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francois |
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#include <stdio.h> |
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#include <math.h> |
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#include "r3d_struct.h" |
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#include "m3d_const.h" |
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#include "prototype2.h" |
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extern float elan ; |
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extern GEST_MEM *gest_r ; |
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int r3d_test(FACE *face,float amin,int index,NOEUD **lis_possible,int *lis_signe,float *critere,float *coord,int *ierr) |
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{ |
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NOEUD *noe_p ; |
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/* modif 30/10/92 */ |
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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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int nb_killed ; |
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noe_p = (NOEUD*)lis_possible[index] ;/* adresse du noeud selecte */ |
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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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/* tetra aplati */ |
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if (critere[index] <0.001) return(FAUX) ; |
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/* noeud au dessus */ |
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if (lis_signe[index] == NEGATIF) 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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connec =(face->n1)->tete ; |
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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_r->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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if (r3d_cpfront(coord,face,noe_p,ierr)) |
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{ |
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return(FAUX) ; |
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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 = r3d_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 = r3d_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 = r3d_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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} |
