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- /* write.c - dump the internal database to a TTDDD file
- * - written by Glenn M. Lewis - 7/19/91
- */
-
- static char rcs_id[] = "$Id: write.c,v 1.4 1991/09/05 17:51:13 glewis Exp glewis $";
-
- #include <stdio.h>
- #include <ctype.h>
- #include "ttdddlib.h"
-
- static void process_DESC();
- static void process_EXTR();
- static void process_INFO();
- static void process_OBJ();
-
- /* Two-space tabs */
- #define TABSTOP " "
-
- static FILE *out;
- static char tab[133], strin[133];
- static int num_OBJ, num_DESC, num_TOBJ;
- static int cur_level, cur_objnum;
- static int prntline;
-
- static struct save_hier {
- int objnum;
- struct save_hier *next;
- } *root = 0;
- typedef struct save_hier HIER;
-
- /* Here are a few necessary utilities */
-
- static void indent()
- {
- strcat(tab, TABSTOP);
- }
-
- static void outdent()
- {
- register int i = strlen(tab) - strlen(TABSTOP);
- if (i<0) {
- fprintf(stderr, "Whoa, Glenn! You blew it!\n");
- tab[0] = '\0';
- return;
- }
- tab[i] = '\0';
- }
-
- static void send_XYZ(f) /* Print a common string */
- XYZ_st *f;
- {
- /* I noticed that with a Ultrix C compiler, these in-line function calls were
- * not executed in the order specified. Since I want this code to be portable,
- * and since some C compilers are broken, I seperated the following lines.
- * This goes for *all* in-line function calls in this source code.
- */
- fprintf(out, " X=%g", f->val[0]);
- fprintf(out, " Y=%g", f->val[1]);
- fprintf(out, " Z=%g\n", f->val[2]);
- }
-
- static void send_RGB(rgb) /* Print a common string */
- RGB_st *rgb;
- {
- fprintf(out, " R=%u", rgb->val[0]);
- fprintf(out, " G=%u", rgb->val[1]);
- fprintf(out, " B=%u\n", rgb->val[2]);
- }
-
- /********************/
- /* The MAIN section */
- /********************/
-
- int write_TTDDD(world, file)
- WORLD *world;
- FILE *file;
- {
- register OBJECT *o;
-
- if (!(out=file)) return(0); /* File not open */
-
- tab[0] = '\0';
- num_OBJ = num_DESC = num_TOBJ = 0;
-
- fputs("% TTDDD library - Written by Glenn M. Lewis - 7/19/91\n\n", out);
- if (world->info) process_INFO(world->info);
- for (o=world->object; o; o=o->next)
- process_OBJ(o);
- return(1);
- }
-
- static void process_INFO(info)
- INFO *info;
- {
- register int i;
-
- fprintf(out, "%sINFO Begin\n", tab);
- indent();
- for (i=0; i<8; i++)
- if (info->brsh[i][0])
- fprintf(out, "%sBRSH[%d]=\"%s\"\n", tab, i, info->brsh[i]);
-
- for (i=0; i<8; i++)
- if (info->stnc[i][0])
- fprintf(out, "%sSTNC[%d]=\"%s\"\n", tab, i, info->stnc[i]);
-
- for (i=0; i<8; i++)
- if (info->txtr[i][0])
- fprintf(out, "%sTXTR[%d]=\"%s\"\n", tab, i, info->txtr[i]);
-
- if (info->obsv) {
- fprintf(out, "%sOBSV Camera", tab); send_XYZ(&info->obsv->came);
- fprintf(out, "%sOBSV Rotate", tab); send_XYZ(&info->obsv->rota);
- fprintf(out, "%sOBSV Focal %g\n", tab, info->obsv->foca);
- }
-
- if (info->otrk[0]) fprintf(out, "%sOTRK \"%s\"\n", tab, info->otrk);
-
- if (info->ostr) {
- if (info->ostr->path[0])
- fprintf(out, "%sOSTR Path \"%s\"\n", tab, info->ostr->path);
- fprintf(out, "%sOSTR Translate", tab); send_XYZ(&info->ostr->tran);
- fprintf(out, "%sOSTR Rotate ", tab); send_XYZ(&info->ostr->rota);
- fprintf(out, "%sOSTR Scale ", tab); send_XYZ(&info->ostr->scal);
- i = info->ostr->info;
- strin[0] = '\0';
- if (i&(1<<0)) strcat(strin, " ABS_TRA");
- if (i&(1<<1)) strcat(strin, " ABS_ROT");
- if (i&(1<<2)) strcat(strin, " ABS_SCL");
- if (i&(1<<4)) strcat(strin, " LOC_TRA");
- if (i&(1<<5)) strcat(strin, " LOC_ROT");
- if (i&(1<<6)) strcat(strin, " LOC_SCL");
- if (i&(1<<8)) strcat(strin, " X_ALIGN");
- if (i&(1<<9)) strcat(strin, " Y_ALIGN");
- if (i&(1<<10)) strcat(strin, " Z_ALIGN");
- if (i&(1<<12)) strcat(strin, " FOLLOW_ME");
- fprintf(out, "%sOSTR Info%s\n", tab, strin);
- }
-
- if (info->fade) {
- fprintf(out, "%sFADE FadeAt %g\n", tab, info->fade->at);
- fprintf(out, "%sFADE FadeBy %g\n", tab, info->fade->by);
- fprintf(out, "%sFADE FadeTo", tab); send_RGB(&info->fade->to);
- }
-
- if (info->skyc) {
- fprintf(out, "%sSKYC Horizon", tab); send_RGB(&info->skyc->hori);
- fprintf(out, "%sSKYC Zenith ", tab); send_RGB(&info->skyc->zeni);
- }
-
- if (info->ambi)
- { fprintf(out, "%sAMBI", tab); send_RGB(info->ambi); }
-
- if (info->glb0)
- for (i=0; i<8; i++)
- fprintf(out, "%sGLB0[%d]=%u\n", tab, i, info->glb0[i]);
-
- outdent();
- fprintf(out, "%sEnd INFO\n", tab);
- }
-
- static void process_OBJ(obj)
- register OBJECT *obj;
- {
- register HIER *p;
- num_OBJ++;
- fprintf(out, "%sOBJ Begin \"Hierarchy %d\"\n", tab, num_OBJ);
- num_DESC = num_TOBJ = 0; /* Reset counters */
- cur_level = 0;
- cur_objnum = 1;
- prntline = 1;
-
- if (obj->extr) process_EXTR(obj->extr);
- else process_DESC(obj);
-
- while (root) { /* This should happen at most once. */
- p = root->next;
- free((char *)root); /* Delete this from list */
- root = p;
- outdent();
- }
-
- fprintf(out, "%sEnd OBJ \"Hierarchy %d\"\n", tab, num_OBJ);
- }
-
- static int process_TOBJ()
- {
- register HIER *p;
- if (num_DESC-num_TOBJ < cur_level) { /* Pop old level off HIER */
- cur_level--;
- cur_objnum = root->objnum;
- p = root->next;
- free((char *)root); /* Delete from list */
- root = p;
- outdent(); /* Pretty file formatting */
- }
- fprintf(out, "%sTOBJ \"Object %d at level %d of hierarchy %d\"\n",
- tab, cur_objnum-1, num_DESC-num_TOBJ, num_OBJ);
- num_TOBJ++;
- prntline = 1;
- }
-
- static void process_EXTR(extr)
- EXTR *extr;
- {
- register int i;
-
- if (!prntline) fprintf(out, "\n"); /* Print one anyway */
- indent();
- num_DESC++;
-
- fprintf(out, "%sEXTR Begin \"Object %d at level %d of hierarchy %d\"\n",
- tab, cur_objnum, num_DESC-num_TOBJ, num_OBJ);
- indent();
- fprintf(out, "%sMTRX Translate", tab); send_XYZ(&extr->mtrx.tran);
- fprintf(out, "%sMTRX Scale ", tab); send_XYZ(&extr->mtrx.scal);
- fprintf(out, "%sMTRX Rotate", tab);
- for (i=0; i<3; i++) fprintf(out, " %g", extr->mtrx.rota1.val[i]);
- for (i=0; i<3; i++) fprintf(out, " %g", extr->mtrx.rota2.val[i]);
- for (i=0; i<3; i++) fprintf(out, " %g", extr->mtrx.rota3.val[i]);
- fprintf(out, "\n");
-
- fprintf(out, "%sLOAD \"%s\"\n", tab, extr->filename);
- outdent();
- fprintf(out, "%sEnd EXTR \"Object %d at level %d of hierarchy %d\"\n",
- tab, cur_objnum, num_DESC-num_TOBJ, num_OBJ);
-
- num_TOBJ++;
- cur_objnum++;
- outdent();
- prntline = 1;
- }
-
- static void process_DESC(object)
- OBJECT *object;
- {
- register int i;
- register HIER *p;
- register OBJECT *obj;
- register DESC *desc = object->desc;
-
- num_DESC++;
- if (num_DESC-num_TOBJ > cur_level) { /* Push new level in HIER */
- if (!prntline) fprintf(out, "\n"); /* Print one anyway */
- if (!(p = (HIER*)malloc(sizeof(HIER)))) {
- fprintf(stderr, "ERROR! Out of memory.\n*** ABORT ***\n");
- exit(20);
- }
- p->next = root; /* Insert into list */
- root = p;
- root->objnum = cur_objnum;
- cur_level++;
- cur_objnum = 1;
- indent(); /* Pretty file formatting */
- }
-
- fprintf(out, "%sDESC Begin \"Object %d at level %d of hierarchy %d\"\n",
- tab, cur_objnum, num_DESC-num_TOBJ, num_OBJ);
- indent();
-
- if (desc->name[0]) fprintf(out, "%sNAME \"%s\"\n", tab, desc->name);
-
- if (desc->shap) {
- fprintf(out, "%sSHAP Shape = %u\n", tab, desc->shap[0]);
- fprintf(out, "%sSHAP Lamp = %u\n", tab, desc->shap[1]);
- }
-
- if (desc->posi)
- { fprintf(out, "%sPOSI", tab); send_XYZ(desc->posi); }
-
- if (desc->axis) {
- fprintf(out, "%sAXIS XAxis", tab); send_XYZ(&desc->axis->xaxi);
- fprintf(out, "%sAXIS YAxis", tab); send_XYZ(&desc->axis->yaxi);
- fprintf(out, "%sAXIS ZAxis", tab); send_XYZ(&desc->axis->zaxi);
- }
-
- if (desc->size)
- { fprintf(out, "%sSIZE", tab); send_XYZ(desc->size); }
-
- if (desc->pcount) {
- fprintf(out, "%sPNTS PCount %u\n", tab, desc->pcount);
- for (i=0; i<desc->pcount; i++) {
- fprintf(out, "%sPNTS Point[%d]", tab, i);
- send_XYZ(&desc->pnts[i]);
- }
- }
-
- if (desc->ecount) {
- fprintf(out, "%sEDGE ECount %u\n", tab, desc->ecount);
- for (i=0; i<desc->ecount; i++) {
- fprintf(out, "%sEDGE Edge[%d] %u %u\n", tab, i,
- desc->edge[i<<1], desc->edge[(i<<1)+1]);
- }
- }
-
- if (desc->fcount) {
- fprintf(out, "%sFACE TCount %u\n", tab, desc->fcount);
- for (i=0; i<desc->fcount; i++) {
- fprintf(out, "%sFACE Connect[%u] %u %u %u\n", tab, i,
- desc->face[i*3], desc->face[i*3+1], desc->face[i*3+2]);
- }
- }
-
- if (desc->colr) { fprintf(out, "%sCOLR", tab); send_RGB(desc->colr); }
-
- if (desc->refl) { fprintf(out, "%sREFL", tab); send_RGB(desc->refl); }
-
- if (desc->tran) { fprintf(out, "%sTRAN", tab); send_RGB(desc->tran); }
-
- if (desc->spc1) { fprintf(out, "%sSPC1", tab); send_RGB(desc->spc1); }
-
- if (desc->fcount) {
- fprintf(out, "%sCLST Count %u\n", tab, i);
- for (i=0; i<desc->fcount; i++) {
- if (desc->colr) {
- if (desc->clst[i*3 ]==desc->colr->val[0] &&
- desc->clst[i*3+1]==desc->colr->val[1] &&
- desc->clst[i*3+2]==desc->colr->val[2]) continue; /* Skip */
- } else {
- if (desc->clst[i*3 ]==240 &&
- desc->clst[i*3+1]==240 &&
- desc->clst[i*3+2]==240) continue; /* Skip this one */
- }
- fprintf(out, "%sCLST Color[%u]", tab, i);
- send_RGB((RGB_st*)&desc->clst[i*3]);
- }
- fprintf(out, "%sRLST Count %u\n", tab, i);
- for (i=0; i<desc->fcount; i++) {
- if (desc->refl) {
- if (desc->rlst[i*3 ]==desc->refl->val[0] &&
- desc->rlst[i*3+1]==desc->refl->val[1] &&
- desc->rlst[i*3+2]==desc->refl->val[2]) continue; /* Skip */
- } else {
- if (desc->rlst[i*3 ]==0 &&
- desc->rlst[i*3+1]==0 &&
- desc->rlst[i*3+2]==0) continue; /* Skip this one */
- }
- fprintf(out, "%sRLST Color[%u]", tab, i);
- send_RGB((RGB_st*)&desc->rlst[i*3]);
- }
- fprintf(out, "%sTLST Count %u\n", tab, i);
- for (i=0; i<desc->fcount; i++) {
- if (desc->tran) {
- if (desc->tlst[i*3 ]==desc->tran->val[0] &&
- desc->tlst[i*3+1]==desc->tran->val[1] &&
- desc->tlst[i*3+2]==desc->tran->val[2]) continue; /* Skip */
- } else {
- if (desc->tlst[i*3 ]==0 &&
- desc->tlst[i*3+1]==0 &&
- desc->tlst[i*3+2]==0) continue; /* Skip this one */
- }
- fprintf(out, "%sTLST Color[%u]", tab, i);
- send_RGB((RGB_st*)&desc->tlst[i*3]);
- }
- }
-
- if (desc->tpar) {
- for (i=0; i<16; i++)
- fprintf(out, "%sTPAR[%u]=%g\n", tab, i, desc->tpar[i]);
- }
-
- if (desc->surf) {
- for (i=0; i<5; i++)
- fprintf(out, "%sSURF[%u]=%d\n", tab, i, desc->surf[i]);
- }
-
- if (desc->mttr) {
- fprintf(out, "%sMTTR Type =%u\n", tab, desc->mttr->type);
- fprintf(out, "%sMTTR Index=%g\n", tab, (double)desc->mttr->indx);
- }
-
- if (desc->spec) {
- fprintf(out, "%sSPEC Spec=%u\n", tab, desc->spec[0]);
- fprintf(out, "%sSPEC Hard=%u\n", tab, desc->spec[1]);
- }
-
- if (desc->prp0) {
- for (i=0; i<6; i++)
- fprintf(out, "%sPRP0[%u]=%u\n", tab, i, desc->prp0[i]);
- }
-
- if (desc->prp1) {
- for (i=0; i<8; i++)
- fprintf(out, "%sPRP1[%u]=%u\n", tab, i, desc->prp1[i]);
- }
-
- if (desc->ints)
- fprintf(out, "%sINTS=%g\n", tab, desc->ints);
-
- if (desc->int1) { fprintf(out, "%sINT1", tab); send_RGB(desc->int1); }
-
- if (desc->stry) {
- fprintf(out, "%sSTRY Path \"%s\"\n", tab, desc->stry->path);
- fprintf(out, "%sSTRY Translate", tab); send_XYZ(&desc->stry->tran);
- fprintf(out, "%sSTRY Rotate ", tab); send_XYZ(&desc->stry->rota);
- fprintf(out, "%sSTRY Scale ", tab); send_XYZ(&desc->stry->scal);
- i = desc->stry->info;
- strin[0] = '\0';
- if (i&(1<<0)) strcat(strin, " ABS_TRA");
- if (i&(1<<1)) strcat(strin, " ABS_ROT");
- if (i&(1<<2)) strcat(strin, " ABS_SCL");
- if (i&(1<<4)) strcat(strin, " LOC_TRA");
- if (i&(1<<5)) strcat(strin, " LOC_ROT");
- if (i&(1<<6)) strcat(strin, " LOC_SCL");
- if (i&(1<<8)) strcat(strin, " X_ALIGN");
- if (i&(1<<9)) strcat(strin, " Y_ALIGN");
- if (i&(1<<10)) strcat(strin, " Z_ALIGN");
- if (i&(1<<12)) strcat(strin, " FOLLOW_ME");
- fprintf(out, "%sSTRY Info%s\n", tab, strin);
- }
-
- outdent();
- fprintf(out, "%sEnd DESC \"Object %d at level %d of hierarchy %d\"\n",
- tab, cur_objnum, num_DESC-num_TOBJ, num_OBJ);
-
- for (obj=object->child; obj; obj=obj->next) {
- if (obj->extr) process_EXTR(obj->extr);
- else process_DESC(obj);
- }
-
- cur_objnum++;
- prntline = 0;
- process_TOBJ();
- }
-
-