Fix Lint broken by b662a4577d692329b9ca83525e6039f2ddcd1ac1
[oweals/minetest.git] / src / clientiface.cpp
index 3330e0af916e1690e90c14304cc5ef70b8b08c9d..7f476f0ea50fc0ae931a06050a81bdaa737e2c95 100644 (file)
@@ -21,16 +21,16 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "clientiface.h"
 #include "util/numeric.h"
-#include "util/mathconstants.h"
-#include "player.h"
+#include "remoteplayer.h"
 #include "settings.h"
 #include "mapblock.h"
 #include "network/connection.h"
-#include "environment.h"
+#include "serverenvironment.h"
 #include "map.h"
 #include "emerge.h"
-#include "serverobject.h"              // TODO this is used for cleanup of only
+#include "content_sao.h"              // TODO this is used for cleanup of only
 #include "log.h"
+#include "network/serveropcodes.h"
 #include "util/srp.h"
 
 const char *ClientInterface::statenames[] = {
@@ -38,10 +38,12 @@ const char *ClientInterface::statenames[] = {
        "Disconnecting",
        "Denied",
        "Created",
-       "InitSent",
+       "AwaitingInit2",
+       "HelloSent",
        "InitDone",
        "DefinitionsSent",
-       "Active"
+       "Active",
+       "SudoMode",
 };
 
 
@@ -65,7 +67,7 @@ void RemoteClient::GetNextBlocks (
                float dtime,
                std::vector<PrioritySortedBlockTransfer> &dest)
 {
-       DSTACK(__FUNCTION_NAME);
+       DSTACK(FUNCTION_NAME);
 
 
        // Increment timers
@@ -75,9 +77,13 @@ void RemoteClient::GetNextBlocks (
        if(m_nothing_to_send_pause_timer >= 0)
                return;
 
-       Player *player = env->getPlayer(peer_id);
+       RemotePlayer *player = env->getPlayer(peer_id);
        // This can happen sometimes; clients and players are not in perfect sync.
-       if(player == NULL)
+       if (player == NULL)
+               return;
+
+       PlayerSAO *sao = player->getPlayerSAO();
+       if (sao == NULL)
                return;
 
        // Won't send anything if already sending
@@ -88,7 +94,7 @@ void RemoteClient::GetNextBlocks (
                return;
        }
 
-       v3f playerpos = player->getPosition();
+       v3f playerpos = sao->getBasePosition();
        v3f playerspeed = player->getSpeed();
        v3f playerspeeddir(0,0,0);
        if(playerspeed.getLength() > 1.0*BS)
@@ -101,10 +107,10 @@ void RemoteClient::GetNextBlocks (
        v3s16 center = getNodeBlockPos(center_nodepos);
 
        // Camera position and direction
-       v3f camera_pos = player->getEyePosition();
+       v3f camera_pos = sao->getEyePosition();
        v3f camera_dir = v3f(0,0,1);
-       camera_dir.rotateYZBy(player->getPitch());
-       camera_dir.rotateXZBy(player->getYaw());
+       camera_dir.rotateYZBy(sao->getPitch());
+       camera_dir.rotateXZBy(sao->getYaw());
 
        /*infostream<<"camera_dir=("<<camera_dir.X<<","<<camera_dir.Y<<","
                        <<camera_dir.Z<<")"<<std::endl;*/
@@ -167,9 +173,20 @@ void RemoteClient::GetNextBlocks (
        */
        s32 new_nearest_unsent_d = -1;
 
-       const s16 full_d_max = g_settings->getS16("max_block_send_distance");
+       // get view range and camera fov from the client
+       s16 wanted_range = sao->getWantedRange();
+       float camera_fov = sao->getFov();
+       // if FOV, wanted_range are not available (old client), fall back to old default
+       if (wanted_range <= 0) wanted_range = 1000;
+       if (camera_fov <= 0) camera_fov = (72.0*M_PI/180) * 4./3.;
+
+       const s16 full_d_max = MYMIN(g_settings->getS16("max_block_send_distance"), wanted_range);
+       const s16 d_opt = MYMIN(g_settings->getS16("block_send_optimize_distance"), wanted_range);
+       const s16 d_blocks_in_sight = full_d_max * BS * MAP_BLOCKSIZE;
+       //infostream << "Fov from client " << camera_fov << " full_d_max " << full_d_max << std::endl;
+
        s16 d_max = full_d_max;
-       s16 d_max_gen = g_settings->getS16("max_block_generate_distance");
+       s16 d_max_gen = MYMIN(g_settings->getS16("max_block_generate_distance"), wanted_range);
 
        // Don't loop very much at a time
        s16 max_d_increment_at_time = 2;
@@ -181,6 +198,9 @@ void RemoteClient::GetNextBlocks (
        s32 nearest_sent_d = -1;
        //bool queue_is_full = false;
 
+       const v3s16 cam_pos_nodes = floatToInt(camera_pos, BS);
+       const bool occ_cull = g_settings->getBool("server_side_occlusion_culling");
+
        s16 d;
        for(d = d_start; d <= d_max; d++) {
                /*
@@ -219,33 +239,22 @@ void RemoteClient::GetNextBlocks (
                                continue;
 
                        /*
-                               Do not go over-limit
+                               Do not go over max mapgen limit
                        */
-                       if (blockpos_over_limit(p))
+                       if (blockpos_over_max_limit(p))
                                continue;
 
                        // If this is true, inexistent block will be made from scratch
                        bool generate = d <= d_max_gen;
 
-                       {
-                               /*// Limit the generating area vertically to 2/3
-                               if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
-                                       generate = false;*/
-
-                               // Limit the send area vertically to 1/2
-                               if (abs(p.Y - center.Y) > full_d_max / 2)
-                                       continue;
-                       }
-
                        /*
                                Don't generate or send if not in sight
                                FIXME This only works if the client uses a small enough
                                FOV setting. The default of 72 degrees is fine.
                        */
 
-                       float camera_fov = (72.0*M_PI/180) * 4./3.;
-                       if(isBlockInSight(p, camera_pos, camera_dir, camera_fov, 10000*BS) == false)
-                       {
+                       f32 dist;
+                       if (!isBlockInSight(p, camera_pos, camera_dir, camera_fov, d_blocks_in_sight, &dist)) {
                                continue;
                        }
 
@@ -278,12 +287,6 @@ void RemoteClient::GetNextBlocks (
                                        surely_not_found_on_disk = true;
                                }
 
-                               // Block is valid if lighting is up-to-date and data exists
-                               if(block->isValid() == false)
-                               {
-                                       block_is_invalid = true;
-                               }
-
                                if(block->isGenerated() == false)
                                        block_is_invalid = true;
 
@@ -294,11 +297,16 @@ void RemoteClient::GetNextBlocks (
                                        Block is near ground level if night-time mesh
                                        differs from day-time mesh.
                                */
-                               if(d >= 4)
+                               if(d >= d_opt)
                                {
                                        if(block->getDayNightDiff() == false)
                                                continue;
                                }
+
+                               if (occ_cull && !block_is_invalid &&
+                                               env->getMap().isBlockOccluded(block, cam_pos_nodes)) {
+                                       continue;
+                               }
                        }
 
                        /*
@@ -335,7 +343,7 @@ void RemoteClient::GetNextBlocks (
                        /*
                                Add block to send queue
                        */
-                       PrioritySortedBlockTransfer q((float)d, p, peer_id);
+                       PrioritySortedBlockTransfer q((float)dist, p, peer_id);
 
                        dest.push_back(q);
 
@@ -351,7 +359,7 @@ queue_full_break:
        } else if(nearest_emergefull_d != -1){
                new_nearest_unsent_d = nearest_emergefull_d;
        } else {
-               if(d > g_settings->getS16("max_block_send_distance")){
+               if(d > full_d_max){
                        new_nearest_unsent_d = 0;
                        m_nothing_to_send_pause_timer = 2.0;
                } else {
@@ -368,17 +376,21 @@ queue_full_break:
 
 void RemoteClient::GotBlock(v3s16 p)
 {
-       if(m_blocks_sending.find(p) != m_blocks_sending.end())
-               m_blocks_sending.erase(p);
-       else
-       {
-               m_excess_gotblocks++;
+       if (m_blocks_modified.find(p) == m_blocks_modified.end()) {
+               if (m_blocks_sending.find(p) != m_blocks_sending.end())
+                       m_blocks_sending.erase(p);
+               else
+                       m_excess_gotblocks++;
+
+               m_blocks_sent.insert(p);
        }
-       m_blocks_sent.insert(p);
 }
 
 void RemoteClient::SentBlock(v3s16 p)
 {
+       if (m_blocks_modified.find(p) != m_blocks_modified.end())
+               m_blocks_modified.erase(p);
+
        if(m_blocks_sending.find(p) == m_blocks_sending.end())
                m_blocks_sending[p] = 0.0;
        else
@@ -389,22 +401,26 @@ void RemoteClient::SentBlock(v3s16 p)
 void RemoteClient::SetBlockNotSent(v3s16 p)
 {
        m_nearest_unsent_d = 0;
+       m_nothing_to_send_pause_timer = 0;
 
        if(m_blocks_sending.find(p) != m_blocks_sending.end())
                m_blocks_sending.erase(p);
        if(m_blocks_sent.find(p) != m_blocks_sent.end())
                m_blocks_sent.erase(p);
+       m_blocks_modified.insert(p);
 }
 
 void RemoteClient::SetBlocksNotSent(std::map<v3s16, MapBlock*> &blocks)
 {
        m_nearest_unsent_d = 0;
+       m_nothing_to_send_pause_timer = 0;
 
        for(std::map<v3s16, MapBlock*>::iterator
                        i = blocks.begin();
                        i != blocks.end(); ++i)
        {
                v3s16 p = i->first;
+               m_blocks_modified.insert(p);
 
                if(m_blocks_sending.find(p) != m_blocks_sending.end())
                        m_blocks_sending.erase(p);
@@ -576,7 +592,7 @@ void RemoteClient::notifyEvent(ClientStateEvent event)
 
 u32 RemoteClient::uptime()
 {
-       return getTime(PRECISION_SECONDS) - m_connection_time;
+       return porting::getTime(PRECISION_SECONDS) - m_connection_time;
 }
 
 ClientInterface::ClientInterface(con::Connection* con)
@@ -593,13 +609,10 @@ ClientInterface::~ClientInterface()
                Delete clients
        */
        {
-               JMutexAutoLock clientslock(m_clients_mutex);
-
-               for(std::map<u16, RemoteClient*>::iterator
-                       i = m_clients.begin();
-                       i != m_clients.end(); ++i)
-               {
+               MutexAutoLock clientslock(m_clients_mutex);
 
+               for (UNORDERED_MAP<u16, RemoteClient*>::iterator i = m_clients.begin();
+                       i != m_clients.end(); ++i) {
                        // Delete client
                        delete i->second;
                }
@@ -609,12 +622,10 @@ ClientInterface::~ClientInterface()
 std::vector<u16> ClientInterface::getClientIDs(ClientState min_state)
 {
        std::vector<u16> reply;
-       JMutexAutoLock clientslock(m_clients_mutex);
+       MutexAutoLock clientslock(m_clients_mutex);
 
-       for(std::map<u16, RemoteClient*>::iterator
-               i = m_clients.begin();
-               i != m_clients.end(); ++i)
-       {
+       for(UNORDERED_MAP<u16, RemoteClient*>::iterator i = m_clients.begin();
+               i != m_clients.end(); ++i) {
                if (i->second->getState() >= min_state)
                        reply.push_back(i->second->peer_id);
        }
@@ -622,12 +633,6 @@ std::vector<u16> ClientInterface::getClientIDs(ClientState min_state)
        return reply;
 }
 
-std::vector<std::string> ClientInterface::getPlayerNames()
-{
-       return m_clients_names;
-}
-
-
 void ClientInterface::step(float dtime)
 {
        m_print_info_timer += dtime;
@@ -640,8 +645,7 @@ void ClientInterface::step(float dtime)
 
 void ClientInterface::UpdatePlayerList()
 {
-       if (m_env != NULL)
-               {
+       if (m_env != NULL) {
                std::vector<u16> clients = getClientIDs();
                m_clients_names.clear();
 
@@ -649,10 +653,8 @@ void ClientInterface::UpdatePlayerList()
                if(!clients.empty())
                        infostream<<"Players:"<<std::endl;
 
-               for(std::vector<u16>::iterator
-                       i = clients.begin();
-                       i != clients.end(); ++i) {
-                       Player *player = m_env->getPlayer(*i);
+               for (std::vector<u16>::iterator i = clients.begin(); i != clients.end(); ++i) {
+                       RemotePlayer *player = m_env->getPlayer(*i);
 
                        if (player == NULL)
                                continue;
@@ -660,7 +662,7 @@ void ClientInterface::UpdatePlayerList()
                        infostream << "* " << player->getName() << "\t";
 
                        {
-                               JMutexAutoLock clientslock(m_clients_mutex);
+                               MutexAutoLock clientslock(m_clients_mutex);
                                RemoteClient* client = lockedGetClientNoEx(*i);
                                if(client != NULL)
                                        client->PrintInfo(infostream);
@@ -677,29 +679,28 @@ void ClientInterface::send(u16 peer_id, u8 channelnum,
        m_con->Send(peer_id, channelnum, pkt, reliable);
 }
 
-void ClientInterface::sendToAll(u16 channelnum,
-               NetworkPacket* pkt, bool reliable)
+void ClientInterface::sendToAll(NetworkPacket *pkt)
 {
-       JMutexAutoLock clientslock(m_clients_mutex);
-       for(std::map<u16, RemoteClient*>::iterator
-               i = m_clients.begin();
-               i != m_clients.end(); ++i) {
+       MutexAutoLock clientslock(m_clients_mutex);
+       for (UNORDERED_MAP<u16, RemoteClient*>::iterator i = m_clients.begin();
+                       i != m_clients.end(); ++i) {
                RemoteClient *client = i->second;
 
                if (client->net_proto_version != 0) {
-                       m_con->Send(client->peer_id, channelnum, pkt, reliable);
+                       m_con->Send(client->peer_id,
+                                       clientCommandFactoryTable[pkt->getCommand()].channel, pkt,
+                                       clientCommandFactoryTable[pkt->getCommand()].reliable);
                }
        }
 }
 
 RemoteClient* ClientInterface::getClientNoEx(u16 peer_id, ClientState state_min)
 {
-       JMutexAutoLock clientslock(m_clients_mutex);
-       std::map<u16, RemoteClient*>::iterator n;
-       n = m_clients.find(peer_id);
+       MutexAutoLock clientslock(m_clients_mutex);
+       UNORDERED_MAP<u16, RemoteClient*>::iterator n = m_clients.find(peer_id);
        // The client may not exist; clients are immediately removed if their
        // access is denied, and this event occurs later then.
-       if(n == m_clients.end())
+       if (n == m_clients.end())
                return NULL;
 
        if (n->second->getState() >= state_min)
@@ -710,11 +711,10 @@ RemoteClient* ClientInterface::getClientNoEx(u16 peer_id, ClientState state_min)
 
 RemoteClient* ClientInterface::lockedGetClientNoEx(u16 peer_id, ClientState state_min)
 {
-       std::map<u16, RemoteClient*>::iterator n;
-       n = m_clients.find(peer_id);
+       UNORDERED_MAP<u16, RemoteClient*>::iterator n = m_clients.find(peer_id);
        // The client may not exist; clients are immediately removed if their
        // access is denied, and this event occurs later then.
-       if(n == m_clients.end())
+       if (n == m_clients.end())
                return NULL;
 
        if (n->second->getState() >= state_min)
@@ -725,12 +725,11 @@ RemoteClient* ClientInterface::lockedGetClientNoEx(u16 peer_id, ClientState stat
 
 ClientState ClientInterface::getClientState(u16 peer_id)
 {
-       JMutexAutoLock clientslock(m_clients_mutex);
-       std::map<u16, RemoteClient*>::iterator n;
-       n = m_clients.find(peer_id);
+       MutexAutoLock clientslock(m_clients_mutex);
+       UNORDERED_MAP<u16, RemoteClient*>::iterator n = m_clients.find(peer_id);
        // The client may not exist; clients are immediately removed if their
        // access is denied, and this event occurs later then.
-       if(n == m_clients.end())
+       if (n == m_clients.end())
                return CS_Invalid;
 
        return n->second->getState();
@@ -738,25 +737,23 @@ ClientState ClientInterface::getClientState(u16 peer_id)
 
 void ClientInterface::setPlayerName(u16 peer_id,std::string name)
 {
-       JMutexAutoLock clientslock(m_clients_mutex);
-       std::map<u16, RemoteClient*>::iterator n;
-       n = m_clients.find(peer_id);
+       MutexAutoLock clientslock(m_clients_mutex);
+       UNORDERED_MAP<u16, RemoteClient*>::iterator n = m_clients.find(peer_id);
        // The client may not exist; clients are immediately removed if their
        // access is denied, and this event occurs later then.
-       if(n != m_clients.end())
+       if (n != m_clients.end())
                n->second->setName(name);
 }
 
 void ClientInterface::DeleteClient(u16 peer_id)
 {
-       JMutexAutoLock conlock(m_clients_mutex);
+       MutexAutoLock conlock(m_clients_mutex);
 
        // Error check
-       std::map<u16, RemoteClient*>::iterator n;
-       n = m_clients.find(peer_id);
+       UNORDERED_MAP<u16, RemoteClient*>::iterator n = m_clients.find(peer_id);
        // The client may not exist; clients are immediately removed if their
        // access is denied, and this event occurs later then.
-       if(n == m_clients.end())
+       if (n == m_clients.end())
                return;
 
        /*
@@ -784,13 +781,12 @@ void ClientInterface::DeleteClient(u16 peer_id)
 
 void ClientInterface::CreateClient(u16 peer_id)
 {
-       JMutexAutoLock conlock(m_clients_mutex);
+       MutexAutoLock conlock(m_clients_mutex);
 
        // Error check
-       std::map<u16, RemoteClient*>::iterator n;
-       n = m_clients.find(peer_id);
+       UNORDERED_MAP<u16, RemoteClient*>::iterator n = m_clients.find(peer_id);
        // The client shouldn't already exist
-       if(n != m_clients.end()) return;
+       if (n != m_clients.end()) return;
 
        // Create client
        RemoteClient *client = new RemoteClient();
@@ -801,11 +797,10 @@ void ClientInterface::CreateClient(u16 peer_id)
 void ClientInterface::event(u16 peer_id, ClientStateEvent event)
 {
        {
-               JMutexAutoLock clientlock(m_clients_mutex);
+               MutexAutoLock clientlock(m_clients_mutex);
 
                // Error check
-               std::map<u16, RemoteClient*>::iterator n;
-               n = m_clients.find(peer_id);
+               UNORDERED_MAP<u16, RemoteClient*>::iterator n = m_clients.find(peer_id);
 
                // No client to deliver event
                if (n == m_clients.end())
@@ -823,11 +818,10 @@ void ClientInterface::event(u16 peer_id, ClientStateEvent event)
 
 u16 ClientInterface::getProtocolVersion(u16 peer_id)
 {
-       JMutexAutoLock conlock(m_clients_mutex);
+       MutexAutoLock conlock(m_clients_mutex);
 
        // Error check
-       std::map<u16, RemoteClient*>::iterator n;
-       n = m_clients.find(peer_id);
+       UNORDERED_MAP<u16, RemoteClient*>::iterator n = m_clients.find(peer_id);
 
        // No client to get version
        if (n == m_clients.end())
@@ -838,11 +832,10 @@ u16 ClientInterface::getProtocolVersion(u16 peer_id)
 
 void ClientInterface::setClientVersion(u16 peer_id, u8 major, u8 minor, u8 patch, std::string full)
 {
-       JMutexAutoLock conlock(m_clients_mutex);
+       MutexAutoLock conlock(m_clients_mutex);
 
        // Error check
-       std::map<u16, RemoteClient*>::iterator n;
-       n = m_clients.find(peer_id);
+       UNORDERED_MAP<u16, RemoteClient*>::iterator n = m_clients.find(peer_id);
 
        // No client to set versions
        if (n == m_clients.end())