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Experimental-ish rollback functionality

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This commit is contained in:
Perttu Ahola 2012-07-26 22:06:45 +03:00
parent 0c91a0d59d
commit 0190f9b077
20 changed files with 1316 additions and 27 deletions
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53
src/scriptapi.cpp
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@ -47,6 +47,7 @@ extern "C" {
#include "daynightratio.h"
#include "noise.h" // PseudoRandom for LuaPseudoRandom
#include "util/pointedthing.h"
#include "rollback.h"
static void stackDump(lua_State *L, std::ostream &o)
{
@ -2106,6 +2107,7 @@ private:
static void reportMetadataChange(NodeMetaRef *ref)
{
// NOTE: This same code is in rollback_interface.cpp
// Inform other things that the metadata has changed
v3s16 blockpos = getNodeBlockPos(ref->m_p);
MapEditEvent event;
@ -4853,6 +4855,55 @@ static int l_get_craft_recipe(lua_State *L)
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;
}
static const struct luaL_Reg minetest_f [] = {
{"debug", l_debug},
{"log", l_log},
@ -4880,6 +4931,8 @@ static const struct luaL_Reg minetest_f [] = {
{"notify_authentication_modified", l_notify_authentication_modified},
{"get_craft_result", l_get_craft_result},
{"get_craft_recipe", l_get_craft_recipe},
{"rollback_get_last_node_actor", l_rollback_get_last_node_actor},
{"rollback_revert_actions_by", l_rollback_revert_actions_by},
{NULL, NULL}
};