From 71f2e4342cc429e0de6016aa7ed214da74d268c6 Mon Sep 17 00:00:00 2001 From: curt Date: Wed, 21 Oct 1998 14:55:55 +0000 Subject: [PATCH] Converted to Point3D class. --- FixObj/obj.cxx | 259 ++++++++++++++++++++++++++----------------------- 1 file changed, 139 insertions(+), 120 deletions(-) diff --git a/FixObj/obj.cxx b/FixObj/obj.cxx index 25690d5b4..571a71058 100644 --- a/FixObj/obj.cxx +++ b/FixObj/obj.cxx @@ -23,20 +23,32 @@ #include +#include #include +#include +#include "Include/compiler.h" + +#ifdef NEEDNAMESPACESTD +using namespace std; +#endif + #include "obj.hxx" #include +#include +typedef vector < Point3D > container3; +typedef container3::iterator iterator3; +typedef container3::const_iterator const_iterator3; // what do ya' know, here's some global variables -static double nodes[MAXNODES][3]; -static double normals[MAXNODES][3]; +container3 nodes; +container3 normals; static int faces[MAXNODES][3]; -int ncount, vncount, fcount; +int vncount, fcount; static int ccw_list[MAXNODES]; int ccw_list_ptr; @@ -46,7 +58,7 @@ int cw_list_ptr; FILE *in, *out; -double refx, refy, refz; +Point3D ref; // some simple list routines @@ -131,66 +143,78 @@ void fix_cw_list(int *list, int list_ptr) { } -// Calculate distance between (0,0,0) and the specified point -static double calc_dist(double x, double y, double z) { - return ( sqrt(x*x + y*y + z*z) ); -} - - void dump_global_bounds( void ) { double dist, radius; - int i; radius = 0.0; fprintf(out, "\n"); - for ( i = 1; i < ncount; i++ ) { + + iterator3 current = nodes.begin(); + iterator3 last = nodes.end(); + + // skip first dummy node + ++current; - dist = calc_dist(nodes[i][0] - refx, nodes[i][1] - refy, - nodes[i][2] - refz); - // printf("node = %.2f %.2f %.2f dist = %.2f\n", - // nodes[i][0], nodes[i][1], nodes[i][2], - // dist); + for ( ; current != last; ++current ) { + dist = ref.distance3D(*current); + // cout << "node = " << *current << " dist = " << dist << endl; if ( dist > radius ) { radius = dist; } - } - fprintf(out, "gbs %.5f %.5f %.5f %.2f\n", refx, refy, refz, radius); + fprintf( out, + "gbs %.5f %.5f %.5f %.2f\n", + ref.x(), ref.y(), ref.z(), radius); } // dump nodes void dump_nodes( void ) { - int i; + Point3D p; fprintf(out, "\n"); - for ( i = 1; i < ncount; i++ ) { - fprintf(out, "v %.5f %.5f %.5f\n", - nodes[i][0] - refx, nodes[i][1] - refy, nodes[i][2] - refz); + + iterator3 current = nodes.begin(); + iterator3 last = nodes.end(); + + // skip first dummy node + ++current; + + for ( ; current != last; ++current ) { + p = *current - ref; + fprintf( out, "v %.5f %.5f %.5f\n", p.x(), p.y(), p.z() ); } } // dump normals void dump_normals( void ) { - int i; + Point3D p; fprintf(out, "\n"); - for ( i = 1; i < vncount; i++ ) { - fprintf(out, "vn %.5f %.5f %.5f\n", - normals[i][0], normals[i][1], normals[i][2]); + + iterator3 current = normals.begin(); + iterator3 last = normals.end(); + + // skip first dummy normal + ++current; + + for ( ; current != last; ++current ) { + p = *current; + fprintf(out, "vn %.5f %.5f %.5f\n", p.x(), p.y(), p.z() ); } } // dump faces void dump_faces( void ) { + Point3D p; int i, n1, n2, n3; - double x, y, z, xmax, xmin, ymax, ymin, zmax, zmin, dist, radius; + double xmax, xmin, ymax, ymin, zmax, zmin, dist, radius; fprintf(out, "\n"); for ( i = 1; i < fcount; i++ ) { @@ -199,40 +223,39 @@ void dump_faces( void ) { n3 = faces[i][2]; // calc center of face - xmin = xmax = nodes[n1][0]; - ymin = ymax = nodes[n1][1]; - zmin = zmax = nodes[n1][2]; - - if ( nodes[n2][0] < xmin ) { xmin = nodes[n2][0]; } - if ( nodes[n2][0] > xmax ) { xmax = nodes[n2][0]; } - if ( nodes[n2][1] < ymin ) { ymin = nodes[n2][1]; } - if ( nodes[n2][1] > ymax ) { ymax = nodes[n2][1]; } - if ( nodes[n2][2] < zmin ) { zmin = nodes[n2][2]; } - if ( nodes[n2][2] > zmax ) { zmax = nodes[n2][2]; } - - if ( nodes[n3][0] < xmin ) { xmin = nodes[n3][0]; } - if ( nodes[n3][0] > xmax ) { xmax = nodes[n3][0]; } - if ( nodes[n3][1] < ymin ) { ymin = nodes[n3][1]; } - if ( nodes[n3][1] > ymax ) { ymax = nodes[n3][1]; } - if ( nodes[n3][2] < zmin ) { zmin = nodes[n3][2]; } - if ( nodes[n3][2] > zmax ) { zmax = nodes[n3][2]; } - - x = (xmin + xmax) / 2.0; - y = (ymin + ymax) / 2.0; - z = (zmin + zmax) / 2.0; + xmin = xmax = nodes[n1].x(); + ymin = ymax = nodes[n1].y(); + zmin = zmax = nodes[n1].z(); + + if ( nodes[n2].x() < xmin ) { xmin = nodes[n2].x(); } + if ( nodes[n2].x() > xmax ) { xmax = nodes[n2].x(); } + if ( nodes[n2].y() < ymin ) { ymin = nodes[n2].y(); } + if ( nodes[n2].y() > ymax ) { ymax = nodes[n2].y(); } + if ( nodes[n2].z() < zmin ) { zmin = nodes[n2].z(); } + if ( nodes[n2].z() > zmax ) { zmax = nodes[n2].z(); } + + if ( nodes[n3].x() < xmin ) { xmin = nodes[n3].x(); } + if ( nodes[n3].x() > xmax ) { xmax = nodes[n3].x(); } + if ( nodes[n3].y() < ymin ) { ymin = nodes[n3].y(); } + if ( nodes[n3].y() > ymax ) { ymax = nodes[n3].y(); } + if ( nodes[n3].z() < zmin ) { zmin = nodes[n3].z(); } + if ( nodes[n3].z() > zmax ) { zmax = nodes[n3].z(); } + + p = Point3D( (xmin + xmax) / 2.0, + (ymin + ymax) / 2.0, + (zmin + zmax) / 2.0 ); // calc bounding radius - radius = calc_dist(nodes[n1][0] - x, nodes[n1][1] - y, - nodes[n1][2] - z); + radius = p.distance3D(nodes[n1]); - dist = calc_dist(nodes[n2][0] - x, nodes[n2][1] - y, nodes[n2][2] - z); + dist = p.distance3D(nodes[n2]); if ( dist > radius ) { radius = dist; } - dist = calc_dist(nodes[n3][0] - x, nodes[n3][1] - y, nodes[n3][2] - z); + dist = p.distance3D(nodes[n3]); if ( dist > radius ) { radius = dist; } // output data - fprintf(out, "bs %.2f %.2f %.2f %.2f\n", x, y, z, radius); + fprintf(out, "bs %.2f %.2f %.2f %.2f\n", p.x(), p.y(), p.z(), radius); fprintf(out, "f %d %d %d\n", n1, n2, n3); } } @@ -240,7 +263,8 @@ void dump_faces( void ) { // dump list void dump_list(int *list, int list_ptr) { - double x, y, z, xmax, xmin, ymax, ymin, zmax, zmin, dist, radius; + Point3D p; + double xmax, xmin, ymax, ymin, zmax, zmin, dist, radius; int i, j, len, n; if ( list_ptr < 3 ) { @@ -271,41 +295,40 @@ void dump_list(int *list, int list_ptr) { // calc center of face n = list[i]; - xmin = xmax = nodes[n][0]; - ymin = ymax = nodes[n][1]; - zmin = zmax = nodes[n][2]; - // printf("%.2f %.2f %.2f\n", nodes[n][0], nodes[n][1], nodes[n][2]); + xmin = xmax = nodes[n].x(); + ymin = ymax = nodes[n].y(); + zmin = zmax = nodes[n].z(); + // printf("%.2f %.2f %.2f\n", nodes[n].x(), nodes[n].y(), nodes[n].z()); for ( j = i + 1; j < i + len; j++ ) { // printf("j = %d\n", j); n = list[j]; - if ( nodes[n][0] < xmin ) { xmin = nodes[n][0]; } - if ( nodes[n][0] > xmax ) { xmax = nodes[n][0]; } - if ( nodes[n][1] < ymin ) { ymin = nodes[n][1]; } - if ( nodes[n][1] > ymax ) { ymax = nodes[n][1]; } - if ( nodes[n][2] < zmin ) { zmin = nodes[n][2]; } - if ( nodes[n][2] > zmax ) { zmax = nodes[n][2]; } - // printf("%.2f %.2f %.2f\n", nodes[n][0], nodes[n][1], nodes[n][2]); - } - x = (xmin + xmax) / 2.0; - y = (ymin + ymax) / 2.0; - z = (zmin + zmax) / 2.0; - // printf("center = %.2f %.2f %.2f\n", x, y, z); + if ( nodes[n].x() < xmin ) { xmin = nodes[n].x(); } + if ( nodes[n].x() > xmax ) { xmax = nodes[n].x(); } + if ( nodes[n].y() < ymin ) { ymin = nodes[n].y(); } + if ( nodes[n].y() > ymax ) { ymax = nodes[n].y(); } + if ( nodes[n].z() < zmin ) { zmin = nodes[n].z(); } + if ( nodes[n].z() > zmax ) { zmax = nodes[n].z(); } + // printf("%.2f %.2f %.2f\n", nodes[n].x(), nodes[n].y(), nodes[n].z()); + } + p = Point3D( (xmin + xmax) / 2.0, + (ymin + ymax) / 2.0, + (zmin + zmax) / 2.0 ); + // printf("center = %.2f %.2f %.2f\n", p.x(), p.y(), p.z()); // calc bounding radius n = list[i]; - radius = calc_dist(nodes[n][0] - x, nodes[n][1] - y, nodes[n][2] - z); + radius = p.distance3D(nodes[n]); for ( j = i + 1; j < i + len; j++ ) { n = list[j]; - dist = calc_dist(nodes[n][0] - x, nodes[n][1] - y, - nodes[n][2] - z); + dist = p.distance3D(nodes[n]); if ( dist > radius ) { radius = dist; } } // printf("radius = %.2f\n", radius); // dump bounding sphere and header - fprintf(out, "bs %.2f %.2f %.2f %.2f\n", x, y, z, radius); + fprintf(out, "bs %.2f %.2f %.2f %.2f\n", p.x(), p.y(), p.z(), radius); fprintf(out, "t %d %d %d\n", list[i], list[i+1], list[i+2]); // printf("t %d %d %d\n", list[i], list[i+1], list[i+2]); i += 3; @@ -335,12 +358,12 @@ double check_cur_face(int n1, int n2, int n3) { // check for the proper rotation by calculating an approximate // normal and seeing if it is close to the precalculated normal - v1[0] = nodes[n2][0] - nodes[n1][0]; - v1[1] = nodes[n2][1] - nodes[n1][1]; - v1[2] = nodes[n2][2] - nodes[n1][2]; - v2[0] = nodes[n3][0] - nodes[n1][0]; - v2[1] = nodes[n3][1] - nodes[n1][1]; - v2[2] = nodes[n3][2] - nodes[n1][2]; + v1[0] = nodes[n2].x() - nodes[n1].x(); + v1[1] = nodes[n2].y() - nodes[n1].y(); + v1[2] = nodes[n2].z() - nodes[n1].z(); + v2[0] = nodes[n3].x() - nodes[n1].x(); + v2[1] = nodes[n3].y() - nodes[n1].y(); + v2[2] = nodes[n3].z() - nodes[n1].z(); MAT3cross_product(approx_normal, v1, v2); MAT3_NORMALIZE_VEC(approx_normal,temp); @@ -362,6 +385,7 @@ double check_cur_face(int n1, int n2, int n3) { // Load a .obj file void obj_fix(char *infile, char *outfile) { + Point3D node, normal; char line[256]; double dot_prod; int first, n1, n2, n3, n4; @@ -378,13 +402,20 @@ void obj_fix(char *infile, char *outfile) { exit(-1); } + // push dummy records onto the lists since we start counting with "1" + node = Point3D(0.0, 0.0, 0.0); + nodes.push_back(node); + + normal = Point3D(0.0, 0.0, 0.0); + normals.push_back(normal); + + // initialize other lists list_init(&ccw_list_ptr); list_init(&cw_list_ptr); // I start counting at one because that is how the triangle // program refers to nodes and normals first = 1; - ncount = 1; vncount = 1; fcount = 1; @@ -399,52 +430,37 @@ void obj_fix(char *infile, char *outfile) { // fprintf(out, "%s", line); } else if ( strncmp(line, "v ", 2) == 0 ) { // save vertex to memory and output to file - if ( ncount < MAXNODES ) { - // printf("vertex = %s", line); - sscanf(line, "v %lf %lf %lf\n", &x, &y, &z); - nodes[ncount][0] = x; - nodes[ncount][1] = y; - nodes[ncount][2] = z; + // printf("vertex = %s", line); + sscanf(line, "v %lf %lf %lf\n", &x, &y, &z); + if ( nodes.size() == 1 ) { // first time through set min's and max'es - if ( ncount == 1 ) { - xmin = x; - xmax = x; - ymin = y; - ymax = y; - zmin = z; - zmax = z; - } - - // keep track of min/max vertex values + xmin = x; + xmax = x; + ymin = y; + ymax = y; + zmin = z; + zmax = z; + } else { + // update min/max vertex values if ( x < xmin ) xmin = x; if ( x > xmax ) xmax = x; if ( y < ymin ) ymin = y; if ( y > ymax ) ymax = y; if ( z < zmin ) zmin = z; if ( z > zmax ) zmax = z; + } - // fprintf(out, "v %.2f %.2f %.2f\n", - // nodes[ncount][0], nodes[ncount][1], nodes[ncount][2]); - ncount++; - } else { - printf("Read too many nodes ... dying :-(\n"); - exit(-1); - } + node = Point3D(x, y, z); + nodes.push_back(node); + // fprintf(out, "v %.2f %.2f %.2f\n", + // node.x(), node.y(), node.z()); } else if ( strncmp(line, "vn ", 3) == 0 ) { // save vertex normals to memory and output to file - if ( vncount < MAXNODES ) { - // printf("vertex normal = %s", line); - sscanf(line, "vn %lf %lf %lf\n", - &normals[vncount][0], &normals[vncount][1], - &normals[vncount][2]); - // fprintf(out, "vn %.4f %.4f %.4f\n", normals[vncount][0], - // normals[vncount][1], normals[vncount][2]); - vncount++; - } else { - printf("Read too many vertex normals ... dying :-(\n"); - exit(-1); - } + // printf("vertex normal = %s", line); + sscanf(line, "vn %lf %lf %lf\n", &x, &y, &z); + normal = Point3D(x, y, z); + normals.push_back(normal); } else if ( line[0] == 't' ) { // starting a new triangle strip @@ -539,9 +555,9 @@ void obj_fix(char *infile, char *outfile) { } // reference point is the "center" - refx = (xmin + xmax) / 2.0; - refy = (ymin + ymax) / 2.0; - refz = (zmin + zmax) / 2.0; + ref = Point3D( (xmin + xmax) / 2.0, + (ymin + ymax) / 2.0, + (zmin + zmax) / 2.0 ); // convert the cw_list to ccw add append to ccw_list fix_cw_list(cw_list, cw_list_ptr); @@ -561,6 +577,9 @@ void obj_fix(char *infile, char *outfile) { // $Log$ +// Revision 1.2 1998/10/21 14:55:55 curt +// Converted to Point3D class. +// // Revision 1.1 1998/06/08 17:11:46 curt // Renamed *.[ch] to *.[ch]xx // -- 2.39.2