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#include <stdio.h>
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#include <math.h>
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#include "m3d_struct.h"
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#include "m3d_const.h"
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#include "m3d_hotes.h"
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#include "m3d_macro.h"
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#include "prototype.h"
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extern GEST_MEM *gest ;
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/* face existante */
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extern int debug ;
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extern int check ;
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extern float dimp ;
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extern float eps, eps2, eps3, eps4 ;
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extern int tab_plan[4] ;
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extern float tab_vn[5][3] ;/* normales entieres du tetra */
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int m3d_cpfront(float *coord,FACE *face,NOEUD *noe_p,int *ierr)
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{
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FACE *courant, *tab_face[4] ;
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FACE *face1, *face2, *face3 ;
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NOEUD *nj1, *nj2, *nj3, *n1, *n2, *n3, *nzero ;
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int i, j, k, is_inter, min_j ;
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OBJET *tete, *obj ;
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int nb;
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FACE *tab[NB_MAX_INTER] ;
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int tab_mark[NB_MAX_INTER] ;
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float vmin[3], vmax[3] ;
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CONNEC *connec ;
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int nb_noeud = 0 ;
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float delta_x, delta_y, delta_z, coeff;
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int ii, ij ;
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float v01[3] , v12[3], v02[3], v03[3], v13[3], v23[3] ;
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float v45[3], v56[3], v46[3] ;
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int in0 , in1 , in2 , in3 ;
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float vmin2[3], vmax2[3] ;
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int j1, j2, j3, num_c, nb_oct ;
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OCT *tab_oct[NB_MAX_CONNEC] ;
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nb = 0 ;
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nzero = NULL ;
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face1 = NULL ;
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face2 = NULL ;
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face3 = NULL ;
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nj1 = face->n1 ;
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nj2 = face->n2 ;
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nj3 = face->n3 ;
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num_c = noe_p->num ;
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j1 = nj1->num ;
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j2 = nj2->num ;
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j3 = nj3->num ;
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in0 = 3 * j1 ;
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in1 = 3 * j2 ;
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in2 = 3 * j3 ;
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in3 = 3 * num_c ;
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nb = 1;
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tab[0] = face ;
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tab_mark[0] = face->mark ;
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louhichi |
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face->mark = (size_t)face ;
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tab_plan[0] = FAUX ;
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tab_plan[1] = FAUX ;
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tab_plan[2] = FAUX ;
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tab_plan[3] = FAUX ;
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/* recherche des faces */
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min_j = min(j3,j2) ;
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min_j = min(min_j,num_c) ;
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if (min_j==j3)
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{
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n1 = nj3 ;
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n2 = nj2 ;
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n3 = noe_p ;
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}
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else if (min_j==j2)
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{
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n1 = nj2 ;
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n2 = noe_p ;
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n3 = nj3 ;
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}
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else
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{
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n1 = noe_p ;
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n2 = nj3 ;
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n3 = nj2 ;
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}
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/* recherche de la face n1,n2,n3 */
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face2 = m3d_recface(coord,n1,n2,n3) ;
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if (face2 != NULL) tab_plan[2] = VRAI ;
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/* recherche de la face j1 j3 num_c */
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min_j = min(j1,j3) ;
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min_j = min(min_j,num_c) ;
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if (min_j==j1)
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{
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n1 = nj1 ;
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n2 = nj3 ;
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n3 = noe_p ;
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}
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else if (min_j==j3)
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{
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n1 = nj3 ;
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n2 = noe_p ;
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n3 = nj1 ;
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}
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else
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{
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n1 = noe_p ;
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n2 = nj1 ;
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n3 = nj3 ;
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}
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/* recherche de la face n1,n2,n3 */
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face3 = m3d_recface(coord,n1,n2,n3) ;
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if (face3 != NULL) tab_plan[3] = VRAI ;
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/* recherche de la face j2 j1 num_c */
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min_j = min(j2,j1) ;
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min_j = min(min_j,num_c) ;
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if (min_j==j2)
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{
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n1 = nj2 ;
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n2 = nj1 ;
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n3 = noe_p ;
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}
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else if (min_j==j1)
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{
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n1 = nj1 ;
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n2 = noe_p ;
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n3 = nj2 ;
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}
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else
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{
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n1 = noe_p ;
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n2 = nj2 ;
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n3 = nj1 ;
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}
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/* recherche de la face n1,n2,n3 */
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face1 = m3d_recface(coord,n1,n2,n3) ;
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if (face1 != NULL) tab_plan[1] = VRAI ;
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/* donnees communes */
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VECTEUR(v01,(coord+in0),(coord+in1))
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VECTEUR(v12,(coord+in1),(coord+in2))
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VECTEUR(v02,(coord+in0),(coord+in2))
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VECTEUR(v03,(coord+in0),(coord+in3))
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VECTEUR(v13,(coord+in1),(coord+in3))
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VECTEUR(v23,(coord+in2),(coord+in3))
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/* calcul des normales exterieures */
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/* face 0 2 1 */
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tab_vn[0][0] = PVECX(v02,v01) ;
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tab_vn[0][1] = PVECY(v02,v01) ;
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tab_vn[0][2] = PVECZ(v02,v01) ;
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/* face 0 1 3 */
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tab_vn[1][0] = PVECX(v01,v03) ;
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tab_vn[1][1] = PVECY(v01,v03) ;
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tab_vn[1][2] = PVECZ(v01,v03) ;
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/* face 1 2 3 */
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tab_vn[2][0] = PVECX(v12,v13) ;
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tab_vn[2][1] = PVECY(v12,v13) ;
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tab_vn[2][2] = PVECZ(v12,v13) ;
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/* face 0 3 2 */
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tab_vn[3][0] = PVECX(v03,v02) ;
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tab_vn[3][1] = PVECY(v03,v02) ;
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tab_vn[3][2] = PVECZ(v03,v02) ;
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/* recherche des faces avec lesquelles il peut y avoir intersection */
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BOITE(nj1,nj2,nj3,noe_p,vmin,vmax)
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eps = max(vmax[0]-vmin[0],vmax[1]-vmin[1]) ;
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eps = max(eps,vmax[2]-vmin[2]) ;
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eps = eps * 0.001 ;
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eps2 = eps * eps ;
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eps3 = eps2 * eps ;
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eps4 = eps3 * eps ;
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nb_oct = 0 ;
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*ierr = FAUX ;
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m3d_rec_oct(vmin,vmax,gest->root,&nb_oct,tab_oct,ierr) ;
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if (*ierr == VRAI) return(VRAI) ;
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for (i=0;i<nb_oct;i++)
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{
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/* faces de peau stockees en tant qu'objet */
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obj = tab_oct[i]->lis_obj ;
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/* parcours de la liste des objets */
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while (obj !=NULL)
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{
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courant = obj->ref;/* adresse de l'adresse de la structure face */
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if (courant!=NULL)
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if (courant->mark!=DESTROYED)
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{
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/* face */
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louhichi |
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if (courant->mark!=(size_t)face)
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{
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tab[nb] = courant ;
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tab_mark[nb] = courant->mark ;
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nb++ ;
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louhichi |
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courant->mark = (size_t)face ;
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is_inter = 1 ;
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/* test sur les boites englobantes */
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BOITE(courant->n1,courant->n2,courant->n3,nzero,vmin2,vmax2)
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if (vmin2[2]>vmax[2] + 2.) is_inter = 0 ;
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if (vmax2[2]<vmin[2] - 2.) is_inter = 0 ;
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if (vmin2[1]>vmax[1] + 2.) is_inter = 0 ;
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if (vmax2[1]<vmin[1] - 2.) is_inter = 0 ;
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if (vmin2[0]>vmax[0] + 2.) is_inter = 0 ;
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if (vmax2[0]<vmin[0] - 2.) is_inter = 0 ;
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if (is_inter)
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if (m3d_intersection(coord,in0,in1,in2,in3,3*(courant->n1->num),3*(courant->n2->num),3*(courant->n3->num)))
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{
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/* reset des flags */
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for (k=0;k<nb;k++)
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{
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courant = (FACE*)(tab[k]) ;
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courant->mark = tab_mark[k] ;
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}
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return(VRAI) ;
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}
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}
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}
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obj = obj->suivant ;/* passer au suivant dans la liste */
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}
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/* faces crees */
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/* autres faces lies aux tetraedres */
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connec = tab_oct[i]->lis_con ;
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while (connec != NULL)
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{
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if ((connec->tetra)->mark != KILLED)
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{
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tab_face[0] = (connec->tetra)->face1 ;
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tab_face[1] = (connec->tetra)->face2 ;
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tab_face[2] = (connec->tetra)->face3 ;
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tab_face[3] = (connec->tetra)->face4 ;
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for (k=0;k<4;k++)
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{
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courant = tab_face[k] ;
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louhichi |
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if ((courant->mark!=(size_t)face)&&(courant!=face))
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{
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tab[nb] = courant ;
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tab_mark[nb] = courant->mark ;
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nb++ ;
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louhichi |
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courant->mark = (size_t)face ;
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5 |
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is_inter = 1 ;
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/* test sur les boites englobantes */
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BOITE(courant->n1,courant->n2,courant->n3,nzero,vmin2,vmax2)
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if (vmin2[2]>vmax[2] + 2.) is_inter = 0 ;
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if (vmax2[2]<vmin[2] - 2.) is_inter = 0 ;
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if (vmin2[1]>vmax[1] + 2.) is_inter = 0 ;
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if (vmax2[1]<vmin[1] - 2.) is_inter = 0 ;
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if (vmin2[0]>vmax[0] + 2.) is_inter = 0 ;
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if (vmax2[0]<vmin[0] - 2.) is_inter = 0 ;
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if (is_inter)
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if (m3d_intersection(coord,in0,in1,in2,in3,3*(courant->n1->num),3*(courant->n2->num),3*(courant->n3->num)))
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{
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/* reset des flags */
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for (k=0;k<nb;k++)
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{
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courant = (FACE*)(tab[k]) ;
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courant->mark = tab_mark[k] ;
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}
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return(VRAI) ;
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}
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}
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}
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}
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connec = connec->suivant ;
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}
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}
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/* reset des flags */
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for (i=0;i<nb;i++)
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{
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courant = (FACE*)(tab[i]) ;
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courant->mark = tab_mark[i] ;
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}
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return(FAUX) ;
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}
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