } } @@ -480,10 +547,14 @@ static void gp_brush_grab_stroke_free(void *ptr) /* Push Brush */ /* NOTE: Depends on gp_brush_grab_calc_dvec() */ -static bool gp_brush_push_apply(tGP_BrushEditData *gso, bGPDstroke *gps, int i, - const int radius, const int co[2]) +static bool gp_brush_push_apply( + tGP_BrushEditData *gso, bGPDstroke *gps, int pt_index, + const int radius, const int co[2]) { - bGPDspoint *pt = gps->points + i; + bGPDspoint *pt = gps->points + pt_index; + float save_pt[3]; + copy_v3_v3(save_pt, &pt->x); + float inf = gp_brush_influence_calc(gso, radius, co); float delta[3] = {0.0f}; @@ -493,6 +564,9 @@ static bool gp_brush_push_apply(tGP_BrushEditData *gso, bGPDstroke *gps, int i, /* apply */ add_v3_v3(&pt->x, delta); + /* compute lock axis */ + gpsculpt_compute_lock_axis(gso, pt, save_pt); + /* done */ return true; } @@ -512,7 +586,8 @@ static void gp_brush_calc_midpoint(tGP_BrushEditData *gso) float *rvec = ED_view3d_cursor3d_get(gso->scene, v3d)->location; float zfac = ED_view3d_calc_zfac(rv3d, rvec, NULL); - float mval_f[2] = {UNPACK2(gso->mval)}; + float mval_f[2]; + copy_v2fl_v2i(mval_f, gso->mval); float mval_prj[2]; float dvec[3]; @@ -536,12 +611,15 @@ static void gp_brush_calc_midpoint(tGP_BrushEditData *gso) } /* Shrink distance between midpoint and this point... */ -static bool gp_brush_pinch_apply(tGP_BrushEditData *gso, bGPDstroke *gps, int i, - const int radius, const int co[2]) +static bool gp_brush_pinch_apply( + tGP_BrushEditData *gso, bGPDstroke *gps, int pt_index, + const int radius, const int co[2]) { - bGPDspoint *pt = gps->points + i; + bGPDspoint *pt = gps->points + pt_index; float fac, inf; float vec[3]; + float save_pt[3]; + copy_v3_v3(save_pt, &pt->x); /* Scale down standard influence value to get it more manageable... * - No damping = Unmanageable at > 0.5 strength @@ -571,6 +649,9 @@ static bool gp_brush_pinch_apply(tGP_BrushEditData *gso, bGPDstroke *gps, int i, /* 3) Translate back to original space, with the shrinkage applied */ add_v3_v3v3(&pt->x, gso->dvec, vec); + /* compute lock axis */ + gpsculpt_compute_lock_axis(gso, pt, save_pt); + /* done */ return true; } @@ -582,11 +663,14 @@ static bool gp_brush_pinch_apply(tGP_BrushEditData *gso, bGPDstroke *gps, int i, * convert the rotated point and convert it into "data" space */ -static bool gp_brush_twist_apply(tGP_BrushEditData *gso, bGPDstroke *gps, int i, - const int radius, const int co[2]) +static bool gp_brush_twist_apply( + tGP_BrushEditData *gso, bGPDstroke *gps, int pt_index, + const int radius, const int co[2]) { - bGPDspoint *pt = gps->points + i; + bGPDspoint *pt = gps->points + pt_index; float angle, inf; + float save_pt[3]; + copy_v3_v3(save_pt, &pt->x); /* Angle to rotate by */ inf = gp_brush_influence_calc(gso, radius, co); @@ -615,6 +699,9 @@ static bool gp_brush_twist_apply(tGP_BrushEditData *gso, bGPDstroke *gps, int i, sub_v3_v3v3(vec, &pt->x, gso->dvec); /* make relative to center (center is stored in dvec) */ mul_m3_v3(rmat, vec); add_v3_v3v3(&pt->x, vec, gso->dvec); /* restore */ + + /* compute lock axis */ + gpsculpt_compute_lock_axis(gso, pt, save_pt); } else { const float axis[3] = {0.0f, 0.0f, 1.0f}; @@ -654,10 +741,13 @@ static bool gp_brush_twist_apply(tGP_BrushEditData *gso, bGPDstroke *gps, int i, /* Randomize Brush */ /* Apply some random jitter to the point */ -static bool gp_brush_randomize_apply(tGP_BrushEditData *gso, bGPDstroke *gps, int i, - const int radius, const int co[2]) +static bool gp_brush_randomize_apply( + tGP_BrushEditData *gso, bGPDstroke *gps, int pt_index, + const int radius, const int co[2]) { - bGPDspoint *pt = gps->points + i; + bGPDspoint *pt = gps->points + pt_index; + float save_pt[3]; + copy_v3_v3(save_pt, &pt->x); /* Amount of jitter to apply depends on the distance of the point to the cursor, * as well as the strength of the brush @@ -667,7 +757,8 @@ static bool gp_brush_randomize_apply(tGP_BrushEditData *gso, bGPDstroke *gps, in /* need one flag enabled by default */ if ((gso->settings->flag & (GP_BRUSHEDIT_FLAG_APPLY_POSITION | GP_BRUSHEDIT_FLAG_APPLY_STRENGTH | - GP_BRUSHEDIT_FLAG_APPLY_THICKNESS)) == 0) + GP_BRUSHEDIT_FLAG_APPLY_THICKNESS | + GP_BRUSHEDIT_FLAG_APPLY_UV)) == 0) { gso->settings->flag |= GP_BRUSHEDIT_FLAG_APPLY_POSITION; } @@ -710,6 +801,8 @@ static bool gp_brush_randomize_apply(tGP_BrushEditData *gso, bGPDstroke *gps, in float dvec[3]; ED_view3d_win_to_delta(gso->gsc.ar, svec, dvec, zfac); add_v3_v3(&pt->x, dvec); + /* compute lock axis */ + gpsculpt_compute_lock_axis(gso, pt, save_pt); } } else { @@ -749,11 +842,76 @@ static bool gp_brush_randomize_apply(tGP_BrushEditData *gso, bGPDstroke *gps, in /* only limit lower value */ CLAMP_MIN(pt->pressure, 0.0f); } + /* apply random to UV (use pressure) */ + if (gso->settings->flag & GP_BRUSHEDIT_FLAG_APPLY_UV) { + if (BLI_rng_get_float(gso->rng) > 0.5f) { + pt->uv_rot += fac; + } + else { + pt->uv_rot -= fac; + } + CLAMP(pt->uv_rot, -M_PI_2, M_PI_2); + } /* done */ return true; } +/* Weight Paint Brush */ + +/* Change weight paint for vertex groups */ +static bool gp_brush_weight_apply( + tGP_BrushEditData *gso, bGPDstroke *gps, int pt_index, + const int radius, const int co[2]) +{ + bGPDspoint *pt = gps->points + pt_index; + MDeformVert *dvert = gps->dvert + pt_index; + float inf; + + /* Compute strength of effect + * - We divide the strength by 10, so that users can set "sane" values. + * Otherwise, good default values are in the range of 0.093 + */ + inf = gp_brush_influence_calc(gso, radius, co) / 10.0f; + + /* need a vertex group */ + if (gso->vrgroup == -1) { + if (gso->object) { + BKE_object_defgroup_add(gso->object); + gso->vrgroup = 0; + } + } + /* get current weight */ + float curweight = 0.0f; + for (int i = 0; i < dvert->totweight; i++) { + MDeformWeight *gpw = &dvert->dw[i]; + if (gpw->def_nr == gso->vrgroup) { + curweight = gpw->weight; + break; + } + } + + if (gp_brush_invert_check(gso)) { + /* reduce weight */ + curweight -= inf; + } + else { + /* increase weight */ + curweight += inf; + } + + CLAMP(curweight, 0.0f, 1.0f); + BKE_gpencil_vgroup_add_point_weight(dvert, gso->vrgroup, curweight); + + /* weight should stay within [0.0, 1.0] */ + if (pt->pressure < 0.0f) + pt->pressure = 0.0f; + + return true; +} + + + /* ************************************************ */ /* Non Callback-Based Brushes */ @@ -827,7 +985,7 @@ static void gp_brush_clone_init(bContext *C, tGP_BrushEditData *gso) /* Init colormap for mapping between the pasted stroke's source colour(names) * and the final colours that will be used here instead... */ - data->new_colors = gp_copybuf_validate_colormap(gso->gpd); + data->new_colors = gp_copybuf_validate_colormap(C); } /* Free custom data used for "clone" brush */ @@ -857,9 +1015,12 @@ static void gp_brush_clone_add(bContext *C, tGP_BrushEditData *gso) { tGPSB_CloneBrushData *data = gso->customdata; - Scene *scene = gso->scene; + Object *ob = CTX_data_active_object(C); bGPDlayer *gpl = CTX_data_active_gpencil_layer(C); - bGPDframe *gpf = BKE_gpencil_layer_getframe(gpl, CFRA, true); + Depsgraph *depsgraph = CTX_data_depsgraph(C); + int cfra_eval = (int)DEG_get_ctime(depsgraph); + + bGPDframe *gpf = BKE_gpencil_layer_getframe(gpl, cfra_eval, true); bGPDstroke *gps; float delta[3]; @@ -882,17 +1043,22 @@ static void gp_brush_clone_add(bContext *C, tGP_BrushEditData *gso) new_stroke = MEM_dupallocN(gps); new_stroke->points = MEM_dupallocN(gps->points); + new_stroke->dvert = MEM_dupallocN(gps->dvert); + BKE_gpencil_stroke_weights_duplicate(gps, new_stroke); new_stroke->triangles = MEM_dupallocN(gps->triangles); new_stroke->next = new_stroke->prev = NULL; BLI_addtail(&gpf->strokes, new_stroke); /* Fix color references */ - BLI_assert(new_stroke->colorname[0] != '\0'); - new_stroke->palcolor = BLI_ghash_lookup(data->new_colors, new_stroke->colorname); - - BLI_assert(new_stroke->palcolor != NULL); - BLI_strncpy(new_stroke->colorname, new_stroke->palcolor->info, sizeof(new_stroke->colorname)); + Material *ma = BLI_ghash_lookup(data->new_colors, &new_stroke->mat_nr); + if ((ma) && (BKE_object_material_slot_find_index(ob, ma) > 0)) { + gps->mat_nr = BKE_object_material_slot_find_index(ob, ma) - 1; + CLAMP_MIN(gps->mat_nr, 0); + } + else { + gps->mat_nr = 0; /* only if the color is not found */ + } /* Adjust all the stroke's points, so that the strokes * get pasted relative to where the cursor is now @@ -977,57 +1143,6 @@ static bool gpsculpt_brush_apply_clone(bContext *C, tGP_BrushEditData *gso) } /* ************************************************ */ -/* Cursor drawing */ - -/* Helper callback for drawing the cursor itself */ -static void gp_brush_drawcursor(bContext *C, int x, int y, void *UNUSED(customdata)) -{ - GP_EditBrush_Data *brush = gpsculpt_get_brush(CTX_data_scene(C)); - - if (brush) { - GPUVertFormat *format = immVertexFormat(); - uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT); - immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR); - - GPU_line_smooth(true); - GPU_blend(true); - - /* Inner Ring: Light color for action of the brush */ - /* TODO: toggle between add and remove? */ - immUniformColor4ub(255, 255, 255, 200); - imm_draw_circle_wire_2d(pos, x, y, brush->size, 40); - - /* Outer Ring: Dark color for contrast on light backgrounds (e.g. gray on white) */ - immUniformColor3ub(30, 30, 30); - imm_draw_circle_wire_2d(pos, x, y, brush->size + 1, 40); - - immUnbindProgram(); - - GPU_blend(false); - GPU_line_smooth(false); - } -} - -/* Turn brush cursor in on/off */ -static void gpencil_toggle_brush_cursor(bContext *C, bool enable) -{ - GP_BrushEdit_Settings *gset = gpsculpt_get_settings(CTX_data_scene(C)); - - if (gset->paintcursor && !enable) { - /* clear cursor */ - WM_paint_cursor_end(CTX_wm_manager(C), gset->paintcursor); - gset->paintcursor = NULL; - } - else if (enable) { - /* enable cursor */ - gset->paintcursor = WM_paint_cursor_activate(CTX_wm_manager(C), - NULL, - gp_brush_drawcursor, NULL); - } -} - - -/* ************************************************ */ /* Header Info for GPencil Sculpt */ static void gpsculpt_brush_header_set(bContext *C, tGP_BrushEditData *gso) @@ -1054,17 +1169,40 @@ static void gpsculpt_brush_header_set(bContext *C, tGP_BrushEditData *gso) static bool gpsculpt_brush_init(bContext *C, wmOperator *op) { Scene *scene = CTX_data_scene(C); + ToolSettings *ts = CTX_data_tool_settings(C); + Object *ob = CTX_data_active_object(C); + + const bool is_weight_mode = ob->mode == OB_MODE_GPENCIL_WEIGHT; + /* set the brush using the tool */ + GP_BrushEdit_Settings *gset = &ts->gp_sculpt; + eGP_EditBrush_Types mode = RNA_enum_get(op->ptr, "mode"); + const bool keep_brush = RNA_boolean_get(op->ptr, "keep_brush"); + + if (!keep_brush) { + if (is_weight_mode) { + gset->weighttype = mode; + } + else { + gset->brushtype = mode; + } + } tGP_BrushEditData *gso; /* setup operator data */ gso = MEM_callocN(sizeof(tGP_BrushEditData), "tGP_BrushEditData"); op->customdata = gso; + gso->depsgraph = CTX_data_depsgraph(C); /* store state */ gso->settings = gpsculpt_get_settings(scene); - gso->brush = gpsculpt_get_brush(scene); + gso->brush = gpsculpt_get_brush(scene, is_weight_mode); - gso->brush_type = gso->settings->brushtype; + if (is_weight_mode) { + gso->brush_type = gso->settings->weighttype; + } + else { + gso->brush_type = gso->settings->brushtype; + } /* Random generator, only init once. */ uint rng_seed = (uint)(PIL_check_seconds_timer_i() & UINT_MAX); @@ -1078,10 +1216,31 @@ static bool gpsculpt_brush_init(bContext *C, wmOperator *op) gso->cfra = INT_MAX; /* NOTE: So that first stroke will get handled in init_stroke() */ gso->scene = scene; + gso->object = ob; + if (ob) { + gso->vrgroup = ob->actdef - 1; + if (!BLI_findlink(&ob->defbase, gso->vrgroup)) { + gso->vrgroup = -1; + } + } + else { + gso->vrgroup = - 1; + } gso->sa = CTX_wm_area(C); gso->ar = CTX_wm_region(C); + /* multiframe settings */ + gso->is_multiframe = (bool)GPENCIL_MULTIEDIT_SESSIONS_ON(gso->gpd); + gso->use_multiframe_falloff = (ts->gp_sculpt.flag & GP_BRUSHEDIT_FLAG_FRAME_FALLOFF) != 0; + + /* init multiedit falloff curve data before doing anything, + * so we won't have to do it again later + */ + if (gso->is_multiframe) { + curvemapping_initialize(ts->gp_sculpt.cur_falloff); + } + /* initialise custom data for brushes */ switch (gso->brush_type) { case GP_EDITBRUSH_TYPE_CLONE: @@ -1133,9 +1292,10 @@ static bool gpsculpt_brush_init(bContext *C, wmOperator *op) gpsculpt_brush_header_set(C, gso); /* setup cursor drawing */ - WM_cursor_modal_set(CTX_wm_window(C), BC_CROSSCURSOR); - gpencil_toggle_brush_cursor(C, true); - + //WM_cursor_modal_set(CTX_wm_window(C), BC_CROSSCURSOR); + if (gso->sa->spacetype != SPACE_VIEW3D) { + ED_gpencil_toggle_brush_cursor(C, true, NULL); + } return true; } @@ -1179,7 +1339,12 @@ static void gpsculpt_brush_exit(bContext *C, wmOperator *op) /* disable cursor and headerprints */ ED_workspace_status_text(C, NULL); WM_cursor_modal_restore(win); - gpencil_toggle_brush_cursor(C, false); + if (gso->sa->spacetype != SPACE_VIEW3D) { + ED_gpencil_toggle_brush_cursor(C, false, NULL); + } + + /* disable temp invert flag */ + gso->brush->flag &= ~GP_EDITBRUSH_FLAG_TMP_INVERT; /* free operator data */ MEM_freeN(gso); @@ -1197,13 +1362,13 @@ static bool gpsculpt_brush_poll(bContext *C) static void gpsculpt_brush_init_stroke(tGP_BrushEditData *gso) { - Scene *scene = gso->scene; bGPdata *gpd = gso->gpd; + bGPDlayer *gpl; - int cfra = CFRA; + int cfra_eval = (int)DEG_get_ctime(gso->depsgraph); /* only try to add a new frame if this is the first stroke, or the frame has changed */ - if ((gpd == NULL) || (cfra == gso->cfra)) + if ((gpd == NULL) || (cfra_eval == gso->cfra)) return; /* go through each layer, and ensure that we've got a valid frame to use */ @@ -1217,21 +1382,21 @@ static void gpsculpt_brush_init_stroke(tGP_BrushEditData *gso) * spent too much time editing the wrong frame... */ // XXX: should this be allowed when framelock is enabled? - if (gpf->framenum != cfra) { - BKE_gpencil_frame_addcopy(gpl, cfra); + if (gpf->framenum != cfra_eval) { + BKE_gpencil_frame_addcopy(gpl, cfra_eval); } } } /* save off new current frame, so that next update works fine */ - gso->cfra = cfra; + gso->cfra = cfra_eval; } /* Apply ----------------------------------------------- */ /* Apply brush operation to points in this stroke */ static bool gpsculpt_brush_do_stroke( - tGP_BrushEditData *gso, bGPDstroke *gps, bool parented, + tGP_BrushEditData *gso, bGPDstroke *gps, float diff_mat[4][4], GP_BrushApplyCb apply) { GP_SpaceConversion *gsc = &gso->gsc; @@ -1246,14 +1411,9 @@ static bool gpsculpt_brush_do_stroke( bool changed = false; if (gps->totpoints == 1) { - if (!parented) { - gp_point_to_xy(gsc, gps, gps->points, &pc1[0], &pc1[1]); - } - else { - bGPDspoint pt_temp; - gp_point_to_parent_space(gps->points, diff_mat, &pt_temp); - gp_point_to_xy(gsc, gps, &pt_temp, &pc1[0], &pc1[1]); - } + bGPDspoint pt_temp; + gp_point_to_parent_space(gps->points, diff_mat, &pt_temp); + gp_point_to_xy(gsc, gps, &pt_temp, &pc1[0], &pc1[1]); /* do boundbox check first */ if ((!ELEM(V2D_IS_CLIPPED, pc1[0], pc1[1])) && BLI_rcti_isect_pt(rect, pc1[0], pc1[1])) { @@ -1280,19 +1440,12 @@ static bool gpsculpt_brush_do_stroke( continue; } } - if (!parented) { - gp_point_to_xy(gsc, gps, pt1, &pc1[0], &pc1[1]); - gp_point_to_xy(gsc, gps, pt2, &pc2[0], &pc2[1]); - } - else { - bGPDspoint npt; - gp_point_to_parent_space(pt1, diff_mat, &npt); - gp_point_to_xy(gsc, gps, &npt, &pc1[0], &pc1[1]); - - gp_point_to_parent_space(pt2, diff_mat, &npt); - gp_point_to_xy(gsc, gps, &npt, &pc2[0], &pc2[1]); - } + bGPDspoint npt; + gp_point_to_parent_space(pt1, diff_mat, &npt); + gp_point_to_xy(gsc, gps, &npt, &pc1[0], &pc1[1]); + gp_point_to_parent_space(pt2, diff_mat, &npt); + gp_point_to_xy(gsc, gps, &npt, &pc2[0], &pc2[1]); /* Check that point segment of the boundbox of the selection stroke */ if (((!ELEM(V2D_IS_CLIPPED, pc1[0], pc1[1])) && BLI_rcti_isect_pt(rect, pc1[0], pc1[1])) || @@ -1342,9 +1495,114 @@ static bool gpsculpt_brush_do_stroke( return changed; } +/* Apply sculpt brushes to strokes in the given frame */ +static bool gpsculpt_brush_do_frame( + bContext *C, tGP_BrushEditData *gso, + bGPDlayer *gpl, bGPDframe *gpf, + float diff_mat[4][4]) +{ + bool changed = false; + Object *ob = CTX_data_active_object(C); + + for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) { + /* skip strokes that are invalid for current view */ + if (ED_gpencil_stroke_can_use(C, gps) == false) { + continue; + } + /* check if the color is editable */ + if (ED_gpencil_stroke_color_use(ob, gpl, gps) == false) { + continue; + } + + switch (gso->brush_type) { + case GP_EDITBRUSH_TYPE_SMOOTH: /* Smooth strokes */ + { + changed |= gpsculpt_brush_do_stroke(gso, gps, diff_mat, gp_brush_smooth_apply); + break; + } + + case GP_EDITBRUSH_TYPE_THICKNESS: /* Adjust stroke thickness */ + { + changed |= gpsculpt_brush_do_stroke(gso, gps, diff_mat, gp_brush_thickness_apply); + break; + } + + case GP_EDITBRUSH_TYPE_STRENGTH: /* Adjust stroke color strength */ + { + changed |= gpsculpt_brush_do_stroke(gso, gps, diff_mat, gp_brush_strength_apply); + break; + } + + case GP_EDITBRUSH_TYPE_GRAB: /* Grab points */ + { + if (gso->first) { + /* First time this brush stroke is being applied: + * 1) Prepare data buffers (init/clear) for this stroke + * 2) Use the points now under the cursor + */ + gp_brush_grab_stroke_init(gso, gps); + changed |= gpsculpt_brush_do_stroke(gso, gps, diff_mat, gp_brush_grab_store_points); + } + else { + /* Apply effect to the stored points */ + gp_brush_grab_apply_cached(gso, gps, diff_mat); + changed |= true; + } + break; + } + + case GP_EDITBRUSH_TYPE_PUSH: /* Push points */ + { + changed |= gpsculpt_brush_do_stroke(gso, gps, diff_mat, gp_brush_push_apply); + break; + } + + case GP_EDITBRUSH_TYPE_PINCH: /* Pinch points */ + { + changed |= gpsculpt_brush_do_stroke(gso, gps, diff_mat, gp_brush_pinch_apply); + break; + } + + case GP_EDITBRUSH_TYPE_TWIST: /* Twist points around midpoint */ + { + changed |= gpsculpt_brush_do_stroke(gso, gps, diff_mat, gp_brush_twist_apply); + break; + } + + case GP_EDITBRUSH_TYPE_RANDOMIZE: /* Apply jitter */ + { + changed |= gpsculpt_brush_do_stroke(gso, gps, diff_mat, gp_brush_randomize_apply); + break; + } + + case GP_EDITBRUSH_TYPE_WEIGHT: /* Adjust vertex group weight */ + { + changed |= gpsculpt_brush_do_stroke(gso, gps, diff_mat, gp_brush_weight_apply); + break; + } + + + default: + printf("ERROR: Unknown type of GPencil Sculpt brush - %u\n", gso->brush_type); + break; + } + /* Triangulation must be calculated if changed */ + if (changed) { + gps->flag |= GP_STROKE_RECALC_CACHES; + gps->tot_triangles = 0; + } + } + + return changed; +} + /* Perform two-pass brushes which modify the existing strokes */ static bool gpsculpt_brush_apply_standard(bContext *C, tGP_BrushEditData *gso) { + ToolSettings *ts = CTX_data_tool_settings(C); + Depsgraph *depsgraph = CTX_data_depsgraph(C); \ + Object *obact = gso->object; + bGPdata *gpd = gso->gpd; bool changed = false; /* Calculate brush-specific data which applies equally to all points */ @@ -1378,104 +1636,53 @@ static bool gpsculpt_brush_apply_standard(bContext *C, tGP_BrushEditData *gso) /* Find visible strokes, and perform operations on those if hit */ - float diff_mat[4][4]; - bool parented = false; - CTX_DATA_BEGIN(C, bGPDlayer *, gpl, editable_gpencil_layers) { - bGPDframe *gpf = gpl->actframe; - if (gpf == NULL) + /* If no active frame, don't do anything... */ + if (gpl->actframe == NULL) { continue; - - /* calculate difference matrix if parent object */ - if (gpl->parent != NULL) { - ED_gpencil_parent_location(gpl, diff_mat); - parented = true; } - else { - parented = false; - } - - for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) { - /* skip strokes that are invalid for current view */ - if (ED_gpencil_stroke_can_use(C, gps) == false) - continue; - /* check if the color is editable */ - if (ED_gpencil_stroke_color_use(gpl, gps) == false) { - continue; - } - switch (gso->brush_type) { - case GP_EDITBRUSH_TYPE_SMOOTH: /* Smooth strokes */ - { - changed |= gpsculpt_brush_do_stroke(gso, gps, parented, diff_mat, gp_brush_smooth_apply); - break; - } + /* calculate difference matrix */ + float diff_mat[4][4]; + ED_gpencil_parent_location(depsgraph, obact, gpd, gpl, diff_mat); - case GP_EDITBRUSH_TYPE_THICKNESS: /* Adjust stroke thickness */ - { - changed |= gpsculpt_brush_do_stroke(gso, gps, parented, diff_mat, gp_brush_thickness_apply); - break; - } + /* Active Frame or MultiFrame? */ + if (gso->is_multiframe) { + /* init multiframe falloff options */ + int f_init = 0; + int f_end = 0; - case GP_EDITBRUSH_TYPE_STRENGTH: /* Adjust stroke color strength */ - { - changed |= gpsculpt_brush_do_stroke(gso, gps, parented, diff_mat, gp_brush_strength_apply); - break; - } + if (gso->use_multiframe_falloff) { + BKE_gpencil_get_range_selected(gpl, &f_init, &f_end); + } - case GP_EDITBRUSH_TYPE_GRAB: /* Grab points */ - { - if (gso->first) { - /* First time this brush stroke is being applied: - * 1) Prepare data buffers (init/clear) for this stroke - * 2) Use the points now under the cursor - */ - gp_brush_grab_stroke_init(gso, gps); - changed |= gpsculpt_brush_do_stroke(gso, gps, parented, diff_mat, gp_brush_grab_store_points); + for (bGPDframe *gpf = gpl->frames.first; gpf; gpf = gpf->next) { + /* Always do active frame; Otherwise, only include selected frames */ + if ((gpf == gpl->actframe) || (gpf->flag & GP_FRAME_SELECT)) { + /* compute multiframe falloff factor */ + if (gso->use_multiframe_falloff) { + /* Faloff depends on distance to active frame (relative to the overall frame range) */ + gso->mf_falloff = BKE_gpencil_multiframe_falloff_calc( + gpf, gpl->actframe->framenum, + f_init, f_end, + ts->gp_sculpt.cur_falloff); } else { - /* Apply effect to the stored points */ - gp_brush_grab_apply_cached(gso, gps, parented, diff_mat); - changed |= true; + /* No falloff */ + gso->mf_falloff = 1.0f; } - break; - } - - case GP_EDITBRUSH_TYPE_PUSH: /* Push points */ - { - changed |= gpsculpt_brush_do_stroke(gso, gps, parented, diff_mat, gp_brush_push_apply); - break; - } - - case GP_EDITBRUSH_TYPE_PINCH: /* Pinch points */ - { - changed |= gpsculpt_brush_do_stroke(gso, gps, parented, diff_mat, gp_brush_pinch_apply); - break; - } - case GP_EDITBRUSH_TYPE_TWIST: /* Twist points around midpoint */ - { - changed |= gpsculpt_brush_do_stroke(gso, gps, parented, diff_mat, gp_brush_twist_apply); - break; + /* affect strokes in this frame */ + changed |= gpsculpt_brush_do_frame(C, gso, gpl, gpf, diff_mat); } - - case GP_EDITBRUSH_TYPE_RANDOMIZE: /* Apply jitter */ - { - changed |= gpsculpt_brush_do_stroke(gso, gps, parented, diff_mat, gp_brush_randomize_apply); - break; - } - - default: - printf("ERROR: Unknown type of GPencil Sculpt brush - %u\n", gso->brush_type); - break; - } - /* Triangulation must be calculated if changed */ - if (changed) { - gps->flag |= GP_STROKE_RECALC_CACHES; - gps->tot_triangles = 0; } } + else { + /* Apply to active frame's strokes */ + gso->mf_falloff = 1.0f; + changed |= gpsculpt_brush_do_frame(C, gso, gpl, gpl->actframe, diff_mat); + } } CTX_DATA_END; @@ -1529,6 +1736,7 @@ static void gpsculpt_brush_apply(bContext *C, wmOperator *op, PointerRNA *itempt /* Updates */ if (changed) { + DEG_id_tag_update(&gso->gpd->id, OB_RECALC_DATA); WM_event_add_notifier(C, NC_GPENCIL | ND_DATA | NA_EDITED, NULL); } @@ -1852,6 +2060,7 @@ static int gpsculpt_brush_modal(bContext *C, wmOperator *op, const wmEvent *even /* Redraw toolsettings (brush settings)? */ if (redraw_toolsettings) { + DEG_id_tag_update(&gso->gpd->id, OB_RECALC_DATA); WM_event_add_notifier(C, NC_SCENE | ND_TOOLSETTINGS, NULL); } @@ -1860,6 +2069,19 @@ static int gpsculpt_brush_modal(bContext *C, wmOperator *op, const wmEvent *even /* Operator --------------------------------------------- */ +static const EnumPropertyItem prop_gpencil_sculpt_brush_items[] = { + {GP_EDITBRUSH_TYPE_SMOOTH, "SMOOTH", 0, "Smooth", "Smooth stroke points" }, + {GP_EDITBRUSH_TYPE_THICKNESS, "THICKNESS", 0, "Thickness", "Adjust thickness of strokes" }, + {GP_EDITBRUSH_TYPE_STRENGTH, "STRENGTH", 0, "Strength", "Adjust color strength of strokes" }, + {GP_EDITBRUSH_TYPE_GRAB, "GRAB", 0, "Grab", "Translate the set of points initially within the brush circle" }, + {GP_EDITBRUSH_TYPE_PUSH, "PUSH", 0, "Push", "Move points out of the way, as if combing them" }, + {GP_EDITBRUSH_TYPE_TWIST, "TWIST", 0, "Twist", "Rotate points around the midpoint of the brush" }, + {GP_EDITBRUSH_TYPE_PINCH, "PINCH", 0, "Pinch", "Pull points towards the midpoint of the brush" }, + {GP_EDITBRUSH_TYPE_RANDOMIZE, "RANDOMIZE", 0, "Randomize", "Introduce jitter/randomness into strokes" }, + {GP_EDITBRUSH_TYPE_CLONE, "CLONE", 0, "Clone", "Paste copies of the strokes stored on the clipboard" }, + {GP_EDITBRUSH_TYPE_WEIGHT, "WEIGHT", 0, "Weight", "Weight Paint" }, + {0, NULL, 0, NULL, NULL } +}; void GPENCIL_OT_brush_paint(wmOperatorType *ot) { @@ -1879,13 +2101,20 @@ void GPENCIL_OT_brush_paint(wmOperatorType *ot) ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO | OPTYPE_BLOCKING; /* properties */ + ot->prop = RNA_def_enum(ot->srna, "mode", prop_gpencil_sculpt_brush_items, 0, "Mode", "Brush mode"); + RNA_def_property_flag(ot->prop, PROP_HIDDEN | PROP_SKIP_SAVE); + PropertyRNA *prop; prop = RNA_def_collection_runtime(ot->srna, "stroke", &RNA_OperatorStrokeElement, "Stroke", ""); RNA_def_property_flag(prop, PROP_HIDDEN | PROP_SKIP_SAVE); prop = RNA_def_boolean(ot->srna, "wait_for_input", true, "Wait for Input", "Enter a mini 'sculpt-mode' if enabled, otherwise, exit after drawing a single stroke"); - RNA_def_property_flag(prop, PROP_SKIP_SAVE); + RNA_def_property_flag(prop, PROP_HIDDEN | PROP_SKIP_SAVE); + + prop = RNA_def_boolean(ot->srna, "keep_brush", false, "Keep Brush", + "Keep current brush activated"); + RNA_def_property_flag(prop, PROP_HIDDEN | PROP_SKIP_SAVE); } /* ************************************************ */ |