(svn r18364) -Codechange: move the pathfinders and their related files into a separate directory

1 files changed, 101 insertions, 0 deletions

diff --git a/src/pathfinder/yapf/yapf_node.hpp b/src/pathfinder/yapf/yapf_node.hpp
new file mode 100644
index 000000000..47312e27f
--- /dev/null
+++ b/src/pathfinder/yapf/yapf_node.hpp
@@ -0,0 +1,101 @@
+/* $Id$ */
+
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file yapf_node.hpp Node in the pathfinder's graph. */
+
+#ifndef  YAPF_NODE_HPP
+#define  YAPF_NODE_HPP
+
+/** Yapf Node Key that evaluates hash from (and compares) tile & exit dir. */
+struct CYapfNodeKeyExitDir {
+	TileIndex      m_tile;
+	Trackdir       m_td;
+	DiagDirection  m_exitdir;
+
+	FORCEINLINE void Set(TileIndex tile, Trackdir td)
+	{
+		m_tile = tile;
+		m_td = td;
+		m_exitdir = (m_td == INVALID_TRACKDIR) ? INVALID_DIAGDIR : TrackdirToExitdir(m_td);
+	}
+
+	FORCEINLINE int CalcHash() const {return m_exitdir | (m_tile << 2);}
+	FORCEINLINE bool operator == (const CYapfNodeKeyExitDir& other) const {return (m_tile == other.m_tile) && (m_exitdir == other.m_exitdir);}
+
+	void Dump(DumpTarget &dmp) const
+	{
+		dmp.WriteTile("m_tile", m_tile);
+		dmp.WriteEnumT("m_td", m_td);
+		dmp.WriteEnumT("m_exitdir", m_exitdir);
+	}
+};
+
+struct CYapfNodeKeyTrackDir : public CYapfNodeKeyExitDir
+{
+	FORCEINLINE int CalcHash() const {return m_td | (m_tile << 4);}
+	FORCEINLINE bool operator == (const CYapfNodeKeyTrackDir& other) const {return (m_tile == other.m_tile) && (m_td == other.m_td);}
+};
+
+/** Yapf Node base */
+template <class Tkey_, class Tnode>
+struct CYapfNodeT {
+	typedef Tkey_ Key;
+	typedef Tnode Node;
+
+	Tkey_       m_key;
+	Node       *m_hash_next;
+	Node       *m_parent;
+	int         m_cost;
+	int         m_estimate;
+
+	FORCEINLINE void Set(Node *parent, TileIndex tile, Trackdir td, bool is_choice)
+	{
+		m_key.Set(tile, td);
+		m_hash_next = NULL;
+		m_parent = parent;
+		m_cost = 0;
+		m_estimate = 0;
+	}
+
+	FORCEINLINE Node *GetHashNext() {return m_hash_next;}
+	FORCEINLINE void SetHashNext(Node *pNext) {m_hash_next = pNext;}
+	FORCEINLINE TileIndex GetTile() const {return m_key.m_tile;}
+	FORCEINLINE Trackdir GetTrackdir() const {return m_key.m_td;}
+	FORCEINLINE const Tkey_& GetKey() const {return m_key;}
+	FORCEINLINE int GetCost() const {return m_cost;}
+	FORCEINLINE int GetCostEstimate() const {return m_estimate;}
+	FORCEINLINE bool operator < (const Node& other) const {return m_estimate < other.m_estimate;}
+
+	void Dump(DumpTarget &dmp) const
+	{
+		dmp.WriteStructT("m_key", &m_key);
+		dmp.WriteStructT("m_parent", m_parent);
+		dmp.WriteLine("m_cost = %d", m_cost);
+		dmp.WriteLine("m_estimate = %d", m_estimate);
+	}
+};
+
+/** Yapf Node for ships */
+template <class Tkey_>
+struct CYapfShipNodeT
+	: CYapfNodeT<Tkey_, CYapfShipNodeT<Tkey_> >
+{
+
+};
+
+/* now define two major node types (that differ by key type) */
+typedef CYapfShipNodeT<CYapfNodeKeyExitDir>  CYapfShipNodeExitDir;
+typedef CYapfShipNodeT<CYapfNodeKeyTrackDir> CYapfShipNodeTrackDir;
+
+/* Default NodeList types */
+typedef CNodeList_HashTableT<CYapfShipNodeExitDir , 14, 16> CShipNodeListExitDir;
+typedef CNodeList_HashTableT<CYapfShipNodeTrackDir, 16, 20> CShipNodeListTrackDir;
+
+
+#endif /* YAPF_NODE_HPP */