fixed block unloading from memory (a better fix coming next)

diff --git a/src/client.cpp b/src/client.cpp
index 248cd8a4c03c567059801709f4ff050d991ad0b6..449b0c2f26ccaedf024a85158120fd100633b10d 100644 (file)
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -333,16 +333,16 @@ void Client::step(float dtime)
                                        true, &deleted_blocks);*/
                        
                        // Delete whole sectors
-                       u32 num = m_env.getMap().unloadUnusedData
+                       m_env.getMap().unloadUnusedData
                                        (delete_unused_sectors_timeout,
-                                       false, &deleted_blocks);
+                                       &deleted_blocks);
 
-                       if(num > 0)
+                       if(deleted_blocks.size() > 0)
                        {
                                /*dstream<<DTIME<<"Client: Deleted blocks of "<<num
                                                <<" unused sectors"<<std::endl;*/
-                               dstream<<DTIME<<"Client: Deleted "<<num
-                                               <<" unused sectors"<<std::endl;
+                               /*dstream<<DTIME<<"Client: Deleted "<<num
+                                               <<" unused sectors"<<std::endl;*/
                                
                                /*
                                        Send info to server

diff --git a/src/defaultsettings.cpp b/src/defaultsettings.cpp
index 435eefd86339850349ed5e4e7d676e051cadfed4..99bead6b0f8228529c151eef4c141e3c6165100a 100644 (file)
--- a/src/defaultsettings.cpp
+++ b/src/defaultsettings.cpp
@@ -82,6 +82,7 @@ void set_default_settings()
        g_settings.setDefault("default_password", "");
        g_settings.setDefault("default_privs", "build, shout");
        g_settings.setDefault("profiler_print_interval", "0");
+       g_settings.setDefault("enable_mapgen_debug_info", "false");
 
        g_settings.setDefault("objectdata_interval", "0.2");
        g_settings.setDefault("active_object_range", "2");

diff --git a/src/environment.cpp b/src/environment.cpp
index d9c62978ff75700ed4cd1dd1c59e80e45c8b3b48..b52a46ddedb1b33669430ad6c9bb4dd7c5ce18db 100644 (file)
--- a/src/environment.cpp
+++ b/src/environment.cpp
@@ -801,6 +801,9 @@ void ServerEnvironment::step(float dtime)
                        MapBlock *block = m_map->getBlockNoCreateNoEx(p);
                        if(block==NULL)
                                continue;
+
+                       // Reset block usage timer
+                       block->resetUsageTimer();
                        
                        // Set current time as timestamp
                        block->setTimestampNoChangedFlag(m_game_time);

diff --git a/src/map.cpp b/src/map.cpp
index 5bf278667f8ea136a05411569fe18c8f894a9961..2cf7bb2e5b0dfd8ab932292364e0083b1388b1cb 100644 (file)
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -1388,8 +1388,6 @@ bool Map::dayNightDiffed(v3s16 blockpos)
 */
 void Map::timerUpdate(float dtime)
 {
-       //JMutexAutoLock lock(m_sector_mutex); // Bulk comment-out
-
        core::map<v2s16, MapSector*>::Iterator si;
 
        si = m_sectors.getIterator();
@@ -1407,38 +1405,27 @@ void Map::timerUpdate(float dtime)
        }
 }
 
-void Map::deleteSectors(core::list<v2s16> &list, bool only_blocks)
+void Map::deleteSectors(core::list<v2s16> &list)
 {
        core::list<v2s16>::Iterator j;
        for(j=list.begin(); j!=list.end(); j++)
        {
                MapSector *sector = m_sectors[*j];
-               if(only_blocks)
-               {
-                       sector->deleteBlocks();
-               }
-               else
-               {
-                       /*
-                               If sector is in sector cache, remove it from there
-                       */
-                       if(m_sector_cache == sector)
-                       {
-                               m_sector_cache = NULL;
-                       }
-                       /*
-                               Remove from map and delete
-                       */
-                       m_sectors.remove(*j);
-                       delete sector;
-               }
+               // If sector is in sector cache, remove it from there
+               if(m_sector_cache == sector)
+                       m_sector_cache = NULL;
+               // Remove from map and delete
+               m_sectors.remove(*j);
+               delete sector;
        }
 }
 
-u32 Map::unloadUnusedData(float timeout, bool only_blocks,
+void Map::unloadUnusedData(float timeout,
                core::list<v3s16> *deleted_blocks)
 {
        core::list<v2s16> sector_deletion_queue;
+       u32 deleted_blocks_count = 0;
+       u32 saved_blocks_count = 0;
 
        core::map<v2s16, MapSector*>::Iterator si = m_sectors.getIterator();
        for(; si.atEnd() == false; si++)
@@ -1453,14 +1440,18 @@ u32 Map::unloadUnusedData(float timeout, bool only_blocks,
                                i != blocks.end(); i++)
                {
                        MapBlock *block = (*i);
-
+                       
                        if(block->getUsageTimer() > timeout)
                        {
                                // Save if modified
                                if(block->getModified() != MOD_STATE_CLEAN)
+                               {
                                        saveBlock(block);
+                                       saved_blocks_count++;
+                               }
                                // Delete from memory
                                sector->deleteBlock(block);
+                               deleted_blocks_count++;
                        }
                        else
                        {
@@ -1474,36 +1465,14 @@ u32 Map::unloadUnusedData(float timeout, bool only_blocks,
                }
        }
 
-#if 0
-       core::map<v2s16, MapSector*>::Iterator i = m_sectors.getIterator();
-       for(; i.atEnd() == false; i++)
-       {
-               MapSector *sector = i.getNode()->getValue();
-               /*
-                       Delete sector from memory if it hasn't been used in a long time
-               */
-               if(sector->usage_timer > timeout)
-               {
-                       sector_deletion_queue.push_back(i.getNode()->getKey());
+       deleteSectors(sector_deletion_queue);
 
-                       if(deleted_blocks != NULL)
-                       {
-                               // Collect positions of blocks of sector
-                               MapSector *sector = i.getNode()->getValue();
-                               core::list<MapBlock*> blocks;
-                               sector->getBlocks(blocks);
-                               for(core::list<MapBlock*>::Iterator i = blocks.begin();
-                                               i != blocks.end(); i++)
-                               {
-                                       deleted_blocks->push_back((*i)->getPos());
-                               }
-                       }
-               }
-       }
-#endif
+       dstream<<"Map: Unloaded "<<deleted_blocks_count<<" blocks from memory"
+                       <<", of which "<<saved_blocks_count<<" were wr."
+                       <<std::endl;
 
-       deleteSectors(sector_deletion_queue, only_blocks);
-       return sector_deletion_queue.getSize();
+       //return sector_deletion_queue.getSize();
+       //return deleted_blocks_count;
 }
 
 void Map::PrintInfo(std::ostream &out)
@@ -2083,6 +2052,8 @@ MapBlock* ServerMap::finishBlockMake(mapgen::BlockMakeData *data,
                return NULL;
        }
 
+       bool enable_mapgen_debug_info = g_settings.getBool("enable_mapgen_debug_info");
+
        /*dstream<<"Resulting vmanip:"<<std::endl;
        data->vmanip.print(dstream);*/
        
@@ -2095,10 +2066,11 @@ MapBlock* ServerMap::finishBlockMake(mapgen::BlockMakeData *data,
                //TimeTaker timer("finishBlockMake() blitBackAll");
                data->vmanip->blitBackAll(&changed_blocks);
        }
-#if 1
-       dstream<<"finishBlockMake: changed_blocks.size()="
-                       <<changed_blocks.size()<<std::endl;
-#endif
+
+       if(enable_mapgen_debug_info)
+               dstream<<"finishBlockMake: changed_blocks.size()="
+                               <<changed_blocks.size()<<std::endl;
+
        /*
                Copy transforming liquid information
        */
@@ -2155,6 +2127,9 @@ MapBlock* ServerMap::finishBlockMake(mapgen::BlockMakeData *data,
                }
        #endif
                updateLighting(lighting_update_blocks, changed_blocks);
+
+               if(enable_mapgen_debug_info == false)
+                       t.stop(true); // Hide output
        }
 
        /*
@@ -2269,6 +2244,8 @@ MapBlock * ServerMap::generateBlock(
                        <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
                        <<std::endl;*/
        
+       bool enable_mapgen_debug_info = g_settings.getBool("enable_mapgen_debug_info");
+
        TimeTaker timer("generateBlock");
        
        //MapBlock *block = original_dummy;
@@ -2297,6 +2274,9 @@ MapBlock * ServerMap::generateBlock(
        {
                TimeTaker t("mapgen::make_block()");
                mapgen::make_block(&data);
+
+               if(enable_mapgen_debug_info == false)
+                       t.stop(true); // Hide output
        }
 
        /*
@@ -2355,6 +2335,9 @@ MapBlock * ServerMap::generateBlock(
        }
 #endif
 
+       if(enable_mapgen_debug_info == false)
+               timer.stop(true); // Hide output
+
        return block;
 }
 

diff --git a/src/map.h b/src/map.h
index c64f8cbdb7fb3e6dc3fb5bd8fcb4daebfefe076b..2fe7490077a88d060aa85aeec167aad9297ba3de 100644 (file)
--- a/src/map.h
+++ b/src/map.h
@@ -230,13 +230,18 @@ class Map /*: public NodeContainer*/
                Updates usage timers
        */
        void timerUpdate(float dtime);
-       
+               
+       // Deletes sectors and their blocks from memory
        // Takes cache into account
-       // sector mutex should be locked when calling
-       void deleteSectors(core::list<v2s16> &list, bool only_blocks);
+       // If deleted sector is in sector cache, clears cache
+       void deleteSectors(core::list<v2s16> &list);
        
-       // Returns count of deleted sectors
-       u32 unloadUnusedData(float timeout, bool only_blocks=false,
+       /*
+               Unload unused data
+               = flush changed to disk and delete from memory, if usage timer of
+                 block is more than timeout
+       */
+       void unloadUnusedData(float timeout,
                        core::list<v3s16> *deleted_blocks=NULL);
 
        // For debug printing

diff --git a/src/mapblock.cpp b/src/mapblock.cpp
index 7036cd035c00420dae3263bd7c5d28690ffe8e53..c125e67c8021c084a379a5fad4cf5094bdec2478 100644 (file)
--- a/src/mapblock.cpp
+++ b/src/mapblock.cpp
@@ -38,7 +38,7 @@ MapBlock::MapBlock(Map *parent, v3s16 pos, bool dummy):
                m_generated(false),
                m_objects(this),
                m_timestamp(BLOCK_TIMESTAMP_UNDEFINED),
-               m_usage_timer(BLOCK_TIMESTAMP_UNDEFINED)
+               m_usage_timer(0)
 {
        data = NULL;
        if(dummy == false)

diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index e481ee30cdacd944ad99d0741f863217d4417e63..4a2a39aec7b63b4170fa46435765bf91c933d2d1 100644 (file)
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -1389,7 +1389,7 @@ void make_block(BlockMakeData *data)
        /*
                Create a block-specific seed
        */
-       u32 blockseed = (data->seed%0x100000000) + full_node_min.Z*38134234
+       u32 blockseed = (u32)(data->seed%0x100000000) + full_node_min.Z*38134234
                        + full_node_min.Y*42123 + full_node_min.X*23;
        
        /*

diff --git a/src/server.cpp b/src/server.cpp
index 2ee94f345e616307d3c79642ff2b6f9ebd3d097d..b65f0bdb599952921b45b30061b8f5fb9d2e9fde 100644 (file)
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -1831,17 +1831,21 @@ void Server::AsyncRunStep()
                        JMutexAutoLock lock(m_env_mutex);
                        if(((ServerMap*)(&m_env.getMap()))->isSavingEnabled() == true)
                        {
+                               // Unload unused data (delete from memory)
+                               m_env.getMap().unloadUnusedData(
+                                               g_settings.getFloat("server_unload_unused_sectors_timeout"));
+                               /*u32 deleted_count = m_env.getMap().unloadUnusedData(
+                                               g_settings.getFloat("server_unload_unused_sectors_timeout"));
+                                               */
+
                                // Save only changed parts
                                m_env.getMap().save(true);
 
-                               // Delete unused sectors
-                               u32 deleted_count = m_env.getMap().unloadUnusedData(
-                                               g_settings.getFloat("server_unload_unused_sectors_timeout"));
-                               if(deleted_count > 0)
+                               /*if(deleted_count > 0)
                                {
                                        dout_server<<"Server: Unloaded "<<deleted_count
-                                                       <<" sectors from memory"<<std::endl;
-                               }
+                                                       <<" blocks from memory"<<std::endl;
+                               }*/
 
                                // Save players
                                m_env.serializePlayers(m_mapsavedir);