local textures = {}; 
local cross = false

local function render_crosshair()
	local screenw,screenh = guiGetScreenSize (); 
	local s = screenw * 0.5; 
	local u,v = (screenw - s)*0.5, (screenh - s)*0.5;
	local black = tocolor (0, 0, 0, 255);
	dxDrawRectangle (0, 0, screenw, v, black);
	dxDrawRectangle (0, 0, u, screenh, black);
	dxDrawRectangle (0, screenh, screenw, -v, black);
	dxDrawRectangle (screenw, screenh, -u, -screenh, black);
	dxDrawImage (u, v, screenw-2*u, screenh-2*v, textures ["crosshair_background"]);
	if cross == "DMR" then
	    dxDrawImage (u, v, screenw-2*u, screenh-2*v, textures ["cross_dmr"]);
	elseif cross == "AS50" then
	    dxDrawImage (u, v, screenw-2*u, screenh-2*v, textures ["cross_as50"]);
	elseif cross == "VSS" then
	    dxDrawImage (u, v, screenw-2*u, screenh-2*v, textures ["cross_vss"]);
	elseif cross == "VSSK" then
	    dxDrawImage (u, v, screenw-2*u, screenh-2*v, textures ["cross_vss"]);
	elseif cross == "M107" then
	    dxDrawImage (u, v, screenw-2*u, screenh-2*v, textures ["cross_as50"]);	
	elseif cross == "M2000 CheyTac" then
	    dxDrawImage (u, v, screenw-2*u, screenh-2*v, textures ["cross_as50"]);			
	end
end;


local function on_weapon_aimed (key, state)
	local weapon_sniper_rifle = 34; 
	if getPedWeapon (getLocalPlayer ()) == weapon_sniper_rifle then 
		if state == "down" then 
		cross = getElementData(getLocalPlayer(),"currentweapon_1")
			setPlayerHudComponentVisible ("crosshair", false);
			addEventHandler ("onClientHUDRender", getRootElement (), render_crosshair);
		else 
		cross = false
			removeEventHandler ("onClientHUDRender", getRootElement (), render_crosshair); 
		end;
	end;
end; 

addEventHandler ("onClientResourceStart", getResourceRootElement (getThisResource ()),
	function () 
	textures ["crosshair_background"] = dxCreateTexture ("images/crosshairs/crossBackground1.png", "argb", true, "wrap")
	textures ["cross_dmr"] = dxCreateTexture ("images/crosshairs/aim_dmr.png", "argb", true, "wrap"); 
	textures ["cross_as50"] = dxCreateTexture ("images/crosshairs/aim_as50.png", "argb", true, "wrap"); 
	textures ["cross_vss"] = dxCreateTexture ("images/crosshairs/aim_vss.png", "argb", true, "wrap"); 

		bindKey ("aim_weapon", "both", on_weapon_aimed);
		addEventHandler ("onClientPlayerWeaponSwitch", getRootElement (),
			function (previousWeaponSlot)
				local weaponslot_type_sniper = 6; 
				if previousWeaponSlot == weaponslot_type_sniper then 
					if not isPlayerHudComponentVisible ("crosshair") then 
						setPlayerHudComponentVisible ("crosshair", true);
					end;
				end; 
			end);
	end); 
	
addEventHandler ("onClientResourceStop", getResourceRootElement (getThisResource ()),
	function ()
		unbindKey ("aim_weapon", "both", on_weapon_aimed); 
		if not isPlayerHudComponentVisible ("crosshair") then
			setPlayerHudComponentVisible ("crosshair", true);
		end;
	end);