(svn r7759) -Merge: makefile rewrite. This merge features:
- A proper ./configure, so everything needs to be configured only once, not for every make. - Usage of makedepend when available. This greatly reduces the time needed for generating the dependencies. - A generator for all project files. There is a single file with sources, which is used to generate Makefiles and the project files for MSVC. - Proper support for OSX universal binaries. - Object files for non-MSVC compiles are also placed in separate directories, making is faster to switch between debug and release compiles and it does not touch the directory with the source files. - Functionality to make a bundle of all needed files for for example a nightly or distribution of a binary with all needed GRFs and language files. Note: as this merge moves almost all files, it is recommended to make a backup of your working copy before updating your working copy.
This commit is contained in:
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src/yapf/yapf_common.hpp
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163
src/yapf/yapf_common.hpp
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/* $Id$ */
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#ifndef YAPF_COMMON_HPP
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#define YAPF_COMMON_HPP
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/** YAPF origin provider base class - used when origin is one tile / multiple trackdirs */
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template <class Types>
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class CYapfOriginTileT
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{
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public:
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typedef typename Types::Tpf Tpf; ///< the pathfinder class (derived from THIS class)
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typedef typename Types::NodeList::Titem Node; ///< this will be our node type
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typedef typename Node::Key Key; ///< key to hash tables
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protected:
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TileIndex m_orgTile; ///< origin tile
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TrackdirBits m_orgTrackdirs; ///< origin trackdir mask
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/// to access inherited path finder
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FORCEINLINE Tpf& Yapf() {return *static_cast<Tpf*>(this);}
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public:
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/// Set origin tile / trackdir mask
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void SetOrigin(TileIndex tile, TrackdirBits trackdirs)
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{
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m_orgTile = tile;
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m_orgTrackdirs = trackdirs;
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}
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/// Called when YAPF needs to place origin nodes into open list
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void PfSetStartupNodes()
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{
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bool is_choice = (KillFirstBit2x64(m_orgTrackdirs) != 0);
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for (TrackdirBits tdb = m_orgTrackdirs; tdb != TRACKDIR_BIT_NONE; tdb = (TrackdirBits)KillFirstBit2x64(tdb)) {
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Trackdir td = (Trackdir)FindFirstBit2x64(tdb);
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Node& n1 = Yapf().CreateNewNode();
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n1.Set(NULL, m_orgTile, td, is_choice);
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Yapf().AddStartupNode(n1);
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}
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}
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};
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/** YAPF origin provider base class - used when there are two tile/trackdir origins */
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template <class Types>
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class CYapfOriginTileTwoWayT
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{
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public:
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typedef typename Types::Tpf Tpf; ///< the pathfinder class (derived from THIS class)
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typedef typename Types::NodeList::Titem Node; ///< this will be our node type
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typedef typename Node::Key Key; ///< key to hash tables
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protected:
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TileIndex m_orgTile; ///< first origin tile
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Trackdir m_orgTd; ///< first origin trackdir
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TileIndex m_revTile; ///< second (reversed) origin tile
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Trackdir m_revTd; ///< second (reversed) origin trackdir
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int m_reverse_penalty; ///< penalty to be added for using the reversed origin
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bool m_treat_first_red_two_way_signal_as_eol; ///< in some cases (leaving station) we need to handle first two-way signal differently
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/// to access inherited path finder
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FORCEINLINE Tpf& Yapf() {return *static_cast<Tpf*>(this);}
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public:
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/// set origin (tiles, trackdirs, etc.)
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void SetOrigin(TileIndex tile, Trackdir td, TileIndex tiler = INVALID_TILE, Trackdir tdr = INVALID_TRACKDIR, int reverse_penalty = 0, bool treat_first_red_two_way_signal_as_eol = true)
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{
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m_orgTile = tile;
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m_orgTd = td;
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m_revTile = tiler;
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m_revTd = tdr;
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m_reverse_penalty = reverse_penalty;
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m_treat_first_red_two_way_signal_as_eol = treat_first_red_two_way_signal_as_eol;
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}
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/// Called when YAPF needs to place origin nodes into open list
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void PfSetStartupNodes()
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{
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if (m_orgTile != INVALID_TILE && m_orgTd != INVALID_TRACKDIR) {
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Node& n1 = Yapf().CreateNewNode();
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n1.Set(NULL, m_orgTile, m_orgTd, false);
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Yapf().AddStartupNode(n1);
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}
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if (m_revTile != INVALID_TILE && m_revTd != INVALID_TRACKDIR) {
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Node& n2 = Yapf().CreateNewNode();
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n2.Set(NULL, m_revTile, m_revTd, false);
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n2.m_cost = m_reverse_penalty;
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Yapf().AddStartupNode(n2);
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}
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}
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/// return true if first two-way signal should be treated as dead end
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FORCEINLINE bool TreatFirstRedTwoWaySignalAsEOL()
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{
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return Yapf().PfGetSettings().rail_firstred_twoway_eol && m_treat_first_red_two_way_signal_as_eol;
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}
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};
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/** YAPF destination provider base class - used when destination is single tile / multiple trackdirs */
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template <class Types>
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class CYapfDestinationTileT
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{
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public:
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typedef typename Types::Tpf Tpf; ///< the pathfinder class (derived from THIS class)
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typedef typename Types::NodeList::Titem Node; ///< this will be our node type
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typedef typename Node::Key Key; ///< key to hash tables
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protected:
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TileIndex m_destTile; ///< destination tile
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TrackdirBits m_destTrackdirs; ///< destination trackdir mask
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public:
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/// set the destination tile / more trackdirs
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void SetDestination(TileIndex tile, TrackdirBits trackdirs)
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{
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m_destTile = tile;
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m_destTrackdirs = trackdirs;
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}
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protected:
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/// to access inherited path finder
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Tpf& Yapf() {return *static_cast<Tpf*>(this);}
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public:
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/// Called by YAPF to detect if node ends in the desired destination
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FORCEINLINE bool PfDetectDestination(Node& n)
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{
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bool bDest = (n.m_key.m_tile == m_destTile) && ((m_destTrackdirs & TrackdirToTrackdirBits(n.GetTrackdir())) != TRACKDIR_BIT_NONE);
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return bDest;
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}
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/** Called by YAPF to calculate cost estimate. Calculates distance to the destination
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* adds it to the actual cost from origin and stores the sum to the Node::m_estimate */
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inline bool PfCalcEstimate(Node& n)
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{
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int dx = abs(TileX(n.GetTile()) - TileX(m_destTile));
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int dy = abs(TileY(n.GetTile()) - TileY(m_destTile));
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assert(dx >= 0 && dy >= 0);
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int dd = min(dx, dy);
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int dxy = abs(dx - dy);
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int d = 14 * dd + 10 * dxy;
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n.m_estimate = n.m_cost + d /*+ d / 8*/;
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return true;
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}
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};
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/** YAPF template that uses Ttypes template argument to determine all YAPF
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* components (base classes) from which the actual YAPF is composed.
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* For example classes consult: CYapfRail_TypesT template and its instantiations:
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* CYapfRail1, CYapfRail2, CYapfRail3, CYapfAnyDepotRail1, CYapfAnyDepotRail2, CYapfAnyDepotRail3 */
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template <class Ttypes>
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class CYapfT
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: public Ttypes::PfBase ///< Instance of CYapfBaseT - main YAPF loop and support base class
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, public Ttypes::PfCost ///< Cost calculation provider base class
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, public Ttypes::PfCache ///< Segment cost cache provider
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, public Ttypes::PfOrigin ///< Origin (tile or two-tile origin)
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, public Ttypes::PfDestination ///< Destination detector and distance (estimate) calculation provider
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, public Ttypes::PfFollow ///< Node follower (stepping provider)
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{
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};
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#endif /* YAPF_COMMON_HPP */
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