FSO.Client.Utils.UITooltipHandler.Update C# (CSharp) Méthode

        private void Update(UpdateState state)
        {
            Vector2 pt = Target.GetMousePosition(state.MouseState);
            var pt2 = new Microsoft.Xna.Framework.Point((int)pt.X, (int)pt.Y);
            if (m_active)
            {
                if (m_fade < 1) m_fade += 0.1f;
                if (m_fade > 1) m_fade = 1;

                state.UIState.TooltipProperties.Show = true;
                state.UIState.TooltipProperties.Color = Color.Black;
                state.UIState.TooltipProperties.UpdateDead = false;
                state.UIState.TooltipProperties.Position = m_position;
                state.UIState.TooltipProperties.Opacity = m_fade;
                state.UIState.Tooltip = Target.Tooltip;
                /** fade in **/
                if (!Target.GetBounds().Contains(pt2) || !GameFacade.Focus || !Target.WillDraw())
                {
                    m_active = false;
                    state.UIState.TooltipProperties.Show = false;
                    state.UIState.TooltipProperties.Opacity = 0;
                    m_fade = 0;
                }
            }
            else
            {
                if (Target.GetBounds().Contains(pt2) && Target.Tooltip != null && Target.WillDraw() && GameFacade.Focus)
                {
                    m_active = true;
                    state.UIState.TooltipProperties.Show = true;
                    state.UIState.TooltipProperties.Color = Color.Black;
                    state.UIState.TooltipProperties.Opacity = 0;
                    state.UIState.TooltipProperties.UpdateDead = false;
                    state.UIState.Tooltip = Target.Tooltip;
                    m_fade = 0;

                    m_position = new Vector2(state.MouseState.X, Target.LocalPoint(new Vector2(0, 0)).Y); //at top of element
                }
            }
        }