mirror of
https://github.com/moparisthebest/minetest
synced 2024-11-17 23:05:07 -05:00
114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "lua_api/l_rollback.h"
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#include "lua_api/l_internal.h"
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#include "common/c_converter.h"
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#include "server.h"
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#include "rollback_interface.h"
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void push_RollbackNode(lua_State *L, RollbackNode &node)
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{
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lua_createtable(L, 0, 3);
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lua_pushstring(L, node.name.c_str());
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lua_setfield(L, -2, "name");
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lua_pushnumber(L, node.param1);
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lua_setfield(L, -2, "param1");
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lua_pushnumber(L, node.param2);
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lua_setfield(L, -2, "param2");
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}
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// rollback_get_node_actions(pos, range, seconds, limit) -> {{actor, pos, time, oldnode, newnode}, ...}
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int ModApiRollback::l_rollback_get_node_actions(lua_State *L)
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{
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v3s16 pos = read_v3s16(L, 1);
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int range = luaL_checknumber(L, 2);
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time_t seconds = (time_t) luaL_checknumber(L, 3);
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int limit = luaL_checknumber(L, 4);
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Server *server = getServer(L);
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IRollbackManager *rollback = server->getRollbackManager();
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if (rollback == NULL) {
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return 0;
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}
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std::list<RollbackAction> actions = rollback->getNodeActors(pos, range, seconds, limit);
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std::list<RollbackAction>::iterator iter = actions.begin();
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lua_createtable(L, actions.size(), 0);
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for (unsigned int i = 1; iter != actions.end(); ++iter, ++i) {
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lua_createtable(L, 0, 5); // Make a table with enough space pre-allocated
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lua_pushstring(L, iter->actor.c_str());
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lua_setfield(L, -2, "actor");
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push_v3s16(L, iter->p);
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lua_setfield(L, -2, "pos");
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lua_pushnumber(L, iter->unix_time);
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lua_setfield(L, -2, "time");
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push_RollbackNode(L, iter->n_old);
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lua_setfield(L, -2, "oldnode");
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push_RollbackNode(L, iter->n_new);
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lua_setfield(L, -2, "newnode");
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lua_rawseti(L, -2, i); // Add action table to main table
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}
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return 1;
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}
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// rollback_revert_actions_by(actor, seconds) -> bool, log messages
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int ModApiRollback::l_rollback_revert_actions_by(lua_State *L)
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{
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std::string actor = luaL_checkstring(L, 1);
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int seconds = luaL_checknumber(L, 2);
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Server *server = getServer(L);
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IRollbackManager *rollback = server->getRollbackManager();
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// If rollback is disabled, tell it's not a success.
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if (rollback == NULL) {
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lua_pushboolean(L, false);
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lua_newtable(L);
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return 2;
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}
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std::list<RollbackAction> actions = rollback->getRevertActions(actor, seconds);
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std::list<std::string> log;
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bool success = server->rollbackRevertActions(actions, &log);
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// Push boolean result
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lua_pushboolean(L, success);
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lua_createtable(L, log.size(), 0);
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unsigned long i = 0;
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for(std::list<std::string>::const_iterator iter = log.begin();
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iter != log.end(); ++i, ++iter) {
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lua_pushnumber(L, i);
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lua_pushstring(L, iter->c_str());
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lua_settable(L, -3);
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}
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return 2;
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}
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void ModApiRollback::Initialize(lua_State *L, int top)
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{
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API_FCT(rollback_get_node_actions);
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API_FCT(rollback_revert_actions_by);
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}
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