]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/craftdef.cpp
Remove obsolete eye_height related workaround
[dragonfireclient.git] / src / craftdef.cpp
index d3f1edaf9ae9707455c04ecbad8387a1d53984e7..c05a0cfb75c57984121425015e35c0ffdf7d0563 100644 (file)
@@ -37,6 +37,15 @@ inline bool isGroupRecipeStr(const std::string &rec_name)
        return str_starts_with(rec_name, std::string("group:"));
 }
 
+static bool hasGroupItem(const std::vector<std::string> &recipe)
+{
+       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 << '"';*/
@@ -49,17 +58,17 @@ static u64 getHashForGrid(CraftHashType type, const std::vector<std::string> &gr
                case CRAFT_HASH_TYPE_ITEM_NAMES: {
                        std::ostringstream os;
                        bool is_first = true;
-                       for (size_t i = 0; i < grid_names.size(); i++) {
-                               if (grid_names[i] != "") {
-                                       os << (is_first ? "" : "\n") << grid_names[i];
+                       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 (size_t i = 0; i < grid_names.size(); i++)
-                               if (grid_names[i] != "")
+                       for (const std::string &grid_name : grid_names)
+                               if (!grid_name.empty())
                                        cnt++;
                        return cnt;
                } case CRAFT_HASH_TYPE_UNHASHED:
@@ -112,9 +121,9 @@ static std::vector<std::string> craftGetItemNames(
                const std::vector<std::string> &itemstrings, IGameDef *gamedef)
 {
        std::vector<std::string> result;
-       for (std::vector<std::string>::size_type i = 0;
-                       i < itemstrings.size(); i++) {
-               result.push_back(craftGetItemName(itemstrings[i], gamedef));
+       result.reserve(itemstrings.size());
+       for (const auto &itemstring : itemstrings) {
+               result.push_back(craftGetItemName(itemstring, gamedef));
        }
        return result;
 }
@@ -124,9 +133,9 @@ static std::vector<std::string> craftGetItemNames(
                const std::vector<ItemStack> &items, IGameDef *gamedef)
 {
        std::vector<std::string> result;
-       for (std::vector<ItemStack>::size_type i = 0;
-                       i < items.size(); i++) {
-               result.push_back(items[i].name);
+       result.reserve(items.size());
+       for (const auto &item : items) {
+               result.push_back(item.name);
        }
        return result;
 }
@@ -136,10 +145,10 @@ static std::vector<ItemStack> craftGetItems(
                const std::vector<std::string> &items, IGameDef *gamedef)
 {
        std::vector<ItemStack> result;
-       for (std::vector<std::string>::size_type i = 0;
-                       i < items.size(); i++) {
-               result.push_back(ItemStack(std::string(items[i]), (u16)1,
-                       (u16)0, "", gamedef->getItemDefManager()));
+       result.reserve(items.size());
+       for (const auto &item : items) {
+               result.emplace_back(std::string(item), (u16)1,
+                       (u16)0, gamedef->getItemDefManager());
        }
        return result;
 }
@@ -153,10 +162,9 @@ static bool craftGetBounds(const std::vector<std::string> &items, unsigned int w
        bool success = false;
        unsigned int x = 0;
        unsigned int y = 0;
-       for (std::vector<std::string>::size_type i = 0;
-                       i < items.size(); i++) {
+       for (const std::string &item : items) {
                // Is this an actual item?
-               if (items[i] != "") {
+               if (!item.empty()) {
                        if (!success) {
                                // This is the first nonempty item
                                min_x = max_x = x;
@@ -183,10 +191,9 @@ static bool craftGetBounds(const std::vector<std::string> &items, unsigned int w
 // Removes 1 from each item stack
 static void craftDecrementInput(CraftInput &input, IGameDef *gamedef)
 {
-       for (std::vector<ItemStack>::size_type i = 0;
-                       i < input.items.size(); i++) {
-               if (input.items[i].count != 0)
-                       input.items[i].remove(1);
+       for (auto &item : input.items) {
+               if (item.count != 0)
+                       item.remove(1);
        }
 }
 
@@ -206,28 +213,25 @@ static void craftDecrementOrReplaceInput(CraftInput &input,
        // Make a copy of the replacements pair list
        std::vector<std::pair<std::string, std::string> > pairs = replacements.pairs;
 
-       for (std::vector<ItemStack>::size_type i = 0;
-                       i < input.items.size(); i++) {
-               ItemStack &item = input.items[i];
+       for (auto &item : input.items) {
                // Find an appropriate replacement
                bool found_replacement = false;
-               for (std::vector<std::pair<std::string, std::string> >::iterator
-                               j = pairs.begin();
-                               j != pairs.end(); ++j) {
+               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;
-                               } else {
-                                       ItemStack rep;
-                                       rep.deSerialize(j->second, gamedef->idef());
-                                       item.remove(1);
-                                       found_replacement = true;
-                                       output_replacements.push_back(rep);
-                                       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
@@ -283,6 +287,15 @@ std::string craftDumpMatrix(const std::vector<ItemStack> &items,
        CraftInput
 */
 
+bool CraftInput::empty() const
+{
+       for (const auto &item : items) {
+               if (!item.empty())
+                       return false;
+       }
+       return true;
+}
+
 std::string CraftInput::dump() const
 {
        std::ostringstream os(std::ios::binary);
@@ -311,9 +324,7 @@ std::string CraftReplacements::dump() const
        std::ostringstream os(std::ios::binary);
        os<<"{";
        const char *sep = "";
-       for (std::vector<std::pair<std::string, std::string> >::size_type i = 0;
-                       i < pairs.size(); i++) {
-               const std::pair<std::string, std::string> &repl_p = pairs[i];
+       for (const auto &repl_p : pairs) {
                os << sep
                        << '"' << (repl_p.first)
                        << "\"=>\"" << (repl_p.second) << '"';
@@ -327,6 +338,19 @@ std::string CraftReplacements::dump() const
        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";
@@ -343,7 +367,7 @@ bool CraftDefinitionShaped::check(const CraftInput &input, IGameDef *gamedef) co
        if (inp_width == 0)
                return false;
        while (inp_names.size() % inp_width != 0)
-               inp_names.push_back("");
+               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;
@@ -362,7 +386,7 @@ bool CraftDefinitionShaped::check(const CraftInput &input, IGameDef *gamedef) co
        if (rec_width == 0)
                return false;
        while (rec_names.size() % rec_width != 0)
-               rec_names.push_back("");
+               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;
@@ -414,22 +438,6 @@ void CraftDefinitionShaped::decrementInput(CraftInput &input, std::vector<ItemSt
        craftDecrementOrReplaceInput(input, output_replacements, replacements, gamedef);
 }
 
-CraftHashType CraftDefinitionShaped::getHashType() const
-{
-       assert(hash_inited); // Pre-condition
-       bool has_group = false;
-       for (size_t i = 0; i < recipe_names.size(); i++) {
-               if (isGroupRecipeStr(recipe_names[i])) {
-                       has_group = true;
-                       break;
-               }
-       }
-       if (has_group)
-               return CRAFT_HASH_TYPE_COUNT;
-       else
-               return CRAFT_HASH_TYPE_ITEM_NAMES;
-}
-
 u64 CraftDefinitionShaped::getHash(CraftHashType type) const
 {
        assert(hash_inited); // Pre-condition
@@ -447,6 +455,11 @@ void CraftDefinitionShaped::initHash(IGameDef *gamedef)
                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
@@ -462,6 +475,18 @@ std::string CraftDefinitionShaped::dump() const
        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";
@@ -474,10 +499,8 @@ bool CraftDefinitionShapeless::check(const CraftInput &input, IGameDef *gamedef)
 
        // Filter empty items out of input
        std::vector<std::string> input_filtered;
-       for (std::vector<ItemStack>::size_type i = 0;
-                       i < input.items.size(); i++) {
-               const ItemStack &item = input.items[i];
-               if (item.name != "")
+       for (const auto &item : input.items) {
+               if (!item.name.empty())
                        input_filtered.push_back(item.name);
        }
 
@@ -536,22 +559,6 @@ void CraftDefinitionShapeless::decrementInput(CraftInput &input, std::vector<Ite
        craftDecrementOrReplaceInput(input, output_replacements, replacements, gamedef);
 }
 
-CraftHashType CraftDefinitionShapeless::getHashType() const
-{
-       assert(hash_inited); // Pre-condition
-       bool has_group = false;
-       for (size_t i = 0; i < recipe_names.size(); i++) {
-               if (isGroupRecipeStr(recipe_names[i])) {
-                       has_group = true;
-                       break;
-               }
-       }
-       if (has_group)
-               return CRAFT_HASH_TYPE_COUNT;
-       else
-               return CRAFT_HASH_TYPE_ITEM_NAMES;
-}
-
 u64 CraftDefinitionShapeless::getHash(CraftHashType type) const
 {
        assert(hash_inited); // Pre-condition
@@ -567,6 +574,11 @@ void CraftDefinitionShapeless::initHash(IGameDef *gamedef)
        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
@@ -582,6 +594,12 @@ std::string CraftDefinitionShapeless::dump() const
        CraftDefinitionToolRepair
 */
 
+CraftDefinitionToolRepair::CraftDefinitionToolRepair(float additional_wear_):
+       additional_wear(additional_wear_)
+{
+       priority = PRIORITY_TOOLREPAIR;
+}
+
 static ItemStack craftToolRepair(
                const ItemStack &item1,
                const ItemStack &item2,
@@ -591,7 +609,7 @@ static ItemStack craftToolRepair(
        IItemDefManager *idef = gamedef->idef();
        if (item1.count != 1 || item2.count != 1 || item1.name != item2.name
                        || idef->get(item1.name).type != ITEM_TOOL
-                       || idef->get(item2.name).type != ITEM_TOOL) {
+                       || itemgroup_get(idef->get(item1.name).groups, "disable_repair") == 1) {
                // Failure
                return ItemStack();
        }
@@ -622,9 +640,7 @@ bool CraftDefinitionToolRepair::check(const CraftInput &input, IGameDef *gamedef
 
        ItemStack item1;
        ItemStack item2;
-       for (std::vector<ItemStack>::size_type i = 0;
-                       i < input.items.size(); i++) {
-               const ItemStack &item = input.items[i];
+       for (const auto &item : input.items) {
                if (!item.empty()) {
                        if (item1.empty())
                                item1 = item;
@@ -642,9 +658,7 @@ CraftOutput CraftDefinitionToolRepair::getOutput(const CraftInput &input, IGameD
 {
        ItemStack item1;
        ItemStack item2;
-       for (std::vector<ItemStack>::size_type i = 0;
-                       i < input.items.size(); i++) {
-               const ItemStack &item = input.items[i];
+       for (const auto &item : input.items) {
                if (!item.empty()) {
                        if (item1.empty())
                                item1 = item;
@@ -659,7 +673,7 @@ CraftOutput CraftDefinitionToolRepair::getOutput(const CraftInput &input, IGameD
 CraftInput CraftDefinitionToolRepair::getInput(const CraftOutput &output, IGameDef *gamedef) const
 {
        std::vector<ItemStack> stack;
-       stack.push_back(ItemStack());
+       stack.emplace_back();
        return CraftInput(CRAFT_METHOD_COOKING, additional_wear, stack);
 }
 
@@ -680,6 +694,19 @@ std::string CraftDefinitionToolRepair::dump() 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";
@@ -692,10 +719,9 @@ bool CraftDefinitionCooking::check(const CraftInput &input, IGameDef *gamedef) c
 
        // Filter empty items out of input
        std::vector<std::string> input_filtered;
-       for (std::vector<ItemStack>::size_type i = 0;
-                       i < input.items.size(); i++) {
-               const std::string &name = input.items[i].name;
-               if (name != "")
+       for (const auto &item : input.items) {
+               const std::string &name = item.name;
+               if (!name.empty())
                        input_filtered.push_back(name);
        }
 
@@ -708,7 +734,8 @@ bool CraftDefinitionCooking::check(const CraftInput &input, IGameDef *gamedef) c
        }
 
        // Check the single input item
-       return inputItemMatchesRecipe(input_filtered[0], recipe, gamedef->idef());
+       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
@@ -729,25 +756,19 @@ void CraftDefinitionCooking::decrementInput(CraftInput &input, std::vector<ItemS
        craftDecrementOrReplaceInput(input, output_replacements, replacements, gamedef);
 }
 
-CraftHashType CraftDefinitionCooking::getHashType() const
-{
-       if (isGroupRecipeStr(recipe_name))
-               return CRAFT_HASH_TYPE_COUNT;
-       else
-               return CRAFT_HASH_TYPE_ITEM_NAMES;
-}
-
 u64 CraftDefinitionCooking::getHash(CraftHashType type) const
 {
        if (type == CRAFT_HASH_TYPE_ITEM_NAMES) {
                return getHashForString(recipe_name);
-       } else if (type == CRAFT_HASH_TYPE_COUNT) {
+       }
+
+       if (type == CRAFT_HASH_TYPE_COUNT) {
                return 1;
-       } else {
-               //illegal hash type for this CraftDefinition (pre-condition)
-               assert(false);
-               return 0;
        }
+
+       // illegal hash type for this CraftDefinition (pre-condition)
+       assert(false);
+       return 0;
 }
 
 void CraftDefinitionCooking::initHash(IGameDef *gamedef)
@@ -756,6 +777,11 @@ void CraftDefinitionCooking::initHash(IGameDef *gamedef)
                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
@@ -772,6 +798,18 @@ std::string CraftDefinitionCooking::dump() const
        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";
@@ -784,10 +822,9 @@ bool CraftDefinitionFuel::check(const CraftInput &input, IGameDef *gamedef) cons
 
        // Filter empty items out of input
        std::vector<std::string> input_filtered;
-       for (std::vector<ItemStack>::size_type i = 0;
-                       i < input.items.size(); i++) {
-               const std::string &name = input.items[i].name;
-               if (name != "")
+       for (const auto &item : input.items) {
+               const std::string &name = item.name;
+               if (!name.empty())
                        input_filtered.push_back(name);
        }
 
@@ -800,7 +837,8 @@ bool CraftDefinitionFuel::check(const CraftInput &input, IGameDef *gamedef) cons
        }
 
        // Check the single input item
-       return inputItemMatchesRecipe(input_filtered[0], recipe, gamedef->idef());
+       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
@@ -821,25 +859,19 @@ void CraftDefinitionFuel::decrementInput(CraftInput &input, std::vector<ItemStac
        craftDecrementOrReplaceInput(input, output_replacements, replacements, gamedef);
 }
 
-CraftHashType CraftDefinitionFuel::getHashType() const
-{
-       if (isGroupRecipeStr(recipe_name))
-               return CRAFT_HASH_TYPE_COUNT;
-       else
-               return CRAFT_HASH_TYPE_ITEM_NAMES;
-}
-
 u64 CraftDefinitionFuel::getHash(CraftHashType type) const
 {
        if (type == CRAFT_HASH_TYPE_ITEM_NAMES) {
                return getHashForString(recipe_name);
-       } else if (type == CRAFT_HASH_TYPE_COUNT) {
+       }
+
+       if (type == CRAFT_HASH_TYPE_COUNT) {
                return 1;
-       } else {
-               //illegal hash type for this CraftDefinition (pre-condition)
-               assert(false);
-               return 0;
        }
+
+       // illegal hash type for this CraftDefinition (pre-condition)
+       assert(false);
+       return 0;
 }
 
 void CraftDefinitionFuel::initHash(IGameDef *gamedef)
@@ -848,7 +880,13 @@ void CraftDefinitionFuel::initHash(IGameDef *gamedef)
                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);
@@ -879,26 +917,18 @@ class CCraftDefManager: public IWritableCraftDefManager
                        std::vector<ItemStack> &output_replacement, bool decrementInput,
                        IGameDef *gamedef) const
        {
-               output.item = "";
-               output.time = 0;
-
-               // If all input items are empty, abort.
-               bool all_empty = true;
-               for (std::vector<ItemStack>::size_type i = 0;
-                       i < input.items.size(); i++) {
-                       if (!input.items[i].empty()) {
-                               all_empty = false;
-                               break;
-                       }
-               }
-               if (all_empty)
+               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, and return if found.
+               // 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);
 
@@ -906,8 +936,7 @@ class CCraftDefManager: public IWritableCraftDefManager
 
                        // We'd like to do "const [...] hash_collisions = m_craft_defs[type][hash];"
                        // but that doesn't compile for some reason. This does.
-                       std::map<u64, std::vector<CraftDefinition*> >::const_iterator
-                               col_iter = (m_craft_defs[type]).find(hash);
+                       auto col_iter = (m_craft_defs[type]).find(hash);
 
                        if (col_iter == (m_craft_defs[type]).end())
                                continue;
@@ -922,17 +951,30 @@ class CCraftDefManager: public IWritableCraftDefManager
                                /*errorstream << "Checking " << input.dump() << std::endl
                                        << " against " << def->dump() << std::endl;*/
 
-                               if (def->check(input, gamedef)) {
-                                       // Get output, then decrement input (if requested)
-                                       output = def->getOutput(input, gamedef);
-                                       if (decrementInput)
-                                               def->decrementInput(input, output_replacement, gamedef);
-                                       /*errorstream << "Check RETURNS TRUE" << std::endl;*/
-                                       return true;
+                               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;
                                }
                        }
                }
-               return false;
+               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,
@@ -940,8 +982,7 @@ class CCraftDefManager: public IWritableCraftDefManager
        {
                std::vector<CraftDefinition*> recipes;
 
-               std::map<std::string, std::vector<CraftDefinition*> >::const_iterator
-                       vec_iter = m_output_craft_definitions.find(output.item);
+               auto vec_iter = m_output_craft_definitions.find(output.item);
 
                if (vec_iter == m_output_craft_definitions.end())
                        return recipes;
@@ -960,14 +1001,60 @@ class CCraftDefManager: public IWritableCraftDefManager
 
                return recipes;
        }
+
+       virtual bool clearCraftsByOutput(const CraftOutput &output, IGameDef *gamedef)
+       {
+               auto to_clear = m_output_craft_definitions.find(output.item);
+
+               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;
+       }
+
+       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());
+               }
+               if (got_hit)
+                       defs.swap(new_defs);
+
+               return got_hit;
+       }
+
        virtual std::string dump() const
        {
                std::ostringstream os(std::ios::binary);
                os << "Crafting definitions:\n";
                for (int type = 0; type <= craft_hash_type_max; ++type) {
-                       for (std::map<u64, std::vector<CraftDefinition*> >::const_iterator
-                                       it = (m_craft_defs[type]).begin();
-                                       it != (m_craft_defs[type]).end(); ++it) {
+                       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
@@ -981,8 +1068,8 @@ class CCraftDefManager: public IWritableCraftDefManager
        }
        virtual void registerCraft(CraftDefinition *def, IGameDef *gamedef)
        {
-               verbosestream << "registerCraft: registering craft definition: "
-                               << def->dump() << std::endl;
+               TRACESTREAM(<< "registerCraft: registering craft definition: "
+                               << def->dump() << std::endl);
                m_craft_defs[(int) CRAFT_HASH_TYPE_UNHASHED][0].push_back(def);
 
                CraftInput input;
@@ -993,15 +1080,11 @@ class CCraftDefManager: public IWritableCraftDefManager
        virtual void clear()
        {
                for (int type = 0; type <= craft_hash_type_max; ++type) {
-                       for (std::map<u64, std::vector<CraftDefinition*> >::iterator
-                                       it = m_craft_defs[type].begin();
-                                       it != m_craft_defs[type].end(); ++it) {
-                               for (std::vector<CraftDefinition*>::iterator
-                                               iit = it->second.begin();
-                                               iit != it->second.end(); ++iit) {
-                                       delete *iit;
+                       for (auto &it : m_craft_defs[type]) {
+                               for (auto &iit : it.second) {
+                                       delete iit;
                                }
-                               it->second.clear();
+                               it.second.clear();
                        }
                        m_craft_defs[type].clear();
                }
@@ -1012,10 +1095,7 @@ class CCraftDefManager: public IWritableCraftDefManager
                // 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 (std::vector<CraftDefinition*>::size_type i = 0;
-                       i < unhashed.size(); i++) {
-                       CraftDefinition *def = unhashed[i];
-
+               for (auto def : unhashed) {
                        // Initialize and get the definition's hash
                        def->initHash(gamedef);
                        CraftHashType type = def->getHashType();
@@ -1027,13 +1107,13 @@ class CCraftDefManager: public IWritableCraftDefManager
                unhashed.clear();
        }
 private:
-       //TODO: change both maps to unordered_map when c++11 can be used
-       std::vector<std::map<u64, std::vector<CraftDefinition*> > > m_craft_defs;
-       std::map<std::string, std::vector<CraftDefinition*> > m_output_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();
 }
-