OpenBve.Renderer.RenderOverlays C# (CSharp) Méthode

        private static void RenderOverlays()
        {
            // initialize
            GL.Disable(EnableCap.DepthTest);
            GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
            GL.Enable(EnableCap.Blend);
            GL.MatrixMode(MatrixMode.Projection);
            GL.PushMatrix();
            GL.LoadIdentity();
            GL.Ortho(0.0, (double)ScreenWidth, 0.0, (double)ScreenHeight, -1.0, 1.0);
            GL.MatrixMode(MatrixMode.Modelview);
            GL.PushMatrix();
            GL.LoadIdentity();
            System.Globalization.CultureInfo Culture = System.Globalization.CultureInfo.InvariantCulture;
            // render
            if (OptionInterface)
            {
                if (ObjectManager.ObjectsUsed == 0 & ObjectManager.AnimatedWorldObjectsUsed == 0)
                {
                    string[][] Keys;
                    Keys = new string[][] { new string[] { "F7" }, new string[] { "F8" } };
                    RenderKeys(4.0, 4.0, 20.0, Keys);
                    RenderString(32.0, 4.0, Fonts.FontType.Small, "Open one or more objects", -1, 1.0f, 1.0f, 1.0f, true);
                    RenderString(32.0, 24.0, Fonts.FontType.Small, "Display the options window", -1, 1.0f, 1.0f, 1.0f, true);
                    RenderString((double)ScreenWidth - 8.0, (double)ScreenHeight - 20.0, Fonts.FontType.Small, "v" + System.Windows.Forms.Application.ProductVersion, 1, 1.0f, 1.0f, 1.0f, true);
                }
                else
                {
                    RenderString((double)0.5 * ScreenWidth - 88.0, 4.0, Fonts.FontType.Small, "Position: " + World.AbsoluteCameraPosition.X.ToString("0.00", Culture) + ", " + World.AbsoluteCameraPosition.Y.ToString("0.00", Culture) + ", " + World.AbsoluteCameraPosition.Z.ToString("0.00", Culture), -1, 1.0f, 1.0f, 1.0f, true);
                    string[][] Keys;
                    Keys = new string[][] { new string[] { "F5" }, new string[] { "F7" }, new string[] { "del" }, new string[] { "F8" } };
                    RenderKeys(4.0, 4.0, 24.0, Keys);
                    RenderString(32.0, 4.0, Fonts.FontType.Small, "Reload the currently open objects", -1, 1.0f, 1.0f, 1.0f, true);
                    RenderString(32.0, 24.0, Fonts.FontType.Small, "Open additional objects", -1, 1.0f, 1.0f, 1.0f, true);
                    RenderString(32.0, 44.0, Fonts.FontType.Small, "Clear currently open objects", -1, 1.0f, 1.0f, 1.0f, true);
                    RenderString(32.0, 64.0, Fonts.FontType.Small, "Display the options window", -1, 1.0f, 1.0f, 1.0f, true);
                    Keys = new string[][] { new string[] { "F" }, new string[] { "N" }, new string[] { "L" }, new string[] { "G" }, new string[] { "B" }, new string[] { "I" } };
                    RenderKeys((double)ScreenWidth - 20.0, 4.0, 16.0, Keys);
                    RenderString((double)ScreenWidth - 28.0, 4.0, Fonts.FontType.Small, "Wireframe: " + (Renderer.OptionWireframe ? "on" : "off"), 1, 1.0f, 1.0f, 1.0f, true);
                    RenderString((double)ScreenWidth - 28.0, 24.0, Fonts.FontType.Small, "Normals: " + (Renderer.OptionNormals ? "on" : "off"), 1, 1.0f, 1.0f, 1.0f, true);
                    RenderString((double)ScreenWidth - 28.0, 44.0, Fonts.FontType.Small, "Lighting: " + (Program.LightingTarget == 0 ? "night" : "day"), 1, 1.0f, 1.0f, 1.0f, true);
                    RenderString((double)ScreenWidth - 28.0, 64.0, Fonts.FontType.Small, "Grid: " + (Renderer.OptionCoordinateSystem ? "on" : "off"), 1, 1.0f, 1.0f, 1.0f, true);
                    RenderString((double)ScreenWidth - 28.0, 84.0, Fonts.FontType.Small, "Background: " + GetBackgroundColorName(), 1, 1.0f, 1.0f, 1.0f, true);
                    RenderString((double)ScreenWidth - 28.0, 104.0, Fonts.FontType.Small, "Hide interface", 1, 1.0f, 1.0f, 1.0f, true);
                    Keys = new string[][] { new string[] { null, "W", null }, new string[] { "A", "S", "D" } };
                    RenderKeys(4.0, (double)ScreenHeight - 40.0, 16.0, Keys);
                    Keys = new string[][] { new string[] { null, "↑", null }, new string[] { "←", "↓", "→" } };
                    RenderKeys(0.5 * (double)ScreenWidth - 28.0, (double)ScreenHeight - 40.0, 16.0, Keys);
                    Keys = new string[][] { new string[] { null, "8", "9" }, new string[] { "4", "5", "6" }, new string[] { null, "2", "3" } };
                    RenderKeys((double)ScreenWidth - 60.0, (double)ScreenHeight - 60.0, 16.0, Keys);
                    if (Interface.MessageCount == 1)
                    {
                        Keys = new string[][] { new string[] { "F9" } };
                        RenderKeys(4.0, 92.0, 20.0, Keys);
                        RenderString(32.0, 92.0, Fonts.FontType.Small, "Display the 1 message recently generated.", -1, 1.0f, 0.5f, 0.5f, true);
                    }
                    else if (Interface.MessageCount > 1)
                    {
                        Keys = new string[][] { new string[] { "F9" } };
                        RenderKeys(4.0, 92.0, 20.0, Keys);
                        RenderString(32.0, 92.0, Fonts.FontType.Small, "Display the " + Interface.MessageCount.ToString(Culture) + " messages recently generated.", -1, 1.0f, 0.5f, 0.5f, true);
                    }
                }
            }
            // finalize
            GL.PopMatrix();
            GL.MatrixMode(MatrixMode.Projection);
            GL.PopMatrix();
            GL.MatrixMode(MatrixMode.Modelview);
            GL.Disable(EnableCap.Blend);
            GL.Enable(EnableCap.DepthTest);
        }