index : minetest.git	gpcf lifo-fixes release
	modified minetest for gpcfs purposes	gpcf

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path: root/games/minimal/mods

	Commit message (Expand)	Author	Age
*	Add Mapgen V7, reorganize biomes	kwolekr	2013-04-07
*	unkn own block -> unkn own node	khonkhortisan	2013-04-05
*	Add different place sound for nodes	PilzAdam	2013-03-29
*	Use minetest.register_ore() in minimal	PilzAdam	2013-03-24
*	Mapgen indev: float islands, larger far biomes	proller	2013-03-24
*	Liquid fine tuning	proller	2013-03-14
*	new adjustable finite liquid	proller	2013-02-24
*	Readded and optimized mapgen V6	kwolekr	2013-01-21
*	Add initial Lua biomedef support, fixed biome selection	kwolekr	2013-01-21
*	Add the group attached_node	PilzAdam	2012-12-01
*	Swap out pixel-perfect nyan cat by request of Chris Torres	Perttu Ahola	2012-11-09
*	Add functions to the default mod of minimal game to support old code	PilzAdam	2012-11-01
*	Move falling to builtin	PilzAdam	2012-10-31
*	Fix crash when furnace is full (minimal game)	Perttu Ahola	2012-08-12
*	Deprecate minetest.add_to_creative_inventory and use group not_in_creative_in...	Perttu Ahola	2012-07-25
*	Add notice in the minimal game	Perttu Ahola	2012-07-25
*	Improve inventory callbacks a bit	Perttu Ahola	2012-07-25
*	Detached inventory callbacks and reworked node metadata callbacks	Perttu Ahola	2012-07-25
*	Detached inventories	Perttu Ahola	2012-07-24
*	Add node timer test in minimal/experimental	Perttu Ahola	2012-07-24
*	Move /give, /giveme, /spawnentity and /pulverize to builtin/chatcommands.lua	Perttu Ahola	2012-07-23
*	Formspec button_exit[] and image_button_exit[]	Perttu Ahola	2012-07-22
*	Add /test1 command to minimal for testing a more complicated player inventory...	Perttu Ahola	2012-07-22
*	Implement formspec	darkrose	2012-07-22
*	Actually fix facedir-rotated nodes placed using minetest.env:place_node()	Perttu Ahola	2012-07-21
*	Make lava buckets work as fuel in minimal game	darkrose	2012-07-21
*	Allow defining player's inventory form in Lua	Perttu Ahola	2012-07-19
*	Custom boxy nodes (stairs, slabs) and collision changes	Kahrl	2012-06-17
*	Revert back proper crack texture	Perttu Ahola	2012-06-16
*	Allow node cracking animations of any length	Perttu Ahola	2012-06-16
*	Update field names to non-deprecated ones in node definition prototype	Perttu Ahola	2012-06-16
*	Use new field names and reorder fields a bit in minimal game	Perttu Ahola	2012-06-16
*	Node texture animation	Perttu Ahola	2012-06-16
*	Add experimental_tester_tool_1.png to minimal game (was accidentally left out)	Perttu Ahola	2012-06-08
*	Allow groups in crafting recipes	Perttu Ahola	2012-06-06
*	Add after_destruct and cache the existence of on_construct, on_destruct and a...	Perttu Ahola	2012-06-05
*	place_node, dig_node and punch_node; an in-game tester tool; remove old code	Perttu Ahola	2012-06-05
*	Add InvRef:is_empty(listname) and make chests/furnaces not diggable if not em...	darkrose	2012-06-03
*	fix locked chest to not destroy denied items (minimal game)	darkrose	2012-06-03
*	Add fire visualization to minimal furnace menu	Perttu Ahola	2012-06-03
*	Use proper furnace cook time	Perttu Ahola	2012-06-03
*	Lua implementation of furnace with visible active state	darkrose	2012-06-03
*	Implement locked chest; add after_place_node and after_dig_node node callbacks	Perttu Ahola	2012-06-03
*	minetest.get_craft_result	Perttu Ahola	2012-06-03
*	Implement sign using form field protocol	Perttu Ahola	2012-06-03
*	Properly create metadata inventories in minimal	Perttu Ahola	2012-06-03
*	Random node metadata things	Perttu Ahola	2012-06-03
*	Attempt to begin to implement chests and furnace in Lua (with problems)	Perttu Ahola	2012-06-03
*	Add missing mapgen.lua to games/minimal	Perttu Ahola	2012-04-06
*	experimental:soundblock dig_immediate=3	Perttu Ahola	2012-04-06

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generated by cgit v1.2.3 (git 2.39.1) at 2025-01-29 08:05:37 +0000

/*
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.
*/


#include "lua_api/l_craft.h"
#include "lua_api/l_internal.h"
#include "lua_api/l_item.h"
#include "common/c_converter.h"
#include "common/c_content.h"
#include "server.h"
#include "craftdef.h"

struct EnumString ModApiCraft::es_CraftMethod[] =
{
	{CRAFT_METHOD_NORMAL, "normal"},
	{CRAFT_METHOD_COOKING, "cooking"},
	{CRAFT_METHOD_FUEL, "fuel"},
	{0, NULL},
};

// helper for register_craft
bool ModApiCraft::readCraftRecipeShaped(lua_State *L, int index,
		int &width, std::vector<std::string> &recipe)
{
	if(index < 0)
		index = lua_gettop(L) + 1 + index;

	if(!lua_istable(L, index))
		return false;

	lua_pushnil(L);
	int rowcount = 0;
	while(lua_next(L, index) != 0){
		int colcount = 0;
		// key at index -2 and value at index -1
		if(!lua_istable(L, -1))
			return false;
		int table2 = lua_gettop(L);
		lua_pushnil(L);
		while(lua_next(L, table2) != 0){
			// key at index -2 and value at index -1
			if(!lua_isstring(L, -1))
				return false;
			recipe.push_back(lua_tostring(L, -1));
			// removes value, keeps key for next iteration
			lua_pop(L, 1);
			colcount++;
		}
		if(rowcount == 0){
			width = colcount;
		} else {
			if(colcount != width)
				return false;
		}
		// removes value, keeps key for next iteration
		lua_pop(L, 1);
		rowcount++;
	}
	return width != 0;
}

// helper for register_craft
bool ModApiCraft::readCraftRecipeShapeless(lua_State *L, int index,
		std::vector<std::string> &recipe)
{
	if(index < 0)
		index = lua_gettop(L) + 1 + index;

	if(!lua_istable(L, index))
		return false;

	lua_pushnil(L);
	while(lua_next(L, index) != 0){
		// key at index -2 and value at index -1
		if(!lua_isstring(L, -1))
			return false;
		recipe.push_back(lua_tostring(L, -1));
		// removes value, keeps key for next iteration
		lua_pop(L, 1);
	}
	return true;
}

// helper for register_craft
bool ModApiCraft::readCraftReplacements(lua_State *L, int index,
		CraftReplacements &replacements)
{
	if(index < 0)
		index = lua_gettop(L) + 1 + index;

	if(!lua_istable(L, index))
		return false;

	lua_pushnil(L);
	while(lua_next(L, index) != 0){
		// key at index -2 and value at index -1
		if(!lua_istable(L, -1))
			return false;
		lua_rawgeti(L, -1, 1);
		if(!lua_isstring(L, -1))
			return false;
		std::string replace_from = lua_tostring(L, -1);
		lua_pop(L, 1);
		lua_rawgeti(L, -1, 2);
		if(!lua_isstring(L, -1))
			return false;
		std::string replace_to = lua_tostring(L, -1);
		lua_pop(L, 1);
		replacements.pairs.push_back(
				std::make_pair(replace_from, replace_to));
		// removes value, keeps key for next iteration
		lua_pop(L, 1);
	}
	return true;
}
// register_craft({output=item, recipe={{item00,item10},{item01,item11}})
int ModApiCraft::l_register_craft(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	//infostream<<"register_craft"<<std::endl;
	luaL_checktype(L, 1, LUA_TTABLE);
	int table = 1;

	// Get the writable craft definition manager from the server
	IWritableCraftDefManager *craftdef =
			getServer(L)->getWritableCraftDefManager();

	std::string type = getstringfield_default(L, table, "type", "shaped");

	/*
		CraftDefinitionShaped
	*/
	if(type == "shaped"){
		std::string output = getstringfield_default(L, table, "output", "");
		if(output == "")
			throw LuaError("Crafting definition is missing an output");

		int width = 0;
		std::vector<std::string> recipe;
		lua_getfield(L, table, "recipe");
		if(lua_isnil(L, -1))
			throw LuaError("Crafting definition is missing a recipe"
					" (output=\"" + output + "\")");
		if(!readCraftRecipeShaped(L, -1, width, recipe))
			throw LuaError("Invalid crafting recipe"
					" (output=\"" + output + "\")");

		CraftReplacements replacements;
		lua_getfield(L, table, "replacements");
		if(!lua_isnil(L, -1))
		{
			if(!readCraftReplacements(L, -1, replacements))
				throw LuaError("Invalid replacements"
						" (output=\"" + output + "\")");
		}

		CraftDefinition *def = new CraftDefinitionShaped(
				output, width, recipe, replacements);
		craftdef->registerCraft(def, getServer(L));
	}
	/*
		CraftDefinitionShapeless
	*/
	else if(type == "shapeless"){
		std::string output = getstringfield_default(L, table, "output", "");
		if(output == "")
			throw LuaError("Crafting definition (shapeless)"
					" is missing an output");

		std::vector<std::string> recipe;
		lua_getfield(L, table, "recipe");
		if(lua_isnil(L, -1))
			throw LuaError("Crafting definition (shapeless)"
					" is missing a recipe"
					" (output=\"" + output + "\")");
		if(!readCraftRecipeShapeless(L, -1, recipe))
			throw LuaError("Invalid crafting recipe"
					" (output=\"" + output + "\")");

		CraftReplacements replacements;
		lua_getfield(L, table, "replacements");
		if(!lua_isnil(L, -1))
		{
			if(!readCraftReplacements(L, -1, replacements))
				throw LuaError("Invalid replacements"
						" (output=\"" + output + "\")");
		}

		CraftDefinition *def = new CraftDefinitionShapeless(
				output, recipe, replacements);
		craftdef->registerCraft(def, getServer(L));
	}
	/*
		CraftDefinitionToolRepair
	*/
	else if(type == "toolrepair"){
		float additional_wear = getfloatfield_default(L, table,
				"additional_wear", 0.0);

		CraftDefinition *def = new CraftDefinitionToolRepair(
				additional_wear);
		craftdef->registerCraft(def, getServer(L));
	}
	/*
		CraftDefinitionCooking
	*/
	else if(type == "cooking"){
		std::string output = getstringfield_default(L, table, "output", "");
		if(output == "")
			throw LuaError("Crafting definition (cooking)"
					" is missing an output");

		std::string recipe = getstringfield_default(L, table, "recipe", "");
		if(recipe == "")
			throw LuaError("Crafting definition (cooking)"
					" is missing a recipe"
					" (output=\"" + output + "\")");

		float cooktime = getfloatfield_default(L, table, "cooktime", 3.0);

		CraftReplacements replacements;
		lua_getfield(L, table, "replacements");
		if(!lua_isnil(L, -1))
		{
			if(!readCraftReplacements(L, -1, replacements))
				throw LuaError("Invalid replacements"
						" (cooking output=\"" + output + "\")");
		}

		CraftDefinition *def = new CraftDefinitionCooking(
				output, recipe, cooktime, replacements);
		craftdef->registerCraft(def, getServer(L));
	}
	/*
		CraftDefinitionFuel
	*/
	else if(type == "fuel"){
		std::string recipe = getstringfield_default(L, table, "recipe", "");
		if(recipe == "")
			throw LuaError("Crafting definition (fuel)"
					" is missing a recipe");

		float burntime = getfloatfield_default(L, table, "burntime", 1.0);

		CraftReplacements replacements;
		lua_getfield(L, table, "replacements");
		if(!lua_isnil(L, -1))
		{
			if(!readCraftReplacements(L, -1, replacements))
				throw LuaError("Invalid replacements"
						" (fuel recipe=\"" + recipe + "\")");
		}

		CraftDefinition *def = new CraftDefinitionFuel(
				recipe, burntime, replacements);
		craftdef->registerCraft(def, getServer(L));
	}
	else
	{
		throw LuaError("Unknown crafting definition type: \"" + type + "\"");
	}

	lua_pop(L, 1);
	return 0; /* number of results */
}

// clear_craft({[output=item], [recipe={{item00,item10},{item01,item11}}])
int ModApiCraft::l_clear_craft(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	luaL_checktype(L, 1, LUA_TTABLE);
	int table = 1;

	// Get the writable craft definition manager from the server
	IWritableCraftDefManager *craftdef =
			getServer(L)->getWritableCraftDefManager();

	std::string output = getstringfield_default(L, table, "output", "");
	std::string type = getstringfield_default(L, table, "type", "shaped");
	CraftOutput c_output(output, 0);
	if (output != "") {
		if (craftdef->clearCraftRecipesByOutput(c_output, getServer(L)))
			return 0;
		else
			throw LuaError("No craft recipe known for output"
					" (output=\"" + output + "\")");
	}
	std::vector<std::string> recipe;
	int width = 0;
	CraftMethod method = CRAFT_METHOD_NORMAL;
	/*
		CraftDefinitionShaped
	*/
	if (type == "shaped") {
		lua_getfield(L, table, "recipe");
		if (lua_isnil(L, -1))
			throw LuaError("Either output or recipe has to be defined");
		if (!readCraftRecipeShaped(L, -1, width, recipe))
			throw LuaError("Invalid crafting recipe");
	}
	/*
		CraftDefinitionShapeless
	*/
	else if (type == "shapeless") {
		lua_getfield(L, table, "recipe");
		if (lua_isnil(L, -1))
			throw LuaError("Either output or recipe has to be defined");
		if (!readCraftRecipeShapeless(L, -1, recipe))
			throw LuaError("Invalid crafting recipe");
	}
	/*
		CraftDefinitionCooking
	*/
	else if (type == "cooking") {
		method = CRAFT_METHOD_COOKING;
		std::string rec = getstringfield_default(L, table, "recipe", "");
		if (rec == "")
			throw LuaError("Crafting definition (cooking)"
					" is missing a recipe");
		recipe.push_back(rec);
	}
	/*
		CraftDefinitionFuel
	*/
	else if (type == "fuel") {
		method = CRAFT_METHOD_FUEL;
		std::string rec = getstringfield_default(L, table, "recipe", "");
		if (rec == "")
			throw LuaError("Crafting definition (fuel)"
					" is missing a recipe");
		recipe.push_back(rec);
	} else {
		throw LuaError("Unknown crafting definition type: \"" + type + "\"");
	}
	if (!craftdef->clearCraftRecipesByInput(method, width, recipe, getServer(L)))
		throw LuaError("No crafting specified for input");
	lua_pop(L, 1);
	return 0;
}

// get_craft_result(input)
int ModApiCraft::l_get_craft_result(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	int input_i = 1;
	std::string method_s = getstringfield_default(L, input_i, "method", "normal");
	enum CraftMethod method = (CraftMethod)getenumfield(L, input_i, "method",
				es_CraftMethod, CRAFT_METHOD_NORMAL);
	int width = 1;
	lua_getfield(L, input_i, "width");
	if(lua_isnumber(L, -1))
		width = luaL_checkinteger(L, -1);
	lua_pop(L, 1);
	lua_getfield(L, input_i, "items");
	std::vector<ItemStack> items = read_items(L, -1,getServer(L));
	lua_pop(L, 1); // items

	IGameDef *gdef = getServer(L);
	ICraftDefManager *cdef = gdef->cdef();
	CraftInput input(method, width, items);
	CraftOutput output;
	std::vector<ItemStack> output_replacements;
	bool got = cdef->getCraftResult(input, output, output_replacements, true, gdef);
	lua_newtable(L); // output table
	if (got) {
		ItemStack item;
		item.deSerialize(output.item, gdef->idef());
		LuaItemStack::create(L, item);
		lua_setfield(L, -2, "item");
		setintfield(L, -1, "time", output.time);
		push_items(L, output_replacements);
		lua_setfield(L, -2, "replacements");
	} else {
		LuaItemStack::create(L, ItemStack());
		lua_setfield(L, -2, "item");
		setintfield(L, -1, "time", 0);
		lua_newtable(L);
		lua_setfield(L, -2, "replacements");
	}
	lua_newtable(L); // decremented input table
	lua_pushstring(L, method_s.c_str());
	lua_setfield(L, -2, "method");
	lua_pushinteger(L, width);
	lua_setfield(L, -2, "width");
	push_items(L, input.items);
	lua_setfield(L, -2, "items");
	return 2;
}


static void push_craft_recipe(lua_State *L, IGameDef *gdef,
		const CraftDefinition *recipe,
		const CraftOutput &tmpout)
{
	CraftInput input = recipe->getInput(tmpout, gdef);
	CraftOutput output = recipe->getOutput(input, gdef);

	lua_newtable(L); // items
	std::vector<ItemStack>::const_iterator iter = input.items.begin();
	for (u16 j = 1; iter != input.items.end(); iter++, j++) {
		if (iter->empty())
			continue;
		lua_pushstring(L, iter->name.c_str());
		lua_rawseti(L, -2, j);
	}
	lua_setfield(L, -2, "items");
	setintfield(L, -1, "width", input.width);

	std::string method_s;
	switch (input.method) {
	case CRAFT_METHOD_NORMAL:
		method_s = "normal";
		break;
	case CRAFT_METHOD_COOKING:
		method_s = "cooking";
		break;
	case CRAFT_METHOD_FUEL:
		method_s = "fuel";
		break;
	default:
		method_s = "unknown";
	}
	lua_pushstring(L, method_s.c_str());
	lua_setfield(L, -2, "method");

	// Deprecated, only for compatibility's sake
	lua_pushstring(L, method_s.c_str());
	lua_setfield(L, -2, "type");

	lua_pushstring(L, output.item.c_str());
	lua_setfield(L, -2, "output");
}

static void push_craft_recipes(lua_State *L, IGameDef *gdef,
		const std::vector<CraftDefinition*> &recipes,
		const CraftOutput &output)
{
	lua_createtable(L, recipes.size(), 0);

	if (recipes.empty()) {
		lua_pushnil(L);
		return;
	}

	std::vector<CraftDefinition*>::const_iterator it = recipes.begin();
	for (unsigned i = 0; it != recipes.end(); ++it) {
		lua_newtable(L);
		push_craft_recipe(L, gdef, *it, output);
		lua_rawseti(L, -2, ++i);
	}
}


// get_craft_recipe(result item)