X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fcraftdef.h;h=cebb2d7ae2d82771b1d174f8704c757ed7f44763;hb=65c09a96f41705bb8e75fc5ff4276342be91ed11;hp=57f26f049ce4fd3e995ce6da9233335deb53ca07;hpb=6a76c226e10e92c3e3339096f07f8ab065e2098b;p=minetest.git diff --git a/src/craftdef.h b/src/craftdef.h index 57f26f049..cebb2d7ae 100644 --- a/src/craftdef.h +++ b/src/craftdef.h @@ -1,18 +1,18 @@ /* -Minetest-c55 -Copyright (C) 2011 celeron55, Perttu Ahola +Minetest +Copyright (C) 2013 celeron55, Perttu Ahola 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. */ @@ -43,6 +43,28 @@ enum CraftMethod CRAFT_METHOD_FUEL, }; +/* + The type a hash can be. The earlier a type is mentioned in this enum, + the earlier it is tried at crafting, and the less likely is a collision. + Changing order causes changes in behaviour, so know what you do. + */ +enum CraftHashType +{ + // Hashes the normalized names of the recipe's elements. + // Only recipes without group usage can be found here, + // because groups can't be guessed efficiently. + CRAFT_HASH_TYPE_ITEM_NAMES, + + // Counts the non-empty slots. + CRAFT_HASH_TYPE_COUNT, + + // This layer both spares an extra variable, and helps to retain (albeit rarely used) functionality. Maps to 0. + // Before hashes are "initialized", all hashes reside here, after initialisation, none are. + CRAFT_HASH_TYPE_UNHASHED + +}; +const int craft_hash_type_max = (int) CRAFT_HASH_TYPE_UNHASHED; + /* Input: The contents of the crafting slots, arranged in matrix form */ @@ -117,9 +139,6 @@ class CraftDefinition CraftDefinition(){} virtual ~CraftDefinition(){} - void serialize(std::ostream &os) const; - static CraftDefinition* deSerialize(std::istream &is); - // Returns type of crafting definition virtual std::string getName() const=0; @@ -128,14 +147,19 @@ class CraftDefinition // Returns the output structure, meaning depends on crafting method // The implementation can assume that check(input) returns true virtual CraftOutput getOutput(const CraftInput &input, IGameDef *gamedef) const=0; + // the inverse of the above + virtual CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const=0; // Decreases count of every input item - virtual void decrementInput(CraftInput &input, IGameDef *gamedef) const=0; + virtual void decrementInput(CraftInput &input, + std::vector &output_replacements, IGameDef *gamedef) const=0; - virtual std::string dump() const=0; + virtual CraftHashType getHashType() const = 0; + virtual u64 getHash(CraftHashType type) const = 0; -protected: - virtual void serializeBody(std::ostream &os) const=0; - virtual void deSerializeBody(std::istream &is, int version)=0; + // to be called after all mods are loaded, so that we catch all aliases + virtual void initHash(IGameDef *gamedef) = 0; + + virtual std::string dump() const=0; }; /* @@ -148,27 +172,31 @@ class CraftDefinitionShaped: public CraftDefinition { public: CraftDefinitionShaped(): - output(""), width(1), recipe(), replacements() + output(""), width(1), recipe(), hash_inited(false), replacements() {} CraftDefinitionShaped( const std::string &output_, unsigned int width_, const std::vector &recipe_, const CraftReplacements &replacements_): - output(output_), width(width_), recipe(recipe_), replacements(replacements_) + output(output_), width(width_), recipe(recipe_), + hash_inited(false), replacements(replacements_) {} virtual ~CraftDefinitionShaped(){} virtual std::string getName() const; virtual bool check(const CraftInput &input, IGameDef *gamedef) const; virtual CraftOutput getOutput(const CraftInput &input, IGameDef *gamedef) const; - virtual void decrementInput(CraftInput &input, IGameDef *gamedef) const; + virtual CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const; + virtual void decrementInput(CraftInput &input, + std::vector &output_replacements, IGameDef *gamedef) const; - virtual std::string dump() const; + virtual CraftHashType getHashType() const; + virtual u64 getHash(CraftHashType type) const; -protected: - virtual void serializeBody(std::ostream &os) const; - virtual void deSerializeBody(std::istream &is, int version); + virtual void initHash(IGameDef *gamedef); + + virtual std::string dump() const; private: // Output itemstring @@ -177,6 +205,10 @@ class CraftDefinitionShaped: public CraftDefinition unsigned int width; // Recipe matrix (itemstrings) std::vector recipe; + // Recipe matrix (item names) + std::vector recipe_names; + // bool indicating if initHash has been called already + bool hash_inited; // Replacement items for decrementInput() CraftReplacements replacements; }; @@ -190,32 +222,40 @@ class CraftDefinitionShapeless: public CraftDefinition { public: CraftDefinitionShapeless(): - output(""), recipe(), replacements() + output(""), recipe(), hash_inited(false), replacements() {} CraftDefinitionShapeless( const std::string &output_, const std::vector &recipe_, const CraftReplacements &replacements_): - output(output_), recipe(recipe_), replacements(replacements_) + output(output_), recipe(recipe_), + hash_inited(false), replacements(replacements_) {} virtual ~CraftDefinitionShapeless(){} virtual std::string getName() const; virtual bool check(const CraftInput &input, IGameDef *gamedef) const; virtual CraftOutput getOutput(const CraftInput &input, IGameDef *gamedef) const; - virtual void decrementInput(CraftInput &input, IGameDef *gamedef) const; + virtual CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const; + virtual void decrementInput(CraftInput &input, + std::vector &output_replacements, IGameDef *gamedef) const; - virtual std::string dump() const; + virtual CraftHashType getHashType() const; + virtual u64 getHash(CraftHashType type) const; + + virtual void initHash(IGameDef *gamedef); -protected: - virtual void serializeBody(std::ostream &os) const; - virtual void deSerializeBody(std::istream &is, int version); + virtual std::string dump() const; private: // Output itemstring std::string output; // Recipe list (itemstrings) std::vector recipe; + // Recipe list (item names) + std::vector recipe_names; + // bool indicating if initHash has been called already + bool hash_inited; // Replacement items for decrementInput() CraftReplacements replacements; }; @@ -240,13 +280,16 @@ class CraftDefinitionToolRepair: public CraftDefinition virtual std::string getName() const; virtual bool check(const CraftInput &input, IGameDef *gamedef) const; virtual CraftOutput getOutput(const CraftInput &input, IGameDef *gamedef) const; - virtual void decrementInput(CraftInput &input, IGameDef *gamedef) const; + virtual CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const; + virtual void decrementInput(CraftInput &input, + std::vector &output_replacements, IGameDef *gamedef) const; - virtual std::string dump() const; + virtual CraftHashType getHashType() const { return CRAFT_HASH_TYPE_COUNT; } + virtual u64 getHash(CraftHashType type) const { return 2; } -protected: - virtual void serializeBody(std::ostream &os) const; - virtual void deSerializeBody(std::istream &is, int version); + virtual void initHash(IGameDef *gamedef) {} + + virtual std::string dump() const; private: // This is a constant that is added to the wear of the result. @@ -265,34 +308,45 @@ class CraftDefinitionCooking: public CraftDefinition { public: CraftDefinitionCooking(): - output(""), recipe(""), cooktime() + output(""), recipe(""), hash_inited(false), cooktime() {} CraftDefinitionCooking( const std::string &output_, const std::string &recipe_, - float cooktime_): - output(output_), recipe(recipe_), cooktime(cooktime_) + float cooktime_, + const CraftReplacements &replacements_): + output(output_), recipe(recipe_), hash_inited(false), + cooktime(cooktime_), replacements(replacements_) {} virtual ~CraftDefinitionCooking(){} virtual std::string getName() const; virtual bool check(const CraftInput &input, IGameDef *gamedef) const; virtual CraftOutput getOutput(const CraftInput &input, IGameDef *gamedef) const; - virtual void decrementInput(CraftInput &input, IGameDef *gamedef) const; + virtual CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const; + virtual void decrementInput(CraftInput &input, + std::vector &output_replacements, IGameDef *gamedef) const; - virtual std::string dump() const; + virtual CraftHashType getHashType() const; + virtual u64 getHash(CraftHashType type) const; -protected: - virtual void serializeBody(std::ostream &os) const; - virtual void deSerializeBody(std::istream &is, int version); + virtual void initHash(IGameDef *gamedef); + + virtual std::string dump() const; private: // Output itemstring std::string output; // Recipe itemstring std::string recipe; + // Recipe item name + std::string recipe_name; + // bool indicating if initHash has been called already + bool hash_inited; // Time in seconds float cooktime; + // Replacement items for decrementInput() + CraftReplacements replacements; }; /* @@ -303,29 +357,40 @@ class CraftDefinitionFuel: public CraftDefinition { public: CraftDefinitionFuel(): - recipe(""), burntime() + recipe(""), hash_inited(false), burntime() {} - CraftDefinitionFuel(std::string recipe_, float burntime_): - recipe(recipe_), burntime(burntime_) + CraftDefinitionFuel(std::string recipe_, + float burntime_, + const CraftReplacements &replacements_): + recipe(recipe_), hash_inited(false), burntime(burntime_), replacements(replacements_) {} virtual ~CraftDefinitionFuel(){} virtual std::string getName() const; virtual bool check(const CraftInput &input, IGameDef *gamedef) const; virtual CraftOutput getOutput(const CraftInput &input, IGameDef *gamedef) const; - virtual void decrementInput(CraftInput &input, IGameDef *gamedef) const; + virtual CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const; + virtual void decrementInput(CraftInput &input, + std::vector &output_replacements, IGameDef *gamedef) const; - virtual std::string dump() const; + virtual CraftHashType getHashType() const; + virtual u64 getHash(CraftHashType type) const; + + virtual void initHash(IGameDef *gamedef); -protected: - virtual void serializeBody(std::ostream &os) const; - virtual void deSerializeBody(std::istream &is, int version); + virtual std::string dump() const; private: // Recipe itemstring std::string recipe; + // Recipe item name + std::string recipe_name; + // bool indicating if initHash has been called already + bool hash_inited; // Time in seconds float burntime; + // Replacement items for decrementInput() + CraftReplacements replacements; }; /* @@ -339,12 +404,13 @@ class ICraftDefManager // The main crafting function virtual bool getCraftResult(CraftInput &input, CraftOutput &output, + std::vector &output_replacements, bool decrementInput, IGameDef *gamedef) const=0; - + virtual std::vector getCraftRecipes(CraftOutput &output, + IGameDef *gamedef, unsigned limit=0) const=0; + // Print crafting recipes for debugging virtual std::string dump() const=0; - - virtual void serialize(std::ostream &os) const=0; }; class IWritableCraftDefManager : public ICraftDefManager @@ -355,19 +421,23 @@ class IWritableCraftDefManager : public ICraftDefManager // The main crafting function virtual bool getCraftResult(CraftInput &input, CraftOutput &output, + std::vector &output_replacements, bool decrementInput, IGameDef *gamedef) const=0; + virtual std::vector getCraftRecipes(CraftOutput &output, + IGameDef *gamedef, unsigned limit=0) const=0; // Print crafting recipes for debugging virtual std::string dump() const=0; // Add a crafting definition. // After calling this, the pointer belongs to the manager. - virtual void registerCraft(CraftDefinition *def)=0; + virtual void registerCraft(CraftDefinition *def, IGameDef *gamedef) = 0; + // Delete all crafting definitions virtual void clear()=0; - virtual void serialize(std::ostream &os) const=0; - virtual void deSerialize(std::istream &is)=0; + // To be called after all mods are loaded, so that we catch all aliases + virtual void initHashes(IGameDef *gamedef) = 0; }; IWritableCraftDefManager* createCraftDefManager();