quiet build process
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31
unfold.c
31
unfold.c
@ -15,6 +15,8 @@
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#define M_PI 3.1415926535897932384
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#endif
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static int debug = 0;
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typedef struct
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{
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char header[80];
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@ -256,7 +258,7 @@ get_line_intersection(
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if (s > EPS && s < 1-EPS && t > EPS && t < 1-EPS)
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{
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fprintf(stderr, "collision: %f,%f->%f,%f %f,%f->%f,%f == %f,%f\n",
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if(debug) fprintf(stderr, "collision: %f,%f->%f,%f %f,%f->%f,%f == %f,%f\n",
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p0_x, p0_y,
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p1_x, p1_y,
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p2_x, p2_y,
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@ -388,7 +390,7 @@ poly_build(
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}
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//fprintf(stderr, "%p: adding to poly\n", f);
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if (debug) fprintf(stderr, "%p: adding to poly\n", f);
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for(int pass = 0 ; pass < 2 ; pass++)
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{
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@ -564,7 +566,7 @@ coplanar_check(
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float dot = v3_dot(dx31, cross);
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int check = -EPS < dot && dot < +EPS;
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//fprintf( stderr, "%p %p %s: %f\n", f1, f2, check ? "yes" : "no", dot);
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if (debug) fprintf( stderr, "%p %p %s: %f\n", f1, f2, check ? "yes" : "no", dot);
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return (int) dot;
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}
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@ -591,7 +593,8 @@ stl2faces(
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f->sides[0] = v3_len(&stl->p[0], &stl->p[1]);
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f->sides[1] = v3_len(&stl->p[1], &stl->p[2]);
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f->sides[2] = v3_len(&stl->p[2], &stl->p[0]);
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//fprintf(stderr, "%p %f %f %f\n", f, f->sides[0], f->sides[1], f->sides[2]);
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if (debug) fprintf(stderr, "%p %f %f %f\n",
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f, f->sides[0], f->sides[1], f->sides[2]);
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}
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// look to see if there is a matching point
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@ -683,6 +686,7 @@ int main(void)
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else
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offset = lrand48();
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fprintf(stderr, "Starting at poly %d\n", offset % num_triangles);
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int group_count = 0;
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for (int i = 0 ; i < num_triangles ; i++)
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{
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@ -700,21 +704,36 @@ int main(void)
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poly_min[0] = poly_min[1] = 0;
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poly_max[0] = poly_max[1] = 0;
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fprintf(stderr, "\n\n\n****** New group %p\n", poly_root);
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poly_t * iter = &g;
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int poly_count = 0;
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group_count++;
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if (debug) fprintf(stderr, "****** %d: New group %p\n",
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group_count, poly_root);
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while (iter)
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{
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poly_build(iter);
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iter = iter->work_next;
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poly_count++;
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}
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fprintf(stderr, "group %d: %d triangles\n",
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group_count, poly_count);
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// todo: walk the generated polygon and attempt to add tabs
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// to edges where they fit
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// offset the poly so that it doesn't overlap the ones
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// we've already generated. only shift in Y.
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float off_x = last_x - poly_min[0];
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float off_y = last_y - poly_min[1];
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last_y = off_y + poly_max[1];
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// \todo: generate lots of poly sets before we print
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// to find a minimal set. perhaps vary the search rules?
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printf("<g transform=\"translate(%f %f)\">\n", off_x, off_y);
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poly_print(&g);
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printf("</g>\n");
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