4 * ***** BEGIN GPL LICENSE BLOCK *****
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
21 * All rights reserved.
23 * The Original Code is: all of this file.
25 * Contributor(s): none yet.
27 * ***** END GPL LICENSE BLOCK *****
30 /** \file blender/editors/sculpt_paint/paint_vertex.c
44 #include "MEM_guardedalloc.h"
46 #include "BLI_blenlib.h"
48 #include "BLI_utildefines.h"
49 #include "BLI_ghash.h"
51 #include "IMB_imbuf.h"
52 #include "IMB_imbuf_types.h"
54 #include "DNA_armature_types.h"
55 #include "DNA_mesh_types.h"
56 #include "DNA_particle_types.h"
57 #include "DNA_scene_types.h"
58 #include "DNA_brush_types.h"
59 #include "DNA_object_types.h"
60 #include "DNA_meshdata_types.h"
62 #include "RNA_access.h"
63 #include "RNA_define.h"
65 #include "BKE_DerivedMesh.h"
66 #include "BKE_action.h"
67 #include "BKE_brush.h"
68 #include "BKE_context.h"
69 #include "BKE_depsgraph.h"
70 #include "BKE_deform.h"
72 #include "BKE_modifier.h"
73 #include "BKE_object.h"
74 #include "BKE_paint.h"
80 #include "ED_armature.h"
82 #include "ED_screen.h"
83 #include "ED_view3d.h"
85 #include "paint_intern.h"
87 /* brush->vertexpaint_tool */
96 /* polling - retrieve whether cursor should be set or operator should be done */
99 /* Returns true if vertex paint mode is active */
100 int vertex_paint_mode_poll(bContext *C)
102 Object *ob = CTX_data_active_object(C);
104 return ob && ob->mode == OB_MODE_VERTEX_PAINT && ((Mesh *)ob->data)->totface;
107 int vertex_paint_poll(bContext *C)
109 if(vertex_paint_mode_poll(C) &&
110 paint_brush(&CTX_data_tool_settings(C)->vpaint->paint)) {
111 ScrArea *sa= CTX_wm_area(C);
112 if(sa->spacetype==SPACE_VIEW3D) {
113 ARegion *ar= CTX_wm_region(C);
114 if(ar->regiontype==RGN_TYPE_WINDOW)
121 int weight_paint_mode_poll(bContext *C)
123 Object *ob = CTX_data_active_object(C);
125 return ob && ob->mode == OB_MODE_WEIGHT_PAINT && ((Mesh *)ob->data)->totface;
128 int weight_paint_poll(bContext *C)
130 Object *ob= CTX_data_active_object(C);
134 (ob->mode & OB_MODE_WEIGHT_PAINT) &&
135 (paint_brush(&CTX_data_tool_settings(C)->wpaint->paint) != NULL) &&
136 (sa= CTX_wm_area(C)) &&
137 (sa->spacetype == SPACE_VIEW3D)
139 ARegion *ar= CTX_wm_region(C);
140 if(ar->regiontype==RGN_TYPE_WINDOW) {
147 static VPaint *new_vpaint(int wpaint)
149 VPaint *vp= MEM_callocN(sizeof(VPaint), "VPaint");
151 vp->flag= VP_AREA+VP_SPRAY;
159 static int *get_indexarray(Mesh *me)
161 return MEM_mallocN(sizeof(int)*(me->totface+1), "vertexpaint");
165 /* in contradiction to cpack drawing colors, the MCOL colors (vpaint colors) are per byte!
166 so not endian sensitive. Mcol = ABGR!!! so be cautious with cpack calls */
168 static unsigned int rgba_to_mcol(float r, float g, float b, float a)
174 ir= floor(255.0f * r);
175 if(ir<0) ir= 0; else if(ir>255) ir= 255;
176 ig= floor(255.0f * g);
177 if(ig<0) ig= 0; else if(ig>255) ig= 255;
178 ib= floor(255.0f * b);
179 if(ib<0) ib= 0; else if(ib>255) ib= 255;
180 ia= floor(255.0f * a);
181 if(ia<0) ia= 0; else if(ia>255) ia= 255;
193 unsigned int vpaint_get_current_col(VPaint *vp)
195 Brush *brush = paint_brush(&vp->paint);
196 return rgba_to_mcol(brush->rgb[0], brush->rgb[1], brush->rgb[2], 1.0f);
199 static void do_shared_vertexcol(Mesh *me)
201 /* if no mcol: do not do */
202 /* if tface: only the involved faces, otherwise all */
206 short *scolmain, *scol;
209 if(me->mcol==NULL || me->totvert==0 || me->totface==0) return;
211 scolmain= MEM_callocN(4*sizeof(short)*me->totvert, "colmain");
215 mcol= (char *)me->mcol;
216 for(a=me->totface; a>0; a--, mface++, mcol+=16) {
217 if((tface && tface->mode & TF_SHAREDCOL) || (me->editflag & ME_EDIT_PAINT_MASK)==0) {
218 scol= scolmain+4*mface->v1;
219 scol[0]++; scol[1]+= mcol[1]; scol[2]+= mcol[2]; scol[3]+= mcol[3];
220 scol= scolmain+4*mface->v2;
221 scol[0]++; scol[1]+= mcol[5]; scol[2]+= mcol[6]; scol[3]+= mcol[7];
222 scol= scolmain+4*mface->v3;
223 scol[0]++; scol[1]+= mcol[9]; scol[2]+= mcol[10]; scol[3]+= mcol[11];
225 scol= scolmain+4*mface->v4;
226 scol[0]++; scol[1]+= mcol[13]; scol[2]+= mcol[14]; scol[3]+= mcol[15];
245 mcol= (char *)me->mcol;
246 for(a=me->totface; a>0; a--, mface++, mcol+=16) {
247 if((tface && tface->mode & TF_SHAREDCOL) || (me->editflag & ME_EDIT_PAINT_MASK)==0) {
248 scol= scolmain+4*mface->v1;
249 mcol[1]= scol[1]; mcol[2]= scol[2]; mcol[3]= scol[3];
250 scol= scolmain+4*mface->v2;
251 mcol[5]= scol[1]; mcol[6]= scol[2]; mcol[7]= scol[3];
252 scol= scolmain+4*mface->v3;
253 mcol[9]= scol[1]; mcol[10]= scol[2]; mcol[11]= scol[3];
255 scol= scolmain+4*mface->v4;
256 mcol[13]= scol[1]; mcol[14]= scol[2]; mcol[15]= scol[3];
265 static void make_vertexcol(Object *ob) /* single ob */
268 if(!ob || ob->id.lib) return;
271 if(me->edit_mesh) return;
273 /* copies from shadedisplist to mcol */
275 CustomData_add_layer(&me->fdata, CD_MCOL, CD_CALLOC, NULL, me->totface);
276 mesh_update_customdata_pointers(me);
280 // shadeMeshMCol(scene, ob, me);
283 memset(me->mcol, 255, 4*sizeof(MCol)*me->totface);
285 DAG_id_tag_update(&me->id, 0);
289 static void copy_vpaint_prev(VPaint *vp, unsigned int *mcol, int tot)
291 if(vp->vpaint_prev) {
292 MEM_freeN(vp->vpaint_prev);
293 vp->vpaint_prev= NULL;
297 if(mcol==NULL || tot==0) return;
299 vp->vpaint_prev= MEM_mallocN(4*sizeof(int)*tot, "vpaint_prev");
300 memcpy(vp->vpaint_prev, mcol, 4*sizeof(int)*tot);
304 static void copy_wpaint_prev (VPaint *wp, MDeformVert *dverts, int dcount)
306 if (wp->wpaint_prev) {
307 free_dverts(wp->wpaint_prev, wp->tot);
308 wp->wpaint_prev= NULL;
311 if(dverts && dcount) {
313 wp->wpaint_prev = MEM_mallocN (sizeof(MDeformVert)*dcount, "wpaint prev");
315 copy_dverts (wp->wpaint_prev, dverts, dcount);
320 void vpaint_fill(Object *ob, unsigned int paintcol)
328 if(me==NULL || me->totface==0) return;
333 selected= (me->editflag & ME_EDIT_PAINT_MASK);
336 mcol = (unsigned int*)me->mcol;
337 for (i = 0; i < me->totface; i++, mf++, mcol+=4) {
338 if (!selected || mf->flag & ME_FACE_SEL) {
346 DAG_id_tag_update(&me->id, 0);
350 /* fills in the selected faces with the current weight and vertex group */
351 void wpaint_fill(VPaint *wp, Object *ob, float paintweight)
355 MDeformWeight *dw, *uw;
358 unsigned int faceverts[5]={0,0,0,0,0};
360 int vgroup_mirror= -1;
364 if(me==NULL || me->totface==0 || me->dvert==NULL || !me->mface) return;
366 selected= (me->editflag & ME_EDIT_PAINT_MASK);
368 indexar= get_indexarray(me);
371 for(index=0, mface=me->mface; index<me->totface; index++, mface++) {
372 if((mface->flag & ME_FACE_SEL)==0)
375 indexar[index]= index+1;
379 for(index=0; index<me->totface; index++)
380 indexar[index]= index+1;
383 vgroup= ob->actdef-1;
385 /* directly copied from weight_paint, should probaby split into a separate function */
386 /* if mirror painting, find the other group */
387 if(me->editflag & ME_EDIT_MIRROR_X) {
388 bDeformGroup *defgroup= BLI_findlink(&ob->defbase, ob->actdef-1);
390 bDeformGroup *curdef;
394 flip_side_name(name, defgroup->name, FALSE);
396 for (curdef = ob->defbase.first; curdef; curdef=curdef->next, actdef++)
397 if (!strcmp(curdef->name, name))
400 int olddef= ob->actdef; /* tsk, ED_vgroup_add sets the active defgroup */
401 curdef= ED_vgroup_add_name (ob, name);
405 if(curdef && curdef!=defgroup)
406 vgroup_mirror= actdef;
409 /* end copy from weight_paint*/
411 copy_wpaint_prev(wp, me->dvert, me->totvert);
413 for(index=0; index<me->totface; index++) {
414 if(indexar[index] && indexar[index]<=me->totface) {
415 mface= me->mface + (indexar[index]-1);
416 /* just so we can loop through the verts */
417 faceverts[0]= mface->v1;
418 faceverts[1]= mface->v2;
419 faceverts[2]= mface->v3;
420 faceverts[3]= mface->v4;
421 for (i=0; i<3 || faceverts[i]; i++) {
422 if(!((me->dvert+faceverts[i])->flag)) {
423 dw= defvert_verify_index(me->dvert+faceverts[i], vgroup);
425 uw= defvert_verify_index(wp->wpaint_prev+faceverts[i], vgroup);
426 uw->weight= dw->weight; /* set the undo weight */
427 dw->weight= paintweight;
429 if(me->editflag & ME_EDIT_MIRROR_X) { /* x mirror painting */
430 int j= mesh_get_x_mirror_vert(ob, faceverts[i]);
432 /* copy, not paint again */
433 if(vgroup_mirror != -1) {
434 dw= defvert_verify_index(me->dvert+j, vgroup_mirror);
435 uw= defvert_verify_index(wp->wpaint_prev+j, vgroup_mirror);
437 dw= defvert_verify_index(me->dvert+j, vgroup);
438 uw= defvert_verify_index(wp->wpaint_prev+j, vgroup);
440 uw->weight= dw->weight; /* set the undo weight */
441 dw->weight= paintweight;
445 (me->dvert+faceverts[i])->flag= 1;
452 while (index<me->totvert) {
453 (me->dvert+index)->flag= 0;
458 copy_wpaint_prev(wp, NULL, 0);
460 DAG_id_tag_update(&me->id, 0);
463 /* XXX: should be re-implemented as a vertex/weight paint 'color correct' operator
465 void vpaint_dogamma(Scene *scene)
467 VPaint *vp= scene->toolsettings->vpaint;
472 unsigned char *cp, gamtab[256];
477 if(!(ob->mode & OB_MODE_VERTEX_PAINT)) return;
478 if(me==0 || me->mcol==0 || me->totface==0) return;
481 for(a=0; a<256; a++) {
483 fac= ((float)a)/255.0;
484 fac= vp->mul*pow( fac, igam);
488 if(temp<=0) gamtab[a]= 0;
489 else if(temp>=255) gamtab[a]= 255;
490 else gamtab[a]= temp;
494 cp= (unsigned char *)me->mcol;
497 cp[1]= gamtab[ cp[1] ];
498 cp[2]= gamtab[ cp[2] ];
499 cp[3]= gamtab[ cp[3] ];
506 static unsigned int mcol_blend(unsigned int col1, unsigned int col2, int fac)
508 char *cp1, *cp2, *cp;
512 if(fac==0) return col1;
513 if(fac>=255) return col2;
522 cp[1]= (mfac*cp1[1]+fac*cp2[1])/255;
523 cp[2]= (mfac*cp1[2]+fac*cp2[2])/255;
524 cp[3]= (mfac*cp1[3]+fac*cp2[3])/255;
529 static unsigned int mcol_add(unsigned int col1, unsigned int col2, int fac)
531 char *cp1, *cp2, *cp;
535 if(fac==0) return col1;
542 temp= cp1[1] + ((fac*cp2[1])/255);
543 if(temp>254) cp[1]= 255; else cp[1]= temp;
544 temp= cp1[2] + ((fac*cp2[2])/255);
545 if(temp>254) cp[2]= 255; else cp[2]= temp;
546 temp= cp1[3] + ((fac*cp2[3])/255);
547 if(temp>254) cp[3]= 255; else cp[3]= temp;
552 static unsigned int mcol_sub(unsigned int col1, unsigned int col2, int fac)
554 char *cp1, *cp2, *cp;
558 if(fac==0) return col1;
565 temp= cp1[1] - ((fac*cp2[1])/255);
566 if(temp<0) cp[1]= 0; else cp[1]= temp;
567 temp= cp1[2] - ((fac*cp2[2])/255);
568 if(temp<0) cp[2]= 0; else cp[2]= temp;
569 temp= cp1[3] - ((fac*cp2[3])/255);
570 if(temp<0) cp[3]= 0; else cp[3]= temp;
575 static unsigned int mcol_mul(unsigned int col1, unsigned int col2, int fac)
577 char *cp1, *cp2, *cp;
581 if(fac==0) return col1;
589 /* first mul, then blend the fac */
591 cp[1]= (mfac*cp1[1] + fac*((cp2[1]*cp1[1])/255) )/255;
592 cp[2]= (mfac*cp1[2] + fac*((cp2[2]*cp1[2])/255) )/255;
593 cp[3]= (mfac*cp1[3] + fac*((cp2[3]*cp1[3])/255) )/255;
599 static unsigned int mcol_lighten(unsigned int col1, unsigned int col2, int fac)
601 char *cp1, *cp2, *cp;
605 if(fac==0) return col1;
606 if(fac>=255) return col2;
614 /* See if are lighter, if so mix, else dont do anything.
615 if the paint col is darker then the original, then ignore */
616 if (cp1[1]+cp1[2]+cp1[3] > cp2[1]+cp2[2]+cp2[3])
620 cp[1]= (mfac*cp1[1]+fac*cp2[1])/255;
621 cp[2]= (mfac*cp1[2]+fac*cp2[2])/255;
622 cp[3]= (mfac*cp1[3]+fac*cp2[3])/255;
627 static unsigned int mcol_darken(unsigned int col1, unsigned int col2, int fac)
629 char *cp1, *cp2, *cp;
633 if(fac==0) return col1;
634 if(fac>=255) return col2;
642 /* See if were darker, if so mix, else dont do anything.
643 if the paint col is brighter then the original, then ignore */
644 if (cp1[1]+cp1[2]+cp1[3] < cp2[1]+cp2[2]+cp2[3])
648 cp[1]= (mfac*cp1[1]+fac*cp2[1])/255;
649 cp[2]= (mfac*cp1[2]+fac*cp2[2])/255;
650 cp[3]= (mfac*cp1[3]+fac*cp2[3])/255;
654 static void vpaint_blend(VPaint *vp, unsigned int *col, unsigned int *colorig, unsigned int paintcol, int alpha)
656 Brush *brush = paint_brush(&vp->paint);
658 if(brush->vertexpaint_tool==VP_MIX || brush->vertexpaint_tool==VP_BLUR) *col= mcol_blend( *col, paintcol, alpha);
659 else if(brush->vertexpaint_tool==VP_ADD) *col= mcol_add( *col, paintcol, alpha);
660 else if(brush->vertexpaint_tool==VP_SUB) *col= mcol_sub( *col, paintcol, alpha);
661 else if(brush->vertexpaint_tool==VP_MUL) *col= mcol_mul( *col, paintcol, alpha);
662 else if(brush->vertexpaint_tool==VP_LIGHTEN) *col= mcol_lighten( *col, paintcol, alpha);
663 else if(brush->vertexpaint_tool==VP_DARKEN) *col= mcol_darken( *col, paintcol, alpha);
665 /* if no spray, clip color adding with colorig & orig alpha */
666 if((vp->flag & VP_SPRAY)==0) {
667 unsigned int testcol=0, a;
670 alpha= (int)(255.0f*brush_alpha(brush));
672 if(brush->vertexpaint_tool==VP_MIX || brush->vertexpaint_tool==VP_BLUR) testcol= mcol_blend( *colorig, paintcol, alpha);
673 else if(brush->vertexpaint_tool==VP_ADD) testcol= mcol_add( *colorig, paintcol, alpha);
674 else if(brush->vertexpaint_tool==VP_SUB) testcol= mcol_sub( *colorig, paintcol, alpha);
675 else if(brush->vertexpaint_tool==VP_MUL) testcol= mcol_mul( *colorig, paintcol, alpha);
676 else if(brush->vertexpaint_tool==VP_LIGHTEN) testcol= mcol_lighten( *colorig, paintcol, alpha);
677 else if(brush->vertexpaint_tool==VP_DARKEN) testcol= mcol_darken( *colorig, paintcol, alpha);
680 ct= (char *)&testcol;
685 if( cp[a]<ct[a] ) cp[a]= ct[a];
686 else if( cp[a]>co[a] ) cp[a]= co[a];
689 if( cp[a]<co[a] ) cp[a]= co[a];
690 else if( cp[a]>ct[a] ) cp[a]= ct[a];
697 static int sample_backbuf_area(ViewContext *vc, int *indexar, int totface, int x, int y, float size)
702 /* brecht: disabled this because it obviously failes for
703 brushes with size > 64, why is this here? */
704 /*if(size>64.0) size= 64.0;*/
706 ibuf= view3d_read_backbuf(vc, x-size, y-size, x+size, y+size);
708 unsigned int *rt= ibuf->rect;
710 memset(indexar, 0, sizeof(int)*(totface+1));
712 size= ibuf->x*ibuf->y;
716 index= WM_framebuffer_to_index(*rt);
717 if(index>0 && index<=totface)
724 for(a=1; a<=totface; a++) {
725 if(indexar[a]) indexar[tot++]= a;
734 static float calc_vp_alpha_dl(VPaint *vp, ViewContext *vc, float vpimat[][3], float *vert_nor, float *mval, float pressure)
736 Brush *brush = paint_brush(&vp->paint);
737 float fac, fac_2, size, dx, dy;
740 const int radius= brush_size(brush);
742 project_short_noclip(vc->ar, vert_nor, vertco);
743 dx= mval[0]-vertco[0];
744 dy= mval[1]-vertco[1];
746 if (brush_use_size_pressure(brush))
747 size = pressure * radius;
751 fac_2= dx*dx + dy*dy;
752 if(fac_2 > size*size) return 0.f;
755 alpha= brush_alpha(brush) * brush_curve_strength_clamp(brush, fac, size);
757 if (brush_use_alpha_pressure(brush))
760 if(vp->flag & VP_NORMALS) {
761 float *no= vert_nor+3;
764 fac= vpimat[2][0]*no[0]+vpimat[2][1]*no[1]+vpimat[2][2]*no[2];
766 dx= vpimat[0][0]*no[0]+vpimat[0][1]*no[1]+vpimat[0][2]*no[2];
767 dy= vpimat[1][0]*no[0]+vpimat[1][1]*no[1]+vpimat[1][2]*no[2];
769 alpha*= fac/sqrtf(dx*dx + dy*dy + fac*fac);
777 static void wpaint_blend(VPaint *wp, MDeformWeight *dw, MDeformWeight *uw, float alpha, float paintval, int flip)
779 Brush *brush = paint_brush(&wp->paint);
780 int tool = brush->vertexpaint_tool;
782 if(dw==NULL || uw==NULL) return;
787 paintval = 1.f - paintval; break;
793 tool= VP_DARKEN; break;
795 tool= VP_LIGHTEN; break;
799 if(tool==VP_MIX || tool==VP_BLUR)
800 dw->weight = paintval*alpha + dw->weight*(1.0f-alpha);
801 else if(tool==VP_ADD)
802 dw->weight += paintval*alpha;
803 else if(tool==VP_SUB)
804 dw->weight -= paintval*alpha;
805 else if(tool==VP_MUL)
806 /* first mul, then blend the fac */
807 dw->weight = ((1.0f-alpha) + alpha*paintval)*dw->weight;
808 else if(tool==VP_LIGHTEN) {
809 if (dw->weight < paintval)
810 dw->weight = paintval*alpha + dw->weight*(1.0f-alpha);
811 } else if(tool==VP_DARKEN) {
812 if (dw->weight > paintval)
813 dw->weight = paintval*alpha + dw->weight*(1.0f-alpha);
815 CLAMP(dw->weight, 0.0f, 1.0f);
817 /* if no spray, clip result with orig weight & orig alpha */
818 if((wp->flag & VP_SPRAY)==0) {
821 alpha= brush_alpha(brush);
822 if(tool==VP_MIX || tool==VP_BLUR)
823 testw = paintval*alpha + uw->weight*(1.0f-alpha);
824 else if(tool==VP_ADD)
825 testw = uw->weight + paintval*alpha;
826 else if(tool==VP_SUB)
827 testw = uw->weight - paintval*alpha;
828 else if(tool==VP_MUL)
829 /* first mul, then blend the fac */
830 testw = ((1.0f-alpha) + alpha*paintval)*uw->weight;
831 else if(tool==VP_LIGHTEN) {
832 if (uw->weight < paintval)
833 testw = paintval*alpha + uw->weight*(1.0f-alpha);
836 } else if(tool==VP_DARKEN) {
837 if (uw->weight > paintval)
838 testw = paintval*alpha + uw->weight*(1.0f-alpha);
842 CLAMP(testw, 0.0f, 1.0f);
844 if( testw<uw->weight ) {
845 if(dw->weight < testw) dw->weight= testw;
846 else if(dw->weight > uw->weight) dw->weight= uw->weight;
849 if(dw->weight > testw) dw->weight= testw;
850 else if(dw->weight < uw->weight) dw->weight= uw->weight;
856 /* ----------------------------------------------------- */
858 /* used for 3d view, on active object, assumes me->dvert exists */
860 /* samples cursor location, and gives menu with vertex groups to activate */
862 /* sets wp->weight to the closest weight value to vertex */
863 /* note: we cant sample frontbuf, weight colors are interpolated too unpredictable */
864 static void sample_wpaint(Scene *scene, ARegion *ar, View3D *UNUSED(v3d), int mode)
867 ToolSettings *ts= scene->toolsettings;
869 Mesh *me= get_mesh(ob);
871 short mval[2] = {0, 0}, sco[2];
872 int vgroup= ob->actdef-1;
876 // getmouseco_areawin(mval);
877 index= view3d_sample_backbuf(&vc, mval[0], mval[1]);
879 if(index && index<=me->totface) {
882 mface= ((MFace *)me->mface) + index-1;
884 if(mode==1) { /* sampe which groups are in here */
888 totgroup= BLI_countlist(&ob->defbase);
891 int *groups=MEM_callocN(totgroup*sizeof(int), "groups");
893 dv= me->dvert+mface->v1;
894 for(a=0; a<dv->totweight; a++) {
895 if (dv->dw[a].def_nr<totgroup)
896 groups[dv->dw[a].def_nr]= 1;
898 dv= me->dvert+mface->v2;
899 for(a=0; a<dv->totweight; a++) {
900 if (dv->dw[a].def_nr<totgroup)
901 groups[dv->dw[a].def_nr]= 1;
903 dv= me->dvert+mface->v3;
904 for(a=0; a<dv->totweight; a++) {
905 if (dv->dw[a].def_nr<totgroup)
906 groups[dv->dw[a].def_nr]= 1;
909 dv= me->dvert+mface->v4;
910 for(a=0; a<dv->totweight; a++) {
911 if (dv->dw[a].def_nr<totgroup)
912 groups[dv->dw[a].def_nr]= 1;
915 for(a=0; a<totgroup; a++)
916 if(groups[a]) totmenu++;
919 //notice("No Vertex Group Selected");
924 char item[40], *str= MEM_mallocN(40*totmenu+40, "menu");
926 strcpy(str, "Vertex Groups %t");
927 for(a=0, dg=ob->defbase.first; dg && a<totgroup; a++, dg= dg->next) {
929 sprintf(item, "|%s %%x%d", dg->name, a);
934 val= 0; // XXX pupmenu(str);
937 DAG_id_tag_update(&me->id, 0);
943 // else notice("No Vertex Groups in Object");
947 float w1, w2, w3, w4, co[3], fac;
949 dm = mesh_get_derived_final(scene, ob, CD_MASK_BAREMESH);
950 if(dm->getVertCo==NULL) {
951 //notice("Not supported yet");
954 /* calc 3 or 4 corner weights */
955 dm->getVertCo(dm, mface->v1, co);
956 project_short_noclip(ar, co, sco);
957 w1= ((mval[0]-sco[0])*(mval[0]-sco[0]) + (mval[1]-sco[1])*(mval[1]-sco[1]));
959 dm->getVertCo(dm, mface->v2, co);
960 project_short_noclip(ar, co, sco);
961 w2= ((mval[0]-sco[0])*(mval[0]-sco[0]) + (mval[1]-sco[1])*(mval[1]-sco[1]));
963 dm->getVertCo(dm, mface->v3, co);
964 project_short_noclip(ar, co, sco);
965 w3= ((mval[0]-sco[0])*(mval[0]-sco[0]) + (mval[1]-sco[1])*(mval[1]-sco[1]));
968 dm->getVertCo(dm, mface->v4, co);
969 project_short_noclip(ar, co, sco);
970 w4= ((mval[0]-sco[0])*(mval[0]-sco[0]) + (mval[1]-sco[1])*(mval[1]-sco[1]));
974 fac= MIN4(w1, w2, w3, w4);
976 ts->vgroup_weight= defvert_find_weight(me->dvert+mface->v1, vgroup);
979 ts->vgroup_weight= defvert_find_weight(me->dvert+mface->v2, vgroup);
982 ts->vgroup_weight= defvert_find_weight(me->dvert+mface->v3, vgroup);
986 ts->vgroup_weight= defvert_find_weight(me->dvert+mface->v4, vgroup);
997 static void do_weight_paint_auto_normalize(MDeformVert *dvert,
998 int paint_nr, char *map)
1000 // MDeformWeight *dw = dvert->dw;
1001 float sum=0.0f, fac=0.0f, paintw=0.0f;
1007 for (i=0; i<dvert->totweight; i++) {
1008 if (dvert->dw[i].def_nr == paint_nr)
1009 paintw = dvert->dw[i].weight;
1011 if (map[dvert->dw[i].def_nr]) {
1013 if (dvert->dw[i].def_nr != paint_nr)
1014 sum += dvert->dw[i].weight;
1018 if (!tot || sum <= (1.0f - paintw))
1021 fac = sum / (1.0f - paintw);
1022 fac = fac==0.0f ? 1.0f : 1.0f / fac;
1024 for (i=0; i<dvert->totweight; i++) {
1025 if (map[dvert->dw[i].def_nr]) {
1026 if (dvert->dw[i].def_nr != paint_nr)
1027 dvert->dw[i].weight *= fac;
1032 static void do_weight_paint_vertex(VPaint *wp, Object *ob, int index,
1033 float alpha, float paintweight, int flip,
1034 int vgroup_mirror, char *validmap)
1037 MDeformWeight *dw, *uw;
1038 int vgroup= ob->actdef-1;
1040 if(wp->flag & VP_ONLYVGROUP) {
1041 dw= defvert_find_index(me->dvert+index, vgroup);
1042 uw= defvert_find_index(wp->wpaint_prev+index, vgroup);
1045 dw= defvert_verify_index(me->dvert+index, vgroup);
1046 uw= defvert_verify_index(wp->wpaint_prev+index, vgroup);
1048 if(dw==NULL || uw==NULL)
1051 wpaint_blend(wp, dw, uw, alpha, paintweight, flip);
1052 do_weight_paint_auto_normalize(me->dvert+index, vgroup, validmap);
1054 if(me->editflag & ME_EDIT_MIRROR_X) { /* x mirror painting */
1055 int j= mesh_get_x_mirror_vert(ob, index);
1057 /* copy, not paint again */
1058 if(vgroup_mirror != -1)
1059 uw= defvert_verify_index(me->dvert+j, vgroup_mirror);
1061 uw= defvert_verify_index(me->dvert+j, vgroup);
1063 uw->weight= dw->weight;
1065 do_weight_paint_auto_normalize(me->dvert+j, vgroup, validmap);
1071 /* *************** set wpaint operator ****************** */
1073 static int set_wpaint(bContext *C, wmOperator *UNUSED(op)) /* toggle */
1075 Object *ob= CTX_data_active_object(C);
1076 Scene *scene= CTX_data_scene(C);
1077 VPaint *wp= scene->toolsettings->wpaint;
1081 if(ob->id.lib || me==NULL) return OPERATOR_PASS_THROUGH;
1083 if(ob->mode & OB_MODE_WEIGHT_PAINT) ob->mode &= ~OB_MODE_WEIGHT_PAINT;
1084 else ob->mode |= OB_MODE_WEIGHT_PAINT;
1087 /* Weightpaint works by overriding colors in mesh,
1088 * so need to make sure we recalc on enter and
1089 * exit (exit needs doing regardless because we
1092 DAG_id_tag_update(&me->id, 0);
1094 if(ob->mode & OB_MODE_WEIGHT_PAINT) {
1098 wp= scene->toolsettings->wpaint= new_vpaint(1);
1100 paint_init(&wp->paint, PAINT_CURSOR_WEIGHT_PAINT);
1101 paint_cursor_start(C, weight_paint_poll);
1103 mesh_octree_table(ob, NULL, NULL, 's');
1105 /* verify if active weight group is also active bone */
1106 par= modifiers_isDeformedByArmature(ob);
1107 if(par && (par->mode & OB_MODE_POSE)) {
1108 bArmature *arm= par->data;
1111 ED_vgroup_select_by_name(ob, arm->act_bone->name);
1115 mesh_octree_table(NULL, NULL, NULL, 'e');
1116 mesh_mirrtopo_table(NULL, 'e');
1119 WM_event_add_notifier(C, NC_SCENE|ND_MODE, scene);
1121 return OPERATOR_FINISHED;
1124 /* for switching to/from mode */
1125 static int paint_poll_test(bContext *C)
1127 if(CTX_data_edit_object(C))
1129 if(CTX_data_active_object(C)==NULL)
1134 void PAINT_OT_weight_paint_toggle(wmOperatorType *ot)
1138 ot->name= "Weight Paint Mode";
1139 ot->idname= "PAINT_OT_weight_paint_toggle";
1142 ot->exec= set_wpaint;
1143 ot->poll= paint_poll_test;
1146 ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1150 /* ************ paint radial controls *************/
1152 static int vpaint_radial_control_invoke(bContext *C, wmOperator *op, wmEvent *event)
1154 Paint *p = paint_get_active(CTX_data_scene(C));
1155 Brush *brush = paint_brush(p);
1158 WM_paint_cursor_end(CTX_wm_manager(C), p->paint_cursor);
1159 p->paint_cursor = NULL;
1160 brush_radial_control_invoke(op, brush, 1);
1162 copy_v3_v3(col, brush->add_col);
1164 RNA_float_set_array(op->ptr, "color", col);
1166 return WM_radial_control_invoke(C, op, event);
1169 static int vpaint_radial_control_modal(bContext *C, wmOperator *op, wmEvent *event)
1171 int ret = WM_radial_control_modal(C, op, event);
1172 if(ret != OPERATOR_RUNNING_MODAL)
1173 paint_cursor_start(C, vertex_paint_poll);
1177 static int vpaint_radial_control_exec(bContext *C, wmOperator *op)
1179 Brush *brush = paint_brush(&CTX_data_scene(C)->toolsettings->vpaint->paint);
1180 int ret = brush_radial_control_exec(op, brush, 1);
1182 WM_event_add_notifier(C, NC_BRUSH|NA_EDITED, brush);
1187 static int wpaint_radial_control_invoke(bContext *C, wmOperator *op, wmEvent *event)
1189 Paint *p = paint_get_active(CTX_data_scene(C));
1190 Brush *brush = paint_brush(p);
1193 WM_paint_cursor_end(CTX_wm_manager(C), p->paint_cursor);
1194 p->paint_cursor = NULL;
1195 brush_radial_control_invoke(op, brush, 1);
1197 copy_v3_v3(col, brush->add_col);
1199 RNA_float_set_array(op->ptr, "color", col);
1201 return WM_radial_control_invoke(C, op, event);
1204 static int wpaint_radial_control_modal(bContext *C, wmOperator *op, wmEvent *event)
1206 int ret = WM_radial_control_modal(C, op, event);
1207 if(ret != OPERATOR_RUNNING_MODAL)
1208 paint_cursor_start(C, weight_paint_poll);
1212 static int wpaint_radial_control_exec(bContext *C, wmOperator *op)
1214 Brush *brush = paint_brush(&CTX_data_scene(C)->toolsettings->wpaint->paint);
1215 int ret = brush_radial_control_exec(op, brush, 1);
1217 WM_event_add_notifier(C, NC_BRUSH|NA_EDITED, brush);
1222 void PAINT_OT_weight_paint_radial_control(wmOperatorType *ot)
1224 WM_OT_radial_control_partial(ot);
1226 ot->name= "Weight Paint Radial Control";
1227 ot->idname= "PAINT_OT_weight_paint_radial_control";
1229 ot->invoke= wpaint_radial_control_invoke;
1230 ot->modal= wpaint_radial_control_modal;
1231 ot->exec= wpaint_radial_control_exec;
1232 ot->poll= weight_paint_poll;
1235 ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO|OPTYPE_BLOCKING;
1238 void PAINT_OT_vertex_paint_radial_control(wmOperatorType *ot)
1240 WM_OT_radial_control_partial(ot);
1242 ot->name= "Vertex Paint Radial Control";
1243 ot->idname= "PAINT_OT_vertex_paint_radial_control";
1245 ot->invoke= vpaint_radial_control_invoke;
1246 ot->modal= vpaint_radial_control_modal;
1247 ot->exec= vpaint_radial_control_exec;
1248 ot->poll= vertex_paint_poll;
1251 ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO|OPTYPE_BLOCKING;
1254 /* ************ weight paint operator ********** */
1260 float *vertexcosnos;
1263 /*variables for auto normalize*/
1265 char *vgroup_validmap; /*stores if vgroups tie to deforming bones or not*/
1268 static char *wpaint_make_validmap(Object *ob)
1275 ArmatureModifierData *amd;
1276 GHash *gh = BLI_ghash_new(BLI_ghashutil_strhash, BLI_ghashutil_strcmp, "wpaint_make_validmap gh");
1279 /*add all names to a hash table*/
1280 for (dg=ob->defbase.first, i=0; dg; dg=dg->next, i++) {
1281 BLI_ghash_insert(gh, dg->name, NULL);
1287 validmap = MEM_callocN(i, "wpaint valid map");
1289 /*now loop through the armature modifiers and identify deform bones*/
1290 for (md = ob->modifiers.first; md; md= !md->next && step1 ? (step1=0), modifiers_getVirtualModifierList(ob) : md->next) {
1291 if (!(md->mode & (eModifierMode_Realtime|eModifierMode_Virtual)))
1294 if (md->type == eModifierType_Armature)
1296 amd = (ArmatureModifierData*) md;
1298 if(amd->object && amd->object->pose) {
1299 pose = amd->object->pose;
1301 for (chan=pose->chanbase.first; chan; chan=chan->next) {
1302 if (chan->bone->flag & BONE_NO_DEFORM)
1305 if (BLI_ghash_haskey(gh, chan->name)) {
1306 BLI_ghash_remove(gh, chan->name, NULL, NULL);
1307 BLI_ghash_insert(gh, chan->name, SET_INT_IN_POINTER(1));
1314 /*add all names to a hash table*/
1315 for (dg=ob->defbase.first, i=0; dg; dg=dg->next, i++) {
1316 if (BLI_ghash_lookup(gh, dg->name) != NULL) {
1321 BLI_ghash_free(gh, NULL, NULL);
1326 static int wpaint_stroke_test_start(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1328 Scene *scene= CTX_data_scene(C);
1329 struct PaintStroke *stroke = op->customdata;
1330 ToolSettings *ts= CTX_data_tool_settings(C);
1331 VPaint *wp= ts->wpaint;
1332 Object *ob= CTX_data_active_object(C);
1333 struct WPaintData *wpd;
1335 float mat[4][4], imat[4][4];
1337 if(scene->obedit) return OPERATOR_CANCELLED;
1340 if(me==NULL || me->totface==0) return OPERATOR_PASS_THROUGH;
1342 /* if nothing was added yet, we make dverts and a vertex deform group */
1344 ED_vgroup_data_create(&me->id);
1345 WM_event_add_notifier(C, NC_GEOM|ND_DATA, me);
1348 /* make mode data storage */
1349 wpd= MEM_callocN(sizeof(struct WPaintData), "WPaintData");
1350 paint_stroke_set_mode_data(stroke, wpd);
1351 view3d_set_viewcontext(C, &wpd->vc);
1352 wpd->vgroup_mirror= -1;
1354 /*set up auto-normalize, and generate map for detecting which
1355 vgroups affect deform bones*/
1356 wpd->auto_normalize = ts->auto_normalize;
1357 if (wpd->auto_normalize)
1358 wpd->vgroup_validmap = wpaint_make_validmap(ob);
1360 // if(qual & LR_CTRLKEY) {
1361 // sample_wpaint(scene, ar, v3d, 0);
1364 // if(qual & LR_SHIFTKEY) {
1365 // sample_wpaint(scene, ar, v3d, 1);
1369 /* ALLOCATIONS! no return after this line */
1370 /* painting on subsurfs should give correct points too, this returns me->totvert amount */
1371 wpd->vertexcosnos= mesh_get_mapped_verts_nors(scene, ob);
1372 wpd->indexar= get_indexarray(me);
1373 copy_wpaint_prev(wp, me->dvert, me->totvert);
1375 /* this happens on a Bone select, when no vgroup existed yet */
1378 if((modob = modifiers_isDeformedByArmature(ob))) {
1379 Bone *actbone= ((bArmature *)modob->data)->act_bone;
1381 bPoseChannel *pchan= get_pose_channel(modob->pose, actbone->name);
1384 bDeformGroup *dg= defgroup_find_name(ob, pchan->name);
1386 dg= ED_vgroup_add_name(ob, pchan->name); /* sets actdef */
1388 ob->actdef= 1 + defgroup_find_index(ob, dg);
1393 if(ob->defbase.first==NULL) {
1397 // if(ob->lay & v3d->lay); else error("Active object is not in this layer");
1399 /* imat for normals */
1400 mul_m4_m4m4(mat, ob->obmat, wpd->vc.rv3d->viewmat);
1401 invert_m4_m4(imat, mat);
1402 copy_m3_m4(wpd->wpimat, imat);
1404 /* if mirror painting, find the other group */
1405 if(me->editflag & ME_EDIT_MIRROR_X) {
1406 bDeformGroup *defgroup= BLI_findlink(&ob->defbase, ob->actdef-1);
1408 bDeformGroup *curdef;
1412 flip_side_name(name, defgroup->name, FALSE);
1414 for (curdef = ob->defbase.first; curdef; curdef=curdef->next, actdef++)
1415 if (!strcmp(curdef->name, name))
1418 int olddef= ob->actdef; /* tsk, ED_vgroup_add sets the active defgroup */
1419 curdef= ED_vgroup_add_name (ob, name);
1423 if(curdef && curdef!=defgroup)
1424 wpd->vgroup_mirror= actdef;
1431 static void wpaint_stroke_update_step(bContext *C, struct PaintStroke *stroke, PointerRNA *itemptr)
1433 ToolSettings *ts= CTX_data_tool_settings(C);
1434 VPaint *wp= ts->wpaint;
1435 Brush *brush = paint_brush(&wp->paint);
1436 struct WPaintData *wpd= paint_stroke_mode_data(stroke);
1443 int totindex, index, totw, flip;
1445 float mval[2], pressure;
1447 /* cannot paint if there is no stroke data */
1449 // XXX: force a redraw here, since even though we can't paint,
1450 // at least view won't freeze until stroke ends
1451 ED_region_tag_redraw(CTX_wm_region(C));
1458 indexar= wpd->indexar;
1460 view3d_operator_needs_opengl(C);
1462 /* load projection matrix */
1463 mul_m4_m4m4(mat, ob->obmat, vc->rv3d->persmat);
1465 flip = RNA_boolean_get(itemptr, "pen_flip");
1466 pressure = RNA_float_get(itemptr, "pressure");
1467 RNA_float_get_array(itemptr, "mouse", mval);
1468 mval[0]-= vc->ar->winrct.xmin;
1469 mval[1]-= vc->ar->winrct.ymin;
1471 swap_m4m4(wpd->vc.rv3d->persmat, mat);
1473 /* which faces are involved */
1474 if(wp->flag & VP_AREA) {
1475 totindex= sample_backbuf_area(vc, indexar, me->totface, mval[0], mval[1], brush_size(brush));
1478 indexar[0]= view3d_sample_backbuf(vc, mval[0], mval[1]);
1479 if(indexar[0]) totindex= 1;
1483 if(wp->flag & VP_COLINDEX) {
1484 for(index=0; index<totindex; index++) {
1485 if(indexar[index] && indexar[index]<=me->totface) {
1486 MFace *mface= ((MFace *)me->mface) + (indexar[index]-1);
1488 if(mface->mat_nr!=ob->actcol-1) {
1495 if((me->editflag & ME_EDIT_PAINT_MASK) && me->mface) {
1496 for(index=0; index<totindex; index++) {
1497 if(indexar[index] && indexar[index]<=me->totface) {
1498 MFace *mface= ((MFace *)me->mface) + (indexar[index]-1);
1500 if((mface->flag & ME_FACE_SEL)==0) {
1507 /* make sure each vertex gets treated only once */
1508 /* and calculate filter weight */
1510 if(brush->vertexpaint_tool==VP_BLUR)
1513 paintweight= ts->vgroup_weight;
1515 for(index=0; index<totindex; index++) {
1516 if(indexar[index] && indexar[index]<=me->totface) {
1517 MFace *mface= me->mface + (indexar[index]-1);
1519 (me->dvert+mface->v1)->flag= 1;
1520 (me->dvert+mface->v2)->flag= 1;
1521 (me->dvert+mface->v3)->flag= 1;
1522 if(mface->v4) (me->dvert+mface->v4)->flag= 1;
1524 if(brush->vertexpaint_tool==VP_BLUR) {
1525 MDeformWeight *dw, *(*dw_func)(MDeformVert *, const int);
1527 if(wp->flag & VP_ONLYVGROUP)
1528 dw_func= (MDeformWeight *(*)(MDeformVert *, const int))defvert_find_index;
1530 dw_func= defvert_verify_index;
1532 dw= dw_func(me->dvert+mface->v1, ob->actdef-1);
1533 if(dw) {paintweight+= dw->weight; totw++;}
1534 dw= dw_func(me->dvert+mface->v2, ob->actdef-1);
1535 if(dw) {paintweight+= dw->weight; totw++;}
1536 dw= dw_func(me->dvert+mface->v3, ob->actdef-1);
1537 if(dw) {paintweight+= dw->weight; totw++;}
1539 dw= dw_func(me->dvert+mface->v4, ob->actdef-1);
1540 if(dw) {paintweight+= dw->weight; totw++;}
1546 if(brush->vertexpaint_tool==VP_BLUR)
1547 paintweight/= (float)totw;
1549 for(index=0; index<totindex; index++) {
1551 if(indexar[index] && indexar[index]<=me->totface) {
1552 MFace *mface= me->mface + (indexar[index]-1);
1554 if((me->dvert+mface->v1)->flag) {
1555 alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v1, mval, pressure);
1557 do_weight_paint_vertex(wp, ob, mface->v1,
1558 alpha, paintweight, flip, wpd->vgroup_mirror,
1559 wpd->vgroup_validmap);
1561 (me->dvert+mface->v1)->flag= 0;
1564 if((me->dvert+mface->v2)->flag) {
1565 alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v2, mval, pressure);
1567 do_weight_paint_vertex(wp, ob, mface->v2,
1568 alpha, paintweight, flip, wpd->vgroup_mirror,
1569 wpd->vgroup_validmap);
1571 (me->dvert+mface->v2)->flag= 0;
1574 if((me->dvert+mface->v3)->flag) {
1575 alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v3, mval, pressure);
1577 do_weight_paint_vertex(wp, ob, mface->v3,
1578 alpha, paintweight, flip, wpd->vgroup_mirror,
1579 wpd->vgroup_validmap);
1581 (me->dvert+mface->v3)->flag= 0;
1584 if((me->dvert+mface->v4)->flag) {
1586 alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v4, mval, pressure);
1588 do_weight_paint_vertex(wp, ob, mface->v4,
1589 alpha, paintweight, flip, wpd->vgroup_mirror,
1590 wpd->vgroup_validmap);
1592 (me->dvert+mface->v4)->flag= 0;
1598 swap_m4m4(vc->rv3d->persmat, mat);
1600 DAG_id_tag_update(ob->data, 0);
1601 ED_region_tag_redraw(vc->ar);
1604 static void wpaint_stroke_done(bContext *C, struct PaintStroke *stroke)
1606 ToolSettings *ts= CTX_data_tool_settings(C);
1607 Object *ob= CTX_data_active_object(C);
1608 struct WPaintData *wpd= paint_stroke_mode_data(stroke);
1611 if(wpd->vertexcosnos)
1612 MEM_freeN(wpd->vertexcosnos);
1613 MEM_freeN(wpd->indexar);
1615 if (wpd->vgroup_validmap)
1616 MEM_freeN(wpd->vgroup_validmap);
1621 /* frees prev buffer */
1622 copy_wpaint_prev(ts->wpaint, NULL, 0);
1624 /* and particles too */
1625 if(ob->particlesystem.first) {
1626 ParticleSystem *psys;
1629 for(psys= ob->particlesystem.first; psys; psys= psys->next) {
1630 for(i=0; i<PSYS_TOT_VG; i++) {
1631 if(psys->vgroup[i]==ob->actdef) {
1632 psys->recalc |= PSYS_RECALC_RESET;
1639 DAG_id_tag_update(ob->data, 0);
1643 static int wpaint_invoke(bContext *C, wmOperator *op, wmEvent *event)
1646 op->customdata = paint_stroke_new(C, NULL, wpaint_stroke_test_start,
1647 wpaint_stroke_update_step,
1648 wpaint_stroke_done, event->type);
1650 /* add modal handler */
1651 WM_event_add_modal_handler(C, op);
1653 op->type->modal(C, op, event);
1655 return OPERATOR_RUNNING_MODAL;
1658 void PAINT_OT_weight_paint(wmOperatorType *ot)
1662 ot->name= "Weight Paint";
1663 ot->idname= "PAINT_OT_weight_paint";
1666 ot->invoke= wpaint_invoke;
1667 ot->modal= paint_stroke_modal;
1668 /* ot->exec= vpaint_exec; <-- needs stroke property */
1669 ot->poll= weight_paint_poll;
1672 ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO|OPTYPE_BLOCKING;
1674 RNA_def_collection_runtime(ot->srna, "stroke", &RNA_OperatorStrokeElement, "Stroke", "");
1677 static int weight_paint_set_exec(bContext *C, wmOperator *UNUSED(op))
1679 struct Scene *scene= CTX_data_scene(C);
1680 Object *obact = CTX_data_active_object(C);
1682 wpaint_fill(scene->toolsettings->wpaint, obact, scene->toolsettings->vgroup_weight);
1683 ED_region_tag_redraw(CTX_wm_region(C)); // XXX - should redraw all 3D views
1684 return OPERATOR_FINISHED;
1687 void PAINT_OT_weight_set(wmOperatorType *ot)
1690 ot->name= "Set Weight";
1691 ot->idname= "PAINT_OT_weight_set";
1694 ot->exec= weight_paint_set_exec;
1695 ot->poll= facemask_paint_poll;
1698 ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1701 /* ************ set / clear vertex paint mode ********** */
1704 static int set_vpaint(bContext *C, wmOperator *op) /* toggle */
1706 Object *ob= CTX_data_active_object(C);
1707 Scene *scene= CTX_data_scene(C);
1708 VPaint *vp= scene->toolsettings->vpaint;
1713 if(me==NULL || object_data_is_libdata(ob)) {
1714 ob->mode &= ~OB_MODE_VERTEX_PAINT;
1715 return OPERATOR_PASS_THROUGH;
1718 if(me && me->mcol==NULL) make_vertexcol(ob);
1720 /* toggle: end vpaint */
1721 if(ob->mode & OB_MODE_VERTEX_PAINT) {
1723 ob->mode &= ~OB_MODE_VERTEX_PAINT;
1726 ob->mode |= OB_MODE_VERTEX_PAINT;
1727 /* Turn off weight painting */
1728 if (ob->mode & OB_MODE_WEIGHT_PAINT)
1732 vp= scene->toolsettings->vpaint= new_vpaint(0);
1734 paint_cursor_start(C, vertex_paint_poll);
1736 paint_init(&vp->paint, PAINT_CURSOR_VERTEX_PAINT);
1740 /* update modifier stack for mapping requirements */
1741 DAG_id_tag_update(&me->id, 0);
1743 WM_event_add_notifier(C, NC_SCENE|ND_MODE, scene);
1745 return OPERATOR_FINISHED;
1748 void PAINT_OT_vertex_paint_toggle(wmOperatorType *ot)
1752 ot->name= "Vertex Paint Mode";
1753 ot->idname= "PAINT_OT_vertex_paint_toggle";
1756 ot->exec= set_vpaint;
1757 ot->poll= paint_poll_test;
1760 ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1765 /* ********************** vertex paint operator ******************* */
1767 /* Implementation notes:
1770 - validate context (add mcol)
1771 - create customdata storage
1772 - call paint once (mouse click)
1776 - for every mousemove, apply vertex paint
1777 - exit on mouse release, free customdata
1778 (return OPERATOR_FINISHED also removes handler and operator)
1781 - implement a stroke event (or mousemove with past positons)
1782 - revise whether op->customdata should be added in object, in set_vpaint
1786 typedef struct VPaintData {
1788 unsigned int paintcol;
1790 float *vertexcosnos;
1794 static int vpaint_stroke_test_start(bContext *C, struct wmOperator *op, wmEvent *UNUSED(event))
1796 ToolSettings *ts= CTX_data_tool_settings(C);
1797 struct PaintStroke *stroke = op->customdata;
1798 VPaint *vp= ts->vpaint;
1799 struct VPaintData *vpd;
1800 Object *ob= CTX_data_active_object(C);
1802 float mat[4][4], imat[4][4];
1804 /* context checks could be a poll() */
1806 if(me==NULL || me->totface==0) return OPERATOR_PASS_THROUGH;
1808 if(me->mcol==NULL) make_vertexcol(ob);
1809 if(me->mcol==NULL) return OPERATOR_CANCELLED;
1811 /* make mode data storage */
1812 vpd= MEM_callocN(sizeof(struct VPaintData), "VPaintData");
1813 paint_stroke_set_mode_data(stroke, vpd);
1814 view3d_set_viewcontext(C, &vpd->vc);
1816 vpd->vertexcosnos= mesh_get_mapped_verts_nors(vpd->vc.scene, ob);
1817 vpd->indexar= get_indexarray(me);
1818 vpd->paintcol= vpaint_get_current_col(vp);
1821 copy_vpaint_prev(vp, (unsigned int *)me->mcol, me->totface);
1823 /* some old cruft to sort out later */
1824 mul_m4_m4m4(mat, ob->obmat, vpd->vc.rv3d->viewmat);
1825 invert_m4_m4(imat, mat);
1826 copy_m3_m4(vpd->vpimat, imat);
1831 static void vpaint_paint_face(VPaint *vp, VPaintData *vpd, Object *ob, int index, float mval[2], float pressure, int UNUSED(flip))
1833 ViewContext *vc = &vpd->vc;
1834 Brush *brush = paint_brush(&vp->paint);
1835 Mesh *me = get_mesh(ob);
1836 MFace *mface= ((MFace*)me->mface) + index;
1837 unsigned int *mcol= ((unsigned int*)me->mcol) + 4*index;
1838 unsigned int *mcolorig= ((unsigned int*)vp->vpaint_prev) + 4*index;
1842 if((vp->flag & VP_COLINDEX && mface->mat_nr!=ob->actcol-1) ||
1843 ((me->editflag & ME_EDIT_PAINT_MASK) && !(mface->flag & ME_FACE_SEL)))
1846 if(brush->vertexpaint_tool==VP_BLUR) {
1847 unsigned int fcol1= mcol_blend( mcol[0], mcol[1], 128);
1849 unsigned int fcol2= mcol_blend( mcol[2], mcol[3], 128);
1850 vpd->paintcol= mcol_blend( fcol1, fcol2, 128);
1853 vpd->paintcol= mcol_blend( mcol[2], fcol1, 170);
1858 for(i = 0; i < (mface->v4 ? 4 : 3); ++i) {
1859 alpha= calc_vp_alpha_dl(vp, vc, vpd->vpimat, vpd->vertexcosnos+6*(&mface->v1)[i], mval, pressure);
1861 vpaint_blend(vp, mcol+i, mcolorig+i, vpd->paintcol, (int)(alpha*255.0f));
1865 static void vpaint_stroke_update_step(bContext *C, struct PaintStroke *stroke, PointerRNA *itemptr)
1867 ToolSettings *ts= CTX_data_tool_settings(C);
1868 struct VPaintData *vpd = paint_stroke_mode_data(stroke);
1869 VPaint *vp= ts->vpaint;
1870 Brush *brush = paint_brush(&vp->paint);
1871 ViewContext *vc= &vpd->vc;
1872 Object *ob= vc->obact;
1875 int *indexar= vpd->indexar;
1876 int totindex, index, flip;
1877 float pressure, mval[2];
1879 RNA_float_get_array(itemptr, "mouse", mval);
1880 flip = RNA_boolean_get(itemptr, "pen_flip");
1881 pressure = RNA_float_get(itemptr, "pressure");
1883 view3d_operator_needs_opengl(C);
1885 /* load projection matrix */
1886 mul_m4_m4m4(mat, ob->obmat, vc->rv3d->persmat);
1888 mval[0]-= vc->ar->winrct.xmin;
1889 mval[1]-= vc->ar->winrct.ymin;
1892 /* which faces are involved */
1893 if(vp->flag & VP_AREA) {
1894 totindex= sample_backbuf_area(vc, indexar, me->totface, mval[0], mval[1], brush_size(brush));
1897 indexar[0]= view3d_sample_backbuf(vc, mval[0], mval[1]);
1898 if(indexar[0]) totindex= 1;
1902 swap_m4m4(vc->rv3d->persmat, mat);
1904 for(index=0; index<totindex; index++) {
1905 if(indexar[index] && indexar[index]<=me->totface)
1906 vpaint_paint_face(vp, vpd, ob, indexar[index]-1, mval, pressure, flip);
1909 swap_m4m4(vc->rv3d->persmat, mat);
1911 /* was disabled because it is slow, but necessary for blur */
1912 if(brush->vertexpaint_tool == VP_BLUR)
1913 do_shared_vertexcol(me);
1915 ED_region_tag_redraw(vc->ar);
1917 DAG_id_tag_update(ob->data, 0);
1920 static void vpaint_stroke_done(bContext *C, struct PaintStroke *stroke)
1922 ToolSettings *ts= CTX_data_tool_settings(C);
1923 struct VPaintData *vpd= paint_stroke_mode_data(stroke);
1925 if(vpd->vertexcosnos)
1926 MEM_freeN(vpd->vertexcosnos);
1927 MEM_freeN(vpd->indexar);
1929 /* frees prev buffer */
1930 copy_vpaint_prev(ts->vpaint, NULL, 0);
1935 static int vpaint_invoke(bContext *C, wmOperator *op, wmEvent *event)
1938 op->customdata = paint_stroke_new(C, NULL, vpaint_stroke_test_start,
1939 vpaint_stroke_update_step,
1940 vpaint_stroke_done, event->type);
1942 /* add modal handler */
1943 WM_event_add_modal_handler(C, op);
1945 op->type->modal(C, op, event);
1947 return OPERATOR_RUNNING_MODAL;
1950 void PAINT_OT_vertex_paint(wmOperatorType *ot)
1953 ot->name= "Vertex Paint";
1954 ot->idname= "PAINT_OT_vertex_paint";
1957 ot->invoke= vpaint_invoke;
1958 ot->modal= paint_stroke_modal;
1959 /* ot->exec= vpaint_exec; <-- needs stroke property */
1960 ot->poll= vertex_paint_poll;
1963 ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO|OPTYPE_BLOCKING;
1965 RNA_def_collection_runtime(ot->srna, "stroke", &RNA_OperatorStrokeElement, "Stroke", "");
1968 /* ********************** weight from bones operator ******************* */
1970 static int weight_from_bones_poll(bContext *C)
1972 Object *ob= CTX_data_active_object(C);
1974 return (ob && (ob->mode & OB_MODE_WEIGHT_PAINT) && modifiers_isDeformedByArmature(ob));
1977 static int weight_from_bones_exec(bContext *C, wmOperator *op)
1979 Scene *scene= CTX_data_scene(C);
1980 Object *ob= CTX_data_active_object(C);
1981 Object *armob= modifiers_isDeformedByArmature(ob);
1983 int type= RNA_enum_get(op->ptr, "type");
1985 create_vgroups_from_armature(op->reports, scene, ob, armob, type, (me->editflag & ME_EDIT_MIRROR_X));
1987 DAG_id_tag_update(&me->id, 0);
1988 WM_event_add_notifier(C, NC_GEOM|ND_DATA, me);
1990 return OPERATOR_FINISHED;
1993 void PAINT_OT_weight_from_bones(wmOperatorType *ot)
1995 static EnumPropertyItem type_items[]= {
1996 {ARM_GROUPS_AUTO, "AUTOMATIC", 0, "Automatic", "Automatic weights froms bones"},
1997 {ARM_GROUPS_ENVELOPE, "ENVELOPES", 0, "From Envelopes", "Weights from envelopes with user defined radius"},
1998 {0, NULL, 0, NULL, NULL}};
2001 ot->name= "Weight from Bones";
2002 ot->idname= "PAINT_OT_weight_from_bones";
2005 ot->exec= weight_from_bones_exec;
2006 ot->invoke= WM_menu_invoke;
2007 ot->poll= weight_from_bones_poll;
2010 ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
2013 ot->prop= RNA_def_enum(ot->srna, "type", type_items, 0, "Type", "Method to use for assigning weights.");