… | |
… | |
29 | #include <loader.h> |
29 | #include <loader.h> |
30 | |
30 | |
31 | #include <tr1/functional> |
31 | #include <tr1/functional> |
32 | #include <tr1/unordered_map> |
32 | #include <tr1/unordered_map> |
33 | |
33 | |
34 | int arch_init; /* True if doing arch initialization */ |
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35 | |
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36 | /* The naming of these functions is really poor - they are all |
34 | /* The naming of these functions is really poor - they are all |
37 | * pretty much named '.._arch_...', but they may more may not |
35 | * pretty much named '.._arch_...', but they may more may not |
38 | * return archetypes. Some make the arch_to_object call, and thus |
36 | * return archetypes. Some make the arch_to_object call, and thus |
39 | * return an object. Perhaps those should be called 'archob' functions |
37 | * return an object. Perhaps those should be called 'archob' functions |
40 | * to denote they return an object derived from the archetype. |
38 | * to denote they return an object derived from the archetype. |
41 | * MSW 2003-04-29 |
39 | * MSW 2003-04-29 |
42 | */ |
40 | */ |
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41 | |
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42 | bool loading_arch; // ugly flag to object laoder etc. to suppress/request special processing |
43 | |
43 | |
44 | // the hashtable |
44 | // the hashtable |
45 | typedef std::tr1::unordered_map |
45 | typedef std::tr1::unordered_map |
46 | < |
46 | < |
47 | const char *, |
47 | const char *, |
… | |
… | |
50 | str_equal, |
50 | str_equal, |
51 | slice_allocator< std::pair<const char *const, arch_ptr> > |
51 | slice_allocator< std::pair<const char *const, arch_ptr> > |
52 | > HT; |
52 | > HT; |
53 | |
53 | |
54 | static HT ht (5000); |
54 | static HT ht (5000); |
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55 | static std::vector<archetype *> archetypes; |
55 | |
56 | |
56 | /** |
57 | /** |
57 | * GROS - This function retrieves an archetype given the name that appears |
58 | * GROS - This function retrieves an archetype given the name that appears |
58 | * during the game (for example, "writing pen" instead of "stylus"). |
59 | * during the game (for example, "writing pen" instead of "stylus"). |
59 | * It does not use the hashtable system, but browse the whole archlist each time. |
60 | * It does not use the hashtable system, but browse the whole archlist each time. |
… | |
… | |
274 | } |
275 | } |
275 | |
276 | |
276 | return 0; |
277 | return 0; |
277 | } |
278 | } |
278 | |
279 | |
279 | /* |
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280 | * Initialises the internal linked list of archetypes (read from file). |
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281 | * Then the global "empty_archetype" pointer is initialised. |
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282 | * Then the blocksview[] array is initialised. |
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283 | */ |
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284 | |
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285 | void |
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286 | init_archetypes (void) |
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287 | { /* called from add_player() and edit() */ |
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288 | if (first_archetype != NULL) /* Only do this once */ |
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289 | return; |
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290 | |
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291 | arch_init = 1; |
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292 | load_archetypes (); |
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293 | arch_init = 0; |
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294 | empty_archetype = archetype::find ("empty_archetype"); |
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295 | |
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296 | /* init_blocksview();*/ |
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297 | } |
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298 | |
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299 | /* |
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300 | * An alternative way to init the hashtable which is slower, but _works_... |
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301 | */ |
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302 | void |
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303 | init_archetable (void) |
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304 | { |
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305 | LOG (llevDebug, " Setting up archetable...\n"); |
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306 | |
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307 | for (archetype *at = first_archetype; at; at = at->next) |
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308 | for (archetype *bt = at; bt; bt = bt->more) |
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309 | bt->hash_add (); |
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310 | |
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311 | LOG (llevDebug, "done\n"); |
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312 | } |
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313 | |
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314 | void |
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315 | free_all_archs (void) |
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316 | { |
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317 | archetype *at, *next; |
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318 | int i = 0, f = 0; |
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319 | |
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320 | for (at = first_archetype; at; at = next) |
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321 | { |
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322 | if (at->more) |
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323 | next = at->more; |
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324 | else |
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325 | next = at->next; |
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326 | |
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327 | delete |
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328 | at; |
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329 | |
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330 | i++; |
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331 | } |
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332 | |
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333 | LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f); |
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334 | } |
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335 | |
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336 | archetype::archetype () |
280 | archetype::archetype () |
337 | { |
281 | { |
338 | clone.arch = this; |
282 | clone.arch = this; |
339 | |
283 | |
340 | CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */ |
284 | CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */ |
… | |
… | |
344 | archetype::~archetype () |
288 | archetype::~archetype () |
345 | { |
289 | { |
346 | //TODO: nuke ->more's |
290 | //TODO: nuke ->more's |
347 | } |
291 | } |
348 | |
292 | |
349 | archetype * |
293 | static void |
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294 | unlink (archetype *at) |
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295 | { |
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296 | if (at->head) |
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297 | at = at->head; |
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298 | |
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299 | // destroy this archetype's link, making singletons out of its parts |
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300 | while (at) |
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301 | { |
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302 | archetype *more = at->more; |
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303 | at->clone.destroy_inv (); |
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304 | at->head = at->more = 0; |
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305 | at = more; |
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306 | } |
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307 | } |
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308 | |
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309 | // dire hack, need to rationalise |
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310 | void |
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311 | overwrite (archetype *at, object *op) |
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312 | { |
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313 | at->clone = *op; |
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314 | |
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315 | at->clone.arch = at; |
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316 | at->clone.inv = op->inv; op->inv = 0; |
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317 | |
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318 | op->destroy (); |
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319 | } |
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320 | |
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321 | bool |
350 | archetype::read (object_thawer &f) |
322 | archetype::load (object_thawer &f) |
351 | { |
323 | { |
352 | assert (f.kw == KW_object); |
324 | assert (f.kw == KW_object); |
353 | |
325 | |
354 | archetype *head = new archetype; |
326 | typedef std::pair<archetype *, object *> part; |
355 | f.get (head->name); |
327 | std::vector<part> parts; |
356 | |
328 | |
357 | if (!head->clone.parse_kv (f)) |
329 | coroapi::cede_to_tick_every (100); |
358 | { |
330 | |
359 | delete head; |
331 | for (;;) |
360 | return 0; |
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361 | } |
332 | { |
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333 | archetype *at = get (f.get_str ()); |
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334 | object *op = object::create (); |
362 | |
335 | |
363 | for (archetype *prev = head; f.kw == KW_more; ) |
336 | if (!op->parse_kv (f)) |
364 | { |
337 | goto fail; |
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338 | |
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339 | parts.push_back (std::make_pair (at, op)); |
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340 | |
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341 | if (f.kw != KW_more) |
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342 | break; |
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343 | |
365 | f.next (); |
344 | f.next (); |
366 | |
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367 | assert (f.kw == KW_object); |
345 | assert (f.kw == KW_object); |
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346 | } |
368 | |
347 | |
369 | archetype *more = new archetype; |
348 | { |
370 | f.get (more->name); |
349 | archetype *head = parts.front ().first; |
371 | |
350 | |
372 | if (!more->clone.parse_kv (f)) |
351 | // check that all archetypes belong to the same object or are heads |
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352 | for (auto (p, parts.begin ()); p != parts.end (); ++p) |
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353 | { |
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354 | archetype *at = p->first; |
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355 | |
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356 | if (at->head != head && at->head) |
373 | { |
357 | { |
374 | delete head; |
358 | LOG (llevError, "%s: unable to overwrite foreign non-head archetype with non-head archetype\n", &at->name); |
375 | return 0; |
359 | goto fail; |
376 | } |
360 | } |
377 | |
361 | |
378 | assert (("pippijn sagt es gibt keine tiles mehr", head->clone.face == more->clone.face)); |
362 | if (at->next && at != head) |
379 | |
363 | { |
380 | if (more->clone.x > head->tail_x) head->tail_x = more->clone.x; |
364 | LOG (llevError, "%s: unable to overwrite foreign head archetype with non-head archetype\n", &at->name); |
381 | if (more->clone.y > head->tail_y) head->tail_y = more->clone.y; |
365 | goto fail; |
382 | |
366 | } |
383 | more->head = head; |
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384 | more->clone.head = &head->clone; |
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385 | prev->more = more; |
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386 | prev->clone.more = &more->clone; |
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387 | |
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388 | prev = more; |
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389 | } |
367 | } |
390 | |
368 | |
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369 | // sever chain of existing head object |
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370 | for (archetype *more, *at = head; at; at = more) |
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371 | { |
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372 | more = at->more; |
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373 | |
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374 | at->head = 0; |
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375 | at->more = 0; |
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376 | } |
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377 | |
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378 | // replace/update head |
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379 | overwrite (head, parts.front ().second); |
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380 | head->tail_x = 0; |
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381 | head->tail_y = 0; |
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382 | |
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383 | // link into list of heads, if not already there |
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384 | if (!head->linked) |
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385 | { |
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386 | head->linked = true; |
391 | head->next = first_archetype; |
387 | head->next = first_archetype; |
392 | first_archetype = head; |
388 | first_archetype = head; |
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389 | } |
393 | |
390 | |
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391 | // reassemble new chain |
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392 | archetype *prev = head; |
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393 | for (auto (p, parts.begin () + 1); p != parts.end (); ++p) |
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394 | { |
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395 | archetype *at = p->first; |
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396 | overwrite (at, p->second); |
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397 | |
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398 | if (at->clone.x > head->tail_x) head->tail_x = at->clone.x; |
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399 | if (at->clone.y > head->tail_y) head->tail_y = at->clone.y; |
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400 | |
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401 | at->head = head; |
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402 | at->clone.head = &head->clone; |
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403 | prev->more = at; |
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404 | prev->clone.more = &at->clone; |
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405 | |
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406 | prev = at; |
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407 | } |
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408 | } |
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409 | |
394 | return head; |
410 | return true; |
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411 | |
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412 | fail: |
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413 | for (auto (p, parts.begin ()); p != parts.end (); ++p) |
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414 | p->second->destroy (true); |
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415 | |
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416 | return false; |
395 | } |
417 | } |
396 | |
418 | |
397 | /* |
419 | /* |
398 | * Reads/parses the archetype-file, and copies into a linked list |
420 | * Reads/parses the archetype-file, and copies into a linked list |
399 | * of archetype-structures. |
421 | * of archetype-structures. |
400 | */ |
422 | */ |
401 | static bool |
423 | static bool |
402 | first_arch_pass (object_thawer &f) |
424 | load_archetypes (object_thawer &f) |
403 | { |
425 | { |
404 | for (;;) |
426 | for (;;) |
405 | { |
427 | { |
406 | switch (f.kw) |
428 | switch (f.kw) |
407 | { |
429 | { |
408 | case KW_object: |
430 | case KW_object: |
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431 | loading_arch = true; |
409 | if (!archetype::read (f)) |
432 | if (!archetype::load (f)) |
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433 | { |
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434 | loading_arch = false; |
410 | return false; |
435 | return false; |
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436 | } |
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437 | |
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438 | loading_arch = false; |
411 | continue; |
439 | continue; |
412 | |
440 | |
413 | case KW_EOF: |
441 | case KW_EOF: |
414 | return true; |
442 | return true; |
415 | |
443 | |
… | |
… | |
421 | f.next (); |
449 | f.next (); |
422 | } |
450 | } |
423 | } |
451 | } |
424 | |
452 | |
425 | /* |
453 | /* |
426 | * Reads the archetype file once more, and links all pointers between |
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427 | * archetypes. |
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428 | */ |
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429 | void |
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430 | second_arch_pass (object_thawer & thawer) |
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431 | { |
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432 | char buf[MAX_BUF], *variable = buf, *argument, *cp; |
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433 | archetype *at = NULL, *other; |
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434 | |
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435 | while (fgets (buf, MAX_BUF, thawer) != NULL) |
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436 | { |
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437 | if (*buf == '#') |
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438 | continue; |
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439 | |
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440 | if ((argument = strchr (buf, ' ')) != NULL) |
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441 | { |
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442 | *argument = '\0', argument++; |
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443 | cp = argument + strlen (argument) - 1; |
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444 | while (isspace (*cp)) |
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445 | { |
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446 | *cp = '\0'; |
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447 | cp--; |
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448 | } |
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449 | } |
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450 | |
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451 | if (!strcmp ("object", variable)) |
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452 | { |
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453 | if ((at = archetype::find (argument)) == NULL) |
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454 | LOG (llevError, "Warning: failed to find arch %s\n", argument); |
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455 | } |
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456 | else if (!strcmp ("other_arch", variable)) |
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457 | { |
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458 | if (at != NULL && at->clone.other_arch == NULL) |
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459 | { |
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460 | if ((other = archetype::find (argument)) == NULL) |
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461 | LOG (llevError, "Warning: failed to find other_arch %s\n", argument); |
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462 | else if (at != NULL) |
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463 | at->clone.other_arch = other; |
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464 | } |
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465 | } |
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466 | else if (!strcmp ("randomitems", variable)) |
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467 | { |
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468 | if (at) |
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469 | { |
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470 | treasurelist *tl = find_treasurelist (argument); |
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471 | |
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472 | if (tl == NULL) |
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473 | LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument); |
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474 | else |
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475 | at->clone.randomitems = tl; |
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476 | } |
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477 | } |
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478 | } |
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479 | } |
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480 | |
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481 | #ifdef DEBUG |
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482 | void |
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483 | check_generators (void) |
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484 | { |
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485 | archetype *at; |
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486 | |
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487 | for (at = first_archetype; at != NULL; at = at->next) |
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488 | if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL) |
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489 | LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name); |
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490 | } |
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491 | #endif |
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492 | |
|
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493 | /* |
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494 | * First initialises the archtype hash-table (init_archetable()). |
454 | * First initialises the archtype hash-table (init_archetable()). |
495 | * Reads and parses the archetype file (with the first and second-pass |
455 | * Reads and parses the archetype file (with the first and second-pass |
496 | * functions). |
456 | * functions). |
497 | * Then initialises treasures by calling load_treasures(). |
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498 | */ |
457 | */ |
499 | |
458 | bool |
500 | void |
459 | load_archetype_file (const char *filename) |
501 | load_archetypes (void) |
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502 | { |
460 | { |
503 | char filename[MAX_BUF]; |
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504 | |
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505 | sprintf (filename, "%s/%s", settings.datadir, settings.archetypes); |
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506 | LOG (llevDebug, "Reading archetypes from %s:\n", filename); |
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507 | |
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508 | { |
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509 | object_thawer f (filename); |
461 | object_thawer f (filename); |
510 | |
462 | |
511 | f.next (); |
463 | f.next (); |
512 | |
464 | |
513 | LOG (llevDebug, " arch-pass 1...\n"); |
465 | if (!load_archetypes (f)) |
514 | if (!first_arch_pass (f)) |
466 | return false; |
515 | cleanup ("errors during first arch pass are fatal"); |
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516 | LOG (llevDebug, " done\n"); |
|
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517 | } |
|
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518 | |
467 | |
519 | init_archetable (); |
|
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520 | warn_archetypes = 1; |
468 | warn_archetypes = 1; |
521 | |
469 | |
522 | { |
470 | empty_archetype = archetype::find ("empty_archetype"); |
523 | object_thawer f (filename); |
471 | if (!empty_archetype) |
|
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472 | return false; |
524 | |
473 | |
525 | LOG (llevDebug, " loading treasure...\n"); |
474 | return true; |
526 | load_treasures (); |
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527 | LOG (llevDebug, " done\n"); |
|
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528 | LOG (llevDebug, " arch-pass 2...\n"); |
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529 | second_arch_pass (f); |
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530 | LOG (llevDebug, " done\n"); |
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531 | #ifdef DEBUG |
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532 | check_generators (); |
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533 | #endif |
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534 | } |
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535 | LOG (llevDebug, " done\n"); |
|
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536 | } |
475 | } |
537 | |
476 | |
538 | /* |
477 | /* |
539 | * Creates and returns a new object which is a copy of the given archetype. |
478 | * Creates and returns a new object which is a copy of the given archetype. |
540 | * This function returns NULL on failure. |
479 | * This function returns NULL on failure. |
… | |
… | |
589 | |
528 | |
590 | return arch_to_object (at); |
529 | return arch_to_object (at); |
591 | } |
530 | } |
592 | |
531 | |
593 | /* |
532 | /* |
594 | * Hash-function used by the arch-hashtable. |
|
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595 | */ |
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596 | |
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597 | unsigned long |
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598 | hasharch (const char *str, int tablesize) |
|
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599 | { |
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600 | unsigned long hash = 0; |
|
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601 | unsigned int i = 0; |
|
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602 | const char *p; |
|
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603 | |
|
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604 | /* use the one-at-a-time hash function, which supposedly is |
|
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605 | * better than the djb2-like one used by perl5.005, but |
|
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606 | * certainly is better then the bug used here before. |
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607 | * see http://burtleburtle.net/bob/hash/doobs.html |
|
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608 | */ |
|
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609 | for (p = str; i < MAXSTRING && *p; p++, i++) |
|
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610 | { |
|
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611 | hash += *p; |
|
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612 | hash += hash << 10; |
|
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613 | hash ^= hash >> 6; |
|
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614 | } |
|
|
615 | |
|
|
616 | hash += hash << 3; |
|
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617 | hash ^= hash >> 11; |
|
|
618 | hash += hash << 15; |
|
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619 | |
|
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620 | return hash % tablesize; |
|
|
621 | } |
|
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622 | |
|
|
623 | /* |
|
|
624 | * Finds, using the hashtable, which archetype matches the given name. |
533 | * Finds, using the hashtable, which archetype matches the given name. |
625 | * returns a pointer to the found archetype, otherwise NULL. |
534 | * returns a pointer to the found archetype, otherwise NULL. |
626 | */ |
535 | */ |
627 | archetype * |
536 | archetype * |
628 | archetype::find (const char *name) |
537 | archetype::find (const char *name) |
629 | { |
538 | { |
630 | if (!name) |
539 | if (!name) |
631 | return 0; |
540 | return 0; |
632 | |
541 | |
633 | AUTODECL (i, ht.find (name)); |
542 | auto (i, ht.find (name)); |
634 | |
543 | |
635 | if (i == ht.end ()) |
544 | if (i == ht.end ()) |
636 | return 0; |
545 | return 0; |
637 | else |
546 | else |
638 | return i->second; |
547 | return i->second; |
639 | } |
548 | } |
640 | |
549 | |
|
|
550 | archetype * |
|
|
551 | archetype::get (const char *name) |
|
|
552 | { |
|
|
553 | archetype *at = find (name); |
|
|
554 | |
|
|
555 | if (!at) |
|
|
556 | { |
|
|
557 | archetypes.push_back (at = new archetype); |
|
|
558 | at->name = name; |
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|
559 | at->hash_add (); |
|
|
560 | } |
|
|
561 | |
|
|
562 | return at; |
|
|
563 | } |
|
|
564 | |
641 | /* |
565 | /* |
642 | * Adds an archetype to the hashtable. |
566 | * Adds an archetype to the hashtable. |
643 | */ |
567 | */ |
644 | void |
568 | void |
645 | archetype::hash_add () |
569 | archetype::hash_add () |
… | |
… | |
658 | * Used in treasure-generation. |
582 | * Used in treasure-generation. |
659 | */ |
583 | */ |
660 | archetype * |
584 | archetype * |
661 | type_to_archetype (int type) |
585 | type_to_archetype (int type) |
662 | { |
586 | { |
663 | archetype *at; |
|
|
664 | |
|
|
665 | for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more) |
587 | for (archetype *at = first_archetype; at; at = at->more == 0 ? at->next : at->more) |
666 | if (at->clone.type == type) |
588 | if (at->clone.type == type) |
667 | return at; |
589 | return at; |
668 | |
590 | |
669 | return 0; |
591 | return 0; |
670 | } |
592 | } |
… | |
… | |
672 | /* |
594 | /* |
673 | * Returns a new object copied from the first archetype matching |
595 | * Returns a new object copied from the first archetype matching |
674 | * the given type. |
596 | * the given type. |
675 | * Used in treasure-generation. |
597 | * Used in treasure-generation. |
676 | */ |
598 | */ |
677 | |
|
|
678 | object * |
599 | object * |
679 | clone_arch (int type) |
600 | clone_arch (int type) |
680 | { |
601 | { |
681 | archetype *at; |
602 | archetype *at; |
682 | |
603 | |