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first working version, need more test

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This commit is contained in:
tTh 2023-04-14 10:10:01 +02:00
parent 4bca017774
commit 3dbcb198bf
2 changed files with 125 additions and 1 deletions
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5
tools/objtrucs.h
View File

@ -1,5 +1,7 @@
/*
* EXPERIMENTAL CODE !
*
* see also 'rdwredges.c
*/
@ -8,7 +10,8 @@ typedef struct {
BBList *Blist;
EdgeList *Elist;
int status;
} EdgeAndVertices;
} EdgesAndVertices;
int x_write_vertedges(char *filename, BBList *bblist, EdgeList *edges);
int x_load_vertedges(char *filename, EdgesAndVertices *eav);

121
tools/rdwredges.c
View File

@ -19,6 +19,17 @@
extern int verbosity;
/* --------------------------------------------------------------------- */
static void dumper(void *ptr, int count)
{
int idx;
unsigned char *cptr = (unsigned char *)ptr;
for (idx=0; idx<count; idx++) {
fprintf(stderr, "%02x", cptr[idx]);
}
fprintf(stderr, " ?\n");
}
/* --------------------------------------------------------------------- */
/* EXPERIMENTAL GRUIK-CODE !!! */
int x_write_vertedges(char *filename, BBList *bblist, EdgeList *edges)
@ -26,6 +37,7 @@ int x_write_vertedges(char *filename, BBList *bblist, EdgeList *edges)
FILE *fp;
int idx, edg[2];
double coo[3];
int nbre;
fprintf(stderr, ">>> %s ( '%s' %p %p )\n", __func__, filename,
bblist, edges);
@ -37,6 +49,8 @@ if (NULL==(fp=fopen(filename, "w"))) {
print_bublist_desc(bblist, 0);
fwrite("VERTICES", 8, 1, fp);
nbre = bblist->fidx;
fwrite(&nbre, sizeof(int), 1, fp);
for (idx=0; idx<bblist->fidx; idx++) {
fprintf(stderr, "vertice %d\n", idx);
coo[0] = bblist->bbs[idx].p.x;
@ -47,6 +61,8 @@ for (idx=0; idx<bblist->fidx; idx++) {
print_edgelist_desc(edges, 0);
fwrite("EDGES ", 8, 1, fp);
nbre = edges->fidx;
fwrite(&nbre, sizeof(int), 1, fp);
for (idx=0; idx<edges->fidx; idx++) {
edg[0] = edges->edges[idx].A;
edg[1] = edges->edges[idx].B;
@ -57,3 +73,108 @@ fclose(fp);
return 0;
}
/* --------------------------------------------------------------------- */
/* EXPERIMENTAL GRUIK-CODE !!! */
int x_load_vertedges(char *filename, EdgesAndVertices *eav)
{
BBList *blst;
EdgeList *elst;
FILE *fp;
char marker[8];
int nbre, foo, idx, edg[2];
double coo[3];
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( '%s' %p )\n", __func__, filename, eav);
#endif
if (NULL==(fp=fopen(filename, "r"))) {
perror(filename);
return -4;
}
/* + + + + + + + + + + + */
foo = fread(marker, 8, 1, fp);
if (1 != foo) {
fprintf(stderr, " %s of '%s': short read %d\n", __func__, filename, foo);
return -1;
}
if (memcmp("VERTICES", marker, 8)) {
fprintf(stderr, " %s is not an evblob file.\n", filename);
dumper(marker, 8);
return -4;
}
/* now, get the numbers of vertices */
foo = fread(&nbre, sizeof(int), 1, fp);
if (1 != foo) {
fprintf(stderr, " %s of '%s': short read %d\n", __func__, filename, foo);
return -1;
}
fprintf(stderr, " %d vertices to be loaded\n", nbre);
/* allocate memory */
blst = alloc_bubulles(filename, nbre, 0);
if (NULL==blst) {
fprintf(stderr, "in %s, no mem, aborting...\n", __func__);
abort();
}
if (verbosity > 1) print_bublist_desc(blst, 0);
/* load all that XYZ points */
for (idx=0; idx<nbre; idx++) {
if (3 != fread(coo, sizeof(double), 3, fp)) {
fprintf(stderr, "%s err reading vertice #%d\n", __func__, idx);
exit(1);
}
blst->bbs[idx].p.x = coo[0];
blst->bbs[idx].p.y = coo[1];
blst->bbs[idx].p.z = coo[2];
blst->fidx++;
}
/* + + + + + + + + + + + */
foo = fread(marker, 8, 1, fp);
if (1 != foo) {
fprintf(stderr, " %s of '%s': short read %d\n", __func__, filename, foo);
return -1;
}
if (memcmp("EDGES ", marker, 8)) {
fprintf(stderr, " %s is not an evblob file.\n", filename);
dumper(marker, 8);
return -4;
}
/* now, get the numbers of eges */
foo = fread(&nbre, sizeof(int), 1, fp);
if (1 != foo) {
fprintf(stderr, " %s of '%s': short read %d\n", __func__, filename, foo);
return -1;
}
fprintf(stderr, " %d edges to be loaded\n", nbre);
/* allocate memory for edges list */
elst = alloc_edgelist("krkrkr", nbre, 0);
if (NULL==elst) {
fprintf(stderr, "no mem for edges in %s, aborting...\n", __func__);
abort(); /* be violent before OOMK */
}
/* read (and check ?) the edges */
for (idx=0; idx<nbre; idx++) {
if (2 != fread(edg, sizeof(int), 2, fp)) {
fprintf(stderr, "%s: err reading edge #%d\n", __func__, idx);
return -6;
}
elst->edges[idx].A = edg[0];
elst->edges[idx].B = edg[1];
elst->fidx++;
}
/* so, now I think we have got all the data */
eav->Blist = blst;
eav->Elist = elst;
eav->status = 0x51;
fclose(fp);
return 0;
}
/* --------------------------------------------------------------------- */