+// get_craft_result(input)
+static int l_get_craft_result(lua_State *L)
+{
+ 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);
+ lua_pop(L, 1); // items
+
+ IGameDef *gdef = get_server(L);
+ ICraftDefManager *cdef = gdef->cdef();
+ CraftInput input(method, width, items);
+ CraftOutput output;
+ bool got = cdef->getCraftResult(input, output, 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);
+ } else {
+ LuaItemStack::create(L, ItemStack());
+ lua_setfield(L, -2, "item");
+ setintfield(L, -1, "time", 0);
+ }
+ 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;
+}
+
+// get_craft_recipe(result item)
+static int l_get_craft_recipe(lua_State *L)
+{
+ int k = 0;
+ char tmp[20];
+ int input_i = 1;
+ std::string o_item = luaL_checkstring(L,input_i);
+
+ IGameDef *gdef = get_server(L);
+ ICraftDefManager *cdef = gdef->cdef();
+ CraftInput input;
+ CraftOutput output(o_item,0);
+ bool got = cdef->getCraftRecipe(input, output, gdef);
+ lua_newtable(L); // output table
+ if(got){
+ lua_newtable(L);
+ for(std::vector<ItemStack>::const_iterator
+ i = input.items.begin();
+ i != input.items.end(); i++, k++)
+ {
+ if (i->empty())
+ {
+ continue;
+ }
+ sprintf(tmp,"%d",k);
+ lua_pushstring(L,tmp);
+ lua_pushstring(L,i->name.c_str());
+ lua_settable(L, -3);
+ }
+ lua_setfield(L, -2, "items");
+ setintfield(L, -1, "width", input.width);
+ switch (input.method) {
+ case CRAFT_METHOD_NORMAL:
+ lua_pushstring(L,"normal");
+ break;
+ case CRAFT_METHOD_COOKING:
+ lua_pushstring(L,"cooking");
+ break;
+ case CRAFT_METHOD_FUEL:
+ lua_pushstring(L,"fuel");
+ break;
+ default:
+ lua_pushstring(L,"unknown");
+ }
+ lua_setfield(L, -2, "type");
+ } else {
+ lua_pushnil(L);
+ lua_setfield(L, -2, "items");
+ setintfield(L, -1, "width", 0);
+ }
+ return 1;
+}
+
+// rollback_get_last_node_actor(p, range, seconds) -> actor, p, seconds
+static int l_rollback_get_last_node_actor(lua_State *L)
+{
+ v3s16 p = read_v3s16(L, 1);
+ int range = luaL_checknumber(L, 2);
+ int seconds = luaL_checknumber(L, 3);
+ Server *server = get_server(L);
+ IRollbackManager *rollback = server->getRollbackManager();
+ v3s16 act_p;
+ int act_seconds = 0;
+ std::string actor = rollback->getLastNodeActor(p, range, seconds, &act_p, &act_seconds);
+ lua_pushstring(L, actor.c_str());
+ push_v3s16(L, act_p);
+ lua_pushnumber(L, act_seconds);
+ return 3;
+}
+
+// rollback_revert_actions_by(actor, seconds) -> bool, log messages
+static int l_rollback_revert_actions_by(lua_State *L)
+{
+ std::string actor = luaL_checkstring(L, 1);
+ int seconds = luaL_checknumber(L, 2);
+ Server *server = get_server(L);
+ IRollbackManager *rollback = server->getRollbackManager();
+ std::list<RollbackAction> actions = rollback->getRevertActions(actor, seconds);
+ std::list<std::string> log;
+ bool success = server->rollbackRevertActions(actions, &log);
+ // Push boolean result
+ lua_pushboolean(L, success);
+ // Get the table insert function and push the log table
+ lua_getglobal(L, "table");
+ lua_getfield(L, -1, "insert");
+ int table_insert = lua_gettop(L);
+ lua_newtable(L);
+ int table = lua_gettop(L);
+ for(std::list<std::string>::const_iterator i = log.begin();
+ i != log.end(); i++)
+ {
+ lua_pushvalue(L, table_insert);
+ lua_pushvalue(L, table);
+ lua_pushstring(L, i->c_str());
+ if(lua_pcall(L, 2, 0, 0))
+ script_error(L, "error: %s", lua_tostring(L, -1));
+ }
+ lua_remove(L, -2); // Remove table
+ lua_remove(L, -2); // Remove insert
+ return 2;
+}
+