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authorAlex “XShell” Schekoldin <sa1904sa@gmail.com>2017-05-24 08:17:48 +0000
committerLoic Blot <loic.blot@unix-experience.fr>2017-06-03 20:02:20 +0200
commitdb05c8fd45193fb50d14d867ac00cbaeec67423a (patch)
tree8a4ff502eddf529211325d62f93c035c7d4234c2 /src/collision.h
parent983bff68e69f2668f8fd3e09daa5a2a09c640e1f (diff)
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generated by cgit v1.2.3 (git 2.39.1) at 2025-02-19 12:24:33 +0000
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/*
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_interface.h"


void push_RollbackNode(lua_State *L, RollbackNode &node)
{
	lua_createtable(L, 0, 3);
	lua_pushstring(L, node.name.c_str());
	lua_setfield(L, -2, "name");
	lua_pushnumber(L, node.param1);
	lua_setfield(L, -2, "param1");
	lua_pushnumber(L, node.param2);
	lua_setfield(L, -2, "param2");
}

// rollback_get_node_actions(pos, range, seconds, limit) -> {{actor, pos, time, oldnode, newnode}, ...}
int ModApiRollback::l_rollback_get_node_actions(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;

	v3s16 pos = read_v3s16(L, 1);
	int range = luaL_checknumber(L, 2);
	time_t seconds = (time_t) luaL_checknumber(L, 3);
	int limit = luaL_checknumber(L, 4);
	Server *server = getServer(L);
	IRollbackManager *rollback = server->getRollbackManager();
	if (rollback == NULL) {
		return 0;
	}

	std::list<RollbackAction> actions = rollback->getNodeActors(pos, range, seconds, limit);
	std::list<RollbackAction>::iterator iter = actions.begin();

	lua_createtable(L, actions.size(), 0);
	for (unsigned int i = 1; iter != actions.end(); ++iter, ++i) {
		lua_createtable(L, 0, 5); // Make a table with enough space pre-allocated

		lua_pushstring(L, iter->actor.c_str());
		lua_setfield(L, -2, "actor");

		push_v3s16(L, iter->p);
		lua_setfield(L, -2, "pos");

		lua_pushnumber(L, iter->unix_time);
		lua_setfield(L, -2, "time");

		push_RollbackNode(L, iter->n_old);
		lua_setfield(L, -2, "oldnode");

		push_RollbackNode(L, iter->n_new);
		lua_setfield(L, -2, "newnode");

		lua_rawseti(L, -2, i); // Add action table to main table
	}

	return 1;
}

// rollback_revert_actions_by(actor, seconds) -> bool, log messages
int ModApiRollback::l_rollback_revert_actions_by(lua_State *L)
{
	MAP_LOCK_REQUIRED;

	std::string actor = luaL_checkstring(L, 1);
	int seconds = luaL_checknumber(L, 2);
	Server *server = getServer(L);