-- LUA Script - precede every function and global member with lowercase name of script + '_main'

-- Important!  This global variable is required to tell helicopter.lua we are using the call
-- mechanism
g_callMechanismActive = true

local triggered = {}
local numHelis = 0

function helicopter_call_init(e)
	triggered[e] = false
end		

local function CloserThan(x,z,dist)
	local dX, dZ = x - g_PlayerPosX, z - g_PlayerPosZ
	
	return (dX*dX + dZ*dZ) < (dist * dist)
end

function helicopter_call_main(e)
	
	if not triggered[e] then
		local Ent = g_Entity[e]
		
		if CallHelicopters ~= nil and CloserThan(Ent.x, Ent.z, 200) then
	
			numHelis = CallHelicopters(4, 'friendly', 400)
			
			numHelis = numHelis + CallHelicopters(1, 'neutral', 30)
			
			triggered[e] = true	
		end
	end
	
	Prompt(numHelis)
end