not ready for prime time
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tTh
parent
c4547fa832
commit
52e5ace4e1
3
tools/.gitignore
vendored
3
tools/.gitignore
vendored
@ -1,4 +1,7 @@
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essai_faces
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read_obj
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*.vertices
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*.edges
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@ -8,3 +8,6 @@ read_obj: read_obj.c Makefile importobj.o $(BBFUNCS)
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importobj.o: importobj.c ../bubulles.h Makefile
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$(CC) $(OPT) -c $<
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essai_faces: essai_faces.c Makefile
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$(CC) $(OPT) $< -o $@
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49
tools/cube.obj
Normal file
49
tools/cube.obj
Normal file
@ -0,0 +1,49 @@
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# cube.obj
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#
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o cube
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v 0.0 0.0 0.0
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v 0.0 0.0 1.0
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v 0.0 1.0 0.0
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v 0.0 1.0 1.0
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v 1.0 0.0 0.0
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v 1.0 0.0 1.0
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v 1.0 1.0 0.0
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v 1.0 1.0 1.0
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vt 0.25 0.0
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vt 0.5 0.0
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vt 0 0.25
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vt 0.25 0.25
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vt 0.5 0.25
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vt 0.75 0.25
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vt 0.0 0.5
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vt 0.25 0.5
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vt 0.5 0.5
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vt 0.75 0.5
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vt 0.25 0.75
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vt 0.5 0.75
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vt 0.25 1.0
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vt 0.5 1.0
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vn 0.0 0.0 1.0
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vn 0.0 0.0 -1.0
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vn 0.0 1.0 0.0
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vn 0.0 -1.0 0.0
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vn 1.0 0.0 0.0
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vn -1.0 0.0 0.0
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f 1/11/2 7/14/2 5/12/2
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f 1/11/2 3/13/2 7/14/2
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f 1/7/6 4/4/6 3/3/6
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f 1/7/6 2/8/6 4/4/6
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f 3/1/3 8/5/3 7/2/3
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f 3/1/3 4/4/3 8/5/3
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f 5/10/5 7/6/5 8/5/5
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f 5/10/5 8/5/5 6/9/5
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f 1/11/4 5/12/4 6/9/4
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f 1/11/4 6/9/4 2/8/4
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f 2/8/1 6/9/1 8/5/1
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f 2/8/1 8/5/1 4/4/1
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@ -7,6 +7,7 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "../bubulles.h"
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#include "../edges.h"
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@ -27,7 +28,8 @@ typedef struct {
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int id;
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} Tokens;
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enum token_id { T_comment=1, T_vertice, T_group, T_face, T_vt };
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enum token_id { T_comment=1, T_vertice, T_group, T_face, T_vt, T_vn,
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T_line, T_object, T_smoothing, T_usemtl, T_mtllib };
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Tokens TokenList[] = {
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{ "#", T_comment },
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@ -35,6 +37,12 @@ Tokens TokenList[] = {
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{ "g", T_group }, // to be verified !
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{ "f", T_face },
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{ "vt", T_vt }, // c'est quoi ce truc ?
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{ "vn", T_vt }, // c'est quoi ce truc ?
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{ "l", T_line },
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{ "o", T_object },
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{ "s", T_smoothing },
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{ "usemtl", T_usemtl },
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{ "mtllib", T_mtllib },
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{ NULL, 0 }
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};
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@ -76,45 +84,62 @@ if (3 == foo) {
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return foo;
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}
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/* --------------------------------------------------------------------- */
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/* new Mon 27 Mar 2023 12:08:18 AM CEST */
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/* new Mon 27 Mar 2023 12:08:18 AM CEST
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*
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* mmmm... complex thing to do...
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*
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*/
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int parse_face(char *cptr, int phy)
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{
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int ix, foo;
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int fa, fb;
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int pts[3];
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( '%s' %d )\n", __func__, cptr, phy);
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#endif
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#if (0)
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fprintf(stderr, "parse_face");
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for (foo=0; foo<16; foo++) {
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fprintf(stderr, " %02X", ((unsigned char *)cptr)[foo]);
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}
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fprintf(stderr, "\n");
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#endif
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for (ix=0; ix<3; ix++) {
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cptr = strtok(NULL, " ");
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if (NULL == cptr) {
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fprintf(stderr, "incomplete face in %s\n", __func__);
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return -4;
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}
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if (2 != sscanf(cptr, "%d/%d", &fa, &fb)) {
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if (1 != sscanf(cptr, "%d", &pts[ix])) {
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fprintf(stderr, "%s: err sscanf\n", __func__);
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exit(1);
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return -3;
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}
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// XXX fprintf(stderr, " %d got %d %d\n", ix, fa, fb);
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/*
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* yes, i've found 0-lenght edges, wtf ?
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*/
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if (fa == fb) {
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// fprintf(stderr, "'%s' dublicate\n", cptr);
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continue;
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}
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foo = push_a_missing_edge(edges, fa, fb);
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if (foo) {
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/** check the freshly read datas **/
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if ( pts[0]==pts[1] || pts[0]==pts[2] || pts[2]==pts[1] ) {
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fprintf(stderr, "%s: degerated face ( %d %d %d )\n", __func__,
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pts[0], pts[1], pts[2]);
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sleep(5);
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}
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foo = push_a_missing_edge(edges, pts[0], pts[1]);
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if (foo) {
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fprintf(stderr, "%s: disaster #%d\n", __func__, foo);
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#if MUST_ABORT
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fflush(stderr), abort();
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#endif
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return -2;
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}
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foo = push_a_missing_edge(edges, pts[1], pts[2]);
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if (foo) {
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fprintf(stderr, "%s: disaster #%d\n", __func__, foo);
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return -2;
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}
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foo = push_a_missing_edge(edges, pts[2], pts[0]);
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if (foo) {
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fprintf(stderr, "%s: disaster #%d\n", __func__, foo);
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return -2;
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}
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#if DEBUG_LEVEL
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@ -128,7 +153,7 @@ int try_to_read_an_OBJ_file(char *infname, char *file_vert, char *file_edges,
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int notused)
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{
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FILE *fpin;
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char line[LINE_SZ+1], *cptr;
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char line[LINE_SZ+1], *cptr, *token;
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float x, y, z;
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int foo, nbre, tokenid;
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Bubulle bubulle;
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@ -143,14 +168,14 @@ if (NULL==(fpin=fopen(infname, "r"))) {
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exit(1);
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}
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bublist = alloc_bubulles(infname, 500000, 0);
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bublist = alloc_bubulles(infname, 200000, 0);
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if (NULL==bublist) {
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fprintf(stderr, "in %s, no mem for bubls, aborting...\n", __func__);
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abort();
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}
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print_bublist_desc(bublist, 0);
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edges = alloc_edgelist("krkrkr", 200000, 0);
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edges = alloc_edgelist("krkrkr", 400000, 0);
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if (NULL==edges) {
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fprintf(stderr, "no mem for edges in %s, aborting...\n", __func__);
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abort();
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@ -173,9 +198,11 @@ while(NULL!=(cptr=fgets(line, LINE_SZ, fpin))) {
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cptr = strtok(line, " ");
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if (NULL == cptr) {
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fprintf(stderr, "no token ?\n");
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/* this is an empty line */
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// fprintf(stderr, "no token ?\n");
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continue;
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}
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token = cptr;
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tokenid = type_of_the_line(cptr);
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if (verbosity > 1)
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fprintf(stderr, "token '%s' --> %d\n", cptr, tokenid);
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@ -202,21 +229,43 @@ while(NULL!=(cptr=fgets(line, LINE_SZ, fpin))) {
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abort();
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}
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break;
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case T_face:
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/* experimental code here */
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foo = parse_face(cptr, 0);
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if (foo) {
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fprintf(stderr, " '%s' parse face -> %d\n",
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cptr, foo);
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exit(1);
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}
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break;
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case T_object:
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cptr = strtok(NULL, " ");
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fprintf(stderr, "\tObject: %s\n", cptr);
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break;
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case T_group:
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cptr = strtok(NULL, " ");
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fprintf(stderr, "\tGroup: %s\n", cptr);
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break;
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case T_usemtl:
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cptr = strtok(NULL, " ");
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fprintf(stderr, "\tUsemtl: %s\n", cptr);
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break;
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case T_mtllib:
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cptr = strtok(NULL, " ");
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fprintf(stderr, "\tMtllib: %s\n", cptr);
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break;
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case T_face:
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foo = parse_face(cptr, 0);
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if (foo) fprintf(stderr, " '%s' parse face -> %d\n",
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cptr, foo);
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case T_line:
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break;
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case T_smoothing:
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break;
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case T_vt:
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break;
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default:
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// fprintf(stderr, "\ttoken %d ?\n", tokenid);
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continue; /* wtf ? */
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fprintf(stderr, "token %s -> %d ?\n", token, tokenid);
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break;
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}
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nbre++;
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@ -234,7 +283,7 @@ bubulles_to_data(file_vert, NULL, bublist, 0);
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free_bubulles(bublist, 0);
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print_edgelist_desc(edges, 0);
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print_the_edges(stdout, edges, 0);
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edges_to_data(file_edges, edges, 0);
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free_edgelist(edges, 0);
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return 0;
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@ -1,7 +1,7 @@
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g minimal
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o minimal
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v 0 0 0
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v 1 0 0
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v 0 1 0
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v 0 0 1
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f 1/2, 2/3, 3/1
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f 0/1, 0/1, 0/2
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f 1/2 2/3 3/1
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f 0/1 0/1 0/2
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@ -20,15 +20,17 @@ int main(int argc, char *argv[])
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int foo;
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char *fname; /* see manpage basename(3) */
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fprintf(stderr, "\n### READ_OBJ %s %s\n\n", __DATE__, __TIME__);
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if (2 != argc) {
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bubulles_version(1);
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exit(0);
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}
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verbosity = 0;
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verbosity = 1;
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fname = basename(argv[1]);
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fprintf (stderr, "input fname is '%s'\n", fname);
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fprintf (stderr, "input file name is '%s'\n", fname);
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foo = try_to_read_an_OBJ_file(argv[1], "bulles.vertices", "bulles.edges", 0);
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fprintf(stderr, "try to read '%s' -> %d\n", argv [1], foo);
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