From Trajce Nikolov, "attached is a fix for the txp loader (in TileMapper). The code was giving wrong parent tile ids using the stack - I implemented differnt approach for that"
This commit is contained in:
Robert Osfield
parent
244e751146
commit
c12b04368a
@ -104,9 +104,9 @@ void TileMapper::apply(osg::Group& node)
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#if 0
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std::cout<<"found Group="<<tid->lod
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<<" X="<<tid->x
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<<" Y="<<tid->y
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<<" ptr="<<&node<<std::endl;
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<<" X="<<tid->x
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<<" Y="<<tid->y
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<<" ptr="<<&node<<std::endl;
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std::cout<<" inheritance list "<<_tileStack.size()<<std::endl;
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for(TileStack::iterator itr=_tileStack.begin();
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@ -181,9 +181,9 @@ void TileMapper::apply(osg::PagedLOD& node)
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#if 0
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std::cout<<"found txpPagedLOD LOD="<<txpPagedLOD->_tileIdentifier.lod
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<<" X="<<txpPagedLOD->_tileIdentifier.x
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<<" Y="<<txpPagedLOD->_tileIdentifier.y
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<<" ptr="<<txpPagedLOD<<std::endl;
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<<" X="<<txpPagedLOD->_tileIdentifier.x
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<<" Y="<<txpPagedLOD->_tileIdentifier.y
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<<" ptr="<<txpPagedLOD<<std::endl;
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std::cout<<" inheritance list "<<_tileStack.size()<<std::endl;
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for(TileStack::iterator itr=_tileStack.begin();
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@ -243,9 +243,6 @@ bool TileMapper::canParentBeTraversed(const TileIdentifier& tid) const
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// note tile here, is tid's parent.
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const TileStack::value_type* tile = (ts.size()>=2) ? &ts[ts.size()-2] : 0;
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// note parent here, is tid's parents parent.
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const TileStack::value_type* parent = (ts.size()>=3) ? &ts[ts.size()-3] : 0;
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if (!tile)
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{
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// no self!!! so we can descend safely?!! shouldn't ever get here.
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@ -253,6 +250,12 @@ bool TileMapper::canParentBeTraversed(const TileIdentifier& tid) const
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return true;
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}
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// note parent here, is tid's parents parent.
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const TileStack::value_type* parent = (ts.size()>=3) ? &ts[ts.size()-3] : 0;
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if (!parent)
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{
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// no parent so we can descend safely.
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@ -271,14 +274,22 @@ bool TileMapper::canParentBeTraversed(const TileIdentifier& tid) const
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return true;
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}
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// FIXME: this guy gives us wrong parent
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// Nick 2010/12/12
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#if 0
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const TileIdentifier& parent_tid = parent->first;
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#else
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TileIdentifier parent_tid(tid.x/2,tid.y/2,tid.lod-1);
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#endif
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bool parentHasNorthNeighour = _tileMap.count(TileIdentifier(parent_tid.x,parent_tid.y+1,parent_tid.lod))!=0;
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bool parentHasEastNeighour = _tileMap.count(TileIdentifier(parent_tid.x+1,parent_tid.y,parent_tid.lod))!=0;
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bool parentHasSouthNeighour = _tileMap.count(TileIdentifier(parent_tid.x,parent_tid.y-1,parent_tid.lod))!=0;
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bool parentHasWestNeighour = _tileMap.count(TileIdentifier(parent_tid.x-1,parent_tid.y,parent_tid.lod))!=0;
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// FIXME: this guy gives us wrong parent
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// Nick 2010/12/12
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#if 0
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// identify whether the tile is a NE/SE/SW/NW tile relative to its parent.
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osg::Vec3 delta = tile->second->getBound().center() - parent->second->getBound().center();
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@ -308,6 +319,37 @@ bool TileMapper::canParentBeTraversed(const TileIdentifier& tid) const
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return (!parentHasSouthNeighour && !parentHasWestNeighour);
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}
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}
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#else
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// identify whether the tile is a NE/SE/SW/NW tile relative to its parent.
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osg::Vec3 delta(tid.x%2,tid.y%2,0);
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if (delta.y()>0.0f) // noth side
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{
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if (delta.x()>0.0f)
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{
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// NE, only traverse if our parent doesn't have any neighbours to the north or east.
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return (!parentHasNorthNeighour && !parentHasEastNeighour);
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}
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else
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{
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// NW, only traverse if our parent doesn't have any neighbours to the north or west.
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return (!parentHasNorthNeighour && !parentHasWestNeighour);
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}
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}
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else // south side
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{
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if (delta.x()>0.0f)
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{
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// SE, only traverse if our parent doesn't have any neighbours to the south or east.
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return (!parentHasSouthNeighour && !parentHasEastNeighour);
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}
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else
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{
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// SW, only traverse if our parent doesn't have any neighbours to the south or west.
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return (!parentHasSouthNeighour && !parentHasWestNeighour);
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}
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}
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#endif
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}
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void TileMapper::checkValidityOfAllVisibleTiles()
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@ -369,23 +411,22 @@ void TileMapper::checkValidityOfAllVisibleTiles()
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#if 0
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if ( !_blackListedNodeSet.empty() )
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std::cout << "********** We have blacked list " << _blackListedNodeSet.size() << std::endl;
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if ( !_blackListedNodeSet.empty() )
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std::cout << "********** We have blacked list " << _blackListedNodeSet.size() << std::endl;
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std::cout<<"TileMap contains "<<_tileMap.size()<<std::endl;
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for(TileMap::iterator itr=_tileMap.begin();
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itr!=_tileMap.end();
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++itr)
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{
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std::cout<<" tile="<<itr->first.lod
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<<" X="<<itr->first.x
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<<" Y="<<itr->first.y<<std::endl;
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std::cout<<" tile="<<itr->first.lod
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<<" X="<<itr->first.x
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<<" Y="<<itr->first.y<<std::endl;
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}
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#endif
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}
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bool TileMapper::isTileNeighbourALowerLODLevel(const TileIdentifier& tid, int dx, int dy) const
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{
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if (_tileMap.count(TileIdentifier(tid.x+dx,tid.y+dy,tid.lod))!=0)
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@ -401,8 +442,8 @@ bool TileMapper::isTileNeighbourALowerLODLevel(const TileIdentifier& tid, int dx
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// not found tile in _tileMap, what should we do??
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// return true as a fallback right now.
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#if 0
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std::cout << "TileMapper::isTileNeighbourALowerLODLevel() Not found tile in map," << std::endl;
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std::cout << " LOD=" << tid.lod << " X=" << tid.x << " Y=" << tid.y << std::endl;
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std::cout << "TileMapper::isTileNeighbourALowerLODLevel() Not found tile in map," << std::endl;
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std::cout << " LOD=" << tid.lod << " X=" << tid.x << " Y=" << tid.y << std::endl;
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#endif
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return true;
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}
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@ -418,6 +459,10 @@ bool TileMapper::isTileNeighbourALowerLODLevel(const TileIdentifier& tid, int dx
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return false;
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}
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// FIXME: this guy gives us wrong parent
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// Nick 2010/12/12
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#if 0
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// note parent here, is tid's parents parent.
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const TileStack::value_type* parent = (ts.size()>=2) ? &ts[ts.size()-2] : 0;
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@ -428,6 +473,11 @@ bool TileMapper::isTileNeighbourALowerLODLevel(const TileIdentifier& tid, int dx
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}
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const TileIdentifier& parent_tid = parent->first;
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#else
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TileIdentifier parent_tid(tid.x/2,tid.y/2,tid.lod-1);
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#endif
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bool parentHasNorthNeighour = _tileMap.count(TileIdentifier(parent_tid.x, parent_tid.y+1,parent_tid.lod))!=0;
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bool parentHasEastNeighour = _tileMap.count(TileIdentifier(parent_tid.x+1,parent_tid.y, parent_tid.lod))!=0;
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@ -436,6 +486,10 @@ bool TileMapper::isTileNeighbourALowerLODLevel(const TileIdentifier& tid, int dx
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// identify whether the tile is a NE/SE/SW/NW tile relative to its parent.
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// FIXME: wrong parent wrong values
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// Nick 2010/12/12
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#if 0
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osg::Vec3 delta = tile->second->getBound().center() - parent->second->getBound().center();
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if (delta.y()>=0.0f) // noth side
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@ -444,17 +498,17 @@ bool TileMapper::isTileNeighbourALowerLODLevel(const TileIdentifier& tid, int dx
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{
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// NE
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if (dy==1)
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return parentHasNorthNeighour;
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return parentHasNorthNeighour;
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else if (dx==1)
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return parentHasEastNeighour;
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return parentHasEastNeighour;
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}
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else
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{
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// NW
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if (dy==1)
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return parentHasNorthNeighour;
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return parentHasNorthNeighour;
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else if (dx==-1)
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return parentHasWestNeighour;
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return parentHasWestNeighour;
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}
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}
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else // south side
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@ -463,19 +517,61 @@ bool TileMapper::isTileNeighbourALowerLODLevel(const TileIdentifier& tid, int dx
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{
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// SE
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if (dy==-1)
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return parentHasSouthNeighour;
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return parentHasSouthNeighour;
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else if (dx==1)
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return parentHasEastNeighour;
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return parentHasEastNeighour;
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}
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else
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{
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// SW
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if (dy==-1)
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return parentHasSouthNeighour;
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return parentHasSouthNeighour;
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else if (dx==-1)
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return parentHasWestNeighour;
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return parentHasWestNeighour;
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}
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}
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#else
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osg::Vec3 delta(tid.x%2,tid.y%2,0);
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if (delta.y()>0.0f) // noth side
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{
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if (delta.x()>0.0f)
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{
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// NE
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if (dy==1)
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return parentHasNorthNeighour;
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else if (dx==1)
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return parentHasEastNeighour;
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}
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else
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{
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// NW
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if (dy==1)
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return parentHasNorthNeighour;
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else if (dx==-1)
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return parentHasWestNeighour;
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}
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}
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else // south side
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{
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if (delta.x()>0.0f)
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{
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// SE
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if (dy==-1)
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return parentHasSouthNeighour;
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else if (dx==1)
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return parentHasEastNeighour;
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}
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else
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{
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// SW
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if (dy==-1)
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return parentHasSouthNeighour;
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else if (dx==-1)
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return parentHasWestNeighour;
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}
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}
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#endif
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return false;
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}
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