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Readme.txt

Orbital Ion Cannon 1.7.2
========================

Version 1.7.2 was released March 23, 2019, was tested using Factorio v0.17.17, and was authored by Supercheese, with contributions from emperorjimmy, badway, madmaxoft, bNarFProfCrazy, Danielv123, Yousei9, WPettersson, and Martok88.

Do you have a large, late-game megabase and wish there were more cool things you could build? Do you wish you could do more with the rockets you launch? Do you really hate biters? If so, then this mod is for you!
Build a giant ion cannon and launch it into orbit with a rocket, wait for it to charge up, and then you're ready to call down the thunder on those pesky aliens.
Simply click anywhere with your targeting device and watch the total annihilation ensue.
(If you've played the Command & Conquer series of games, you're bound to recognize many features similar to the GDI's Ion Cannons.)

You can click on the button added at the top of your screen (or use the hotkey, "I" by default) to check on the status of your ion cannons in orbit.

If you like, you can even automate the destruction of enemy nests by researching Auto-Targeting, which will utilize your radars to scan for enemy nests and automatically fire an ion cannon.

This mod is aware of Bob's mods and will update its recipes and technology requirements if Bob's Electronics, Tech, Warfare, and/or Power mods are installed.

This mod also has configuration options available through the in-game mod options menu (Options -> Mods). There you may adjust myriad parameters such as:

-The cooldown time for the ion cannons, their damage amounts and blast radii
-Select which announcer voice you want (Original C&C, Tiberian Sun EVA, or Tiberian Sun CABAL)
-Toggle the "Ion cannon ready" etc. voices and klaxon sounds on/off
-The time it takes between designating a target and the ion cannon firing
-Whether Auto-Targeting should target Worms in addition to Spawners
-Disable the intense flames caused by ion cannon blasts, removing the chance to cause wildfires.

... and more!


Modding Details:
----------------
This mod implements two custom events: on_ion_cannon_targeted & on_ion_cannon_fired, which can function just like other lua events (https://wiki.factorio.com/index.php?title=Lua/Events)
In order to use them in another mod, you should use the following code:

	script.on_event(remote.call("orbital_ion_cannon", "on_ion_cannon_targeted"), function(event)
		...
	end)

or

	script.on_event(remote.call("orbital_ion_cannon", "on_ion_cannon_fired"), function(event)
		...
	end)

Where the "..." can be any code of your choosing. The following variables are available when using these custom events:

	event.force				The force whose ion cannon is firing (only for the targeted event)
	event.surface			The surface on which the ion cannon is firing
	event.player_index		The player index of who fired the ion cannon (only if manually targeted by a player)
	event.position			The position at which the ion cannon is firing
	event.radius			The radius of the ion cannon blast


There is also a remote call that targets the ion cannon:

	remote.call("orbital_ion_cannon", "target_ion_cannon", force, position, surface, player)

You must supply a force, position, and surface, but the final argument -- player -- is optional; if you include it, some extra information can be messaged to the player. Calling this function will return true if the ion cannon is successfully targeted or false if targeting was unsuccessful.


Credits:
--------

The klaxon sound was obtained from: https://freesound.org/people/jobro/sounds/244113/
	It was uploaded by the user "jobro" under the CC-0 (Creative Commons 0) license. (See: http://creativecommons.org/publicdomain/zero/1.0/)

The explosion graphic was obtained from the Supreme Warfare mod, authored by SpeedyBrain (graphics by YuokiTani).

The "Ion Cannon Charging"/"Ion Cannon Deployed", "Ion Cannon Ready", and "Select Target" voices are from the "Command & Conquer" series of games by Westwood Studios, as are the Ion Cannon icons.
	Command and Conquer: Tiberian Dawn was released as freeware in 2007.
	Command and Conquer: Red Alert was released as freeware in 2008.
	Command and Conquer: Tiberian Sun was released as freeware in 2010.

The ion beam that the ion cannon fires was obtained from: http://opengameart.org/content/top-down-sci-fi-shooter-pack
	It was uploaded by the user Tatermand under the CC-BY-SA license.

The Ion Cannon Targeting Device icon was obtained from: http://opengameart.org/content/%E2%80%9Calien%E2%80%9D-crosshairs
	These were authored by Pyccna and submitted by the user Calinou, under the CC-BY License (https://creativecommons.org/licenses/by/3.0)

This mod makes use of the Factorio Standard Library by Afforess (https://github.com/Afforess/Factorio-Stdlib).

Several portions of the control.lua code (et al.) were inspired by code from the following mods:

	-Supreme Warfare by SpeedyBrain
	-YARM by Narc
	-EvoGUI by Narc
	-Blueprint String by DaveMcW
	-Test Mode by rk84
	-Smart Display by binbinhfr
	-Useful Space Industry and Solar Satellites by jorgenRe and CookieGamerTV, respectively.

My thanks to these talented modders for their great mods.

Thanks to the forum, Github, and #factorio IRC denizens for advice, code contributions, & bugtesting.


See also the associated forum thread to give feedback, view screenshots, etc.:

http://www.factorioforums.com/forum/viewtopic.php?f=93&t=17910
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