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-rw-r--r--docs/landscape.html38
-rw-r--r--docs/landscape_grid.html16
-rw-r--r--src/rail_map.h81
-rw-r--r--src/road_map.h37
-rw-r--r--src/station_map.h36
-rw-r--r--src/track_func.h15
-rw-r--r--src/tunnelbridge_map.h39
7 files changed, 254 insertions, 8 deletions
diff --git a/docs/landscape.html b/docs/landscape.html
index 9a92ba9c0..15333cc8f 100644
--- a/docs/landscape.html
+++ b/docs/landscape.html
@@ -407,6 +407,39 @@
<li>m4 bits 7..4: bit clear = signal 3..0 shows red</li>
</ul>
</li>
+ <li>m2 bits 8..10: track reserved for pbs
+ <table>
+ <tr>
+ <td><tt>0</tt>&nbsp; </td>
+ <td>not reserved</td>
+ </tr>
+ <tr>
+ <td><tt>1</tt>&nbsp; </td>
+ <td>X direction</td>
+ </tr>
+ <tr>
+ <td><tt>2</tt>&nbsp; </td>
+ <td>Y direction</td>
+ </tr>
+ <tr>
+ <td><tt>3</tt>&nbsp; </td>
+ <td>north corner (W-E)</td>
+ </tr>
+ <tr>
+ <td><tt>4</tt>&nbsp; </td>
+ <td>south corner (W-E)</td>
+ </tr>
+ <tr>
+ <td><tt>5</tt>&nbsp; </td>
+ <td>west corner (N-S)</td>
+ </tr>
+ <tr>
+ <td><tt>6</tt>&nbsp; </td>
+ <td>east corner (N-S)</td>
+ </tr>
+ </table>
+ </li>
+ <li>m2 bit 11: opposite track is reserved, too</li>
</ul>
</li>
<li>m5 bit 7 set, bit 6 clear: checkpoint
@@ -425,6 +458,7 @@
</tr>
</table>
</li>
+ <li>m5 bit 4: pbs reservation state</li>
</ul>
</li>
<li>m5 bit 7 set, bit 6 set: railway depot
@@ -452,6 +486,7 @@
</tr>
</table>
</li>
+ <li>m5 bit 4: pbs reservation state</li>
</ul>
</li>
<li>m6 bits 7..6 : Possibility of a bridge above, in the <a href="#bridge_direction">direction specified</a></li>
@@ -582,6 +617,7 @@
</li>
<li>m4 bit 5: set if crossing lights are on</li>
<li>m4 bits 4..0: <a href="#OwnershipInfo">owner</a> of the road type 0 (normal road)</li>
+ <li>m5 bit 4: pbs reservation state</li>
</ul>
</li>
</ul>
@@ -898,6 +934,7 @@
</li>
<li>m6 bits 5..3: the station type (rail, airport, truck, bus, oilrig, dock, buoy)</li>
<li>m6 bit 2: 1 when a drive through road stop is built over a town owned road, otherwise 0</li>
+ <li>m6 bit 2: pbs reservation state for railway stations</li>
<li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li>
<li>m7: animation frame</li>
</ul>
@@ -1370,6 +1407,7 @@
<li>m3 bits 3..0: <a href="#TrackType">track type</a> for railway</li>
<li>m3 bits 2..0: present road types for road</li>
<li>m4 bit 7 set = on snow or desert</li>
+ <li>m5 bit 4: pbs reservation state for railway</li>
<li>m5 bits 7 clear: tunnel entrance/exit</li>
<li>m5 bit 7 set: bridge ramp
<ul>
diff --git a/docs/landscape_grid.html b/docs/landscape_grid.html
index 291447f30..e01d32460 100644
--- a/docs/landscape_grid.html
+++ b/docs/landscape_grid.html
@@ -90,7 +90,7 @@ the array so you can quickly see what is used and what is not.
<td class="caption">rail</td>
<td class="bits">XXXX XXXX</td>
<td class="bits"><span class="option">~~~</span>X XXXX</td>
- <td class="bits"><span class="free">OOOO OOOO OOOO OOOO</span></td>
+ <td class="bits"><span class="free">OOOO</span> XXXX <span class="free">OOOO OOOO</span></td>
<td class="bits"><span class="free">OOOO</span> <span class="option">~~</span>XX</td>
<td class="bits"><span class="free">OOOO</span> XXXX</td>
<td class="bits">XXXX XXXX</td>
@@ -101,7 +101,7 @@ the array so you can quickly see what is used and what is not.
<td class="caption">rail with signals</td>
<td class="bits">-inherit-</td>
<td class="bits">-inherit-</td>
- <td class="bits"><span class="free">OOOO OOOO O</span>XXX <span class="free">O</span>XXX</td>
+ <td class="bits"><span class="free">OOOO</span> XXXX <span class="free">O</span>XXX <span class="free">O</span>XXX</td>
<td class="bits">XXXX <span class="option">~~</span>XX</td>
<td class="bits">XXXX XXXX</td>
<td class="bits">-inherit-</td>
@@ -115,7 +115,7 @@ the array so you can quickly see what is used and what is not.
<td class="bits"><span class="free">OOOO OOOO OOOO OOOO</span></td>
<td class="bits"><span class="free">OOOO</span> <span class="option">~~</span>XX</td>
<td class="bits"><span class="free">OOOO</span> XXXX</td>
- <td class="bits">XX<span class="free">OO OO</span>XX</td>
+ <td class="bits">XX<span class="free">O</span>X <span class="free">O</span>XXX</td>
<td class="bits">XX<span class="free">OO OO</span>XX</td>
<td class="bits"><span class="free">OOOO OOOO</span></td>
</tr>
@@ -126,7 +126,7 @@ the array so you can quickly see what is used and what is not.
<td class="bits">XXXX XXXX XXXX XXXX</td>
<td class="bits"><span class="free">OOOO</span> <span class="option">~~</span>XX</td>
<td class="bits"><span class="free">OOOO</span> XXXX</td>
- <td class="bits">XX<span class="free">OO OOO</span>X</td>
+ <td class="bits">XX<span class="free">O</span>X <span class="free">OOO</span>X</td>
<td class="bits">XX<span class="free">OO OO</span>XX</td>
<td class="bits"><span class="free">OOOO OOOO</span></td>
</tr>
@@ -149,7 +149,7 @@ the array so you can quickly see what is used and what is not.
<td class="bits">-inherit-</td>
<td class="bits">XXXX <span class="option">~~</span>XX</td>
<td class="bits"><span class="free">O</span>XXX XXXX</td>
- <td class="bits">XX<span class="free">OO</span> XXXX</td>
+ <td class="bits">XX<span class="free">O</span>X XXXX</td>
<td class="bits">XX<span class="free">OO OO</span>XX</td>
<td class="bits">-inherit-</td>
</tr>
@@ -197,7 +197,7 @@ the array so you can quickly see what is used and what is not.
<td class="bits">XXXX <span class="option">~~</span>XX</td>
<td class="bits">XXXX XXXX</td>
<td class="bits">XXXX XXXX</td>
- <td class="bits"><span class="free">OO</span>XX X<span class="free">O</span>XX</td>
+ <td class="bits"><span class="free">OO</span>XX XXXX</td>
<td class="bits">XXXX XXXX</td>
</tr>
<tr>
@@ -310,7 +310,7 @@ the array so you can quickly see what is used and what is not.
<td class="bits"><span class="free">OOOO OOOO OOOO OOOO</span></td>
<td class="bits"><span class="free">OOOO</span> <span class="option">~</span><span class="abuse">XXX</span></td>
<td class="bits">X<span class="free">OOO OOOO</span></td>
- <td class="bits">X<span class="free">OOO</span> <span class="option">~</span>XXX</td>
+ <td class="bits">X<span class="free">OO</span>X <span class="option">~</span>XXX</td>
<td class="bits">XX<span class="free">OO OO</span>XX</td>
<td class="bits"><span class="free">OOOO OOOO</span></td>
</tr>
@@ -321,7 +321,7 @@ the array so you can quickly see what is used and what is not.
<td class="bits"><span class="free">OOOO OOOO</span> XXXX <span class="free">OOOO</span></td>
<td class="bits"><span class="free">OOOO</span> <span class="option">~</span><span class="abuse">XXX</span></td>
<td class="bits">X<span class="free">OOO OOOO</span></td>
- <td class="bits">X<span class="free">OOO</span> <span class="option">~</span>XXX</td>
+ <td class="bits">X<span class="free">OO</span>X <span class="option">~</span>XXX</td>
<td class="bits">XX<span class="free">OO OO</span>XX</td>
<td class="bits"><span class="free">OOOO OOOO</span></td>
</tr>
diff --git a/src/rail_map.h b/src/rail_map.h
index 8c436d055..56eecc473 100644
--- a/src/rail_map.h
+++ b/src/rail_map.h
@@ -224,6 +224,87 @@ static inline WaypointID GetWaypointIndex(TileIndex t)
return (WaypointID)_m[t].m2;
}
+
+/**
+ * Returns the reserved track bits of the tile
+ * @pre IsPlainRailTile(t)
+ * @param t the tile to query
+ * @return the track bits
+ */
+static inline TrackBits GetTrackReservation(TileIndex t)
+{
+ assert(IsPlainRailTile(t));
+ byte track_b = GB(_m[t].m2, 8, 3);
+ Track track = (Track)(track_b - 1); // map array saves Track+1
+ if (track_b == 0) return TRACK_BIT_NONE;
+ return (TrackBits)(TrackToTrackBits(track) | (HasBit(_m[t].m2, 11) ? TrackToTrackBits(TrackToOppositeTrack(track)) : 0));
+}
+
+/**
+ * Sets the reserved track bits of the tile
+ * @pre IsPlainRailTile(t) && !TracksOverlap(b)
+ * @param t the tile to change
+ * @param b the track bits
+ */
+static inline void SetTrackReservation(TileIndex t, TrackBits b)
+{
+ assert(IsPlainRailTile(t));
+ assert(b != INVALID_TRACK_BIT);
+ assert(!TracksOverlap(b));
+ Track track = RemoveFirstTrack(&b);
+ SB(_m[t].m2, 8, 3, track == INVALID_TRACK ? 0 : track+1);
+ SB(_m[t].m2, 11, 1, (byte)(b != TRACK_BIT_NONE));
+}
+
+/**
+ * Get the reservation state of the waypoint or depot
+ * @note Works for both waypoints and rail depots
+ * @pre IsRailWaypoint(t) || IsRailDepot(t)
+ * @param t the waypoint/depot tile
+ * @return reservation state
+ */
+static inline bool GetDepotWaypointReservation(TileIndex t)
+{
+ assert(IsRailWaypoint(t) || IsRailDepot(t));
+ return HasBit(_m[t].m5, 4);
+}
+
+/**
+ * Set the reservation state of the waypoint or depot
+ * @note Works for both waypoints and rail depots
+ * @pre IsRailWaypoint(t) || IsRailDepot(t)
+ * @param t the waypoint/depot tile
+ * @param b the reservation state
+ */
+static inline void SetDepotWaypointReservation(TileIndex t, bool b)
+{
+ assert(IsRailWaypoint(t) || IsRailDepot(t));
+ SB(_m[t].m5, 4, 1, (byte)b);
+}
+
+/**
+ * Get the reserved track bits for a waypoint
+ * @pre IsRailWaypoint(t)
+ * @param t the tile
+ * @return reserved track bits
+ */
+static inline TrackBits GetRailWaypointReservation(TileIndex t)
+{
+ return GetDepotWaypointReservation(t) ? GetRailWaypointBits(t) : TRACK_BIT_NONE;
+}
+
+/**
+ * Get the reserved track bits for a depot
+ * @pre IsRailDepot(t)
+ * @param t the tile
+ * @return reserved track bits
+ */
+static inline TrackBits GetRailDepotReservation(TileIndex t)
+{
+ return GetDepotWaypointReservation(t) ? TrackToTrackBits(GetRailDepotTrack(t)) : TRACK_BIT_NONE;
+}
+
+
static inline SignalType GetSignalType(TileIndex t, Track track)
{
assert(GetRailTileType(t) == RAIL_TILE_SIGNALS);
diff --git a/src/road_map.h b/src/road_map.h
index 756e3fcb7..dfd88ae3f 100644
--- a/src/road_map.h
+++ b/src/road_map.h
@@ -253,6 +253,43 @@ static inline TrackBits GetCrossingRailBits(TileIndex tile)
return AxisToTrackBits(GetCrossingRailAxis(tile));
}
+
+/**
+ * Get the reservation state of the rail crossing
+ * @pre IsLevelCrossingTile(t)
+ * @param t the crossing tile
+ * @return reservation state
+ */
+static inline bool GetCrossingReservation(TileIndex t)
+{
+ assert(IsLevelCrossingTile(t));
+ return HasBit(_m[t].m5, 4);
+}
+
+/**
+ * Set the reservation state of the rail crossing
+ * @note Works for both waypoints and rail depots
+ * @pre IsLevelCrossingTile(t)
+ * @param t the crossing tile
+ * @param b the reservation state
+ */
+static inline void SetCrossingReservation(TileIndex t, bool b)
+{
+ assert(IsLevelCrossingTile(t));
+ SB(_m[t].m5, 4, 1, b ? 1 : 0);
+}
+
+/**
+ * Get the reserved track bits for a rail crossing
+ * @pre IsLevelCrossingTile(t)
+ * @param t the tile
+ * @return reserved track bits
+ */
+static inline TrackBits GetRailCrossingReservation(TileIndex t)
+{
+ return GetCrossingReservation(t) ? GetCrossingRailBits(t) : TRACK_BIT_NONE;
+}
+
static inline bool IsCrossingBarred(TileIndex t)
{
assert(IsLevelCrossing(t));
diff --git a/src/station_map.h b/src/station_map.h
index 7422a32e5..77d427958 100644
--- a/src/station_map.h
+++ b/src/station_map.h
@@ -204,6 +204,41 @@ static inline bool IsCompatibleTrainStationTile(TileIndex t1, TileIndex t2)
!IsStationTileBlocked(t1);
}
+/**
+ * Get the reservation state of the rail station
+ * @pre IsRailwayStationTile(t)
+ * @param t the station tile
+ * @return reservation state
+ */
+static inline bool GetRailwayStationReservation(TileIndex t)
+{
+ assert(IsRailwayStationTile(t));
+ return HasBit(_m[t].m6, 2);
+}
+
+/**
+ * Set the reservation state of the rail station
+ * @pre IsRailwayStationTile(t)
+ * @param t the station tile
+ * @param b the reservation state
+ */
+static inline void SetRailwayStationReservation(TileIndex t, bool b)
+{
+ assert(IsRailwayStationTile(t));
+ SB(_m[t].m6, 2, 1, b ? 1 : 0);
+}
+
+/**
+ * Get the reserved track bits for a waypoint
+ * @pre IsRailwayStationTile(t)
+ * @param t the tile
+ * @return reserved track bits
+ */
+static inline TrackBits GetRailStationReservation(TileIndex t)
+{
+ return GetRailwayStationReservation(t) ? AxisToTrackBits(GetRailStationAxis(t)) : TRACK_BIT_NONE;
+}
+
static inline DiagDirection GetDockDirection(TileIndex t)
{
@@ -277,6 +312,7 @@ static inline void MakeRailStation(TileIndex t, Owner o, StationID sid, Axis a,
{
MakeStation(t, o, sid, STATION_RAIL, section + a);
SetRailType(t, rt);
+ SetRailwayStationReservation(t, false);
}
static inline void MakeRoadStop(TileIndex t, Owner o, StationID sid, RoadStopType rst, RoadTypes rt, DiagDirection d)
diff --git a/src/track_func.h b/src/track_func.h
index e6591212a..144ea03e8 100644
--- a/src/track_func.h
+++ b/src/track_func.h
@@ -198,6 +198,21 @@ static inline bool IsValidTrackdir(Trackdir trackdir)
*/
/**
+ * Find the opposite track to a given track.
+ *
+ * TRACK_LOWER -> TRACK_UPPER and vice versa, likewise for left/right.
+ * TRACK_X is mapped to TRACK_Y and reversed.
+ *
+ * @param t the track to convert
+ * @return the opposite track
+ */
+static inline Track TrackToOppositeTrack(Track t)
+{
+ assert(t != INVALID_TRACK);
+ return (Track)(t ^ 1);
+}
+
+/**
* Maps a trackdir to the reverse trackdir.
*
* Returns the reverse trackdir of a Trackdir value. The reverse trackdir
diff --git a/src/tunnelbridge_map.h b/src/tunnelbridge_map.h
index bdc709944..5b5c6e447 100644
--- a/src/tunnelbridge_map.h
+++ b/src/tunnelbridge_map.h
@@ -11,6 +11,7 @@
#include "bridge_map.h"
#include "tunnel_map.h"
#include "transport_type.h"
+#include "track_func.h"
/**
@@ -80,4 +81,42 @@ static inline TileIndex GetOtherTunnelBridgeEnd(TileIndex t)
return IsTunnel(t) ? GetOtherTunnelEnd(t) : GetOtherBridgeEnd(t);
}
+
+/**
+ * Get the reservation state of the rail tunnel/bridge
+ * @pre IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL
+ * @param t the tile
+ * @return reservation state
+ */
+static inline bool GetTunnelBridgeReservation(TileIndex t)
+{
+ assert(IsTileType(t, MP_TUNNELBRIDGE));
+ assert(GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL);
+ return HasBit(_m[t].m5, 4);
+}
+
+/**
+ * Set the reservation state of the rail tunnel/bridge
+ * @pre IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL
+ * @param t the tile
+ * @param b the reservation state
+ */
+static inline void SetTunnelBridgeReservation(TileIndex t, bool b)
+{
+ assert(IsTileType(t, MP_TUNNELBRIDGE));
+ assert(GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL);
+ SB(_m[t].m5, 4, 1, b ? 1 : 0);
+}
+
+/**
+ * Get the reserved track bits for a rail tunnel/bridge
+ * @pre IsTileType(t, MP_TUNNELBRIDGE) && GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL
+ * @param t the tile
+ * @return reserved track bits
+ */
+static inline TrackBits GetRailTunnelBridgeReservation(TileIndex t)
+{
+ return GetTunnelBridgeReservation(t) ? DiagDirToDiagTrackBits(GetTunnelBridgeDirection(t)) : TRACK_BIT_NONE;
+}
+
#endif /* TUNNELBRIDGE_MAP_H */
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-12-02 10:40:12 +0000