74 lines
2.9 KiB
C++
74 lines
2.9 KiB
C++
/*
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Copyright (c) 2013, Project OSRM, Dennis Luxen, others
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __RESTRICTION_MAP_H__
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#define __RESTRICTION_MAP_H__
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#include <memory>
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#include "DynamicGraph.h"
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#include "Restriction.h"
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#include "NodeBasedGraph.h"
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#include "../Util/StdHashExtensions.h"
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#include "../typedefs.h"
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#include <unordered_map>
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#include <unordered_set>
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// Make it efficent to look up if an edge is the start + via node of a TurnRestriction
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// EdgeBasedEdgeFactory decides by it if edges are inserted or geometry is compressed
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class RestrictionMap
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{
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public:
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RestrictionMap(const std::shared_ptr<NodeBasedDynamicGraph> &graph,
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const std::vector<TurnRestriction> &input_restrictions_list);
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void FixupArrivingTurnRestriction(const NodeID u, const NodeID v, const NodeID w);
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void FixupStartingTurnRestriction(const NodeID u, const NodeID v, const NodeID w);
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NodeID CheckForEmanatingIsOnlyTurn(const NodeID u, const NodeID v) const;
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bool CheckIfTurnIsRestricted(const NodeID u, const NodeID v, const NodeID w) const;
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bool IsNodeAViaNode(const NodeID node) const;
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unsigned size() { return m_count; }
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private:
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typedef std::pair<NodeID, NodeID> RestrictionSource;
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typedef std::pair<NodeID, bool> RestrictionTarget;
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typedef std::vector<RestrictionTarget> EmanatingRestrictionsVector;
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typedef NodeBasedDynamicGraph::EdgeData EdgeData;
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unsigned m_count;
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std::shared_ptr<NodeBasedDynamicGraph> m_graph;
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//! index -> list of (target, isOnly)
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std::vector<EmanatingRestrictionsVector> m_restriction_bucket_list;
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//! maps (start, via) -> bucket index
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std::unordered_map<RestrictionSource, unsigned> m_restriction_map;
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std::unordered_set<NodeID> m_no_turn_via_node_set;
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};
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#endif
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