-- LUA Script - precede every function and global member with lowercase name of script + '_main'
local U = require "scriptbank\\utillib"

local hitSprite = hitSprite or CreateSprite( LoadImage(  "gamecore\\crosshairs\\crosshair14.png" ))

SetSpritePosition( hitSprite, 250, 250 )
SetSpriteSize( hitSprite, -1, 10 )
SetSpriteOffset( hitSprite, -1, 5 )

function hit_marker_init( e )
end

local enemies = {}

local function getEnemies()
	-- first get a list of active entities within default activation range of player
	local elist = U.ClosestEntities( 3000, 20 )   -- 3000 units, closest 20 entities
	
	for _, v in pairs( elist ) do
		-- is the entity not already a known enemy?
		if enemies[ v ] == nil and
		   ai_bot_state[ v ] ~= nil then
			enemies[ v ] = { health = g_Entity[ v ].health }
		end
	end
end	
	
local function enemyHurt()
	for k, v in pairs( enemies ) do
		local Ent = g_Entity[ k ]
		if Ent ~= nil and
		   Ent.health < v.health then
			v.health = Ent.health
			return true
		end
	end
	return false
end

local timer1 = 0
local timer2 = 0

local showImage = false
local showTime  = 200

function hit_marker_main( e )
	local timeNow = g_Time
	
	if timeNow > timer1 then
		getEnemies()
		timer1 = timer1 + 1000
	end
	
	if g_PlayerGunFired == 1 then
		if enemyHurt() then
			showImage = true
			SetSpritePosition( hitSprite, 50, 50 )
			timer2 = timeNow + showTime
		end
	end
	
	if showImage and 
	   timeNow > timer2 then
	    SetSpritePosition( hitSprite, 250, 250 )
	    showImage = false
	end
	
end