-- Overrides of base functions and custom code go here

-- Adds scope texture when aiming
if CLIENT then
   local scope = surface.GetTextureID("sprites/scope")
   function SWEP:DrawHUD()
      if self:GetIronsights() then
         surface.SetDrawColor( 0, 0, 0, 255 )
         
         local scrW = ScrW()
         local scrH = ScrH()

         local x = scrW / 2.0
         local y = scrH / 2.0
         local scope_size = scrH

         -- crosshair
         local gap = 80
         local length = scope_size
         surface.DrawLine( x - length, y, x - gap, y )
         surface.DrawLine( x + length, y, x + gap, y )
         surface.DrawLine( x, y - length, x, y - gap )
         surface.DrawLine( x, y + length, x, y + gap )

         gap = 0
         length = 50
         surface.DrawLine( x - length, y, x - gap, y )
         surface.DrawLine( x + length, y, x + gap, y )
         surface.DrawLine( x, y - length, x, y - gap )
         surface.DrawLine( x, y + length, x, y + gap )


         -- cover edges
         local sh = scope_size / 2
         local w = (x - sh) + 2
         surface.DrawRect(0, 0, w, scope_size)
         surface.DrawRect(x + sh - 2, 0, w, scope_size)
         
         -- cover gaps on top and bottom of screen
         surface.DrawLine( 0, 0, scrW, 0 )
         surface.DrawLine( 0, scrH - 1, scrW, scrH - 1 )

         surface.SetDrawColor(255, 0, 0, 255)
         surface.DrawLine(x, y, x + 1, y + 1)

         -- scope
         surface.SetTexture(scope)
         surface.SetDrawColor(255, 255, 255, 255)

         surface.DrawTexturedRectRotated(x, y, scope_size, scope_size, 0)
      else
         return self.BaseClass.DrawHUD(self)
      end
   end
   function SWEP:AdjustMouseSensitivity()
      return (self:GetIronsights() and 0.2) or nil
   end
end