Planetfall OXP by Thargoid.

A little OXP which allows the Commander to land on planets and moons (but not suns, even at night), and there to trade. To achieve this just fly toward the body, although take care not to go too fast or else you risk burning up in the atmosphere of planets, and don't try and land before you've got landing permission from planetary control!

To land, your ship needs to be firstly equipped with heat shields and docking computers. Then at all reputable (and a few not so reputable) tech 9+ systems you can purchase planetary landing capabilities. These consist of some tweaks to your ship, plus all of the relevant permits, permissions and registrations with authorities to allow landing.

Once your ship is suitably equipped, landing is done by flying down towards the planet. Your systems will automatically make all the necessary requests, and once permission is granted then just fly down to the planet. 

Planetary take-off is via a launch booster, with control being returned to the Commander once orbital insertion is achieved.

This OXP requires a minimum of Oolite v1.77 to run, and will not work with 1.76.1 or lower.

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License:

This OXP is released under the Creative Commons Attribution - Non-Commercial - Share Alike 3.0 license with the following clauses:

* Whilst you are free (and encouraged) to re-use any of the scripting, models or texturing in this OXP, the usage must be distinct from that within this OXP. Unique identifiers such as (but not limited to) unique shipdata.plist entity keys, mission variables, script names (this.name), equipment identity strings (EQ_), description list arrays and entity roles must not be re-used without prior agreement. Basically if it's unique or would identify or overwrite anything in the original OXP, then you may not re-use it (for obvious compatibility reasons).
* rebundling of this OXP within another distribution is permitted as long as it is unchanged. The following derivates however are permitted and except from the above:
	* the conversion of files between XML and openStep.
	* the merging of files with other files of the same type from other OXPs.
* The license information (either as this file or merged into a larger one) must be included in the OXP.
* Even though it is not compulsory, if you are re-using any sizable or recognisable piece of this OXP, please let me know :)

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Instructions:

Unzip the file, and then move the folder "PlanetFall 1.51.oxp" to the AddOns directory of your Oolite installation. Then start the game up and the capability should be there for purchase as detailed above. 

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https://www.freepik.com/free-photo/empty-dark-room-modern-futuristic-sci-fi-background-3d-illustration_20850610.htm Image by user6702303 on Freepik
https://www.freepik.com/free-photo/empty-dark-room-modern-futuristic-sci-fi-background-3d-illustration_21988050.htm Image by user6702303 on Freepik
https://www.freepik.com/free-photo/empty-dark-room-modern-futuristic-sci-fi-background-3d-illustration_23326348.htm Image by user6702303 on Freepik
https://www.freepik.com/free-photo/empty-dark-room-modern-futuristic-sci-fi-background-3d-illustration_21988072.htm Image by user6702303 on Freepik
https://www.freepik.com/free-photo/empty-dark-room-modern-futuristic-sci-fi-background-3d-illustration_23326337.htm Image by user6702303 on Freepik
https://www.freepik.com/free-photo/empty-dark-room-modern-futuristic-sci-fi-background-3d-illustration_21835246.htm Image by user6702303 on Freepik

https://www.freepik.com/free-photo/blue-sky-with-scattered-white-clouds_12110221.htm Freepik
https://www.freepik.com/free-photo/beautiful-skyscape-during-daytime_22542965.htm Freepik
https://www.freepik.com/free-photo/cloudy-sky-daylight-background_19380968.htm Freepik
https://www.freepik.com/free-photo/beautiful-skyscape-during-daytime_22543011.htm Freepik
https://www.freepik.com/free-photo/blue-sky-with-cloud-closeup_6133056.htm Image by photogenia on Freepik
https://www.freepik.com/free-photo/beautiful-skyscape-during-daytime_22542943.htm Freepik

Version History:

30/11/2008 - Version 1.00, Initial release.
19/12/2008 - Version 1.09 Beta, upgraded test release.
04/01/2009 - Version 1.1, full release.
06/01/2009 - Version 1.11, bugfix release.
19/01/2009 - Version 1.12, bugfix, plus external OXP override option
27/08/2009 - Version 1.2, compatibility with v1.73
09/09/2009 - Version 1.21, script tweak to stop planet-splatting when using v1.73 (thanks to Eric, A_C and Kaks for helping look into this one).
29/09/2009 - Version 1.22, further script tweaking to stop the planet-splat. This time by re-orienting the temporary station.
01/10/2009 - Version 1.23, commodities.plist units problem fix.
15/04/2010 - Version 1.30, update for v1.74. Now incompatible with lower versions of Oolite. Also added compatibility for own property .isGasGiant, for System Redux 2.0 usage.
13/02/2011 - Version 1.40, removal of upper limit to enable 1.75 usage. Also some script update to add ownProperties .PFNoLand and PFNoLandQuiet for other OXPs to use to stop landing on added planetary objects (e.g. Tionisla Pulsar).
20/02/2011 - Version 1.41, script tweaking to make no landing more accessible and robust
05/08/2012 - Version 1.50, some script modifications for better compatibility with other OXPs, plus some changes to this documentation (see the developers read-me for more details).
08/01/2013 - Version 1.51, update for v1.77 (incompatible with lower versions). Changed station model due to new docking trunk code, and added landing effect in collaboration with Svengali.

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Acknowledgements:

With thanks to:
* Lestradae for the discussions in getting the concept correct and for the original inspiration.
* Eric Walch for the ship orientation script code (from his script from Anarchies OXP) and various discussions.
* LittleBear for assistance in getting the interaction with Random Hits for the Seedy Bars working and for letting me add them to the surface locations.
* Frame for the code snippets borrowed from Save Anywhere for the temporary station (how to land in a barrel!).
* PAGroove for the landing equipment script glitch bug catch!
* Svengali for inspiration and co-work on the landing effect, and production of some of the images (some moon images are from NASA).