Initial options screen

EvilSatellites/Screens/GameScreen.cs

@@ -223,6 +223,18 @@ namespace EvilSatellites.Screens
             {
                 DavyKager.Tolk.Output(Objects.Count.ToString());
             }
+            if (Input.IsJustPressed(Keys.PageUp))
+            {
+                Manager.Music.Volume = Manager.Music.Volume + 0.05f;
+            }
+            if (Input.IsJustPressed(Keys.PageDown))
+            {
+                Manager.Music.Volume = Manager.Music.Volume - 0.05f;
+            }
+            if (Input.IsJustPressed(Keys.Escape))
+            {
+                EndGame();
+            }
         }
 
         private void CheckCollisions()

EvilSatellites/Screens/MainMenuScreen.cs

@@ -15,20 +15,29 @@ namespace EvilSatellites.Screens
 
             MenuOptions = new MenuContainer("Main Menu", "Navigate with up and down arrows,, and enter to select.");
             MenuOptions.Add(new MenuEntry("Start", "Start the game"))
-                .Add(new MenuEntry("Exit", "Exit the game"))
-                .Add(new MenuEntry("Something Else", "Do something else"));
+                .Add(new MenuEntry("Options", "Change game options"))
+                .Add(new MenuEntry("Exit", "Exit the game"));
             base.Activate();
         }
 
         public override void SelectItem()
         {
-            Manager.Sound.PlayOneshot(@"sfx/ui/menuChoose.wav");
+            base.SelectItem();
             if (CursorPosition == 0)
             {
                 Manager.AddScreen(new GameScreen());
                 Manager.RemoveScreen(this);
                 Manager.Game.ResetElapsedTime();
             }
+            if (CursorPosition == 2)
+            {
+                Environment.Exit(0);
+            }
+            if (CursorPosition == 1)
+            {
+                Manager.RemoveScreen(this);
+                Manager.AddScreen(new OptionsScreen());
+            }
         }
     }
 }

EvilSatellites/Screens/MenuScreen.cs

@@ -96,6 +96,7 @@ namespace EvilSatellites.Screens
 
         public virtual void SelectItem()
         {
+            Manager.Sound.PlayOneshot(@"sfx/ui/menuChoose.wav");
             return;
         }
     }

EvilSatellites/Screens/OptionsScreen.cs

@@ -0,0 +1,77 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using EvilSatellites.Menu;
+using DavyKager;
+
+namespace EvilSatellites.Screens
+{
+    public class OptionsScreen : MenuScreen
+    {
+        public override void Activate()
+        {
+            MenuOptions = new MenuContainer("Options", "Set global options for the game.");
+            MenuOptions.Add(new MenuEntry("Music Volume", "Toggle between music volumes"))
+            .Add(new MenuEntry("Use screen reader", "Use screen reader speech instead of SAPI"))
+            .Add(new MenuEntry("Back", "Go Back to previous screen"));
+            base.Activate();
+        }
+
+        public override void SelectItem()
+        {
+            base.SelectItem();
+            if (CursorPosition == 0)
+            {
+                ChangeVolume();
+            }
+            if (CursorPosition == 1)
+            {
+                ChangeSpeech();
+            }
+            if (CursorPosition == 2)
+            {
+                Manager.RemoveScreen(this);
+                Manager.AddScreen(new MainMenuScreen());
+            }
+        }
+
+        public void ChangeSpeech()
+        {
+            if (GameSettings.PreferSAPI)
+            {
+                Tolk.PreferSAPI(false);
+                Tolk.TrySAPI(false);
+                Tolk.Output("Prefering screen reader");
+            } else
+            {
+                Tolk.PreferSAPI(true);
+                Tolk.TrySAPI(true);
+                Tolk.Output("Prefering SAPI");
+            }
+        }
+
+        public void ChangeVolume()
+        {
+            Inputs.Update();
+            if (Manager.Music.Volume > 0.9)
+            {
+                Manager.Music.Volume = 0f;
+                return;
+            }
+            if (Manager.Music.Volume < 0)
+            {
+                Manager.Music.Volume = 1;
+            }
+            if (Inputs.IsPressed(Microsoft.Xna.Framework.Input.Keys.LeftShift))
+            {
+                Manager.Music.Volume = Manager.Music.Volume - 0.1f;
+            } else
+            {
+                Manager.Music.Volume = Manager.Music.Volume + 0.1f;
+            }
+
+        }
+    }
+}

EvilSatellites/Screens/StatsScreen.cs

@@ -19,10 +19,12 @@ namespace EvilSatellites.Screens
                 .Add(new MenuEntry("Satellite collisions: " + GameStats.SatelliteCollisions.ToString(), "How many satellites you crashed into"))
                 .Add(new MenuEntry("Total play time: " + GameStats.TotalPlayTime.ToString(), "How much time you spent on this run"))
                 .Add(new MenuEntry("OK", "Go back to main menu"));
+            base.Activate();
         }
 
         public override void SelectItem()
         {
+            base.SelectItem();
             if (CursorPosition == MenuOptions.Entries.Count-1)
             {
                 Manager.RemoveScreen(this);