Plane: climb directly to cruise altitude ignoring glide slope

[magate]

Add the ability for quadplanes to climb immediately to the cruise altitude as opposed to using the glide slope calculation.

Testing

Feature disabled under 35 m cutoff altitude

Feature enabled over 35 m cutoff altitude

Example of cruise altitude cutoff

[peterbarker]

Our existing FlightOptions bit, FlightOptions::IMMEDIATE_CLIMB_IN_AUTO isn't suitable for your purposes?

It's bit 14 here: https://ardupilot.org/plane/docs/parameters.html#flight-options-flight-mode-options

[magate]

Our existing FlightOptions bit, FlightOptions::IMMEDIATE_CLIMB_IN_AUTO isn't suitable for your purposes?

It's bit 14 here: https://ardupilot.org/plane/docs/parameters.html#flight-options-flight-mode-options

Flight options 14 will change the behavior for all climbs.

Looks very similar to GLIDE_SLOPE_MIN as well except glide_slope_min works both directions (climb and descent).

The PR I have here is just for VTOL Takeoff --> WP. All other waypoints still do the glide slope.

See below where flight options and glide slope min reach WP altitude prior to WP and level off (for both WPs. This PR only reaches WP altitude prior to the WP for the first WP after the VTOL Takeoff.

Flight options bit 14

Glide slope min zero

This PR Q_FR_CLMBOUT 1