17 #include "sound_func.h"

    17 #include "sound_func.h"

    18 #include "window_func.h"

    18 #include "window_func.h"

    19 #include "variables.h"

    19 #include "variables.h"

    20 #include "viewport_func.h"

    20 #include "viewport_func.h"

    21 #include "gfx_func.h"

    21 #include "gfx_func.h"

    23 

    23 

    24 static byte _selected_airport_type;

    24 static byte _selected_airport_type;

    25 

    25 

    26 static void ShowBuildAirportPicker();

    26 static void ShowBuildAirportPicker();

    27 

    27