protected override void LoadContent()
{
Fonts.LoadFonts(Content, "Fonts.xml");
Sounds.LoadSounds(Content, "Sounds.xml");
// Load Game Content
startingSpriteBatch = new SpriteBatch(this.graphics.GraphicsDevice);
// Get Screen Size
int screenWidth = this.Window.ClientBounds.Width;
int screenHeight = this.Window.ClientBounds.Height;
// Load Control Content
TextPickerControl.LoadContent(Content);
// Load Screen Content
SplashScreen.LoadContent(Content);
SetupScreen.LoadContent(Content);
InstructionsScreen.LoadContent(Content);
GameOverScreen.LoadContent(Content);
LoadScreens();
// Load Subsystem Contents
SurvivorSubsystem.LoadContent(Content);
ZombiesSubsystem.LoadContent(Content);
CollectablesSubsystem.LoadContent(Content);
AchievmentsSubsystem.LoadContent(Content);
// Load Entity Contents
HUD.LoadContent(Content, screenWidth, screenHeight);
String saveFilePath = Path.Combine(System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "save.sav");
if (File.Exists(saveFilePath))
{
FileStream fileStream = File.OpenRead(saveFilePath);
XmlSerializer fileSerializer = new XmlSerializer(typeof(GameSaveStruct));
GameSaveStruct gameSaveStruct = (GameSaveStruct)fileSerializer.Deserialize(fileStream);
fileStream.Close();
File.Delete(saveFilePath);
GameState = GameState.Playing;
this.StartPlayingSavedGame(gameSaveStruct);
}
else
{
ResetToStarting(true);
}
base.LoadContent();
}
private GameSaveStruct GetGameSaveStruct()
{
GameSaveStruct gameSaveStruct = new GameSaveStruct()
{
PlayerOneSurvivorSprite = SurvivorSubsystem.PlayerOneSurvivorSprite.SaveStruct,
ZombieSprites = ZombiesSubsystem.ZombieSaveStructs(),
Collectables = CollectablesSubsystem.CollectableSaveStructs(),
Options = Options.OptionsSaveStruct,
Stats = Results.StatsSaveStruct,
Achievments = AchievmentsSubsystem.AchievmentsSaveStruct,
WaveTimer = ZombiesSubsystem.WaveTimer
};
return(gameSaveStruct);
}
private void UpdatePlaying(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || oldKeyboardState.IsKeyDown(Keys.Escape))
{
this.SaveGame();
this.gameWillQuit = true;
}
if ((GamePad.GetState(PlayerIndex.One).Buttons.Start != oldGamePadState.Buttons.Start && GamePad.GetState(PlayerIndex.One).Buttons.Start == ButtonState.Pressed) || (Keyboard.GetState().IsKeyDown(Keys.Delete) && oldKeyboardState.IsKeyUp(Keys.Delete)))
{
SurvivorSubsystem.PlayerOneSurvivorSprite.GameOver();
this.ResetToGameOver(Results, Options);
}
if (!GamePaused)
{
if ((GamePad.GetState(PlayerIndex.One).Buttons.Y != oldGamePadState.Buttons.Y && GamePad.GetState(PlayerIndex.One).Buttons.Y == ButtonState.Pressed) || (Keyboard.GetState().IsKeyDown(Keys.P) && oldKeyboardState.IsKeyUp(Keys.P)))
{
this.GamePaused = true;
}
Results.SurvivalTime += gameTime.ElapsedGameTime.TotalSeconds;
SurvivorSubsystem.Update(gameTime);
ZombiesSubsystem.Update(gameTime);
CollectablesSubsystem.Update(gameTime);
AchievmentsSubsystem.Update(gameTime);
// Check for Game Over
if (SurvivorSubsystem.PlayerOneSurvivorSprite.CurrentHealth <= 0.0f)
{
SurvivorSubsystem.PlayerOneSurvivorSprite.GameOver();
this.ResetToGameOver(Results, Options);
}
}
else if (GamePaused)
{
if ((GamePad.GetState(PlayerIndex.One).Buttons.Y != oldGamePadState.Buttons.Y && GamePad.GetState(PlayerIndex.One).Buttons.Y == ButtonState.Pressed) || (Keyboard.GetState().IsKeyDown(Keys.P) && oldKeyboardState.IsKeyUp(Keys.P)))
{
this.GamePaused = false;
}
}
// Update HUD
HUD.Update(gameTime, Results);
}
private void StartPlayingSavedGame(GameSaveStruct saveStruct)
{
this.Options = new GameOptions(saveStruct.Options);
this.StartPlayingGame();
SurvivorSubsystem.AddPlayerOneSurvivorSprite(new SurvivorSprite(this, saveStruct.PlayerOneSurvivorSprite));
foreach (ZombieSpriteSaveStruct zombieSpriteSaveStruct in saveStruct.ZombieSprites)
{
ZombieSprite zombieSprite = new ZombieSprite(this, zombieSpriteSaveStruct);
ZombiesSubsystem.AddZombieSprite(zombieSprite);
}
foreach (CollectableSaveStruct collectableSaveStruct in saveStruct.Collectables)
{
CollectablesSubsystem.AddCollectable(new Collectable(this, collectableSaveStruct));
switch (collectableSaveStruct.CollectableEntityType)
{
case CollectableEntityType.Health: CollectablesSubsystem.HealthCollectablesSpawned++; break;
case CollectableEntityType.Gasoline: CollectablesSubsystem.GasolineCollectablesSpawned++; break;
case CollectableEntityType.PistolAmmo: CollectablesSubsystem.PistolAmmoCollectablesSpawned++; break;
case CollectableEntityType.ShotgunAmmo: CollectablesSubsystem.ShotgunAmmoCollectablesSpawned++; break;
case CollectableEntityType.Energy: CollectablesSubsystem.EnergyCollectablesSpawned++; break;
default: break;
}
}
// Reset Zombie Subsystem
ZombiesSubsystem.WaveTimer = saveStruct.WaveTimer;
AchievmentsSubsystem.Initialize(saveStruct.Achievments);
this.Results = new GameResults(saveStruct.Stats);
this.GamePaused = true;
}
private void StartPlayingGame()
{
// Create Subsystems
this.ZombiesSubsystem = new ZombiesSubsystem(this);
this.SurvivorSubsystem = new SurvivorSubsystem(this);
this.CollectablesSubsystem = new CollectablesSubsystem(this);
this.AchievmentsSubsystem = new AchievmentsSubsystem(this);
// Create Managers
this.SpritesDrawingManager = new DrawingManager(this, GraphicsDevice);
this.CollectablesDrawingManager = new DrawingManager(this, GraphicsDevice);
this.OverlayDrawingManager = new DrawingManager(this, GraphicsDevice);
this.HUD = new HUD(this, this.Options);
OverlayDrawingManager.DrawableEntities.Add(HUD);
}