(svn r4113) Moved all relevant map functions for stations to station_map.[ch]

Some work with animated tiles remains. Thanks to Tron for parts of the code and lots of proof-reading and suggesting

1 files changed, 177 insertions, 0 deletions

diff --git a/station_map.h b/station_map.h
index 192979d77..759c79c2f 100644
--- a/station_map.h
+++ b/station_map.h
@@ -1,6 +1,10 @@
 /* $Id$ */
 
+#ifndef STATION_MAP_H
+#define STATION_MAP_H
+
 #include "station.h"
+#include "water_map.h" /* for IsClearWaterTile */
 
 
 static inline StationID GetStationIndex(TileIndex t)
@@ -12,3 +16,176 @@ static inline Station* GetStationByTile(TileIndex t)
 {
 	return GetStation(GetStationIndex(t));
 }
+
+
+enum {
+	RAILWAY_BASE = 0x0,
+	AIRPORT_BASE = 0x8,
+	TRUCK_BASE = 0x43,
+	BUS_BASE = 0x47,
+	OILRIG_BASE = 0x4B,
+	DOCK_BASE = 0x4C,
+	DOCK_BASE_WATER_PART = 0x50,
+	BUOY_BASE = 0x52,
+	AIRPORT_BASE_EXTENDED = 0x53,
+
+	TYPE_MAX = 0x72
+};
+
+enum {
+	RAILWAY_SIZE = AIRPORT_BASE - RAILWAY_BASE,
+	AIRPORT_SIZE = TRUCK_BASE - AIRPORT_BASE,
+	TRUCK_SIZE = BUS_BASE - TRUCK_BASE,
+	BUS_SIZE = OILRIG_BASE - BUS_BASE,
+	DOCK_SIZE_TOTAL = BUOY_BASE - DOCK_BASE,
+	AIRPORT_SIZE_EXTENDED = TYPE_MAX - AIRPORT_BASE_EXTENDED
+};
+
+typedef enum HangarTiles {
+	HANGAR_TILE_0 = 32,
+	HANGAR_TILE_1 = 65
+} HangarTiles;
+
+typedef enum StationType {
+	STATION_RAIL,
+	STATION_HANGAR,
+	STATION_AIRPORT,
+	STATION_TRUCK,
+	STATION_BUS,
+	STATION_OILRIG,
+	STATION_DOCK,
+	STATION_BUOY
+} StationType;
+
+StationType GetStationType(TileIndex);
+
+static inline bool IsRailwayStation(TileIndex t)
+{
+	return _m[t].m5 < RAILWAY_BASE + RAILWAY_SIZE;
+}
+
+static inline bool IsHangar(TileIndex t)
+{
+	return _m[t].m5 == HANGAR_TILE_0 || _m[t].m5 == HANGAR_TILE_1;
+}
+
+static inline bool IsAirport(TileIndex t)
+{
+	return
+		IS_INT_INSIDE(_m[t].m5, AIRPORT_BASE, AIRPORT_BASE + AIRPORT_SIZE) ||
+		IS_INT_INSIDE(_m[t].m5, AIRPORT_BASE_EXTENDED, AIRPORT_BASE_EXTENDED + AIRPORT_SIZE_EXTENDED);
+}
+
+static inline bool IsTruckStop(TileIndex t)
+{
+	return IS_INT_INSIDE(_m[t].m5, TRUCK_BASE, TRUCK_BASE + TRUCK_SIZE);
+}
+
+static inline bool IsBusStop(TileIndex t)
+{
+	return IS_INT_INSIDE(_m[t].m5, BUS_BASE, BUS_BASE + BUS_SIZE);
+}
+
+static inline bool IsRoadStop(TileIndex t)
+{
+	return IsTruckStop(t) || IsBusStop(t);
+}
+
+static inline bool IsOilRig(TileIndex t)
+{
+	return _m[t].m5 == OILRIG_BASE;
+}
+
+static inline bool IsDock(TileIndex t)
+{
+	return IS_INT_INSIDE(_m[t].m5, DOCK_BASE, DOCK_BASE + DOCK_SIZE_TOTAL);
+}
+
+static inline bool IsBuoy_(TileIndex t) // XXX _ due to naming conflict
+{
+	return _m[t].m5 == BUOY_BASE;
+}
+
+
+static inline Axis GetRailStationAxis(TileIndex t)
+{
+	assert(IsRailwayStation(t));
+	return HASBIT(_m[t].m5, 0) ? AXIS_Y : AXIS_X;
+}
+
+
+static inline Track GetRailStationTrack(TileIndex t)
+{
+	return GetRailStationAxis(t) == AXIS_X ? TRACK_X : TRACK_Y;
+}
+
+
+static inline DiagDirection GetDockDirection(TileIndex t)
+{
+	assert(IsTileType(t, MP_STATION));
+	assert(_m[t].m5 > DOCK_BASE_WATER_PART);
+
+	return (DiagDirection)(_m[t].m5 - DOCK_BASE);
+}
+
+
+static inline bool IsCustomStationSprite(TileIndex t)
+{
+	return HASBIT(_m[t].m3, 4);
+}
+
+static inline void SetCustomStationSprite(TileIndex t, byte sprite)
+{
+	SETBIT(_m[t].m3, 4);
+	_m[t].m4 = sprite;
+}
+
+static inline uint GetCustomStationSprite(TileIndex t)
+{
+	return _m[t].m4;
+}
+
+
+static inline void MakeStation(TileIndex t, Owner o, StationID sid, byte m5)
+{
+	SetTileType(t, MP_STATION);
+	SetTileOwner(t, o);
+	_m[t].m2 = sid;
+	_m[t].m3 = 0;
+	_m[t].m4 = 0;
+	_m[t].m5 = m5;
+}
+
+static inline void MakeRailStation(TileIndex t, Owner o, StationID sid, Axis a, byte section, RailType rt)
+{
+	MakeStation(t, o, sid, section + a);
+	SetRailType(t, rt);
+}
+
+static inline void MakeRoadStop(TileIndex t, Owner o, StationID sid, RoadStopType rst, DiagDirection d)
+{
+	MakeStation(t, o, sid, (rst == RS_BUS ? BUS_BASE : TRUCK_BASE) + d);
+}
+
+static inline void MakeAirport(TileIndex t, Owner o, StationID sid, byte section)
+{
+	MakeStation(t, o, sid, section);
+}
+
+static inline void MakeBuoy(TileIndex t, StationID sid)
+{
+	MakeStation(t, OWNER_NONE, sid, BUOY_BASE);
+}
+
+static inline void MakeDock(TileIndex t, Owner o, StationID sid, DiagDirection d)
+{
+	MakeStation(t, o, sid, DOCK_BASE + d);
+	MakeStation(t + TileOffsByDir(d), o, sid, DOCK_BASE_WATER_PART + DiagDirToAxis(d));
+}
+
+static inline void MakeOilrig(TileIndex t, StationID sid)
+{
+	MakeStation(t, OWNER_NONE, sid, OILRIG_BASE);
+}
+
+#endif