-- $Id: //depot/Projects/StarWars_Steam/FOC/Run/Data/Scripts/AI/LandMode/AI_Plan_ExpansionGeneric_GarrisonTarget.lua#1 $
--/////////////////////////////////////////////////////////////////////////////////////////////////
--
-- (C) Petroglyph Games, Inc.
--
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--/////////////////////////////////////////////////////////////////////////////////////////////////
-- C O N F I D E N T I A L   S O U R C E   C O D E -- D O   N O T   D I S T R I B U T E
--/////////////////////////////////////////////////////////////////////////////////////////////////
--
--              $File: //depot/Projects/StarWars_Steam/FOC/Run/Data/Scripts/AI/LandMode/AI_Plan_ExpansionGeneric_GarrisonTarget.lua $
--
--    Original Author: James Yarrow
--
--            $Author: Brian_Hayes $
--
--            $Change: 637819 $
--
--          $DateTime: 2017/03/22 10:16:16 $
--
--          $Revision: #1 $
--
--/////////////////////////////////////////////////////////////////////////////////////////////////

require("pgevents")

function Definitions()

	Category = "Garrison_Bunker | Garrison_Transport"
	IgnoreTarget = true
	TaskForce = 
	{
		{
			"MainForce"
			,"Infantry = 1,5"
			,"-Vornskr_Wolf"
		}
	}

	AllowEngagedUnits = false

end

function MainForce_Thread()

	BlockOnCommand(MainForce.Produce_Force())
	QuickReinforce(PlayerObject, AITarget, MainForce, nil)
	
	if not MainForce.Can_Garrison(AITarget) then
		ScriptExit()
	end
	
	MainForce.Activate_Ability("SPREAD_OUT", false)	
	
	difficulty = PlayerObject.Get_Difficulty()
	if difficulty == "Easy" then
		BlockOnCommand(MainForce.Attack_Move(Target.Get_Position(), MainForce.Get_Self_Threat_Max()))
	else
		BlockOnCommand(MainForce.Move_To(Target.Get_Position(), MainForce.Get_Self_Threat_Max()))
	end
		
	Sleep(5)

	ScriptExit()
	
end

-- Override default handling, which will kill the plan
function MainForce_Original_Target_Owner_Changed(tf, old_player, new_player)

	--If someone else captures the bunker then I need to assault it with anti-structure
	--units rather than capture it with infantry
	if new_player ~= PlayerObject and new_player.Is_Neutral() == false then
		ScriptExit()
	end

end

function MainForce_Unit_Move_Finished(tf, unit)

	MainForce.Set_Plan_Result(true)
	Create_Thread("Finalize_Garrison", unit)
	
end

function Finalize_Garrison(unit)

	unit.Guard_Target(Target)
	while TestValid(Target) and (not Target.Has_Garrison()) and (Target.Get_Owner() ~= PlayerObject) do
		Sleep(2)
		unit.Guard_Target(Target)
	end	

	if TestValid(Target) and unit.Can_Garrison(Target) then
		unit.Garrison(Target)
	end
	
	MainForce.Release_Unit(unit)

end