minetest.git - modified minetest for gpcfs purposes

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Diffstat (limited to 'client/shaders/selection_shader')

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/* Minetest-c55 Copyright (C) 2010-2011 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 General Public License as published by the Free Software Foundation; either version 2 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 General Public License for more details. You should have received a copy of the GNU 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. */ #ifndef SERVER_HEADER #define SERVER_HEADER #include "connection.h" #include "environment.h" #include "common_irrlicht.h" #include <string> #include "porting.h" #include "map.h" #include "inventory.h" #include "auth.h" #include "ban.h" /* Some random functions */ 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 { public: BlockEmergeQueue() { m_mutex.Init(); } ~BlockEmergeQueue() { JMutexAutoLock lock(m_mutex); core::list<QueuedBlockEmerge*>::Iterator i; for(i=m_queue.begin(); i!=m_queue.end(); i++) { QueuedBlockEmerge *q = *i; delete q; } } /* 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(); }; class EmergeThread : public SimpleThread { Server *m_server; public: EmergeThread(Server *server): SimpleThread(), m_server(server) { } void * Thread(); void trigger() { setRun(true); if(IsRunning() == false) { Start(); } } }; struct PlayerInfo { u16 id; char name[PLAYERNAME_SIZE]; v3f position; Address address; float avg_rtt; PlayerInfo(); void PrintLine(std::ostream *s); }; u32 PIChecksum(core::list<PlayerInfo> &l); /* Used for queueing and sorting block transfers in containers Lower priority number means higher priority. */ struct PrioritySortedBlockTransfer { PrioritySortedBlockTransfer(float a_priority, v3s16 a_pos, u16 a_peer_id) { priority = a_priority; pos = a_pos; peer_id = a_peer_id; } bool operator < (PrioritySortedBlockTransfer &other) { return priority < other.priority; } float priority; v3s16 pos; u16 peer_id; }; class RemoteClient { public: // peer_id=0 means this client has no associated peer // NOTE: If client is made allowed to exist while peer doesn't, // this has to be set to 0 when there is no peer. // Also, the client must be moved to some other container. u16 peer_id; // The serialization version to use with the client u8 serialization_version; // u16 net_proto_version; // Version is stored in here after INIT before INIT2 u8 pending_serialization_version; RemoteClient(): m_time_from_building(9999), m_excess_gotblocks(0) { peer_id = 0; serialization_version = SER_FMT_VER_INVALID; net_proto_version = 0; pending_serialization_version = SER_FMT_VER_INVALID; m_nearest_unsent_d = 0; m_nearest_unsent_reset_timer = 0.0; m_nothing_to_send_counter = 0; m_nothing_to_send_pause_timer = 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); /* Connection and environment should be locked when this is called. steps() objects of blocks not found in active_blocks, then adds those blocks to active_blocks */ void SendObjectData( Server *server, float dtime, core::map<v3s16, bool> &stepped_blocks ); void GotBlock(v3s16 p); void SentBlock(v3s16 p); void SetBlockNotSent(v3s16 p); void SetBlocksNotSent(core::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. //void RunSendingTimeouts(float dtime, float timeout); void PrintInfo(std::ostream &o) { o<<"RemoteClient "<<peer_id<<": " <<"m_blocks_sent.size()="<<m_blocks_sent.size() <<", m_blocks_sending.size()="<<m_blocks_sending.size() <<", m_nearest_unsent_d="<<m_nearest_unsent_d <<", m_excess_gotblocks="<<m_excess_gotblocks <<std::endl; m_excess_gotblocks = 0; } // 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; private: /* Blocks that have been sent to client. - 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; 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. - The size of this list is limited to some value Block is added when it is sent with BLOCKDATA. Block is removed when GOTBLOCKS is received. Value is time from sending. (not used at the moment) */ core::map<v3s16, float> m_blocks_sending; /* Count of excess GotBlocks(). There is an excess amount because the client sometimes gets a block so late that the server sends it again, and the client then sends two 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: /* NOTE: Every public method should be thread-safe */ Server( std::string mapsavedir, std::string configpath ); ~Server(); void start(unsigned short port); void stop(); // This is mainly a way to pass the time to the server. // Actual processing is done in an another thread. void step(float dtime); // This is run by ServerThread and does the actual processing void AsyncRunStep(); void Receive(); void ProcessData(u8 *data, u32 datasize, u16 peer_id); core::list<PlayerInfo> getPlayerInfo(); /*u32 getDayNightRatio() { return time_to_daynight_ratio(m_time_of_day.get()); }*/ // Environment must be locked when called void setTimeOfDay(u32 time) { m_env.setTimeOfDay(time); m_time_of_day_send_timer = 0; } bool getShutdownRequested() { return m_shutdown_requested; } /* Shall be called with the environment locked. This is accessed by the map, which is inside the environment, so it shouldn't be a problem. */ void onMapEditEvent(MapEditEvent *event); /* Shall be called with the environment and the connection locked. */ Inventory* getInventory(InventoryContext *c, std::string id); void inventoryModified(InventoryContext *c, std::string id); // Connection must be locked when called std::wstring getStatusString(); void requestShutdown(void) { m_shutdown_requested = true; } // Envlock and conlock should be locked when calling this void SendMovePlayer(Player *player); u64 getPlayerAuthPrivs(const std::string &name) { try{ return m_authmanager.getPrivs(name); } catch(AuthNotFoundException &e) { dstream<<"WARNING: Auth not found for "<<name<<std::endl; return 0; } } void setPlayerAuthPrivs(const std::string &name, u64 privs) { try{ return m_authmanager.setPrivs(name, privs); } catch(AuthNotFoundException &e) { dstream<<"WARNING: Auth not found for "<<name<<std::endl; } } // 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); } con::Peer* getPeerNoEx(u16 peer_id) { return m_con.GetPeerNoEx(peer_id); } // Envlock and conlock should be locked when calling this void notifyPlayer(const char *name, const std::wstring msg); void notifyPlayers(const std::wstring msg); private: // con::PeerHandler implementation. // These queue stuff to be processed by handlePeerChanges(). // 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 SendHP(con::Connection &con, u16 peer_id, u8 hp); 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); /* Non-static send methods */ // Envlock and conlock should be locked when calling these void SendObjectData(float dtime); void SendPlayerInfos(); void SendInventory(u16 peer_id); // send wielded item info about player to all void SendWieldedItem(const Player *player); // send wielded item info about all players to all players void SendPlayerItems(); void SendChatMessage(u16 peer_id, const std::wstring &message); void BroadcastChatMessage(const std::wstring &message); void SendPlayerHP(Player *player); /* Send a node removal/addition event to all clients except ignore_id. Additionally, if far_players!=NULL, players further away than far_d_nodes are ignored and their peer_ids are added to far_players */ // 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); void sendAddNode(v3s16 p, MapNode n, u16 ignore_id=0, core::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); // Sends blocks to clients (locks env and con on its own) void SendBlocks(float dtime); /* Something random */ void HandlePlayerHP(Player *player, s16 damage); void RespawnPlayer(Player *player); 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)


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