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Diffstat (limited to 'source/blender/src/editface.c')
-rw-r--r--source/blender/src/editface.c1456
1 files changed, 0 insertions, 1456 deletions
diff --git a/source/blender/src/editface.c b/source/blender/src/editface.c
deleted file mode 100644
index 53fb6dbffb1..00000000000
--- a/source/blender/src/editface.c
+++ /dev/null
@@ -1,1456 +0,0 @@
-/**
- * $Id$
- *
- * ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 <math.h>
-#include <string.h>
-
-#include "MEM_guardedalloc.h"
-
-#include "BLI_blenlib.h"
-#include "BLI_arithb.h"
-#include "BLI_heap.h"
-#include "BLI_edgehash.h"
-#include "BLI_editVert.h"
-
-#include "MTC_matrixops.h"
-
-#include "IMB_imbuf_types.h"
-#include "IMB_imbuf.h"
-
-#include "DNA_image_types.h"
-#include "DNA_mesh_types.h"
-#include "DNA_meshdata_types.h"
-#include "DNA_object_types.h"
-#include "DNA_space_types.h"
-#include "DNA_screen_types.h"
-#include "DNA_scene_types.h"
-#include "DNA_view3d_types.h"
-
-#include "BKE_brush.h"
-#include "BKE_customdata.h"
-#include "BKE_depsgraph.h"
-#include "BKE_DerivedMesh.h"
-#include "BKE_displist.h"
-#include "BKE_global.h"
-#include "BKE_mesh.h"
-#include "BKE_multires.h"
-#include "BKE_object.h"
-#include "BKE_texture.h"
-#include "BKE_utildefines.h"
-#include "BKE_customdata.h"
-
-#include "BSE_view.h"
-#include "BSE_edit.h"
-#include "BSE_drawview.h" /* for backdrawview3d */
-
-#include "BIF_editsima.h"
-#include "BIF_editmesh.h"
-#include "BIF_interface.h"
-#include "BIF_mywindow.h"
-#include "BIF_toolbox.h"
-#include "BIF_resources.h"
-#include "BIF_screen.h"
-#include "BIF_gl.h"
-#include "BIF_graphics.h"
-#include "BIF_space.h" /* for allqueue */
-#include "BIF_drawimage.h" /* for allqueue */
-
-#include "BDR_editface.h"
-#include "BDR_vpaint.h"
-
-#include "BDR_editface.h"
-#include "BDR_vpaint.h"
-
-#include "GPU_draw.h"
-
-#include "mydevice.h"
-#include "blendef.h"
-#include "butspace.h"
-
-#include "BSE_trans_types.h"
-
-#include "BDR_unwrapper.h"
-#include "BDR_editobject.h"
-
-#ifndef DISABLE_PYTHON
-#include "BPY_extern.h"
-#include "BPY_menus.h"
-#endif
-
-/* Pupmenu codes: */
-#define UV_CUBE_MAPPING 2
-#define UV_CYL_MAPPING 3
-#define UV_SPHERE_MAPPING 4
-#define UV_BOUNDS_MAPPING 5
-#define UV_RESET_MAPPING 6
-#define UV_WINDOW_MAPPING 7
-#define UV_UNWRAP_MAPPING 8
-#define UV_CYL_EX 32
-#define UV_SPHERE_EX 34
-
-/* Some macro tricks to make pupmenu construction look nicer :-)
- Sorry, just did it for fun. */
-
-#define _STR(x) " " #x
-#define STRING(x) _STR(x)
-
-#define MENUSTRING(string, code) string " %x" STRING(code)
-#define MENUTITLE(string) string " %t|"
-
-
-/* returns 0 if not found, otherwise 1 */
-int facesel_face_pick(Mesh *me, short *mval, unsigned int *index, short rect)
-{
- if (!me || me->totface==0)
- return 0;
-
- if (G.vd->flag & V3D_NEEDBACKBUFDRAW) {
- check_backbuf();
- persp(PERSP_VIEW);
- }
-
- if (rect) {
- /* sample rect to increase changes of selecting, so that when clicking
- on an edge in the backbuf, we can still select a face */
- int dist;
- *index = sample_backbuf_rect(mval, 3, 1, me->totface+1, &dist,0,NULL);
- }
- else
- /* sample only on the exact position */
- *index = sample_backbuf(mval[0], mval[1]);
-
- if ((*index)<=0 || (*index)>(unsigned int)me->totface)
- return 0;
-
- (*index)--;
-
- return 1;
-}
-
-/* only operates on the edit object - this is all thats needed at the moment */
-static void uv_calc_center_vector(float *result, Object *ob, EditMesh *em)
-{
- float min[3], max[3], *cursx;
-
- EditFace *efa;
- switch (G.vd->around)
- {
- case V3D_CENTER: /* bounding box center */
- min[0]= min[1]= min[2]= 1e20f;
- max[0]= max[1]= max[2]= -1e20f;
-
- for (efa= em->faces.first; efa; efa= efa->next) {
- if (efa->f & SELECT) {
- DO_MINMAX(efa->v1->co, min, max);
- DO_MINMAX(efa->v2->co, min, max);
- DO_MINMAX(efa->v3->co, min, max);
- if(efa->v4) DO_MINMAX(efa->v4->co, min, max);
- }
- }
- VecMidf(result, min, max);
- break;
- case V3D_CURSOR: /*cursor center*/
- cursx= give_cursor();
- /* shift to objects world */
- result[0]= cursx[0]-ob->obmat[3][0];
- result[1]= cursx[1]-ob->obmat[3][1];
- result[2]= cursx[2]-ob->obmat[3][2];
- break;
- case V3D_LOCAL: /*object center*/
- case V3D_CENTROID: /* multiple objects centers, only one object here*/
- default:
- result[0]= result[1]= result[2]= 0.0;
- break;
- }
-}
-
-static void uv_calc_map_matrix(float result[][4], Object *ob, float upangledeg, float sideangledeg, float radius)
-{
- float rotup[4][4], rotside[4][4], viewmatrix[4][4], rotobj[4][4];
- float sideangle= 0.0, upangle= 0.0;
- int k;
-
- /* get rotation of the current view matrix */
- Mat4CpyMat4(viewmatrix,G.vd->viewmat);
- /* but shifting */
- for( k= 0; k< 4; k++) viewmatrix[3][k] =0.0;
-
- /* get rotation of the current object matrix */
- Mat4CpyMat4(rotobj,ob->obmat);
- /* but shifting */
- for( k= 0; k< 4; k++) rotobj[3][k] =0.0;
-
- Mat4Clr(*rotup);
- Mat4Clr(*rotside);
-
- /* compensate front/side.. against opengl x,y,z world definition */
- /* this is "kanonen gegen spatzen", a few plus minus 1 will do here */
- /* i wanted to keep the reason here, so we're rotating*/
- sideangle= M_PI * (sideangledeg + 180.0) /180.0;
- rotside[0][0]= (float)cos(sideangle);
- rotside[0][1]= -(float)sin(sideangle);
- rotside[1][0]= (float)sin(sideangle);
- rotside[1][1]= (float)cos(sideangle);
- rotside[2][2]= 1.0f;
-
- upangle= M_PI * upangledeg /180.0;
- rotup[1][1]= (float)cos(upangle)/radius;
- rotup[1][2]= -(float)sin(upangle)/radius;
- rotup[2][1]= (float)sin(upangle)/radius;
- rotup[2][2]= (float)cos(upangle)/radius;
- rotup[0][0]= (float)1.0/radius;
-
- /* calculate transforms*/
- Mat4MulSerie(result,rotup,rotside,viewmatrix,rotobj,NULL,NULL,NULL,NULL);
-}
-
-static void uv_calc_shift_project(float *target, float *shift, float rotmat[][4], int projectionmode, float *source, float *min, float *max)
-{
- float pv[3];
-
- VecSubf(pv, source, shift);
- Mat4MulVecfl(rotmat, pv);
-
- switch(projectionmode) {
- case B_UVAUTO_CYLINDER:
- tubemap(pv[0], pv[1], pv[2], &target[0],&target[1]);
- /* split line is always zero */
- if (target[0] >= 1.0f) target[0] -= 1.0f;
- break;
-
- case B_UVAUTO_SPHERE:
- spheremap(pv[0], pv[1], pv[2], &target[0],&target[1]);
- /* split line is always zero */
- if (target[0] >= 1.0f) target[0] -= 1.0f;
- break;
-
- case 3: /* ortho special case for BOUNDS */
- target[0] = -pv[0];
- target[1] = pv[2];
- break;
-
- case 4:
- {
- /* very special case for FROM WINDOW */
- float pv4[4], dx, dy, x= 0.0, y= 0.0;
-
- dx= G.vd->area->winx;
- dy= G.vd->area->winy;
-
- VecCopyf(pv4, source);
- pv4[3] = 1.0;
-
- /* rotmat is the object matrix in this case */
- Mat4MulVec4fl(rotmat,pv4);
-
- /* almost project_short */
- Mat4MulVec4fl(G.vd->persmat,pv4);
- if (fabs(pv4[3]) > 0.00001) { /* avoid division by zero */
- target[0] = dx/2.0 + (dx/2.0)*pv4[0]/pv4[3];
- target[1] = dy/2.0 + (dy/2.0)*pv4[1]/pv4[3];
- }
- else {
- /* scaling is lost but give a valid result */
- target[0] = dx/2.0 + (dx/2.0)*pv4[0];
- target[1] = dy/2.0 + (dy/2.0)*pv4[1];
- }
-
- /* G.vd->persmat seems to do this funky scaling */
- if(dx > dy) {
- y= (dx-dy)/2.0;
- dy = dx;
- }
- else {
- x= (dy-dx)/2.0;
- dx = dy;
- }
- target[0]= (x + target[0])/dx;
- target[1]= (y + target[1])/dy;
-
- }
- break;
-
- default:
- target[0] = 0.0;
- target[1] = 1.0;
- }
-
- /* we know the values here and may need min_max later */
- /* max requests independand from min; not fastest but safest */
- if(min) {
- min[0] = MIN2(target[0], min[0]);
- min[1] = MIN2(target[1], min[1]);
- }
- if(max) {
- max[0] = MAX2(target[0], max[0]);
- max[1] = MAX2(target[1], max[1]);
- }
-}
-
-static void correct_uv_aspect( void )
-{
- float aspx=1, aspy=1;
- EditMesh *em = G.editMesh;
- EditFace *efa = EM_get_actFace(1);
- MTFace *tface;
-
- if (efa) {
- tface = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
- image_final_aspect(tface->tpage, &aspx, &aspy);
- }
-
- if (aspx != aspy) {
-
- EditMesh *em = G.editMesh;
- float scale;
-
- if (aspx > aspy) {
- scale = aspy/aspx;
- for (efa= em->faces.first; efa; efa= efa->next) {
- if (efa->f & SELECT) {
- tface = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
- tface->uv[0][0] = ((tface->uv[0][0]-0.5)*scale)+0.5;
- tface->uv[1][0] = ((tface->uv[1][0]-0.5)*scale)+0.5;
- tface->uv[2][0] = ((tface->uv[2][0]-0.5)*scale)+0.5;
- if(efa->v4) {
- tface->uv[3][0] = ((tface->uv[3][0]-0.5)*scale)+0.5;
- }
- }
- }
- } else {
- scale = aspx/aspy;
- for (efa= em->faces.first; efa; efa= efa->next) {
- if (efa->f & SELECT) {
- tface = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
- tface->uv[0][1] = ((tface->uv[0][1]-0.5)*scale)+0.5;
- tface->uv[1][1] = ((tface->uv[1][1]-0.5)*scale)+0.5;
- tface->uv[2][1] = ((tface->uv[2][1]-0.5)*scale)+0.5;
- if(efa->v4) {
- tface->uv[3][1] = ((tface->uv[3][1]-0.5)*scale)+0.5;
- }
- }
- }
- }
- }
-}
-
-void calculate_uv_map(unsigned short mapmode)
-{
- MTFace *tface;
- Object *ob;
- float dx, dy, rotatematrix[4][4], radius= 1.0, min[3], cent[3], max[3];
- float fac= 1.0, upangledeg= 0.0, sideangledeg= 90.0;
- int i, b, mi, n;
-
- EditMesh *em = G.editMesh;
- EditFace *efa;
-
- if(G.scene->toolsettings->uvcalc_mapdir==1) {
- upangledeg= 90.0;
- sideangledeg= 0.0;
- } else {
- upangledeg= 0.0;
- if(G.scene->toolsettings->uvcalc_mapalign==1) sideangledeg= 0.0;
- else sideangledeg= 90.0;
- }
-
- /* add uvs if there not here */
- if (!EM_texFaceCheck()) {
- if (em && em->faces.first)
- EM_add_data_layer(&em->fdata, CD_MTFACE);
-
- if (G.sima && G.sima->image) /* this is a bit of a kludge, but assume they want the image on their mesh when UVs are added */
- image_changed(G.sima, G.sima->image);
-
- if (!EM_texFaceCheck())
- return;
-
- /* select new UV's */
- if ((G.sima && G.sima->flag & SI_SYNC_UVSEL)==0) {
- for(efa=em->faces.first; efa; efa=efa->next) {
- MTFace *tf= (MTFace *)CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
- simaFaceSel_Set(efa, tf);
- }
- }
- }
-
- ob=OBACT;
-
- switch(mapmode) {
- case B_UVAUTO_BOUNDS:
- min[0]= min[1]= 10000000.0;
- max[0]= max[1]= -10000000.0;
-
- cent[0] = cent[1] = cent[2] = 0.0;
- uv_calc_map_matrix(rotatematrix, ob, upangledeg, sideangledeg, 1.0f);
-
- for (efa= em->faces.first; efa; efa= efa->next) {
- if (efa->f & SELECT) {
- tface = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
- uv_calc_shift_project(tface->uv[0],cent,rotatematrix,3, efa->v1->co, min,max);
- uv_calc_shift_project(tface->uv[1],cent,rotatematrix,3, efa->v2->co, min,max);
- uv_calc_shift_project(tface->uv[2],cent,rotatematrix,3, efa->v3->co,min,max);
- if(efa->v4)
- uv_calc_shift_project(tface->uv[3],cent,rotatematrix,3, efa->v4->co,min,max);
- }
- }
-
- /* rescale UV to be in 1/1 */
- dx= (max[0]-min[0]);
- dy= (max[1]-min[1]);
-
- for (efa= em->faces.first; efa; efa= efa->next) {
- if (efa->f & SELECT) {
- tface = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
- if(efa->v4) b= 3; else b= 2;
- for(; b>=0; b--) {
- tface->uv[b][0]= ((tface->uv[b][0]-min[0])*fac)/dx;
- tface->uv[b][1]= 1.0-fac+((tface->uv[b][1]-min[1])/* *fac */)/dy;
- }
- }
- }
- break;
-
- case B_UVAUTO_WINDOW:
- cent[0] = cent[1] = cent[2] = 0.0;
- Mat4CpyMat4(rotatematrix,ob->obmat);
- for (efa= em->faces.first; efa; efa= efa->next) {
- if (efa->f & SELECT) {
- tface = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
- uv_calc_shift_project(tface->uv[0],cent,rotatematrix,4, efa->v1->co, NULL,NULL);
- uv_calc_shift_project(tface->uv[1],cent,rotatematrix,4, efa->v2->co, NULL,NULL);
- uv_calc_shift_project(tface->uv[2],cent,rotatematrix,4, efa->v3->co, NULL,NULL);
- if(efa->v4)
- uv_calc_shift_project(tface->uv[3],cent,rotatematrix,4, efa->v4->co, NULL,NULL);
- }
- }
- break;
-
- case B_UVAUTO_RESET:
- for (efa= em->faces.first; efa; efa= efa->next) {
- if (efa->f & SELECT) {
- tface = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
- default_uv(tface->uv, 1.0);
- }
- }
- break;
-
- case B_UVAUTO_CYLINDER:
- case B_UVAUTO_SPHERE:
- uv_calc_center_vector(cent, ob, em);
-
- if(mapmode==B_UVAUTO_CYLINDER) radius = G.scene->toolsettings->uvcalc_radius;
-
- /* be compatible to the "old" sphere/cylinder mode */
- if (G.scene->toolsettings->uvcalc_mapdir== 2)
- Mat4One(rotatematrix);
- else
- uv_calc_map_matrix(rotatematrix,ob,upangledeg,sideangledeg,radius);
- for (efa= em->faces.first; efa; efa= efa->next) {
- if (efa->f & SELECT) {
- tface = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
- uv_calc_shift_project(tface->uv[0],cent,rotatematrix,mapmode, efa->v1->co, NULL,NULL);
- uv_calc_shift_project(tface->uv[1],cent,rotatematrix,mapmode, efa->v2->co, NULL,NULL);
- uv_calc_shift_project(tface->uv[2],cent,rotatematrix,mapmode, efa->v3->co, NULL,NULL);
- n = 3;
- if(efa->v4) {
- uv_calc_shift_project(tface->uv[3],cent,rotatematrix,mapmode, efa->v4->co, NULL,NULL);
- n=4;
- }
-
- mi = 0;
- for (i = 1; i < n; i++)
- if (tface->uv[i][0] > tface->uv[mi][0]) mi = i;
-
- for (i = 0; i < n; i++) {
- if (i != mi) {
- dx = tface->uv[mi][0] - tface->uv[i][0];
- if (dx > 0.5) tface->uv[i][0] += 1.0;
- }
- }
- }
- }
-
- break;
-
- case B_UVAUTO_CUBE:
- {
- /* choose x,y,z axis for projetion depending on the largest normal */
- /* component, but clusters all together around the center of map */
- float no[3];
- short cox, coy;
- float *loc= ob->obmat[3];
- /*MVert *mv= me->mvert;*/
- float cubesize = G.scene->toolsettings->uvcalc_cubesize;
-
- for (efa= em->faces.first; efa; efa= efa->next) {
- if (efa->f & SELECT) {
- tface = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
- CalcNormFloat(efa->v1->co, efa->v2->co, efa->v3->co, no);
-
- no[0]= fabs(no[0]);
- no[1]= fabs(no[1]);
- no[2]= fabs(no[2]);
-
- cox=0; coy= 1;
- if(no[2]>=no[0] && no[2]>=no[1]);
- else if(no[1]>=no[0] && no[1]>=no[2]) coy= 2;
- else { cox= 1; coy= 2; }
-
- tface->uv[0][0]= 0.5+0.5*cubesize*(loc[cox] + efa->v1->co[cox]);
- tface->uv[0][1]= 0.5+0.5*cubesize*(loc[coy] + efa->v1->co[coy]);
- dx = floor(tface->uv[0][0]);
- dy = floor(tface->uv[0][1]);
- tface->uv[0][0] -= dx;
- tface->uv[0][1] -= dy;
- tface->uv[1][0]= 0.5+0.5*cubesize*(loc[cox] + efa->v2->co[cox]);
- tface->uv[1][1]= 0.5+0.5*cubesize*(loc[coy] + efa->v2->co[coy]);
- tface->uv[1][0] -= dx;
- tface->uv[1][1] -= dy;
- tface->uv[2][0]= 0.5+0.5*cubesize*(loc[cox] + efa->v3->co[cox]);
- tface->uv[2][1]= 0.5+0.5*cubesize*(loc[coy] + efa->v3->co[coy]);
- tface->uv[2][0] -= dx;
- tface->uv[2][1] -= dy;
- if(efa->v4) {
- tface->uv[3][0]= 0.5+0.5*cubesize*(loc[cox] + efa->v4->co[cox]);
- tface->uv[3][1]= 0.5+0.5*cubesize*(loc[coy] + efa->v4->co[coy]);
- tface->uv[3][0] -= dx;
- tface->uv[3][1] -= dy;
- }
- }
- }
- break;
- }
- default:
- if ((G.scene->toolsettings->uvcalc_flag & UVCALC_NO_ASPECT_CORRECT)==0)
- correct_uv_aspect();
- return;
- } /* end switch mapmode */
-
- /* clipping and wrapping */
- if(G.sima && G.sima->flag & SI_CLIP_UV) {
- for (efa= em->faces.first; efa; efa= efa->next) {
- if (!(efa->f & SELECT)) continue;
- tface = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
-
- dx= dy= 0;
- if(efa->v4) b= 3; else b= 2;
- for(; b>=0; b--) {
- while(tface->uv[b][0] + dx < 0.0) dx+= 0.5;
- while(tface->uv[b][0] + dx > 1.0) dx-= 0.5;
- while(tface->uv[b][1] + dy < 0.0) dy+= 0.5;
- while(tface->uv[b][1] + dy > 1.0) dy-= 0.5;
- }
-
- if(efa->v4) b= 3; else b= 2;
- for(; b>=0; b--) {
- tface->uv[b][0]+= dx;
- CLAMP(tface->uv[b][0], 0.0, 1.0);
-
- tface->uv[b][1]+= dy;
- CLAMP(tface->uv[b][1], 0.0, 1.0);
- }
- }
- }
-
- if ( (mapmode!=B_UVAUTO_BOUNDS) &&
- (mapmode!=B_UVAUTO_RESET) &&
- (G.scene->toolsettings->uvcalc_flag & UVCALC_NO_ASPECT_CORRECT)==0
- ) {
- correct_uv_aspect();
- }
-
- BIF_undo_push("UV calculation");
-
- object_uvs_changed(OBACT);
-
- allqueue(REDRAWVIEW3D, 0);
- allqueue(REDRAWIMAGE, 0);
-}
-
-/* last_sel, use em->act_face otherwise get the last selected face in the editselections
- * at the moment, last_sel is mainly useful for gaking sure the space image dosnt flicker */
-MTFace *get_active_mtface(EditFace **act_efa, MCol **mcol, int sloppy)
-{
- EditMesh *em = G.editMesh;
- EditFace *efa = NULL;
-
- if(!EM_texFaceCheck())
- return NULL;
-
- efa = EM_get_actFace(sloppy);
-
- if (efa) {
- if (mcol) {
- if (CustomData_has_layer(&em->fdata, CD_MCOL))
- *mcol = CustomData_em_get(&em->fdata, efa->data, CD_MCOL);
- else
- *mcol = NULL;
- }
- if (act_efa) *act_efa = efa;
- return CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
- }
- if (act_efa) *act_efa= NULL;
- if(mcol) *mcol = NULL;
- return NULL;
-}
-
-void default_uv(float uv[][2], float size)
-{
- int dy;
-
- if(size>1.0) size= 1.0;
-
- dy= 1.0-size;
-
- uv[0][0]= 0;
- uv[0][1]= size+dy;
-
- uv[1][0]= 0;
- uv[1][1]= dy;
-
- uv[2][0]= size;
- uv[2][1]= dy;
-
- uv[3][0]= size;
- uv[3][1]= size+dy;
-}
-
-void make_tfaces(Mesh *me)
-{
- if(!me->mtface) {
- if(me->mr) {
- multires_add_layer(me, &me->mr->fdata, CD_MTFACE,
- CustomData_number_of_layers(&me->fdata, CD_MTFACE));
- }
- else {
- me->mtface= CustomData_add_layer(&me->fdata, CD_MTFACE, CD_DEFAULT,
- NULL, me->totface);
- }
- }
-}
-
-void reveal_tface()
-{
- Mesh *me;
- MFace *mface;
- int a;
-
- me= get_mesh(OBACT);
- if(me==0 || me->totface==0) return;
-
- mface= me->mface;
- a= me->totface;
- while(a--) {
- if(mface->flag & ME_HIDE) {
- mface->flag |= ME_FACE_SEL;
- mface->flag -= ME_HIDE;
- }
- mface++;
- }
-
- BIF_undo_push("Reveal face");
-
- object_tface_flags_changed(OBACT, 0);
-}
-
-void hide_tface()
-{
- Mesh *me;
- MFace *mface;
- int a;
-
- me= get_mesh(OBACT);
- if(me==0 || me->totface==0) return;
-
- if(G.qual & LR_ALTKEY) {
- reveal_tface();
- return;
- }
-
- mface= me->mface;
- a= me->totface;
- while(a--) {
- if(mface->flag & ME_HIDE);
- else {
- if(G.qual & LR_SHIFTKEY) {
- if( (mface->flag & ME_FACE_SEL)==0) mface->flag |= ME_HIDE;
- }
- else {
- if( (mface->flag & ME_FACE_SEL)) mface->flag |= ME_HIDE;
- }
- }
- if(mface->flag & ME_HIDE) mface->flag &= ~ME_FACE_SEL;
-
- mface++;
- }
-
- BIF_undo_push("Hide face");
-
- object_tface_flags_changed(OBACT, 0);
-}
-
-void select_linked_tfaces(int mode)
-{
- Object *ob;
- Mesh *me;
- short mval[2];
- unsigned int index=0;
-
- ob = OBACT;
- me = get_mesh(ob);
- if(me==0 || me->totface==0) return;
-
- if (mode==0 || mode==1) {
- if (!(ob->lay & G.vd->lay))
- error("The active object is not in this layer");
-
- getmouseco_areawin(mval);
- if (!facesel_face_pick(me, mval, &index, 1)) return;
- }
-
- select_linked_tfaces_with_seams(mode, me, index);
-}
-
-void deselectall_tface()
-{
- Mesh *me;
- MFace *mface;
- int a, sel;
-
- me= get_mesh(OBACT);
- if(me==0) return;
-
- mface= me->mface;
- a= me->totface;
- sel= 0;
- while(a--) {
- if(mface->flag & ME_HIDE);
- else if(mface->flag & ME_FACE_SEL) sel= 1;
- mface++;
- }
-
- mface= me->mface;
- a= me->totface;
- while(a--) {
- if(mface->flag & ME_HIDE);
- else {
- if(sel) mface->flag &= ~ME_FACE_SEL;
- else mface->flag |= ME_FACE_SEL;
- }
- mface++;
- }
-
- BIF_undo_push("(De)select all faces");
-
- object_tface_flags_changed(OBACT, 0);
-}
-
-void selectswap_tface(void)
-{
- Mesh *me;
- MFace *mface;
- int a;
-
- me= get_mesh(OBACT);
- if(me==0) return;
-
- mface= me->mface;
- a= me->totface;
- while(a--) {
- if(mface->flag & ME_HIDE);
- else {
- if(mface->flag & ME_FACE_SEL) mface->flag &= ~ME_FACE_SEL;
- else mface->flag |= ME_FACE_SEL;
- }
- mface++;
- }
-
- BIF_undo_push("Select inverse face");
-
- object_tface_flags_changed(OBACT, 0);
-}
-
-int minmax_tface(float *min, float *max)
-{
- Object *ob;
- Mesh *me;
- MFace *mf;
- MTFace *tf;
- MVert *mv;
- int a, ok=0;
- float vec[3], bmat[3][3];
-
- ob = OBACT;
- if (ob==0) return ok;
- me= get_mesh(ob);
- if(me==0 || me->mtface==0) return ok;
-
- Mat3CpyMat4(bmat, ob->obmat);
-
- mv= me->mvert;
- mf= me->mface;
- tf= me->mtface;
- for (a=me->totface; a>0; a--, mf++, tf++) {
- if (mf->flag & ME_HIDE || !(mf->flag & ME_FACE_SEL))
- continue;
-
- VECCOPY(vec, (mv+mf->v1)->co);
- Mat3MulVecfl(bmat, vec);
- VecAddf(vec, vec, ob->obmat[3]);
- DO_MINMAX(vec, min, max);
-
- VECCOPY(vec, (mv+mf->v2)->co);
- Mat3MulVecfl(bmat, vec);
- VecAddf(vec, vec, ob->obmat[3]);
- DO_MINMAX(vec, min, max);
-
- VECCOPY(vec, (mv+mf->v3)->co);
- Mat3MulVecfl(bmat, vec);
- VecAddf(vec, vec, ob->obmat[3]);
- DO_MINMAX(vec, min, max);
-
- if (mf->v4) {
- VECCOPY(vec, (mv+mf->v4)->co);
- Mat3MulVecfl(bmat, vec);
- VecAddf(vec, vec, ob->obmat[3]);
- DO_MINMAX(vec, min, max);
- }
- ok= 1;
- }
- return ok;
-}
-
-#define ME_SEAM_DONE 2 /* reuse this flag */
-
-static float edgetag_cut_cost(EditMesh *em, int e1, int e2, int vert)
-{
- EditVert *v = EM_get_vert_for_index(vert);
- EditEdge *eed1 = EM_get_edge_for_index(e1), *eed2 = EM_get_edge_for_index(e2);
- EditVert *v1 = EM_get_vert_for_index( (eed1->v1->tmp.l == vert)? eed1->v2->tmp.l: eed1->v1->tmp.l );
- EditVert *v2 = EM_get_vert_for_index( (eed2->v1->tmp.l == vert)? eed2->v2->tmp.l: eed2->v1->tmp.l );
- float cost, d1[3], d2[3];
-
- cost = VecLenf(v1->co, v->co);
- cost += VecLenf(v->co, v2->co);
-
- VecSubf(d1, v->co, v1->co);
- VecSubf(d2, v2->co, v->co);
-
- cost = cost + 0.5f*cost*(2.0f - fabs(d1[0]*d2[0] + d1[1]*d2[1] + d1[2]*d2[2]));
-
- return cost;
-}
-
-static void edgetag_add_adjacent(EditMesh *em, Heap *heap, int mednum, int vertnum, int *nedges, int *edges, int *prevedge, float *cost)
-{
- int startadj, endadj = nedges[vertnum+1];
-
- for (startadj = nedges[vertnum]; startadj < endadj; startadj++) {
- int adjnum = edges[startadj];
- EditEdge *eedadj = EM_get_edge_for_index(adjnum);
- float newcost;
-
- if (eedadj->f2 & ME_SEAM_DONE)
- continue;
-
- newcost = cost[mednum] + edgetag_cut_cost(em, mednum, adjnum, vertnum);
-
- if (cost[adjnum] > newcost) {
- cost[adjnum] = newcost;
- prevedge[adjnum] = mednum;
- BLI_heap_insert(heap, newcost, SET_INT_IN_POINTER(adjnum));
- }
- }
-}
-
-void edgetag_context_set(EditEdge *eed, int val)
-{
- switch (G.scene->toolsettings->edge_mode) {
- case EDGE_MODE_TAG_SEAM:
- if (val) {eed->seam = 255;}
- else {eed->seam = 0;}
- break;
- case EDGE_MODE_TAG_SHARP:
- if (val) {eed->sharp = 1;}
- else {eed->sharp = 0;}
- break;
- case EDGE_MODE_TAG_CREASE:
- if (val) {eed->crease = 1.0f;}
- else {eed->crease = 0.0f;}
- break;
- case EDGE_MODE_TAG_BEVEL:
- if (val) {eed->bweight = 1.0f;}
- else {eed->bweight = 0.0f;}
- break;
- }
-}
-
-int edgetag_context_check(EditEdge *eed)
-{
- switch (G.scene->toolsettings->edge_mode) {
- case EDGE_MODE_TAG_SEAM:
- return eed->seam ? 1 : 0;
- case EDGE_MODE_TAG_SHARP:
- return eed->sharp ? 1 : 0;
- case EDGE_MODE_TAG_CREASE:
- return eed->crease ? 1 : 0;
- case EDGE_MODE_TAG_BEVEL:
- return eed->bweight ? 1 : 0;
- }
- return 0;
-}
-
-
-int edgetag_shortest_path(EditEdge *source, EditEdge *target)
-{
- EditMesh *em = G.editMesh;
- EditEdge *eed;
- EditVert *ev;
-
- Heap *heap;
- float *cost;
- int a, totvert=0, totedge=0, *nedges, *edges, *prevedge, mednum = -1, nedgeswap = 0;
-
-
- /* we need the vert */
- for (ev= em->verts.first, totvert=0; ev; ev= ev->next) {
- ev->tmp.l = totvert;
- totvert++;
- }
-
- for (eed= em->edges.first; eed; eed = eed->next) {
- eed->f2 = 0;
- if (eed->h) {
- eed->f2 |= ME_SEAM_DONE;
- }
- eed->tmp.l = totedge;
- totedge++;
- }
-
- /* alloc */
- nedges = MEM_callocN(sizeof(*nedges)*totvert+1, "SeamPathNEdges");
- edges = MEM_mallocN(sizeof(*edges)*totedge*2, "SeamPathEdges");
- prevedge = MEM_mallocN(sizeof(*prevedge)*totedge, "SeamPathPrevious");
- cost = MEM_mallocN(sizeof(*cost)*totedge, "SeamPathCost");
-
- /* count edges, compute adjacent edges offsets and fill adjacent edges */
- for (eed= em->edges.first; eed; eed = eed->next) {
- nedges[eed->v1->tmp.l+1]++;
- nedges[eed->v2->tmp.l+1]++;
- }
-
- for (a=1; a<totvert; a++) {
- int newswap = nedges[a+1];
- nedges[a+1] = nedgeswap + nedges[a];
- nedgeswap = newswap;
- }
- nedges[0] = nedges[1] = 0;
-
- for (a=0, eed= em->edges.first; eed; a++, eed = eed->next) {
- edges[nedges[eed->v1->tmp.l+1]++] = a;
- edges[nedges[eed->v2->tmp.l+1]++] = a;
-
- cost[a] = 1e20f;
- prevedge[a] = -1;
- }
-
- /* regular dijkstra shortest path, but over edges instead of vertices */
- heap = BLI_heap_new();
- BLI_heap_insert(heap, 0.0f, SET_INT_IN_POINTER(source->tmp.l));
- cost[source->tmp.l] = 0.0f;
-
- EM_init_index_arrays(1, 1, 0);
-
-
- while (!BLI_heap_empty(heap)) {
- mednum = GET_INT_FROM_POINTER(BLI_heap_popmin(heap));
- eed = EM_get_edge_for_index( mednum );
-
- if (mednum == target->tmp.l)
- break;
-
- if (eed->f2 & ME_SEAM_DONE)
- continue;
-
- eed->f2 |= ME_SEAM_DONE;
-
- edgetag_add_adjacent(em, heap, mednum, eed->v1->tmp.l, nedges, edges, prevedge, cost);
- edgetag_add_adjacent(em, heap, mednum, eed->v2->tmp.l, nedges, edges, prevedge, cost);
- }
-
-
- MEM_freeN(nedges);
- MEM_freeN(edges);
- MEM_freeN(cost);
- BLI_heap_free(heap, NULL);
-
- for (eed= em->edges.first; eed; eed = eed->next) {
- eed->f2 &= ~ME_SEAM_DONE;
- }
-
- if (mednum != target->tmp.l) {
- MEM_freeN(prevedge);
- EM_free_index_arrays();
- return 0;
- }
-
- /* follow path back to source and mark as seam */
- if (mednum == target->tmp.l) {
- short allseams = 1;
-
- mednum = target->tmp.l;
- do {
- eed = EM_get_edge_for_index( mednum );
- if (!edgetag_context_check(eed)) {
- allseams = 0;
- break;
- }
- mednum = prevedge[mednum];
- } while (mednum != source->tmp.l);
-
- mednum = target->tmp.l;
- do {
- eed = EM_get_edge_for_index( mednum );
- if (allseams)
- edgetag_context_set(eed, 0);
- else
- edgetag_context_set(eed, 1);
- mednum = prevedge[mednum];
- } while (mednum != -1);
- }
-
- MEM_freeN(prevedge);
- EM_free_index_arrays();
- return 1;
-}
-
-static void seam_edgehash_insert_face(EdgeHash *ehash, MFace *mf)
-{
- BLI_edgehash_insert(ehash, mf->v1, mf->v2, NULL);
- BLI_edgehash_insert(ehash, mf->v2, mf->v3, NULL);
- if (mf->v4) {
- BLI_edgehash_insert(ehash, mf->v3, mf->v4, NULL);
- BLI_edgehash_insert(ehash, mf->v4, mf->v1, NULL);
- }
- else
- BLI_edgehash_insert(ehash, mf->v3, mf->v1, NULL);
-}
-
-void seam_mark_clear_tface(short mode)
-{
- Mesh *me;
- MFace *mf;
- MEdge *med;
- int a;
-
- me= get_mesh(OBACT);
- if(me==0 || me->totface==0) return;
-
- if (mode == 0)
- mode = pupmenu("Seams%t|Mark Border Seam %x1|Clear Seam %x2");
-
- if (mode != 1 && mode != 2)
- return;
-
- if (mode == 2) {
- EdgeHash *ehash = BLI_edgehash_new();
-
- for (a=0, mf=me->mface; a<me->totface; a++, mf++)
- if (!(mf->flag & ME_HIDE) && (mf->flag & ME_FACE_SEL))
- seam_edgehash_insert_face(ehash, mf);
-
- for (a=0, med=me->medge; a<me->totedge; a++, med++)
- if (BLI_edgehash_haskey(ehash, med->v1, med->v2))
- med->flag &= ~ME_SEAM;
-
- BLI_edgehash_free(ehash, NULL);
- }
- else {
- /* mark edges that are on both selected and deselected faces */
- EdgeHash *ehash1 = BLI_edgehash_new();
- EdgeHash *ehash2 = BLI_edgehash_new();
-
- for (a=0, mf=me->mface; a<me->totface; a++, mf++) {
- if ((mf->flag & ME_HIDE) || !(mf->flag & ME_FACE_SEL))
- seam_edgehash_insert_face(ehash1, mf);
- else
- seam_edgehash_insert_face(ehash2, mf);
- }
-
- for (a=0, med=me->medge; a<me->totedge; a++, med++)
- if (BLI_edgehash_haskey(ehash1, med->v1, med->v2) &&
- BLI_edgehash_haskey(ehash2, med->v1, med->v2))
- med->flag |= ME_SEAM;
-
- BLI_edgehash_free(ehash1, NULL);
- BLI_edgehash_free(ehash2, NULL);
- }
-
- if (G.rt == 8)
- unwrap_lscm(1);
-
- G.f |= G_DRAWSEAMS;
- BIF_undo_push("Mark Seam");
-
- object_tface_flags_changed(OBACT, 1);
-}
-
-void face_select()
-{
- Object *ob;
- Mesh *me;
- MFace *mface, *msel;
- short mval[2];
- unsigned int a, index;
-
- /* Get the face under the cursor */
- ob = OBACT;
- if (!(ob->lay & G.vd->lay)) {
- error("The active object is not in this layer");
- }
- me = get_mesh(ob);
- getmouseco_areawin(mval);
-
- if (!facesel_face_pick(me, mval, &index, 1)) return;
-
- msel= (((MFace*)me->mface)+index);
- if (msel->flag & ME_HIDE) return;
-
- /* clear flags */
- mface = me->mface;
- a = me->totface;
- if ((G.qual & LR_SHIFTKEY)==0) {
- while (a--) {
- mface->flag &= ~ME_FACE_SEL;
- mface++;
- }
- }
-
- me->act_face = (int)index;
-
- if (G.qual & LR_SHIFTKEY) {
- if (msel->flag & ME_FACE_SEL)
- msel->flag &= ~ME_FACE_SEL;
- else
- msel->flag |= ME_FACE_SEL;
- }
- else msel->flag |= ME_FACE_SEL;
-
- /* image window redraw */
-
- BIF_undo_push("Select UV face");
-
- object_tface_flags_changed(OBACT, 1);
-}
-
-void face_borderselect()
-{
- Mesh *me;
- MFace *mface;
- rcti rect;
- struct ImBuf *ibuf;
- unsigned int *rt;
- int a, sx, sy, index, val;
- char *selar;
-
- me= get_mesh(OBACT);
- if(me==0) return;
- if(me->totface==0) return;
-
- val= get_border(&rect, 3);
-
- /* why readbuffer here? shouldn't be necessary (maybe a flush or so) */
- glReadBuffer(GL_BACK);
-#ifdef __APPLE__
- glReadBuffer(GL_AUX0); /* apple only */
-#endif
-
- if(val) {
- selar= MEM_callocN(me->totface+1, "selar");
-
- sx= (rect.xmax-rect.xmin+1);
- sy= (rect.ymax-rect.ymin+1);
- if(sx*sy<=0) return;
-
- ibuf = IMB_allocImBuf(sx,sy,32,IB_rect,0);
- rt = ibuf->rect;
- glReadPixels(rect.xmin+curarea->winrct.xmin, rect.ymin+curarea->winrct.ymin, sx, sy, GL_RGBA, GL_UNSIGNED_BYTE, ibuf->rect);
- if(G.order==B_ENDIAN) IMB_convert_rgba_to_abgr(ibuf);
-
- a= sx*sy;
- while(a--) {
- if(*rt) {
- index= framebuffer_to_index(*rt);
- if(index<=me->totface) selar[index]= 1;
- }
- rt++;
- }
-
- mface= me->mface;
- for(a=1; a<=me->totface; a++, mface++) {
- if(selar[a]) {
- if(mface->flag & ME_HIDE);
- else {
- if(val==LEFTMOUSE) mface->flag |= ME_FACE_SEL;
- else mface->flag &= ~ME_FACE_SEL;
- }
- }
- }
-
- IMB_freeImBuf(ibuf);
- MEM_freeN(selar);
-
- BIF_undo_push("Border Select UV face");
-
- object_tface_flags_changed(OBACT, 0);
- }
-#ifdef __APPLE__
- glReadBuffer(GL_BACK);
-#endif
-}
-
-void uv_autocalc_tface()
-{
- short mode, i=0, has_pymenu=0; /* pymenu must be bigger then UV_*_MAPPING */
-#ifndef DISABLE_PYTHON
- BPyMenu *pym;
-#endif
- char menu_number[3];
-
- /* uvmenu, will add python items */
- char uvmenu[4096]=MENUTITLE("UV Calculation")
- MENUSTRING("Unwrap", UV_UNWRAP_MAPPING) "|%l|"
-
- MENUSTRING("Cube Projection", UV_CUBE_MAPPING) "|"
- MENUSTRING("Cylinder from View", UV_CYL_MAPPING) "|"
- MENUSTRING("Sphere from View", UV_SPHERE_MAPPING) "|%l|"
-
- MENUSTRING("Project From View", UV_WINDOW_MAPPING) "|"
- MENUSTRING("Project from View (Bounds)",UV_BOUNDS_MAPPING) "|%l|"
-
- MENUSTRING("Reset", UV_RESET_MAPPING);
-#ifndef DISABLE_PYTHON
- /* note that we account for the 10 previous entries with i+10: */
- for (pym = BPyMenuTable[PYMENU_UVCALCULATION]; pym; pym = pym->next, i++) {
-
- if (!has_pymenu) {
- strcat(uvmenu, "|%l");
- has_pymenu = 1;
- }
-
- strcat(uvmenu, "|");
- strcat(uvmenu, pym->name);
- strcat(uvmenu, " %x");
- sprintf(menu_number, "%d", i+10);
- strcat(uvmenu, menu_number);
- }
-#endif
-
- mode= pupmenu(uvmenu);
-#ifndef DISABLE_PYTHON
- if (mode >= 10) {
- BPY_menu_do_python(PYMENU_UVCALCULATION, mode - 10);
- return;
- }
-#endif
- switch(mode) {
- case UV_CUBE_MAPPING:
- calculate_uv_map(B_UVAUTO_CUBE); break;
- case UV_CYL_MAPPING:
- calculate_uv_map(B_UVAUTO_CYLINDER); break;
- case UV_SPHERE_MAPPING:
- calculate_uv_map(B_UVAUTO_SPHERE); break;
- case UV_BOUNDS_MAPPING:
- calculate_uv_map(B_UVAUTO_BOUNDS); break;
- case UV_RESET_MAPPING:
- calculate_uv_map(B_UVAUTO_RESET); break;
- case UV_WINDOW_MAPPING:
- calculate_uv_map(B_UVAUTO_WINDOW); break;
- case UV_UNWRAP_MAPPING:
- unwrap_lscm(0); break;
- }
-}
-
-/* Texture Paint */
-
-void set_texturepaint() /* toggle */
-{
- Object *ob = OBACT;
- Mesh *me = 0;
-
- scrarea_queue_headredraw(curarea);
- if(ob==NULL) return;
-
- if (object_data_is_libdata(ob)) {
- error_libdata();
- return;
- }
-
- me= get_mesh(ob);
-
- if(me)
- DAG_object_flush_update(G.scene, ob, OB_RECALC_DATA);
-
- if(G.f & G_TEXTUREPAINT) {
- G.f &= ~G_TEXTUREPAINT;
- GPU_paint_set_mipmap(1);
- }
- else if (me) {
- G.f |= G_TEXTUREPAINT;
-
- if(me->mtface==NULL)
- make_tfaces(me);
-
- brush_check_exists(&G.scene->toolsettings->imapaint.brush);
- GPU_paint_set_mipmap(0);
- }
-
- allqueue(REDRAWVIEW3D, 0);
- allqueue(REDRAWBUTSEDIT, 0);
-}
-
-static void texpaint_project(Object *ob, float *model, float *proj, float *co, float *pco)
-{
- VECCOPY(pco, co);
- pco[3]= 1.0f;
-
- Mat4MulVecfl(ob->obmat, pco);
- Mat4MulVecfl((float(*)[4])model, pco);
- Mat4MulVec4fl((float(*)[4])proj, pco);
-}
-
-static void texpaint_tri_weights(Object *ob, float *v1, float *v2, float *v3, float *co, float *w)
-{
- float pv1[4], pv2[4], pv3[4], h[3], divw;
- float model[16], proj[16], wmat[3][3], invwmat[3][3];
- GLint view[4];
-
- /* compute barycentric coordinates */
-
- /* get the needed opengl matrices */
- glGetIntegerv(GL_VIEWPORT, view);
- glGetFloatv(GL_MODELVIEW_MATRIX, model);
- glGetFloatv(GL_PROJECTION_MATRIX, proj);
- view[0] = view[1] = 0;
-
- /* project the verts */
- texpaint_project(ob, model, proj, v1, pv1);
- texpaint_project(ob, model, proj, v2, pv2);
- texpaint_project(ob, model, proj, v3, pv3);
-
- /* do inverse view mapping, see gluProject man page */
- h[0]= (co[0] - view[0])*2.0f/view[2] - 1;
- h[1]= (co[1] - view[1])*2.0f/view[3] - 1;
- h[2]= 1.0f;
-
- /* solve for (w1,w2,w3)/perspdiv in:
- h*perspdiv = Project*Model*(w1*v1 + w2*v2 + w3*v3) */
-
- wmat[0][0]= pv1[0]; wmat[1][0]= pv2[0]; wmat[2][0]= pv3[0];
- wmat[0][1]= pv1[1]; wmat[1][1]= pv2[1]; wmat[2][1]= pv3[1];
- wmat[0][2]= pv1[3]; wmat[1][2]= pv2[3]; wmat[2][2]= pv3[3];
-
- Mat3Inv(invwmat, wmat);
- Mat3MulVecfl(invwmat, h);
-
- VECCOPY(w, h);
-
- /* w is still divided by perspdiv, make it sum to one */
- divw= w[0] + w[1] + w[2];
- if(divw != 0.0f)
- VecMulf(w, 1.0f/divw);
-}
-
-/* compute uv coordinates of mouse in face */
-void texpaint_pick_uv(Object *ob, Mesh *mesh, unsigned int faceindex, short *xy, float *uv)
-{
- DerivedMesh *dm = mesh_get_derived_final(ob, CD_MASK_BAREMESH);
- int *index = dm->getFaceDataArray(dm, CD_ORIGINDEX);
- MTFace *tface = dm->getFaceDataArray(dm, CD_MTFACE), *tf;
- int numfaces = dm->getNumFaces(dm), a;
- float p[2], w[3], absw, minabsw;
- MFace mf;
- MVert mv[4];
-
- minabsw = 1e10;
- uv[0] = uv[1] = 0.0;
-
- persp(PERSP_VIEW);
-
- /* test all faces in the derivedmesh with the original index of the picked face */
- for (a = 0; a < numfaces; a++) {
- if (index[a] == faceindex) {
- dm->getFace(dm, a, &mf);
-
- dm->getVert(dm, mf.v1, &mv[0]);
- dm->getVert(dm, mf.v2, &mv[1]);
- dm->getVert(dm, mf.v3, &mv[2]);
- if (mf.v4)
- dm->getVert(dm, mf.v4, &mv[3]);
-
- tf= &tface[a];
-
- p[0]= xy[0];
- p[1]= xy[1];
-
- if (mf.v4) {
- /* the triangle with the largest absolute values is the one
- with the most negative weights */
- texpaint_tri_weights(ob, mv[0].co, mv[1].co, mv[3].co, p, w);
- absw= fabs(w[0]) + fabs(w[1]) + fabs(w[2]);
- if(absw < minabsw) {
- uv[0]= tf->uv[0][0]*w[0] + tf->uv[1][0]*w[1] + tf->uv[3][0]*w[2];
- uv[1]= tf->uv[0][1]*w[0] + tf->uv[1][1]*w[1] + tf->uv[3][1]*w[2];
- minabsw = absw;
- }
-
- texpaint_tri_weights(ob, mv[1].co, mv[2].co, mv[3].co, p, w);
- absw= fabs(w[0]) + fabs(w[1]) + fabs(w[2]);
- if (absw < minabsw) {
- uv[0]= tf->uv[1][0]*w[0] + tf->uv[2][0]*w[1] + tf->uv[3][0]*w[2];
- uv[1]= tf->uv[1][1]*w[0] + tf->uv[2][1]*w[1] + tf->uv[3][1]*w[2];
- minabsw = absw;
- }
- }
- else {
- texpaint_tri_weights(ob, mv[0].co, mv[1].co, mv[2].co, p, w);
- absw= fabs(w[0]) + fabs(w[1]) + fabs(w[2]);
- if (absw < minabsw) {
- uv[0]= tf->uv[0][0]*w[0] + tf->uv[1][0]*w[1] + tf->uv[2][0]*w[2];
- uv[1]= tf->uv[0][1]*w[0] + tf->uv[1][1]*w[1] + tf->uv[2][1]*w[2];
- minabsw = absw;
- }
- }
- }
- }
-
- dm->release(dm);
-}