/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update( GameTime gameTime )
{
KeyboardState keyState = Keyboard.GetState();
MouseState mouseState = Mouse.GetState();
GamePadState padState = GamePad.GetState( PlayerIndex.One );
Collisions = new Dictionary<Tuple<int, int>, bool>();
if ( keyState.IsKeyDown( Keys.Escape ) )
{
this.Exit();
}
if ( ScheduledTasks.Count > 0 )
{
HashSet<Tuple<TimeSpan, int, Action>> ScheduledTasksCopy = new HashSet<Tuple<TimeSpan, int, Action>>( ScheduledTasks );
foreach ( var task in ScheduledTasksCopy )
{
if ( ( currentGameTime - task.Item1 ).TotalMilliseconds >= task.Item2 )
{
task.Item3();
ScheduledTasks.Remove( task );
}
}
}
if ( CurrentMenu != null )
{
CurrentMenu.Update( currentGameTime, keyState, mouseState, padState );
return;
}
if ( currentGameTime == null )
{
currentGameTime = gameTime.TotalGameTime;
}
else
{
currentGameTime += gameTime.ElapsedGameTime;
}
if ( keyState.IsKeyDown( Keys.R ) && prevKeyState.IsKeyUp( Keys.R ) )
{
NewRound( false, false, false );
}
if ( keyState.IsKeyDown( Keys.Z ) && prevKeyState.IsKeyUp( Keys.Z ) )
{
p1.AI = !p1.AI;
}
if ( keyState.IsKeyDown( Keys.M ) && prevKeyState.IsKeyUp( Keys.M ) )
{
loopInstance.Volume = 1.0f - loopInstance.Volume;
}
if ( keyState.IsKeyDown( Keys.P ) || padState.IsButtonDown( Buttons.Start ) )
{
CurrentMenu = new PauseMenu( this );
}
HashSet<GameEntity> EntitiesCopy = new HashSet<GameEntity>( Entities );
int NumberOfLivingTanks = 0;
foreach ( GameEntity entity in EntitiesCopy )
{
entity.ConUpdate( currentGameTime, EntitiesCopy, keyState );
if ( entity is Tank && ( (Tank)entity ).IsAlive )
{
NumberOfLivingTanks++;
}
}
if ( ( currentGameTime - timeSinceLastPickup ).TotalMilliseconds > SpawnMillisecs )
{
SpawnPickup( currentGameTime );
timeSinceLastPickup = currentGameTime;
}
if ( NumberOfLivingTanks <= 1 )
{
if ( !HasBeganWait )
{
ScheduleTask( currentGameTime, WaitMillisecs, NewRound );
HasBeganWait = true;
}
}
prevKeyState = keyState;
prevPadState = padState;
base.Update( gameTime );
}
public void ReferMenu( Menu menu )
{
Game.CurrentMenu = menu;
}