+// register_tool(name, {lots of stuff})
+static int l_register_tool(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ check_modname_prefix(L, name);
+ //infostream<<"register_tool: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+ int table = 2;
+
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable tool definition manager from the server
+ IWritableToolDefManager *tooldef =
+ server->getWritableToolDefManager();
+
+ ToolDefinition def = read_tool_definition(L, table);
+
+ tooldef->registerTool(name, def);
+ return 0; /* number of results */
+}
+
+// register_craftitem(name, {lots of stuff})
+static int l_register_craftitem(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ check_modname_prefix(L, name);
+ //infostream<<"register_craftitem: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+ int table = 2;
+
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable CraftItem definition manager from the server
+ IWritableCraftItemDefManager *craftitemdef =
+ server->getWritableCraftItemDefManager();
+
+ // Check if on_drop is defined
+ lua_getfield(L, table, "on_drop");
+ bool got_on_drop = !lua_isnil(L, -1);
+ lua_pop(L, 1);
+
+ // Check if on_use is defined
+ lua_getfield(L, table, "on_use");
+ bool got_on_use = !lua_isnil(L, -1);
+ lua_pop(L, 1);
+
+ CraftItemDefinition def;
+
+ getstringfield(L, table, "image", def.imagename);
+ getstringfield(L, table, "cookresult_itemstring", def.cookresult_item);
+ getfloatfield(L, table, "furnace_cooktime", def.furnace_cooktime);
+ getfloatfield(L, table, "furnace_burntime", def.furnace_burntime);
+ def.usable = getboolfield_default(L, table, "usable", got_on_use);
+ getboolfield(L, table, "liquids_pointable", def.liquids_pointable);
+ def.dropcount = getintfield_default(L, table, "dropcount", def.dropcount);
+ def.stack_max = getintfield_default(L, table, "stack_max", def.stack_max);
+
+ // If an on_drop callback is defined, force dropcount to 1
+ if (got_on_drop)
+ def.dropcount = 1;
+
+ // Register it
+ craftitemdef->registerCraftItem(name, def);
+
+ lua_pushvalue(L, table);
+ scriptapi_add_craftitem(L, name.c_str());
+
+ return 0; /* number of results */
+}
+
+// register_node(name, {lots of stuff})
+static int l_register_node(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ check_modname_prefix(L, name);
+ //infostream<<"register_node: "<<name<<std::endl;
+ luaL_checktype(L, 2, LUA_TTABLE);
+ int nodedef_table = 2;
+
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable node definition manager from the server
+ IWritableNodeDefManager *nodedef =
+ server->getWritableNodeDefManager();
+
+ // Get default node definition from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_nodedef_default");
+ int nodedef_default = lua_gettop(L);
+
+ /*
+ Add to minetest.registered_nodes with default as metatable
+ */
+
+ // Get the node definition table given as parameter
+ lua_pushvalue(L, nodedef_table);
+
+ // Set __index to point to itself
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, "__index");
+
+ // Set nodedef_default as metatable for the definition
+ lua_pushvalue(L, nodedef_default);
+ lua_setmetatable(L, nodedef_table);
+
+ // minetest.registered_nodes[name] = nodedef
+ lua_getglobal(L, "minetest");
+ lua_getfield(L, -1, "registered_nodes");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ lua_pushstring(L, name.c_str());
+ lua_pushvalue(L, nodedef_table);
+ lua_settable(L, -3);
+
+ /*
+ Create definition
+ */
+
+ ContentFeatures f;
+
+ // Default to getting the corresponding NodeItem when dug
+ f.dug_item = std::string("NodeItem \"")+name+"\" 1";
+
+ // Default to unknown_block.png as all textures
+ f.setAllTextures("unknown_block.png");
+
+ /*
+ Read definiton from Lua
+ */
+
+ f.name = name;
+
+ /* Visual definition */
+
+ f.drawtype = (NodeDrawType)getenumfield(L, nodedef_table, "drawtype", es_DrawType,
+ NDT_NORMAL);
+ getfloatfield(L, nodedef_table, "visual_scale", f.visual_scale);
+
+ lua_getfield(L, nodedef_table, "tile_images");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ int i = 0;
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ if(lua_isstring(L, -1))
+ f.tname_tiles[i] = lua_tostring(L, -1);
+ else
+ f.tname_tiles[i] = "";
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ i++;
+ if(i==6){
+ lua_pop(L, 1);
+ break;
+ }
+ }
+ // Copy last value to all remaining textures
+ if(i >= 1){
+ std::string lastname = f.tname_tiles[i-1];
+ while(i < 6){
+ f.tname_tiles[i] = lastname;
+ i++;
+ }
+ }
+ }
+ lua_pop(L, 1);
+
+ getstringfield(L, nodedef_table, "inventory_image", f.tname_inventory);
+
+ lua_getfield(L, nodedef_table, "special_materials");
+ if(lua_istable(L, -1)){
+ int table = lua_gettop(L);
+ lua_pushnil(L);
+ int i = 0;
+ while(lua_next(L, table) != 0){
+ // key at index -2 and value at index -1
+ int smtable = lua_gettop(L);
+ std::string tname = getstringfield_default(
+ L, smtable, "image", "");
+ bool backface_culling = getboolfield_default(
+ L, smtable, "backface_culling", true);
+ MaterialSpec mspec(tname, backface_culling);
+ f.setSpecialMaterial(i, mspec);
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ i++;
+ if(i==6){
+ lua_pop(L, 1);
+ break;
+ }
+ }
+ }
+ lua_pop(L, 1);
+
+ f.alpha = getintfield_default(L, nodedef_table, "alpha", 255);
+
+ /* Other stuff */
+
+ lua_getfield(L, nodedef_table, "post_effect_color");
+ if(!lua_isnil(L, -1))
+ f.post_effect_color = readARGB8(L, -1);
+ lua_pop(L, 1);
+
+ f.param_type = (ContentParamType)getenumfield(L, nodedef_table, "paramtype",
+ es_ContentParamType, CPT_NONE);
+
+ // True for all ground-like things like stone and mud, false for eg. trees
+ getboolfield(L, nodedef_table, "is_ground_content", f.is_ground_content);
+ f.light_propagates = (f.param_type == CPT_LIGHT);
+ warn_if_field_exists(L, nodedef_table, "light_propagates",
+ "deprecated: determined from paramtype");
+ getboolfield(L, nodedef_table, "sunlight_propagates", f.sunlight_propagates);
+ // This is used for collision detection.
+ // Also for general solidness queries.
+ getboolfield(L, nodedef_table, "walkable", f.walkable);
+ // Player can point to these
+ getboolfield(L, nodedef_table, "pointable", f.pointable);
+ // Player can dig these
+ getboolfield(L, nodedef_table, "diggable", f.diggable);
+ // Player can climb these
+ getboolfield(L, nodedef_table, "climbable", f.climbable);
+ // Player can build on these
+ getboolfield(L, nodedef_table, "buildable_to", f.buildable_to);
+ // If true, param2 is set to direction when placed. Used for torches.
+ // NOTE: the direction format is quite inefficient and should be changed
+ getboolfield(L, nodedef_table, "wall_mounted", f.wall_mounted);
+ // Whether this content type often contains mineral.
+ // Used for texture atlas creation.
+ // Currently only enabled for CONTENT_STONE.
+ getboolfield(L, nodedef_table, "often_contains_mineral", f.often_contains_mineral);
+ // Inventory item string as which the node appears in inventory when dug.
+ // Mineral overrides this.
+ getstringfield(L, nodedef_table, "dug_item", f.dug_item);
+ // Extra dug item and its rarity
+ getstringfield(L, nodedef_table, "extra_dug_item", f.extra_dug_item);
+ // Usual get interval for extra dug item
+ getintfield(L, nodedef_table, "extra_dug_item_rarity", f.extra_dug_item_rarity);
+ // Metadata name of node (eg. "furnace")
+ getstringfield(L, nodedef_table, "metadata_name", f.metadata_name);
+ // Whether the node is non-liquid, source liquid or flowing liquid
+ f.liquid_type = (LiquidType)getenumfield(L, nodedef_table, "liquidtype",
+ es_LiquidType, LIQUID_NONE);
+ // If the content is liquid, this is the flowing version of the liquid.
+ getstringfield(L, nodedef_table, "liquid_alternative_flowing",
+ f.liquid_alternative_flowing);
+ // If the content is liquid, this is the source version of the liquid.
+ getstringfield(L, nodedef_table, "liquid_alternative_source",
+ f.liquid_alternative_source);
+ // Viscosity for fluid flow, ranging from 1 to 7, with
+ // 1 giving almost instantaneous propagation and 7 being
+ // the slowest possible
+ f.liquid_viscosity = getintfield_default(L, nodedef_table,
+ "liquid_viscosity", f.liquid_viscosity);
+ // Amount of light the node emits
+ f.light_source = getintfield_default(L, nodedef_table,
+ "light_source", f.light_source);
+ f.damage_per_second = getintfield_default(L, nodedef_table,
+ "damage_per_second", f.damage_per_second);
+
+ lua_getfield(L, nodedef_table, "selection_box");
+ if(lua_istable(L, -1)){
+ f.selection_box.type = (NodeBoxType)getenumfield(L, -1, "type",
+ es_NodeBoxType, NODEBOX_REGULAR);
+
+ lua_getfield(L, -1, "fixed");
+ if(lua_istable(L, -1))
+ f.selection_box.fixed = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "wall_top");
+ if(lua_istable(L, -1))
+ f.selection_box.wall_top = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "wall_bottom");
+ if(lua_istable(L, -1))
+ f.selection_box.wall_bottom = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
+
+ lua_getfield(L, -1, "wall_side");
+ if(lua_istable(L, -1))
+ f.selection_box.wall_side = read_aabbox3df32(L, -1, BS);
+ lua_pop(L, 1);
+ }
+ lua_pop(L, 1);
+
+ lua_getfield(L, nodedef_table, "material");
+ if(lua_istable(L, -1)){
+ f.material.diggability = (Diggability)getenumfield(L, -1, "diggability",
+ es_Diggability, DIGGABLE_NORMAL);
+
+ getfloatfield(L, -1, "constant_time", f.material.constant_time);
+ getfloatfield(L, -1, "weight", f.material.weight);
+ getfloatfield(L, -1, "crackiness", f.material.crackiness);
+ getfloatfield(L, -1, "crumbliness", f.material.crumbliness);
+ getfloatfield(L, -1, "cuttability", f.material.cuttability);
+ getfloatfield(L, -1, "flammability", f.material.flammability);
+ }
+ lua_pop(L, 1);
+
+ getstringfield(L, nodedef_table, "cookresult_itemstring", f.cookresult_item);
+ getfloatfield(L, nodedef_table, "furnace_cooktime", f.furnace_cooktime);
+ getfloatfield(L, nodedef_table, "furnace_burntime", f.furnace_burntime);
+
+ /*
+ Register it
+ */
+
+ nodedef->set(name, f);
+
+ return 0; /* number of results */
+}
+
+// alias_node(name, convert_to_name)
+static int l_alias_node(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string convert_to = luaL_checkstring(L, 2);
+
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable node definition manager from the server
+ IWritableNodeDefManager *nodedef =
+ server->getWritableNodeDefManager();
+
+ nodedef->setAlias(name, convert_to);
+
+ return 0; /* number of results */
+}
+
+// alias_tool(name, convert_to_name)
+static int l_alias_tool(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string convert_to = luaL_checkstring(L, 2);
+
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable tool definition manager from the server
+ IWritableToolDefManager *tooldef =
+ server->getWritableToolDefManager();
+
+ tooldef->setAlias(name, convert_to);
+
+ return 0; /* number of results */
+}
+
+// alias_craftitem(name, convert_to_name)
+static int l_alias_craftitem(lua_State *L)
+{
+ std::string name = luaL_checkstring(L, 1);
+ std::string convert_to = luaL_checkstring(L, 2);
+
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable CraftItem definition manager from the server
+ IWritableCraftItemDefManager *craftitemdef =
+ server->getWritableCraftItemDefManager();
+
+ craftitemdef->setAlias(name, convert_to);
+
+ return 0; /* number of results */
+}
+
+// register_craft({output=item, recipe={{item00,item10},{item01,item11}})
+static int l_register_craft(lua_State *L)
+{
+ //infostream<<"register_craft"<<std::endl;
+ luaL_checktype(L, 1, LUA_TTABLE);
+ int table0 = 1;
+
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // And get the writable craft definition manager from the server
+ IWritableCraftDefManager *craftdef =
+ server->getWritableCraftDefManager();
+
+ std::string output;
+ int width = 0;
+ std::vector<std::string> input;
+
+ lua_getfield(L, table0, "output");
+ luaL_checktype(L, -1, LUA_TSTRING);
+ if(lua_isstring(L, -1))
+ output = lua_tostring(L, -1);
+ lua_pop(L, 1);
+
+ lua_getfield(L, table0, "recipe");
+ luaL_checktype(L, -1, LUA_TTABLE);
+ if(lua_istable(L, -1)){
+ int table1 = lua_gettop(L);
+ lua_pushnil(L);
+ int rowcount = 0;
+ while(lua_next(L, table1) != 0){
+ int colcount = 0;
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TTABLE);
+ if(lua_istable(L, -1)){
+ int table2 = lua_gettop(L);
+ lua_pushnil(L);
+ while(lua_next(L, table2) != 0){
+ // key at index -2 and value at index -1
+ luaL_checktype(L, -1, LUA_TSTRING);
+ input.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){
+ std::string error;
+ error += "Invalid crafting recipe (output=\""
+ + output + "\")";
+ throw LuaError(L, error);
+ }
+ }
+ // removes value, keeps key for next iteration
+ lua_pop(L, 1);
+ rowcount++;
+ }
+ }
+ lua_pop(L, 1);
+
+ CraftDefinition def(output, width, input);
+ craftdef->registerCraft(def);
+
+ return 0; /* number of results */
+}
+
+// setting_get(name)
+static int l_setting_get(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ try{
+ std::string value = g_settings->get(name);
+ lua_pushstring(L, value.c_str());
+ } catch(SettingNotFoundException &e){
+ lua_pushnil(L);
+ }
+ return 1;
+}
+
+// setting_getbool(name)
+static int l_setting_getbool(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ try{
+ bool value = g_settings->getBool(name);
+ lua_pushboolean(L, value);
+ } catch(SettingNotFoundException &e){
+ lua_pushnil(L);
+ }
+ return 1;
+}
+
+// chat_send_all(text)
+static int l_chat_send_all(lua_State *L)
+{
+ const char *text = luaL_checkstring(L, 1);
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // Send
+ server->notifyPlayers(narrow_to_wide(text));
+ return 0;
+}
+
+// chat_send_player(name, text)
+static int l_chat_send_player(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ const char *text = luaL_checkstring(L, 2);
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // Send
+ server->notifyPlayer(name, narrow_to_wide(text));
+ return 0;
+}
+
+// get_player_privs(name, text)
+static int l_get_player_privs(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // Do it
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ u64 privs_i = server->getPlayerAuthPrivs(name);
+ // Special case for the "name" setting (local player / server owner)
+ if(name == g_settings->get("name"))
+ privs_i = PRIV_ALL;
+ std::set<std::string> privs_s = privsToSet(privs_i);
+ for(std::set<std::string>::const_iterator
+ i = privs_s.begin(); i != privs_s.end(); i++){
+ lua_pushboolean(L, true);
+ lua_setfield(L, table, i->c_str());
+ }
+ lua_pushvalue(L, table);
+ return 1;
+}
+
+// get_modpath(modname)
+static int l_get_modpath(lua_State *L)
+{
+ const char *modname = luaL_checkstring(L, 1);
+ // Get server from registry
+ lua_getfield(L, LUA_REGISTRYINDEX, "minetest_server");
+ Server *server = (Server*)lua_touserdata(L, -1);
+ // Do it
+ const ModSpec *mod = server->getModSpec(modname);
+ if(!mod){
+ lua_pushnil(L);
+ return 1;
+ }
+ lua_pushstring(L, mod->path.c_str());
+ return 1;
+}
+
+static const struct luaL_Reg minetest_f [] = {
+ {"register_nodedef_defaults", l_register_nodedef_defaults},
+ {"register_entity", l_register_entity},
+ {"register_tool", l_register_tool},
+ {"register_craftitem", l_register_craftitem},
+ {"register_node", l_register_node},
+ {"register_craft", l_register_craft},
+ {"register_abm", l_register_abm},
+ {"alias_node", l_alias_node},
+ {"alias_tool", l_alias_tool},
+ {"alias_craftitem", l_alias_craftitem},
+ {"setting_get", l_setting_get},
+ {"setting_getbool", l_setting_getbool},
+ {"chat_send_all", l_chat_send_all},
+ {"chat_send_player", l_chat_send_player},
+ {"get_player_privs", l_get_player_privs},
+ {"get_modpath", l_get_modpath},
+ {NULL, NULL}
+};