(svn r15374) -Codechange: remove a magic constant.

src/road_cmd.cpp

@@ -27,6 +27,7 @@
 #include "functions.h"
 #include "effectvehicle_func.h"
 #include "elrail_func.h"
+#include "roadveh.h"
 
 #include "table/sprites.h"
 #include "table/strings.h"
@@ -1537,7 +1538,7 @@ static VehicleEnterTileStatus VehicleEnter_Road(Vehicle *v, TileIndex tile, int
 
 		case ROAD_TILE_DEPOT:
 			if (v->type == VEH_ROAD &&
-					v->u.road.frame == 11 &&
+					v->u.road.frame == RVC_DEPOT_STOP_FRAME &&
 					_roadveh_enter_depot_dir[GetRoadDepotDirection(tile)] == v->u.road.state) {
 				v->u.road.state = RVSB_IN_DEPOT;
 				v->vehstatus |= VS_HIDDEN;

src/roadveh.h

@@ -10,6 +10,26 @@
 #include "engine_base.h"
 #include "economy_func.h"
 
+/** State information about the Road Vehicle controller */
+enum {
+	RDE_NEXT_TILE = 0x80, ///< We should enter the next tile
+	RDE_TURNED    = 0x40, ///< We just finished turning
+
+	/* Start frames for when a vehicle enters a tile/changes its state.
+	 * The start frame is different for vehicles that turned around or
+	 * are leaving the depot as the do not start at the edge of the tile.
+	 * For trams there are a few different start frames as there are two
+	 * places where trams can turn. */
+	RVC_DEFAULT_START_FRAME                =  0,
+	RVC_TURN_AROUND_START_FRAME            =  1,
+	RVC_DEPOT_START_FRAME                  =  6,
+	RVC_START_FRAME_AFTER_LONG_TRAM        = 21,
+	RVC_TURN_AROUND_START_FRAME_SHORT_TRAM = 16,
+	/* Stop frame for a vehicle in a drive-through stop */
+	RVC_DRIVE_THROUGH_STOP_FRAME           =  7,
+	RVC_DEPOT_STOP_FRAME                   = 11,
+};
+
 enum RoadVehicleSubType {
 	RVST_FRONT,
 	RVST_ARTIC_PART,

src/roadveh_cmd.cpp

@@ -1202,24 +1202,6 @@ static uint RoadFindPathToStop(const Vehicle *v, TileIndex tile)
 	return dist;
 }
 
-enum {
-	RDE_NEXT_TILE = 0x80,
-	RDE_TURNED    = 0x40,
-
-	/* Start frames for when a vehicle enters a tile/changes its state.
-	 * The start frame is different for vehicles that turned around or
-	 * are leaving the depot as the do not start at the edge of the tile.
-	 * For trams there are a few different start frames as there are two
-	 * places where trams can turn. */
-	RVC_DEFAULT_START_FRAME                =  0,
-	RVC_TURN_AROUND_START_FRAME            =  1,
-	RVC_DEPOT_START_FRAME                  =  6,
-	RVC_START_FRAME_AFTER_LONG_TRAM        = 21,
-	RVC_TURN_AROUND_START_FRAME_SHORT_TRAM = 16,
-	/* Stop frame for a vehicle in a drive-through stop */
-	RVC_DRIVE_THROUGH_STOP_FRAME           =  7
-};
-
 struct RoadDriveEntry {
 	byte x, y;
 };