void Rotate()
{
angle = 0;
targetAngle = targetAngle % 360;
targetAngle = angle + (new Random()).Next(1, 1) * 90;
substate = GameSubstate.Rotating;
uiPlayer.StartRotate();
uiAIPlayer.StartRotate();
uiFood.StartRotate();
currentMazeDirection = (MoveDirection)(((int)currentMazeDirection + 1) % (int)MoveDirection.NIL);
}
public void Update(float elapsedSeconds)
{
switch (state)
{
case GameState.Ready:
totalElapsedSeconds += elapsedSeconds;
if (totalElapsedSeconds > 2)
{
SetState(GameState.Playing);
}
break;
case GameState.Playing:
switch (substate)
{
case GameSubstate.Normal:
totalElapsedSeconds += elapsedSeconds;
if (player != null)
{
player.Update(elapsedSeconds);
}
if (aiPlayer != null)
{
aiPlayer.Update(elapsedSeconds);
}
if (food != null)
{
food.Update(elapsedSeconds);
}
if (player.IsCollideWith(food))
{
isPlayerWin = true;
SetState(GameState.Finished);
}
else if (aiPlayer != null && aiPlayer.IsCollideWith(food))
{
isPlayerWin = false;
SetState(GameState.Finished);
}
if (totalElapsedSeconds > 15.0f)
{
Random rand = new Random();
if (rand.Next(0, 100) % 7 == 0)
{
Rotate();
totalElapsedSeconds = 0;
}
}
break;
case GameSubstate.Rotating:
angle += 5;
if (angle >= targetAngle)
{
angle = targetAngle;
substate = GameSubstate.Normal;
}
double rad = angle * Math.PI / 180;
foreach (UIWall wall in uiWalls)
{
wall.Rotate(centerPoint, rad, targetAngle, angle >= targetAngle);
}
uiPlayer.Rotate(centerPoint, rad, targetAngle, angle >= targetAngle);
uiAIPlayer.Rotate(centerPoint, rad, targetAngle, angle >= targetAngle);
uiFood.Rotate(centerPoint, rad, targetAngle, angle >= targetAngle);
if (substate == GameSubstate.Normal)
{
RotateAll();
}
break;
}
break;
case GameState.Paused:
break;
case GameState.Finished:
totalElapsedSeconds += elapsedSeconds;
break;
}
}
protected override void Update(GameTime gameTime)
{
MouseState mouseState = Mouse.GetState();
switch (_currectGameState)
{
case GameState.mainMenu:
switch (_currectGameSubstate)
{
case GameSubstate.uninitilized:
_stateStartTime = gameTime.TotalGameTime;
_currectGameSubstate = GameSubstate.loading;
IsMouseVisible = true;
PlayMenuMusic();
_fadeBox.FadeIn();
_levelNumber = 1;
break;
case GameSubstate.loading:
if (_fadeBox.State == FadeBox.FadeState.Idle)
{
_currectGameSubstate = GameSubstate.active;
}
break;
case GameSubstate.active:
if(MousePressedOverViewport(mouseState))
{
_currectGameSubstate = GameSubstate.unloading;
_menuMusic.Stop(AudioStopOptions.Immediate);
_fadeBox.FadeOut();
}
break;
case GameSubstate.unloading:
if (_fadeBox.State == FadeBox.FadeState.Idle)
{
_currectGameState = GameState.activeLevel;
_currectGameSubstate = GameSubstate.uninitilized;
}
break;
default:
break;
}
break;
case GameState.activeLevel:
_spawnManager.Update(gameTime);
_powerup.Update(gameTime);
switch (_currectGameSubstate)
{
case GameSubstate.uninitilized:
_stateStartTime = gameTime.TotalGameTime;
_currectGameSubstate = GameSubstate.loading;
_fadeBox.FadeIn();
IsMouseVisible = false;
_spidersKilled = 0;
_fireAntsKilled = 0;
_reticle.Reload();
_spawnManager.Components.Clear();
_bulletCraters.Clear();
_spawnManager.LevelStartTime = gameTime.TotalGameTime;
_spawnManager.LevelNumber = _levelNumber;
ResetPowerupSpawn(gameTime);
_soundBank.PlayCue("76405__dsp9000__old-church-bell");
PlayLevelMusic();
break;
case GameSubstate.loading:
if (_fadeBox.State == FadeBox.FadeState.Idle)
{
_currectGameSubstate = GameSubstate.active;
}
break;
case GameSubstate.active:
_reticle.Update(gameTime);
if (_reticle.FiredThisFrame)
{
Point shotPos = new Point((int)_reticle.Position.X, (int)_reticle.Position.Y);
// Add bullet impact crater sprite.
_bulletCraters.Add(
new Sprite(this,
_bulletCraterImage,
new Vector2(shotPos.X - (_bulletCraterImage.Width / 2),
shotPos.Y - (_bulletCraterImage.Height / 2) + 3)));
if (_powerup.ContainsPoint(shotPos))
{
_reticle.StartPowerUp(gameTime);
_powerup.Remove();
}
foreach (AutomatedSprite bug in _spawnManager.Components)
{
// Check for reticle collisions
if (!bug.IsDead() && bug.CollisionRect.Contains(shotPos))
{
bug.Hurt();
if (bug.IsDead())
{
if (bug.Predator)
{
FireAntKilled();
}
else
{
SpiderKilled();
}
}
}
}
}
if (gameTime.TotalGameTime > _nextPowerupSpawn)
{
SpawnPowerup(gameTime);
}
if (_levelDuration < (gameTime.TotalGameTime - _stateStartTime))
{
_currectGameSubstate = GameSubstate.unloading;
_levelMusic.Stop(AudioStopOptions.Immediate);
_fadeBox.FadeOut();
}
break;
case GameSubstate.unloading:
if (_fadeBox.State == FadeBox.FadeState.Idle)
{
_currectGameState = GameState.gameOver;
_currectGameSubstate = GameSubstate.uninitilized;
}
break;
default:
break;
}
break;
case GameState.gameOver:
switch (_currectGameSubstate)
{
case GameSubstate.uninitilized:
_stateStartTime = gameTime.TotalGameTime;
_currectGameSubstate = GameSubstate.loading;
_fadeBox.FadeIn();
if (_spidersKilled >= _spiderKillsRequired &&
_fireAntsKilled >= _fireAntKillsRequired)
{
PlayEndWinMusic();
}
else
{
PlayEndLoseMusic();
}
IsMouseVisible = true;
break;
case GameSubstate.loading:
if (_fadeBox.State == FadeBox.FadeState.Idle)
{
_currectGameSubstate = GameSubstate.active;
}
break;
case GameSubstate.active:
if (gameTime.TotalGameTime - _stateStartTime > TimeSpan.FromSeconds(2) &&
MousePressedOverViewport(mouseState) &&
_lastMouseState.LeftButton != ButtonState.Pressed)
{
_fadeBox.FadeOut();
_currectGameSubstate = GameSubstate.unloading;
}
break;
case GameSubstate.unloading:
if (_fadeBox.State == FadeBox.FadeState.Idle)
{
if (_levelNumber <= _maxLevel)
{
_currectGameState = GameState.activeLevel;
}
else
{
_currectGameState = GameState.mainMenu;
}
_currectGameSubstate = GameSubstate.uninitilized;
if (_spidersKilled >= _spiderKillsRequired &&
_fireAntsKilled >= _fireAntKillsRequired)
{
_levelNumber++;
_spiderKillsRequired = (int)(_spiderKillsRequired * 1.1f + 1);
_fireAntKillsRequired = (int)(_fireAntKillsRequired * 1.1f + 1);
}
}
break;
default:
break;
}
break;
default:
break;
}
_lastMouseState = mouseState;
base.Update(gameTime);
_fadeBox.Update(gameTime);
}
