author | bjarni |
Wed, 28 Feb 2007 00:33:40 +0000 | |
branch | cpp_gui |
changeset 6268 | 4b5241e5dd10 |
parent 5726 | 8f399788f6c9 |
child 6720 | 35756db7e577 |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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/** @file yapf_node.hpp */ |
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#ifndef YAPF_NODE_HPP |
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#define YAPF_NODE_HPP |
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/** Yapf Node Key that evaluates hash from (and compares) tile & exit dir. */ |
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struct CYapfNodeKeyExitDir { |
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TileIndex m_tile; |
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Trackdir m_td; |
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DiagDirection m_exitdir; |
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FORCEINLINE void Set(TileIndex tile, Trackdir td) |
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{ |
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m_tile = tile; |
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m_td = td; |
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m_exitdir = (m_td == INVALID_TRACKDIR) ? INVALID_DIAGDIR : TrackdirToExitdir(m_td); |
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} |
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FORCEINLINE int CalcHash() const {return m_exitdir | (m_tile << 2);} |
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FORCEINLINE bool operator == (const CYapfNodeKeyExitDir& other) const {return (m_tile == other.m_tile) && (m_exitdir == other.m_exitdir);} |
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}; |
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struct CYapfNodeKeyTrackDir : public CYapfNodeKeyExitDir |
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{ |
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FORCEINLINE int CalcHash() const {return m_td | (m_tile << 4);} |
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FORCEINLINE bool operator == (const CYapfNodeKeyTrackDir& other) const {return (m_tile == other.m_tile) && (m_td == other.m_td);} |
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}; |
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/** Yapf Node base */ |
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template <class Tkey_, class Tnode> |
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struct CYapfNodeT { |
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typedef Tkey_ Key; |
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typedef Tnode Node; |
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Tkey_ m_key; |
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Node *m_hash_next; |
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Node *m_parent; |
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int m_cost; |
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int m_estimate; |
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FORCEINLINE void Set(Node *parent, TileIndex tile, Trackdir td, bool is_choice) |
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{ |
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m_key.Set(tile, td); |
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m_hash_next = NULL; |
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m_parent = parent; |
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m_cost = 0; |
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m_estimate = 0; |
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} |
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FORCEINLINE Node* GetHashNext() {return m_hash_next;} |
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FORCEINLINE void SetHashNext(Node *pNext) {m_hash_next = pNext;} |
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FORCEINLINE TileIndex GetTile() const {return m_key.m_tile;} |
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FORCEINLINE Trackdir GetTrackdir() const {return m_key.m_td;} |
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FORCEINLINE const Tkey_& GetKey() const {return m_key;} |
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FORCEINLINE int GetCost() {return m_cost;} |
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FORCEINLINE int GetCostEstimate() {return m_estimate;} |
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FORCEINLINE bool operator < (const Node& other) const {return m_estimate < other.m_estimate;} |
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}; |
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/** Yapf Node for ships */ |
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template <class Tkey_> |
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struct CYapfShipNodeT |
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: CYapfNodeT<Tkey_, CYapfShipNodeT<Tkey_> > |
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{ |
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}; |
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// now define two major node types (that differ by key type) |
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typedef CYapfShipNodeT<CYapfNodeKeyExitDir> CYapfShipNodeExitDir; |
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typedef CYapfShipNodeT<CYapfNodeKeyTrackDir> CYapfShipNodeTrackDir; |
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// Default NodeList types |
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typedef CNodeList_HashTableT<CYapfShipNodeExitDir , 14, 16> CShipNodeListExitDir; |
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typedef CNodeList_HashTableT<CYapfShipNodeTrackDir, 16, 20> CShipNodeListTrackDir; |
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#endif /* YAPF_NODE_HPP */ |