150 lines
4.3 KiB
C#
150 lines
4.3 KiB
C#
#region File Description
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//-----------------------------------------------------------------------------
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// OptionsMenuScreen.cs
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//
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// Microsoft XNA Community Game Platform
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// Copyright (C) Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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#endregion
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#region Using Statements
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using Microsoft.Xna.Framework;
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#endregion
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namespace GameStateManagement
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{
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/// <summary>
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/// The options screen is brought up over the top of the main menu
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/// screen, and gives the user a chance to configure the game
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/// in various hopefully useful ways.
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/// </summary>
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class OptionsMenuScreen : MenuScreen
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{
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#region Fields
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MenuEntry ungulateMenuEntry;
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MenuEntry languageMenuEntry;
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MenuEntry frobnicateMenuEntry;
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MenuEntry elfMenuEntry;
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enum Ungulate
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{
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BactrianCamel,
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Dromedary,
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Llama,
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}
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static Ungulate currentUngulate = Ungulate.Dromedary;
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static string[] languages = { "C#", "French", "Deoxyribonucleic acid" };
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static int currentLanguage = 0;
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static bool frobnicate = true;
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static int elf = 23;
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#endregion
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#region Initialization
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/// <summary>
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/// Constructor.
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/// </summary>
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public OptionsMenuScreen()
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: base("Options")
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{
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// Create our menu entries.
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ungulateMenuEntry = new MenuEntry(string.Empty);
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languageMenuEntry = new MenuEntry(string.Empty);
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frobnicateMenuEntry = new MenuEntry(string.Empty);
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elfMenuEntry = new MenuEntry(string.Empty);
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SetMenuEntryText();
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MenuEntry back = new MenuEntry("Back");
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// Hook up menu event handlers.
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ungulateMenuEntry.Selected += UngulateMenuEntrySelected;
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languageMenuEntry.Selected += LanguageMenuEntrySelected;
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frobnicateMenuEntry.Selected += FrobnicateMenuEntrySelected;
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elfMenuEntry.Selected += ElfMenuEntrySelected;
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back.Selected += OnCancel;
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// Add entries to the menu.
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MenuEntries.Add(ungulateMenuEntry);
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MenuEntries.Add(languageMenuEntry);
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MenuEntries.Add(frobnicateMenuEntry);
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MenuEntries.Add(elfMenuEntry);
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MenuEntries.Add(back);
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}
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/// <summary>
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/// Fills in the latest values for the options screen menu text.
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/// </summary>
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void SetMenuEntryText()
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{
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ungulateMenuEntry.Text = "Preferred ungulate: " + currentUngulate;
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languageMenuEntry.Text = "Language: " + languages[currentLanguage];
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frobnicateMenuEntry.Text = "Frobnicate: " + (frobnicate ? "on" : "off");
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elfMenuEntry.Text = "elf: " + elf;
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}
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#endregion
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#region Handle Input
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/// <summary>
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/// Event handler for when the Ungulate menu entry is selected.
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/// </summary>
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void UngulateMenuEntrySelected(object sender, PlayerIndexEventArgs e)
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{
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currentUngulate++;
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if (currentUngulate > Ungulate.Llama)
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currentUngulate = 0;
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SetMenuEntryText();
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}
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/// <summary>
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/// Event handler for when the Language menu entry is selected.
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/// </summary>
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void LanguageMenuEntrySelected(object sender, PlayerIndexEventArgs e)
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{
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currentLanguage = (currentLanguage + 1) % languages.Length;
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SetMenuEntryText();
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}
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/// <summary>
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/// Event handler for when the Frobnicate menu entry is selected.
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/// </summary>
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void FrobnicateMenuEntrySelected(object sender, PlayerIndexEventArgs e)
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{
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frobnicate = !frobnicate;
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SetMenuEntryText();
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}
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/// <summary>
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/// Event handler for when the Elf menu entry is selected.
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/// </summary>
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void ElfMenuEntrySelected(object sender, PlayerIndexEventArgs e)
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{
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elf++;
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SetMenuEntryText();
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}
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#endregion
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}
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}
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