public virtual void Update(GameTime gameTime)
{
//Checks and changes the current wave in the level.
GameStageHandler();
//Checks if the player gets hit, or hits anything with his bullets.
CheckBulletCollision();
//If there is no bonus monster, take care of it.
HandleBonusMonster();
//Updates the bullets position, anda removes it if it hits the top of the screen.
for (int i = 0; i < bullets.Count; i++)
{
if (!bullets[i].alive)
{
bullets.Remove(bullets[i]);
}
else
{
bullets[i].Update(gameTime.ElapsedGameTime.Milliseconds);
}
}
//If there is a bonus monster, run his update method instead.
if (bonusMonster != null)
{
bonusMonster.Update(gameTime, game.Window.ClientBounds);
}
if (!ship.alive)
{
stage = CurrentLevelStage.none;
return;
}
//Checks if the enemies went too far down.
for (int i = 0; i < enemyList.Count; i++)
{
if (enemyList[i].position.Y > 580)
{
ship.alive = false;
}
}
//Updates the ships position, and which frame to draw.
ship.Update(gameTime, game.Window.ClientBounds);
CheckForDeadEnemies(gameTime);
HandleScoreMultiplier();
//Updates the bullets position, and removes it if it hits the top of the screen.
for (int i = 0; i < Level.shipBullets.Count; i++)
{
if (!Level.shipBullets[i].alive)
{
Level.shipBullets.Remove(Level.shipBullets[i]);
}
else
{
Level.shipBullets[i].Update(gameTime.ElapsedGameTime.Milliseconds);
}
}
Sprite.move += (float)game.TargetElapsedTime.TotalSeconds;
MoveSprites();
if (enemyList.Count > 0)
{
EnemyShoot();
}
}
public virtual void GameStageHandler()
{
//Handles the different stages in a level.
switch (stage)
{
case CurrentLevelStage.enemyStage1:
if (!stage1Initialized)
{
InitializeStage1();
stage1Initialized = true;
}
if (enemyList.Count == 0)
{
stage = CurrentLevelStage.enemyStage2;
}
break;
case CurrentLevelStage.enemyStage2:
if (!stage2Initialized)
{
InitializeStage2();
stage2Initialized = true;
}
if (enemyList.Count == 0)
{
stage = CurrentLevelStage.enemyStage3;
}
break;
case CurrentLevelStage.enemyStage3:
if (!stage3Initialized)
{
InitializeStage3();
stage3Initialized = true;
}
if (enemyList.Count == 0)
{
stage = CurrentLevelStage.bossStage;
}
break;
case CurrentLevelStage.bossStage:
//Spawn the boss if there is none
if (boss == null && stage != CurrentLevelStage.playerWonStage && !bossStageInitialized)
{
InitializeStageBoss();
bossStageInitialized = true;
if (InGameScreen.level == CurrentLevel.level1)
{
InGameScreen.maxBossLife = boss.Life; //Needed to draw the life bar correctly
}
else
InGameScreen.maxBossLife = secondBoss.Life; //Needed to draw the life bar correctly
}
//The boss is dead, give score, remove him and show a win screen.
if (boss != null && !boss.alive)
{
//Gives score for the boss kill.
Sounds.SoundBank.PlayCue("BossDeath");
stage = CurrentLevelStage.playerWonStage;
InGameScreen.playerScore += boss.scoreAmount * InGameScreen.scoreMultiplier * (int)InGameScreen.difficulty;
boss = null;
bullets.Clear();
Thread.Sleep(1000);
}
else if (secondBoss != null && !secondBoss.alive)
{
//Gives score for the boss kill.
Sounds.SoundBank.PlayCue("BossDeath");
stage = CurrentLevelStage.playerWonStage;
InGameScreen.playerScore += secondBoss.scoreAmount * InGameScreen.scoreMultiplier * (int)InGameScreen.difficulty;
secondBoss = null;
bullets.Clear();
Thread.Sleep(1000);
}
break;
case CurrentLevelStage.playerWonStage:
if (!saved)
{
HighScores.SaveHighscoreToFile();
saved = true;
if (InGameScreen.level == CurrentLevel.level1)
{
LevelWon();
}
else
WinScreen();
InGameScreen.level += 1;
}
break;
default:
break;
}
}
