| … | |
… | |
| 316 | at->clone.inv = op->inv; op->inv = 0; |
316 | at->clone.inv = op->inv; op->inv = 0; |
| 317 | |
317 | |
| 318 | op->destroy (); |
318 | op->destroy (); |
| 319 | } |
319 | } |
| 320 | |
320 | |
| 321 | bool |
321 | archetype * |
| 322 | archetype::load (object_thawer &f) |
322 | archetype::read (object_thawer &f) |
| 323 | { |
323 | { |
| 324 | assert (f.kw == KW_object); |
324 | assert (f.kw == KW_object); |
|
|
325 | |
|
|
326 | loading_arch = true; // hack to tell parse_kv et al. to behave |
| 325 | |
327 | |
| 326 | typedef std::pair<archetype *, object *> part; |
328 | typedef std::pair<archetype *, object *> part; |
| 327 | std::vector<part> parts; |
329 | std::vector<part> parts; |
| 328 | |
330 | |
|
|
331 | coroapi::cede_to_tick_every (100); |
|
|
332 | |
| 329 | for (;;) |
333 | for (;;) |
| 330 | { |
334 | { |
| 331 | archetype *at = get (f.get_str ()); |
335 | archetype *at = get (f.get_str ()); |
| 332 | object *op = object::create (); |
336 | object *op = object::create (); |
| 333 | |
337 | |
| … | |
… | |
| 345 | |
349 | |
| 346 | { |
350 | { |
| 347 | archetype *head = parts.front ().first; |
351 | archetype *head = parts.front ().first; |
| 348 | |
352 | |
| 349 | // check that all archetypes belong to the same object or are heads |
353 | // check that all archetypes belong to the same object or are heads |
| 350 | for (AUTODECL (p, parts.begin ()); p != parts.end (); ++p) |
354 | for (auto (p, parts.begin ()); p != parts.end (); ++p) |
| 351 | { |
355 | { |
| 352 | archetype *at = p->first; |
356 | archetype *at = p->first; |
| 353 | |
357 | |
| 354 | if (at->head != head && at->head) |
358 | if (at->head != head && at->head) |
| 355 | { |
359 | { |
| … | |
… | |
| 377 | overwrite (head, parts.front ().second); |
381 | overwrite (head, parts.front ().second); |
| 378 | head->tail_x = 0; |
382 | head->tail_x = 0; |
| 379 | head->tail_y = 0; |
383 | head->tail_y = 0; |
| 380 | |
384 | |
| 381 | // link into list of heads, if not already there |
385 | // link into list of heads, if not already there |
| 382 | if (!head->next) |
386 | if (!head->linked) |
| 383 | { |
387 | { |
|
|
388 | head->linked = true; |
| 384 | head->next = first_archetype; |
389 | head->next = first_archetype; |
| 385 | first_archetype = head; |
390 | first_archetype = head; |
| 386 | } |
391 | } |
| 387 | |
392 | |
| 388 | // reassemble new chain |
393 | // reassemble new chain |
| 389 | archetype *prev = head; |
394 | archetype *prev = head; |
| 390 | for (AUTODECL (p, parts.begin () + 1); p != parts.end (); ++p) |
395 | for (auto (p, parts.begin () + 1); p != parts.end (); ++p) |
| 391 | { |
396 | { |
| 392 | archetype *at = p->first; |
397 | archetype *at = p->first; |
| 393 | overwrite (at, p->second); |
398 | overwrite (at, p->second); |
| 394 | |
399 | |
| 395 | if (at->clone.x > head->tail_x) head->tail_x = at->clone.x; |
400 | if (at->clone.x > head->tail_x) head->tail_x = at->clone.x; |
| … | |
… | |
| 400 | prev->more = at; |
405 | prev->more = at; |
| 401 | prev->clone.more = &at->clone; |
406 | prev->clone.more = &at->clone; |
| 402 | |
407 | |
| 403 | prev = at; |
408 | prev = at; |
| 404 | } |
409 | } |
|
|
410 | |
|
|
411 | loading_arch = false; |
|
|
412 | return head; |
| 405 | } |
413 | } |
| 406 | |
414 | |
| 407 | return true; |
|
|
| 408 | |
|
|
| 409 | fail: |
415 | fail: |
| 410 | for (AUTODECL (p, parts.begin ()); p != parts.end (); ++p) |
416 | for (auto (p, parts.begin ()); p != parts.end (); ++p) |
| 411 | p->second->destroy (true); |
417 | p->second->destroy (true); |
| 412 | |
418 | |
| 413 | return false; |
|
|
| 414 | } |
|
|
| 415 | |
|
|
| 416 | /* |
|
|
| 417 | * Reads/parses the archetype-file, and copies into a linked list |
|
|
| 418 | * of archetype-structures. |
|
|
| 419 | */ |
|
|
| 420 | static bool |
|
|
| 421 | load_archetypes (object_thawer &f) |
|
|
| 422 | { |
|
|
| 423 | for (;;) |
|
|
| 424 | { |
|
|
| 425 | switch (f.kw) |
|
|
| 426 | { |
|
|
| 427 | case KW_object: |
|
|
| 428 | loading_arch = true; |
|
|
| 429 | if (!archetype::load (f)) |
|
|
| 430 | { |
|
|
| 431 | loading_arch = false; |
|
|
| 432 | return false; |
|
|
| 433 | } |
|
|
| 434 | |
|
|
| 435 | loading_arch = false; |
419 | loading_arch = false; |
| 436 | continue; |
420 | return 0; |
| 437 | |
|
|
| 438 | case KW_EOF: |
|
|
| 439 | return true; |
|
|
| 440 | |
|
|
| 441 | default: |
|
|
| 442 | if (!f.parse_error ("archetypes file")) |
|
|
| 443 | return false; |
|
|
| 444 | } |
|
|
| 445 | |
|
|
| 446 | f.next (); |
|
|
| 447 | } |
|
|
| 448 | } |
421 | } |
| 449 | |
422 | |
| 450 | /* |
423 | /* |
| 451 | * First initialises the archtype hash-table (init_archetable()). |
424 | * Initialize global archtype pointers: |
| 452 | * Reads and parses the archetype file (with the first and second-pass |
|
|
| 453 | * functions). |
|
|
| 454 | */ |
425 | */ |
| 455 | bool |
426 | void |
| 456 | load_archetype_file (const char *filename) |
427 | init_archetype_pointers () |
| 457 | { |
428 | { |
| 458 | object_thawer f (filename); |
429 | ring_arch = archetype::find ("ring"); |
| 459 | |
430 | amulet_arch = archetype::find ("amulet"); |
| 460 | f.next (); |
431 | staff_arch = archetype::find ("staff"); |
| 461 | |
432 | crown_arch = archetype::find ("crown"); |
| 462 | // make sure the next - long - step is only done after a tick |
|
|
| 463 | coroapi::wait_for_tick_begin (); |
|
|
| 464 | |
|
|
| 465 | if (!load_archetypes (f)) |
|
|
| 466 | return false; |
|
|
| 467 | |
|
|
| 468 | warn_archetypes = 1; |
|
|
| 469 | |
|
|
| 470 | empty_archetype = archetype::find ("empty_archetype"); |
433 | empty_archetype = archetype::find ("empty_archetype"); |
| 471 | if (!empty_archetype) |
|
|
| 472 | return false; |
|
|
| 473 | |
|
|
| 474 | coroapi::cede (); |
|
|
| 475 | |
|
|
| 476 | return true; |
|
|
| 477 | } |
434 | } |
| 478 | |
435 | |
| 479 | /* |
436 | /* |
| 480 | * Creates and returns a new object which is a copy of the given archetype. |
437 | * Creates and returns a new object which is a copy of the given archetype. |
| 481 | * This function returns NULL on failure. |
438 | * This function returns NULL on failure. |
| … | |
… | |
| 483 | object * |
440 | object * |
| 484 | arch_to_object (archetype *at) |
441 | arch_to_object (archetype *at) |
| 485 | { |
442 | { |
| 486 | if (!at) |
443 | if (!at) |
| 487 | { |
444 | { |
| 488 | if (warn_archetypes) |
|
|
| 489 | LOG (llevError, "Couldn't find archetype.\n"); |
445 | LOG (llevError, "Couldn't find archetype.\n"); |
| 490 | |
|
|
| 491 | return NULL; |
446 | return 0; |
| 492 | } |
447 | } |
| 493 | |
448 | |
| 494 | object *op = at->clone.clone (); |
449 | object *op = at->clone.clone (); |
| 495 | op->arch = at; |
450 | op->arch = at; |
| 496 | op->instantiate (); |
451 | op->instantiate (); |
|
|
452 | |
| 497 | return op; |
453 | return op; |
| 498 | } |
454 | } |
| 499 | |
455 | |
| 500 | /* |
456 | /* |
| 501 | * Creates an object. This function is called by get_archetype() |
457 | * Creates an object. This function is called by get_archetype() |
| … | |
… | |
| 530 | |
486 | |
| 531 | return arch_to_object (at); |
487 | return arch_to_object (at); |
| 532 | } |
488 | } |
| 533 | |
489 | |
| 534 | /* |
490 | /* |
| 535 | * Hash-function used by the arch-hashtable. |
|
|
| 536 | */ |
|
|
| 537 | |
|
|
| 538 | unsigned long |
|
|
| 539 | hasharch (const char *str, int tablesize) |
|
|
| 540 | { |
|
|
| 541 | unsigned long hash = 0; |
|
|
| 542 | unsigned int i = 0; |
|
|
| 543 | const char *p; |
|
|
| 544 | |
|
|
| 545 | /* use the one-at-a-time hash function, which supposedly is |
|
|
| 546 | * better than the djb2-like one used by perl5.005, but |
|
|
| 547 | * certainly is better then the bug used here before. |
|
|
| 548 | * see http://burtleburtle.net/bob/hash/doobs.html |
|
|
| 549 | */ |
|
|
| 550 | for (p = str; i < MAXSTRING && *p; p++, i++) |
|
|
| 551 | { |
|
|
| 552 | hash += *p; |
|
|
| 553 | hash += hash << 10; |
|
|
| 554 | hash ^= hash >> 6; |
|
|
| 555 | } |
|
|
| 556 | |
|
|
| 557 | hash += hash << 3; |
|
|
| 558 | hash ^= hash >> 11; |
|
|
| 559 | hash += hash << 15; |
|
|
| 560 | |
|
|
| 561 | return hash % tablesize; |
|
|
| 562 | } |
|
|
| 563 | |
|
|
| 564 | /* |
|
|
| 565 | * Finds, using the hashtable, which archetype matches the given name. |
491 | * Finds, using the hashtable, which archetype matches the given name. |
| 566 | * returns a pointer to the found archetype, otherwise NULL. |
492 | * returns a pointer to the found archetype, otherwise NULL. |
| 567 | */ |
493 | */ |
| 568 | archetype * |
494 | archetype * |
| 569 | archetype::find (const char *name) |
495 | archetype::find (const char *name) |
| 570 | { |
496 | { |
| 571 | if (!name) |
497 | if (!name) |
| 572 | return 0; |
498 | return 0; |
| 573 | |
499 | |
| 574 | AUTODECL (i, ht.find (name)); |
500 | auto (i, ht.find (name)); |
| 575 | |
501 | |
| 576 | if (i == ht.end ()) |
502 | if (i == ht.end ()) |
| 577 | return 0; |
503 | return 0; |
| 578 | else |
504 | else |
| 579 | return i->second; |
505 | return i->second; |
