/*
-Minetest-c55
-Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "irrlichttypes.h"
#include "log.h"
#include <sstream>
-#include "utility.h"
+#include <set>
+#include <algorithm>
#include "gamedef.h"
#include "inventory.h"
+#include "util/serialize.h"
+#include "util/string.h"
+#include "util/numeric.h"
+#include "util/strfnd.h"
+#include "exceptions.h"
-CraftPointerInput::~CraftPointerInput()
+inline bool isGroupRecipeStr(const std::string &rec_name)
{
- for(u32 i=0; i<items.size(); i++)
- delete items[i];
+ return str_starts_with(rec_name, std::string("group:"));
}
-CraftPointerInput createPointerInput(const CraftInput &ci, IGameDef *gamedef)
+static bool hasGroupItem(const std::vector<std::string> &recipe)
{
- std::vector<InventoryItem*> items;
- for(u32 i=0; i<ci.items.size(); i++){
- InventoryItem *item = NULL;
- if(ci.items[i] != ""){
- std::istringstream iss(ci.items[i], std::ios::binary);
- item = InventoryItem::deSerialize(iss, gamedef);
+ for (const auto &item : recipe) {
+ if (isGroupRecipeStr(item))
+ return true;
+ }
+ return false;
+}
+
+inline u64 getHashForString(const std::string &recipe_str)
+{
+ /*errorstream << "Hashing craft string \"" << recipe_str << '"';*/
+ return murmur_hash_64_ua(recipe_str.data(), recipe_str.length(), 0xdeadbeef);
+}
+
+static u64 getHashForGrid(CraftHashType type, const std::vector<std::string> &grid_names)
+{
+ switch (type) {
+ case CRAFT_HASH_TYPE_ITEM_NAMES: {
+ std::ostringstream os;
+ bool is_first = true;
+ for (const std::string &grid_name : grid_names) {
+ if (!grid_name.empty()) {
+ os << (is_first ? "" : "\n") << grid_name;
+ is_first = false;
+ }
+ }
+ return getHashForString(os.str());
+ } case CRAFT_HASH_TYPE_COUNT: {
+ u64 cnt = 0;
+ for (const std::string &grid_name : grid_names)
+ if (!grid_name.empty())
+ cnt++;
+ return cnt;
+ } case CRAFT_HASH_TYPE_UNHASHED:
+ return 0;
+ }
+ // invalid CraftHashType
+ assert(false);
+ return 0;
+}
+
+// Check if input matches recipe
+// Takes recipe groups into account
+static bool inputItemMatchesRecipe(const std::string &inp_name,
+ const std::string &rec_name, IItemDefManager *idef)
+{
+ // Exact name
+ if (inp_name == rec_name)
+ return true;
+
+ // Group
+ if (isGroupRecipeStr(rec_name) && idef->isKnown(inp_name)) {
+ const struct ItemDefinition &def = idef->get(inp_name);
+ Strfnd f(rec_name.substr(6));
+ bool all_groups_match = true;
+ do {
+ std::string check_group = f.next(",");
+ if (itemgroup_get(def.groups, check_group) == 0) {
+ all_groups_match = false;
+ break;
+ }
+ } while (!f.at_end());
+ if (all_groups_match)
+ return true;
+ }
+
+ // Didn't match
+ return false;
+}
+
+// Deserialize an itemstring then return the name of the item
+static std::string craftGetItemName(const std::string &itemstring, IGameDef *gamedef)
+{
+ ItemStack item;
+ item.deSerialize(itemstring, gamedef->idef());
+ return item.name;
+}
+
+// (mapcar craftGetItemName itemstrings)
+static std::vector<std::string> craftGetItemNames(
+ const std::vector<std::string> &itemstrings, IGameDef *gamedef)
+{
+ std::vector<std::string> result;
+ result.reserve(itemstrings.size());
+ for (const auto &itemstring : itemstrings) {
+ result.push_back(craftGetItemName(itemstring, gamedef));
+ }
+ return result;
+}
+
+// Get name of each item, and return them as a new list.
+static std::vector<std::string> craftGetItemNames(
+ const std::vector<ItemStack> &items, IGameDef *gamedef)
+{
+ std::vector<std::string> result;
+ result.reserve(items.size());
+ for (const auto &item : items) {
+ result.push_back(item.name);
+ }
+ return result;
+}
+
+// convert a list of item names, to ItemStacks.
+static std::vector<ItemStack> craftGetItems(
+ const std::vector<std::string> &items, IGameDef *gamedef)
+{
+ std::vector<ItemStack> result;
+ result.reserve(items.size());
+ for (const auto &item : items) {
+ result.emplace_back(std::string(item), (u16)1,
+ (u16)0, gamedef->getItemDefManager());
+ }
+ return result;
+}
+
+// Compute bounding rectangle given a matrix of items
+// Returns false if every item is ""
+static bool craftGetBounds(const std::vector<std::string> &items, unsigned int width,
+ unsigned int &min_x, unsigned int &max_x,
+ unsigned int &min_y, unsigned int &max_y)
+{
+ bool success = false;
+ unsigned int x = 0;
+ unsigned int y = 0;
+ for (const std::string &item : items) {
+ // Is this an actual item?
+ if (!item.empty()) {
+ if (!success) {
+ // This is the first nonempty item
+ min_x = max_x = x;
+ min_y = max_y = y;
+ success = true;
+ } else {
+ if (x < min_x) min_x = x;
+ if (x > max_x) max_x = x;
+ if (y < min_y) min_y = y;
+ if (y > max_y) max_y = y;
+ }
}
- items.push_back(item);
+
+ // Step coordinate
+ x++;
+ if (x == width) {
+ x = 0;
+ y++;
+ }
+ }
+ return success;
+}
+
+// Removes 1 from each item stack
+static void craftDecrementInput(CraftInput &input, IGameDef *gamedef)
+{
+ for (auto &item : input.items) {
+ if (item.count != 0)
+ item.remove(1);
}
- return CraftPointerInput(ci.width, items);
}
-CraftInput createInput(const CraftPointerInput &cpi)
+// Removes 1 from each item stack with replacement support
+// Example: if replacements contains the pair ("bucket:bucket_water", "bucket:bucket_empty"),
+// a water bucket will not be removed but replaced by an empty bucket.
+static void craftDecrementOrReplaceInput(CraftInput &input,
+ std::vector<ItemStack> &output_replacements,
+ const CraftReplacements &replacements,
+ IGameDef *gamedef)
{
- std::vector<std::string> items;
- for(u32 i=0; i<cpi.items.size(); i++){
- if(cpi.items[i] == NULL)
- items.push_back("");
- else{
- std::ostringstream oss(std::ios::binary);
- cpi.items[i]->serialize(oss);
- items.push_back(oss.str());
+ if (replacements.pairs.empty()) {
+ craftDecrementInput(input, gamedef);
+ return;
+ }
+
+ // Make a copy of the replacements pair list
+ std::vector<std::pair<std::string, std::string> > pairs = replacements.pairs;
+
+ for (auto &item : input.items) {
+ // Find an appropriate replacement
+ bool found_replacement = false;
+ for (auto j = pairs.begin(); j != pairs.end(); ++j) {
+ if (inputItemMatchesRecipe(item.name, j->first, gamedef->idef())) {
+ if (item.count == 1) {
+ item.deSerialize(j->second, gamedef->idef());
+ found_replacement = true;
+ pairs.erase(j);
+ break;
+ }
+
+ ItemStack rep;
+ rep.deSerialize(j->second, gamedef->idef());
+ item.remove(1);
+ found_replacement = true;
+ output_replacements.push_back(rep);
+ break;
+
+ }
}
+ // No replacement was found, simply decrement count by one
+ if (!found_replacement && item.count > 0)
+ item.remove(1);
+ }
+}
+
+// Dump an itemstring matrix
+static std::string craftDumpMatrix(const std::vector<std::string> &items,
+ unsigned int width)
+{
+ std::ostringstream os(std::ios::binary);
+ os << "{ ";
+ unsigned int x = 0;
+ for(std::vector<std::string>::size_type i = 0;
+ i < items.size(); i++, x++) {
+ if (x == width) {
+ os << "; ";
+ x = 0;
+ } else if (x != 0) {
+ os << ",";
+ }
+ os << '"' << items[i] << '"';
+ }
+ os << " }";
+ return os.str();
+}
+
+// Dump an item matrix
+std::string craftDumpMatrix(const std::vector<ItemStack> &items,
+ unsigned int width)
+{
+ std::ostringstream os(std::ios::binary);
+ os << "{ ";
+ unsigned int x = 0;
+ for (std::vector<ItemStack>::size_type i = 0;
+ i < items.size(); i++, x++) {
+ if (x == width) {
+ os << "; ";
+ x = 0;
+ } else if (x != 0) {
+ os << ",";
+ }
+ os << '"' << (items[i].getItemString()) << '"';
+ }
+ os << " }";
+ return os.str();
+}
+
+
+/*
+ CraftInput
+*/
+
+bool CraftInput::empty() const
+{
+ for (const auto &item : items) {
+ if (!item.empty())
+ return false;
}
- return CraftInput(cpi.width, items);
+ return true;
}
std::string CraftInput::dump() const
{
std::ostringstream os(std::ios::binary);
- os<<"(width="<<width<<"){";
- for(u32 i=0; i<items.size(); i++)
- os<<"\""<<items[i]<<"\",";
- os<<"}";
+ os << "(method=" << ((int)method) << ", items="
+ << craftDumpMatrix(items, width) << ")";
+ return os.str();
+}
+
+/*
+ CraftOutput
+*/
+
+std::string CraftOutput::dump() const
+{
+ std::ostringstream os(std::ios::binary);
+ os << "(item=\"" << item << "\", time=" << time << ")";
+ return os.str();
+}
+
+/*
+ CraftReplacements
+*/
+
+std::string CraftReplacements::dump() const
+{
+ std::ostringstream os(std::ios::binary);
+ os<<"{";
+ const char *sep = "";
+ for (const auto &repl_p : pairs) {
+ os << sep
+ << '"' << (repl_p.first)
+ << "\"=>\"" << (repl_p.second) << '"';
+ sep = ",";
+ }
+ os << "}";
+ return os.str();
+}
+
+/*
+ CraftDefinitionShaped
+*/
+
+CraftDefinitionShaped::CraftDefinitionShaped(
+ const std::string &output_,
+ unsigned int width_,
+ const std::vector<std::string> &recipe_,
+ const CraftReplacements &replacements_):
+ output(output_), width(width_), recipe(recipe_), replacements(replacements_)
+{
+ if (hasGroupItem(recipe))
+ priority = PRIORITY_SHAPED_AND_GROUPS;
+ else
+ priority = PRIORITY_SHAPED;
+}
+
+std::string CraftDefinitionShaped::getName() const
+{
+ return "shaped";
+}
+
+bool CraftDefinitionShaped::check(const CraftInput &input, IGameDef *gamedef) const
+{
+ if (input.method != CRAFT_METHOD_NORMAL)
+ return false;
+
+ // Get input item matrix
+ std::vector<std::string> inp_names = craftGetItemNames(input.items, gamedef);
+ unsigned int inp_width = input.width;
+ if (inp_width == 0)
+ return false;
+ while (inp_names.size() % inp_width != 0)
+ inp_names.emplace_back("");
+
+ // Get input bounds
+ unsigned int inp_min_x = 0, inp_max_x = 0, inp_min_y = 0, inp_max_y = 0;
+ if (!craftGetBounds(inp_names, inp_width, inp_min_x, inp_max_x,
+ inp_min_y, inp_max_y))
+ return false; // it was empty
+
+ std::vector<std::string> rec_names;
+ if (hash_inited)
+ rec_names = recipe_names;
+ else
+ rec_names = craftGetItemNames(recipe, gamedef);
+
+ // Get recipe item matrix
+ unsigned int rec_width = width;
+ if (rec_width == 0)
+ return false;
+ while (rec_names.size() % rec_width != 0)
+ rec_names.emplace_back("");
+
+ // Get recipe bounds
+ unsigned int rec_min_x=0, rec_max_x=0, rec_min_y=0, rec_max_y=0;
+ if (!craftGetBounds(rec_names, rec_width, rec_min_x, rec_max_x,
+ rec_min_y, rec_max_y))
+ return false; // it was empty
+
+ // Different sizes?
+ if (inp_max_x - inp_min_x != rec_max_x - rec_min_x ||
+ inp_max_y - inp_min_y != rec_max_y - rec_min_y)
+ return false;
+
+ // Verify that all item names in the bounding box are equal
+ unsigned int w = inp_max_x - inp_min_x + 1;
+ unsigned int h = inp_max_y - inp_min_y + 1;
+
+ for (unsigned int y=0; y < h; y++) {
+ unsigned int inp_y = (inp_min_y + y) * inp_width;
+ unsigned int rec_y = (rec_min_y + y) * rec_width;
+
+ for (unsigned int x=0; x < w; x++) {
+ unsigned int inp_x = inp_min_x + x;
+ unsigned int rec_x = rec_min_x + x;
+
+ if (!inputItemMatchesRecipe(
+ inp_names[inp_y + inp_x],
+ rec_names[rec_y + rec_x], gamedef->idef())) {
+ return false;
+ }
+ }
+ }
+
+ return true;
+}
+
+CraftOutput CraftDefinitionShaped::getOutput(const CraftInput &input, IGameDef *gamedef) const
+{
+ return CraftOutput(output, 0);
+}
+
+CraftInput CraftDefinitionShaped::getInput(const CraftOutput &output, IGameDef *gamedef) const
+{
+ return CraftInput(CRAFT_METHOD_NORMAL,width,craftGetItems(recipe,gamedef));
+}
+
+void CraftDefinitionShaped::decrementInput(CraftInput &input, std::vector<ItemStack> &output_replacements,
+ IGameDef *gamedef) const
+{
+ craftDecrementOrReplaceInput(input, output_replacements, replacements, gamedef);
+}
+
+u64 CraftDefinitionShaped::getHash(CraftHashType type) const
+{
+ assert(hash_inited); // Pre-condition
+ assert((type == CRAFT_HASH_TYPE_ITEM_NAMES)
+ || (type == CRAFT_HASH_TYPE_COUNT)); // Pre-condition
+
+ std::vector<std::string> rec_names = recipe_names;
+ std::sort(rec_names.begin(), rec_names.end());
+ return getHashForGrid(type, rec_names);
+}
+
+void CraftDefinitionShaped::initHash(IGameDef *gamedef)
+{
+ if (hash_inited)
+ return;
+ hash_inited = true;
+ recipe_names = craftGetItemNames(recipe, gamedef);
+
+ if (hasGroupItem(recipe_names))
+ hash_type = CRAFT_HASH_TYPE_COUNT;
+ else
+ hash_type = CRAFT_HASH_TYPE_ITEM_NAMES;
+}
+
+std::string CraftDefinitionShaped::dump() const
+{
+ std::ostringstream os(std::ios::binary);
+ os << "(shaped, output=\"" << output
+ << "\", recipe=" << craftDumpMatrix(recipe, width)
+ << ", replacements=" << replacements.dump() << ")";
+ return os.str();
+}
+
+/*
+ CraftDefinitionShapeless
+*/
+
+CraftDefinitionShapeless::CraftDefinitionShapeless(
+ const std::string &output_,
+ const std::vector<std::string> &recipe_,
+ const CraftReplacements &replacements_):
+ output(output_), recipe(recipe_), replacements(replacements_)
+{
+ if (hasGroupItem(recipe))
+ priority = PRIORITY_SHAPELESS_AND_GROUPS;
+ else
+ priority = PRIORITY_SHAPELESS;
+}
+
+std::string CraftDefinitionShapeless::getName() const
+{
+ return "shapeless";
+}
+
+bool CraftDefinitionShapeless::check(const CraftInput &input, IGameDef *gamedef) const
+{
+ if (input.method != CRAFT_METHOD_NORMAL)
+ return false;
+
+ // Filter empty items out of input
+ std::vector<std::string> input_filtered;
+ for (const auto &item : input.items) {
+ if (!item.name.empty())
+ input_filtered.push_back(item.name);
+ }
+
+ // If there is a wrong number of items in input, no match
+ if (input_filtered.size() != recipe.size()) {
+ /*dstream<<"Number of input items ("<<input_filtered.size()
+ <<") does not match recipe size ("<<recipe.size()<<") "
+ <<"of recipe with output="<<output<<std::endl;*/
+ return false;
+ }
+
+ std::vector<std::string> recipe_copy;
+ if (hash_inited)
+ recipe_copy = recipe_names;
+ else {
+ recipe_copy = craftGetItemNames(recipe, gamedef);
+ std::sort(recipe_copy.begin(), recipe_copy.end());
+ }
+
+ // Try with all permutations of the recipe,
+ // start from the lexicographically first permutation (=sorted),
+ // recipe_names is pre-sorted
+ do {
+ // If all items match, the recipe matches
+ bool all_match = true;
+ //dstream<<"Testing recipe (output="<<output<<"):";
+ for (size_t i=0; i<recipe.size(); i++) {
+ //dstream<<" ("<<input_filtered[i]<<" == "<<recipe_copy[i]<<")";
+ if (!inputItemMatchesRecipe(input_filtered[i], recipe_copy[i],
+ gamedef->idef())) {
+ all_match = false;
+ break;
+ }
+ }
+ //dstream<<" -> match="<<all_match<<std::endl;
+ if (all_match)
+ return true;
+ } while (std::next_permutation(recipe_copy.begin(), recipe_copy.end()));
+
+ return false;
+}
+
+CraftOutput CraftDefinitionShapeless::getOutput(const CraftInput &input, IGameDef *gamedef) const
+{
+ return CraftOutput(output, 0);
+}
+
+CraftInput CraftDefinitionShapeless::getInput(const CraftOutput &output, IGameDef *gamedef) const
+{
+ return CraftInput(CRAFT_METHOD_NORMAL, 0, craftGetItems(recipe, gamedef));
+}
+
+void CraftDefinitionShapeless::decrementInput(CraftInput &input, std::vector<ItemStack> &output_replacements,
+ IGameDef *gamedef) const
+{
+ craftDecrementOrReplaceInput(input, output_replacements, replacements, gamedef);
+}
+
+u64 CraftDefinitionShapeless::getHash(CraftHashType type) const
+{
+ assert(hash_inited); // Pre-condition
+ assert(type == CRAFT_HASH_TYPE_ITEM_NAMES
+ || type == CRAFT_HASH_TYPE_COUNT); // Pre-condition
+ return getHashForGrid(type, recipe_names);
+}
+
+void CraftDefinitionShapeless::initHash(IGameDef *gamedef)
+{
+ if (hash_inited)
+ return;
+ hash_inited = true;
+ recipe_names = craftGetItemNames(recipe, gamedef);
+ std::sort(recipe_names.begin(), recipe_names.end());
+
+ if (hasGroupItem(recipe_names))
+ hash_type = CRAFT_HASH_TYPE_COUNT;
+ else
+ hash_type = CRAFT_HASH_TYPE_ITEM_NAMES;
+}
+
+std::string CraftDefinitionShapeless::dump() const
+{
+ std::ostringstream os(std::ios::binary);
+ os << "(shapeless, output=\"" << output
+ << "\", recipe=" << craftDumpMatrix(recipe, recipe.size())
+ << ", replacements=" << replacements.dump() << ")";
return os.str();
}
-std::string CraftDefinition::dump() const
+/*
+ CraftDefinitionToolRepair
+*/
+
+CraftDefinitionToolRepair::CraftDefinitionToolRepair(float additional_wear_):
+ additional_wear(additional_wear_)
+{
+ priority = PRIORITY_TOOLREPAIR;
+}
+
+static ItemStack craftToolRepair(
+ const ItemStack &item1,
+ const ItemStack &item2,
+ float additional_wear,
+ IGameDef *gamedef)
+{
+ IItemDefManager *idef = gamedef->idef();
+ if (item1.count != 1 || item2.count != 1 || item1.name != item2.name
+ || idef->get(item1.name).type != ITEM_TOOL
+ || itemgroup_get(idef->get(item1.name).groups, "disable_repair") == 1) {
+ // Failure
+ return ItemStack();
+ }
+
+ s32 item1_uses = 65536 - (u32) item1.wear;
+ s32 item2_uses = 65536 - (u32) item2.wear;
+ s32 new_uses = item1_uses + item2_uses;
+ s32 new_wear = 65536 - new_uses + floor(additional_wear * 65536 + 0.5);
+ if (new_wear >= 65536)
+ return ItemStack();
+ if (new_wear < 0)
+ new_wear = 0;
+
+ ItemStack repaired = item1;
+ repaired.wear = new_wear;
+ return repaired;
+}
+
+std::string CraftDefinitionToolRepair::getName() const
+{
+ return "toolrepair";
+}
+
+bool CraftDefinitionToolRepair::check(const CraftInput &input, IGameDef *gamedef) const
+{
+ if (input.method != CRAFT_METHOD_NORMAL)
+ return false;
+
+ ItemStack item1;
+ ItemStack item2;
+ for (const auto &item : input.items) {
+ if (!item.empty()) {
+ if (item1.empty())
+ item1 = item;
+ else if (item2.empty())
+ item2 = item;
+ else
+ return false;
+ }
+ }
+ ItemStack repaired = craftToolRepair(item1, item2, additional_wear, gamedef);
+ return !repaired.empty();
+}
+
+CraftOutput CraftDefinitionToolRepair::getOutput(const CraftInput &input, IGameDef *gamedef) const
+{
+ ItemStack item1;
+ ItemStack item2;
+ for (const auto &item : input.items) {
+ if (!item.empty()) {
+ if (item1.empty())
+ item1 = item;
+ else if (item2.empty())
+ item2 = item;
+ }
+ }
+ ItemStack repaired = craftToolRepair(item1, item2, additional_wear, gamedef);
+ return CraftOutput(repaired.getItemString(), 0);
+}
+
+CraftInput CraftDefinitionToolRepair::getInput(const CraftOutput &output, IGameDef *gamedef) const
+{
+ std::vector<ItemStack> stack;
+ stack.emplace_back();
+ return CraftInput(CRAFT_METHOD_COOKING, additional_wear, stack);
+}
+
+void CraftDefinitionToolRepair::decrementInput(CraftInput &input, std::vector<ItemStack> &output_replacements,
+ IGameDef *gamedef) const
+{
+ craftDecrementInput(input, gamedef);
+}
+
+std::string CraftDefinitionToolRepair::dump() const
{
std::ostringstream os(std::ios::binary);
- os<<"{output=\""<<output<<"\", input={";
- for(u32 i=0; i<input.items.size(); i++)
- os<<"\""<<input.items[i]<<"\",";
- os<<"}, (input.width="<<input.width<<")}";
+ os << "(toolrepair, additional_wear=" << additional_wear << ")";
return os.str();
}
-void CraftDefinition::serialize(std::ostream &os) const
+/*
+ CraftDefinitionCooking
+*/
+
+CraftDefinitionCooking::CraftDefinitionCooking(
+ const std::string &output_,
+ const std::string &recipe_,
+ float cooktime_,
+ const CraftReplacements &replacements_):
+ output(output_), recipe(recipe_), cooktime(cooktime_), replacements(replacements_)
+{
+ if (isGroupRecipeStr(recipe))
+ priority = PRIORITY_SHAPELESS_AND_GROUPS;
+ else
+ priority = PRIORITY_SHAPELESS;
+}
+
+std::string CraftDefinitionCooking::getName() const
+{
+ return "cooking";
+}
+
+bool CraftDefinitionCooking::check(const CraftInput &input, IGameDef *gamedef) const
+{
+ if (input.method != CRAFT_METHOD_COOKING)
+ return false;
+
+ // Filter empty items out of input
+ std::vector<std::string> input_filtered;
+ for (const auto &item : input.items) {
+ const std::string &name = item.name;
+ if (!name.empty())
+ input_filtered.push_back(name);
+ }
+
+ // If there is a wrong number of items in input, no match
+ if (input_filtered.size() != 1) {
+ /*dstream<<"Number of input items ("<<input_filtered.size()
+ <<") does not match recipe size (1) "
+ <<"of cooking recipe with output="<<output<<std::endl;*/
+ return false;
+ }
+
+ // Check the single input item
+ std::string rec_name = craftGetItemName(recipe, gamedef);
+ return inputItemMatchesRecipe(input_filtered[0], rec_name, gamedef->idef());
+}
+
+CraftOutput CraftDefinitionCooking::getOutput(const CraftInput &input, IGameDef *gamedef) const
+{
+ return CraftOutput(output, cooktime);
+}
+
+CraftInput CraftDefinitionCooking::getInput(const CraftOutput &output, IGameDef *gamedef) const
+{
+ std::vector<std::string> rec;
+ rec.push_back(recipe);
+ return CraftInput(CRAFT_METHOD_COOKING,cooktime,craftGetItems(rec,gamedef));
+}
+
+void CraftDefinitionCooking::decrementInput(CraftInput &input, std::vector<ItemStack> &output_replacements,
+ IGameDef *gamedef) const
{
- writeU8(os, 0); // version
- os<<serializeString(output);
- writeU8(os, input.width);
- writeU16(os, input.items.size());
- for(u32 i=0; i<input.items.size(); i++)
- os<<serializeString(input.items[i]);
+ craftDecrementOrReplaceInput(input, output_replacements, replacements, gamedef);
}
-void CraftDefinition::deSerialize(std::istream &is)
+u64 CraftDefinitionCooking::getHash(CraftHashType type) const
{
- int version = readU8(is);
- if(version != 0) throw SerializationError(
- "unsupported CraftDefinition version");
- output = deSerializeString(is);
- input.width = readU8(is);
- u32 count = readU16(is);
- for(u32 i=0; i<count; i++)
- input.items.push_back(deSerializeString(is));
+ if (type == CRAFT_HASH_TYPE_ITEM_NAMES) {
+ return getHashForString(recipe_name);
+ }
+
+ if (type == CRAFT_HASH_TYPE_COUNT) {
+ return 1;
+ }
+
+ // illegal hash type for this CraftDefinition (pre-condition)
+ assert(false);
+ return 0;
}
+void CraftDefinitionCooking::initHash(IGameDef *gamedef)
+{
+ if (hash_inited)
+ return;
+ hash_inited = true;
+ recipe_name = craftGetItemName(recipe, gamedef);
+
+ if (isGroupRecipeStr(recipe_name))
+ hash_type = CRAFT_HASH_TYPE_COUNT;
+ else
+ hash_type = CRAFT_HASH_TYPE_ITEM_NAMES;
+}
+
+std::string CraftDefinitionCooking::dump() const
+{
+ std::ostringstream os(std::ios::binary);
+ os << "(cooking, output=\"" << output
+ << "\", recipe=\"" << recipe
+ << "\", cooktime=" << cooktime << ")"
+ << ", replacements=" << replacements.dump() << ")";
+ return os.str();
+}
+
+/*
+ CraftDefinitionFuel
+*/
+
+CraftDefinitionFuel::CraftDefinitionFuel(
+ const std::string &recipe_,
+ float burntime_,
+ const CraftReplacements &replacements_):
+ recipe(recipe_), burntime(burntime_), replacements(replacements_)
+{
+ if (isGroupRecipeStr(recipe_name))
+ priority = PRIORITY_SHAPELESS_AND_GROUPS;
+ else
+ priority = PRIORITY_SHAPELESS;
+}
+
+std::string CraftDefinitionFuel::getName() const
+{
+ return "fuel";
+}
+
+bool CraftDefinitionFuel::check(const CraftInput &input, IGameDef *gamedef) const
+{
+ if (input.method != CRAFT_METHOD_FUEL)
+ return false;
+
+ // Filter empty items out of input
+ std::vector<std::string> input_filtered;
+ for (const auto &item : input.items) {
+ const std::string &name = item.name;
+ if (!name.empty())
+ input_filtered.push_back(name);
+ }
+
+ // If there is a wrong number of items in input, no match
+ if (input_filtered.size() != 1) {
+ /*dstream<<"Number of input items ("<<input_filtered.size()
+ <<") does not match recipe size (1) "
+ <<"of fuel recipe with burntime="<<burntime<<std::endl;*/
+ return false;
+ }
+
+ // Check the single input item
+ std::string rec_name = craftGetItemName(recipe, gamedef);
+ return inputItemMatchesRecipe(input_filtered[0], rec_name, gamedef->idef());
+}
+
+CraftOutput CraftDefinitionFuel::getOutput(const CraftInput &input, IGameDef *gamedef) const
+{
+ return CraftOutput("", burntime);
+}
+
+CraftInput CraftDefinitionFuel::getInput(const CraftOutput &output, IGameDef *gamedef) const
+{
+ std::vector<std::string> rec;
+ rec.push_back(recipe);
+ return CraftInput(CRAFT_METHOD_COOKING,(int)burntime,craftGetItems(rec,gamedef));
+}
+
+void CraftDefinitionFuel::decrementInput(CraftInput &input, std::vector<ItemStack> &output_replacements,
+ IGameDef *gamedef) const
+{
+ craftDecrementOrReplaceInput(input, output_replacements, replacements, gamedef);
+}
+
+u64 CraftDefinitionFuel::getHash(CraftHashType type) const
+{
+ if (type == CRAFT_HASH_TYPE_ITEM_NAMES) {
+ return getHashForString(recipe_name);
+ }
+
+ if (type == CRAFT_HASH_TYPE_COUNT) {
+ return 1;
+ }
+
+ // illegal hash type for this CraftDefinition (pre-condition)
+ assert(false);
+ return 0;
+}
+
+void CraftDefinitionFuel::initHash(IGameDef *gamedef)
+{
+ if (hash_inited)
+ return;
+ hash_inited = true;
+ recipe_name = craftGetItemName(recipe, gamedef);
+
+ if (isGroupRecipeStr(recipe_name))
+ hash_type = CRAFT_HASH_TYPE_COUNT;
+ else
+ hash_type = CRAFT_HASH_TYPE_ITEM_NAMES;
+}
+
+std::string CraftDefinitionFuel::dump() const
+{
+ std::ostringstream os(std::ios::binary);
+ os << "(fuel, recipe=\"" << recipe
+ << "\", burntime=" << burntime << ")"
+ << ", replacements=" << replacements.dump() << ")";
+ return os.str();
+}
+
+/*
+ Craft definition manager
+*/
+
class CCraftDefManager: public IWritableCraftDefManager
{
public:
+ CCraftDefManager()
+ {
+ m_craft_defs.resize(craft_hash_type_max + 1);
+ }
+
virtual ~CCraftDefManager()
{
clear();
}
- virtual InventoryItem* getCraftResult(const CraftPointerInput &input_cpi,
+
+ virtual bool getCraftResult(CraftInput &input, CraftOutput &output,
+ std::vector<ItemStack> &output_replacement, bool decrementInput,
IGameDef *gamedef) const
{
- if(input_cpi.width > 3){
- errorstream<<"getCraftResult: IGNORING ERROR: "
- <<"input_cpi.width > 3"<<std::endl;
- return NULL;
- }
- InventoryItem *input_items[9];
- for(u32 y=0; y<3; y++)
- for(u32 x=0; x<3; x++)
- {
- u32 i=y*3+x;
- if(x >= input_cpi.width || y >= input_cpi.height())
- input_items[i] = NULL;
- else
- input_items[i] = input_cpi.items[y*input_cpi.width+x];
- }
- for(core::list<CraftDefinition*>::ConstIterator
- i = m_craft_definitions.begin();
- i != m_craft_definitions.end(); i++)
- {
- CraftDefinition *def = *i;
-
- infostream<<"Checking "<<createInput(input_cpi).dump()<<std::endl
- <<" against "<<def->input.dump()
- <<" (output=\""<<def->output<<"\")"<<std::endl;
-
- CraftPointerInput spec_cpi = createPointerInput(def->input, gamedef);
- if(spec_cpi.width > 3){
- errorstream<<"getCraftResult: IGNORING ERROR: "
- <<"spec_cpi.width > 3"<<std::endl;
+ if (input.empty())
+ return false;
+
+ std::vector<std::string> input_names;
+ input_names = craftGetItemNames(input.items, gamedef);
+ std::sort(input_names.begin(), input_names.end());
+
+ // Try hash types with increasing collision rate
+ // while remembering the latest, highest priority recipe.
+ CraftDefinition::RecipePriority priority_best =
+ CraftDefinition::PRIORITY_NO_RECIPE;
+ CraftDefinition *def_best = nullptr;
+ for (int type = 0; type <= craft_hash_type_max; type++) {
+ u64 hash = getHashForGrid((CraftHashType) type, input_names);
+
+ /*errorstream << "Checking type " << type << " with hash " << hash << std::endl;*/
+
+ // We'd like to do "const [...] hash_collisions = m_craft_defs[type][hash];"
+ // but that doesn't compile for some reason. This does.
+ auto col_iter = (m_craft_defs[type]).find(hash);
+
+ if (col_iter == (m_craft_defs[type]).end())
continue;
+
+ const std::vector<CraftDefinition*> &hash_collisions = col_iter->second;
+ // Walk crafting definitions from back to front, so that later
+ // definitions can override earlier ones.
+ for (std::vector<CraftDefinition*>::size_type
+ i = hash_collisions.size(); i > 0; i--) {
+ CraftDefinition *def = hash_collisions[i - 1];
+
+ /*errorstream << "Checking " << input.dump() << std::endl
+ << " against " << def->dump() << std::endl;*/
+
+ CraftDefinition::RecipePriority priority = def->getPriority();
+ if (priority > priority_best
+ && def->check(input, gamedef)) {
+ // Check if the crafted node/item exists
+ CraftOutput out = def->getOutput(input, gamedef);
+ ItemStack is;
+ is.deSerialize(out.item, gamedef->idef());
+ if (!is.isKnown(gamedef->idef())) {
+ infostream << "trying to craft non-existent "
+ << out.item << ", ignoring recipe" << std::endl;
+ continue;
+ }
+
+ output = out;
+ priority_best = priority;
+ def_best = def;
+ }
}
- InventoryItem *spec_items[9];
- for(u32 y=0; y<3; y++)
- for(u32 x=0; x<3; x++)
- {
- u32 i=y*3+x;
- if(x >= spec_cpi.width || y >= spec_cpi.height())
- spec_items[i] = NULL;
- else
- spec_items[i] = spec_cpi.items[y*spec_cpi.width+x];
- infostream<<"spec_items["<<i<<"] = "<<spec_items[i]<<std::endl;
- }
+ }
+ if (priority_best == CraftDefinition::PRIORITY_NO_RECIPE)
+ return false;
+ if (decrementInput)
+ def_best->decrementInput(input, output_replacement, gamedef);
+ return true;
+ }
+
+ virtual std::vector<CraftDefinition*> getCraftRecipes(CraftOutput &output,
+ IGameDef *gamedef, unsigned limit=0) const
+ {
+ std::vector<CraftDefinition*> recipes;
+
+ auto vec_iter = m_output_craft_definitions.find(output.item);
+
+ if (vec_iter == m_output_craft_definitions.end())
+ return recipes;
+
+ const std::vector<CraftDefinition*> &vec = vec_iter->second;
+
+ recipes.reserve(limit ? MYMIN(limit, vec.size()) : vec.size());
+
+ for (std::vector<CraftDefinition*>::size_type i = vec.size();
+ i > 0; i--) {
+ CraftDefinition *def = vec[i - 1];
+ if (limit && recipes.size() >= limit)
+ break;
+ recipes.push_back(def);
+ }
+
+ return recipes;
+ }
+
+ virtual bool clearCraftsByOutput(const CraftOutput &output, IGameDef *gamedef)
+ {
+ auto to_clear = m_output_craft_definitions.find(output.item);
- bool match = checkItemCombination(input_items, spec_items);
+ if (to_clear == m_output_craft_definitions.end())
+ return false;
+
+ for (auto def : to_clear->second) {
+ // Recipes are not yet hashed at this point
+ std::vector<CraftDefinition *> &defs = m_craft_defs[(int)CRAFT_HASH_TYPE_UNHASHED][0];
+ defs.erase(std::remove(defs.begin(), defs.end(), def), defs.end());
+ delete def;
+ }
+ m_output_craft_definitions.erase(to_clear);
+ return true;
+ }
- if(match){
- std::istringstream iss(def->output, std::ios::binary);
- return InventoryItem::deSerialize(iss, gamedef);
+ virtual bool clearCraftsByInput(const CraftInput &input, IGameDef *gamedef)
+ {
+ if (input.empty())
+ return false;
+
+ // Recipes are not yet hashed at this point
+ std::vector<CraftDefinition *> &defs = m_craft_defs[(int)CRAFT_HASH_TYPE_UNHASHED][0];
+ std::vector<CraftDefinition *> new_defs;
+ bool got_hit = false;
+ for (auto def : defs) {
+ if (!def->check(input, gamedef)) {
+ new_defs.push_back(def);
+ continue;
}
+ got_hit = true;
+ std::string output = def->getOutput(input, gamedef).item;
+ delete def;
+ auto it = m_output_craft_definitions.find(craftGetItemName(output, gamedef));
+ if (it == m_output_craft_definitions.end())
+ continue;
+ std::vector<CraftDefinition *> &outdefs = it->second;
+ outdefs.erase(std::remove(outdefs.begin(), outdefs.end(), def), outdefs.end());
}
- return NULL;
+ if (got_hit)
+ defs.swap(new_defs);
+
+ return got_hit;
}
- virtual void registerCraft(const CraftDefinition &def)
+
+ virtual std::string dump() const
{
- infostream<<"registerCraft: registering craft definition: "
- <<def.dump()<<std::endl;
- if(def.input.width > 3 || def.input.height() > 3){
- errorstream<<"registerCraft: input size is larger than 3x3,"
- <<" ignoring"<<std::endl;
- return;
+ std::ostringstream os(std::ios::binary);
+ os << "Crafting definitions:\n";
+ for (int type = 0; type <= craft_hash_type_max; ++type) {
+ for (auto it = m_craft_defs[type].begin();
+ it != m_craft_defs[type].end(); ++it) {
+ for (std::vector<CraftDefinition*>::size_type i = 0;
+ i < it->second.size(); i++) {
+ os << "type " << type
+ << " hash " << it->first
+ << " def " << it->second[i]->dump()
+ << "\n";
+ }
+ }
}
- m_craft_definitions.push_back(new CraftDefinition(def));
+ return os.str();
+ }
+ virtual void registerCraft(CraftDefinition *def, IGameDef *gamedef)
+ {
+ TRACESTREAM(<< "registerCraft: registering craft definition: "
+ << def->dump() << std::endl);
+ m_craft_defs[(int) CRAFT_HASH_TYPE_UNHASHED][0].push_back(def);
+
+ CraftInput input;
+ std::string output_name = craftGetItemName(
+ def->getOutput(input, gamedef).item, gamedef);
+ m_output_craft_definitions[output_name].push_back(def);
}
virtual void clear()
{
- for(core::list<CraftDefinition*>::Iterator
- i = m_craft_definitions.begin();
- i != m_craft_definitions.end(); i++){
- delete *i;
+ for (int type = 0; type <= craft_hash_type_max; ++type) {
+ for (auto &it : m_craft_defs[type]) {
+ for (auto &iit : it.second) {
+ delete iit;
+ }
+ it.second.clear();
+ }
+ m_craft_defs[type].clear();
}
- m_craft_definitions.clear();
+ m_output_craft_definitions.clear();
}
- virtual void serialize(std::ostream &os)
- {
- writeU8(os, 0); // version
- u16 count = m_craft_definitions.size();
- writeU16(os, count);
- for(core::list<CraftDefinition*>::Iterator
- i = m_craft_definitions.begin();
- i != m_craft_definitions.end(); i++){
- CraftDefinition *def = *i;
- // Serialize wrapped in a string
- std::ostringstream tmp_os(std::ios::binary);
- def->serialize(tmp_os);
- os<<serializeString(tmp_os.str());
- }
- }
- virtual void deSerialize(std::istream &is)
+ virtual void initHashes(IGameDef *gamedef)
{
- // Clear everything
- clear();
- // Deserialize
- int version = readU8(is);
- if(version != 0) throw SerializationError(
- "unsupported CraftDefManager version");
- u16 count = readU16(is);
- for(u16 i=0; i<count; i++){
- // Deserialize a string and grab a CraftDefinition from it
- std::istringstream tmp_is(deSerializeString(is), std::ios::binary);
- CraftDefinition def;
- def.deSerialize(tmp_is);
- // Register
- registerCraft(def);
+ // Move the CraftDefs from the unhashed layer into layers higher up.
+ std::vector<CraftDefinition *> &unhashed =
+ m_craft_defs[(int) CRAFT_HASH_TYPE_UNHASHED][0];
+ for (auto def : unhashed) {
+ // Initialize and get the definition's hash
+ def->initHash(gamedef);
+ CraftHashType type = def->getHashType();
+ u64 hash = def->getHash(type);
+
+ // Enter the definition
+ m_craft_defs[type][hash].push_back(def);
}
+ unhashed.clear();
}
private:
- core::list<CraftDefinition*> m_craft_definitions;
+ std::vector<std::unordered_map<u64, std::vector<CraftDefinition*> > >
+ m_craft_defs;
+ std::unordered_map<std::string, std::vector<CraftDefinition*> >
+ m_output_craft_definitions;
};
IWritableCraftDefManager* createCraftDefManager()
{
return new CCraftDefManager();
}
-
projects / dragonfireclient.git / blobdiff