/** * $Id$ * * ***** BEGIN GPL LICENSE BLOCK ***** * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. * All rights reserved. * * The Original Code is: all of this file. * * Contributor(s): none yet. * * ***** END GPL LICENSE BLOCK ***** */ #include #include #ifdef WIN32 #include #else #include #endif #include "MEM_guardedalloc.h" #include "BLI_blenlib.h" #include "BLI_math.h" #include "BLI_ghash.h" #include "IMB_imbuf.h" #include "IMB_imbuf_types.h" #include "DNA_armature_types.h" #include "DNA_mesh_types.h" #include "DNA_particle_types.h" #include "DNA_scene_types.h" #include "DNA_brush_types.h" #include "DNA_object_types.h" #include "DNA_meshdata_types.h" #include "RNA_access.h" #include "RNA_define.h" #include "BKE_DerivedMesh.h" #include "BKE_action.h" #include "BKE_brush.h" #include "BKE_context.h" #include "BKE_depsgraph.h" #include "BKE_deform.h" #include "BKE_mesh.h" #include "BKE_modifier.h" #include "BKE_object.h" #include "BKE_paint.h" #include "WM_api.h" #include "WM_types.h" #include "ED_armature.h" #include "ED_mesh.h" #include "ED_screen.h" #include "ED_view3d.h" #include "paint_intern.h" /* brush->vertexpaint_tool */ #define VP_MIX 0 #define VP_ADD 1 #define VP_SUB 2 #define VP_MUL 3 #define VP_BLUR 4 #define VP_LIGHTEN 5 #define VP_DARKEN 6 /* polling - retrieve whether cursor should be set or operator should be done */ /* Returns true if vertex paint mode is active */ int vertex_paint_mode_poll(bContext *C) { Object *ob = CTX_data_active_object(C); return ob && ob->mode == OB_MODE_VERTEX_PAINT && ((Mesh *)ob->data)->totface; } int vertex_paint_poll(bContext *C) { if(vertex_paint_mode_poll(C) && paint_brush(&CTX_data_tool_settings(C)->vpaint->paint)) { ScrArea *sa= CTX_wm_area(C); if(sa->spacetype==SPACE_VIEW3D) { ARegion *ar= CTX_wm_region(C); if(ar->regiontype==RGN_TYPE_WINDOW) return 1; } } return 0; } int weight_paint_mode_poll(bContext *C) { Object *ob = CTX_data_active_object(C); return ob && ob->mode == OB_MODE_WEIGHT_PAINT && ((Mesh *)ob->data)->totface; } int weight_paint_poll(bContext *C) { Object *ob = CTX_data_active_object(C); if(ob && ob->mode & OB_MODE_WEIGHT_PAINT && paint_brush(&CTX_data_tool_settings(C)->wpaint->paint)) { ScrArea *sa= CTX_wm_area(C); if(sa->spacetype==SPACE_VIEW3D) { ARegion *ar= CTX_wm_region(C); if(ar->regiontype==RGN_TYPE_WINDOW) return 1; } } return 0; } static VPaint *new_vpaint(int wpaint) { VPaint *vp= MEM_callocN(sizeof(VPaint), "VPaint"); vp->flag= VP_AREA+VP_SPRAY; if(wpaint) vp->flag= VP_AREA; return vp; } static int *get_indexarray(Mesh *me) { return MEM_mallocN(sizeof(int)*(me->totface+1), "vertexpaint"); } /* in contradiction to cpack drawing colors, the MCOL colors (vpaint colors) are per byte! so not endian sensitive. Mcol = ABGR!!! so be cautious with cpack calls */ unsigned int rgba_to_mcol(float r, float g, float b, float a) { int ir, ig, ib, ia; unsigned int col; char *cp; ir= floor(255.0*r); if(ir<0) ir= 0; else if(ir>255) ir= 255; ig= floor(255.0*g); if(ig<0) ig= 0; else if(ig>255) ig= 255; ib= floor(255.0*b); if(ib<0) ib= 0; else if(ib>255) ib= 255; ia= floor(255.0*a); if(ia<0) ia= 0; else if(ia>255) ia= 255; cp= (char *)&col; cp[0]= ia; cp[1]= ib; cp[2]= ig; cp[3]= ir; return col; } unsigned int vpaint_get_current_col(VPaint *vp) { Brush *brush = paint_brush(&vp->paint); return rgba_to_mcol(brush->rgb[0], brush->rgb[1], brush->rgb[2], 1.0f); } static void do_shared_vertexcol(Mesh *me) { /* if no mcol: do not do */ /* if tface: only the involved faces, otherwise all */ MFace *mface; MTFace *tface; int a; short *scolmain, *scol; char *mcol; if(me->mcol==0 || me->totvert==0 || me->totface==0) return; scolmain= MEM_callocN(4*sizeof(short)*me->totvert, "colmain"); tface= me->mtface; mface= me->mface; mcol= (char *)me->mcol; for(a=me->totface; a>0; a--, mface++, mcol+=16) { if((tface && tface->mode & TF_SHAREDCOL) || (me->editflag & ME_EDIT_PAINT_MASK)==0) { scol= scolmain+4*mface->v1; scol[0]++; scol[1]+= mcol[1]; scol[2]+= mcol[2]; scol[3]+= mcol[3]; scol= scolmain+4*mface->v2; scol[0]++; scol[1]+= mcol[5]; scol[2]+= mcol[6]; scol[3]+= mcol[7]; scol= scolmain+4*mface->v3; scol[0]++; scol[1]+= mcol[9]; scol[2]+= mcol[10]; scol[3]+= mcol[11]; if(mface->v4) { scol= scolmain+4*mface->v4; scol[0]++; scol[1]+= mcol[13]; scol[2]+= mcol[14]; scol[3]+= mcol[15]; } } if(tface) tface++; } a= me->totvert; scol= scolmain; while(a--) { if(scol[0]>1) { scol[1]/= scol[0]; scol[2]/= scol[0]; scol[3]/= scol[0]; } scol+= 4; } tface= me->mtface; mface= me->mface; mcol= (char *)me->mcol; for(a=me->totface; a>0; a--, mface++, mcol+=16) { if((tface && tface->mode & TF_SHAREDCOL) || (me->editflag & ME_EDIT_PAINT_MASK)==0) { scol= scolmain+4*mface->v1; mcol[1]= scol[1]; mcol[2]= scol[2]; mcol[3]= scol[3]; scol= scolmain+4*mface->v2; mcol[5]= scol[1]; mcol[6]= scol[2]; mcol[7]= scol[3]; scol= scolmain+4*mface->v3; mcol[9]= scol[1]; mcol[10]= scol[2]; mcol[11]= scol[3]; if(mface->v4) { scol= scolmain+4*mface->v4; mcol[13]= scol[1]; mcol[14]= scol[2]; mcol[15]= scol[3]; } } if(tface) tface++; } MEM_freeN(scolmain); } static void make_vertexcol(Object *ob) /* single ob */ { Mesh *me; if(!ob || ob->id.lib) return; me= get_mesh(ob); if(me==0) return; if(me->edit_mesh) return; /* copies from shadedisplist to mcol */ if(!me->mcol) { CustomData_add_layer(&me->fdata, CD_MCOL, CD_CALLOC, NULL, me->totface); mesh_update_customdata_pointers(me); } //if(shade) // shadeMeshMCol(scene, ob, me); //else memset(me->mcol, 255, 4*sizeof(MCol)*me->totface); DAG_id_flush_update(&me->id, OB_RECALC_DATA); } static void copy_vpaint_prev(VPaint *vp, unsigned int *mcol, int tot) { if(vp->vpaint_prev) { MEM_freeN(vp->vpaint_prev); vp->vpaint_prev= NULL; } vp->tot= tot; if(mcol==NULL || tot==0) return; vp->vpaint_prev= MEM_mallocN(4*sizeof(int)*tot, "vpaint_prev"); memcpy(vp->vpaint_prev, mcol, 4*sizeof(int)*tot); } static void copy_wpaint_prev (VPaint *wp, MDeformVert *dverts, int dcount) { if (wp->wpaint_prev) { free_dverts(wp->wpaint_prev, wp->tot); wp->wpaint_prev= NULL; } if(dverts && dcount) { wp->wpaint_prev = MEM_mallocN (sizeof(MDeformVert)*dcount, "wpaint prev"); wp->tot = dcount; copy_dverts (wp->wpaint_prev, dverts, dcount); } } void vpaint_fill(Object *ob, unsigned int paintcol) { Mesh *me; MFace *mf; unsigned int *mcol; int i, selected; me= get_mesh(ob); if(me==0 || me->totface==0) return; if(!me->mcol) make_vertexcol(ob); selected= (me->editflag & ME_EDIT_PAINT_MASK); mf = me->mface; mcol = (unsigned int*)me->mcol; for (i = 0; i < me->totface; i++, mf++, mcol+=4) { if (!selected || mf->flag & ME_FACE_SEL) { mcol[0] = paintcol; mcol[1] = paintcol; mcol[2] = paintcol; mcol[3] = paintcol; } } DAG_id_flush_update(&me->id, OB_RECALC_DATA); } /* fills in the selected faces with the current weight and vertex group */ void wpaint_fill(VPaint *wp, Object *ob, float paintweight) { Mesh *me; MFace *mface; MDeformWeight *dw, *uw; int *indexar; int index, vgroup; unsigned int faceverts[5]={0,0,0,0,0}; unsigned char i; int vgroup_mirror= -1; int selected; me= ob->data; if(me==0 || me->totface==0 || me->dvert==0 || !me->mface) return; selected= (me->editflag & ME_EDIT_PAINT_MASK); indexar= get_indexarray(me); if(selected) { for(index=0, mface=me->mface; indextotface; index++, mface++) { if((mface->flag & ME_FACE_SEL)==0) indexar[index]= 0; else indexar[index]= index+1; } } else { for(index=0; indextotface; index++) indexar[index]= index+1; } vgroup= ob->actdef-1; /* directly copied from weight_paint, should probaby split into a separate function */ /* if mirror painting, find the other group */ if(me->editflag & ME_EDIT_MIRROR_X) { bDeformGroup *defgroup= BLI_findlink(&ob->defbase, ob->actdef-1); if(defgroup) { bDeformGroup *curdef; int actdef= 0; char name[32]; flip_side_name(name, defgroup->name, FALSE); for (curdef = ob->defbase.first; curdef; curdef=curdef->next, actdef++) if (!strcmp(curdef->name, name)) break; if(curdef==NULL) { int olddef= ob->actdef; /* tsk, ED_vgroup_add sets the active defgroup */ curdef= ED_vgroup_add_name (ob, name); ob->actdef= olddef; } if(curdef && curdef!=defgroup) vgroup_mirror= actdef; } } /* end copy from weight_paint*/ copy_wpaint_prev(wp, me->dvert, me->totvert); for(index=0; indextotface; index++) { if(indexar[index] && indexar[index]<=me->totface) { mface= me->mface + (indexar[index]-1); /* just so we can loop through the verts */ faceverts[0]= mface->v1; faceverts[1]= mface->v2; faceverts[2]= mface->v3; faceverts[3]= mface->v4; for (i=0; i<3 || faceverts[i]; i++) { if(!((me->dvert+faceverts[i])->flag)) { dw= defvert_verify_index(me->dvert+faceverts[i], vgroup); if(dw) { uw= defvert_verify_index(wp->wpaint_prev+faceverts[i], vgroup); uw->weight= dw->weight; /* set the undo weight */ dw->weight= paintweight; if(me->editflag & ME_EDIT_MIRROR_X) { /* x mirror painting */ int j= mesh_get_x_mirror_vert(ob, faceverts[i]); if(j>=0) { /* copy, not paint again */ if(vgroup_mirror != -1) { dw= defvert_verify_index(me->dvert+j, vgroup_mirror); uw= defvert_verify_index(wp->wpaint_prev+j, vgroup_mirror); } else { dw= defvert_verify_index(me->dvert+j, vgroup); uw= defvert_verify_index(wp->wpaint_prev+j, vgroup); } uw->weight= dw->weight; /* set the undo weight */ dw->weight= paintweight; } } } (me->dvert+faceverts[i])->flag= 1; } } } } index=0; while (indextotvert) { (me->dvert+index)->flag= 0; index++; } MEM_freeN(indexar); copy_wpaint_prev(wp, NULL, 0); DAG_id_flush_update(&me->id, OB_RECALC_DATA); } /* XXX: should be re-implemented as a vertex/weight paint 'colour correct' operator void vpaint_dogamma(Scene *scene) { VPaint *vp= scene->toolsettings->vpaint; Mesh *me; Object *ob; float igam, fac; int a, temp; unsigned char *cp, gamtab[256]; ob= OBACT; me= get_mesh(ob); if(!(ob->mode & OB_MODE_VERTEX_PAINT)) return; if(me==0 || me->mcol==0 || me->totface==0) return; igam= 1.0/vp->gamma; for(a=0; a<256; a++) { fac= ((float)a)/255.0; fac= vp->mul*pow( fac, igam); temp= 255.9*fac; if(temp<=0) gamtab[a]= 0; else if(temp>=255) gamtab[a]= 255; else gamtab[a]= temp; } a= 4*me->totface; cp= (unsigned char *)me->mcol; while(a--) { cp[1]= gamtab[ cp[1] ]; cp[2]= gamtab[ cp[2] ]; cp[3]= gamtab[ cp[3] ]; cp+= 4; } } */ static unsigned int mcol_blend(unsigned int col1, unsigned int col2, int fac) { char *cp1, *cp2, *cp; int mfac; unsigned int col=0; if(fac==0) return col1; if(fac>=255) return col2; mfac= 255-fac; cp1= (char *)&col1; cp2= (char *)&col2; cp= (char *)&col; cp[0]= 255; cp[1]= (mfac*cp1[1]+fac*cp2[1])/255; cp[2]= (mfac*cp1[2]+fac*cp2[2])/255; cp[3]= (mfac*cp1[3]+fac*cp2[3])/255; return col; } static unsigned int mcol_add(unsigned int col1, unsigned int col2, int fac) { char *cp1, *cp2, *cp; int temp; unsigned int col=0; if(fac==0) return col1; cp1= (char *)&col1; cp2= (char *)&col2; cp= (char *)&col; cp[0]= 255; temp= cp1[1] + ((fac*cp2[1])/255); if(temp>254) cp[1]= 255; else cp[1]= temp; temp= cp1[2] + ((fac*cp2[2])/255); if(temp>254) cp[2]= 255; else cp[2]= temp; temp= cp1[3] + ((fac*cp2[3])/255); if(temp>254) cp[3]= 255; else cp[3]= temp; return col; } static unsigned int mcol_sub(unsigned int col1, unsigned int col2, int fac) { char *cp1, *cp2, *cp; int temp; unsigned int col=0; if(fac==0) return col1; cp1= (char *)&col1; cp2= (char *)&col2; cp= (char *)&col; cp[0]= 255; temp= cp1[1] - ((fac*cp2[1])/255); if(temp<0) cp[1]= 0; else cp[1]= temp; temp= cp1[2] - ((fac*cp2[2])/255); if(temp<0) cp[2]= 0; else cp[2]= temp; temp= cp1[3] - ((fac*cp2[3])/255); if(temp<0) cp[3]= 0; else cp[3]= temp; return col; } static unsigned int mcol_mul(unsigned int col1, unsigned int col2, int fac) { char *cp1, *cp2, *cp; int mfac; unsigned int col=0; if(fac==0) return col1; mfac= 255-fac; cp1= (char *)&col1; cp2= (char *)&col2; cp= (char *)&col; /* first mul, then blend the fac */ cp[0]= 255; cp[1]= (mfac*cp1[1] + fac*((cp2[1]*cp1[1])/255) )/255; cp[2]= (mfac*cp1[2] + fac*((cp2[2]*cp1[2])/255) )/255; cp[3]= (mfac*cp1[3] + fac*((cp2[3]*cp1[3])/255) )/255; return col; } static unsigned int mcol_lighten(unsigned int col1, unsigned int col2, int fac) { char *cp1, *cp2, *cp; int mfac; unsigned int col=0; if(fac==0) return col1; if(fac>=255) return col2; mfac= 255-fac; cp1= (char *)&col1; cp2= (char *)&col2; cp= (char *)&col; /* See if are lighter, if so mix, else dont do anything. if the paint col is darker then the original, then ignore */ if (cp1[1]+cp1[2]+cp1[3] > cp2[1]+cp2[2]+cp2[3]) return col1; cp[0]= 255; cp[1]= (mfac*cp1[1]+fac*cp2[1])/255; cp[2]= (mfac*cp1[2]+fac*cp2[2])/255; cp[3]= (mfac*cp1[3]+fac*cp2[3])/255; return col; } static unsigned int mcol_darken(unsigned int col1, unsigned int col2, int fac) { char *cp1, *cp2, *cp; int mfac; unsigned int col=0; if(fac==0) return col1; if(fac>=255) return col2; mfac= 255-fac; cp1= (char *)&col1; cp2= (char *)&col2; cp= (char *)&col; /* See if were darker, if so mix, else dont do anything. if the paint col is brighter then the original, then ignore */ if (cp1[1]+cp1[2]+cp1[3] < cp2[1]+cp2[2]+cp2[3]) return col1; cp[0]= 255; cp[1]= (mfac*cp1[1]+fac*cp2[1])/255; cp[2]= (mfac*cp1[2]+fac*cp2[2])/255; cp[3]= (mfac*cp1[3]+fac*cp2[3])/255; return col; } static void vpaint_blend(VPaint *vp, unsigned int *col, unsigned int *colorig, unsigned int paintcol, int alpha) { Brush *brush = paint_brush(&vp->paint); if(brush->vertexpaint_tool==VP_MIX || brush->vertexpaint_tool==VP_BLUR) *col= mcol_blend( *col, paintcol, alpha); else if(brush->vertexpaint_tool==VP_ADD) *col= mcol_add( *col, paintcol, alpha); else if(brush->vertexpaint_tool==VP_SUB) *col= mcol_sub( *col, paintcol, alpha); else if(brush->vertexpaint_tool==VP_MUL) *col= mcol_mul( *col, paintcol, alpha); else if(brush->vertexpaint_tool==VP_LIGHTEN) *col= mcol_lighten( *col, paintcol, alpha); else if(brush->vertexpaint_tool==VP_DARKEN) *col= mcol_darken( *col, paintcol, alpha); /* if no spray, clip color adding with colorig & orig alpha */ if((vp->flag & VP_SPRAY)==0) { unsigned int testcol=0, a; char *cp, *ct, *co; alpha= (int)(255.0*brush_alpha(brush)); if(brush->vertexpaint_tool==VP_MIX || brush->vertexpaint_tool==VP_BLUR) testcol= mcol_blend( *colorig, paintcol, alpha); else if(brush->vertexpaint_tool==VP_ADD) testcol= mcol_add( *colorig, paintcol, alpha); else if(brush->vertexpaint_tool==VP_SUB) testcol= mcol_sub( *colorig, paintcol, alpha); else if(brush->vertexpaint_tool==VP_MUL) testcol= mcol_mul( *colorig, paintcol, alpha); else if(brush->vertexpaint_tool==VP_LIGHTEN) testcol= mcol_lighten( *colorig, paintcol, alpha); else if(brush->vertexpaint_tool==VP_DARKEN) testcol= mcol_darken( *colorig, paintcol, alpha); cp= (char *)col; ct= (char *)&testcol; co= (char *)colorig; for(a=0; a<4; a++) { if( ct[a]co[a] ) cp[a]= co[a]; } else { if( cp[a]ct[a] ) cp[a]= ct[a]; } } } } static int sample_backbuf_area(ViewContext *vc, int *indexar, int totface, int x, int y, float size) { struct ImBuf *ibuf; int a, tot=0, index; /* brecht: disabled this because it obviously failes for brushes with size > 64, why is this here? */ /*if(size>64.0) size= 64.0;*/ ibuf= view3d_read_backbuf(vc, x-size, y-size, x+size, y+size); if(ibuf) { unsigned int *rt= ibuf->rect; memset(indexar, 0, sizeof(int)*(totface+1)); size= ibuf->x*ibuf->y; while(size--) { if(*rt) { index= WM_framebuffer_to_index(*rt); if(index>0 && index<=totface) indexar[index] = 1; } rt++; } for(a=1; a<=totface; a++) { if(indexar[a]) indexar[tot++]= a; } IMB_freeImBuf(ibuf); } return tot; } static float calc_vp_alpha_dl(VPaint *vp, ViewContext *vc, float vpimat[][3], float *vert_nor, float *mval, float pressure) { Brush *brush = paint_brush(&vp->paint); float fac, fac_2, size, dx, dy; float alpha; short vertco[2]; const int radius= brush_size(brush); project_short_noclip(vc->ar, vert_nor, vertco); dx= mval[0]-vertco[0]; dy= mval[1]-vertco[1]; if (brush_use_size_pressure(brush)) size = pressure * radius; else size = radius; fac_2= dx*dx + dy*dy; if(fac_2 > size*size) return 0.f; fac = sqrtf(fac_2); alpha= brush_alpha(brush) * brush_curve_strength_clamp(brush, fac, size); if (brush_use_alpha_pressure(brush)) alpha *= pressure; if(vp->flag & VP_NORMALS) { float *no= vert_nor+3; /* transpose ! */ fac= vpimat[2][0]*no[0]+vpimat[2][1]*no[1]+vpimat[2][2]*no[2]; if(fac>0.0) { dx= vpimat[0][0]*no[0]+vpimat[0][1]*no[1]+vpimat[0][2]*no[2]; dy= vpimat[1][0]*no[0]+vpimat[1][1]*no[1]+vpimat[1][2]*no[2]; alpha*= fac/sqrtf(dx*dx + dy*dy + fac*fac); } else return 0.f; } return alpha; } static void wpaint_blend(VPaint *wp, MDeformWeight *dw, MDeformWeight *uw, float alpha, float paintval, int flip) { Brush *brush = paint_brush(&wp->paint); int tool = brush->vertexpaint_tool; if(dw==NULL || uw==NULL) return; if (flip) { switch(tool) { case VP_MIX: paintval = 1.f - paintval; break; case VP_ADD: tool= VP_SUB; break; case VP_SUB: tool= VP_ADD; break; case VP_LIGHTEN: tool= VP_DARKEN; break; case VP_DARKEN: tool= VP_LIGHTEN; break; } } if(tool==VP_MIX || tool==VP_BLUR) dw->weight = paintval*alpha + dw->weight*(1.0-alpha); else if(tool==VP_ADD) dw->weight += paintval*alpha; else if(tool==VP_SUB) dw->weight -= paintval*alpha; else if(tool==VP_MUL) /* first mul, then blend the fac */ dw->weight = ((1.0-alpha) + alpha*paintval)*dw->weight; else if(tool==VP_LIGHTEN) { if (dw->weight < paintval) dw->weight = paintval*alpha + dw->weight*(1.0-alpha); } else if(tool==VP_DARKEN) { if (dw->weight > paintval) dw->weight = paintval*alpha + dw->weight*(1.0-alpha); } CLAMP(dw->weight, 0.0f, 1.0f); /* if no spray, clip result with orig weight & orig alpha */ if((wp->flag & VP_SPRAY)==0) { float testw=0.0f; alpha= brush_alpha(brush); if(tool==VP_MIX || tool==VP_BLUR) testw = paintval*alpha + uw->weight*(1.0-alpha); else if(tool==VP_ADD) testw = uw->weight + paintval*alpha; else if(tool==VP_SUB) testw = uw->weight - paintval*alpha; else if(tool==VP_MUL) /* first mul, then blend the fac */ testw = ((1.0-alpha) + alpha*paintval)*uw->weight; else if(tool==VP_LIGHTEN) { if (uw->weight < paintval) testw = paintval*alpha + uw->weight*(1.0-alpha); else testw = uw->weight; } else if(tool==VP_DARKEN) { if (uw->weight > paintval) testw = paintval*alpha + uw->weight*(1.0-alpha); else testw = uw->weight; } CLAMP(testw, 0.0f, 1.0f); if( testwweight ) { if(dw->weight < testw) dw->weight= testw; else if(dw->weight > uw->weight) dw->weight= uw->weight; } else { if(dw->weight > testw) dw->weight= testw; else if(dw->weight < uw->weight) dw->weight= uw->weight; } } } /* ----------------------------------------------------- */ /* used for 3d view, on active object, assumes me->dvert exists */ /* if mode==1: */ /* samples cursor location, and gives menu with vertex groups to activate */ /* else */ /* sets wp->weight to the closest weight value to vertex */ /* note: we cant sample frontbuf, weight colors are interpolated too unpredictable */ void sample_wpaint(Scene *scene, ARegion *ar, View3D *v3d, int mode) { ViewContext vc; ToolSettings *ts= scene->toolsettings; Object *ob= OBACT; Mesh *me= get_mesh(ob); int index; short mval[2] = {0, 0}, sco[2]; int vgroup= ob->actdef-1; if (!me) return; // getmouseco_areawin(mval); index= view3d_sample_backbuf(&vc, mval[0], mval[1]); if(index && index<=me->totface) { MFace *mface; mface= ((MFace *)me->mface) + index-1; if(mode==1) { /* sampe which groups are in here */ MDeformVert *dv; int a, totgroup; totgroup= BLI_countlist(&ob->defbase); if(totgroup) { int totmenu=0; int *groups=MEM_callocN(totgroup*sizeof(int), "groups"); dv= me->dvert+mface->v1; for(a=0; atotweight; a++) { if (dv->dw[a].def_nrdw[a].def_nr]= 1; } dv= me->dvert+mface->v2; for(a=0; atotweight; a++) { if (dv->dw[a].def_nrdw[a].def_nr]= 1; } dv= me->dvert+mface->v3; for(a=0; atotweight; a++) { if (dv->dw[a].def_nrdw[a].def_nr]= 1; } if(mface->v4) { dv= me->dvert+mface->v4; for(a=0; atotweight; a++) { if (dv->dw[a].def_nrdw[a].def_nr]= 1; } } for(a=0; adefbase.first; dg && anext) { if(groups[a]) { sprintf(item, "|%s %%x%d", dg->name, a); strcat(str, item); } } val= 0; // XXX pupmenu(str); if(val>=0) { ob->actdef= val+1; DAG_id_flush_update(&me->id, OB_RECALC_DATA); } MEM_freeN(str); } MEM_freeN(groups); } // else notice("No Vertex Groups in Object"); } else { DerivedMesh *dm; float w1, w2, w3, w4, co[3], fac; dm = mesh_get_derived_final(scene, ob, CD_MASK_BAREMESH); if(dm->getVertCo==NULL) { //notice("Not supported yet"); } else { /* calc 3 or 4 corner weights */ dm->getVertCo(dm, mface->v1, co); project_short_noclip(ar, co, sco); w1= ((mval[0]-sco[0])*(mval[0]-sco[0]) + (mval[1]-sco[1])*(mval[1]-sco[1])); dm->getVertCo(dm, mface->v2, co); project_short_noclip(ar, co, sco); w2= ((mval[0]-sco[0])*(mval[0]-sco[0]) + (mval[1]-sco[1])*(mval[1]-sco[1])); dm->getVertCo(dm, mface->v3, co); project_short_noclip(ar, co, sco); w3= ((mval[0]-sco[0])*(mval[0]-sco[0]) + (mval[1]-sco[1])*(mval[1]-sco[1])); if(mface->v4) { dm->getVertCo(dm, mface->v4, co); project_short_noclip(ar, co, sco); w4= ((mval[0]-sco[0])*(mval[0]-sco[0]) + (mval[1]-sco[1])*(mval[1]-sco[1])); } else w4= 1.0e10; fac= MIN4(w1, w2, w3, w4); if(w1==fac) { ts->vgroup_weight= defvert_find_weight(me->dvert+mface->v1, vgroup); } else if(w2==fac) { ts->vgroup_weight= defvert_find_weight(me->dvert+mface->v2, vgroup); } else if(w3==fac) { ts->vgroup_weight= defvert_find_weight(me->dvert+mface->v3, vgroup); } else if(w4==fac) { if(mface->v4) { ts->vgroup_weight= defvert_find_weight(me->dvert+mface->v4, vgroup); } } } dm->release(dm); } } } static void do_weight_paint_auto_normalize(MDeformVert *dvert, int paint_nr, char *map) { // MDeformWeight *dw = dvert->dw; float sum=0.0f, fac=0.0f, paintw=0.0f; int i, tot=0; if (!map) return; for (i=0; itotweight; i++) { if (dvert->dw[i].def_nr == paint_nr) paintw = dvert->dw[i].weight; if (map[dvert->dw[i].def_nr]) { tot += 1; if (dvert->dw[i].def_nr != paint_nr) sum += dvert->dw[i].weight; } } if (!tot || sum <= (1.0f - paintw)) return; fac = sum / (1.0f - paintw); fac = fac==0.0f ? 1.0f : 1.0f / fac; for (i=0; itotweight; i++) { if (map[dvert->dw[i].def_nr]) { if (dvert->dw[i].def_nr != paint_nr) dvert->dw[i].weight *= fac; } } } static void do_weight_paint_vertex(VPaint *wp, Object *ob, int index, float alpha, float paintweight, int flip, int vgroup_mirror, char *validmap) { Mesh *me= ob->data; MDeformWeight *dw, *uw; int vgroup= ob->actdef-1; if(wp->flag & VP_ONLYVGROUP) { dw= defvert_find_index(me->dvert+index, vgroup); uw= defvert_find_index(wp->wpaint_prev+index, vgroup); } else { dw= defvert_verify_index(me->dvert+index, vgroup); uw= defvert_verify_index(wp->wpaint_prev+index, vgroup); } if(dw==NULL || uw==NULL) return; wpaint_blend(wp, dw, uw, alpha, paintweight, flip); do_weight_paint_auto_normalize(me->dvert+index, vgroup, validmap); if(me->editflag & ME_EDIT_MIRROR_X) { /* x mirror painting */ int j= mesh_get_x_mirror_vert(ob, index); if(j>=0) { /* copy, not paint again */ if(vgroup_mirror != -1) uw= defvert_verify_index(me->dvert+j, vgroup_mirror); else uw= defvert_verify_index(me->dvert+j, vgroup); uw->weight= dw->weight; do_weight_paint_auto_normalize(me->dvert+j, vgroup, validmap); } } } /* *************** set wpaint operator ****************** */ static int set_wpaint(bContext *C, wmOperator *op) /* toggle */ { Object *ob= CTX_data_active_object(C); Scene *scene= CTX_data_scene(C); VPaint *wp= scene->toolsettings->wpaint; Mesh *me; me= get_mesh(ob); if(ob->id.lib || me==NULL) return OPERATOR_PASS_THROUGH; if(ob->mode & OB_MODE_WEIGHT_PAINT) ob->mode &= ~OB_MODE_WEIGHT_PAINT; else ob->mode |= OB_MODE_WEIGHT_PAINT; /* Weightpaint works by overriding colors in mesh, * so need to make sure we recalc on enter and * exit (exit needs doing regardless because we * should redeform). */ DAG_id_flush_update(&me->id, OB_RECALC_DATA); if(ob->mode & OB_MODE_WEIGHT_PAINT) { Object *par; if(wp==NULL) wp= scene->toolsettings->wpaint= new_vpaint(1); paint_init(&wp->paint, PAINT_CURSOR_WEIGHT_PAINT); paint_cursor_start(C, weight_paint_poll); mesh_octree_table(ob, NULL, NULL, 's'); /* verify if active weight group is also active bone */ par= modifiers_isDeformedByArmature(ob); if(par && (par->mode & OB_MODE_POSE)) { bArmature *arm= par->data; if(arm->act_bone) ED_vgroup_select_by_name(ob, arm->act_bone->name); } } else { mesh_octree_table(NULL, NULL, NULL, 'e'); mesh_mirrtopo_table(NULL, 'e'); } WM_event_add_notifier(C, NC_SCENE|ND_MODE, scene); return OPERATOR_FINISHED; } /* for switching to/from mode */ static int paint_poll_test(bContext *C) { if(CTX_data_edit_object(C)) return 0; if(CTX_data_active_object(C)==NULL) return 0; return 1; } void PAINT_OT_weight_paint_toggle(wmOperatorType *ot) { /* identifiers */ ot->name= "Weight Paint Mode"; ot->idname= "PAINT_OT_weight_paint_toggle"; /* api callbacks */ ot->exec= set_wpaint; ot->poll= paint_poll_test; /* flags */ ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; } /* ************ paint radial controls *************/ static int vpaint_radial_control_invoke(bContext *C, wmOperator *op, wmEvent *event) { Paint *p = paint_get_active(CTX_data_scene(C)); Brush *brush = paint_brush(p); float col[4]; WM_paint_cursor_end(CTX_wm_manager(C), p->paint_cursor); p->paint_cursor = NULL; brush_radial_control_invoke(op, brush, 1); copy_v3_v3(col, brush->add_col); col[3]= 0.5f; RNA_float_set_array(op->ptr, "color", col); return WM_radial_control_invoke(C, op, event); } static int vpaint_radial_control_modal(bContext *C, wmOperator *op, wmEvent *event) { int ret = WM_radial_control_modal(C, op, event); if(ret != OPERATOR_RUNNING_MODAL) paint_cursor_start(C, vertex_paint_poll); return ret; } static int vpaint_radial_control_exec(bContext *C, wmOperator *op) { Brush *brush = paint_brush(&CTX_data_scene(C)->toolsettings->vpaint->paint); int ret = brush_radial_control_exec(op, brush, 1); WM_event_add_notifier(C, NC_BRUSH|NA_EDITED, brush); return ret; } static int wpaint_radial_control_invoke(bContext *C, wmOperator *op, wmEvent *event) { Paint *p = paint_get_active(CTX_data_scene(C)); Brush *brush = paint_brush(p); float col[4]; WM_paint_cursor_end(CTX_wm_manager(C), p->paint_cursor); p->paint_cursor = NULL; brush_radial_control_invoke(op, brush, 1); copy_v3_v3(col, brush->add_col); col[3]= 0.5f; RNA_float_set_array(op->ptr, "color", col); return WM_radial_control_invoke(C, op, event); } static int wpaint_radial_control_modal(bContext *C, wmOperator *op, wmEvent *event) { int ret = WM_radial_control_modal(C, op, event); if(ret != OPERATOR_RUNNING_MODAL) paint_cursor_start(C, weight_paint_poll); return ret; } static int wpaint_radial_control_exec(bContext *C, wmOperator *op) { Brush *brush = paint_brush(&CTX_data_scene(C)->toolsettings->wpaint->paint); int ret = brush_radial_control_exec(op, brush, 1); WM_event_add_notifier(C, NC_BRUSH|NA_EDITED, brush); return ret; } void PAINT_OT_weight_paint_radial_control(wmOperatorType *ot) { WM_OT_radial_control_partial(ot); ot->name= "Weight Paint Radial Control"; ot->idname= "PAINT_OT_weight_paint_radial_control"; ot->invoke= wpaint_radial_control_invoke; ot->modal= wpaint_radial_control_modal; ot->exec= wpaint_radial_control_exec; ot->poll= weight_paint_poll; /* flags */ ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO|OPTYPE_BLOCKING; } void PAINT_OT_vertex_paint_radial_control(wmOperatorType *ot) { WM_OT_radial_control_partial(ot); ot->name= "Vertex Paint Radial Control"; ot->idname= "PAINT_OT_vertex_paint_radial_control"; ot->invoke= vpaint_radial_control_invoke; ot->modal= vpaint_radial_control_modal; ot->exec= vpaint_radial_control_exec; ot->poll= vertex_paint_poll; /* flags */ ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO|OPTYPE_BLOCKING; } /* ************ weight paint operator ********** */ struct WPaintData { ViewContext vc; int *indexar; int vgroup_mirror; float *vertexcosnos; float wpimat[3][3]; /*variables for auto normalize*/ int auto_normalize; char *vgroup_validmap; /*stores if vgroups tie to deforming bones or not*/ }; static char *wpaint_make_validmap(Mesh *me, Object *ob) { bDeformGroup *dg; ModifierData *md; char *validmap; bPose *pose; bPoseChannel *chan; ArmatureModifierData *amd; GHash *gh = BLI_ghash_new(BLI_ghashutil_strhash, BLI_ghashutil_strcmp, "wpaint_make_validmap gh"); int i = 0, step1=1; /*add all names to a hash table*/ for (dg=ob->defbase.first, i=0; dg; dg=dg->next, i++) { BLI_ghash_insert(gh, dg->name, NULL); } if (!i) return NULL; validmap = MEM_callocN(i, "wpaint valid map"); /*now loop through the armature modifiers and identify deform bones*/ for (md = ob->modifiers.first; md; md= !md->next && step1 ? (step1=0), modifiers_getVirtualModifierList(ob) : md->next) { if (!(md->mode & (eModifierMode_Realtime|eModifierMode_Virtual))) continue; if (md->type == eModifierType_Armature) { amd = (ArmatureModifierData*) md; if(amd->object && amd->object->pose) { pose = amd->object->pose; for (chan=pose->chanbase.first; chan; chan=chan->next) { if (chan->bone->flag & BONE_NO_DEFORM) continue; if (BLI_ghash_haskey(gh, chan->name)) { BLI_ghash_remove(gh, chan->name, NULL, NULL); BLI_ghash_insert(gh, chan->name, SET_INT_IN_POINTER(1)); } } } } } /*add all names to a hash table*/ for (dg=ob->defbase.first, i=0; dg; dg=dg->next, i++) { if (BLI_ghash_lookup(gh, dg->name) != NULL) { validmap[i] = 1; } } BLI_ghash_free(gh, NULL, NULL); return validmap; } static int wpaint_stroke_test_start(bContext *C, wmOperator *op, wmEvent *event) { Scene *scene= CTX_data_scene(C); struct PaintStroke *stroke = op->customdata; ToolSettings *ts= CTX_data_tool_settings(C); VPaint *wp= ts->wpaint; Object *ob= CTX_data_active_object(C); struct WPaintData *wpd; Mesh *me; float mat[4][4], imat[4][4]; if(scene->obedit) return OPERATOR_CANCELLED; me= get_mesh(ob); if(me==NULL || me->totface==0) return OPERATOR_PASS_THROUGH; /* if nothing was added yet, we make dverts and a vertex deform group */ if (!me->dvert) ED_vgroup_data_create(&me->id); /* make mode data storage */ wpd= MEM_callocN(sizeof(struct WPaintData), "WPaintData"); paint_stroke_set_mode_data(stroke, wpd); view3d_set_viewcontext(C, &wpd->vc); wpd->vgroup_mirror= -1; /*set up auto-normalize, and generate map for detecting which vgroups affect deform bones*/ wpd->auto_normalize = ts->auto_normalize; if (wpd->auto_normalize) wpd->vgroup_validmap = wpaint_make_validmap(me, ob); // if(qual & LR_CTRLKEY) { // sample_wpaint(scene, ar, v3d, 0); // return; // } // if(qual & LR_SHIFTKEY) { // sample_wpaint(scene, ar, v3d, 1); // return; // } /* ALLOCATIONS! no return after this line */ /* painting on subsurfs should give correct points too, this returns me->totvert amount */ wpd->vertexcosnos= mesh_get_mapped_verts_nors(scene, ob); wpd->indexar= get_indexarray(me); copy_wpaint_prev(wp, me->dvert, me->totvert); /* this happens on a Bone select, when no vgroup existed yet */ if(ob->actdef<=0) { Object *modob; if((modob = modifiers_isDeformedByArmature(ob))) { Bone *actbone= ((bArmature *)modob->data)->act_bone; if(actbone) { bPoseChannel *pchan= get_pose_channel(modob->pose, actbone->name); if(pchan) { bDeformGroup *dg= defgroup_find_name(ob, pchan->name); if(dg==NULL) dg= ED_vgroup_add_name(ob, pchan->name); /* sets actdef */ else ob->actdef= 1 + defgroup_find_index(ob, dg); } } } } if(ob->defbase.first==NULL) { ED_vgroup_add(ob); } // if(ob->lay & v3d->lay); else error("Active object is not in this layer"); /* imat for normals */ mul_m4_m4m4(mat, ob->obmat, wpd->vc.rv3d->viewmat); invert_m4_m4(imat, mat); copy_m3_m4(wpd->wpimat, imat); /* if mirror painting, find the other group */ if(me->editflag & ME_EDIT_MIRROR_X) { bDeformGroup *defgroup= BLI_findlink(&ob->defbase, ob->actdef-1); if(defgroup) { bDeformGroup *curdef; int actdef= 0; char name[32]; flip_side_name(name, defgroup->name, FALSE); for (curdef = ob->defbase.first; curdef; curdef=curdef->next, actdef++) if (!strcmp(curdef->name, name)) break; if(curdef==NULL) { int olddef= ob->actdef; /* tsk, ED_vgroup_add sets the active defgroup */ curdef= ED_vgroup_add_name (ob, name); ob->actdef= olddef; } if(curdef && curdef!=defgroup) wpd->vgroup_mirror= actdef; } } return 1; } static void wpaint_stroke_update_step(bContext *C, struct PaintStroke *stroke, PointerRNA *itemptr) { ToolSettings *ts= CTX_data_tool_settings(C); VPaint *wp= ts->wpaint; Brush *brush = paint_brush(&wp->paint); struct WPaintData *wpd= paint_stroke_mode_data(stroke); ViewContext *vc; Object *ob; Mesh *me; float mat[4][4]; float paintweight= ts->vgroup_weight; int *indexar; int totindex, index, totw, flip; float alpha; float mval[2], pressure; /* cannot paint if there is no stroke data */ if (wpd == NULL) { // XXX: force a redraw here, since even though we can't paint, // at least view won't freeze until stroke ends ED_region_tag_redraw(CTX_wm_region(C)); return; } vc= &wpd->vc; ob= vc->obact; me= ob->data; indexar= wpd->indexar; view3d_operator_needs_opengl(C); /* load projection matrix */ mul_m4_m4m4(mat, ob->obmat, vc->rv3d->persmat); flip = RNA_boolean_get(itemptr, "pen_flip"); pressure = RNA_float_get(itemptr, "pressure"); RNA_float_get_array(itemptr, "mouse", mval); mval[0]-= vc->ar->winrct.xmin; mval[1]-= vc->ar->winrct.ymin; swap_m4m4(wpd->vc.rv3d->persmat, mat); /* which faces are involved */ if(wp->flag & VP_AREA) { totindex= sample_backbuf_area(vc, indexar, me->totface, mval[0], mval[1], brush_size(brush)); } else { indexar[0]= view3d_sample_backbuf(vc, mval[0], mval[1]); if(indexar[0]) totindex= 1; else totindex= 0; } if(wp->flag & VP_COLINDEX) { for(index=0; indextotface) { MFace *mface= ((MFace *)me->mface) + (indexar[index]-1); if(mface->mat_nr!=ob->actcol-1) { indexar[index]= 0; } } } } if((me->editflag & ME_EDIT_PAINT_MASK) && me->mface) { for(index=0; indextotface) { MFace *mface= ((MFace *)me->mface) + (indexar[index]-1); if((mface->flag & ME_FACE_SEL)==0) { indexar[index]= 0; } } } } /* make sure each vertex gets treated only once */ /* and calculate filter weight */ totw= 0; if(brush->vertexpaint_tool==VP_BLUR) paintweight= 0.0f; else paintweight= ts->vgroup_weight; for(index=0; indextotface) { MFace *mface= me->mface + (indexar[index]-1); (me->dvert+mface->v1)->flag= 1; (me->dvert+mface->v2)->flag= 1; (me->dvert+mface->v3)->flag= 1; if(mface->v4) (me->dvert+mface->v4)->flag= 1; if(brush->vertexpaint_tool==VP_BLUR) { MDeformWeight *dw, *(*dw_func)(MDeformVert *, int); if(wp->flag & VP_ONLYVGROUP) dw_func= (void *)defvert_find_index; /* uses a const, cast to quiet warning */ else dw_func= defvert_verify_index; dw= dw_func(me->dvert+mface->v1, ob->actdef-1); if(dw) {paintweight+= dw->weight; totw++;} dw= dw_func(me->dvert+mface->v2, ob->actdef-1); if(dw) {paintweight+= dw->weight; totw++;} dw= dw_func(me->dvert+mface->v3, ob->actdef-1); if(dw) {paintweight+= dw->weight; totw++;} if(mface->v4) { dw= dw_func(me->dvert+mface->v4, ob->actdef-1); if(dw) {paintweight+= dw->weight; totw++;} } } } } if(brush->vertexpaint_tool==VP_BLUR) paintweight/= (float)totw; for(index=0; indextotface) { MFace *mface= me->mface + (indexar[index]-1); if((me->dvert+mface->v1)->flag) { alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v1, mval, pressure); if(alpha) { do_weight_paint_vertex(wp, ob, mface->v1, alpha, paintweight, flip, wpd->vgroup_mirror, wpd->vgroup_validmap); } (me->dvert+mface->v1)->flag= 0; } if((me->dvert+mface->v2)->flag) { alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v2, mval, pressure); if(alpha) { do_weight_paint_vertex(wp, ob, mface->v2, alpha, paintweight, flip, wpd->vgroup_mirror, wpd->vgroup_validmap); } (me->dvert+mface->v2)->flag= 0; } if((me->dvert+mface->v3)->flag) { alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v3, mval, pressure); if(alpha) { do_weight_paint_vertex(wp, ob, mface->v3, alpha, paintweight, flip, wpd->vgroup_mirror, wpd->vgroup_validmap); } (me->dvert+mface->v3)->flag= 0; } if((me->dvert+mface->v4)->flag) { if(mface->v4) { alpha= calc_vp_alpha_dl(wp, vc, wpd->wpimat, wpd->vertexcosnos+6*mface->v4, mval, pressure); if(alpha) { do_weight_paint_vertex(wp, ob, mface->v4, alpha, paintweight, flip, wpd->vgroup_mirror, wpd->vgroup_validmap); } (me->dvert+mface->v4)->flag= 0; } } } } swap_m4m4(vc->rv3d->persmat, mat); DAG_id_flush_update(ob->data, OB_RECALC_DATA); ED_region_tag_redraw(vc->ar); } static void wpaint_stroke_done(bContext *C, struct PaintStroke *stroke) { ToolSettings *ts= CTX_data_tool_settings(C); Object *ob= CTX_data_active_object(C); struct WPaintData *wpd= paint_stroke_mode_data(stroke); if(wpd) { if(wpd->vertexcosnos) MEM_freeN(wpd->vertexcosnos); MEM_freeN(wpd->indexar); if (wpd->vgroup_validmap) MEM_freeN(wpd->vgroup_validmap); MEM_freeN(wpd); } /* frees prev buffer */ copy_wpaint_prev(ts->wpaint, NULL, 0); /* and particles too */ if(ob->particlesystem.first) { ParticleSystem *psys; int i; for(psys= ob->particlesystem.first; psys; psys= psys->next) { for(i=0; ivgroup[i]==ob->actdef) { psys->recalc |= PSYS_RECALC_RESET; break; } } } } DAG_id_flush_update(ob->data, OB_RECALC_DATA); } static int wpaint_invoke(bContext *C, wmOperator *op, wmEvent *event) { op->customdata = paint_stroke_new(C, NULL, wpaint_stroke_test_start, wpaint_stroke_update_step, wpaint_stroke_done); /* add modal handler */ WM_event_add_modal_handler(C, op); op->type->modal(C, op, event); return OPERATOR_RUNNING_MODAL; } void PAINT_OT_weight_paint(wmOperatorType *ot) { /* identifiers */ ot->name= "Weight Paint"; ot->idname= "PAINT_OT_weight_paint"; /* api callbacks */ ot->invoke= wpaint_invoke; ot->modal= paint_stroke_modal; /* ot->exec= vpaint_exec; <-- needs stroke property */ ot->poll= weight_paint_poll; /* flags */ ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO|OPTYPE_BLOCKING; RNA_def_collection_runtime(ot->srna, "stroke", &RNA_OperatorStrokeElement, "Stroke", ""); } static int weight_paint_set_exec(bContext *C, wmOperator *op) { struct Scene *scene= CTX_data_scene(C); Object *obact = CTX_data_active_object(C); wpaint_fill(scene->toolsettings->wpaint, obact, scene->toolsettings->vgroup_weight); ED_region_tag_redraw(CTX_wm_region(C)); // XXX - should redraw all 3D views return OPERATOR_FINISHED; } void PAINT_OT_weight_set(wmOperatorType *ot) { /* identifiers */ ot->name= "Weight Set"; ot->idname= "PAINT_OT_weight_set"; /* api callbacks */ ot->exec= weight_paint_set_exec; ot->poll= facemask_paint_poll; /* flags */ ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; } /* ************ set / clear vertex paint mode ********** */ static int set_vpaint(bContext *C, wmOperator *op) /* toggle */ { Object *ob= CTX_data_active_object(C); Scene *scene= CTX_data_scene(C); VPaint *vp= scene->toolsettings->vpaint; Mesh *me; me= get_mesh(ob); if(me==NULL || object_data_is_libdata(ob)) { ob->mode &= ~OB_MODE_VERTEX_PAINT; return OPERATOR_PASS_THROUGH; } if(me && me->mcol==NULL) make_vertexcol(ob); /* toggle: end vpaint */ if(ob->mode & OB_MODE_VERTEX_PAINT) { ob->mode &= ~OB_MODE_VERTEX_PAINT; } else { ob->mode |= OB_MODE_VERTEX_PAINT; /* Turn off weight painting */ if (ob->mode & OB_MODE_WEIGHT_PAINT) set_wpaint(C, op); if(vp==NULL) vp= scene->toolsettings->vpaint= new_vpaint(0); paint_cursor_start(C, vertex_paint_poll); paint_init(&vp->paint, PAINT_CURSOR_VERTEX_PAINT); } if (me) /* update modifier stack for mapping requirements */ DAG_id_flush_update(&me->id, OB_RECALC_DATA); WM_event_add_notifier(C, NC_SCENE|ND_MODE, scene); return OPERATOR_FINISHED; } void PAINT_OT_vertex_paint_toggle(wmOperatorType *ot) { /* identifiers */ ot->name= "Vertex Paint Mode"; ot->idname= "PAINT_OT_vertex_paint_toggle"; /* api callbacks */ ot->exec= set_vpaint; ot->poll= paint_poll_test; /* flags */ ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; } /* ********************** vertex paint operator ******************* */ /* Implementation notes: Operator->invoke() - validate context (add mcol) - create customdata storage - call paint once (mouse click) - add modal handler Operator->modal() - for every mousemove, apply vertex paint - exit on mouse release, free customdata (return OPERATOR_FINISHED also removes handler and operator) For future: - implement a stroke event (or mousemove with past positons) - revise whether op->customdata should be added in object, in set_vpaint */ typedef struct VPaintData { ViewContext vc; unsigned int paintcol; int *indexar; float *vertexcosnos; float vpimat[3][3]; } VPaintData; static int vpaint_stroke_test_start(bContext *C, struct wmOperator *op, wmEvent *event) { ToolSettings *ts= CTX_data_tool_settings(C); struct PaintStroke *stroke = op->customdata; VPaint *vp= ts->vpaint; struct VPaintData *vpd; Object *ob= CTX_data_active_object(C); Mesh *me; float mat[4][4], imat[4][4]; /* context checks could be a poll() */ me= get_mesh(ob); if(me==NULL || me->totface==0) return OPERATOR_PASS_THROUGH; if(me->mcol==NULL) make_vertexcol(ob); if(me->mcol==NULL) return OPERATOR_CANCELLED; /* make mode data storage */ vpd= MEM_callocN(sizeof(struct VPaintData), "VPaintData"); paint_stroke_set_mode_data(stroke, vpd); view3d_set_viewcontext(C, &vpd->vc); vpd->vertexcosnos= mesh_get_mapped_verts_nors(vpd->vc.scene, ob); vpd->indexar= get_indexarray(me); vpd->paintcol= vpaint_get_current_col(vp); /* for filtering */ copy_vpaint_prev(vp, (unsigned int *)me->mcol, me->totface); /* some old cruft to sort out later */ mul_m4_m4m4(mat, ob->obmat, vpd->vc.rv3d->viewmat); invert_m4_m4(imat, mat); copy_m3_m4(vpd->vpimat, imat); return 1; } static void vpaint_paint_face(VPaint *vp, VPaintData *vpd, Object *ob, int index, float mval[2], float pressure, int flip) { ViewContext *vc = &vpd->vc; Brush *brush = paint_brush(&vp->paint); Mesh *me = get_mesh(ob); MFace *mface= ((MFace*)me->mface) + index; unsigned int *mcol= ((unsigned int*)me->mcol) + 4*index; unsigned int *mcolorig= ((unsigned int*)vp->vpaint_prev) + 4*index; float alpha; int i; if((vp->flag & VP_COLINDEX && mface->mat_nr!=ob->actcol-1) || ((me->editflag & ME_EDIT_PAINT_MASK) && !(mface->flag & ME_FACE_SEL))) return; if(brush->vertexpaint_tool==VP_BLUR) { unsigned int fcol1= mcol_blend( mcol[0], mcol[1], 128); if(mface->v4) { unsigned int fcol2= mcol_blend( mcol[2], mcol[3], 128); vpd->paintcol= mcol_blend( fcol1, fcol2, 128); } else { vpd->paintcol= mcol_blend( mcol[2], fcol1, 170); } } for(i = 0; i < (mface->v4 ? 4 : 3); ++i) { alpha= calc_vp_alpha_dl(vp, vc, vpd->vpimat, vpd->vertexcosnos+6*(&mface->v1)[i], mval, pressure); if(alpha) vpaint_blend(vp, mcol+i, mcolorig+i, vpd->paintcol, (int)(alpha*255.0)); } } static void vpaint_stroke_update_step(bContext *C, struct PaintStroke *stroke, PointerRNA *itemptr) { ToolSettings *ts= CTX_data_tool_settings(C); struct VPaintData *vpd = paint_stroke_mode_data(stroke); VPaint *vp= ts->vpaint; Brush *brush = paint_brush(&vp->paint); ViewContext *vc= &vpd->vc; Object *ob= vc->obact; Mesh *me= ob->data; float mat[4][4]; int *indexar= vpd->indexar; int totindex, index, flip; float pressure, mval[2]; RNA_float_get_array(itemptr, "mouse", mval); flip = RNA_boolean_get(itemptr, "pen_flip"); pressure = RNA_float_get(itemptr, "pressure"); view3d_operator_needs_opengl(C); /* load projection matrix */ mul_m4_m4m4(mat, ob->obmat, vc->rv3d->persmat); mval[0]-= vc->ar->winrct.xmin; mval[1]-= vc->ar->winrct.ymin; /* which faces are involved */ if(vp->flag & VP_AREA) { totindex= sample_backbuf_area(vc, indexar, me->totface, mval[0], mval[1], brush_size(brush)); } else { indexar[0]= view3d_sample_backbuf(vc, mval[0], mval[1]); if(indexar[0]) totindex= 1; else totindex= 0; } swap_m4m4(vc->rv3d->persmat, mat); for(index=0; indextotface) vpaint_paint_face(vp, vpd, ob, indexar[index]-1, mval, pressure, flip); } swap_m4m4(vc->rv3d->persmat, mat); /* was disabled because it is slow, but necessary for blur */ if(brush->vertexpaint_tool == VP_BLUR) do_shared_vertexcol(me); ED_region_tag_redraw(vc->ar); DAG_id_flush_update(ob->data, OB_RECALC_DATA); } static void vpaint_stroke_done(bContext *C, struct PaintStroke *stroke) { ToolSettings *ts= CTX_data_tool_settings(C); struct VPaintData *vpd= paint_stroke_mode_data(stroke); if(vpd->vertexcosnos) MEM_freeN(vpd->vertexcosnos); MEM_freeN(vpd->indexar); /* frees prev buffer */ copy_vpaint_prev(ts->vpaint, NULL, 0); MEM_freeN(vpd); } static int vpaint_invoke(bContext *C, wmOperator *op, wmEvent *event) { op->customdata = paint_stroke_new(C, NULL, vpaint_stroke_test_start, vpaint_stroke_update_step, vpaint_stroke_done); /* add modal handler */ WM_event_add_modal_handler(C, op); op->type->modal(C, op, event); return OPERATOR_RUNNING_MODAL; } void PAINT_OT_vertex_paint(wmOperatorType *ot) { /* identifiers */ ot->name= "Vertex Paint"; ot->idname= "PAINT_OT_vertex_paint"; /* api callbacks */ ot->invoke= vpaint_invoke; ot->modal= paint_stroke_modal; /* ot->exec= vpaint_exec; <-- needs stroke property */ ot->poll= vertex_paint_poll; /* flags */ ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO|OPTYPE_BLOCKING; RNA_def_collection_runtime(ot->srna, "stroke", &RNA_OperatorStrokeElement, "Stroke", ""); } /* ********************** weight from bones operator ******************* */ static int weight_from_bones_poll(bContext *C) { Object *ob= CTX_data_active_object(C); return (ob && (ob->mode & OB_MODE_WEIGHT_PAINT) && modifiers_isDeformedByArmature(ob)); } static int weight_from_bones_exec(bContext *C, wmOperator *op) { Scene *scene= CTX_data_scene(C); Object *ob= CTX_data_active_object(C); Object *armob= modifiers_isDeformedByArmature(ob); Mesh *me= ob->data; int type= RNA_enum_get(op->ptr, "type"); create_vgroups_from_armature(scene, ob, armob, type, (me->editflag & ME_EDIT_MIRROR_X)); DAG_id_flush_update(&me->id, OB_RECALC_DATA); WM_event_add_notifier(C, NC_GEOM|ND_DATA, me); return OPERATOR_FINISHED; } void PAINT_OT_weight_from_bones(wmOperatorType *ot) { static EnumPropertyItem type_items[]= { {ARM_GROUPS_AUTO, "AUTOMATIC", 0, "Automatic", "Automatic weights froms bones"}, {ARM_GROUPS_ENVELOPE, "ENVELOPES", 0, "From Envelopes", "Weights from envelopes with user defined radius"}, {0, NULL, 0, NULL, NULL}}; /* identifiers */ ot->name= "Weight from Bones"; ot->idname= "PAINT_OT_weight_from_bones"; /* api callbacks */ ot->exec= weight_from_bones_exec; ot->invoke= WM_menu_invoke; ot->poll= weight_from_bones_poll; /* flags */ ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; /* properties */ ot->prop= RNA_def_enum(ot->srna, "type", type_items, 0, "Type", "Method to use for assigning weights."); }