Fix Lint broken by b662a4577d692329b9ca83525e6039f2ddcd1ac1
[oweals/minetest.git] / src / server.cpp
index 8e93134643f5a830161a220335ab2a8e0b45ab19..2edf83947ddc054e197a387e05928c8dfd23fd73 100644 (file)
@@ -38,7 +38,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "settings.h"
 #include "profiler.h"
 #include "log.h"
-#include "serverscripting.h"
+#include "scripting_server.h"
 #include "nodedef.h"
 #include "itemdef.h"
 #include "craftdef.h"
@@ -60,6 +60,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "util/base64.h"
 #include "util/sha1.h"
 #include "util/hex.h"
+#include "database.h"
 
 class ClientNotFoundException : public BaseException
 {
@@ -177,6 +178,7 @@ Server::Server(
        m_clients(&m_con),
        m_shutdown_requested(false),
        m_shutdown_ask_reconnect(false),
+       m_shutdown_timer(0.0f),
        m_admin_chat(iface),
        m_ignore_map_edit_events(false),
        m_ignore_map_edit_events_peer_id(0),
@@ -598,7 +600,7 @@ void Server::AsyncRunStep(bool initial_step)
                ScopeProfiler sp(g_profiler, "Server: liquid transform");
 
                std::map<v3s16, MapBlock*> modified_blocks;
-               m_env->getMap().transformLiquids(modified_blocks);
+               m_env->getMap().transformLiquids(modified_blocks, m_env);
 #if 0
                /*
                        Update lighting
@@ -1029,6 +1031,39 @@ void Server::AsyncRunStep(bool initial_step)
                        m_env->saveMeta();
                }
        }
+
+       // Timed shutdown
+       static const float shutdown_msg_times[] =
+       {
+               1, 2, 3, 4, 5, 10, 15, 20, 25, 30, 45, 60, 120, 180, 300, 600, 1200, 1800, 3600
+       };
+
+       if (m_shutdown_timer > 0.0f) {
+               // Automated messages
+               if (m_shutdown_timer < shutdown_msg_times[ARRLEN(shutdown_msg_times) - 1]) {
+                       for (u16 i = 0; i < ARRLEN(shutdown_msg_times) - 1; i++) {
+                               // If shutdown timer matches an automessage, shot it
+                               if (m_shutdown_timer > shutdown_msg_times[i] &&
+                                       m_shutdown_timer - dtime < shutdown_msg_times[i]) {
+                                       std::wstringstream ws;
+
+                                       ws << L"*** Server shutting down in "
+                                               << duration_to_string(myround(m_shutdown_timer - dtime)).c_str()
+                                               << ".";
+
+                                       infostream << wide_to_utf8(ws.str()).c_str() << std::endl;
+                                       SendChatMessage(PEER_ID_INEXISTENT, ws.str());
+                                       break;
+                               }
+                       }
+               }
+
+               m_shutdown_timer -= dtime;
+               if (m_shutdown_timer < 0.0f) {
+                       m_shutdown_timer = 0.0f;
+                       m_shutdown_requested = true;
+               }
+       }
 }
 
 void Server::Receive()
@@ -1111,16 +1146,15 @@ PlayerSAO* Server::StageTwoClientInit(u16 peer_id)
        // Send inventory
        SendInventory(playersao);
 
-       // Send HP
-       SendPlayerHPOrDie(playersao);
+       // Send HP or death screen
+       if (playersao->isDead())
+               SendDeathscreen(peer_id, false, v3f(0,0,0));
+       else
+               SendPlayerHPOrDie(playersao);
 
        // Send Breath
        SendPlayerBreath(playersao);
 
-       // Show death screen if necessary
-       if (playersao->isDead())
-               SendDeathscreen(peer_id, false, v3f(0,0,0));
-
        // Note things in chat if not in simple singleplayer mode
        if (!m_simple_singleplayer_mode && g_settings->getBool("show_statusline_on_connect")) {
                // Send information about server to player in chat
@@ -1643,7 +1677,7 @@ void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
                Send(&pkt);
        }
        else {
-               m_clients.sendToAll(0, &pkt, true);
+               m_clients.sendToAll(&pkt);
        }
 }
 
@@ -1762,7 +1796,7 @@ void Server::SendDeleteParticleSpawner(u16 peer_id, u32 id)
                Send(&pkt);
        }
        else {
-               m_clients.sendToAll(0, &pkt, true);
+               m_clients.sendToAll(&pkt);
        }
 
 }
@@ -1867,7 +1901,7 @@ void Server::SendTimeOfDay(u16 peer_id, u16 time, f32 time_speed)
        pkt << time << time_speed;
 
        if (peer_id == PEER_ID_INEXISTENT) {
-               m_clients.sendToAll(0, &pkt, true);
+               m_clients.sendToAll(&pkt);
        }
        else {
                Send(&pkt);
@@ -2520,7 +2554,7 @@ void Server::sendDetachedInventory(const std::string &name, u16 peer_id)
        const std::string &check = m_detached_inventories_player[name];
        if (peer_id == PEER_ID_INEXISTENT) {
                if (check == "")
-                       return m_clients.sendToAll(0, &pkt, true);
+                       return m_clients.sendToAll(&pkt);
                RemotePlayer *p = m_env->getPlayer(check.c_str());
                if (p)
                        m_clients.send(p->peer_id, 0, &pkt, true);
@@ -2585,9 +2619,8 @@ void Server::RespawnPlayer(u16 peer_id)
 
        bool repositioned = m_script->on_respawnplayer(playersao);
        if (!repositioned) {
-               v3f pos = findSpawnPos();
                // setPos will send the new position to client
-               playersao->setPos(pos);
+               playersao->setPos(findSpawnPos());
        }
 
        SendPlayerHP(peer_id);
@@ -2821,25 +2854,14 @@ std::wstring Server::handleChat(const std::string &name, const std::wstring &wna
        // Whether to send line to the player that sent the message, or to all players
        bool broadcast_line = true;
 
-       // Commands are implemented in Lua, so only catch invalid
-       // commands that were not "eaten" and send an error back
-       if (wmessage[0] == L'/') {
-               std::wstring wcmd = wmessage.substr(1);
+       if (check_shout_priv && !checkPriv(name, "shout")) {
+               line += L"-!- You don't have permission to shout.";
                broadcast_line = false;
-               if (wcmd.length() == 0)
-                       line += L"-!- Empty command";
-               else
-                       line += L"-!- Invalid command: " + str_split(wcmd, L' ')[0];
        } else {
-               if (check_shout_priv && !checkPriv(name, "shout")) {
-                       line += L"-!- You don't have permission to shout.";
-                       broadcast_line = false;
-               } else {
-                       line += L"<";
-                       line += wname;
-                       line += L"> ";
-                       line += wmessage;
-               }
+               line += L"<";
+               line += wname;
+               line += L"> ";
+               line += wmessage;
        }
 
        /*
@@ -3420,8 +3442,8 @@ v3f Server::findSpawnPos()
                s32 range = 1 + i;
                // We're going to try to throw the player to this position
                v2s16 nodepos2d = v2s16(
-                               -range + (myrand() % (range * 2)),
-                               -range + (myrand() % (range * 2)));
+                       -range + (myrand() % (range * 2)),
+                       -range + (myrand() % (range * 2)));
 
                // Get spawn level at point
                s16 spawn_level = m_emerge->getSpawnLevelAtPoint(nodepos2d);
@@ -3455,10 +3477,45 @@ v3f Server::findSpawnPos()
        return nodeposf;
 }
 
-PlayerSAO* Server::emergePlayer(const char *name, u16 peer_id, u16 proto_version)
+void Server::requestShutdown(const std::string &msg, bool reconnect, float delay)
 {
-       bool newplayer = false;
+       m_shutdown_timer = delay;
+       m_shutdown_msg = msg;
+       m_shutdown_ask_reconnect = reconnect;
+
+       if (delay == 0.0f) {
+       // No delay, shutdown immediately
+               m_shutdown_requested = true;
+               // only print to the infostream, a chat message saying 
+               // "Server Shutting Down" is sent when the server destructs.
+               infostream << "*** Immediate Server shutdown requested." << std::endl;
+       } else if (delay < 0.0f && m_shutdown_timer > 0.0f) {
+       // Negative delay, cancel shutdown if requested
+               m_shutdown_timer = 0.0f;
+               m_shutdown_msg = "";
+               m_shutdown_ask_reconnect = false;
+               m_shutdown_requested = false;
+               std::wstringstream ws;
+
+               ws << L"*** Server shutdown canceled.";
+
+               infostream << wide_to_utf8(ws.str()).c_str() << std::endl;
+               SendChatMessage(PEER_ID_INEXISTENT, ws.str());
+       } else if (delay > 0.0f) {
+       // Positive delay, tell the clients when the server will shut down
+               std::wstringstream ws;
+
+               ws << L"*** Server shutting down in "
+                               << duration_to_string(myround(m_shutdown_timer)).c_str()
+                               << ".";
 
+               infostream << wide_to_utf8(ws.str()).c_str() << std::endl;
+               SendChatMessage(PEER_ID_INEXISTENT, ws.str());
+       }
+}
+
+PlayerSAO* Server::emergePlayer(const char *name, u16 peer_id, u16 proto_version)
+{
        /*
                Try to get an existing player
        */
@@ -3479,44 +3536,18 @@ PlayerSAO* Server::emergePlayer(const char *name, u16 peer_id, u16 proto_version
                return NULL;
        }
 
-       // Create a new player active object
-       PlayerSAO *playersao = new PlayerSAO(m_env, peer_id, isSingleplayer());
-       player = m_env->loadPlayer(name, playersao);
-
-       // Create player if it doesn't exist
        if (!player) {
-               newplayer = true;
-               player = new RemotePlayer(name, this->idef());
-               // Set player position
-               infostream<<"Server: Finding spawn place for player \""
-                               <<name<<"\""<<std::endl;
-               playersao->setBasePosition(findSpawnPos());
-
-               // Make sure the player is saved
-               player->setModified(true);
-
-               // Add player to environment
-               m_env->addPlayer(player);
-       } else {
-               // If the player exists, ensure that they respawn inside legal bounds
-               // This fixes an assert crash when the player can't be added
-               // to the environment
-               if (objectpos_over_limit(playersao->getBasePosition())) {
-                       actionstream << "Respawn position for player \""
-                               << name << "\" outside limits, resetting" << std::endl;
-                       playersao->setBasePosition(findSpawnPos());
-               }
+               player = new RemotePlayer(name, idef());
        }
 
-       playersao->initialize(player, getPlayerEffectivePrivs(player->getName()));
-
-       player->protocol_version = proto_version;
+       bool newplayer = false;
 
-       /* Clean up old HUD elements from previous sessions */
-       player->clearHud();
+       // Load player
+       PlayerSAO *playersao = m_env->loadPlayer(player, &newplayer, peer_id, isSingleplayer());
 
-       /* Add object to environment */
-       m_env->addActiveObject(playersao);
+       // Complete init with server parts
+       playersao->finalize(player, getPlayerEffectivePrivs(player->getName()));
+       player->protocol_version = proto_version;
 
        /* Run scripts */
        if (newplayer) {
@@ -3569,6 +3600,9 @@ void dedicated_server_loop(Server &server, bool &kill)
                }
                server.step(steplen);
 
+               if (server.getShutdownRequested() || kill)
+                       break;
+
                /*
                        Profiler
                */