topical media & game development
game-xna-intro-XnaShooterUIProject-GameScreens-MainMenu.cs / cs
// Project: XnaGraphicEngine, File: MainMenu.cs
// Namespace: XnaGraphicEngine.GameScreens, Class: MainMenu
// Path: C:\code\XnaBook\XnaGraphicEngine\GameScreens, Author: Abi
// Code lines: 216, Size of file: 6,13 KB
// Creation date: 04.12.2006 22:43
// Last modified: 07.12.2006 01:15
// Generated with Commenter by abi.exDream.com
#region Using directives
using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
using XnaGraphicEngine.Helpers;
using XnaGraphicEngine.Game;
using XnaGraphicEngine.Graphics;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Graphics;
using XnaGraphicEngine.Sounds;
#endregion
namespace XnaGraphicEngine.GameScreens
{
#region Button types
<summary>
Menu button types
</summary>
public enum MenuButton
{
Missions,
Highscore,
Credits,
//Options,
Exit,
// Back button, not used in main menu
Back,
} // enum MenuButtons
#endregion
<summary>
Main menu
</summary>
class MainMenu : IGameScreen
{
#region Properties
<summary>
Name of this game screen
</summary>
<returns>String
</returns>
public string Name
{
get
{
return "Main menu";
} // get
} // Name
private bool quit = false;
<summary>
Returns true if we want to quit this screen and return to the
previous screen. If no more screens are left the game is exited.
</summary>
<returns>Bool
</returns>
public bool Quit
{
get
{
return quit;
} // get
} // Quit
<summary>
Reset camera when starting.
</summary>
public bool resetCamera = true;
#endregion
#region Constructor
<summary>
Create main menu
</summary>
public MainMenu()
{
//TextureFont = new TextureFont("Arial", 10);
} // MainMenu()
#endregion
#region Run
<summary>
Button locations
</summary>
Point[] buttonLocations = new Point[]
{
new Point(180, 280),
new Point(180, 340),
new Point(180, 400),
new Point(180, 460),
};
<summary>
Input selection for xbox controller. Initially not set.
Press up/down joystick for changing.
</summary>
int xInputMenuSelection = 0;// -1;
<summary>
Select menu item for Input
</summary>
void SelectMenuItemForXInput()
{
Sound.Play(
Sound.Sounds.Highlight);
if (xInputMenuSelection >= 0 &&
xInputMenuSelection < buttonLocations.Length)
Input.MousePos = new Point(
(buttonLocations
[xInputMenuSelection].X + 100) *
BaseGame.Width / 1024,
(buttonLocations
[xInputMenuSelection].Y + 38) *
BaseGame.Height / 768);
} // SelectMenuItemForXInput()
<summary>
Run game screen. Called each frame.
</summary>
<param name="game">Form for access to asteroid manager and co
</param>
public void Run(YourGame game)
{
if (xInputMenuSelection < 0)
{
xInputMenuSelection = 0;
SelectMenuItemForXInput();
} // if
if (resetCamera)
{
resetCamera = false;
YourGame.camera.SetPosition(Vector3.Zero);
xInputMenuSelection = 0;
} // if
// Render background
game.RenderMenuBackground();
// Show all buttons
int buttonNum = 0;
MenuButton[] menuButtons = new MenuButton[]
{
MenuButton.Missions,
MenuButton.Highscore,
MenuButton.Credits,
MenuButton.Exit,
MenuButton.Back,
};
foreach (MenuButton button in menuButtons)
//EnumHelper.GetEnumerator(typeof(MenuButton)))
// Don't render the back button
if (button != MenuButton.Back)
{
if (game.RenderMenuButton(button, buttonLocations[buttonNum]))
{
if (button == MenuButton.Missions)
game.AddGameScreen(new Mission());
else if (button == MenuButton.Highscore)
game.AddGameScreen(new Highscores());
else if (button == MenuButton.Credits)
game.AddGameScreen(new Credits());
else if (button == MenuButton.Exit)
quit = true;
} // if
buttonNum++;
if (buttonNum >= buttonLocations.Length)
break;
} // if
// Hotkeys, M=Mission, H=Highscores, C=Credits, Esc=Quit
if (Input.KeyboardKeyJustPressed(Keys.M))
game.AddGameScreen(new Mission());
else if (Input.KeyboardKeyJustPressed(Keys.H))
game.AddGameScreen(new Highscores());
else if (Input.KeyboardKeyJustPressed(Keys.C))
game.AddGameScreen(new Credits());
else if (Input.KeyboardEscapeJustPressed ||
Input.GamePadBackJustPressed)
quit = true;
// If pressing XBox controller up/down change selection
if (Input.GamePadDownJustPressed)
{
xInputMenuSelection =
(xInputMenuSelection + 1) % buttonLocations.Length;
SelectMenuItemForXInput();
} // if (Input.GamePad)
else if (Input.GamePadUpJustPressed)
{
if (xInputMenuSelection <= 0)
xInputMenuSelection = buttonLocations.Length;
xInputMenuSelection--;
SelectMenuItemForXInput();
} // if (Input.GamePad)
} // Run(game)
#endregion
} // class MainMenu
} // namespace XnaGraphicEngine.GameScreens
(C) Æliens
20/2/2008
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.
