/*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
#define SERVER_HEADER
#include "connection.h"
-#include "environment.h"
-#include "irrlichttypes_bloated.h"
-#include <string>
-#include "porting.h"
+#include "irr_v3d.h"
#include "map.h"
-#include "inventory.h"
-#include "ban.h"
+#include "hud.h"
#include "gamedef.h"
#include "serialization.h" // For SER_FMT_VER_INVALID
#include "mods.h"
#include "inventorymanager.h"
#include "subgame.h"
-#include "sound.h"
-#include "util/thread.h"
-#include "util/string.h"
#include "rollback_interface.h" // Needed for rollbackRevertActions()
-#include <list> // Needed for rollbackRevertActions()
+#include "util/numeric.h"
+#include "util/thread.h"
+#include "environment.h"
+#include <string>
+#include <list>
+#include <map>
+#include <vector>
+
+#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
-struct LuaState;
-typedef struct lua_State lua_State;
class IWritableItemDefManager;
class IWritableNodeDefManager;
class IWritableCraftDefManager;
+class BanManager;
class EventManager;
+class Inventory;
+class Player;
class PlayerSAO;
class IRollbackManager;
+class EmergeManager;
+class GameScripting;
+class ServerEnvironment;
+struct SimpleSoundSpec;
+
class ServerError : public std::exception
{
*/
v3f findSpawnPos(ServerMap &map);
-/*
- A structure containing the data needed for queueing the fetching
- of blocks.
-*/
-struct QueuedBlockEmerge
-{
- v3s16 pos;
- // key = peer_id, value = flags
- core::map<u16, u8> peer_ids;
-};
-/*
- This is a thread-safe class.
-*/
-class BlockEmergeQueue
+class MapEditEventIgnorer
{
public:
- BlockEmergeQueue()
+ MapEditEventIgnorer(bool *flag):
+ m_flag(flag)
{
- m_mutex.Init();
+ if(*m_flag == false)
+ *m_flag = true;
+ else
+ m_flag = NULL;
}
- ~BlockEmergeQueue()
+ ~MapEditEventIgnorer()
{
- JMutexAutoLock lock(m_mutex);
-
- core::list<QueuedBlockEmerge*>::Iterator i;
- for(i=m_queue.begin(); i!=m_queue.end(); i++)
+ if(m_flag)
{
- QueuedBlockEmerge *q = *i;
- delete q;
+ assert(*m_flag);
+ *m_flag = false;
}
}
-
- /*
- peer_id=0 adds with nobody to send to
- */
- void addBlock(u16 peer_id, v3s16 pos, u8 flags)
- {
- DSTACK(__FUNCTION_NAME);
-
- JMutexAutoLock lock(m_mutex);
-
- if(peer_id != 0)
- {
- /*
- Find if block is already in queue.
- If it is, update the peer to it and quit.
- */
- core::list<QueuedBlockEmerge*>::Iterator i;
- for(i=m_queue.begin(); i!=m_queue.end(); i++)
- {
- QueuedBlockEmerge *q = *i;
- if(q->pos == pos)
- {
- q->peer_ids[peer_id] = flags;
- return;
- }
- }
- }
-
- /*
- Add the block
- */
- QueuedBlockEmerge *q = new QueuedBlockEmerge;
- q->pos = pos;
- if(peer_id != 0)
- q->peer_ids[peer_id] = flags;
- m_queue.push_back(q);
- }
-
- // Returned pointer must be deleted
- // Returns NULL if queue is empty
- QueuedBlockEmerge * pop()
- {
- JMutexAutoLock lock(m_mutex);
-
- core::list<QueuedBlockEmerge*>::Iterator i = m_queue.begin();
- if(i == m_queue.end())
- return NULL;
- QueuedBlockEmerge *q = *i;
- m_queue.erase(i);
- return q;
- }
-
- u32 size()
- {
- JMutexAutoLock lock(m_mutex);
- return m_queue.size();
- }
-
- u32 peerItemCount(u16 peer_id)
- {
- JMutexAutoLock lock(m_mutex);
-
- u32 count = 0;
-
- core::list<QueuedBlockEmerge*>::Iterator i;
- for(i=m_queue.begin(); i!=m_queue.end(); i++)
- {
- QueuedBlockEmerge *q = *i;
- if(q->peer_ids.find(peer_id) != NULL)
- count++;
- }
-
- return count;
- }
private:
- core::list<QueuedBlockEmerge*> m_queue;
- JMutex m_mutex;
-};
-
-class Server;
-
-class ServerThread : public SimpleThread
-{
- Server *m_server;
-
-public:
-
- ServerThread(Server *server):
- SimpleThread(),
- m_server(server)
- {
- }
-
- void * Thread();
+ bool *m_flag;
};
-class EmergeThread : public SimpleThread
+class MapEditEventAreaIgnorer
{
- Server *m_server;
-
public:
-
- EmergeThread(Server *server):
- SimpleThread(),
- m_server(server)
+ MapEditEventAreaIgnorer(VoxelArea *ignorevariable, const VoxelArea &a):
+ m_ignorevariable(ignorevariable)
{
+ if(m_ignorevariable->getVolume() == 0)
+ *m_ignorevariable = a;
+ else
+ m_ignorevariable = NULL;
}
- void * Thread();
-
- void trigger()
+ ~MapEditEventAreaIgnorer()
{
- setRun(true);
- if(IsRunning() == false)
+ if(m_ignorevariable)
{
- Start();
+ assert(m_ignorevariable->getVolume() != 0);
+ *m_ignorevariable = VoxelArea();
}
}
-};
-struct PlayerInfo
-{
- u16 id;
- char name[PLAYERNAME_SIZE];
- v3f position;
- Address address;
- float avg_rtt;
-
- PlayerInfo();
- void PrintLine(std::ostream *s);
+private:
+ VoxelArea *m_ignorevariable;
};
+class Server;
+class ServerThread;
+
/*
Used for queueing and sorting block transfers in containers
-
+
Lower priority number means higher priority.
*/
struct PrioritySortedBlockTransfer
pos = a_pos;
peer_id = a_peer_id;
}
- bool operator < (PrioritySortedBlockTransfer &other)
+ bool operator < (const PrioritySortedBlockTransfer &other) const
{
return priority < other.priority;
}
max_hear_distance(32*BS),
loop(false)
{}
-
+
v3f getPos(ServerEnvironment *env, bool *pos_exists) const;
};
bool definitions_sent;
+ bool denied;
+
RemoteClient():
m_time_from_building(9999),
m_excess_gotblocks(0)
net_proto_version = 0;
pending_serialization_version = SER_FMT_VER_INVALID;
definitions_sent = false;
+ denied = false;
m_nearest_unsent_d = 0;
m_nearest_unsent_reset_timer = 0.0;
m_nothing_to_send_counter = 0;
~RemoteClient()
{
}
-
+
/*
Finds block that should be sent next to the client.
Environment should be locked when this is called.
dtime is used for resetting send radius at slow interval
*/
void GetNextBlocks(Server *server, float dtime,
- core::array<PrioritySortedBlockTransfer> &dest);
+ std::vector<PrioritySortedBlockTransfer> &dest);
void GotBlock(v3s16 p);
void SentBlock(v3s16 p);
void SetBlockNotSent(v3s16 p);
- void SetBlocksNotSent(core::map<v3s16, MapBlock*> &blocks);
+ void SetBlocksNotSent(std::map<v3s16, MapBlock*> &blocks);
s32 SendingCount()
{
return m_blocks_sending.size();
}
-
+
// Increments timeouts and removes timed-out blocks from list
// NOTE: This doesn't fix the server-not-sending-block bug
// because it is related to emerging, not sending.
// Time from last placing or removing blocks
float m_time_from_building;
-
+
/*JMutex m_dig_mutex;
float m_dig_time_remaining;
// -1 = not digging
s16 m_dig_tool_item;
v3s16 m_dig_position;*/
-
+
/*
List of active objects that the client knows of.
Value is dummy.
*/
- core::map<u16, bool> m_known_objects;
+ std::set<u16> m_known_objects;
private:
/*
- These don't have to be sent again.
- A block is cleared from here when client says it has
deleted it from it's memory
-
+
Key is position, value is dummy.
No MapBlock* is stored here because the blocks can get deleted.
*/
- core::map<v3s16, bool> m_blocks_sent;
+ std::set<v3s16> m_blocks_sent;
s16 m_nearest_unsent_d;
v3s16 m_last_center;
float m_nearest_unsent_reset_timer;
-
+
/*
Blocks that are currently on the line.
This is used for throttling the sending of blocks.
Block is removed when GOTBLOCKS is received.
Value is time from sending. (not used at the moment)
*/
- core::map<v3s16, float> m_blocks_sending;
+ std::map<v3s16, float> m_blocks_sending;
/*
Count of excess GotBlocks().
This is resetted by PrintInfo()
*/
u32 m_excess_gotblocks;
-
+
// CPU usage optimization
u32 m_nothing_to_send_counter;
float m_nothing_to_send_pause_timer;
};
class Server : public con::PeerHandler, public MapEventReceiver,
- public InventoryManager, public IGameDef,
- public IBackgroundBlockEmerger
+ public InventoryManager, public IGameDef
{
public:
/*
NOTE: Every public method should be thread-safe
*/
-
+
Server(
const std::string &path_world,
- const std::string &path_config,
const SubgameSpec &gamespec,
bool simple_singleplayer_mode
);
void Receive();
void ProcessData(u8 *data, u32 datasize, u16 peer_id);
- core::list<PlayerInfo> getPlayerInfo();
-
// Environment must be locked when called
- void setTimeOfDay(u32 time)
- {
- m_env->setTimeOfDay(time);
- m_time_of_day_send_timer = 0;
- }
+ void setTimeOfDay(u32 time);
bool getShutdownRequested()
{
return m_shutdown_requested;
}
-
+
/*
Shall be called with the environment locked.
This is accessed by the map, which is inside the environment,
// Envlock + conlock
s32 playSound(const SimpleSoundSpec &spec, const ServerSoundParams ¶ms);
void stopSound(s32 handle);
-
+
// Envlock + conlock
std::set<std::string> getPlayerEffectivePrivs(const std::string &name);
bool checkPriv(const std::string &name, const std::string &priv);
void reportPrivsModified(const std::string &name=""); // ""=all
void reportInventoryFormspecModified(const std::string &name);
- // Saves g_settings to configpath given at initialization
- void saveConfig();
-
- void setIpBanned(const std::string &ip, const std::string &name)
- {
- m_banmanager.add(ip, name);
- return;
- }
-
- void unsetIpBanned(const std::string &ip_or_name)
- {
- m_banmanager.remove(ip_or_name);
- return;
- }
-
- std::string getBanDescription(const std::string &ip_or_name)
- {
- return m_banmanager.getBanDescription(ip_or_name);
- }
+ void setIpBanned(const std::string &ip, const std::string &name);
+ void unsetIpBanned(const std::string &ip_or_name);
+ std::string getBanDescription(const std::string &ip_or_name);
Address getPeerAddress(u16 peer_id)
{
return m_con.GetPeerAddress(peer_id);
}
-
+
// Envlock and conlock should be locked when calling this
- void notifyPlayer(const char *name, const std::wstring msg);
+ void notifyPlayer(const char *name, const std::wstring msg, const bool prepend);
void notifyPlayers(const std::wstring msg);
+ void spawnParticle(const char *playername,
+ v3f pos, v3f velocity, v3f acceleration,
+ float expirationtime, float size,
+ bool collisiondetection, std::string texture);
+
+ void spawnParticleAll(v3f pos, v3f velocity, v3f acceleration,
+ float expirationtime, float size,
+ bool collisiondetection, std::string texture);
+
+ u32 addParticleSpawner(const char *playername,
+ u16 amount, float spawntime,
+ v3f minpos, v3f maxpos,
+ v3f minvel, v3f maxvel,
+ v3f minacc, v3f maxacc,
+ float minexptime, float maxexptime,
+ float minsize, float maxsize,
+ bool collisiondetection, std::string texture);
+
+ u32 addParticleSpawnerAll(u16 amount, float spawntime,
+ v3f minpos, v3f maxpos,
+ v3f minvel, v3f maxvel,
+ v3f minacc, v3f maxacc,
+ float minexptime, float maxexptime,
+ float minsize, float maxsize,
+ bool collisiondetection, std::string texture);
+
+ void deleteParticleSpawner(const char *playername, u32 id);
+ void deleteParticleSpawnerAll(u32 id);
- void queueBlockEmerge(v3s16 blockpos, bool allow_generate);
-
// Creates or resets inventory
Inventory* createDetachedInventory(const std::string &name);
-
- // Envlock and conlock should be locked when using Lua
- lua_State *getLua(){ return m_lua; }
+
+ // Envlock and conlock should be locked when using scriptapi
+ GameScripting *getScriptIface(){ return m_script; }
// Envlock should be locked when using the rollback manager
IRollbackManager *getRollbackManager(){ return m_rollback; }
+
+ //TODO: determine what (if anything) should be locked to access EmergeManager
+ EmergeManager *getEmergeManager(){ return m_emerge; }
+
// actions: time-reversed list
// Return value: success/failure
bool rollbackRevertActions(const std::list<RollbackAction> &actions,
std::list<std::string> *log);
-
+
// IGameDef interface
// Under envlock
virtual IItemDefManager* getItemDefManager();
virtual INodeDefManager* getNodeDefManager();
virtual ICraftDefManager* getCraftDefManager();
virtual ITextureSource* getTextureSource();
+ virtual IShaderSource* getShaderSource();
virtual u16 allocateUnknownNodeId(const std::string &name);
virtual ISoundManager* getSoundManager();
virtual MtEventManager* getEventManager();
virtual IRollbackReportSink* getRollbackReportSink();
-
+
IWritableItemDefManager* getWritableItemDefManager();
IWritableNodeDefManager* getWritableNodeDefManager();
IWritableCraftDefManager* getWritableCraftDefManager();
const ModSpec* getModSpec(const std::string &modname);
- void getModNames(core::list<std::string> &modlist);
+ void getModNames(std::list<std::string> &modlist);
std::string getBuiltinLuaPath();
-
+
std::string getWorldPath(){ return m_path_world; }
bool isSingleplayer(){ return m_simple_singleplayer_mode; }
m_async_fatal_error.set(error);
}
+ bool showFormspec(const char *name, const std::string &formspec, const std::string &formname);
+ Map & getMap() { return m_env->getMap(); }
+ ServerEnvironment & getEnv() { return *m_env; }
+
+ u32 hudAdd(Player *player, HudElement *element);
+ bool hudRemove(Player *player, u32 id);
+ bool hudChange(Player *player, u32 id, HudElementStat stat, void *value);
+ bool hudSetFlags(Player *player, u32 flags, u32 mask);
+ bool hudSetHotbarItemcount(Player *player, s32 hotbar_itemcount);
+ void hudSetHotbarImage(Player *player, std::string name);
+ void hudSetHotbarSelectedImage(Player *player, std::string name);
+
private:
// con::PeerHandler implementation.
// As of now, these create and remove clients and players.
void peerAdded(con::Peer *peer);
void deletingPeer(con::Peer *peer, bool timeout);
-
+
/*
Static send methods
*/
-
+
+ static void SendMovement(con::Connection &con, u16 peer_id);
static void SendHP(con::Connection &con, u16 peer_id, u8 hp);
+ static void SendBreath(con::Connection &con, u16 peer_id, u16 breath);
static void SendAccessDenied(con::Connection &con, u16 peer_id,
const std::wstring &reason);
static void SendDeathscreen(con::Connection &con, u16 peer_id,
bool set_camera_point_target, v3f camera_point_target);
static void SendItemDef(con::Connection &con, u16 peer_id,
- IItemDefManager *itemdef);
+ IItemDefManager *itemdef, u16 protocol_version);
static void SendNodeDef(con::Connection &con, u16 peer_id,
INodeDefManager *nodedef, u16 protocol_version);
-
+
/*
Non-static send methods.
Conlock should be always used.
void SendInventory(u16 peer_id);
void SendChatMessage(u16 peer_id, const std::wstring &message);
void BroadcastChatMessage(const std::wstring &message);
+ void SendTimeOfDay(u16 peer_id, u16 time, f32 time_speed);
void SendPlayerHP(u16 peer_id);
+ void SendPlayerBreath(u16 peer_id);
void SendMovePlayer(u16 peer_id);
void SendPlayerPrivileges(u16 peer_id);
void SendPlayerInventoryFormspec(u16 peer_id);
+ void SendShowFormspecMessage(u16 peer_id, const std::string formspec, const std::string formname);
+ void SendHUDAdd(u16 peer_id, u32 id, HudElement *form);
+ void SendHUDRemove(u16 peer_id, u32 id);
+ void SendHUDChange(u16 peer_id, u32 id, HudElementStat stat, void *value);
+ void SendHUDSetFlags(u16 peer_id, u32 flags, u32 mask);
+ void SendHUDSetParam(u16 peer_id, u16 param, const std::string &value);
+
/*
Send a node removal/addition event to all clients except ignore_id.
Additionally, if far_players!=NULL, players further away than
*/
// Envlock and conlock should be locked when calling these
void sendRemoveNode(v3s16 p, u16 ignore_id=0,
- core::list<u16> *far_players=NULL, float far_d_nodes=100);
+ std::list<u16> *far_players=NULL, float far_d_nodes=100);
void sendAddNode(v3s16 p, MapNode n, u16 ignore_id=0,
- core::list<u16> *far_players=NULL, float far_d_nodes=100);
+ std::list<u16> *far_players=NULL, float far_d_nodes=100);
void setBlockNotSent(v3s16 p);
-
+
// Environment and Connection must be locked when called
- void SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver);
-
+ void SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver, u16 net_proto_version);
+
// Sends blocks to clients (locks env and con on its own)
void SendBlocks(float dtime);
-
+
void fillMediaCache();
void sendMediaAnnouncement(u16 peer_id);
void sendRequestedMedia(u16 peer_id,
- const core::list<MediaRequest> &tosend);
-
+ const std::list<MediaRequest> &tosend);
+
void sendDetachedInventory(const std::string &name, u16 peer_id);
void sendDetachedInventoryToAll(const std::string &name);
void sendDetachedInventories(u16 peer_id);
+ // Adds a ParticleSpawner on peer with peer_id
+ void SendAddParticleSpawner(u16 peer_id, u16 amount, float spawntime,
+ v3f minpos, v3f maxpos,
+ v3f minvel, v3f maxvel,
+ v3f minacc, v3f maxacc,
+ float minexptime, float maxexptime,
+ float minsize, float maxsize,
+ bool collisiondetection, std::string texture, u32 id);
+
+ // Adds a ParticleSpawner on all peers
+ void SendAddParticleSpawnerAll(u16 amount, float spawntime,
+ v3f minpos, v3f maxpos,
+ v3f minvel, v3f maxvel,
+ v3f minacc, v3f maxacc,
+ float minexptime, float maxexptime,
+ float minsize, float maxsize,
+ bool collisiondetection, std::string texture, u32 id);
+
+ // Deletes ParticleSpawner on a single client
+ void SendDeleteParticleSpawner(u16 peer_id, u32 id);
+
+ // Deletes ParticleSpawner on all clients
+ void SendDeleteParticleSpawnerAll(u32 id);
+
+ // Spawns particle on single client
+ void SendSpawnParticle(u16 peer_id,
+ v3f pos, v3f velocity, v3f acceleration,
+ float expirationtime, float size,
+ bool collisiondetection, std::string texture);
+
+ // Spawns particle on all clients
+ void SendSpawnParticleAll(v3f pos, v3f velocity, v3f acceleration,
+ float expirationtime, float size,
+ bool collisiondetection, std::string texture);
+
/*
Something random
*/
-
+
void DiePlayer(u16 peer_id);
void RespawnPlayer(u16 peer_id);
-
+ void DenyAccess(u16 peer_id, const std::wstring &reason);
+
+ enum ClientDeletionReason {
+ CDR_LEAVE,
+ CDR_TIMEOUT,
+ CDR_DENY
+ };
+ void DeleteClient(u16 peer_id, ClientDeletionReason reason);
+
void UpdateCrafting(u16 peer_id);
-
+
// When called, connection mutex should be locked
RemoteClient* getClient(u16 peer_id);
-
- // When called, environment mutex should be locked
- std::string getPlayerName(u16 peer_id)
- {
- Player *player = m_env->getPlayer(peer_id);
- if(player == NULL)
- return "[id="+itos(peer_id)+"]";
- return player->getName();
- }
+ RemoteClient* getClientNoEx(u16 peer_id);
// When called, environment mutex should be locked
- PlayerSAO* getPlayerSAO(u16 peer_id)
- {
- Player *player = m_env->getPlayer(peer_id);
- if(player == NULL)
- return NULL;
- return player->getPlayerSAO();
- }
+ std::string getPlayerName(u16 peer_id);
+ PlayerSAO* getPlayerSAO(u16 peer_id);
/*
Get a player from memory or creates one.
Call with env and con locked.
*/
PlayerSAO *emergePlayer(const char *name, u16 peer_id);
-
+
// Locks environment and connection by its own
struct PeerChange;
void handlePeerChange(PeerChange &c);
/*
Variables
*/
-
+
// World directory
std::string m_path_world;
- // Path to user's configuration file ("" = no configuration file)
- std::string m_path_config;
// Subgame specification
SubgameSpec m_gamespec;
// If true, do not allow multiple players and hide some multiplayer
// Thread can set; step() will throw as ServerError
MutexedVariable<std::string> m_async_fatal_error;
-
+
// Some timers
float m_liquid_transform_timer;
+ float m_liquid_transform_every;
float m_print_info_timer;
+ float m_masterserver_timer;
float m_objectdata_timer;
float m_emergethread_trigger_timer;
float m_savemap_timer;
IntervalLimiter m_map_timer_and_unload_interval;
-
+
// NOTE: If connection and environment are both to be locked,
// environment shall be locked first.
// Environment
ServerEnvironment *m_env;
JMutex m_env_mutex;
-
+
// Connection
con::Connection m_con;
JMutex m_con_mutex;
// Connected clients (behind the con mutex)
- core::map<u16, RemoteClient*> m_clients;
+ std::map<u16, RemoteClient*> m_clients;
+ u16 m_clients_number; //for announcing masterserver
- // Bann checking
- BanManager m_banmanager;
+ // Ban checking
+ BanManager *m_banmanager;
// Rollback manager (behind m_env_mutex)
IRollbackManager *m_rollback;
bool m_rollback_sink_enabled;
bool m_enable_rollback_recording; // Updated once in a while
+ // Emerge manager
+ EmergeManager *m_emerge;
+
// Scripting
// Envlock and conlock should be locked when using Lua
- lua_State *m_lua;
+ GameScripting *m_script;
// Item definition manager
IWritableItemDefManager *m_itemdef;
-
+
// Node definition manager
IWritableNodeDefManager *m_nodedef;
-
+
// Craft definition manager
IWritableCraftDefManager *m_craftdef;
-
+
// Event manager
EventManager *m_event;
-
+
// Mods
- core::list<ModSpec> m_mods;
-
+ std::vector<ModSpec> m_mods;
+
/*
Threads
*/
-
+
// A buffer for time steps
// step() increments and AsyncRunStep() run by m_thread reads it.
float m_step_dtime;
JMutex m_step_dtime_mutex;
// The server mainly operates in this thread
- ServerThread m_thread;
- // This thread fetches and generates map
- EmergeThread m_emergethread;
- // Queue of block coordinates to be processed by the emerge thread
- BlockEmergeQueue m_emerge_queue;
-
+ ServerThread *m_thread;
+
/*
Time related stuff
*/
float m_time_of_day_send_timer;
// Uptime of server in seconds
MutexedVariable<double> m_uptime;
-
+
/*
Peer change queue.
Queues stuff from peerAdded() and deletingPeer() to
/*
Random stuff
*/
-
+
// Mod parent directory paths
- core::list<std::string> m_modspaths;
+ std::list<std::string> m_modspaths;
bool m_shutdown_requested;
*/
// key = name
std::map<std::string, Inventory*> m_detached_inventories;
+
+ /*
+ Particles
+ */
+ std::vector<u32> m_particlespawner_ids;
};
/*