1143 // determine the number of platforms for the station

  1144 uint GetStationPlatforms(const Station *st, TileIndex tile)

  1145 {

  1146 	TileIndex t;

  1147 	TileIndexDiff delta;

  1148 	Axis axis;

  1149 	uint len;

  1150 	assert(st->TileBelongsToRailStation(tile));

  1151 

  1152 	len = 0;

  1153 	axis = GetRailStationAxis(tile);

  1154 	delta = (axis == AXIS_X ? TileDiffXY(1, 0) : TileDiffXY(0, 1));

  1155 

  1156 	// find starting tile..

  1157 	t = tile;

  1158 	do {

  1159 		t -= delta;

  1160 		len++;

  1161 	} while (st->TileBelongsToRailStation(t) && GetRailStationAxis(t) == axis);

  1162 

  1163 	// find ending tile

  1164 	t = tile;

  1165 	do {

  1166 		t += delta;

  1167 		len++;

  1168 	} while (st->TileBelongsToRailStation(t) && GetRailStationAxis(t) == axis);

  1169 

  1170 	return len - 1;

  1171 }

  1172 

  1173 /** Determines the REMAINING length of a platform, starting at (and including)

  1174  * the given tile.

  1175  * @param tile the tile from which to start searching. Must be a railway station tile

  1176  * @param dir The direction in which to search.

  1177  * @return The platform length

  1178  */

  1179 uint GetPlatformLength(TileIndex tile, DiagDirection dir)

  1180 {

  1181 	TileIndex start_tile = tile;

  1182 	uint length = 0;

  1183 	assert(IsRailwayStationTile(tile));

  1184 	assert(dir < DIAGDIR_END);

  1185 

  1186 	do {

  1187 		length ++;

  1188 		tile += TileOffsByDiagDir(dir);

  1189 	} while (IsCompatibleTrainStationTile(tile, start_tile));

  1190 

  1191 	return length;

  1192 }

  1193