dave/openttd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

(svn r5018) [YAPF] Added some comments to YAPF implementation.

Browse Source
This commit is contained in:
KUDr
2006-05-29 18:39:42 +00:00
parent a025ab5524
commit af9f81b6a8
9 changed files with 171 additions and 74 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
yapf/yapf_destrail.hpp
View File

@@ -25,18 +25,22 @@ class CYapfDestinationAnyDepotRailT
: public CYapfDestinationRailBase
{
public:
typedef typename Types::Tpf Tpf;
typedef typename Types::Tpf Tpf; ///< the pathfinder class (derived from THIS class)
typedef typename Types::NodeList::Titem Node; ///< this will be our node type
typedef typename Node::Key Key; ///< key to hash tables
typedef typename Node::Key Key; ///< key to hash tables
/// to access inherited path finder
Tpf& Yapf() {return *static_cast<Tpf*>(this);}
/// Called by YAPF to detect if node ends in the desired destination
FORCEINLINE bool PfDetectDestination(Node& n)
{
bool bDest = IsTileDepotType(n.GetLastTile(), TRANSPORT_RAIL);
return bDest;
}
/** Called by YAPF to calculate cost estimate. Calculates distance to the destination
* adds it to the actual cost from origin and stores the sum to the Node::m_estimate */
FORCEINLINE bool PfCalcEstimate(Node& n)
{
n.m_estimate = n.m_cost;
@@ -49,15 +53,16 @@ class CYapfDestinationTileOrStationRailT
: public CYapfDestinationRailBase
{
public:
typedef typename Types::Tpf Tpf;
typedef typename Types::Tpf Tpf; ///< the pathfinder class (derived from THIS class)
typedef typename Types::NodeList::Titem Node; ///< this will be our node type
typedef typename Node::Key Key; ///< key to hash tables
typedef typename Node::Key Key; ///< key to hash tables
protected:
TileIndex m_destTile;
TrackdirBits m_destTrackdirs;
StationID m_dest_station_id;
/// to access inherited path finder
Tpf& Yapf() {return *static_cast<Tpf*>(this);}
static TileIndex CalcStationCenterTile(StationID station)
@@ -85,6 +90,7 @@ public:
CYapfDestinationRailBase::SetDestination(v);
}
/// Called by YAPF to detect if node ends in the desired destination
FORCEINLINE bool PfDetectDestination(Node& n)
{
bool bDest;
@@ -99,6 +105,8 @@ public:
return bDest;
}
/** Called by YAPF to calculate cost estimate. Calculates distance to the destination
* adds it to the actual cost from origin and stores the sum to the Node::m_estimate */
FORCEINLINE bool PfCalcEstimate(Node& n)
{
static int dg_dir_to_x_offs[] = {-1, 0, 1, 0};