3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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.
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.
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.
22 #include "irrlichttypes.h"
28 #include "inventory.h"
29 #include "util/serialize.h"
30 #include "util/string.h"
31 #include "util/numeric.h"
32 #include "util/strfnd.h"
33 #include "exceptions.h"
35 inline bool isGroupRecipeStr(const std::string &rec_name)
37 return str_starts_with(rec_name, std::string("group:"));
40 inline u64 getHashForString(const std::string &recipe_str)
42 /*errorstream << "Hashing craft string \"" << recipe_str << '"';*/
43 return murmur_hash_64_ua(recipe_str.data(), recipe_str.length(), 0xdeadbeef);
46 static u64 getHashForGrid(CraftHashType type, const std::vector<std::string> &grid_names)
49 case CRAFT_HASH_TYPE_ITEM_NAMES: {
50 std::ostringstream os;
52 for (const std::string &grid_name : grid_names) {
53 if (!grid_name.empty()) {
54 os << (is_first ? "" : "\n") << grid_name;
58 return getHashForString(os.str());
59 } case CRAFT_HASH_TYPE_COUNT: {
61 for (const std::string &grid_name : grid_names)
62 if (!grid_name.empty())
65 } case CRAFT_HASH_TYPE_UNHASHED:
68 // invalid CraftHashType
73 // Check if input matches recipe
74 // Takes recipe groups into account
75 static bool inputItemMatchesRecipe(const std::string &inp_name,
76 const std::string &rec_name, IItemDefManager *idef)
79 if (inp_name == rec_name)
83 if (isGroupRecipeStr(rec_name) && idef->isKnown(inp_name)) {
84 const struct ItemDefinition &def = idef->get(inp_name);
85 Strfnd f(rec_name.substr(6));
86 bool all_groups_match = true;
88 std::string check_group = f.next(",");
89 if (itemgroup_get(def.groups, check_group) == 0) {
90 all_groups_match = false;
93 } while (!f.at_end());
102 // Deserialize an itemstring then return the name of the item
103 static std::string craftGetItemName(const std::string &itemstring, IGameDef *gamedef)
106 item.deSerialize(itemstring, gamedef->idef());
110 // (mapcar craftGetItemName itemstrings)
111 static std::vector<std::string> craftGetItemNames(
112 const std::vector<std::string> &itemstrings, IGameDef *gamedef)
114 std::vector<std::string> result;
115 result.reserve(itemstrings.size());
116 for (const auto &itemstring : itemstrings) {
117 result.push_back(craftGetItemName(itemstring, gamedef));
122 // Get name of each item, and return them as a new list.
123 static std::vector<std::string> craftGetItemNames(
124 const std::vector<ItemStack> &items, IGameDef *gamedef)
126 std::vector<std::string> result;
127 result.reserve(items.size());
128 for (const auto &item : items) {
129 result.push_back(item.name);
134 // convert a list of item names, to ItemStacks.
135 static std::vector<ItemStack> craftGetItems(
136 const std::vector<std::string> &items, IGameDef *gamedef)
138 std::vector<ItemStack> result;
139 result.reserve(items.size());
140 for (const auto &item : items) {
141 result.emplace_back(std::string(item), (u16)1,
142 (u16)0, gamedef->getItemDefManager());
147 // Compute bounding rectangle given a matrix of items
148 // Returns false if every item is ""
149 static bool craftGetBounds(const std::vector<std::string> &items, unsigned int width,
150 unsigned int &min_x, unsigned int &max_x,
151 unsigned int &min_y, unsigned int &max_y)
153 bool success = false;
156 for (const std::string &item : items) {
157 // Is this an actual item?
160 // This is the first nonempty item
165 if (x < min_x) min_x = x;
166 if (x > max_x) max_x = x;
167 if (y < min_y) min_y = y;
168 if (y > max_y) max_y = y;
182 // Removes 1 from each item stack
183 static void craftDecrementInput(CraftInput &input, IGameDef *gamedef)
185 for (auto &item : input.items) {
191 // Removes 1 from each item stack with replacement support
192 // Example: if replacements contains the pair ("bucket:bucket_water", "bucket:bucket_empty"),
193 // a water bucket will not be removed but replaced by an empty bucket.
194 static void craftDecrementOrReplaceInput(CraftInput &input,
195 std::vector<ItemStack> &output_replacements,
196 const CraftReplacements &replacements,
199 if (replacements.pairs.empty()) {
200 craftDecrementInput(input, gamedef);
204 // Make a copy of the replacements pair list
205 std::vector<std::pair<std::string, std::string> > pairs = replacements.pairs;
207 for (auto &item : input.items) {
208 // Find an appropriate replacement
209 bool found_replacement = false;
210 for (auto j = pairs.begin(); j != pairs.end(); ++j) {
211 if (inputItemMatchesRecipe(item.name, j->first, gamedef->idef())) {
212 if (item.count == 1) {
213 item.deSerialize(j->second, gamedef->idef());
214 found_replacement = true;
220 rep.deSerialize(j->second, gamedef->idef());
222 found_replacement = true;
223 output_replacements.push_back(rep);
228 // No replacement was found, simply decrement count by one
229 if (!found_replacement && item.count > 0)
234 // Dump an itemstring matrix
235 static std::string craftDumpMatrix(const std::vector<std::string> &items,
238 std::ostringstream os(std::ios::binary);
241 for(std::vector<std::string>::size_type i = 0;
242 i < items.size(); i++, x++) {
249 os << '"' << items[i] << '"';
255 // Dump an item matrix
256 std::string craftDumpMatrix(const std::vector<ItemStack> &items,
259 std::ostringstream os(std::ios::binary);
262 for (std::vector<ItemStack>::size_type i = 0;
263 i < items.size(); i++, x++) {
270 os << '"' << (items[i].getItemString()) << '"';
281 std::string CraftInput::dump() const
283 std::ostringstream os(std::ios::binary);
284 os << "(method=" << ((int)method) << ", items="
285 << craftDumpMatrix(items, width) << ")";
293 std::string CraftOutput::dump() const
295 std::ostringstream os(std::ios::binary);
296 os << "(item=\"" << item << "\", time=" << time << ")";
304 std::string CraftReplacements::dump() const
306 std::ostringstream os(std::ios::binary);
308 const char *sep = "";
309 for (const auto &repl_p : pairs) {
311 << '"' << (repl_p.first)
312 << "\"=>\"" << (repl_p.second) << '"';
320 CraftDefinitionShaped
323 std::string CraftDefinitionShaped::getName() const
328 bool CraftDefinitionShaped::check(const CraftInput &input, IGameDef *gamedef) const
330 if (input.method != CRAFT_METHOD_NORMAL)
333 // Get input item matrix
334 std::vector<std::string> inp_names = craftGetItemNames(input.items, gamedef);
335 unsigned int inp_width = input.width;
338 while (inp_names.size() % inp_width != 0)
339 inp_names.emplace_back("");
342 unsigned int inp_min_x = 0, inp_max_x = 0, inp_min_y = 0, inp_max_y = 0;
343 if (!craftGetBounds(inp_names, inp_width, inp_min_x, inp_max_x,
344 inp_min_y, inp_max_y))
345 return false; // it was empty
347 std::vector<std::string> rec_names;
349 rec_names = recipe_names;
351 rec_names = craftGetItemNames(recipe, gamedef);
353 // Get recipe item matrix
354 unsigned int rec_width = width;
357 while (rec_names.size() % rec_width != 0)
358 rec_names.emplace_back("");
361 unsigned int rec_min_x=0, rec_max_x=0, rec_min_y=0, rec_max_y=0;
362 if (!craftGetBounds(rec_names, rec_width, rec_min_x, rec_max_x,
363 rec_min_y, rec_max_y))
364 return false; // it was empty
367 if (inp_max_x - inp_min_x != rec_max_x - rec_min_x ||
368 inp_max_y - inp_min_y != rec_max_y - rec_min_y)
371 // Verify that all item names in the bounding box are equal
372 unsigned int w = inp_max_x - inp_min_x + 1;
373 unsigned int h = inp_max_y - inp_min_y + 1;
375 for (unsigned int y=0; y < h; y++) {
376 unsigned int inp_y = (inp_min_y + y) * inp_width;
377 unsigned int rec_y = (rec_min_y + y) * rec_width;
379 for (unsigned int x=0; x < w; x++) {
380 unsigned int inp_x = inp_min_x + x;
381 unsigned int rec_x = rec_min_x + x;
383 if (!inputItemMatchesRecipe(
384 inp_names[inp_y + inp_x],
385 rec_names[rec_y + rec_x], gamedef->idef())) {
394 CraftOutput CraftDefinitionShaped::getOutput(const CraftInput &input, IGameDef *gamedef) const
396 return CraftOutput(output, 0);
399 CraftInput CraftDefinitionShaped::getInput(const CraftOutput &output, IGameDef *gamedef) const
401 return CraftInput(CRAFT_METHOD_NORMAL,width,craftGetItems(recipe,gamedef));
404 void CraftDefinitionShaped::decrementInput(CraftInput &input, std::vector<ItemStack> &output_replacements,
405 IGameDef *gamedef) const
407 craftDecrementOrReplaceInput(input, output_replacements, replacements, gamedef);
410 u64 CraftDefinitionShaped::getHash(CraftHashType type) const
412 assert(hash_inited); // Pre-condition
413 assert((type == CRAFT_HASH_TYPE_ITEM_NAMES)
414 || (type == CRAFT_HASH_TYPE_COUNT)); // Pre-condition
416 std::vector<std::string> rec_names = recipe_names;
417 std::sort(rec_names.begin(), rec_names.end());
418 return getHashForGrid(type, rec_names);
421 void CraftDefinitionShaped::initHash(IGameDef *gamedef)
426 recipe_names = craftGetItemNames(recipe, gamedef);
428 bool has_group = false;
429 for (const auto &recipe_name : recipe_names) {
430 if (isGroupRecipeStr(recipe_name)) {
435 hash_type = has_group ? CRAFT_HASH_TYPE_COUNT : CRAFT_HASH_TYPE_ITEM_NAMES;
438 std::string CraftDefinitionShaped::dump() const
440 std::ostringstream os(std::ios::binary);
441 os << "(shaped, output=\"" << output
442 << "\", recipe=" << craftDumpMatrix(recipe, width)
443 << ", replacements=" << replacements.dump() << ")";
448 CraftDefinitionShapeless
451 std::string CraftDefinitionShapeless::getName() const
456 bool CraftDefinitionShapeless::check(const CraftInput &input, IGameDef *gamedef) const
458 if (input.method != CRAFT_METHOD_NORMAL)
461 // Filter empty items out of input
462 std::vector<std::string> input_filtered;
463 for (const auto &item : input.items) {
464 if (!item.name.empty())
465 input_filtered.push_back(item.name);
468 // If there is a wrong number of items in input, no match
469 if (input_filtered.size() != recipe.size()) {
470 /*dstream<<"Number of input items ("<<input_filtered.size()
471 <<") does not match recipe size ("<<recipe.size()<<") "
472 <<"of recipe with output="<<output<<std::endl;*/
476 std::vector<std::string> recipe_copy;
478 recipe_copy = recipe_names;
480 recipe_copy = craftGetItemNames(recipe, gamedef);
481 std::sort(recipe_copy.begin(), recipe_copy.end());
484 // Try with all permutations of the recipe,
485 // start from the lexicographically first permutation (=sorted),
486 // recipe_names is pre-sorted
488 // If all items match, the recipe matches
489 bool all_match = true;
490 //dstream<<"Testing recipe (output="<<output<<"):";
491 for (size_t i=0; i<recipe.size(); i++) {
492 //dstream<<" ("<<input_filtered[i]<<" == "<<recipe_copy[i]<<")";
493 if (!inputItemMatchesRecipe(input_filtered[i], recipe_copy[i],
499 //dstream<<" -> match="<<all_match<<std::endl;
502 } while (std::next_permutation(recipe_copy.begin(), recipe_copy.end()));
507 CraftOutput CraftDefinitionShapeless::getOutput(const CraftInput &input, IGameDef *gamedef) const
509 return CraftOutput(output, 0);
512 CraftInput CraftDefinitionShapeless::getInput(const CraftOutput &output, IGameDef *gamedef) const
514 return CraftInput(CRAFT_METHOD_NORMAL, 0, craftGetItems(recipe, gamedef));
517 void CraftDefinitionShapeless::decrementInput(CraftInput &input, std::vector<ItemStack> &output_replacements,
518 IGameDef *gamedef) const
520 craftDecrementOrReplaceInput(input, output_replacements, replacements, gamedef);
523 u64 CraftDefinitionShapeless::getHash(CraftHashType type) const
525 assert(hash_inited); // Pre-condition
526 assert(type == CRAFT_HASH_TYPE_ITEM_NAMES
527 || type == CRAFT_HASH_TYPE_COUNT); // Pre-condition
528 return getHashForGrid(type, recipe_names);
531 void CraftDefinitionShapeless::initHash(IGameDef *gamedef)
536 recipe_names = craftGetItemNames(recipe, gamedef);
537 std::sort(recipe_names.begin(), recipe_names.end());
539 bool has_group = false;
540 for (const auto &recipe_name : recipe_names) {
541 if (isGroupRecipeStr(recipe_name)) {
546 hash_type = has_group ? CRAFT_HASH_TYPE_COUNT : CRAFT_HASH_TYPE_ITEM_NAMES;
549 std::string CraftDefinitionShapeless::dump() const
551 std::ostringstream os(std::ios::binary);
552 os << "(shapeless, output=\"" << output
553 << "\", recipe=" << craftDumpMatrix(recipe, recipe.size())
554 << ", replacements=" << replacements.dump() << ")";
559 CraftDefinitionToolRepair
562 static ItemStack craftToolRepair(
563 const ItemStack &item1,
564 const ItemStack &item2,
565 float additional_wear,
568 IItemDefManager *idef = gamedef->idef();
569 if (item1.count != 1 || item2.count != 1 || item1.name != item2.name
570 || idef->get(item1.name).type != ITEM_TOOL
571 || itemgroup_get(idef->get(item1.name).groups, "disable_repair") == 1) {
576 s32 item1_uses = 65536 - (u32) item1.wear;
577 s32 item2_uses = 65536 - (u32) item2.wear;
578 s32 new_uses = item1_uses + item2_uses;
579 s32 new_wear = 65536 - new_uses + floor(additional_wear * 65536 + 0.5);
580 if (new_wear >= 65536)
585 ItemStack repaired = item1;
586 repaired.wear = new_wear;
590 std::string CraftDefinitionToolRepair::getName() const
595 bool CraftDefinitionToolRepair::check(const CraftInput &input, IGameDef *gamedef) const
597 if (input.method != CRAFT_METHOD_NORMAL)
602 for (const auto &item : input.items) {
606 else if (item2.empty())
612 ItemStack repaired = craftToolRepair(item1, item2, additional_wear, gamedef);
613 return !repaired.empty();
616 CraftOutput CraftDefinitionToolRepair::getOutput(const CraftInput &input, IGameDef *gamedef) const
620 for (const auto &item : input.items) {
624 else if (item2.empty())
628 ItemStack repaired = craftToolRepair(item1, item2, additional_wear, gamedef);
629 return CraftOutput(repaired.getItemString(), 0);
632 CraftInput CraftDefinitionToolRepair::getInput(const CraftOutput &output, IGameDef *gamedef) const
634 std::vector<ItemStack> stack;
635 stack.emplace_back();
636 return CraftInput(CRAFT_METHOD_COOKING, additional_wear, stack);
639 void CraftDefinitionToolRepair::decrementInput(CraftInput &input, std::vector<ItemStack> &output_replacements,
640 IGameDef *gamedef) const
642 craftDecrementInput(input, gamedef);
645 std::string CraftDefinitionToolRepair::dump() const
647 std::ostringstream os(std::ios::binary);
648 os << "(toolrepair, additional_wear=" << additional_wear << ")";
653 CraftDefinitionCooking
656 std::string CraftDefinitionCooking::getName() const
661 bool CraftDefinitionCooking::check(const CraftInput &input, IGameDef *gamedef) const
663 if (input.method != CRAFT_METHOD_COOKING)
666 // Filter empty items out of input
667 std::vector<std::string> input_filtered;
668 for (const auto &item : input.items) {
669 const std::string &name = item.name;
671 input_filtered.push_back(name);
674 // If there is a wrong number of items in input, no match
675 if (input_filtered.size() != 1) {
676 /*dstream<<"Number of input items ("<<input_filtered.size()
677 <<") does not match recipe size (1) "
678 <<"of cooking recipe with output="<<output<<std::endl;*/
682 // Check the single input item
683 return inputItemMatchesRecipe(input_filtered[0], recipe, gamedef->idef());
686 CraftOutput CraftDefinitionCooking::getOutput(const CraftInput &input, IGameDef *gamedef) const
688 return CraftOutput(output, cooktime);
691 CraftInput CraftDefinitionCooking::getInput(const CraftOutput &output, IGameDef *gamedef) const
693 std::vector<std::string> rec;
694 rec.push_back(recipe);
695 return CraftInput(CRAFT_METHOD_COOKING,cooktime,craftGetItems(rec,gamedef));
698 void CraftDefinitionCooking::decrementInput(CraftInput &input, std::vector<ItemStack> &output_replacements,
699 IGameDef *gamedef) const
701 craftDecrementOrReplaceInput(input, output_replacements, replacements, gamedef);
704 u64 CraftDefinitionCooking::getHash(CraftHashType type) const
706 if (type == CRAFT_HASH_TYPE_ITEM_NAMES) {
707 return getHashForString(recipe_name);
710 if (type == CRAFT_HASH_TYPE_COUNT) {
714 // illegal hash type for this CraftDefinition (pre-condition)
719 void CraftDefinitionCooking::initHash(IGameDef *gamedef)
724 recipe_name = craftGetItemName(recipe, gamedef);
726 if (isGroupRecipeStr(recipe_name))
727 hash_type = CRAFT_HASH_TYPE_COUNT;
729 hash_type = CRAFT_HASH_TYPE_ITEM_NAMES;
732 std::string CraftDefinitionCooking::dump() const
734 std::ostringstream os(std::ios::binary);
735 os << "(cooking, output=\"" << output
736 << "\", recipe=\"" << recipe
737 << "\", cooktime=" << cooktime << ")"
738 << ", replacements=" << replacements.dump() << ")";
746 std::string CraftDefinitionFuel::getName() const
751 bool CraftDefinitionFuel::check(const CraftInput &input, IGameDef *gamedef) const
753 if (input.method != CRAFT_METHOD_FUEL)
756 // Filter empty items out of input
757 std::vector<std::string> input_filtered;
758 for (const auto &item : input.items) {
759 const std::string &name = item.name;
761 input_filtered.push_back(name);
764 // If there is a wrong number of items in input, no match
765 if (input_filtered.size() != 1) {
766 /*dstream<<"Number of input items ("<<input_filtered.size()
767 <<") does not match recipe size (1) "
768 <<"of fuel recipe with burntime="<<burntime<<std::endl;*/
772 // Check the single input item
773 return inputItemMatchesRecipe(input_filtered[0], recipe, gamedef->idef());
776 CraftOutput CraftDefinitionFuel::getOutput(const CraftInput &input, IGameDef *gamedef) const
778 return CraftOutput("", burntime);
781 CraftInput CraftDefinitionFuel::getInput(const CraftOutput &output, IGameDef *gamedef) const
783 std::vector<std::string> rec;
784 rec.push_back(recipe);
785 return CraftInput(CRAFT_METHOD_COOKING,(int)burntime,craftGetItems(rec,gamedef));
788 void CraftDefinitionFuel::decrementInput(CraftInput &input, std::vector<ItemStack> &output_replacements,
789 IGameDef *gamedef) const
791 craftDecrementOrReplaceInput(input, output_replacements, replacements, gamedef);
794 u64 CraftDefinitionFuel::getHash(CraftHashType type) const
796 if (type == CRAFT_HASH_TYPE_ITEM_NAMES) {
797 return getHashForString(recipe_name);
800 if (type == CRAFT_HASH_TYPE_COUNT) {
804 // illegal hash type for this CraftDefinition (pre-condition)
809 void CraftDefinitionFuel::initHash(IGameDef *gamedef)
814 recipe_name = craftGetItemName(recipe, gamedef);
816 if (isGroupRecipeStr(recipe_name))
817 hash_type = CRAFT_HASH_TYPE_COUNT;
819 hash_type = CRAFT_HASH_TYPE_ITEM_NAMES;
822 std::string CraftDefinitionFuel::dump() const
824 std::ostringstream os(std::ios::binary);
825 os << "(fuel, recipe=\"" << recipe
826 << "\", burntime=" << burntime << ")"
827 << ", replacements=" << replacements.dump() << ")";
832 Craft definition manager
835 class CCraftDefManager: public IWritableCraftDefManager
840 m_craft_defs.resize(craft_hash_type_max + 1);
843 virtual ~CCraftDefManager()
848 virtual bool getCraftResult(CraftInput &input, CraftOutput &output,
849 std::vector<ItemStack> &output_replacement, bool decrementInput,
850 IGameDef *gamedef) const
855 // If all input items are empty, abort.
856 bool all_empty = true;
857 for (const auto &item : input.items) {
866 std::vector<std::string> input_names;
867 input_names = craftGetItemNames(input.items, gamedef);
868 std::sort(input_names.begin(), input_names.end());
870 // Try hash types with increasing collision rate, and return if found.
871 for (int type = 0; type <= craft_hash_type_max; type++) {
872 u64 hash = getHashForGrid((CraftHashType) type, input_names);
874 /*errorstream << "Checking type " << type << " with hash " << hash << std::endl;*/
876 // We'd like to do "const [...] hash_collisions = m_craft_defs[type][hash];"
877 // but that doesn't compile for some reason. This does.
878 auto col_iter = (m_craft_defs[type]).find(hash);
880 if (col_iter == (m_craft_defs[type]).end())
883 const std::vector<CraftDefinition*> &hash_collisions = col_iter->second;
884 // Walk crafting definitions from back to front, so that later
885 // definitions can override earlier ones.
886 for (std::vector<CraftDefinition*>::size_type
887 i = hash_collisions.size(); i > 0; i--) {
888 CraftDefinition *def = hash_collisions[i - 1];
890 /*errorstream << "Checking " << input.dump() << std::endl
891 << " against " << def->dump() << std::endl;*/
893 if (def->check(input, gamedef)) {
894 // Check if the crafted node/item exists
895 CraftOutput out = def->getOutput(input, gamedef);
897 is.deSerialize(out.item, gamedef->idef());
898 if (!is.isKnown(gamedef->idef())) {
899 infostream << "trying to craft non-existent "
900 << out.item << ", ignoring recipe" << std::endl;
904 // Get output, then decrement input (if requested)
908 def->decrementInput(input, output_replacement, gamedef);
909 /*errorstream << "Check RETURNS TRUE" << std::endl;*/
917 virtual std::vector<CraftDefinition*> getCraftRecipes(CraftOutput &output,
918 IGameDef *gamedef, unsigned limit=0) const
920 std::vector<CraftDefinition*> recipes;
922 auto vec_iter = m_output_craft_definitions.find(output.item);
924 if (vec_iter == m_output_craft_definitions.end())
927 const std::vector<CraftDefinition*> &vec = vec_iter->second;
929 recipes.reserve(limit ? MYMIN(limit, vec.size()) : vec.size());
931 for (std::vector<CraftDefinition*>::size_type i = vec.size();
933 CraftDefinition *def = vec[i - 1];
934 if (limit && recipes.size() >= limit)
936 recipes.push_back(def);
942 virtual bool clearCraftRecipesByOutput(const CraftOutput &output, IGameDef *gamedef)
944 auto vec_iter = m_output_craft_definitions.find(output.item);
946 if (vec_iter == m_output_craft_definitions.end())
949 std::vector<CraftDefinition*> &vec = vec_iter->second;
950 for (auto def : vec) {
951 // Recipes are not yet hashed at this point
952 std::vector<CraftDefinition*> &unhashed_inputs_vec = m_craft_defs[(int) CRAFT_HASH_TYPE_UNHASHED][0];
953 std::vector<CraftDefinition*> new_vec_by_input;
954 /* We will preallocate necessary memory addresses, so we don't need to reallocate them later.
955 This would save us some performance. */
956 new_vec_by_input.reserve(unhashed_inputs_vec.size());
957 for (auto &i2 : unhashed_inputs_vec) {
959 new_vec_by_input.push_back(i2);
962 m_craft_defs[(int) CRAFT_HASH_TYPE_UNHASHED][0].swap(new_vec_by_input);
964 m_output_craft_definitions.erase(output.item);
968 virtual bool clearCraftRecipesByInput(CraftMethod craft_method, unsigned int craft_grid_width,
969 const std::vector<std::string> &recipe, IGameDef *gamedef)
971 bool all_empty = true;
972 for (const auto &i : recipe) {
981 CraftInput input(craft_method, craft_grid_width, craftGetItems(recipe, gamedef));
982 // Recipes are not yet hashed at this point
983 std::vector<CraftDefinition*> &unhashed_inputs_vec = m_craft_defs[(int) CRAFT_HASH_TYPE_UNHASHED][0];
984 std::vector<CraftDefinition*> new_vec_by_input;
985 bool got_hit = false;
986 for (std::vector<CraftDefinition*>::size_type
987 i = unhashed_inputs_vec.size(); i > 0; i--) {
988 CraftDefinition *def = unhashed_inputs_vec[i - 1];
989 /* If the input doesn't match the recipe definition, this recipe definition later
990 will be added back in source map. */
991 if (!def->check(input, gamedef)) {
992 new_vec_by_input.push_back(def);
995 CraftOutput output = def->getOutput(input, gamedef);
997 auto vec_iter = m_output_craft_definitions.find(output.item);
998 if (vec_iter == m_output_craft_definitions.end())
1000 std::vector<CraftDefinition*> &vec = vec_iter->second;
1001 std::vector<CraftDefinition*> new_vec_by_output;
1002 /* We will preallocate necessary memory addresses, so we don't need
1003 to reallocate them later. This would save us some performance. */
1004 new_vec_by_output.reserve(vec.size());
1005 for (auto &vec_i : vec) {
1006 /* If pointers from map by input and output are not same,
1007 we will add 'CraftDefinition*' to a new vector. */
1009 /* Adding dereferenced iterator value (which are
1010 'CraftDefinition' reference) to a new vector. */
1011 new_vec_by_output.push_back(vec_i);
1014 // Swaps assigned to current key value with new vector for output map.
1015 m_output_craft_definitions[output.item].swap(new_vec_by_output);
1018 // Swaps value with new vector for input map.
1019 m_craft_defs[(int) CRAFT_HASH_TYPE_UNHASHED][0].swap(new_vec_by_input);
1024 virtual std::string dump() const
1026 std::ostringstream os(std::ios::binary);
1027 os << "Crafting definitions:\n";
1028 for (int type = 0; type <= craft_hash_type_max; ++type) {
1029 for (auto it = m_craft_defs[type].begin();
1030 it != m_craft_defs[type].end(); ++it) {
1031 for (std::vector<CraftDefinition*>::size_type i = 0;
1032 i < it->second.size(); i++) {
1033 os << "type " << type
1034 << " hash " << it->first
1035 << " def " << it->second[i]->dump()
1042 virtual void registerCraft(CraftDefinition *def, IGameDef *gamedef)
1044 verbosestream << "registerCraft: registering craft definition: "
1045 << def->dump() << std::endl;
1046 m_craft_defs[(int) CRAFT_HASH_TYPE_UNHASHED][0].push_back(def);
1049 std::string output_name = craftGetItemName(
1050 def->getOutput(input, gamedef).item, gamedef);
1051 m_output_craft_definitions[output_name].push_back(def);
1053 virtual void clear()
1055 for (int type = 0; type <= craft_hash_type_max; ++type) {
1056 for (auto &it : m_craft_defs[type]) {
1057 for (auto &iit : it.second) {
1062 m_craft_defs[type].clear();
1064 m_output_craft_definitions.clear();
1066 virtual void initHashes(IGameDef *gamedef)
1068 // Move the CraftDefs from the unhashed layer into layers higher up.
1069 std::vector<CraftDefinition *> &unhashed =
1070 m_craft_defs[(int) CRAFT_HASH_TYPE_UNHASHED][0];
1071 for (auto def : unhashed) {
1072 // Initialize and get the definition's hash
1073 def->initHash(gamedef);
1074 CraftHashType type = def->getHashType();
1075 u64 hash = def->getHash(type);
1077 // Enter the definition
1078 m_craft_defs[type][hash].push_back(def);
1083 std::vector<std::unordered_map<u64, std::vector<CraftDefinition*> > >
1085 std::unordered_map<std::string, std::vector<CraftDefinition*> >
1086 m_output_craft_definitions;
1089 IWritableCraftDefManager* createCraftDefManager()
1091 return new CCraftDefManager();