/// <summary>
/// Updates the enemies and checks for destroyed enemies
/// </summary>
public static void Update(GameTime gt)
{
foreach (Enemy Enemy in Enemies)
{
if (Enemy.IsDestroyed)
{
WaveManager.WaveEnemiesUsed++;
if (Enemy.hitPoints <= 0) // check if it was destroyed by means of towers
{
GameManager.EnemyWasDestroyed(Enemy.EnemyType); // resource acquisition
if (Enemy.EnemyType == "Helicopter")
{
EffectManager.EffectCall(EffectManager.EffectEnums.Explosion, Enemy.ScreenPos - new Vector2(Art.Helicopter.Width / 2, Art.Helicopter.Height / 2), true);
}
if (Enemy.EnemyType == "Transport")
{
for (float i = 0; i < 4; i++)
{
WaveManager.WaveEnemiesUsed--;
SpawnEnemy("Soldier", Enemy.enemyVect - new Vector2(Enemy.Direction.X * -i / 4, Enemy.Direction.Y * -i / 4));
EffectManager.EffectCall(EffectManager.EffectEnums.Explosion, Enemy.ScreenPos - new Vector2(Art.Transport.Width / 2, Art.Transport.Height / 2), true);
}
}
else if (Enemy.EnemyType == "Tank")
{
for (float i = 0; i < 2; i++)
{
WaveManager.WaveEnemiesUsed--;
SpawnEnemy("Soldier", Enemy.enemyVect - new Vector2(Enemy.Direction.X * -i / 4, Enemy.Direction.Y * -i / 4));
EffectManager.EffectCall(EffectManager.EffectEnums.Explosion, Enemy.ScreenPos - new Vector2(Art.TankBottom.Width / 2, Art.TankBottom.Height / 2), true);
}
}
else if (Enemy.EnemyType == "Jeep")
{
for (float i = 0; i < 1; i++)
{
WaveManager.WaveEnemiesUsed--;
SpawnEnemy("Soldier", Enemy.enemyVect - new Vector2(Enemy.Direction.X * -i / 4, Enemy.Direction.Y * -i / 4));
EffectManager.EffectCall(EffectManager.EffectEnums.Explosion, Enemy.ScreenPos - new Vector2(Art.JeepBottom.Width / 2, Art.JeepBottom.Height / 2), true);
}
}
else if (Enemy.EnemyType == "Soldier")
{
EffectManager.EffectCall(EffectManager.EffectEnums.Blood, Enemy.ScreenPos, false);
}
}
DestroyEnemy(Enemy.EnemyID, Enemy.EnemyType);
break;
}
else
{
Enemy.Update(GameManager.grid.gridStatus, gt); //updates the enemy
}
}
foreach (Projectile proj in TankTurret.EnemyProjectiles) //updates the projectiles of enemy
{
proj.Update();
}
}
public void Update(Grid.gridFlags endPoint, GameTime gameTime)
{
time = (float)gameTime.ElapsedGameTime.TotalSeconds;
//check for out of bounds, only really occurs when they are spawned from a destroyed vehicle as the vehicle is turning
if (enemyVect.X >= 20)
{
enemyVect.X = 19;
}
if (enemyVect.Y >= 15)
{
enemyVect.Y = 14;
}
if (enemyVect.X < 0)
{
enemyVect.X = 0;
}
if (enemyVect.Y < 0)
{
enemyVect.Y = 0;
}
currentCoord = new Coordinates((int)enemyVect.X, (int)enemyVect.Y);
if (enemyVect != null)
{
moving = PathMove(GameManager.grid.gridSquares, GameManager.HEIGHT, GameManager.WIDTH, ref enemyVect, ref ScreenPos, speed, time, Direction, EnemyType);
}
if (GameManager.ENDPOINT != null)
{
if (currentCoord.CoordEqual(GameManager.ENDPOINT))
{
IsDestroyed = true;
GameManager.BaseHealth -= damage;
}
}
if (hitPoints <= 0)
{
IsDestroyed = true;
}
// Get screen pixel position from Grid Coordinates (enemyVect).
if (moving)
{
ScreenPos = new Vector2((int)GameManager.grid.gridBorder.X + (enemyVect.X * GameManager.SQUARESIZE) + GameManager.SQUARESIZE / 2, (int)GameManager.grid.gridBorder.Y + (enemyVect.Y * GameManager.SQUARESIZE) + GameManager.SQUARESIZE / 2);
}
else
{
enemyVect.X = (float)Math.Round(enemyVect.X);
enemyVect.Y = (float)Math.Round(enemyVect.Y);
}
if (EnemyType == "Tank" || EnemyType == "Jeep")
{
TurretDirection = TankTurret.Update(this);
}
Vector2 NextScreenPos = new Vector2((int)GameManager.grid.gridBorder.X + (nextCoord.x * GameManager.SQUARESIZE + 0.1f), (int)GameManager.grid.gridBorder.Y + (nextCoord.y * GameManager.SQUARESIZE));
Direction = Movement;
if (!towerInRange)
{
TurretDirection = Direction;
//float nextTurretDirection = Direction.ToAngle();
//// LERPING HERE
//turretRotation = Extensions.CurveAngle(turretRotation, nextTurretDirection, 0.3f);
//TurretDirection = turretRotation.ToVector();
}
if (usingSpriteSheet)
{
EffectManager.spriteSheetUpdate(ref spriteSheetNo, ref animElasped, targetElasped, sheetFrameTotal, gameTime);
if (EnemyType == "Soldier")
{
SourceRect = new Rectangle(0, spriteSheetNo * Art.Soldier.Height / (sheetFrameTotal + 1), Art.Soldier.Width, Art.Soldier.Height / (sheetFrameTotal + 1));
}
else if (EnemyType == "Helicopter")
{
SourceRect = new Rectangle(spriteSheetNo * Art.Helicopter.Width / (sheetFrameTotal + 1), 0, Art.Helicopter.Width / (sheetFrameTotal + 1), Art.Helicopter.Height);
}
}
}
/// <summary>
/// Updates the enemies and checks for destroyed enemies
/// </summary>
public static void Update(GameTime gt)
{
if (WaveManager.WaveNumber > 10)
{
SpawnSoldierString = "SoldierBlue";
}
if (WaveManager.WaveNumber > 20)
{
SpawnSoldierString = "SoldierRed";
}
foreach (Enemy Enemy in Enemies)
{
if (Enemy.IsDestroyed)
{
if (Enemy.hitPoints <= 0) // check if it was destroyed by means of towers
{
WaveManager.EnemiesKilled++;
GameManager.EnemyWasDestroyed(Enemy.EnemyType); // resource acquisition
if (Enemy.EnemyType == "Helicopter")
{
EffectManager.EffectCall(EffectManager.EffectEnums.Explosion, Enemy.ScreenPos - new Vector2((Art.Helicopter.Width / 4) / 2, Art.Helicopter.Height / 2), true);
Sound.Explosion.Play(GameManager.MASTER_VOL * GameManager.SOUNDFX_VOL * 0.5f, 0f, 0f);
}
if (Enemy.EnemyType == "Transport")
{
for (float i = 0; i < 4; i++)
{
SpawnEnemy(SpawnSoldierString, Enemy.enemyVect - new Vector2(Enemy.Direction.X * -i / 4, Enemy.Direction.Y * -i / 4));
EffectManager.EffectCall(EffectManager.EffectEnums.Explosion, Enemy.ScreenPos - new Vector2(Art.Transport.Width / 2, Art.Transport.Height / 2), true);
}
Sound.Explosion.Play(GameManager.MASTER_VOL * GameManager.SOUNDFX_VOL * 0.5f, 0f, 0f);
}
else if (Enemy.EnemyType == "Tank")
{
for (float i = 0; i < 2; i++)
{
SpawnEnemy(SpawnSoldierString, Enemy.enemyVect - new Vector2(Enemy.Direction.X * -i / 4, Enemy.Direction.Y * -i / 4));
EffectManager.EffectCall(EffectManager.EffectEnums.Explosion, Enemy.ScreenPos - new Vector2(Art.TankBottom.Width / 2, Art.TankBottom.Height / 2), true);
}
Sound.Explosion.Play(GameManager.MASTER_VOL * GameManager.SOUNDFX_VOL * 0.5f, 0f, 0f);
}
else if (Enemy.EnemyType == "Jeep")
{
for (float i = 0; i < 1; i++)
{
SpawnEnemy(SpawnSoldierString, Enemy.enemyVect - new Vector2(Enemy.Direction.X * -i / 4, Enemy.Direction.Y * -i / 4));
EffectManager.EffectCall(EffectManager.EffectEnums.Explosion, Enemy.ScreenPos - new Vector2(Art.JeepBottom.Width / 2, Art.JeepBottom.Height / 2), true);
}
Sound.Explosion.Play(GameManager.MASTER_VOL * GameManager.SOUNDFX_VOL * 0.5f, 0f, 0f);
}
else if (Enemy.EnemyType == "Soldier")
{
EffectManager.EffectCall(EffectManager.EffectEnums.Blood, Enemy.ScreenPos + new Vector2(GameManager.rnd.Next(-5, 6), GameManager.rnd.Next(-5, 6)), false);
if (GameManager.rnd.Next(1, 100) < 25)
{
Sound.WilhelmScream.Play(GameManager.MASTER_VOL * GameManager.SOUNDFX_VOL * 0.5f, 0f, 0f);
}
}
}
//DestroyEnemy(Enemy, Enemy.EnemyType, Enemy.EnemyID);
EnemiesToRemove.Add(Enemy);
}
if (float.IsNaN(Enemy.enemyVect.X) || float.IsNaN(Enemy.enemyVect.Y)) // This needs testing...
{
//DestroyEnemy(Enemy, Enemy.EnemyType, Enemy.EnemyID);
EnemiesToRemove.Add(Enemy);
//WaveManager.WaveEnemiesUsed++;
}
else
{
Enemy.Update(GameManager.grid.gridStatus, gt); //updates the enemy
}
}
foreach (Projectile proj in TankTurret.EnemyProjectiles) //updates the projectiles of enemy
{
proj.Update();
}
// Remove Projectiles after lifetime.
for (int i = 0; i < TankTurret.EnemyProjectiles.Count(); i++)
{
if (TankTurret.EnemyProjectiles[i].TimeSinceSpawn > TankTurret.EnemyProjectiles[i].Lifetime)
{
TankTurret.EnemyProjectiles.RemoveAt(i);
}
}
foreach (Enemy enemy in EnemiesToAdd)
{
Enemies.Add(enemy);
}
foreach (Enemy enemy in EnemiesToRemove)
{
DestroyEnemy(enemy, enemy.EnemyType, enemy.EnemyID);
}
EnemiesToAdd.Clear();
EnemiesToRemove.Clear();
}
//create a call for an effect
public static void EffectCall(EffectManager.EffectEnums Effect, Vector2 Location, bool spritesheet)
{
Add(new Effect(Effect, Location, spritesheet));
}
float GetEffectLength(EffectManager.EffectEnums Effect)
{
switch(Effect)
{
case EffectManager.EffectEnums.Blood:
return 5000f;
case EffectManager.EffectEnums.Explosion:
return 1200f;
}
return 0f;
}
Texture2D GetEffect(EffectManager.EffectEnums Effect)
{
switch(Effect)
{
case EffectManager.EffectEnums.Blood:
Zlevel = 0;
return Art.BloodSplats;
case EffectManager.EffectEnums.Explosion:
totalframes = 16;
frame = 0;
elasped = 0;
totalTime = 75f;
Zlevel = 1;
return Art.Explosions;
}
return null;
}
public Effect(EffectManager.EffectEnums Effect, Vector2 Location, bool Spritesheet)
{
EffectE = Effect;
effectTex = GetEffect(Effect);
effectLength = GetEffectLength(Effect);
location = Location;
spriteSheet = Spritesheet;
Timer = new UiTimer(effectLength);
}
