3 * $Id: elite.c,v 1.1 2003/02/24 01:13:12 mdw Exp $
7 * (c) 2003 Mark Wooding
10 /*----- Licensing notice --------------------------------------------------*
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software Foundation,
24 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 /*----- Revision history --------------------------------------------------*
30 * Revision 1.1 2003/02/24 01:13:12 mdw
35 /*----- Header files ------------------------------------------------------*/
44 /*----- Data structures ---------------------------------------------------*/
46 typedef struct world {
50 typedef struct worldinfo {
51 unsigned x, y, gov, eco, tech, pop, prod, rad;
54 /*----- The world type ----------------------------------------------------*/
56 static void world_fir(Tcl_Obj *o)
58 Tcl_Free(o->internalRep.otherValuePtr);
61 static int xtoi(unsigned x)
63 if (x >= '0' && x <= '9')
65 else if (x >= 'a' && x <= 'f')
66 return (x - 'a' + 10);
67 else if (x >= 'A' && x <= 'F')
68 return (x - 'A' + 10);
73 static Tcl_ObjType world_type;
75 static int world_sfa(Tcl_Interp *ti, Tcl_Obj *o)
80 char *p = Tcl_GetStringFromObj(o, &l);
83 for (i = 0; i < 12; i += 2) {
84 if (!isxdigit((unsigned char)p[i]) ||
85 !isxdigit((unsigned char)p[i + 1]))
87 ww.x[i >> 1] = (xtoi(p[i]) << 4) | (xtoi(p[i + 1]));
89 w = (world *)Tcl_Alloc(sizeof(*w));
91 o->internalRep.otherValuePtr = w;
92 o->typePtr = &world_type;
97 Tcl_SetResult(ti, "bad world seed string", TCL_STATIC);
101 static void world_us(Tcl_Obj *o)
104 world *w = o->internalRep.otherValuePtr;
111 for (i = 0; i < 6; i++, p += 2)
112 sprintf(p, "%02x", w->x[i]);
115 static void world_dir(Tcl_Obj *o, Tcl_Obj *oo)
117 world *w = (world *)Tcl_Alloc(sizeof(*w));
118 memcpy(w, o->internalRep.otherValuePtr, sizeof(world));
119 oo->internalRep.otherValuePtr = w;
120 oo->typePtr = &world_type;
121 Tcl_InvalidateStringRep(oo);
124 static /*const*/ Tcl_ObjType world_type = {
125 "elite-world", world_fir, world_dir, world_us, world_sfa
128 static world *world_get(Tcl_Interp *ti, Tcl_Obj *o)
130 if (Tcl_ConvertToType(ti, o, &world_type) != TCL_OK)
132 return (o->internalRep.otherValuePtr);
135 static Tcl_Obj *world_new(const world *w)
138 Tcl_Obj *o = Tcl_NewObj();
139 ww = (world *)Tcl_Alloc(sizeof(*ww));
141 o->internalRep.otherValuePtr = ww;
142 o->typePtr = &world_type;
143 Tcl_InvalidateStringRep(o);
147 /*----- Elite-specific hacking --------------------------------------------*
149 * Taken from `Elite: The New Kind' by Christian Pinder.
152 static void waggle(world *w, world *ww)
156 /* --- What goes on --- *
158 * 16-bit add of all three words, shift up, and insert the new value at the
165 h += w->x[3] + (l >= 0x100);
166 l &= 0xff; h &= 0xff;
168 h += w->x[5] + (l >= 0x100);
169 l &= 0xff; h &= 0xff;
170 ww->x[0] = w->x[2]; ww->x[1] = w->x[3];
171 ww->x[2] = w->x[4]; ww->x[3] = w->x[5];
172 ww->x[4] = l; ww->x[5] = h;
175 /*----- Tcl commands ------------------------------------------------------*/
177 static int err(Tcl_Interp *ti, /*const*/ char *p)
179 Tcl_SetResult(ti, p, TCL_STATIC);
183 /* --- elite-nextworld SEED --- */
185 static int cmd_nextworld(ClientData cd, Tcl_Interp *ti,
186 int objc, Tcl_Obj *const *objv)
190 return (err(ti, "usage: elite-nextworld SEED"));
191 if ((w = world_get(ti, objv[1])) == 0)
197 Tcl_SetObjResult(ti, world_new(&ww));
201 /* --- elite-nextgalaxy SEED --- */
203 static int cmd_nextgalaxy(ClientData cd, Tcl_Interp *ti,
204 int objc, Tcl_Obj *const *objv)
210 return (err(ti, "usage: elite-nextgalaxy SEED"));
211 if ((w = world_get(ti, objv[1])) == 0)
213 for (i = 0; i < 6; i++)
214 ww.x[i] = ((w->x[i] << 1) | (w->x[i] >> 7)) & 0xff;
215 Tcl_SetObjResult(ti, world_new(&ww));
219 /* --- elite-worldinfo ARR SEED --- */
221 static void getworldinfo(worldinfo *wi, world *w)
225 wi->gov = (w->x[2] >> 3) & 0x07;
226 wi->eco = w->x[1] & 0x07;
229 wi->tech = ((wi->eco ^ 7) + (w->x[3] & 0x03) +
230 (wi->gov >> 1) + (wi->gov & 0x01) + 1);
231 wi->pop = wi->tech * 4 + wi->gov + wi->eco - 3;
232 wi->prod = ((wi->eco ^ 7) + 3) * (wi->gov + 4) * wi->pop * 8;
233 wi->rad = (((w->x[5] & 0x0f) + 11) << 8) + w->x[3];
236 static const char digrams[] =
237 "abouseitiletstonlonuthnoallexegezacebisouses"
238 "armaindirea?eratenberalavetiedorquanteisrion";
240 static const char *const desc[][5] = {
241 /* 0 */ { "fabled", "notable", "well known", "famous", "noted" },
242 /* 1 */ { "very ", "mildly ", "most ", "reasonably ", "" },
243 /* 2 */ { "ancient", "<20>", "great", "vast", "pink" },
244 /* 3 */ { "<29> <28> plantations", "mountains", "<27>",
245 "<19> forests", "oceans" },
246 /* 4 */ { "shyness", "silliness", "mating traditions",
247 "loathing of <5>", "love for <5>" },
248 /* 5 */ { "food blenders", "tourists", "poetry", "discos", "<13>" },
249 /* 6 */ { "talking tree", "crab", "bat", "lobst", "%R" },
250 /* 7 */ { "beset", "plagued", "ravaged", "cursed", "scourged" },
251 /* 8 */ { "<21> civil war", "<26> <23> <24>s",
252 "a <26> disease", "<21> earthquakes", "<21> solar activity" },
253 /* 9 */ { "its <2> <3>", "the %I <23> <24>",
254 "its inhabitants' <25> <4>", "<32>", "its <12> <13>" },
255 /* 10 */ { "juice", "brandy", "water", "brew", "gargle blasters" },
256 /* 11 */ { "%R", "%I <24>", "%I %R", "%I <26>", "<26> %R" },
257 /* 12 */ { "fabulous", "exotic", "hoopy", "unusual", "exciting" },
258 /* 13 */ { "cuisine", "night life", "casinos", "sit coms", " <32>" },
259 /* 14 */ { "%H", "The planet %H", "The world %H",
260 "This planet", "This world" },
261 /* 15 */ { "n unremarkable", " boring", " dull", " tedious", " revolting" },
262 /* 16 */ { "planet", "world", "place", "little planet", "dump" },
263 /* 17 */ { "wasp", "moth", "grub", "ant", "%R" },
264 /* 18 */ { "poet", "arts graduate", "yak", "snail", "slug" },
265 /* 19 */ { "tropical", "dense", "rain", "impenetrable", "exuberant" },
266 /* 20 */ { "funny", "weird", "unusual", "strange", "peculiar" },
267 /* 21 */ { "frequent", "occasional", "unpredictable", "dreadful", "deadly" },
268 /* 22 */ { "<1><0> for <9>", "<1><0> for <9> and <9>",
269 "<7> by <8>", "<1><0> for <9> but <7> by <8>","a<15> <16>" },
270 /* 23 */ { "<26>", "mountain", "edible", "tree", "spotted" },
271 /* 24 */ { "<30>", "<31>", "<6>oid", "<18>", "<17>" },
272 /* 25 */ { "ancient", "exceptional", "eccentric", "ingrained", "<20>" },
273 /* 26 */ { "killer", "deadly", "evil", "lethal", "vicious" },
274 /* 27 */ { "parking meters", "dust clouds", "ice bergs",
275 "rock formations", "volcanoes" },
276 /* 28 */ { "plant", "tulip", "banana", "corn", "%Rweed" },
277 /* 29 */ { "%R", "%I %R", "%I <26>", "inhabitant", "%I %R" },
278 /* 30 */ { "shrew", "beast", "bison", "snake", "wolf" },
279 /* 31 */ { "leopard", "cat", "monkey", "goat", "fish" },
280 /* 32 */ { "<11> <10>", "%I <30> <33>", "its <12> <31> <33>",
281 "<34> <35>", "<11> <10>" },
282 /* 33 */ { "meat", "cutlet", "steak", "burgers", "soup" },
283 /* 34 */ { "ice", "mud", "Zero-G", "vacuum", "%I ultra" },
284 /* 35 */ { "hockey", "cricket", "karate", "polo", "tennis" }
287 static int mangle(world *w)
291 x = (w->x[2] << 1) & 0xff;
299 a = (a + x + w->x[5]) & 0xff;
305 static void goatsoup(Tcl_Obj *d, const char *pn, world *w, const char *p)
308 size_t sz = strcspn(p, "<%");
313 Tcl_AppendToObj(d, (char *)p, sz);
320 i = strtoul(p + 1, (char **)&p, 10);
323 goatsoup(d, pn, w, desc[i][(j >= 0x33) + (j >= 0x66) +
324 (j >= 0x99) + (j >= 0xcc)]);
330 Tcl_AppendToObj(d, (char *)pn, -1);
334 Tcl_AppendToObj(d, (char *)pn,
335 (pn[sz] == 'i' || pn[sz] == 'e') ? sz : sz + 1);
336 Tcl_AppendToObj(d, "ian", 3);
339 n = (mangle(w) & 0x03) + 1;
342 unsigned i = mangle(w) & 0x3e;
344 if (digrams[i] != '?')
347 *buf = toupper(*buf);
348 Tcl_AppendToObj(d, buf, q - buf);
360 static int cmd_worldinfo(ClientData cd, Tcl_Interp *ti,
361 int objc, Tcl_Obj *const *objv)
372 /* --- Check arguments --- */
375 return (err(ti, "usage: elite-worldinfo ARR SEED"));
376 if ((w = world_get(ti, objv[2])) == 0)
378 arr = Tcl_GetString(objv[1]);
380 /* --- Get the basic information --- */
382 getworldinfo(&wi, w);
383 if (!Tcl_SetVar2Ex(ti, arr, "x", Tcl_NewIntObj(wi.x * 4),
384 TCL_LEAVE_ERR_MSG) ||
385 !Tcl_SetVar2Ex(ti, arr, "y", Tcl_NewIntObj(wi.y * 2),
386 TCL_LEAVE_ERR_MSG) ||
387 !Tcl_SetVar2Ex(ti, arr, "government", Tcl_NewIntObj(wi.gov),
388 TCL_LEAVE_ERR_MSG) ||
389 !Tcl_SetVar2Ex(ti, arr, "economy", Tcl_NewIntObj(wi.eco),
390 TCL_LEAVE_ERR_MSG) ||
391 !Tcl_SetVar2Ex(ti, arr, "techlevel", Tcl_NewIntObj(wi.tech),
392 TCL_LEAVE_ERR_MSG) ||
393 !Tcl_SetVar2Ex(ti, arr, "population", Tcl_NewIntObj(wi.pop),
394 TCL_LEAVE_ERR_MSG) ||
395 !Tcl_SetVar2Ex(ti, arr, "productivity", Tcl_NewIntObj(wi.prod),
396 TCL_LEAVE_ERR_MSG) ||
397 !Tcl_SetVar2Ex(ti, arr, "radius", Tcl_NewIntObj(wi.rad),
398 TCL_LEAVE_ERR_MSG) ||
399 !Tcl_SetVar2Ex(ti, arr, "seed", objv[2],
403 /* --- Work out the inhabitants --- */
405 if (!(w->x[4] & 0x80)) {
406 if (!Tcl_SetVar2(ti, arr, "inhabitants", "humans", TCL_LEAVE_ERR_MSG))
409 static const char *const id_a[] = { "large", "fierce", "small" };
410 static const char *const id_b[] = { "green", "red", "yellow", "blue",
411 "black", "harmless" };
412 static const char *const id_c[] = { "slimy", "bug-eyed", "horned",
413 "bony", "fat", "furry" };
414 static const char *const id_d[] = { "rodents", "frogs", "lizards",
415 "lobsters", "birds", "humanoids",
416 "felines", "insects" };
418 o = Tcl_NewListObj(0, 0);
419 j = (w->x[5] >> 2) & 0x07;
421 Tcl_ListObjAppendElement(ti, o, Tcl_NewStringObj(id_a[j], -1));
422 j = (w->x[5] >> 5) & 0x07;
424 Tcl_ListObjAppendElement(ti, o, Tcl_NewStringObj(id_b[j], -1));
425 j = (w->x[1] ^ w->x[3]) & 0x07;
427 Tcl_ListObjAppendElement(ti, o, Tcl_NewStringObj(id_c[j], -1));
429 Tcl_ListObjAppendElement(ti, o, Tcl_NewStringObj(id_d[j & 0x07], -1));
430 if (!Tcl_SetVar2Ex(ti, arr, "inhabitants", o, TCL_LEAVE_ERR_MSG))
434 /* --- Work out the planet name --- */
436 n = (w->x[0] & 0x40) ? 4 : 3;
444 if (digrams[j] != '?')
450 *buf = toupper(*buf);
451 if (!Tcl_SetVar2Ex(ti, arr, "name", Tcl_NewStringObj(buf, -1),
455 /* --- Finally work out the goat-soup description --- */
458 o = Tcl_NewStringObj(0, 0);
459 goatsoup(o, buf, &ww, "<14> is <22>.");
460 if (!Tcl_SetVar2Ex(ti, arr, "description", o, TCL_LEAVE_ERR_MSG))
465 /* --- elite-market ARR SEED [FLUC] --- */
467 static const struct item {
468 /*const*/ char *name;
474 { "food", 19, -2, 6, 0x01 },
475 { "textiles", 20, -1, 10, 0x03 },
476 { "radioactives", 65, -3, 2, 0x07 },
477 { "slaves", 40, -5, 226, 0x1f },
478 { "liquor-wines", 83, -5, 251, 0x0f },
479 { "luxuries", 196, 8, 54, 0x03 },
480 { "narcotics", 235, 29, 8, 0x78 },
481 { "computers", 154, 14, 56, 0x03 },
482 { "machinery", 117, 6, 40, 0x07 },
483 { "alloys", 78, 1, 17, 0x1f },
484 { "firearms", 124, 13, 29, 0x07 },
485 { "furs", 176, -9, 220, 0x3f },
486 { "minerals", 32, -1, 53, 0x03 },
487 { "gold", 97, -1, 66, 0x07 },
488 { "platinum", 171, -2, 55, 0x1f },
489 { "gem-stones", 45, -1, 250, 0x0f },
490 { "alien-items", 53, 15, 192, 0x07 },
494 static int cmd_market(ClientData cd, Tcl_Interp *ti,
495 int objc, Tcl_Obj *const *objv)
500 const struct item *i;
503 if (objc < 3 || objc > 5)
504 return (err(ti, "usage: elite-market ARR SEED [FLUC]"));
505 if ((w = world_get(ti, objv[2])) == 0)
507 arr = Tcl_GetString(objv[1]);
508 if (objc >= 4 && Tcl_GetIntFromObj(ti, objv[3], &fluc) != TCL_OK)
510 getworldinfo(&wi, w);
512 for (i = items; i->name; i++) {
515 pr = (i->base + (fluc & i->mask) + (wi.eco * i->var)) & 0xff;
516 qt = (i->qty + (fluc & i->mask) - (wi.eco * i->var)) & 0xff;
519 oo[0] = Tcl_NewIntObj(pr << 2);
520 oo[1] = Tcl_NewIntObj(qt & 0x3f);
521 if (!Tcl_SetVar2Ex(ti, arr, i->name, Tcl_NewListObj(2, oo),
528 /*----- Commander file decomposition --------------------------------------*/
530 static unsigned cksum(const unsigned char *p, size_t sz)
532 unsigned a = 0x49, c = 0;
545 /* --- The big translation table --- */
548 /*const*/ char *name;
550 int (*get)(Tcl_Interp *, /*const*/ char *,
551 const unsigned char *, const struct cmddata *);
552 int (*put)(Tcl_Interp *, /*const*/ char *,
553 unsigned char *, const struct cmddata *);
557 static int get_byte(Tcl_Interp *ti, /*const*/ char *arr,
558 const unsigned char *p, const struct cmddata *cd)
560 return (!Tcl_SetVar2Ex(ti, arr, cd->name,
561 Tcl_NewIntObj(*p - cd->x), TCL_LEAVE_ERR_MSG));
564 static int get_seed(Tcl_Interp *ti, /*const*/ char *arr,
565 const unsigned char *p, const struct cmddata *cd)
570 return (!Tcl_SetVar2Ex(ti, arr, cd->name,
571 world_new(&w), TCL_LEAVE_ERR_MSG));
574 static int get_word(Tcl_Interp *ti, /*const*/ char *arr,
575 const unsigned char *p, const struct cmddata *cd)
577 return (!Tcl_SetVar2Ex(ti, arr, cd->name,
578 Tcl_NewLongObj((p[0] & 0xff) << 24 |
579 (p[1] & 0xff) << 16 |
585 static int get_hword(Tcl_Interp *ti, /*const*/ char *arr,
586 const unsigned char *p, const struct cmddata *cd)
588 return (!Tcl_SetVar2Ex(ti, arr, cd->name,
589 Tcl_NewLongObj((p[0] & 0xff) << 0 |
594 static int get_bool(Tcl_Interp *ti, /*const*/ char *arr,
595 const unsigned char *p, const struct cmddata *cd)
597 return (!Tcl_SetVar2Ex(ti, arr, cd->name,
598 Tcl_NewBooleanObj(*p), TCL_LEAVE_ERR_MSG));
601 static int get_items(Tcl_Interp *ti, /*const*/ char *arr,
602 const unsigned char *p, const struct cmddata *cd)
605 const struct item *i;
607 for (i = items; i->name; i++) {
608 sprintf(buf, "%s-%s", cd->name, i->name);
609 if (!Tcl_SetVar2Ex(ti, arr, buf,
610 Tcl_NewIntObj(*p++), TCL_LEAVE_ERR_MSG))
616 static int put_byte(Tcl_Interp *ti, /*const*/ char *arr,
617 unsigned char *p, const struct cmddata *cd)
622 if ((o = Tcl_GetVar2Ex(ti, arr, cd->name, TCL_LEAVE_ERR_MSG)) == 0 ||
623 Tcl_GetIntFromObj(ti, o, &i) != TCL_OK)
629 static int put_word(Tcl_Interp *ti, /*const*/ char *arr,
630 unsigned char *p, const struct cmddata *cd)
635 if ((o = Tcl_GetVar2Ex(ti, arr, cd->name, TCL_LEAVE_ERR_MSG)) == 0 ||
636 Tcl_GetLongFromObj(ti, o, &l) != TCL_OK)
638 p[0] = (l >> 24) & 0xff;
639 p[1] = (l >> 16) & 0xff;
640 p[2] = (l >> 8) & 0xff;
641 p[3] = (l >> 0) & 0xff;
645 static int put_hword(Tcl_Interp *ti, /*const*/ char *arr,
646 unsigned char *p, const struct cmddata *cd)
651 if ((o = Tcl_GetVar2Ex(ti, arr, cd->name, TCL_LEAVE_ERR_MSG)) == 0 ||
652 Tcl_GetLongFromObj(ti, o, &l) != TCL_OK)
654 p[0] = (l >> 0) & 0xff;
655 p[1] = (l >> 8) & 0xff;
659 static int put_const(Tcl_Interp *ti, /*const*/ char *arr,
660 unsigned char *p, const struct cmddata *cd)
666 static int put_seed(Tcl_Interp *ti, /*const*/ char *arr,
667 unsigned char *p, const struct cmddata *cd)
672 if ((o = Tcl_GetVar2Ex(ti, arr, cd->name, TCL_LEAVE_ERR_MSG)) == 0 ||
673 (w = world_get(ti, o)) == 0)
679 static int put_bool(Tcl_Interp *ti, /*const*/ char *arr,
680 unsigned char *p, const struct cmddata *cd)
685 if ((o = Tcl_GetVar2Ex(ti, arr, cd->name, TCL_LEAVE_ERR_MSG)) == 0 ||
686 Tcl_GetBooleanFromObj(ti, o, &b) != TCL_OK)
692 static int put_items(Tcl_Interp *ti, /*const*/ char *arr,
693 unsigned char *p, const struct cmddata *cd)
698 const struct item *i;
700 for (i = items; i->name; i++) {
701 sprintf(buf, "%s-%s", cd->name, i->name);
702 if ((o = Tcl_GetVar2Ex(ti, arr, buf, TCL_LEAVE_ERR_MSG)) == 0 ||
703 Tcl_GetIntFromObj(ti, o, &ii) != TCL_OK)
710 static struct cmddata cmdtab[] = {
711 { "mission", 0, get_byte, put_byte, 0 },
712 { "world-x", 1, get_byte, put_byte, 0 },
713 { "world-y", 2, get_byte, put_byte, 0 },
714 { "gal-seed", 3, get_seed, put_seed, 0 },
715 { "credits", 9, get_word, put_word, 0 },
716 { "fuel", 13, get_byte, put_byte, 0 },
717 { "", 14, 0, put_const, 4 },
718 { "gal-number", 15, get_byte, put_byte, -1 },
719 { "front-laser", 16, get_byte, put_byte, 0 },
720 { "rear-laser", 17, get_byte, put_byte, 0 },
721 { "left-laser", 18, get_byte, put_byte, 0 },
722 { "right-laser", 19, get_byte, put_byte, 0 },
723 { "cargo", 22, get_byte, put_byte, 2 },
724 { "hold", 23, get_items, put_items, 0 },
725 { "ecm", 40, get_bool, put_bool, 255 },
726 { "fuel-scoop", 41, get_bool, put_bool, 255 },
727 { "energy-bomb", 42, get_bool, put_bool, 127 },
728 { "energy-unit", 43, get_byte, put_byte, 0 },
729 { "docking-computer", 44, get_bool, put_bool, 255 },
730 { "gal-hyperdrive", 45, get_bool, put_bool, 255 },
731 { "escape-pod", 46, get_bool, put_bool, 255 },
732 { "missiles", 51, get_byte, put_byte, 0 },
733 { "legal-status", 52, get_byte, put_byte, 0 },
734 { "station", 53, get_items, put_items, 0 },
735 { "market-fluc", 70, get_byte, put_byte, 0 },
736 { "score", 71, get_hword, put_hword, 0 },
737 { "", 74, 0, put_const, 32 },
741 /* --- elite-unpackcmdr [-force] ARR DATA --- */
743 static int cmd_unpackcmdr(ClientData cd, Tcl_Interp *ti,
744 int objc, Tcl_Obj *const *objv)
747 unsigned char *p, *q;
751 const struct cmddata *c;
755 /* --- Read the arguments --- */
759 char *opt = Tcl_GetString(*objv);
760 if (strcmp(opt, "-force") == 0)
762 else if (strcmp(opt, "--") == 0) {
772 return (err(ti, "usage: elite-unpackcmdr [-force] ARR DATA"));
773 arr = Tcl_GetString(objv[0]);
774 p = Tcl_GetByteArrayFromObj(objv[1], &sz);
776 /* --- Check the data for correctness --- */
779 return (err(ti, "bad commander data (bad length)"));
781 if (!(f & f_force)) {
782 if (sz < 76 || p[74] != (ck ^ 0xa9) || p[75] != ck)
783 return (err(ti, "bad commander data (bad checksum)"));
784 for (q = p + 77; q < p + sz; q++)
786 return (err(ti, "bad commander data (bad data at end)"));
789 /* --- Deconstruct the data --- */
791 for (c = cmdtab; c->name; c++) {
792 if (c->get && c->get(ti, arr, p + c->off, c))
798 /* --- elite-packcmdr ARR --- */
800 static int cmd_packcmdr(ClientData cd, Tcl_Interp *ti,
801 int objc, Tcl_Obj *const *objv)
804 unsigned char p[256];
806 const struct cmddata *c;
809 return (err(ti, "usage: elite-packcmdr ARR"));
810 arr = Tcl_GetString(objv[1]);
812 memset(p, 0, sizeof(p));
813 for (c = cmdtab; c->name; c++) {
814 if (c->put && c->put(ti, arr, p + c->off, c))
821 Tcl_SetObjResult(ti, Tcl_NewByteArrayObj(p, sizeof(p)));
825 /*----- Initialization ----------------------------------------------------*/
827 int Elite_SafeInit(Tcl_Interp *ti)
829 static const struct cmd {
830 /*const*/ char *name;
831 Tcl_ObjCmdProc *proc;
833 { "elite-nextworld", cmd_nextworld },
834 { "elite-nextgalaxy", cmd_nextgalaxy },
835 { "elite-worldinfo", cmd_worldinfo },
836 { "elite-market", cmd_market },
837 { "elite-unpackcmdr", cmd_unpackcmdr },
838 { "elite-packcmdr", cmd_packcmdr },
843 for (c = cmds; c->name; c++)
844 Tcl_CreateObjCommand(ti, c->name, c->proc, 0, 0);
845 Tcl_RegisterObjType(&world_type);
846 if (Tcl_PkgProvide(ti, "elite-bits", "1.0.0"))
851 int Elite_Init(Tcl_Interp *ti)
853 return (Elite_SafeInit(ti));
856 /*----- That's all, folks -------------------------------------------------*/