mirror of
https://github.com/minetest/minetest.git
synced 2024-12-23 14:42:24 +01:00
Fixed a small memory leak in ServerEnvironment and cleaned the code a bit
This commit is contained in:
Perttu Ahola
parent
eb6f1804fb
commit
af7d50e910
@ -22,6 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "porting.h"
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#include "collision.h"
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Environment::Environment()
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{
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m_daynight_ratio = 0.5;
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@ -197,6 +198,11 @@ ServerEnvironment::ServerEnvironment(ServerMap *map, Server *server):
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ServerEnvironment::~ServerEnvironment()
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{
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/*
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Convert all objects to static (thus delete the active objects)
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*/
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deactivateFarObjects(-1);
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// Drop/delete map
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m_map->drop();
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}
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@ -508,230 +514,24 @@ void ServerEnvironment::step(float dtime)
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{
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//TimeTaker timer("ServerEnv object management");
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const s16 to_active_range_blocks = 3;
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const s16 to_static_range_blocks = 4;
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//const f32 to_static_max_f = (to_active_max_blocks+2)*MAP_BLOCKSIZE*BS;
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/*
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Remove objects that satisfy (m_removed && m_known_by_count==0)
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*/
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{
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core::list<u16> objects_to_remove;
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for(core::map<u16, ServerActiveObject*>::Iterator
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i = m_active_objects.getIterator();
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i.atEnd()==false; i++)
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{
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u16 id = i.getNode()->getKey();
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ServerActiveObject* obj = i.getNode()->getValue();
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// This shouldn't happen but check it
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if(obj == NULL)
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{
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dstream<<"WARNING: NULL object found in ServerEnvironment"
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<<" while finding removed objects. id="<<id<<std::endl;
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// Id to be removed from m_active_objects
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objects_to_remove.push_back(id);
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continue;
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}
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// If not m_removed, don't remove.
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if(obj->m_removed == false)
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continue;
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// Delete static data from block
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if(obj->m_static_exists)
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{
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MapBlock *block = m_map->getBlockNoCreateNoEx(obj->m_static_block);
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if(block)
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{
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block->m_static_objects.remove(id);
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block->setChangedFlag();
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}
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}
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// If m_known_by_count > 0, don't actually remove.
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if(obj->m_known_by_count > 0)
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continue;
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// Delete
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delete obj;
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// Id to be removed from m_active_objects
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objects_to_remove.push_back(id);
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}
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// Remove references from m_active_objects
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for(core::list<u16>::Iterator i = objects_to_remove.begin();
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i != objects_to_remove.end(); i++)
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{
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m_active_objects.remove(*i);
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}
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}
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const s16 to_active_max_blocks = 3;
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const f32 to_static_max_f = (to_active_max_blocks+2)*MAP_BLOCKSIZE*BS;
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removeRemovedObjects();
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/*
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Convert stored objects from blocks near the players to active.
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*/
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for(core::list<Player*>::Iterator i = m_players.begin();
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i != m_players.end(); i++)
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{
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Player *player = *i;
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// Ignore disconnected players
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if(player->peer_id == 0)
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continue;
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v3f playerpos = player->getPosition();
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v3s16 blockpos0 = getNodeBlockPos(floatToInt(playerpos, BS));
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v3s16 bpmin = blockpos0 - v3s16(1,1,1)*to_active_max_blocks;
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v3s16 bpmax = blockpos0 + v3s16(1,1,1)*to_active_max_blocks;
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// Loop through all nearby blocks
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for(s16 x=bpmin.X; x<=bpmax.X; x++)
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for(s16 y=bpmin.Y; y<=bpmax.Y; y++)
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for(s16 z=bpmin.Z; z<=bpmax.Z; z++)
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{
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v3s16 blockpos(x,y,z);
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MapBlock *block = m_map->getBlockNoCreateNoEx(blockpos);
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if(block==NULL)
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continue;
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// Ignore if no stored objects (to not set changed flag)
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if(block->m_static_objects.m_stored.size() == 0)
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continue;
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// This will contain the leftovers of the stored list
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core::list<StaticObject> new_stored;
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// Loop through stored static objects
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for(core::list<StaticObject>::Iterator
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i = block->m_static_objects.m_stored.begin();
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i != block->m_static_objects.m_stored.end(); i++)
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{
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/*dstream<<"INFO: Server: Creating an active object from "
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<<"static data"<<std::endl;*/
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StaticObject &s_obj = *i;
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// Create an active object from the data
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ServerActiveObject *obj = ServerActiveObject::create
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(s_obj.type, this, 0, s_obj.pos, s_obj.data);
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if(obj==NULL)
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{
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// This is necessary to preserve stuff during bugs
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// and errors
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new_stored.push_back(s_obj);
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continue;
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}
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// This will also add the object to the active static list
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addActiveObject(obj);
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//u16 id = addActiveObject(obj);
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}
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// Clear stored list
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block->m_static_objects.m_stored.clear();
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// Add leftover stuff to stored list
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for(core::list<StaticObject>::Iterator
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i = new_stored.begin();
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i != new_stored.end(); i++)
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{
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StaticObject &s_obj = *i;
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block->m_static_objects.m_stored.push_back(s_obj);
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}
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block->setChangedFlag();
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}
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}
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activateNearObjects(to_active_range_blocks);
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/*
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Convert objects that are far away from all the players to static.
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*/
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{
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core::list<u16> objects_to_remove;
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for(core::map<u16, ServerActiveObject*>::Iterator
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i = m_active_objects.getIterator();
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i.atEnd()==false; i++)
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{
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ServerActiveObject* obj = i.getNode()->getValue();
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u16 id = i.getNode()->getKey();
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v3f objectpos = obj->getBasePosition();
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// This shouldn't happen but check it
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if(obj == NULL)
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{
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dstream<<"WARNING: NULL object found in ServerEnvironment"
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<<std::endl;
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continue;
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}
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// If known by some client, don't convert to static.
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if(obj->m_known_by_count > 0)
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continue;
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// If close to some player, don't convert to static.
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bool close_to_player = false;
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for(core::list<Player*>::Iterator i = m_players.begin();
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i != m_players.end(); i++)
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{
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Player *player = *i;
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// Ignore disconnected players
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if(player->peer_id == 0)
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continue;
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v3f playerpos = player->getPosition();
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f32 d = playerpos.getDistanceFrom(objectpos);
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if(d < to_static_max_f)
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{
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close_to_player = true;
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break;
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}
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}
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if(close_to_player)
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continue;
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/*
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Update the static data and remove the active object.
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*/
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// Delete old static object
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MapBlock *oldblock = NULL;
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if(obj->m_static_exists)
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{
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MapBlock *block = m_map->getBlockNoCreateNoEx
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(obj->m_static_block);
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if(block)
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{
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block->m_static_objects.remove(id);
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oldblock = block;
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}
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}
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// Add new static object
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std::string staticdata = obj->getStaticData();
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StaticObject s_obj(obj->getType(), objectpos, staticdata);
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// Add to the block where the object is located in
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v3s16 blockpos = getNodeBlockPos(floatToInt(objectpos, BS));
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MapBlock *block = m_map->getBlockNoCreateNoEx(blockpos);
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if(block)
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{
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block->m_static_objects.insert(0, s_obj);
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block->setChangedFlag();
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obj->m_static_exists = true;
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obj->m_static_block = block->getPos();
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}
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// If not possible, add back to previous block
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else if(oldblock)
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{
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oldblock->m_static_objects.insert(0, s_obj);
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oldblock->setChangedFlag();
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obj->m_static_exists = true;
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obj->m_static_block = oldblock->getPos();
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}
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else{
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dstream<<"WARNING: Server: Could not find a block for "
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<<"storing static object"<<std::endl;
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obj->m_static_exists = false;
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continue;
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}
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/*dstream<<"INFO: Server: Stored static data. Deleting object."
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<<std::endl;*/
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// Delete active object
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delete obj;
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// Id to be removed from m_active_objects
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objects_to_remove.push_back(id);
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}
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// Remove references from m_active_objects
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for(core::list<u16>::Iterator i = objects_to_remove.begin();
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i != objects_to_remove.end(); i++)
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{
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m_active_objects.remove(*i);
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}
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}
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deactivateFarObjects(to_static_range_blocks);
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}
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if(g_settings.getBool("enable_experimental"))
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@ -966,6 +766,254 @@ ActiveObjectMessage ServerEnvironment::getActiveObjectMessage()
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return m_active_object_messages.pop_front();
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}
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/*
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************ Private methods *************
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*/
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/*
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Remove objects that satisfy (m_removed && m_known_by_count==0)
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*/
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void ServerEnvironment::removeRemovedObjects()
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{
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core::list<u16> objects_to_remove;
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for(core::map<u16, ServerActiveObject*>::Iterator
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i = m_active_objects.getIterator();
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i.atEnd()==false; i++)
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{
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u16 id = i.getNode()->getKey();
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ServerActiveObject* obj = i.getNode()->getValue();
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// This shouldn't happen but check it
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if(obj == NULL)
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{
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dstream<<"WARNING: NULL object found in ServerEnvironment"
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<<" while finding removed objects. id="<<id<<std::endl;
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// Id to be removed from m_active_objects
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objects_to_remove.push_back(id);
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continue;
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}
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// If not m_removed, don't remove.
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if(obj->m_removed == false)
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continue;
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// Delete static data from block
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if(obj->m_static_exists)
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{
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MapBlock *block = m_map->getBlockNoCreateNoEx(obj->m_static_block);
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if(block)
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{
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block->m_static_objects.remove(id);
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block->setChangedFlag();
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}
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}
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// If m_known_by_count > 0, don't actually remove.
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if(obj->m_known_by_count > 0)
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continue;
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// Delete
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delete obj;
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// Id to be removed from m_active_objects
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objects_to_remove.push_back(id);
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}
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// Remove references from m_active_objects
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for(core::list<u16>::Iterator i = objects_to_remove.begin();
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i != objects_to_remove.end(); i++)
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{
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m_active_objects.remove(*i);
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}
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}
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/*
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Convert stored objects from blocks near the players to active.
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*/
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void ServerEnvironment::activateNearObjects(s16 range_blocks)
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{
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for(core::list<Player*>::Iterator i = m_players.begin();
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i != m_players.end(); i++)
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{
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Player *player = *i;
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// Ignore disconnected players
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if(player->peer_id == 0)
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continue;
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v3f playerpos = player->getPosition();
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v3s16 blockpos0 = getNodeBlockPos(floatToInt(playerpos, BS));
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v3s16 bpmin = blockpos0 - v3s16(1,1,1)*range_blocks;
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v3s16 bpmax = blockpos0 + v3s16(1,1,1)*range_blocks;
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// Loop through all nearby blocks
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for(s16 x=bpmin.X; x<=bpmax.X; x++)
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for(s16 y=bpmin.Y; y<=bpmax.Y; y++)
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for(s16 z=bpmin.Z; z<=bpmax.Z; z++)
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{
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v3s16 blockpos(x,y,z);
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MapBlock *block = m_map->getBlockNoCreateNoEx(blockpos);
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if(block==NULL)
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continue;
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// Ignore if no stored objects (to not set changed flag)
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if(block->m_static_objects.m_stored.size() == 0)
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continue;
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// This will contain the leftovers of the stored list
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core::list<StaticObject> new_stored;
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// Loop through stored static objects
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for(core::list<StaticObject>::Iterator
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i = block->m_static_objects.m_stored.begin();
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i != block->m_static_objects.m_stored.end(); i++)
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{
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/*dstream<<"INFO: Server: Creating an active object from "
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<<"static data"<<std::endl;*/
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StaticObject &s_obj = *i;
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// Create an active object from the data
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ServerActiveObject *obj = ServerActiveObject::create
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(s_obj.type, this, 0, s_obj.pos, s_obj.data);
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if(obj==NULL)
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{
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// This is necessary to preserve stuff during bugs
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// and errors
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new_stored.push_back(s_obj);
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continue;
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}
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// This will also add the object to the active static list
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addActiveObject(obj);
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//u16 id = addActiveObject(obj);
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}
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// Clear stored list
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block->m_static_objects.m_stored.clear();
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// Add leftover stuff to stored list
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for(core::list<StaticObject>::Iterator
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i = new_stored.begin();
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i != new_stored.end(); i++)
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{
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StaticObject &s_obj = *i;
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block->m_static_objects.m_stored.push_back(s_obj);
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}
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block->setChangedFlag();
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}
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}
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}
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/*
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Convert objects that are far away from all the players to static.
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If range_blocks == -1, convert everything to static even if known
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by a player.
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*/
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void ServerEnvironment::deactivateFarObjects(s16 range_blocks)
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{
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bool force_everything = (range_blocks == -1);
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core::list<u16> objects_to_remove;
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for(core::map<u16, ServerActiveObject*>::Iterator
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i = m_active_objects.getIterator();
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i.atEnd()==false; i++)
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{
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ServerActiveObject* obj = i.getNode()->getValue();
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u16 id = i.getNode()->getKey();
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v3f objectpos = obj->getBasePosition();
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// This shouldn't happen but check it
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if(obj == NULL)
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{
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dstream<<"WARNING: NULL object found in ServerEnvironment"
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<<std::endl;
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assert(0);
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continue;
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}
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if(force_everything == false)
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{
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// If known by some client, don't convert to static.
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if(obj->m_known_by_count > 0)
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continue;
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// If close to some player, don't convert to static.
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bool close_to_player = false;
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for(core::list<Player*>::Iterator i = m_players.begin();
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i != m_players.end(); i++)
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{
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Player *player = *i;
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// Ignore disconnected players
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if(player->peer_id == 0)
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continue;
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v3f playerpos = player->getPosition();
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v3s16 blockpos_p = getNodeBlockPos(floatToInt(playerpos, BS));
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v3s16 blockpos_o = getNodeBlockPos(floatToInt(objectpos, BS));
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if(blockpos_p.X >= blockpos_o.X - range_blocks
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&& blockpos_p.Y >= blockpos_o.Y - range_blocks
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&& blockpos_p.Z >= blockpos_o.Z - range_blocks
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&& blockpos_p.X <= blockpos_o.X + range_blocks
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&& blockpos_p.Y <= blockpos_o.Y + range_blocks
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&& blockpos_p.Z <= blockpos_o.Z + range_blocks)
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{
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close_to_player = true;
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break;
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}
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}
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if(close_to_player)
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continue;
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}
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/*
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Update the static data and remove the active object.
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*/
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// Delete old static object
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MapBlock *oldblock = NULL;
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if(obj->m_static_exists)
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{
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MapBlock *block = m_map->getBlockNoCreateNoEx
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(obj->m_static_block);
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if(block)
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{
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block->m_static_objects.remove(id);
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oldblock = block;
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}
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}
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// Add new static object
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std::string staticdata = obj->getStaticData();
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StaticObject s_obj(obj->getType(), objectpos, staticdata);
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// Add to the block where the object is located in
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v3s16 blockpos = getNodeBlockPos(floatToInt(objectpos, BS));
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MapBlock *block = m_map->getBlockNoCreateNoEx(blockpos);
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if(block)
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{
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block->m_static_objects.insert(0, s_obj);
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block->setChangedFlag();
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obj->m_static_exists = true;
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obj->m_static_block = block->getPos();
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}
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// If not possible, add back to previous block
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else if(oldblock)
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{
|
||||
oldblock->m_static_objects.insert(0, s_obj);
|
||||
oldblock->setChangedFlag();
|
||||
obj->m_static_exists = true;
|
||||
obj->m_static_block = oldblock->getPos();
|
||||
}
|
||||
else{
|
||||
dstream<<"WARNING: Server: Could not find a block for "
|
||||
<<"storing static object"<<std::endl;
|
||||
obj->m_static_exists = false;
|
||||
continue;
|
||||
}
|
||||
/*dstream<<"INFO: Server: Stored static data. Deleting object."
|
||||
<<std::endl;*/
|
||||
// Delete active object
|
||||
delete obj;
|
||||
// Id to be removed from m_active_objects
|
||||
objects_to_remove.push_back(id);
|
||||
}
|
||||
// Remove references from m_active_objects
|
||||
for(core::list<u16>::Iterator i = objects_to_remove.begin();
|
||||
i != objects_to_remove.end(); i++)
|
||||
{
|
||||
m_active_objects.remove(*i);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#ifndef SERVER
|
||||
|
||||
/*
|
||||
|
||||
@ -117,7 +117,7 @@ public:
|
||||
ServerActiveObject* getActiveObject(u16 id);
|
||||
|
||||
/*
|
||||
Adds an active object to the environment.
|
||||
Add an active object to the environment.
|
||||
Environment handles deletion of object.
|
||||
Object may be deleted by environment immediately.
|
||||
If id of object is 0, assigns a free id to it.
|
||||
@ -127,7 +127,7 @@ public:
|
||||
u16 addActiveObject(ServerActiveObject *object);
|
||||
|
||||
/*
|
||||
Finds out what new objects have been added to
|
||||
Find out what new objects have been added to
|
||||
inside a radius around a position
|
||||
*/
|
||||
void getAddedActiveObjects(v3s16 pos, s16 radius,
|
||||
@ -135,7 +135,7 @@ public:
|
||||
core::map<u16, bool> &added_objects);
|
||||
|
||||
/*
|
||||
Finds out what new objects have been removed from
|
||||
Find out what new objects have been removed from
|
||||
inside a radius around a position
|
||||
*/
|
||||
void getRemovedActiveObjects(v3s16 pos, s16 radius,
|
||||
@ -143,12 +143,28 @@ public:
|
||||
core::map<u16, bool> &removed_objects);
|
||||
|
||||
/*
|
||||
Gets the next message emitted by some active object.
|
||||
Get the next message emitted by some active object.
|
||||
Returns a message with id=0 if no messages are available.
|
||||
*/
|
||||
ActiveObjectMessage getActiveObjectMessage();
|
||||
|
||||
private:
|
||||
/*
|
||||
Remove all objects that satisfy (m_removed && m_known_by_count==0)
|
||||
*/
|
||||
void removeRemovedObjects();
|
||||
/*
|
||||
Convert stored objects from blocks near the players to active.
|
||||
*/
|
||||
void activateNearObjects(s16 range_blocks);
|
||||
/*
|
||||
Convert objects that are far away from all the players to static.
|
||||
|
||||
If range_blocks == -1, convert everything to static even if known
|
||||
by a player.
|
||||
*/
|
||||
void deactivateFarObjects(s16 range_blocks);
|
||||
|
||||
ServerMap *m_map;
|
||||
Server *m_server;
|
||||
core::map<u16, ServerActiveObject*> m_active_objects;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user