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Fix object duplication bug
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fe338745a3
commit
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@ -1695,6 +1695,10 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
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continue;
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}
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// If pending deactivation, let removeRemovedObjects() do it
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if(obj->m_pending_deactivation)
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continue;
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u16 id = i.getNode()->getKey();
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v3f objectpos = obj->getBasePosition();
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@ -1709,10 +1713,42 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
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<<"deactivating object id="<<id<<" on inactive block "
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<<PP(blockpos_o)<<std::endl;
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// If known by some client, don't immediately delete.
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bool pending_delete = (obj->m_known_by_count > 0 && !force_delete);
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/*
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Update the static data
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*/
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// Create new static object
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std::string staticdata_new = obj->getStaticData();
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StaticObject s_obj(obj->getType(), objectpos, staticdata_new);
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bool stays_in_same_block = false;
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bool data_changed = true;
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if(obj->m_static_exists){
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if(obj->m_static_block == blockpos_o)
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stays_in_same_block = true;
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MapBlock *block = m_map->emergeBlock(obj->m_static_block, false);
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core::map<u16, StaticObject>::Node *n =
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block->m_static_objects.m_active.find(id);
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if(n){
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StaticObject static_old = n->getValue();
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if(static_old.data == staticdata_new &&
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(static_old.pos - objectpos).getLength() < 2*BS)
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data_changed = false;
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} else {
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errorstream<<"ServerEnvironment::deactivateFarObjects(): "
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<<"id="<<id<<" m_static_exists=true but "
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<<"static data doesn't actually exist in "
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<<PP(obj->m_static_block)<<std::endl;
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}
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}
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// Delete old static object
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if(obj->m_static_exists)
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{
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@ -1720,14 +1756,13 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
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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->raiseModified(MOD_STATE_WRITE_AT_UNLOAD);
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obj->m_static_exists = false;
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// Only mark block as modified if data changed considerably
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if(!stays_in_same_block || data_changed)
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block->raiseModified(MOD_STATE_WRITE_NEEDED);
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}
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}
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// Create 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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// Get or generate the block
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@ -1744,8 +1779,13 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
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<<" Forcing delete."<<std::endl;
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force_delete = true;
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} else {
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block->m_static_objects.insert(0, s_obj);
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block->raiseModified(MOD_STATE_WRITE_AT_UNLOAD);
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u16 new_id = pending_delete ? id : 0;
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block->m_static_objects.insert(new_id, s_obj);
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// Only mark block as modified if data changed considerably
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if(!stays_in_same_block || data_changed)
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block->raiseModified(MOD_STATE_WRITE_NEEDED);
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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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@ -1758,12 +1798,11 @@ void ServerEnvironment::deactivateFarObjects(bool force_delete)
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}
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/*
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Delete active object if not known by some client,
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else set pending deactivation
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If known by some client, set pending deactivation.
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Otherwise delete it immediately.
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*/
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// If known by some client, don't delete.
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if(obj->m_known_by_count > 0 && force_delete == false)
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if(pending_delete)
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{
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verbosestream<<"ServerEnvironment::deactivateFarObjects(): "
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<<"object id="<<id<<" is known by clients"
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