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* Private nodemeta (#5702)sfan52017-05-10
* Player attrs: permits to remove an attribute by setting value to nil (#5716)Loïc Blot2017-05-07
* lua: remove core.cause_error call (#5637)Loïc Blot2017-04-22
* Fix not being able to damage players in minimal (#5266)red-0012017-02-18
* Add particle animation, glowsfan52017-01-18
* Add 2D sheet animation for nodessfan52017-01-02
* Added "[sheet" to the texture special commands.Luke Puchner-Hardman2017-01-02
* Minimal game: Use field 'tiles' instead of 'tile_images'Rogier2016-12-24
* Mapgen: Various fixes and improvementsparamat2016-01-11
* Minimal: Add mapgen alias for airparamat2015-12-30
* Fix spelling of noise_thresholdJun Zhang2015-12-06
* Fix relief mapping issuesRealBadAngel2015-07-16
* Minimal: Remove recently added unnecessary nodesparamat2015-07-14
* Simpler patch for saplings trying to grow on unknown nodesShadowNinja2015-06-16
* Add list-ringsest312015-06-16
* Don't crash when saplings try to grow on unknown nodesy.st2015-06-15
* Minimal: Add snow biome and jungleleaves nodes. Add mapgen aliasesparamat2015-06-12
* Minimal: Edit mapgen aliases. Use blob ore for clay, update other ores. Updat...paramat2015-06-09
* Fix NDT_GLASSLIKE normalsKahrl2015-01-31
* Remove builtin_biome.lua from builtin and add simple biome minimalparamat2015-01-11
* Add lua exception handling test codesapier2014-08-23
* Minimal game: add /dummyball <count> commandKahrl2014-08-23
* Add minetest.swap_nodeNovatux2013-11-30
* Change default value of is_ground_content to truekwolekr2013-11-30
* Fix possible crash with grass ABM.Novatux2013-11-02
* Fix grass adding/removing ABM.Novatux2013-11-02
* Move the sapling growing and grass adding/removing ABMs to LuaNovatux2013-11-02
* Remove mapgen_air alias (#935)0gb.us2013-10-05
* Add mapgen_stair_cobble alias to minimalSfan52013-09-06
* Add support for different drowning damage and allow drowning in other nodetypesBlockMen2013-08-06
* Add drowningPilzAdam2013-06-19
* Compress texturesDavid Gumberg2013-06-18
* Move scriptapi to separate folder (by sapier)sapier2013-05-25
* Use the group "soil" for nodes that saplings grow onShadowNinja2013-05-20
* games/minimal: Add menu/background.png and menu/icon.pngPerttu Ahola2013-05-02
* Add Mapgen V7, reorganize biomeskwolekr2013-04-07
* unkn own block -> unkn own nodekhonkhortisan2013-04-05
* Add different place sound for nodesPilzAdam2013-03-29
* Use minetest.register_ore() in minimalPilzAdam2013-03-24
* Mapgen indev: float islands, larger far biomesproller2013-03-24
* Liquid fine tuningproller2013-03-14
* new adjustable finite liquidproller2013-02-24
* Readded and optimized mapgen V6kwolekr2013-01-21
* Add initial Lua biomedef support, fixed biome selectionkwolekr2013-01-21
* Add the group attached_nodePilzAdam2012-12-01
* Swap out pixel-perfect nyan cat by request of Chris TorresPerttu Ahola2012-11-09
* Add functions to the default mod of minimal game to support old codePilzAdam2012-11-01
* Move falling to builtinPilzAdam2012-10-31
* Fix crash when furnace is full (minimal game)Perttu Ahola2012-08-12
* Deprecate minetest.add_to_creative_inventory and use group not_in_creative_in...Perttu Ahola2012-07-25
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-12 09:26:06 +0000
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/*
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 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 Lesser General Public License for more details.

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.
*/

#ifndef CRAFTDEF_HEADER
#define CRAFTDEF_HEADER

#include <string>
#include <iostream>
#include <vector>
#include <utility>
#include "gamedef.h"
#include "inventory.h"

/*
	Crafting methods.

	The crafting method depends on the inventory list
	that the crafting input comes from.
*/
enum CraftMethod
{
	// Crafting grid
	CRAFT_METHOD_NORMAL,
	// Cooking something in a furnace
	CRAFT_METHOD_COOKING,
	// Using something as fuel for a furnace
	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
*/
struct CraftInput
{
	CraftMethod method;
	unsigned int width;
	std::vector<ItemStack> items;

	CraftInput():
		method(CRAFT_METHOD_NORMAL), width(0), items()
	{}
	CraftInput(CraftMethod method_, unsigned int width_,
			const std::vector<ItemStack> &items_):
		method(method_), width(width_), items(items_)
	{}
	std::string dump() const;
};

/*
	Output: Result of crafting operation
*/
struct CraftOutput
{
	// Used for normal crafting and cooking, itemstring
	std::string item;
	// Used for cooking (cook time) and fuel (burn time), seconds
	float time;

	CraftOutput():
		item(""), time(0)
	{}
	CraftOutput(std::string item_, float time_):
		item(item_), time(time_)
	{}
	std::string dump() const;
};

/*
	A list of replacements. A replacement indicates that a specific
	input item should not be deleted (when crafting) but replaced with
	a different item. Each replacements is a pair (itemstring to remove,
	itemstring to replace with)

	Example: If ("bucket:bucket_water", "bucket:bucket_empty") is a
	replacement pair, the crafting input slot that contained a water
	bucket will contain an empty bucket after crafting.

	Note: replacements only work correctly when stack_max of the item
	to be replaced is 1. It is up to the mod writer to ensure this.
*/
struct CraftReplacements
{
	// List of replacements
	std::vector<std::pair<std::string, std::string> > pairs;

	CraftReplacements():
		pairs()
	{}
	CraftReplacements(std::vector<std::pair<std::string, std::string> > pairs_):
		pairs(pairs_)
	{}
	std::string dump() const;
};

/*
	Crafting definition base class
*/
class CraftDefinition
{
public:
	CraftDefinition(){}
	virtual ~CraftDefinition(){}

	// Returns type of crafting definition
	virtual std::string getName() const=0;

	// Checks whether the recipe is applicable
	virtual bool check(const CraftInput &input, IGameDef *gamedef) const=0;
	// 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,
		std::vector<ItemStack> &output_replacements, IGameDef *gamedef) const=0;

	virtual CraftHashType getHashType() const = 0;
	virtual u64 getHash(CraftHashType type) const = 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;
};

/*
	A plain-jane (shaped) crafting definition

	Supported crafting method: CRAFT_METHOD_NORMAL.
	Requires the input items to be arranged exactly like in the recipe.
*/
class CraftDefinitionShaped: public CraftDefinition
{
public:
	CraftDefinitionShaped():
		output(""), width(1), recipe(), hash_inited(false), replacements()
	{}
	CraftDefinitionShaped(
			const std::string &output_,
			unsigned int width_,
			const std::vector<std::string> &recipe_,
			const CraftReplacements &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 CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const;
	virtual void decrementInput(CraftInput &input,
		std::vector<ItemStack> &output_replacements, IGameDef *gamedef) const;

	virtual CraftHashType getHashType() const;
	virtual u64 getHash(CraftHashType type) const;

	virtual void initHash(IGameDef *gamedef);

	virtual std::string dump() const;

private:
	// Output itemstring
	std::string output;
	// Width of recipe
	unsigned int width;
	// Recipe matrix (itemstrings)
	std::vector<std::string> recipe;
	// Recipe matrix (item names)
	std::vector<std::string> recipe_names;
	// bool indicating if initHash has been called already
	bool hash_inited;
	// Replacement items for decrementInput()
	CraftReplacements replacements;
};

/*
	A shapeless crafting definition
	Supported crafting method: CRAFT_METHOD_NORMAL.
	Input items can arranged in any way.
*/
class CraftDefinitionShapeless: public CraftDefinition
{
public:
	CraftDefinitionShapeless():
		output(""), recipe(), hash_inited(false), replacements()
	{}
	CraftDefinitionShapeless(
			const std::string &output_,
			const std::vector<std::string> &recipe_,
			const CraftReplacements &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 CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const;
	virtual void decrementInput(CraftInput &input,
		std::vector<ItemStack> &output_replacements, IGameDef *gamedef) const;

	virtual CraftHashType getHashType() const;
	virtual u64 getHash(CraftHashType type) const;

	virtual void initHash(IGameDef *gamedef);

	virtual std::string dump() const;

private:
	// Output itemstring
	std::string output;
	// Recipe list (itemstrings)
	std::vector<std::string> recipe;
	// Recipe list (item names)
	std::vector<std::string> recipe_names;
	// bool indicating if initHash has been called already
	bool hash_inited;
	// Replacement items for decrementInput()
	CraftReplacements replacements;
};

/*
	Tool repair crafting definition
	Supported crafting method: CRAFT_METHOD_NORMAL.
	Put two damaged tools into the crafting grid, get one tool back.
	There should only be one crafting definition of this type.
*/
class CraftDefinitionToolRepair: public CraftDefinition
{
public:
	CraftDefinitionToolRepair():
		additional_wear(0)
	{}
	CraftDefinitionToolRepair(float additional_wear_):
		additional_wear(additional_wear_)
	{}
	virtual ~CraftDefinitionToolRepair(){}

	virtual std::string getName() const;
	virtual bool check(const CraftInput &input, IGameDef *gamedef) const;
	virtual CraftOutput getOutput(const CraftInput &input, IGameDef *gamedef) const;
	virtual CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const;
	virtual void decrementInput(CraftInput &input,
		std::vector<ItemStack> &output_replacements, IGameDef *gamedef) const;

	virtual CraftHashType getHashType() const { return CRAFT_HASH_TYPE_COUNT; }
	virtual u64 getHash(CraftHashType type) const { return 2; }

	virtual void initHash(IGameDef *gamedef) {}

	virtual std::string dump() const;

private:
	// This is a constant that is added to the wear of the result.
	// May be positive or negative, allowed range [-1,1].
	// 1 = new tool is completely broken
	// 0 = simply add remaining uses of both input tools
	// -1 = new tool is completely pristine
	float additional_wear;
};

/*
	A cooking (in furnace) definition
	Supported crafting method: CRAFT_METHOD_COOKING.
*/
class CraftDefinitionCooking: public CraftDefinition
{
public:
	CraftDefinitionCooking():
		output(""), recipe(""), hash_inited(false), cooktime()
	{}
	CraftDefinitionCooking(
			const std::string &output_,
			const std::string &recipe_,
			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 CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const;
	virtual void decrementInput(CraftInput &input,
		std::vector<ItemStack> &output_replacements, IGameDef *gamedef) const;

	virtual CraftHashType getHashType() const;
	virtual u64 getHash(CraftHashType type) const;

	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;
};

/*
	A fuel (for furnace) definition
	Supported crafting method: CRAFT_METHOD_FUEL.
*/
class CraftDefinitionFuel: public CraftDefinition
{
public:
	CraftDefinitionFuel():
		recipe(""), hash_inited(false), 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 CraftInput getInput(const CraftOutput &output, IGameDef *gamedef) const;
	virtual void decrementInput(CraftInput &input,
		std::vector<ItemStack> &output_replacements, IGameDef *gamedef) const;

	virtual CraftHashType getHashType() const;
	virtual u64 getHash(CraftHashType type) const;

	virtual void initHash(IGameDef *gamedef);

	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;
};

/*
	Crafting definition manager
*/
class ICraftDefManager
{
public:
	ICraftDefManager(){}
	virtual ~ICraftDefManager(){}

	// The main crafting function
	virtual bool getCraftResult(CraftInput &input, CraftOutput &output,
			std::vector<ItemStack> &output_replacements,
			bool decrementInput, IGameDef *gamedef) const=0;
	virtual std::vector<CraftDefinition*> getCraftRecipes(CraftOutput &output,
			IGameDef *gamedef, unsigned limit=0) const=0;

	// Print crafting recipes for debugging
	virtual std::string dump() const=0;
};

class IWritableCraftDefManager : public ICraftDefManager
{
public:
	IWritableCraftDefManager(){}
	virtual ~IWritableCraftDefManager(){}

	// The main crafting function
	virtual bool getCraftResult(CraftInput &input, CraftOutput &output,
			std::vector<ItemStack> &output_replacements,
			bool decrementInput, IGameDef *gamedef) const=0;
	virtual std::vector<CraftDefinition*> 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, IGameDef *gamedef) = 0;

	// Delete all crafting definitions
	virtual void clear()=0;

	// To be called after all mods are loaded, so that we catch all aliases
	virtual void initHashes(IGameDef *gamedef) = 0;
};

IWritableCraftDefManager* createCraftDefManager();

#endif
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-12 09:26:05 +0000