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Diffstat (limited to 'src/script/lua_api/l_rollback.cpp')
-rw-r--r-- | src/script/lua_api/l_rollback.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/script/lua_api/l_rollback.cpp b/src/script/lua_api/l_rollback.cpp new file mode 100644 index 000000000..6076399ae --- /dev/null +++ b/src/script/lua_api/l_rollback.cpp @@ -0,0 +1,80 @@ +/* +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_rollback.h" +#include "lua_api/l_internal.h" +#include "common/c_converter.h" +#include "server.h" +#include "rollback.h" + + +// rollback_get_last_node_actor(p, range, seconds) -> actor, p, seconds +int ModApiRollback::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 = getServer(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 +int ModApiRollback::l_rollback_revert_actions_by(lua_State *L) +{ + std::string actor = luaL_checkstring(L, 1); + int seconds = luaL_checknumber(L, 2); + Server *server = getServer(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; +} + +void ModApiRollback::Initialize(lua_State *L, int top) +{ + API_FCT(rollback_get_last_node_actor); + API_FCT(rollback_revert_actions_by); +} |