function EnableDiabloView(b)

    if not b then
        hook.Remove("CalcView", "diablo")
        hook.Remove("ShouldDrawLocalPlayer", "diablo")
        hook.Remove("CreateMove", "diablo")
        hook.Remove("PreDrawOpaqueRenderables", "diablo")

        if vgui.CursorVisible() then
            gui.EnableScreenClicker(false)
        end

        return
    end

    local params = {origin = Vector(), angles = Angle(), fov = 1}

    hook.Add("CalcView", "diablo", function(ply, pos, ang, fov)
        local size = ply:GetModelScale() or 1
        pos = ply:GetPos() + Vector(0, 0, size * 72)

        local origin = pos + Vector(1, 1, 1) * 500
        local dir = (pos - origin)

        params.origin = origin
        params.angles = dir:Angle()
        params.znear = 100
        params.zfar = 10000
        params.fov = 30

        local normal = Vector(0, 0, -1)
        local distance = normal:Dot(Vector(pos.x, pos.y, ply:GetPos().z + (72 * size)))

        render.EnableClipping(true)
        render.PushCustomClipPlane(normal, distance)

        return params
    end)

    hook.Add("CreateMove", "diablo", function(cmd)
        local ply = LocalPlayer()


        -- this tries to trace from the player to camera and then use the hitpos as origin
        -- but when the trace hits the aim angles become wrong

        --[[
        local pos = ply:EyePos()
        local origin = params.origin
        local data = util.TraceLine({start = pos, endpos = origin, filter = {ply}})

        if data.Hit then
            origin = data.HitPos
        end

        --local dir = util.AimVector(params.angles, params.fov, gui.MouseX(), gui.MouseY(), ScrW(), ScrH())
        local dir = pace.LPCameraScreenToVector(gui.MouseX(), gui.MouseY(), ScrW(), ScrH(), params.angles, math.rad(params.fov))

        pos = util.TraceLine({start = origin, endpos = origin + (dir * 32000)}).HitPos]]

        local dir = pace.LPCameraScreenToVector(gui.MouseX(), gui.MouseY(), ScrW(), ScrH(), params.angles, math.rad(params.fov))
        local pos = util.IntersectRayWithPlane(params.origin, dir * 32000, util.TraceLine({start = ply:GetPos(), endpos = ply:GetPos() + physenv.GetGravity() * 32000}).HitPos, Vector(0, 0, 1))

        gui.EnableScreenClicker(true)

        if pos then
            local angles = (pos - ply:EyePos()):Angle()

            if ply:KeyDown(IN_FORWARD) then
                angles.p = 0
            end

            if input.IsMouseDown(MOUSE_LEFT) then
                cmd:SetButtons(bit.bor(cmd:GetButtons(), IN_ATTACK))
            end

            if input.IsMouseDown(MOUSE_RIGHT) then
                cmd:SetButtons(bit.bor(cmd:GetButtons(), IN_ATTACK2))
            end

            cmd:SetViewAngles(angles)
        end
    end)

    hook.Add("PreDrawOpaqueRenderables", "diablo", function()
        render.PopCustomClipPlane()
        render.EnableClipping(false)
    end)

    hook.Add("ShouldDrawLocalPlayer", "diablo", function()
        return true
    end)
end