Assembling triangles and building a new .node file with the proper shared
vertices now works. Now we just have to use the shared normals and we'll be all set.
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curt
parent
9557133729
commit
8e59b3debd
3 changed files with 67 additions and 20 deletions
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@ -372,25 +372,31 @@ void build_node_list(char *basename, char *basepath) {
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/* dump in WaveFront .obj format */
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void dump_nodes(char *basename, char *basepath) {
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void dump_nodes(char *basename) {
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char file[256];
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FILE *fp;
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int i;
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int i, len;
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/* generate output file name */
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strcpy(file, basename);
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len = strlen(file);
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file[len-2] = '\0';
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strcat(file, ".node");
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/* dump vertices */
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printf(" writing vertices in .node format\n");
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/* printf("Creating node file: %s\n", file);
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fd = fopen(file, "w"); */
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printf("Creating node file: %s\n", file);
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printf(" writing vertices in .node format.\n");
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fp = fopen(file, "w");
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printf("%d 2 1 0\n", nodecount);
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fprintf(fp, "%d 2 1 0\n", nodecount);
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/* now write out actual node data */
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for ( i = 0; i < nodecount; i++ ) {
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printf("%d %.2f %.2f %.2f 0\n", i + 1,
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fprintf(fp, "%d %.2f %.2f %.2f 0\n", i + 1,
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nodes[i][0], nodes[i][1], nodes[i][2]);
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}
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/* fclose(fd); */
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fclose(fp);
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}
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@ -441,14 +447,19 @@ int main(int argc, char **argv) {
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build_node_list(basename, basepath);
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/* dump in WaveFront .obj format */
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dump_nodes(basename, basepath);
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dump_nodes(basename);
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return(0);
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}
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/* $Log$
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/* Revision 1.1 1998/01/15 02:45:26 curt
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/* Initial revision.
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/* Revision 1.2 1998/01/15 21:33:36 curt
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/* Assembling triangles and building a new .node file with the proper shared
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/* vertices now works. Now we just have to use the shared normals and we'll
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/* be all set.
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/*
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* Revision 1.1 1998/01/15 02:45:26 curt
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* Initial revision.
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*
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*/
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@ -6,13 +6,16 @@
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1/14/98 - Don't create shared corners or edges if one already exists.
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1/14/98 - Reassemble triangles using only body, shared corners, and
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shared edges.
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--------------------------------------------------------------------------
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| Todo
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--------------------------------------------------------------------------
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1/14/98 - Reassemble triangles using only body, shared corners, and
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shared edges.
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1/15/98 - Retro-fit tri2obj to use shared normals rather than regenerating
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normals for shared vertices.
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1/12/98 - Try reversing cw-wound strips rather than calling glFrontFace()
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in the display list.
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@ -32,9 +32,10 @@ $do_demfit = 0;
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$do_triangle_1 = 0;
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$do_fixnode = 0;
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$do_splittris = 0;
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$do_assemtris = 1;
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$do_assemtris = 0;
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$do_triangle_2 = 0;
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$do_tri2obj = 0;
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$do_tri2obj = 1;
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$do_strips = 0;
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$do_fixobj = 0;
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@ -202,12 +203,39 @@ if ( $do_assemtris ) {
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}
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# 4.3 Retriangulate fixed up files (without -q option)
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# 4.3 Retriangulate reassembled files (without -q option) so no new
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# nodes are generated.
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if ( $do_triangle_2 ) {
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@FILES = `ls $subdir`;
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foreach $file ( @FILES ) {
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print $file;
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chop($file);
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if ( ($file =~ m/\.node$/) && ($file !~ m/\.\d\.node$/) ) {
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$command = "./Triangle/triangle $subdir/$file";
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print "Running '$command'\n";
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open(OUT, "$command |");
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while ( <OUT> ) {
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print $_;
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}
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close(OUT);
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# remove input file.node
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unlink("$subdir/$file");
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}
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}
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}
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# 5. tri2obj file (.1.node) (.1.ele)
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#
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# Take the file.1.node and file.1.ele and produce file.1.obj
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#
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# Extracts normals out of the shared edge/vertex files, and uses
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# the precalcuated normals for these nodes instead of calculating
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# new ones. By sharing normals as well as vertices, not only are
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# the gaps between tiles eliminated, but the colors and lighting
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# transition smoothly across tile boundaries.
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if ( $do_tri2obj ) {
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@FILES = `ls $subdir`;
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@ -224,9 +252,9 @@ if ( $do_tri2obj ) {
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}
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close(OUT);
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unlink("$subdir/$file.node");
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unlink("$subdir/$file.node.orig");
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unlink("$subdir/$file.ele");
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# unlink("$subdir/$file.node");
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# unlink("$subdir/$file.node.orig");
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# unlink("$subdir/$file.ele");
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}
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}
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}
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@ -299,6 +327,11 @@ if ( $do_fixobj ) {
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#---------------------------------------------------------------------------
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# $Log$
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# Revision 1.6 1998/01/15 21:33:33 curt
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# Assembling triangles and building a new .node file with the proper shared
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# vertices now works. Now we just have to use the shared normals and we'll
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# be all set.
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#
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# Revision 1.5 1998/01/15 02:50:08 curt
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# Tweaked to add next stage.
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#
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