Line data Source code
1 : /*
2 : Minetest
3 : Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
4 :
5 : This program is free software; you can redistribute it and/or modify
6 : it under the terms of the GNU Lesser General Public License as published by
7 : the Free Software Foundation; either version 2.1 of the License, or
8 : (at your option) any later version.
9 :
10 : This program is distributed in the hope that it will be useful,
11 : but WITHOUT ANY WARRANTY; without even the implied warranty of
12 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 : GNU Lesser General Public License for more details.
14 :
15 : You should have received a copy of the GNU Lesser General Public License along
16 : with this program; if not, write to the Free Software Foundation, Inc.,
17 : 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 : */
19 :
20 : #include "inventorymanager.h"
21 : #include "log.h"
22 : #include "environment.h"
23 : #include "scripting_game.h"
24 : #include "serverobject.h"
25 : #include "settings.h"
26 : #include "craftdef.h"
27 : #include "rollback_interface.h"
28 : #include "strfnd.h"
29 :
30 : #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
31 :
32 : #define PLAYER_TO_SA(p) p->getEnv()->getScriptIface()
33 :
34 : /*
35 : InventoryLocation
36 : */
37 :
38 0 : std::string InventoryLocation::dump() const
39 : {
40 0 : std::ostringstream os(std::ios::binary);
41 0 : serialize(os);
42 0 : return os.str();
43 : }
44 :
45 0 : void InventoryLocation::serialize(std::ostream &os) const
46 : {
47 0 : switch(type){
48 : case InventoryLocation::UNDEFINED:
49 0 : os<<"undefined";
50 0 : break;
51 : case InventoryLocation::CURRENT_PLAYER:
52 0 : os<<"current_player";
53 0 : break;
54 : case InventoryLocation::PLAYER:
55 0 : os<<"player:"<<name;
56 0 : break;
57 : case InventoryLocation::NODEMETA:
58 0 : os<<"nodemeta:"<<p.X<<","<<p.Y<<","<<p.Z;
59 0 : break;
60 : case InventoryLocation::DETACHED:
61 0 : os<<"detached:"<<name;
62 0 : break;
63 : default:
64 0 : FATAL_ERROR("Unhandled inventory location type");
65 : }
66 0 : }
67 :
68 0 : void InventoryLocation::deSerialize(std::istream &is)
69 : {
70 0 : std::string tname;
71 0 : std::getline(is, tname, ':');
72 0 : if(tname == "undefined")
73 : {
74 0 : type = InventoryLocation::UNDEFINED;
75 : }
76 0 : else if(tname == "current_player")
77 : {
78 0 : type = InventoryLocation::CURRENT_PLAYER;
79 : }
80 0 : else if(tname == "player")
81 : {
82 0 : type = InventoryLocation::PLAYER;
83 0 : std::getline(is, name, '\n');
84 : }
85 0 : else if(tname == "nodemeta")
86 : {
87 0 : type = InventoryLocation::NODEMETA;
88 0 : std::string pos;
89 0 : std::getline(is, pos, '\n');
90 0 : Strfnd fn(pos);
91 0 : p.X = stoi(fn.next(","));
92 0 : p.Y = stoi(fn.next(","));
93 0 : p.Z = stoi(fn.next(","));
94 : }
95 0 : else if(tname == "detached")
96 : {
97 0 : type = InventoryLocation::DETACHED;
98 0 : std::getline(is, name, '\n');
99 : }
100 : else
101 : {
102 0 : infostream<<"Unknown InventoryLocation type=\""<<tname<<"\""<<std::endl;
103 0 : throw SerializationError("Unknown InventoryLocation type");
104 : }
105 0 : }
106 :
107 0 : void InventoryLocation::deSerialize(std::string s)
108 : {
109 0 : std::istringstream is(s, std::ios::binary);
110 0 : deSerialize(is);
111 0 : }
112 :
113 : /*
114 : InventoryAction
115 : */
116 :
117 0 : InventoryAction * InventoryAction::deSerialize(std::istream &is)
118 : {
119 0 : std::string type;
120 0 : std::getline(is, type, ' ');
121 :
122 0 : InventoryAction *a = NULL;
123 :
124 0 : if (type == "Move") {
125 0 : a = new IMoveAction(is, false);
126 0 : } else if (type == "MoveSomewhere") {
127 0 : a = new IMoveAction(is, true);
128 0 : } else if (type == "Drop") {
129 0 : a = new IDropAction(is);
130 0 : } else if(type == "Craft") {
131 0 : a = new ICraftAction(is);
132 : }
133 :
134 0 : return a;
135 : }
136 :
137 : /*
138 : IMoveAction
139 : */
140 :
141 0 : IMoveAction::IMoveAction(std::istream &is, bool somewhere)
142 : {
143 0 : std::string ts;
144 0 : move_somewhere = somewhere;
145 0 : caused_by_move_somewhere = false;
146 0 : move_count = 0;
147 :
148 0 : std::getline(is, ts, ' ');
149 0 : count = stoi(ts);
150 :
151 0 : std::getline(is, ts, ' ');
152 0 : from_inv.deSerialize(ts);
153 :
154 0 : std::getline(is, from_list, ' ');
155 :
156 0 : std::getline(is, ts, ' ');
157 0 : from_i = stoi(ts);
158 :
159 0 : std::getline(is, ts, ' ');
160 0 : to_inv.deSerialize(ts);
161 :
162 0 : std::getline(is, to_list, ' ');
163 :
164 0 : if (!somewhere) {
165 0 : std::getline(is, ts, ' ');
166 0 : to_i = stoi(ts);
167 : }
168 0 : }
169 :
170 0 : void IMoveAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGameDef *gamedef)
171 : {
172 0 : Inventory *inv_from = mgr->getInventory(from_inv);
173 0 : Inventory *inv_to = mgr->getInventory(to_inv);
174 :
175 0 : if(!inv_from){
176 0 : infostream<<"IMoveAction::apply(): FAIL: source inventory not found: "
177 0 : <<"from_inv=\""<<from_inv.dump()<<"\""
178 0 : <<", to_inv=\""<<to_inv.dump()<<"\""<<std::endl;
179 0 : return;
180 : }
181 0 : if(!inv_to){
182 0 : infostream<<"IMoveAction::apply(): FAIL: destination inventory not found: "
183 0 : <<"from_inv=\""<<from_inv.dump()<<"\""
184 0 : <<", to_inv=\""<<to_inv.dump()<<"\""<<std::endl;
185 0 : return;
186 : }
187 :
188 0 : InventoryList *list_from = inv_from->getList(from_list);
189 0 : InventoryList *list_to = inv_to->getList(to_list);
190 :
191 : /*
192 : If a list doesn't exist or the source item doesn't exist
193 : */
194 0 : if(!list_from){
195 0 : infostream<<"IMoveAction::apply(): FAIL: source list not found: "
196 0 : <<"from_inv=\""<<from_inv.dump()<<"\""
197 0 : <<", from_list=\""<<from_list<<"\""<<std::endl;
198 0 : return;
199 : }
200 0 : if(!list_to){
201 0 : infostream<<"IMoveAction::apply(): FAIL: destination list not found: "
202 0 : <<"to_inv=\""<<to_inv.dump()<<"\""
203 0 : <<", to_list=\""<<to_list<<"\""<<std::endl;
204 0 : return;
205 : }
206 :
207 0 : if (move_somewhere) {
208 0 : s16 old_to_i = to_i;
209 0 : u16 old_count = count;
210 0 : caused_by_move_somewhere = true;
211 0 : move_somewhere = false;
212 :
213 0 : infostream << "IMoveAction::apply(): moving item somewhere"
214 0 : << " msom=" << move_somewhere
215 0 : << " count=" << count
216 0 : << " from inv=\"" << from_inv.dump() << "\""
217 0 : << " list=\"" << from_list << "\""
218 0 : << " i=" << from_i
219 0 : << " to inv=\"" << to_inv.dump() << "\""
220 0 : << " list=\"" << to_list << "\""
221 0 : << std::endl;
222 :
223 : // Try to add the item to destination list
224 0 : s16 dest_size = list_to->getSize();
225 : // First try all the non-empty slots
226 0 : for (s16 dest_i = 0; dest_i < dest_size && count > 0; dest_i++) {
227 0 : if (!list_to->getItem(dest_i).empty()) {
228 0 : to_i = dest_i;
229 0 : apply(mgr, player, gamedef);
230 0 : count -= move_count;
231 : }
232 : }
233 :
234 : // Then try all the empty ones
235 0 : for (s16 dest_i = 0; dest_i < dest_size && count > 0; dest_i++) {
236 0 : if (list_to->getItem(dest_i).empty()) {
237 0 : to_i = dest_i;
238 0 : apply(mgr, player, gamedef);
239 0 : count -= move_count;
240 : }
241 : }
242 :
243 0 : to_i = old_to_i;
244 0 : count = old_count;
245 0 : caused_by_move_somewhere = false;
246 0 : move_somewhere = true;
247 0 : return;
248 : }
249 : /*
250 : Do not handle rollback if both inventories are that of the same player
251 : */
252 : bool ignore_rollback = (
253 0 : from_inv.type == InventoryLocation::PLAYER &&
254 0 : to_inv.type == InventoryLocation::PLAYER &&
255 0 : from_inv.name == to_inv.name);
256 :
257 : /*
258 : Collect information of endpoints
259 : */
260 :
261 0 : int try_take_count = count;
262 0 : if(try_take_count == 0)
263 0 : try_take_count = list_from->getItem(from_i).count;
264 :
265 0 : int src_can_take_count = 0xffff;
266 0 : int dst_can_put_count = 0xffff;
267 :
268 : /* Query detached inventories */
269 :
270 : // Move occurs in the same detached inventory
271 0 : if(from_inv.type == InventoryLocation::DETACHED &&
272 0 : to_inv.type == InventoryLocation::DETACHED &&
273 0 : from_inv.name == to_inv.name)
274 : {
275 0 : src_can_take_count = PLAYER_TO_SA(player)->detached_inventory_AllowMove(
276 0 : from_inv.name, from_list, from_i,
277 0 : to_list, to_i, try_take_count, player);
278 0 : dst_can_put_count = src_can_take_count;
279 : }
280 : else
281 : {
282 : // Destination is detached
283 0 : if(to_inv.type == InventoryLocation::DETACHED)
284 : {
285 0 : ItemStack src_item = list_from->getItem(from_i);
286 0 : src_item.count = try_take_count;
287 0 : dst_can_put_count = PLAYER_TO_SA(player)->detached_inventory_AllowPut(
288 0 : to_inv.name, to_list, to_i, src_item, player);
289 : }
290 : // Source is detached
291 0 : if(from_inv.type == InventoryLocation::DETACHED)
292 : {
293 0 : ItemStack src_item = list_from->getItem(from_i);
294 0 : src_item.count = try_take_count;
295 0 : src_can_take_count = PLAYER_TO_SA(player)->detached_inventory_AllowTake(
296 0 : from_inv.name, from_list, from_i, src_item, player);
297 : }
298 : }
299 :
300 : /* Query node metadata inventories */
301 :
302 : // Both endpoints are nodemeta
303 : // Move occurs in the same nodemeta inventory
304 0 : if(from_inv.type == InventoryLocation::NODEMETA &&
305 0 : to_inv.type == InventoryLocation::NODEMETA &&
306 0 : from_inv.p == to_inv.p)
307 : {
308 0 : src_can_take_count = PLAYER_TO_SA(player)->nodemeta_inventory_AllowMove(
309 0 : from_inv.p, from_list, from_i,
310 0 : to_list, to_i, try_take_count, player);
311 0 : dst_can_put_count = src_can_take_count;
312 : }
313 : else
314 : {
315 : // Destination is nodemeta
316 0 : if(to_inv.type == InventoryLocation::NODEMETA)
317 : {
318 0 : ItemStack src_item = list_from->getItem(from_i);
319 0 : src_item.count = try_take_count;
320 0 : dst_can_put_count = PLAYER_TO_SA(player)->nodemeta_inventory_AllowPut(
321 0 : to_inv.p, to_list, to_i, src_item, player);
322 : }
323 : // Source is nodemeta
324 0 : if(from_inv.type == InventoryLocation::NODEMETA)
325 : {
326 0 : ItemStack src_item = list_from->getItem(from_i);
327 0 : src_item.count = try_take_count;
328 0 : src_can_take_count = PLAYER_TO_SA(player)->nodemeta_inventory_AllowTake(
329 0 : from_inv.p, from_list, from_i, src_item, player);
330 : }
331 : }
332 :
333 0 : int old_count = count;
334 :
335 : /* Modify count according to collected data */
336 0 : count = try_take_count;
337 0 : if(src_can_take_count != -1 && count > src_can_take_count)
338 0 : count = src_can_take_count;
339 0 : if(dst_can_put_count != -1 && count > dst_can_put_count)
340 0 : count = dst_can_put_count;
341 : /* Limit according to source item count */
342 0 : if(count > list_from->getItem(from_i).count)
343 0 : count = list_from->getItem(from_i).count;
344 :
345 : /* If no items will be moved, don't go further */
346 0 : if(count == 0)
347 : {
348 0 : infostream<<"IMoveAction::apply(): move was completely disallowed:"
349 0 : <<" count="<<old_count
350 0 : <<" from inv=\""<<from_inv.dump()<<"\""
351 0 : <<" list=\""<<from_list<<"\""
352 0 : <<" i="<<from_i
353 0 : <<" to inv=\""<<to_inv.dump()<<"\""
354 0 : <<" list=\""<<to_list<<"\""
355 0 : <<" i="<<to_i
356 0 : <<std::endl;
357 0 : return;
358 : }
359 :
360 0 : ItemStack src_item = list_from->getItem(from_i);
361 0 : src_item.count = count;
362 0 : ItemStack from_stack_was = list_from->getItem(from_i);
363 0 : ItemStack to_stack_was = list_to->getItem(to_i);
364 :
365 : /*
366 : Perform actual move
367 :
368 : If something is wrong (source item is empty, destination is the
369 : same as source), nothing happens
370 : */
371 0 : move_count = list_from->moveItem(from_i,
372 0 : list_to, to_i, count, !caused_by_move_somewhere);
373 :
374 : // If source is infinite, reset it's stack
375 0 : if(src_can_take_count == -1){
376 : // If destination stack is of different type and there are leftover
377 : // items, attempt to put the leftover items to a different place in the
378 : // destination inventory.
379 : // The client-side GUI will try to guess if this happens.
380 0 : if(from_stack_was.name != to_stack_was.name){
381 0 : for(u32 i=0; i<list_to->getSize(); i++){
382 0 : if(list_to->getItem(i).empty()){
383 0 : list_to->changeItem(i, to_stack_was);
384 0 : break;
385 : }
386 : }
387 : }
388 0 : list_from->deleteItem(from_i);
389 0 : list_from->addItem(from_i, from_stack_was);
390 : }
391 : // If destination is infinite, reset it's stack and take count from source
392 0 : if(dst_can_put_count == -1){
393 0 : list_to->deleteItem(to_i);
394 0 : list_to->addItem(to_i, to_stack_was);
395 0 : list_from->deleteItem(from_i);
396 0 : list_from->addItem(from_i, from_stack_was);
397 0 : list_from->takeItem(from_i, count);
398 : }
399 :
400 0 : infostream << "IMoveAction::apply(): moved"
401 0 : << " msom=" << move_somewhere
402 0 : << " caused=" << caused_by_move_somewhere
403 0 : << " count=" << count
404 0 : << " from inv=\"" << from_inv.dump() << "\""
405 0 : << " list=\"" << from_list << "\""
406 0 : << " i=" << from_i
407 0 : << " to inv=\"" << to_inv.dump() << "\""
408 0 : << " list=\"" << to_list << "\""
409 0 : << " i=" << to_i
410 0 : << std::endl;
411 :
412 : /*
413 : Record rollback information
414 : */
415 0 : if(!ignore_rollback && gamedef->rollback())
416 : {
417 0 : IRollbackManager *rollback = gamedef->rollback();
418 :
419 : // If source is not infinite, record item take
420 0 : if(src_can_take_count != -1){
421 0 : RollbackAction action;
422 0 : std::string loc;
423 : {
424 0 : std::ostringstream os(std::ios::binary);
425 0 : from_inv.serialize(os);
426 0 : loc = os.str();
427 : }
428 0 : action.setModifyInventoryStack(loc, from_list, from_i, false,
429 0 : src_item);
430 0 : rollback->reportAction(action);
431 : }
432 : // If destination is not infinite, record item put
433 0 : if(dst_can_put_count != -1){
434 0 : RollbackAction action;
435 0 : std::string loc;
436 : {
437 0 : std::ostringstream os(std::ios::binary);
438 0 : to_inv.serialize(os);
439 0 : loc = os.str();
440 : }
441 0 : action.setModifyInventoryStack(loc, to_list, to_i, true,
442 0 : src_item);
443 0 : rollback->reportAction(action);
444 : }
445 : }
446 :
447 : /*
448 : Report move to endpoints
449 : */
450 :
451 : /* Detached inventories */
452 :
453 : // Both endpoints are same detached
454 0 : if(from_inv.type == InventoryLocation::DETACHED &&
455 0 : to_inv.type == InventoryLocation::DETACHED &&
456 0 : from_inv.name == to_inv.name)
457 : {
458 0 : PLAYER_TO_SA(player)->detached_inventory_OnMove(
459 0 : from_inv.name, from_list, from_i,
460 0 : to_list, to_i, count, player);
461 : }
462 : else
463 : {
464 : // Destination is detached
465 0 : if(to_inv.type == InventoryLocation::DETACHED)
466 : {
467 0 : PLAYER_TO_SA(player)->detached_inventory_OnPut(
468 0 : to_inv.name, to_list, to_i, src_item, player);
469 : }
470 : // Source is detached
471 0 : if(from_inv.type == InventoryLocation::DETACHED)
472 : {
473 0 : PLAYER_TO_SA(player)->detached_inventory_OnTake(
474 0 : from_inv.name, from_list, from_i, src_item, player);
475 : }
476 : }
477 :
478 : /* Node metadata inventories */
479 :
480 : // Both endpoints are same nodemeta
481 0 : if(from_inv.type == InventoryLocation::NODEMETA &&
482 0 : to_inv.type == InventoryLocation::NODEMETA &&
483 0 : from_inv.p == to_inv.p)
484 : {
485 0 : PLAYER_TO_SA(player)->nodemeta_inventory_OnMove(
486 0 : from_inv.p, from_list, from_i,
487 0 : to_list, to_i, count, player);
488 : }
489 : else{
490 : // Destination is nodemeta
491 0 : if(to_inv.type == InventoryLocation::NODEMETA)
492 : {
493 0 : PLAYER_TO_SA(player)->nodemeta_inventory_OnPut(
494 0 : to_inv.p, to_list, to_i, src_item, player);
495 : }
496 : // Source is nodemeta
497 0 : else if(from_inv.type == InventoryLocation::NODEMETA)
498 : {
499 0 : PLAYER_TO_SA(player)->nodemeta_inventory_OnTake(
500 0 : from_inv.p, from_list, from_i, src_item, player);
501 : }
502 : }
503 :
504 0 : mgr->setInventoryModified(from_inv, false);
505 0 : if(inv_from != inv_to)
506 0 : mgr->setInventoryModified(to_inv, false);
507 : }
508 :
509 0 : void IMoveAction::clientApply(InventoryManager *mgr, IGameDef *gamedef)
510 : {
511 : // Optional InventoryAction operation that is run on the client
512 : // to make lag less apparent.
513 :
514 0 : Inventory *inv_from = mgr->getInventory(from_inv);
515 0 : Inventory *inv_to = mgr->getInventory(to_inv);
516 0 : if(!inv_from || !inv_to)
517 0 : return;
518 :
519 0 : InventoryLocation current_player;
520 0 : current_player.setCurrentPlayer();
521 0 : Inventory *inv_player = mgr->getInventory(current_player);
522 0 : if(inv_from != inv_player || inv_to != inv_player)
523 0 : return;
524 :
525 0 : InventoryList *list_from = inv_from->getList(from_list);
526 0 : InventoryList *list_to = inv_to->getList(to_list);
527 0 : if(!list_from || !list_to)
528 0 : return;
529 :
530 0 : if (!move_somewhere)
531 0 : list_from->moveItem(from_i, list_to, to_i, count);
532 : else
533 0 : list_from->moveItemSomewhere(from_i, list_to, count);
534 :
535 0 : mgr->setInventoryModified(from_inv);
536 0 : if(inv_from != inv_to)
537 0 : mgr->setInventoryModified(to_inv);
538 : }
539 :
540 : /*
541 : IDropAction
542 : */
543 :
544 0 : IDropAction::IDropAction(std::istream &is)
545 : {
546 0 : std::string ts;
547 :
548 0 : std::getline(is, ts, ' ');
549 0 : count = stoi(ts);
550 :
551 0 : std::getline(is, ts, ' ');
552 0 : from_inv.deSerialize(ts);
553 :
554 0 : std::getline(is, from_list, ' ');
555 :
556 0 : std::getline(is, ts, ' ');
557 0 : from_i = stoi(ts);
558 0 : }
559 :
560 0 : void IDropAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGameDef *gamedef)
561 : {
562 0 : Inventory *inv_from = mgr->getInventory(from_inv);
563 :
564 0 : if(!inv_from){
565 0 : infostream<<"IDropAction::apply(): FAIL: source inventory not found: "
566 0 : <<"from_inv=\""<<from_inv.dump()<<"\""<<std::endl;
567 0 : return;
568 : }
569 :
570 0 : InventoryList *list_from = inv_from->getList(from_list);
571 :
572 : /*
573 : If a list doesn't exist or the source item doesn't exist
574 : */
575 0 : if(!list_from){
576 0 : infostream<<"IDropAction::apply(): FAIL: source list not found: "
577 0 : <<"from_inv=\""<<from_inv.dump()<<"\""<<std::endl;
578 0 : return;
579 : }
580 0 : if(list_from->getItem(from_i).empty())
581 : {
582 0 : infostream<<"IDropAction::apply(): FAIL: source item not found: "
583 0 : <<"from_inv=\""<<from_inv.dump()<<"\""
584 0 : <<", from_list=\""<<from_list<<"\""
585 0 : <<" from_i="<<from_i<<std::endl;
586 0 : return;
587 : }
588 :
589 : /*
590 : Do not handle rollback if inventory is player's
591 : */
592 0 : bool ignore_src_rollback = (from_inv.type == InventoryLocation::PLAYER);
593 :
594 : /*
595 : Collect information of endpoints
596 : */
597 :
598 0 : int take_count = list_from->getItem(from_i).count;
599 0 : if(count != 0 && count < take_count)
600 0 : take_count = count;
601 0 : int src_can_take_count = take_count;
602 :
603 : // Source is detached
604 0 : if(from_inv.type == InventoryLocation::DETACHED)
605 : {
606 0 : ItemStack src_item = list_from->getItem(from_i);
607 0 : src_item.count = take_count;
608 0 : src_can_take_count = PLAYER_TO_SA(player)->detached_inventory_AllowTake(
609 0 : from_inv.name, from_list, from_i, src_item, player);
610 : }
611 :
612 : // Source is nodemeta
613 0 : if(from_inv.type == InventoryLocation::NODEMETA)
614 : {
615 0 : ItemStack src_item = list_from->getItem(from_i);
616 0 : src_item.count = take_count;
617 0 : src_can_take_count = PLAYER_TO_SA(player)->nodemeta_inventory_AllowTake(
618 0 : from_inv.p, from_list, from_i, src_item, player);
619 : }
620 :
621 0 : if(src_can_take_count != -1 && src_can_take_count < take_count)
622 0 : take_count = src_can_take_count;
623 :
624 0 : int actually_dropped_count = 0;
625 :
626 0 : ItemStack src_item = list_from->getItem(from_i);
627 :
628 : // Drop the item
629 0 : ItemStack item1 = list_from->getItem(from_i);
630 0 : item1.count = take_count;
631 0 : if(PLAYER_TO_SA(player)->item_OnDrop(item1, player,
632 0 : player->getBasePosition() + v3f(0,1,0)))
633 : {
634 0 : actually_dropped_count = take_count - item1.count;
635 :
636 0 : if(actually_dropped_count == 0){
637 0 : infostream<<"Actually dropped no items"<<std::endl;
638 0 : return;
639 : }
640 :
641 : // If source isn't infinite
642 0 : if(src_can_take_count != -1){
643 : // Take item from source list
644 0 : ItemStack item2 = list_from->takeItem(from_i, actually_dropped_count);
645 :
646 0 : if(item2.count != actually_dropped_count)
647 0 : errorstream<<"Could not take dropped count of items"<<std::endl;
648 :
649 0 : mgr->setInventoryModified(from_inv, false);
650 : }
651 : }
652 :
653 0 : infostream<<"IDropAction::apply(): dropped "
654 0 : <<" from inv=\""<<from_inv.dump()<<"\""
655 0 : <<" list=\""<<from_list<<"\""
656 0 : <<" i="<<from_i
657 0 : <<std::endl;
658 :
659 0 : src_item.count = actually_dropped_count;
660 :
661 : /*
662 : Report drop to endpoints
663 : */
664 :
665 : // Source is detached
666 0 : if(from_inv.type == InventoryLocation::DETACHED)
667 : {
668 0 : PLAYER_TO_SA(player)->detached_inventory_OnTake(
669 0 : from_inv.name, from_list, from_i, src_item, player);
670 : }
671 :
672 : // Source is nodemeta
673 0 : if(from_inv.type == InventoryLocation::NODEMETA)
674 : {
675 0 : PLAYER_TO_SA(player)->nodemeta_inventory_OnTake(
676 0 : from_inv.p, from_list, from_i, src_item, player);
677 : }
678 :
679 : /*
680 : Record rollback information
681 : */
682 0 : if(!ignore_src_rollback && gamedef->rollback())
683 : {
684 0 : IRollbackManager *rollback = gamedef->rollback();
685 :
686 : // If source is not infinite, record item take
687 0 : if(src_can_take_count != -1){
688 0 : RollbackAction action;
689 0 : std::string loc;
690 : {
691 0 : std::ostringstream os(std::ios::binary);
692 0 : from_inv.serialize(os);
693 0 : loc = os.str();
694 : }
695 0 : action.setModifyInventoryStack(loc, from_list, from_i,
696 0 : false, src_item);
697 0 : rollback->reportAction(action);
698 : }
699 : }
700 : }
701 :
702 0 : void IDropAction::clientApply(InventoryManager *mgr, IGameDef *gamedef)
703 : {
704 : // Optional InventoryAction operation that is run on the client
705 : // to make lag less apparent.
706 :
707 0 : Inventory *inv_from = mgr->getInventory(from_inv);
708 0 : if(!inv_from)
709 0 : return;
710 :
711 0 : InventoryLocation current_player;
712 0 : current_player.setCurrentPlayer();
713 0 : Inventory *inv_player = mgr->getInventory(current_player);
714 0 : if(inv_from != inv_player)
715 0 : return;
716 :
717 0 : InventoryList *list_from = inv_from->getList(from_list);
718 0 : if(!list_from)
719 0 : return;
720 :
721 0 : if(count == 0)
722 0 : list_from->changeItem(from_i, ItemStack());
723 : else
724 0 : list_from->takeItem(from_i, count);
725 :
726 0 : mgr->setInventoryModified(from_inv);
727 : }
728 :
729 : /*
730 : ICraftAction
731 : */
732 :
733 0 : ICraftAction::ICraftAction(std::istream &is)
734 : {
735 0 : std::string ts;
736 :
737 0 : std::getline(is, ts, ' ');
738 0 : count = stoi(ts);
739 :
740 0 : std::getline(is, ts, ' ');
741 0 : craft_inv.deSerialize(ts);
742 0 : }
743 :
744 0 : void ICraftAction::apply(InventoryManager *mgr,
745 : ServerActiveObject *player, IGameDef *gamedef)
746 : {
747 0 : Inventory *inv_craft = mgr->getInventory(craft_inv);
748 :
749 0 : if (!inv_craft) {
750 0 : infostream << "ICraftAction::apply(): FAIL: inventory not found: "
751 0 : << "craft_inv=\"" << craft_inv.dump() << "\"" << std::endl;
752 0 : return;
753 : }
754 :
755 0 : InventoryList *list_craft = inv_craft->getList("craft");
756 0 : InventoryList *list_craftresult = inv_craft->getList("craftresult");
757 0 : InventoryList *list_main = inv_craft->getList("main");
758 :
759 : /*
760 : If a list doesn't exist or the source item doesn't exist
761 : */
762 0 : if (!list_craft) {
763 0 : infostream << "ICraftAction::apply(): FAIL: craft list not found: "
764 0 : << "craft_inv=\"" << craft_inv.dump() << "\"" << std::endl;
765 0 : return;
766 : }
767 0 : if (!list_craftresult) {
768 0 : infostream << "ICraftAction::apply(): FAIL: craftresult list not found: "
769 0 : << "craft_inv=\"" << craft_inv.dump() << "\"" << std::endl;
770 0 : return;
771 : }
772 0 : if (list_craftresult->getSize() < 1) {
773 0 : infostream << "ICraftAction::apply(): FAIL: craftresult list too short: "
774 0 : << "craft_inv=\"" << craft_inv.dump() << "\"" << std::endl;
775 0 : return;
776 : }
777 :
778 0 : ItemStack crafted;
779 0 : ItemStack craftresultitem;
780 0 : int count_remaining = count;
781 0 : std::vector<ItemStack> output_replacements;
782 0 : getCraftingResult(inv_craft, crafted, output_replacements, false, gamedef);
783 0 : PLAYER_TO_SA(player)->item_CraftPredict(crafted, player, list_craft, craft_inv);
784 0 : bool found = !crafted.empty();
785 :
786 0 : while (found && list_craftresult->itemFits(0, crafted)) {
787 0 : InventoryList saved_craft_list = *list_craft;
788 :
789 0 : std::vector<ItemStack> temp;
790 : // Decrement input and add crafting output
791 0 : getCraftingResult(inv_craft, crafted, temp, true, gamedef);
792 0 : PLAYER_TO_SA(player)->item_OnCraft(crafted, player, &saved_craft_list, craft_inv);
793 0 : list_craftresult->addItem(0, crafted);
794 0 : mgr->setInventoryModified(craft_inv);
795 :
796 : // Add the new replacements to the list
797 0 : IItemDefManager *itemdef = gamedef->getItemDefManager();
798 0 : for (std::vector<ItemStack>::iterator it = temp.begin();
799 0 : it != temp.end(); it++) {
800 0 : for (std::vector<ItemStack>::iterator jt = output_replacements.begin();
801 0 : jt != output_replacements.end(); jt++) {
802 0 : if (it->name == jt->name) {
803 0 : *it = jt->addItem(*it, itemdef);
804 0 : if (it->empty())
805 0 : continue;
806 : }
807 : }
808 0 : output_replacements.push_back(*it);
809 : }
810 :
811 0 : actionstream << player->getDescription()
812 0 : << " crafts "
813 0 : << crafted.getItemString()
814 0 : << std::endl;
815 :
816 : // Decrement counter
817 0 : if (count_remaining == 1)
818 0 : break;
819 0 : else if (count_remaining > 1)
820 0 : count_remaining--;
821 :
822 : // Get next crafting result
823 0 : found = getCraftingResult(inv_craft, crafted, temp, false, gamedef);
824 0 : PLAYER_TO_SA(player)->item_CraftPredict(crafted, player, list_craft, craft_inv);
825 0 : found = !crafted.empty();
826 : }
827 :
828 : // Put the replacements in the inventory or drop them on the floor, if
829 : // the invenotry is full
830 0 : for (std::vector<ItemStack>::iterator it = output_replacements.begin();
831 0 : it != output_replacements.end(); it++) {
832 0 : if (list_main)
833 0 : *it = list_main->addItem(*it);
834 0 : if (it->empty())
835 0 : continue;
836 0 : u16 count = it->count;
837 0 : do {
838 0 : PLAYER_TO_SA(player)->item_OnDrop(*it, player,
839 0 : player->getBasePosition() + v3f(0,1,0));
840 0 : if (count >= it->count) {
841 0 : errorstream << "Couldn't drop replacement stack " <<
842 0 : it->getItemString() << " because drop loop didn't "
843 0 : "decrease count." << std::endl;
844 :
845 0 : break;
846 : }
847 0 : } while (!it->empty());
848 : }
849 :
850 0 : infostream<<"ICraftAction::apply(): crafted "
851 0 : <<" craft_inv=\""<<craft_inv.dump()<<"\""
852 0 : <<std::endl;
853 : }
854 :
855 0 : void ICraftAction::clientApply(InventoryManager *mgr, IGameDef *gamedef)
856 : {
857 : // Optional InventoryAction operation that is run on the client
858 : // to make lag less apparent.
859 0 : }
860 :
861 :
862 : // Crafting helper
863 0 : bool getCraftingResult(Inventory *inv, ItemStack& result,
864 : std::vector<ItemStack> &output_replacements,
865 : bool decrementInput, IGameDef *gamedef)
866 : {
867 0 : DSTACK(__FUNCTION_NAME);
868 :
869 0 : result.clear();
870 :
871 : // Get the InventoryList in which we will operate
872 0 : InventoryList *clist = inv->getList("craft");
873 0 : if(!clist)
874 0 : return false;
875 :
876 : // Mangle crafting grid to an another format
877 0 : CraftInput ci;
878 0 : ci.method = CRAFT_METHOD_NORMAL;
879 0 : ci.width = clist->getWidth() ? clist->getWidth() : 3;
880 0 : for(u16 i=0; i<clist->getSize(); i++)
881 0 : ci.items.push_back(clist->getItem(i));
882 :
883 : // Find out what is crafted and add it to result item slot
884 0 : CraftOutput co;
885 0 : bool found = gamedef->getCraftDefManager()->getCraftResult(
886 0 : ci, co, output_replacements, decrementInput, gamedef);
887 0 : if(found)
888 0 : result.deSerialize(co.item, gamedef->getItemDefManager());
889 :
890 0 : if(found && decrementInput)
891 : {
892 : // CraftInput has been changed, apply changes in clist
893 0 : for(u16 i=0; i<clist->getSize(); i++)
894 : {
895 0 : clist->changeItem(i, ci.items[i]);
896 : }
897 : }
898 :
899 0 : return found;
900 3 : }
901 :
|
