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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 "prototype.h"
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extern int nb_inter ;
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extern int nb_no_inter ;
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extern GEST_MEM *gest ;
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int m3d_test(FACE *face,NOEUD *noe_p,float *coord,int *ierr)
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{
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FACE *face1, *face2, *face3 ;
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NOEUD *nj1, *nj2, *nj3, *n1, *n2, *n3, *n4;
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int j1, j2, j3, num_c ;
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int min_j ;
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TETRAEDRE *tetra ;
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CONNEC *connec ;
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OCT *oct ;
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int nb_killed ;
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n1 = n2 = n3 = NULL ;
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/* point connectable ? */
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if (noe_p->mark == KILLED) return(FAUX) ;/* point elimine */
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if (noe_p->mark == NO_CONNEC) return(FAUX) ;
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/* parcours de la liste des tetras detruits EVITER DE BOUCLER */
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/* reperer l'octree d'appartenance du noeud */
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oct = (face->n1)->oct ;
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connec = face->n1->lis_con ;
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nb_killed = 0 ;
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while (connec!=NULL)
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{
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tetra = connec->tetra ;/* tetra connecte au noeud */
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if ((tetra->mark == KILLED) && (gest->numele[4*(tetra->num) + 1]!=123456789))
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{
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if ( (tetra->face1->n1==face->n1) || (tetra->face1->n1==face->n2) || (tetra->face1->n1==face->n3) || (tetra->face1->n1==noe_p))
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{
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if ( (tetra->face1->n2==face->n1) || (tetra->face1->n2==face->n2) || (tetra->face1->n2==face->n3)
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|| (tetra->face1->n2==noe_p))
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{
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if ( (tetra->face1->n3==face->n1) || (tetra->face1->n3==face->n2) || (tetra->face1->n3==face->n3)
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|| (tetra->face1->n3==noe_p))
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{
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/* determination du 4 e noeud du tetra */
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n4 = NULL ;
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if ( (tetra->face2->n1!=tetra->face1->n1) && (tetra->face2->n1!=tetra->face1->n2)
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&& (tetra->face2->n1!=tetra->face1->n3))
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{
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n4 = tetra->face2->n1 ;
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}
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else if ( (tetra->face2->n2!=tetra->face1->n1) && (tetra->face2->n2!=tetra->face1->n2) &&
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(tetra->face2->n2!=tetra->face1->n3))
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{
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n4 = tetra->face2->n2 ;
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}
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else n4 = tetra->face2->n3 ;
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if ( (n4==face->n1) || (n4==face->n2) || (n4==face->n3)
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|| (n4==noe_p))
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{
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nb_killed ++;
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if (nb_killed>2)
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{
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return(FAUX) ;
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}
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}
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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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/* les faces du tetra coupent-elles le front */
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*ierr = FAUX ;
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nb_inter = 0 ;
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nb_no_inter = 0 ;
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if (m3d_cpfront(coord,face,noe_p,ierr))
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{
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/*
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printf("Intersections : %d tests\n",nb_inter) ;
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printf("Pas d'intersections : %d tests\n",nb_no_inter) ;
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*/
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return(FAUX) ;
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}
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/*
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printf("Intersections : %d tests\n",nb_inter) ;
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printf("Pas d'intersections : %d tests\n",nb_no_inter) ;
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*/
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/* dernier test (30/10/1992) */
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/* ************************** */
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/* test d'existence des faces */
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/* ************************** */
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if (noe_p->mark == CARD_NULL) return(VRAI) ;
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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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j1 = nj1->num ;
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j2 = nj2->num ;
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j3 = nj3->num ;
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num_c = noe_p->num ;
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/* recherche de la face j3 j2 num_c */
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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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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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if (min_j==num_c)
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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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face1 = m3d_recface2(coord,n1,n2,n3) ;
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if (face1!=NULL)
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{
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/* on teste si la face a ete detruite */
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if (face1->mark==KILLED)
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{
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return(FAUX) ;
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}
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}
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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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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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if (min_j==num_c)
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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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face2 = m3d_recface2(coord,n1,n2,n3) ;
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if (face2!=NULL)
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{
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/* on teste si la face a ete detruite */
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if (face2->mark==KILLED)
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{
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return(FAUX) ;
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}
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}
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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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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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if (min_j==num_c)
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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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face3 = m3d_recface2(coord,n1,n2,n3) ;
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if (face3!=NULL)
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{
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/* on teste si la face a ete detruite */
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if (face3->mark==KILLED)
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{
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return(FAUX) ;
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}
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}
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return(VRAI) ;
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}
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