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Diffstat (limited to 'source/blender/src/editmesh_lib.c')
| -rw-r--r-- | source/blender/src/editmesh_lib.c | 2311 |
1 files changed, 0 insertions, 2311 deletions
diff --git a/source/blender/src/editmesh_lib.c b/source/blender/src/editmesh_lib.c deleted file mode 100644 index cace0d350b0..00000000000 --- a/source/blender/src/editmesh_lib.c +++ /dev/null @@ -1,2311 +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) 2004 by NaN Holding BV. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): none yet. - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/* - -editmesh_lib: generic (no UI, no menus) operations/evaluators for editmesh data - -*/ - -#include <stdlib.h> -#include <string.h> -#include <math.h> - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "MEM_guardedalloc.h" - - -#include "DNA_mesh_types.h" -#include "DNA_meshdata_types.h" -#include "DNA_modifier_types.h" -#include "DNA_object_types.h" -#include "DNA_scene_types.h" - -#include "BLI_blenlib.h" -#include "BLI_arithb.h" -#include "BLI_editVert.h" - -#include "BKE_customdata.h" -#include "BKE_global.h" -#include "BKE_mesh.h" -#include "BKE_utildefines.h" - -#include "BIF_editmesh.h" - -#ifdef WITH_VERSE -#include "BIF_verse.h" -#endif - -#include "BSE_edit.h" - -#include "editmesh.h" - -/* this replaces the active flag used in uv/face mode */ -void EM_set_actFace(EditFace *efa) -{ - G.editMesh->act_face = efa; -} - -EditFace * EM_get_actFace(int sloppy) -{ - if (G.editMesh->act_face) { - return G.editMesh->act_face; - } else if (sloppy) { - EditFace *efa= NULL; - EditSelection *ese; - - ese = G.editMesh->selected.last; - for (; ese; ese=ese->prev){ - if(ese->type == EDITFACE) { - efa = (EditFace *)ese->data; - - if (efa->h) efa= NULL; - else break; - } - } - if (efa==NULL) { - for (efa= G.editMesh->faces.first; efa; efa= efa->next) { - if (efa->f & SELECT) - break; - } - } - return efa; /* can still be null */ - } - return NULL; -} - -int EM_get_actSelection(EditSelection *ese) -{ - EditSelection *ese_last = G.editMesh->selected.last; - EditFace *efa = EM_get_actFace(0); - - ese->next = ese->prev = NULL; - - if (ese_last) { - if (ese_last->type == EDITFACE) { /* if there is an active face, use it over the last selected face */ - if (efa) { - ese->data = (void *)efa; - } else { - ese->data = ese_last->data; - } - ese->type = EDITFACE; - } else { - ese->data = ese_last->data; - ese->type = ese_last->type; - } - } else if (efa) { /* no */ - ese->data = (void *)efa; - ese->type = EDITFACE; - } else { - ese->data = NULL; - return 0; - } - return 1; -} - -/* ********* Selection History ************ */ -static int EM_check_selection(void *data) -{ - EditSelection *ese; - - for(ese = G.editMesh->selected.first; ese; ese = ese->next){ - if(ese->data == data) return 1; - } - - return 0; -} - -void EM_remove_selection(void *data, int type) -{ - EditSelection *ese; - for(ese=G.editMesh->selected.first; ese; ese = ese->next){ - if(ese->data == data){ - BLI_freelinkN(&(G.editMesh->selected),ese); - break; - } - } -} - -void EM_store_selection(void *data, int type) -{ - EditSelection *ese; - if(!EM_check_selection(data)){ - ese = (EditSelection*) MEM_callocN( sizeof(EditSelection), "Edit Selection"); - ese->type = type; - ese->data = data; - BLI_addtail(&(G.editMesh->selected),ese); - } -} - -void EM_validate_selections(void) -{ - EditSelection *ese, *nextese; - EditMesh *em = G.editMesh; - ese = em->selected.first; - while(ese){ - nextese = ese->next; - if(ese->type == EDITVERT && !(((EditVert*)ese->data)->f & SELECT)) BLI_freelinkN(&(em->selected), ese); - else if(ese->type == EDITEDGE && !(((EditEdge*)ese->data)->f & SELECT)) BLI_freelinkN(&(em->selected), ese); - else if(ese->type == EDITFACE && !(((EditFace*)ese->data)->f & SELECT)) BLI_freelinkN(&(em->selected), ese); - ese = nextese; - } -} - -static void EM_strip_selections(void) -{ - EditSelection *ese, *nextese; - if(!(G.scene->selectmode & SCE_SELECT_VERTEX)){ - ese = G.editMesh->selected.first; - while(ese){ - nextese = ese->next; - if(ese->type == EDITVERT) BLI_freelinkN(&(G.editMesh->selected),ese); - ese = nextese; - } - } - if(!(G.scene->selectmode & SCE_SELECT_EDGE)){ - ese=G.editMesh->selected.first; - while(ese){ - nextese = ese->next; - if(ese->type == EDITEDGE) BLI_freelinkN(&(G.editMesh->selected), ese); - ese = nextese; - } - } - if(!(G.scene->selectmode & SCE_SELECT_FACE)){ - ese=G.editMesh->selected.first; - while(ese){ - nextese = ese->next; - if(ese->type == EDITFACE) BLI_freelinkN(&(G.editMesh->selected), ese); - ese = nextese; - } - } -} - -/* generic way to get data from an EditSelection type -These functions were written to be used by the Modifier widget when in Rotate about active mode, -but can be used anywhere. -EM_editselection_center -EM_editselection_normal -EM_editselection_plane -*/ -void EM_editselection_center(float *center, EditSelection *ese) -{ - if (ese->type==EDITVERT) { - EditVert *eve= ese->data; - VecCopyf(center, eve->co); - } else if (ese->type==EDITEDGE) { - EditEdge *eed= ese->data; - VecAddf(center, eed->v1->co, eed->v2->co); - VecMulf(center, 0.5); - } else if (ese->type==EDITFACE) { - EditFace *efa= ese->data; - VecCopyf(center, efa->cent); - } -} - -void EM_editselection_normal(float *normal, EditSelection *ese) -{ - if (ese->type==EDITVERT) { - EditVert *eve= ese->data; - VecCopyf(normal, eve->no); - } else if (ese->type==EDITEDGE) { - EditEdge *eed= ese->data; - float plane[3]; /* need a plane to correct the normal */ - float vec[3]; /* temp vec storage */ - - VecAddf(normal, eed->v1->no, eed->v2->no); - VecSubf(plane, eed->v2->co, eed->v1->co); - - /* the 2 vertex normals will be close but not at rightangles to the edge - for rotate about edge we want them to be at right angles, so we need to - do some extra colculation to correct the vert normals, - we need the plane for this */ - Crossf(vec, normal, plane); - Crossf(normal, plane, vec); - Normalize(normal); - - } else if (ese->type==EDITFACE) { - EditFace *efa= ese->data; - VecCopyf(normal, efa->n); - } -} - -/* Calculate a plane that is rightangles to the edge/vert/faces normal -also make the plane run allong an axis that is related to the geometry, -because this is used for the manipulators Y axis.*/ -void EM_editselection_plane(float *plane, EditSelection *ese) -{ - if (ese->type==EDITVERT) { - EditVert *eve= ese->data; - float vec[3]={0,0,0}; - - if (ese->prev) { /*use previously selected data to make a usefull vertex plane */ - EM_editselection_center(vec, ese->prev); - VecSubf(plane, vec, eve->co); - } else { - /* make a fake plane thats at rightangles to the normal - we cant make a crossvec from a vec thats the same as the vec - unlikely but possible, so make sure if the normal is (0,0,1) - that vec isnt the same or in the same direction even.*/ - if (eve->no[0]<0.5) vec[0]=1; - else if (eve->no[1]<0.5) vec[1]=1; - else vec[2]=1; - Crossf(plane, eve->no, vec); - } - } else if (ese->type==EDITEDGE) { - EditEdge *eed= ese->data; - - /*the plane is simple, it runs allong the edge - however selecting different edges can swap the direction of the y axis. - this makes it less likely for the y axis of the manipulator - (running along the edge).. to flip less often. - at least its more pradictable */ - if (eed->v2->co[1] > eed->v1->co[1]) /*check which to do first */ - VecSubf(plane, eed->v2->co, eed->v1->co); - else - VecSubf(plane, eed->v1->co, eed->v2->co); - - } else if (ese->type==EDITFACE) { - EditFace *efa= ese->data; - float vec[3]; - if (efa->v4) { /*if its a quad- set the plane along the 2 longest edges.*/ - float vecA[3], vecB[3]; - VecSubf(vecA, efa->v4->co, efa->v3->co); - VecSubf(vecB, efa->v1->co, efa->v2->co); - VecAddf(plane, vecA, vecB); - - VecSubf(vecA, efa->v1->co, efa->v4->co); - VecSubf(vecB, efa->v2->co, efa->v3->co); - VecAddf(vec, vecA, vecB); - /*use the biggest edge length*/ - if (plane[0]*plane[0]+plane[1]*plane[1]+plane[2]*plane[2] < vec[0]*vec[0]+vec[1]*vec[1]+vec[2]*vec[2]) - VecCopyf(plane, vec); - } else { - /*start with v1-2 */ - VecSubf(plane, efa->v1->co, efa->v2->co); - - /*test the edge between v2-3, use if longer */ - VecSubf(vec, efa->v2->co, efa->v3->co); - if (plane[0]*plane[0]+plane[1]*plane[1]+plane[2]*plane[2] < vec[0]*vec[0]+vec[1]*vec[1]+vec[2]*vec[2]) - VecCopyf(plane, vec); - - /*test the edge between v1-3, use if longer */ - VecSubf(vec, efa->v3->co, efa->v1->co); - if (plane[0]*plane[0]+plane[1]*plane[1]+plane[2]*plane[2] < vec[0]*vec[0]+vec[1]*vec[1]+vec[2]*vec[2]) - VecCopyf(plane, vec); - } - } - Normalize(plane); -} - - - -void EM_select_face(EditFace *efa, int sel) -{ - if(sel) { - efa->f |= SELECT; - efa->e1->f |= SELECT; - efa->e2->f |= SELECT; - efa->e3->f |= SELECT; - if(efa->e4) efa->e4->f |= SELECT; - efa->v1->f |= SELECT; - efa->v2->f |= SELECT; - efa->v3->f |= SELECT; - if(efa->v4) efa->v4->f |= SELECT; - } - else { - efa->f &= ~SELECT; - efa->e1->f &= ~SELECT; - efa->e2->f &= ~SELECT; - efa->e3->f &= ~SELECT; - if(efa->e4) efa->e4->f &= ~SELECT; - efa->v1->f &= ~SELECT; - efa->v2->f &= ~SELECT; - efa->v3->f &= ~SELECT; - if(efa->v4) efa->v4->f &= ~SELECT; - } -} - -void EM_select_edge(EditEdge *eed, int sel) -{ - if(sel) { - eed->f |= SELECT; - eed->v1->f |= SELECT; - eed->v2->f |= SELECT; - } - else { - eed->f &= ~SELECT; - eed->v1->f &= ~SELECT; - eed->v2->f &= ~SELECT; - } -} - -void EM_select_face_fgon(EditFace *efa, int val) -{ - EditMesh *em = G.editMesh; - short index=0; - - if(efa->fgonf==0) EM_select_face(efa, val); - else { - if(efa->e1->fgoni) index= efa->e1->fgoni; - if(efa->e2->fgoni) index= efa->e2->fgoni; - if(efa->e3->fgoni) index= efa->e3->fgoni; - if(efa->v4 && efa->e4->fgoni) index= efa->e4->fgoni; - - if(index==0) printf("wrong fgon select\n"); - - // select all ngon faces with index - for(efa= em->faces.first; efa; efa= efa->next) { - if(efa->fgonf) { - if(efa->e1->fgoni==index || efa->e2->fgoni==index || - efa->e3->fgoni==index || (efa->e4 && efa->e4->fgoni==index) ) { - EM_select_face(efa, val); - } - } - } - } -} - - -/* only vertices */ -int faceselectedOR(EditFace *efa, int flag) -{ - if ((efa->v1->f | efa->v2->f | efa->v3->f | (efa->v4?efa->v4->f:0))&flag) { - return 1; - } else { - return 0; - } -} - -// replace with (efa->f & SELECT) -int faceselectedAND(EditFace *efa, int flag) -{ - if ((efa->v1->f & efa->v2->f & efa->v3->f & (efa->v4?efa->v4->f:flag))&flag) { - return 1; - } else { - return 0; - } -} - -int EM_nfaces_selected(void) -{ - EditMesh *em = G.editMesh; - EditFace *efa; - int count= 0; - - for (efa= em->faces.first; efa; efa= efa->next) - if (efa->f & SELECT) - count++; - - return count; -} - -#if 0 -static int EM_nedges(void) -{ - EditMesh *em = G.editMesh; - EditEdge *eed; - int count= 0; - - for (eed= em->edges.first; eed; eed= eed->next) count++; - return count; -} -#endif - -int EM_nvertices_selected(void) -{ - EditMesh *em = G.editMesh; - EditVert *eve; - int count= 0; - - for (eve= em->verts.first; eve; eve= eve->next) - if (eve->f & SELECT) - count++; - - return count; -} - -void EM_clear_flag_all(int flag) -{ - EditMesh *em = G.editMesh; - EditVert *eve; - EditEdge *eed; - EditFace *efa; - - for (eve= em->verts.first; eve; eve= eve->next) eve->f &= ~flag; - for (eed= em->edges.first; eed; eed= eed->next) eed->f &= ~flag; - for (efa= em->faces.first; efa; efa= efa->next) efa->f &= ~flag; - - if(flag & SELECT) BLI_freelistN(&(G.editMesh->selected)); -} - -void EM_set_flag_all(int flag) -{ - EditMesh *em = G.editMesh; - EditVert *eve; - EditEdge *eed; - EditFace *efa; - - for (eve= em->verts.first; eve; eve= eve->next) if(eve->h==0) eve->f |= flag; - for (eed= em->edges.first; eed; eed= eed->next) if(eed->h==0) eed->f |= flag; - for (efa= em->faces.first; efa; efa= efa->next) if(efa->h==0) efa->f |= flag; - -} - -/* flush for changes in vertices only */ -void EM_deselect_flush(void) -{ - EditMesh *em = G.editMesh; - EditEdge *eed; - EditFace *efa; - - for(eed= em->edges.first; eed; eed= eed->next) { - if(eed->v1->f & eed->v2->f & SELECT); - else eed->f &= ~SELECT; - } - for(efa= em->faces.first; efa; efa= efa->next) { - if(efa->v4) { - if(efa->v1->f & efa->v2->f & efa->v3->f & efa->v4->f & SELECT ); - else efa->f &= ~SELECT; - } - else { - if(efa->v1->f & efa->v2->f & efa->v3->f & SELECT ); - else efa->f &= ~SELECT; - } - } -} - - -/* flush selection to edges & faces */ - -/* this only based on coherent selected vertices, for example when adding new - objects. call clear_flag_all() before you select vertices to be sure it ends OK! - -*/ - -void EM_select_flush(void) -{ - EditMesh *em = G.editMesh; - EditEdge *eed; - EditFace *efa; - - for(eed= em->edges.first; eed; eed= eed->next) { - if(eed->v1->f & eed->v2->f & SELECT) eed->f |= SELECT; - } - for(efa= em->faces.first; efa; efa= efa->next) { - if(efa->v4) { - if(efa->v1->f & efa->v2->f & efa->v3->f & efa->v4->f & SELECT ) efa->f |= SELECT; - } - else { - if(efa->v1->f & efa->v2->f & efa->v3->f & SELECT ) efa->f |= SELECT; - } - } -} - -/* when vertices or edges can be selected, also make fgon consistant */ -static void check_fgons_selection() -{ - EditMesh *em = G.editMesh; - EditFace *efa, *efan; - EditEdge *eed; - ListBase *lbar; - int sel, desel, index, totfgon= 0; - - /* count amount of fgons */ - for(eed= em->edges.first; eed; eed= eed->next) - if(eed->fgoni>totfgon) totfgon= eed->fgoni; - - if(totfgon==0) return; - - lbar= MEM_callocN((totfgon+1)*sizeof(ListBase), "listbase array"); - - /* put all fgons in lbar */ - for(efa= em->faces.first; efa; efa= efan) { - efan= efa->next; - index= efa->e1->fgoni; - if(index==0) index= efa->e2->fgoni; - if(index==0) index= efa->e3->fgoni; - if(index==0 && efa->e4) index= efa->e4->fgoni; - if(index) { - BLI_remlink(&em->faces, efa); - BLI_addtail(&lbar[index], efa); - } - } - - /* now check the fgons */ - for(index=1; index<=totfgon; index++) { - /* we count on vertices/faces/edges being set OK, so we only have to set ngon itself */ - sel= desel= 0; - for(efa= lbar[index].first; efa; efa= efa->next) { - if(efa->e1->fgoni==0) { - if(efa->e1->f & SELECT) sel++; - else desel++; - } - if(efa->e2->fgoni==0) { - if(efa->e2->f & SELECT) sel++; - else desel++; - } - if(efa->e3->fgoni==0) { - if(efa->e3->f & SELECT) sel++; - else desel++; - } - if(efa->e4 && efa->e4->fgoni==0) { - if(efa->e4->f & SELECT) sel++; - else desel++; - } - - if(sel && desel) break; - } - - if(sel && desel) sel= 0; - else if(sel) sel= 1; - else sel= 0; - - /* select/deselect and put back */ - for(efa= lbar[index].first; efa; efa= efa->next) { - if(sel) efa->f |= SELECT; - else efa->f &= ~SELECT; - } - addlisttolist(&em->faces, &lbar[index]); - } - - MEM_freeN(lbar); -} - - -/* flush to edges & faces */ - -/* based on select mode it selects edges/faces - assumed is that verts/edges/faces were properly selected themselves - with the calls above -*/ - -void EM_selectmode_flush(void) -{ - EditMesh *em = G.editMesh; - EditEdge *eed; - EditFace *efa; - - // flush to edges & faces - if(G.scene->selectmode & SCE_SELECT_VERTEX) { - for(eed= em->edges.first; eed; eed= eed->next) { - if(eed->v1->f & eed->v2->f & SELECT) eed->f |= SELECT; - else eed->f &= ~SELECT; - } - for(efa= em->faces.first; efa; efa= efa->next) { - if(efa->v4) { - if(efa->v1->f & efa->v2->f & efa->v3->f & efa->v4->f & SELECT) efa->f |= SELECT; - else efa->f &= ~SELECT; - } - else { - if(efa->v1->f & efa->v2->f & efa->v3->f & SELECT) efa->f |= SELECT; - else efa->f &= ~SELECT; - } - } - } - // flush to faces - else if(G.scene->selectmode & SCE_SELECT_EDGE) { - for(efa= em->faces.first; efa; efa= efa->next) { - if(efa->e4) { - if(efa->e1->f & efa->e2->f & efa->e3->f & efa->e4->f & SELECT) efa->f |= SELECT; - else efa->f &= ~SELECT; - } - else { - if(efa->e1->f & efa->e2->f & efa->e3->f & SELECT) efa->f |= SELECT; - else efa->f &= ~SELECT; - } - } - } - // make sure selected faces have selected edges too, for extrude (hack?) - else if(G.scene->selectmode & SCE_SELECT_FACE) { - for(efa= em->faces.first; efa; efa= efa->next) { - if(efa->f & SELECT) EM_select_face(efa, 1); - } - } - - if(!(G.scene->selectmode & SCE_SELECT_FACE)) - check_fgons_selection(); - -} - -void EM_convertsel(short oldmode, short selectmode) -{ - EditMesh *em = G.editMesh; - EditVert *eve; - EditEdge *eed; - EditFace *efa; - /*clear flags*/ - for(eve= em->verts.first; eve; eve= eve->next) eve->f1 = 0; - for(eed= em->edges.first; eed; eed= eed->next) eed->f1 = 0; - for(efa= em->faces.first; efa; efa= efa->next) efa->f1 = 0; - - /*have to find out what the selectionmode was previously*/ - if(oldmode == SCE_SELECT_VERTEX) { - if(selectmode == SCE_SELECT_EDGE){ - /*select all edges associated with every selected vertex*/ - for(eed= em->edges.first; eed; eed= eed->next){ - if(eed->v1->f&SELECT) eed->f1 = 1; - else if(eed->v2->f&SELECT) eed->f1 = 1; - } - - for(eed= em->edges.first; eed; eed= eed->next){ - if(eed->f1 == 1) EM_select_edge(eed,1); - } - } - else if(selectmode == SCE_SELECT_FACE){ - /*select all faces associated with every selected vertex*/ - for(efa= em->faces.first; efa; efa= efa->next){ - if(efa->v1->f&SELECT) efa->f1 = 1; - else if(efa->v2->f&SELECT) efa->f1 = 1; - else if(efa->v3->f&SELECT) efa->f1 = 1; - else{ - if(efa->v4){ - if(efa->v4->f&SELECT) efa->f1 =1; - } - } - } - for(efa= em->faces.first; efa; efa= efa->next){ - if(efa->f1 == 1) EM_select_face(efa,1); - } - } - } - - if(oldmode == SCE_SELECT_EDGE){ - if(selectmode == SCE_SELECT_FACE){ - for(efa= em->faces.first; efa; efa= efa->next){ - if(efa->e1->f&SELECT) efa->f1 = 1; - else if(efa->e2->f&SELECT) efa->f1 = 1; - else if(efa->e3->f&SELECT) efa->f1 = 1; - else if(efa->e4){ - if(efa->e4->f&SELECT) efa->f1 = 1; - } - } - for(efa= em->faces.first; efa; efa= efa->next){ - if(efa->f1 == 1) EM_select_face(efa,1); - } - } - } - - check_fgons_selection(); -} - -/* when switching select mode, makes sure selection is consistant for editing */ -/* also for paranoia checks to make sure edge or face mode works */ -void EM_selectmode_set(void) -{ - EditMesh *em = G.editMesh; - EditVert *eve; - EditEdge *eed; - EditFace *efa; - - EM_strip_selections(); /*strip EditSelections from em->selected that are not relevant to new mode*/ - if(G.scene->selectmode & SCE_SELECT_VERTEX) { - /* vertices -> edges -> faces */ - for (eed= em->edges.first; eed; eed= eed->next) eed->f &= ~SELECT; - for (efa= em->faces.first; efa; efa= efa->next) efa->f &= ~SELECT; - - EM_select_flush(); - } - else if(G.scene->selectmode & SCE_SELECT_EDGE) { - /* deselect vertices, and select again based on edge select */ - for(eve= em->verts.first; eve; eve= eve->next) eve->f &= ~SELECT; - for(eed= em->edges.first; eed; eed= eed->next) - if(eed->f & SELECT) EM_select_edge(eed, 1); - /* selects faces based on edge status */ - EM_selectmode_flush(); - } - else if(G.scene->selectmode & SCE_SELECT_FACE) { - /* deselect eges, and select again based on face select */ - for(eed= em->edges.first; eed; eed= eed->next) EM_select_edge(eed, 0); - - for(efa= em->faces.first; efa; efa= efa->next) - if(efa->f & SELECT) EM_select_face(efa, 1); - } -} - -/* paranoia check, actually only for entering editmode. rule: -- vertex hidden, always means edge is hidden too -- edge hidden, always means face is hidden too -- face hidden, dont change anything -*/ -void EM_hide_reset(void) -{ - EditMesh *em = G.editMesh; - EditEdge *eed; - EditFace *efa; - - for(eed= em->edges.first; eed; eed= eed->next) - if(eed->v1->h || eed->v2->h) eed->h |= 1; - - for(efa= em->faces.first; efa; efa= efa->next) - if((efa->e1->h & 1) || (efa->e2->h & 1) || (efa->e3->h & 1) || (efa->e4 && (efa->e4->h & 1))) - efa->h= 1; - -} - -void EM_data_interp_from_verts(EditVert *v1, EditVert *v2, EditVert *eve, float fac) -{ - EditMesh *em= G.editMesh; - void *src[2]; - float w[2]; - - if (v1->data && v2->data) { - src[0]= v1->data; - src[1]= v2->data; - w[0] = 1.0f-fac; - w[1] = fac; - - CustomData_em_interp(&em->vdata, src, w, NULL, 2, eve->data); - } -} - -void EM_data_interp_from_faces(EditFace *efa1, EditFace *efa2, EditFace *efan, int i1, int i2, int i3, int i4) -{ - EditMesh *em= G.editMesh; - float w[2][4][4]; - void *src[2]; - int count = (efa2)? 2: 1; - - if (efa1->data) { - /* set weights for copying from corners directly to other corners */ - memset(w, 0, sizeof(w)); - - w[i1/4][0][i1%4]= 1.0f; - w[i2/4][1][i2%4]= 1.0f; - w[i3/4][2][i3%4]= 1.0f; - if (i4 != -1) - w[i4/4][3][i4%4]= 1.0f; - - src[0]= efa1->data; - src[1]= (efa2)? efa2->data: NULL; - - CustomData_em_interp(&em->fdata, src, NULL, (float*)w, count, efan->data); - } -} - -EditFace *EM_face_from_faces(EditFace *efa1, EditFace *efa2, int i1, int i2, int i3, int i4) -{ - EditFace *efan; - EditVert **v[2]; - - v[0]= &efa1->v1; - v[1]= (efa2)? &efa2->v1: NULL; - - efan= addfacelist(v[i1/4][i1%4], v[i2/4][i2%4], v[i3/4][i3%4], - (i4 == -1)? 0: v[i4/4][i4%4], efa1, NULL); - - EM_data_interp_from_faces(efa1, efa2, efan, i1, i2, i3, i4); - - return efan; -} - -static void update_data_blocks(CustomData *olddata, CustomData *data) -{ - EditMesh *em= G.editMesh; - EditFace *efa; - EditVert *eve; - void *block; - - if (data == &G.editMesh->vdata) { - for(eve= em->verts.first; eve; eve= eve->next) { - block = NULL; - CustomData_em_set_default(data, &block); - CustomData_em_copy_data(olddata, data, eve->data, &block); - CustomData_em_free_block(olddata, &eve->data); - eve->data= block; - } - } - else if (data == &G.editMesh->fdata) { - for(efa= em->faces.first; efa; efa= efa->next) { - block = NULL; - CustomData_em_set_default(data, &block); - CustomData_em_copy_data(olddata, data, efa->data, &block); - CustomData_em_free_block(olddata, &efa->data); - efa->data= block; - } - } -} - -void EM_add_data_layer(CustomData *data, int type) -{ - CustomData olddata; - - olddata= *data; - olddata.layers= (olddata.layers)? MEM_dupallocN(olddata.layers): NULL; - CustomData_add_layer(data, type, CD_CALLOC, NULL, 0); - - update_data_blocks(&olddata, data); - if (olddata.layers) MEM_freeN(olddata.layers); -} - -void EM_free_data_layer(CustomData *data, int type) -{ - CustomData olddata; - - olddata= *data; - olddata.layers= (olddata.layers)? MEM_dupallocN(olddata.layers): NULL; - CustomData_free_layer_active(data, type, 0); - - update_data_blocks(&olddata, data); - if (olddata.layers) MEM_freeN(olddata.layers); -} - -/* ******** EXTRUDE ********* */ - -static void add_normal_aligned(float *nor, float *add) -{ - if( INPR(nor, add) < -0.9999f) - VecSubf(nor, nor, add); - else - VecAddf(nor, nor, add); -} - -static void set_edge_directions_f2(int val) -{ - EditMesh *em= G.editMesh; - EditFace *efa; - int do_all= 1; - - /* edge directions are used for extrude, to detect direction of edges that make new faces */ - /* we have set 'f2' flags in edges that need to get a direction set (e.g. get new face) */ - /* the val argument differs... so we need it as arg */ - - for(efa= em->faces.first; efa; efa= efa->next) { - if(efa->f & SELECT) { - do_all= 0; - if(efa->e1->f2<val) { - if(efa->e1->v1 == efa->v1) efa->e1->dir= 0; - else efa->e1->dir= 1; - } - if(efa->e2->f2<val) { - if(efa->e2->v1 == efa->v2) efa->e2->dir= 0; - else efa->e2->dir= 1; - } - if(efa->e3->f2<val) { - if(efa->e3->v1 == efa->v3) efa->e3->dir= 0; - else efa->e3->dir= 1; - } - if(efa->e4 && efa->e4->f2<val) { - if(efa->e4->v1 == efa->v4) efa->e4->dir= 0; - else efa->e4->dir= 1; - } - } - } - /* ok, no faces done... then we at least set it for exterior edges */ - if(do_all) { - for(efa= em->faces.first; efa; efa= efa->next) { - if(efa->e1->v1 == efa->v1) efa->e1->dir= 0; - else efa->e1->dir= 1; - if(efa->e2->v1 == efa->v2) efa->e2->dir= 0; - else efa->e2->dir= 1; - if(efa->e3->v1 == efa->v3) efa->e3->dir= 0; - else efa->e3->dir= 1; - if(efa->e4) { - if(efa->e4->v1 == efa->v4) efa->e4->dir= 0; - else efa->e4->dir= 1; - } - } - } -} - -/* individual face extrude */ -/* will use vertex normals for extrusion directions, so *nor is unaffected */ -short extrudeflag_face_indiv(short flag, float *nor) -{ - EditMesh *em = G.editMesh; - EditVert *eve, *v1, *v2, *v3, *v4; - EditEdge *eed; - EditFace *efa, *nextfa; - - if(G.obedit==0 || get_mesh(G.obedit)==0) return 0; - - /* selected edges with 1 or more selected face become faces */ - /* selected faces each makes new faces */ - /* always remove old faces, keeps volumes manifold */ - /* select the new extrusion, deselect old */ - - /* step 1; init, count faces in edges */ - recalc_editnormals(); - - for(eve= em->verts.first; eve; eve= eve->next) eve->f1= 0; // new select flag - - for(eed= em->edges.first; eed; eed= eed->next) { - eed->f2= 0; // amount of unselected faces - } - for(efa= em->faces.first; efa; efa= efa->next) { - if(efa->f & SELECT); - else { - efa->e1->f2++; - efa->e2->f2++; - efa->e3->f2++; - if(efa->e4) efa->e4->f2++; - } - } - - /* step 2: make new faces from faces */ - for(efa= em->faces.last; efa; efa= efa->prev) { - if(efa->f & SELECT) { - v1= addvertlist(efa->v1->co, efa->v1); - v2= addvertlist(efa->v2->co, efa->v2); - v3= addvertlist(efa->v3->co, efa->v3); - - v1->f1= v2->f1= v3->f1= 1; - VECCOPY(v1->no, efa->n); - VECCOPY(v2->no, efa->n); - VECCOPY(v3->no, efa->n); - if(efa->v4) { - v4= addvertlist(efa->v4->co, efa->v4); - v4->f1= 1; - VECCOPY(v4->no, efa->n); - } - else v4= NULL; - - /* side faces, clockwise */ - addfacelist(efa->v2, v2, v1, efa->v1, efa, NULL); - addfacelist(efa->v3, v3, v2, efa->v2, efa, NULL); - if(efa->v4) { - addfacelist(efa->v4, v4, v3, efa->v3, efa, NULL); - addfacelist(efa->v1, v1, v4, efa->v4, efa, NULL); - } - else { - addfacelist(efa->v1, v1, v3, efa->v3, efa, NULL); - } - /* top face */ - addfacelist(v1, v2, v3, v4, efa, NULL); - } - } - - /* step 3: remove old faces */ - efa= em->faces.first; - while(efa) { - nextfa= efa->next; - if(efa->f & SELECT) { - BLI_remlink(&em->faces, efa); - free_editface(efa); - } - efa= nextfa; - } - - /* step 4: redo selection */ - EM_clear_flag_all(SELECT); - - for(eve= em->verts.first; eve; eve= eve->next) { - if(eve->f1) eve->f |= SELECT; - } - - EM_select_flush(); - - return 'n'; -} - - -/* extrudes individual edges */ -/* nor is filled with constraint vector */ -short extrudeflag_edges_indiv(short flag, float *nor) -{ - EditMesh *em = G.editMesh; - EditVert *eve; - EditEdge *eed; - EditFace *efa; - - for(eve= em->verts.first; eve; eve= eve->next) eve->tmp.v = NULL; - for(eed= em->edges.first; eed; eed= eed->next) { - eed->tmp.f = NULL; - eed->f2= ((eed->f & flag)!=0); - } - - set_edge_directions_f2(2); - - /* sample for next loop */ - for(efa= em->faces.first; efa; efa= efa->next) { - efa->e1->tmp.f = efa; - efa->e2->tmp.f = efa; - efa->e3->tmp.f = efa; - if(efa->e4) efa->e4->tmp.f = efa; - } - /* make the faces */ - for(eed= em->edges.first; eed; eed= eed->next) { - if(eed->f & flag) { - if(eed->v1->tmp.v == NULL) - eed->v1->tmp.v = addvertlist(eed->v1->co, eed->v1); - if(eed->v2->tmp.v == NULL) - eed->v2->tmp.v = addvertlist(eed->v2->co, eed->v2); - - if(eed->dir==1) - addfacelist(eed->v1, eed->v2, - eed->v2->tmp.v, eed->v1->tmp.v, - eed->tmp.f, NULL); - else - addfacelist(eed->v2, eed->v1, - eed->v1->tmp.v, eed->v2->tmp.v, - eed->tmp.f, NULL); - - /* for transform */ - if(eed->tmp.f) { - efa = eed->tmp.f; - if (efa->f & SELECT) add_normal_aligned(nor, efa->n); - } - } - } - Normalize(nor); - - /* set correct selection */ - EM_clear_flag_all(SELECT); - for(eve= em->verts.last; eve; eve= eve->prev) { - if(eve->tmp.v) { - eve->tmp.v->f |= flag; - } - } - - for(eed= em->edges.first; eed; eed= eed->next) { - if(eed->v1->f & eed->v2->f & flag) eed->f |= flag; - } - - if(nor[0]==0.0 && nor[1]==0.0 && nor[2]==0.0) return 'g'; // g is grab - return 'n'; // n is for normal constraint -} - -/* extrudes individual vertices */ -short extrudeflag_verts_indiv(short flag, float *nor) -{ - EditMesh *em = G.editMesh; - EditVert *eve; - - /* make the edges */ - for(eve= em->verts.first; eve; eve= eve->next) { - if(eve->f & flag) { - eve->tmp.v = addvertlist(eve->co, eve); - addedgelist(eve, eve->tmp.v, NULL); - } - else eve->tmp.v = NULL; - } - - /* set correct selection */ - EM_clear_flag_all(SELECT); - - for(eve= em->verts.last; eve; eve= eve->prev) - if (eve->tmp.v) - eve->tmp.v->f |= flag; - - return 'g'; // g is grab -} - - -/* this is actually a recode of extrudeflag(), using proper edge/face select */ -/* hurms, doesnt use 'flag' yet, but its not called by primitive making stuff anyway */ -static short extrudeflag_edge(short flag, float *nor) -{ - /* all select edges/faces: extrude */ - /* old select is cleared, in new ones it is set */ - EditMesh *em = G.editMesh; - EditVert *eve, *nextve; - EditEdge *eed, *nexted; - EditFace *efa, *nextfa, *efan; - short del_old= 0; - ModifierData *md; - - if(G.obedit==0 || get_mesh(G.obedit)==0) return 0; - - md = G.obedit->modifiers.first; - - /* selected edges with 0 or 1 selected face become faces */ - /* selected faces generate new faces */ - - /* if *one* selected face has edge with unselected face; remove old selected faces */ - - /* if selected edge is not used anymore; remove */ - /* if selected vertex is not used anymore: remove */ - - /* select the new extrusion, deselect old */ - - - /* step 1; init, count faces in edges */ - recalc_editnormals(); - - for(eve= em->verts.first; eve; eve= eve->next) { - eve->tmp.v = NULL; - eve->f1= 0; - } - - for(eed= em->edges.first; eed; eed= eed->next) { - eed->f1= 0; // amount of unselected faces - eed->f2= 0; // amount of selected faces - if(eed->f & SELECT) { - eed->v1->f1= 1; // we call this 'selected vertex' now - eed->v2->f1= 1; - } - eed->tmp.f = NULL; // here we tuck face pointer, as sample - } - for(efa= em->faces.first; efa; efa= efa->next) { - if(efa->f & SELECT) { - efa->e1->f2++; - efa->e2->f2++; - efa->e3->f2++; - if(efa->e4) efa->e4->f2++; - - // sample for next loop - efa->e1->tmp.f = efa; - efa->e2->tmp.f = efa; - efa->e3->tmp.f = efa; - if(efa->e4) efa->e4->tmp.f = efa; - } - else { - efa->e1->f1++; - efa->e2->f1++; - efa->e3->f1++; - if(efa->e4) efa->e4->f1++; - } - } - - /* If a mirror modifier with clipping is on, we need to adjust some - * of the cases above to handle edges on the line of symmetry. - */ - for (; md; md=md->next) { - if (md->type==eModifierType_Mirror) { - MirrorModifierData *mmd = (MirrorModifierData*) md; - - if(mmd->flag & MOD_MIR_CLIPPING) { - float mtx[4][4]; - if (mmd->mirror_ob) { - float imtx[4][4]; - Mat4Invert(imtx, mmd->mirror_ob->obmat); - Mat4MulMat4(mtx, G.obedit->obmat, imtx); - } - - for (eed= em->edges.first; eed; eed= eed->next) { - if(eed->f2 == 1) { - float co1[3], co2[3]; - - VecCopyf(co1, eed->v1->co); - VecCopyf(co2, eed->v2->co); - - if (mmd->mirror_ob) { - VecMat4MulVecfl(co1, mtx, co1); - VecMat4MulVecfl(co2, mtx, co2); - } - - if (mmd->flag & MOD_MIR_AXIS_X) - if ( (fabs(co1[0]) < mmd->tolerance) && - (fabs(co2[0]) < mmd->tolerance) ) - ++eed->f2; - - if (mmd->flag & MOD_MIR_AXIS_Y) - if ( (fabs(co1[1]) < mmd->tolerance) && - (fabs(co2[1]) < mmd->tolerance) ) - ++eed->f2; - - if (mmd->flag & MOD_MIR_AXIS_Z) - if ( (fabs(co1[2]) < mmd->tolerance) && - (fabs(co2[2]) < mmd->tolerance) ) - ++eed->f2; - } - } - } - } - } - - set_edge_directions_f2(2); - - /* step 1.5: if *one* selected face has edge with unselected face; remove old selected faces */ - for(efa= em->faces.last; efa; efa= efa->prev) { - if(efa->f & SELECT) { - if(efa->e1->f1 || efa->e2->f1 || efa->e3->f1 || (efa->e4 && efa->e4->f1)) { - del_old= 1; - break; - } - } - } - - /* step 2: make new faces from edges */ - for(eed= em->edges.last; eed; eed= eed->prev) { - if(eed->f & SELECT) { - if(eed->f2<2) { - if(eed->v1->tmp.v == NULL) - eed->v1->tmp.v = addvertlist(eed->v1->co, eed->v1); - if(eed->v2->tmp.v == NULL) - eed->v2->tmp.v = addvertlist(eed->v2->co, eed->v2); - - /* if del_old, the preferred normal direction is exact - * opposite as for keep old faces - */ - if(eed->dir!=del_old) - addfacelist(eed->v1, eed->v2, - eed->v2->tmp.v, eed->v1->tmp.v, - eed->tmp.f, NULL); - else - addfacelist(eed->v2, eed->v1, - eed->v1->tmp.v, eed->v2->tmp.v, - eed->tmp.f, NULL); - } - } - } - - /* step 3: make new faces from faces */ - for(efa= em->faces.last; efa; efa= efa->prev) { - if(efa->f & SELECT) { - if (efa->v1->tmp.v == NULL) - efa->v1->tmp.v = addvertlist(efa->v1->co, efa->v1); - if (efa->v2->tmp.v ==NULL) - efa->v2->tmp.v = addvertlist(efa->v2->co, efa->v2); - if (efa->v3->tmp.v ==NULL) - efa->v3->tmp.v = addvertlist(efa->v3->co, efa->v3); - if (efa->v4 && (efa->v4->tmp.v == NULL)) - efa->v4->tmp.v = addvertlist(efa->v4->co, efa->v4); - - if(del_old==0) { // keep old faces means flipping normal - if(efa->v4) - efan = addfacelist(efa->v4->tmp.v, efa->v3->tmp.v, - efa->v2->tmp.v, efa->v1->tmp.v, efa, efa); - else - efan = addfacelist(efa->v3->tmp.v, efa->v2->tmp.v, - efa->v1->tmp.v, NULL, efa, efa); - } - else { - if(efa->v4) - efan = addfacelist(efa->v1->tmp.v, efa->v2->tmp.v, - efa->v3->tmp.v, efa->v4->tmp.v, efa, efa); - else - efan = addfacelist(efa->v1->tmp.v, efa->v2->tmp.v, - efa->v3->tmp.v, NULL, efa, efa); - } - - if (G.editMesh->act_face == efa) { - G.editMesh->act_face = efan; - } - - /* for transform */ - add_normal_aligned(nor, efa->n); - } - } - - if(del_old) { - - /* step 4: remove old faces, if del_old */ - efa= em->faces.first; - while(efa) { - nextfa= efa->next; - if(efa->f & SELECT) { - BLI_remlink(&em->faces, efa); - free_editface(efa); - } - efa= nextfa; - } - - - /* step 5: remove selected unused edges */ - /* start tagging again */ - for(eed= em->edges.first; eed; eed= eed->next) eed->f1=0; - for(efa= em->faces.first; efa; efa= efa->next) { - efa->e1->f1= 1; - efa->e2->f1= 1; - efa->e3->f1= 1; - if(efa->e4) efa->e4->f1= 1; - } - /* remove */ - eed= em->edges.first; - while(eed) { - nexted= eed->next; - if(eed->f & SELECT) { - if(eed->f1==0) { - remedge(eed); - free_editedge(eed); - } - } - eed= nexted; - } - - /* step 6: remove selected unused vertices */ - for(eed= em->edges.first; eed; eed= eed->next) - eed->v1->f1= eed->v2->f1= 0; - - eve= em->verts.first; - while(eve) { - nextve= eve->next; - if(eve->f1) { - // hack... but we need it for step 7, redoing selection - if(eve->tmp.v) eve->tmp.v->tmp.v= eve->tmp.v; - - BLI_remlink(&em->verts, eve); - free_editvert(eve); - } - eve= nextve; - } - } - - Normalize(nor); // translation normal grab - - /* step 7: redo selection */ - EM_clear_flag_all(SELECT); - - for(eve= em->verts.first; eve; eve= eve->next) { - if(eve->tmp.v) { - eve->tmp.v->f |= SELECT; - } - } - - EM_select_flush(); - - if(nor[0]==0.0 && nor[1]==0.0 && nor[2]==0.0) return 'g'; // grab - return 'n'; // normal constraint -} - -short extrudeflag_vert(short flag, float *nor) -{ - /* all verts/edges/faces with (f & 'flag'): extrude */ - /* from old verts, 'flag' is cleared, in new ones it is set */ - EditMesh *em = G.editMesh; - EditVert *eve, *v1, *v2, *v3, *v4, *nextve; - EditEdge *eed, *e1, *e2, *e3, *e4, *nexted; - EditFace *efa, *efa2, *nextvl; - short sel=0, del_old= 0, is_face_sel=0; - ModifierData *md; - - if(G.obedit==0 || get_mesh(G.obedit)==0) return 0; - - md = G.obedit->modifiers.first; - - /* clear vert flag f1, we use this to detect a loose selected vertice */ - eve= em->verts.first; - while(eve) { - if(eve->f & flag) eve->f1= 1; - else eve->f1= 0; - eve= eve->next; - } - /* clear edges counter flag, if selected we set it at 1 */ - eed= em->edges.first; - while(eed) { - if( (eed->v1->f & flag) && (eed->v2->f & flag) ) { - eed->f2= 1; - eed->v1->f1= 0; - eed->v2->f1= 0; - } - else eed->f2= 0; - - eed->f1= 1; /* this indicates it is an 'old' edge (in this routine we make new ones) */ - eed->tmp.f = NULL; /* used as sample */ - - eed= eed->next; - } - - /* we set a flag in all selected faces, and increase the associated edge counters */ - - efa= em->faces.first; - while(efa) { - efa->f1= 0; - - if(faceselectedAND(efa, flag)) { - e1= efa->e1; - e2= efa->e2; - e3= efa->e3; - e4= efa->e4; - - if(e1->f2 < 3) e1->f2++; - if(e2->f2 < 3) e2->f2++; - if(e3->f2 < 3) e3->f2++; - if(e4 && e4->f2 < 3) e4->f2++; - - efa->f1= 1; - is_face_sel= 1; // for del_old - } - else if(faceselectedOR(efa, flag)) { - e1= efa->e1; - e2= efa->e2; - e3= efa->e3; - e4= efa->e4; - - if( (e1->v1->f & flag) && (e1->v2->f & flag) ) e1->f1= 2; - if( (e2->v1->f & flag) && (e2->v2->f & flag) ) e2->f1= 2; - if( (e3->v1->f & flag) && (e3->v2->f & flag) ) e3->f1= 2; - if( e4 && (e4->v1->f & flag) && (e4->v2->f & flag) ) e4->f1= 2; - } - - // sample for next loop - efa->e1->tmp.f = efa; - efa->e2->tmp.f = efa; - efa->e3->tmp.f = efa; - if(efa->e4) efa->e4->tmp.f = efa; - - efa= efa->next; - } - - set_edge_directions_f2(3); - - /* the current state now is: - eve->f1==1: loose selected vertex - - eed->f2==0 : edge is not selected, no extrude - eed->f2==1 : edge selected, is not part of a face, extrude - eed->f2==2 : edge selected, is part of 1 face, extrude - eed->f2==3 : edge selected, is part of more faces, no extrude - - eed->f1==0: new edge - eed->f1==1: edge selected, is part of selected face, when eed->f==3: remove - eed->f1==2: edge selected, part of a partially selected face - - efa->f1==1 : duplicate this face - */ - - /* If a mirror modifier with clipping is on, we need to adjust some - * of the cases above to handle edges on the line of symmetry. - */ - for (; md; md=md->next) { - if (md->type==eModifierType_Mirror) { - MirrorModifierData *mmd = (MirrorModifierData*) md; - - if(mmd->flag & MOD_MIR_CLIPPING) { - float mtx[4][4]; - if (mmd->mirror_ob) { - float imtx[4][4]; - Mat4Invert(imtx, mmd->mirror_ob->obmat); - Mat4MulMat4(mtx, G.obedit->obmat, imtx); - } - - for (eed= em->edges.first; eed; eed= eed->next) { - if(eed->f2 == 2) { - float co1[3], co2[3]; - - VecCopyf(co1, eed->v1->co); - VecCopyf(co2, eed->v2->co); - - if (mmd->mirror_ob) { - VecMat4MulVecfl(co1, mtx, co1); - VecMat4MulVecfl(co2, mtx, co2); - } - - if (mmd->flag & MOD_MIR_AXIS_X) - if ( (fabs(co1[0]) < mmd->tolerance) && - (fabs(co2[0]) < mmd->tolerance) ) - ++eed->f2; - - if (mmd->flag & MOD_MIR_AXIS_Y) - if ( (fabs(co1[1]) < mmd->tolerance) && - (fabs(co2[1]) < mmd->tolerance) ) - ++eed->f2; - if (mmd->flag & MOD_MIR_AXIS_Z) - if ( (fabs(co1[2]) < mmd->tolerance) && - (fabs(co2[2]) < mmd->tolerance) ) - ++eed->f2; - } - } - } - } - } - - /* copy all selected vertices, */ - /* write pointer to new vert in old struct at eve->tmp.v */ - eve= em->verts.last; - while(eve) { - eve->f &= ~128; /* clear, for later test for loose verts */ - if(eve->f & flag) { - sel= 1; - v1= addvertlist(0, NULL); - - VECCOPY(v1->co, eve->co); - v1->f= eve->f; - eve->f-= flag; - eve->tmp.v = v1; - } - else eve->tmp.v = 0; - eve= eve->prev; - } - - if(sel==0) return 0; - - /* all edges with eed->f2==1 or eed->f2==2 become faces */ - - /* if del_old==1 then extrude is in partial geometry, to keep it manifold. - verts with f1==0 and (eve->f & 128)==0) are removed - edges with eed->f2>2 are removed - faces with efa->f1 are removed - if del_old==0 the extrude creates a volume. - */ - - /* find if we delete old faces */ - if(is_face_sel) { - for(eed= em->edges.first; eed; eed= eed->next) { - if( (eed->f2==1 || eed->f2==2) ) { - if(eed->f1==2) { - del_old= 1; - break; - } - } - } - } - - eed= em->edges.last; - while(eed) { - nexted= eed->prev; - if( eed->f2<3) { - eed->v1->f |= 128; /* = no loose vert! */ - eed->v2->f |= 128; - } - if( (eed->f2==1 || eed->f2==2) ) { - - /* if del_old, the preferred normal direction is exact opposite as for keep old faces */ - if(eed->dir != del_old) - efa2 = addfacelist(eed->v1, eed->v2, - eed->v2->tmp.v, eed->v1->tmp.v, - eed->tmp.f, NULL); - else - efa2 = addfacelist(eed->v2, eed->v1, - eed->v1->tmp.v, eed->v2->tmp.v, - eed->tmp.f, NULL); - - /* Needs smarter adaption of existing creases. - * If addedgelist is used, make sure seams are set to 0 on these - * new edges, since we do not want to add any seams on extrusion. - */ - efa2->e1->crease= eed->crease; - efa2->e2->crease= eed->crease; - efa2->e3->crease= eed->crease; - if(efa2->e4) efa2->e4->crease= eed->crease; - } - - eed= nexted; - } - if(del_old) { - eed= em->edges.first; - while(eed) { - nexted= eed->next; - if(eed->f2==3 && eed->f1==1) { - remedge(eed); - free_editedge(eed); - } - eed= nexted; - } - } - /* duplicate faces, if necessary remove old ones */ - efa= em->faces.first; - while(efa) { - nextvl= efa->next; - if(efa->f1 & 1) { - - v1 = efa->v1->tmp.v; - v2 = efa->v2->tmp.v; - v3 = efa->v3->tmp.v; - if(efa->v4) - v4 = efa->v4->tmp.v; - else - v4= 0; - - /* hmm .. not sure about edges here */ - if(del_old==0) // if we keep old, we flip normal - efa2= addfacelist(v3, v2, v1, v4, efa, efa); - else - efa2= addfacelist(v1, v2, v3, v4, efa, efa); - - /* for transform */ - add_normal_aligned(nor, efa->n); - - if(del_old) { - BLI_remlink(&em->faces, efa); - free_editface(efa); - } - } - efa= nextvl; - } - - Normalize(nor); // for grab - - /* for all vertices with eve->tmp.v!=0 - if eve->f1==1: make edge - if flag!=128 : if del_old==1: remove - */ - eve= em->verts.last; - while(eve) { - nextve= eve->prev; - if(eve->tmp.v) { - if(eve->f1==1) addedgelist(eve, eve->tmp.v, NULL); - else if( (eve->f & 128)==0) { - if(del_old) { - BLI_remlink(&em->verts,eve); - free_editvert(eve); - eve= NULL; - } - } - } - if(eve) { - eve->f &= ~128; - } - eve= nextve; - } - // since its vertex select mode now, it also deselects higher order - EM_selectmode_flush(); - - if(nor[0]==0.0 && nor[1]==0.0 && nor[2]==0.0) return 'g'; // g is grab, for correct undo print - return 'n'; -} - -/* generic extrude */ -short extrudeflag(short flag, float *nor) -{ - if(G.scene->selectmode & SCE_SELECT_VERTEX) - return extrudeflag_vert(flag, nor); - else - return extrudeflag_edge(flag, nor); - -} - -void rotateflag(short flag, float *cent, float rotmat[][3]) -{ - /* all verts with (flag & 'flag') rotate */ - EditMesh *em = G.editMesh; - EditVert *eve; - - eve= em->verts.first; - while(eve) { - if(eve->f & flag) { - eve->co[0]-=cent[0]; - eve->co[1]-=cent[1]; - eve->co[2]-=cent[2]; - Mat3MulVecfl(rotmat,eve->co); - eve->co[0]+=cent[0]; - eve->co[1]+=cent[1]; - eve->co[2]+=cent[2]; - } - eve= eve->next; - } -} - -void translateflag(short flag, float *vec) -{ - /* all verts with (flag & 'flag') translate */ - EditMesh *em = G.editMesh; - EditVert *eve; - - eve= em->verts.first; - while(eve) { - if(eve->f & flag) { - eve->co[0]+=vec[0]; - eve->co[1]+=vec[1]; - eve->co[2]+=vec[2]; - } - eve= eve->next; - } -} - -/* helper call for below */ -static EditVert *adduplicate_vertex(EditVert *eve, int flag) -{ - /* FIXME: copy deformation weight from eve ok here? */ - EditVert *v1= addvertlist(eve->co, eve); - - v1->f= eve->f; - eve->f-= flag; - eve->f|= 128; - - eve->tmp.v = v1; - - return v1; -} - -/* old selection has flag 128 set, and flag 'flag' cleared -new selection has flag 'flag' set */ -void adduplicateflag(int flag) -{ - EditMesh *em = G.editMesh; - EditVert *eve, *v1, *v2, *v3, *v4; - EditEdge *eed, *newed; - EditFace *efa, *newfa, *act_efa = EM_get_actFace(0); - - EM_clear_flag_all(128); - EM_selectmode_set(); // paranoia check, selection now is consistant - - /* vertices first */ - for(eve= em->verts.last; eve; eve= eve->prev) { - - if(eve->f & flag) - adduplicate_vertex(eve, flag); - else - eve->tmp.v = NULL; - } - - /* copy edges, note that vertex selection can be independent of edge */ - for(eed= em->edges.last; eed; eed= eed->prev) { - if( eed->f & flag ) { - v1 = eed->v1->tmp.v; - if(v1==NULL) v1= adduplicate_vertex(eed->v1, flag); - v2 = eed->v2->tmp.v; - if(v2==NULL) v2= adduplicate_vertex(eed->v2, flag); - - newed= addedgelist(v1, v2, eed); - - newed->f= eed->f; - eed->f -= flag; - eed->f |= 128; - } - } - - /* then duplicate faces, again create new vertices if needed */ - for(efa= em->faces.last; efa; efa= efa->prev) { - if(efa->f & flag) { - v1 = efa->v1->tmp.v; - if(v1==NULL) v1= adduplicate_vertex(efa->v1, flag); - v2 = efa->v2->tmp.v; - if(v2==NULL) v2= adduplicate_vertex(efa->v2, flag); - v3 = efa->v3->tmp.v; - if(v3==NULL) v3= adduplicate_vertex(efa->v3, flag); - if(efa->v4) { - v4 = efa->v4->tmp.v; - if(v4==NULL) v4= adduplicate_vertex(efa->v4, flag); - } - else v4= NULL; - - newfa= addfacelist(v1, v2, v3, v4, efa, efa); - - if (efa==act_efa) { - EM_set_actFace(newfa); - } - - newfa->f= efa->f; - efa->f -= flag; - efa->f |= 128; - } - } - - EM_fgon_flags(); // redo flags and indices for fgons -} - -void delfaceflag(int flag) -{ - EditMesh *em = G.editMesh; - /* delete all faces with 'flag', including loose edges and loose vertices */ - /* this is maybe a bit weird, but this function is used for 'split' and 'separate' */ - /* in remaining vertices/edges 'flag' is cleared */ - EditVert *eve,*nextve; - EditEdge *eed, *nexted; - EditFace *efa,*nextvl; - - /* to detect loose edges, we put f2 flag on 1 */ - for(eed= em->edges.first; eed; eed= eed->next) { - if(eed->f & flag) eed->f2= 1; - else eed->f2= 0; - } - - /* delete faces */ - efa= em->faces.first; - while(efa) { - nextvl= efa->next; - if(efa->f & flag) { - - efa->e1->f2= 1; - efa->e2->f2= 1; - efa->e3->f2= 1; - if(efa->e4) { - efa->e4->f2= 1; - } - - BLI_remlink(&em->faces, efa); - free_editface(efa); - } - efa= nextvl; - } - - /* all remaining faces: make sure we keep the edges */ - for(efa= em->faces.first; efa; efa= efa->next) { - efa->e1->f2= 0; - efa->e2->f2= 0; - efa->e3->f2= 0; - if(efa->e4) { - efa->e4->f2= 0; - } - } - - /* remove tagged edges, and clear remaining ones */ - eed= em->edges.first; - while(eed) { - nexted= eed->next; - - if(eed->f2==1) { - remedge(eed); - free_editedge(eed); - } - else { - eed->f &= ~flag; - eed->v1->f &= ~flag; - eed->v2->f &= ~flag; - } - eed= nexted; - } - - /* vertices with 'flag' now are the loose ones, and will be removed */ - eve= em->verts.first; - while(eve) { - nextve= eve->next; - if(eve->f & flag) { - BLI_remlink(&em->verts, eve); - free_editvert(eve); - } - eve= nextve; - } - -} - -/* ********************* */ -#if 0 -static int check_vnormal_flip(float *n, float *vnorm) -{ - float inp; - - inp= n[0]*vnorm[0]+n[1]*vnorm[1]+n[2]*vnorm[2]; - - /* angles 90 degrees: dont flip */ - if(inp> -0.000001) return 0; - - return 1; -} -#endif - -void flipface(EditFace *efa) -{ - if(efa->v4) { - SWAP(EditVert *, efa->v2, efa->v4); - SWAP(EditEdge *, efa->e1, efa->e4); - SWAP(EditEdge *, efa->e2, efa->e3); - EM_data_interp_from_faces(efa, NULL, efa, 0, 3, 2, 1); - } - else { - SWAP(EditVert *, efa->v2, efa->v3); - SWAP(EditEdge *, efa->e1, efa->e3); - efa->e2->dir= 1-efa->e2->dir; - EM_data_interp_from_faces(efa, NULL, efa, 0, 2, 1, 3); - } - - if(efa->v4) CalcNormFloat4(efa->v1->co, efa->v2->co, efa->v3->co, efa->v4->co, efa->n); - else CalcNormFloat(efa->v1->co, efa->v2->co, efa->v3->co, efa->n); -} - - -void flip_editnormals(void) -{ - EditMesh *em = G.editMesh; - EditFace *efa; - - efa= em->faces.first; - while(efa) { - if( efa->f & SELECT ){ - flipface(efa); - } - efa= efa->next; - } - - /* update vertex normals too */ - recalc_editnormals(); - -#ifdef WITH_VERSE - if(G.editMesh->vnode) - sync_all_versefaces_with_editfaces((VNode*)G.editMesh->vnode); -#endif -} - -/* does face centers too */ -void recalc_editnormals(void) -{ - EditMesh *em = G.editMesh; - EditFace *efa; - EditVert *eve; - - for(eve= em->verts.first; eve; eve=eve->next) { - eve->no[0] = eve->no[1] = eve->no[2] = 0.0; - } - - for(efa= em->faces.first; efa; efa=efa->next) { - if(efa->v4) { - CalcNormFloat4(efa->v1->co, efa->v2->co, efa->v3->co, efa->v4->co, efa->n); - CalcCent4f(efa->cent, efa->v1->co, efa->v2->co, efa->v3->co, efa->v4->co); - VecAddf(efa->v4->no, efa->v4->no, efa->n); - } - else { - CalcNormFloat(efa->v1->co, efa->v2->co, efa->v3->co, efa->n); - CalcCent3f(efa->cent, efa->v1->co, efa->v2->co, efa->v3->co); - } - VecAddf(efa->v1->no, efa->v1->no, efa->n); - VecAddf(efa->v2->no, efa->v2->no, efa->n); - VecAddf(efa->v3->no, efa->v3->no, efa->n); - } - - /* following Mesh convention; we use vertex coordinate itself for normal in this case */ - for(eve= em->verts.first; eve; eve=eve->next) { - if (Normalize(eve->no)==0.0) { - VECCOPY(eve->no, eve->co); - Normalize(eve->no); - } - } -} - -int compareface(EditFace *vl1, EditFace *vl2) -{ - EditVert *v1, *v2, *v3, *v4; - - if(vl1->v4 && vl2->v4) { - v1= vl2->v1; - v2= vl2->v2; - v3= vl2->v3; - v4= vl2->v4; - - if(vl1->v1==v1 || vl1->v2==v1 || vl1->v3==v1 || vl1->v4==v1) { - if(vl1->v1==v2 || vl1->v2==v2 || vl1->v3==v2 || vl1->v4==v2) { - if(vl1->v1==v3 || vl1->v2==v3 || vl1->v3==v3 || vl1->v4==v3) { - if(vl1->v1==v4 || vl1->v2==v4 || vl1->v3==v4 || vl1->v4==v4) { - return 1; - } - } - } - } - } - else if(vl1->v4==0 && vl2->v4==0) { - v1= vl2->v1; - v2= vl2->v2; - v3= vl2->v3; - - if(vl1->v1==v1 || vl1->v2==v1 || vl1->v3==v1) { - if(vl1->v1==v2 || vl1->v2==v2 || vl1->v3==v2) { - if(vl1->v1==v3 || vl1->v2==v3 || vl1->v3==v3) { - return 1; - } - } - } - } - - return 0; -} - -/* checks for existance, not tria overlapping inside quad */ -EditFace *exist_face(EditVert *v1, EditVert *v2, EditVert *v3, EditVert *v4) -{ - EditMesh *em = G.editMesh; - EditFace *efa, efatest; - - efatest.v1= v1; - efatest.v2= v2; - efatest.v3= v3; - efatest.v4= v4; - - efa= em->faces.first; - while(efa) { - if(compareface(&efatest, efa)) return efa; - efa= efa->next; - } - return NULL; -} - -/* evaluate if entire quad is a proper convex quad */ -int convex(float *v1, float *v2, float *v3, float *v4) -{ - float nor[3], nor1[3], nor2[3], vec[4][2]; - - /* define projection, do both trias apart, quad is undefined! */ - CalcNormFloat(v1, v2, v3, nor1); - CalcNormFloat(v1, v3, v4, nor2); - nor[0]= ABS(nor1[0]) + ABS(nor2[0]); - nor[1]= ABS(nor1[1]) + ABS(nor2[1]); - nor[2]= ABS(nor1[2]) + ABS(nor2[2]); - - if(nor[2] >= nor[0] && nor[2] >= nor[1]) { - vec[0][0]= v1[0]; vec[0][1]= v1[1]; - vec[1][0]= v2[0]; vec[1][1]= v2[1]; - vec[2][0]= v3[0]; vec[2][1]= v3[1]; - vec[3][0]= v4[0]; vec[3][1]= v4[1]; - } - else if(nor[1] >= nor[0] && nor[1]>= nor[2]) { - vec[0][0]= v1[0]; vec[0][1]= v1[2]; - vec[1][0]= v2[0]; vec[1][1]= v2[2]; - vec[2][0]= v3[0]; vec[2][1]= v3[2]; - vec[3][0]= v4[0]; vec[3][1]= v4[2]; - } - else { - vec[0][0]= v1[1]; vec[0][1]= v1[2]; - vec[1][0]= v2[1]; vec[1][1]= v2[2]; - vec[2][0]= v3[1]; vec[2][1]= v3[2]; - vec[3][0]= v4[1]; vec[3][1]= v4[2]; - } - - /* linetests, the 2 diagonals have to instersect to be convex */ - if( IsectLL2Df(vec[0], vec[2], vec[1], vec[3]) > 0 ) return 1; - return 0; -} - - -/* ********************* Fake Polgon support (FGon) ***************** */ - - -/* results in: - - faces having ->fgonf flag set (also for draw) - - edges having ->fgoni index set (for select) -*/ - -float EM_face_area(EditFace *efa) -{ - if(efa->v4) return AreaQ3Dfl(efa->v1->co, efa->v2->co, efa->v3->co, efa->v4->co); - else return AreaT3Dfl(efa->v1->co, efa->v2->co, efa->v3->co); -} - -float EM_face_perimeter(EditFace *efa) -{ - if(efa->v4) return - VecLenf(efa->v1->co, efa->v2->co)+ - VecLenf(efa->v2->co, efa->v3->co)+ - VecLenf(efa->v3->co, efa->v4->co)+ - VecLenf(efa->v4->co, efa->v1->co); - - else return - VecLenf(efa->v1->co, efa->v2->co)+ - VecLenf(efa->v2->co, efa->v3->co)+ - VecLenf(efa->v3->co, efa->v1->co); -} - -void EM_fgon_flags(void) -{ - EditMesh *em = G.editMesh; - EditFace *efa, *efan, *efamax; - EditEdge *eed; - ListBase listb={NULL, NULL}; - float size, maxsize; - short done, curindex= 1; - - // for each face with fgon edge AND not fgon flag set - for(eed= em->edges.first; eed; eed= eed->next) eed->fgoni= 0; // index - for(efa= em->faces.first; efa; efa= efa->next) efa->fgonf= 0; // flag - - // for speed & simplicity, put fgon face candidates in new listbase - efa= em->faces.first; - while(efa) { - efan= efa->next; - if( (efa->e1->h & EM_FGON) || (efa->e2->h & EM_FGON) || - (efa->e3->h & EM_FGON) || (efa->e4 && (efa->e4->h & EM_FGON)) ) { - BLI_remlink(&em->faces, efa); - BLI_addtail(&listb, efa); - } - efa= efan; - } - - // find an undone face with fgon edge - for(efa= listb.first; efa; efa= efa->next) { - if(efa->fgonf==0) { - - // init this face - efa->fgonf= EM_FGON; - if(efa->e1->h & EM_FGON) efa->e1->fgoni= curindex; - if(efa->e2->h & EM_FGON) efa->e2->fgoni= curindex; - if(efa->e3->h & EM_FGON) efa->e3->fgoni= curindex; - if(efa->e4 && (efa->e4->h & EM_FGON)) efa->e4->fgoni= curindex; - - // we search for largest face, to give facedot drawing rights - maxsize= EM_face_area(efa); - efamax= efa; - - // now flush curendex over edges and set faceflags - done= 1; - while(done==1) { - done= 0; - - for(efan= listb.first; efan; efan= efan->next) { - if(efan->fgonf==0) { - // if one if its edges has index set, do other too - if( (efan->e1->fgoni==curindex) || (efan->e2->fgoni==curindex) || - (efan->e3->fgoni==curindex) || (efan->e4 && (efan->e4->fgoni==curindex)) ) { - - efan->fgonf= EM_FGON; - if(efan->e1->h & EM_FGON) efan->e1->fgoni= curindex; - if(efan->e2->h & EM_FGON) efan->e2->fgoni= curindex; - if(efan->e3->h & EM_FGON) efan->e3->fgoni= curindex; - if(efan->e4 && (efan->e4->h & EM_FGON)) efan->e4->fgoni= curindex; - - size= EM_face_area(efan); - if(size>maxsize) { - efamax= efan; - maxsize= size; - } - done= 1; - } - } - } - } - - efamax->fgonf |= EM_FGON_DRAW; - curindex++; - - } - } - - // put fgon face candidates back in listbase - efa= listb.first; - while(efa) { - efan= efa->next; - BLI_remlink(&listb, efa); - BLI_addtail(&em->faces, efa); - efa= efan; - } - - // remove fgon flags when edge not in fgon (anymore) - for(eed= em->edges.first; eed; eed= eed->next) { - if(eed->fgoni==0) eed->h &= ~EM_FGON; - } - -} - -/* editmesh vertmap, copied from intern.mesh.c - * if do_face_idx_array is 0 it means we need to run it as well as freeing - * */ - -UvVertMap *make_uv_vert_map_EM(int selected, int do_face_idx_array, float *limit) -{ - EditMesh *em = G.editMesh; - EditVert *ev; - EditFace *efa; - int totverts; - - /* vars from original func */ - UvVertMap *vmap; - UvMapVert *buf; - MTFace *tf; - unsigned int a; - int i, totuv, nverts; - - if (do_face_idx_array) - EM_init_index_arrays(0, 0, 1); - - /* we need the vert */ - for (ev= em->verts.first, totverts=0; ev; ev= ev->next, totverts++) { - ev->tmp.l = totverts; - } - - totuv = 0; - - /* generate UvMapVert array */ - for (efa= em->faces.first; efa; efa= efa->next) - if(!selected || ((!efa->h) && (efa->f & SELECT))) - totuv += (efa->v4)? 4: 3; - - if(totuv==0) { - if (do_face_idx_array) - EM_free_index_arrays(); - return NULL; - } - vmap= (UvVertMap*)MEM_callocN(sizeof(*vmap), "UvVertMap"); - if (!vmap) { - if (do_face_idx_array) - EM_free_index_arrays(); - return NULL; - } - - vmap->vert= (UvMapVert**)MEM_callocN(sizeof(*vmap->vert)*totverts, "UvMapVert*"); - buf= vmap->buf= (UvMapVert*)MEM_callocN(sizeof(*vmap->buf)*totuv, "UvMapVert"); - - if (!vmap->vert || !vmap->buf) { - free_uv_vert_map(vmap); - if (do_face_idx_array) - EM_free_index_arrays(); - return NULL; - } - - for (a=0, efa= em->faces.first; efa; a++, efa= efa->next) { - if(!selected || ((!efa->h) && (efa->f & SELECT))) { - nverts= (efa->v4)? 4: 3; - - for(i=0; i<nverts; i++) { - buf->tfindex= i; - buf->f= a; - buf->separate = 0; - - buf->next= vmap->vert[(*(&efa->v1 + i))->tmp.l]; - vmap->vert[(*(&efa->v1 + i))->tmp.l]= buf; - - buf++; - } - } - } - - /* sort individual uvs for each vert */ - for(a=0, ev=em->verts.first; ev; a++, ev= ev->next) { - UvMapVert *newvlist= NULL, *vlist=vmap->vert[a]; - UvMapVert *iterv, *v, *lastv, *next; - float *uv, *uv2, uvdiff[2]; - - while(vlist) { - v= vlist; - vlist= vlist->next; - v->next= newvlist; - newvlist= v; - - efa = EM_get_face_for_index(v->f); - tf = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE); - uv = tf->uv[v->tfindex]; - - lastv= NULL; - iterv= vlist; - - while(iterv) { - next= iterv->next; - efa = EM_get_face_for_index(iterv->f); - tf = CustomData_em_get(&em->fdata, efa->data, CD_MTFACE); - uv2 = tf->uv[iterv->tfindex]; - - Vec2Subf(uvdiff, uv2, uv); - - if(fabs(uv[0]-uv2[0]) < limit[0] && fabs(uv[1]-uv2[1]) < limit[1]) { - if(lastv) lastv->next= next; - else vlist= next; - iterv->next= newvlist; - newvlist= iterv; - } - else - lastv=iterv; - - iterv= next; - } - - newvlist->separate = 1; - } - - vmap->vert[a]= newvlist; - } - - if (do_face_idx_array) - EM_free_index_arrays(); - - return vmap; -} - -UvMapVert *get_uv_map_vert_EM(UvVertMap *vmap, unsigned int v) -{ - return vmap->vert[v]; -} - -void free_uv_vert_map_EM(UvVertMap *vmap) -{ - if (vmap) { - if (vmap->vert) MEM_freeN(vmap->vert); - if (vmap->buf) MEM_freeN(vmap->buf); - MEM_freeN(vmap); - } -} - |