128 	/**

   128 	/**

   129 	 * Build your company's HQ on the given tile.

   129 	 * Build your company's HQ on the given tile.

   130 	 * @param tile The tile to build your HQ on, this tile is the most nothern tile of your HQ.

   130 	 * @param tile The tile to build your HQ on, this tile is the most nothern tile of your HQ.

   131 	 * @pre AIMap::IsValidTile(tile).

   131 	 * @pre AIMap::IsValidTile(tile).

   132 	 * @exception AIError::ERR_AREA_NOT_CLEAR

   132 	 * @exception AIError::ERR_AREA_NOT_CLEAR

   133 	 * @return True if the HQ could be build.

   134 	 * @return True if the HQ could be build.

   134 	 * @note An HQ can not be removed, only by water or rebuilding; If an HQ is

   135 	 * @note An HQ can not be removed, only by water or rebuilding; If an HQ is

   135 	 *  build again, the old one is removed.

   136 	 *  build again, the old one is removed.

   136 	 */

   137 	 */

   137 	static bool BuildCompanyHQ(TileIndex tile);

   138 	static bool BuildCompanyHQ(TileIndex tile);