/// <summary>
/// overridden logic allows the Seeker to fire a constand barrage of homing missiles
/// </summary>
/// <param name="player"></param>
protected override void alienLogic(PlayerShip player)
{
base.alienLogic(player);
fire();
if (ShieldLevel < 1)
{
Escaping = true;
PreferredMinDist = Utilities.screenBounds.Width;
}
}
/// <summary>
/// Overloaded move function runs the logic (AI) of the alien and sets rotation = velocity
/// </summary>
/// <param name="player">the player's ship - used for AI</param>
/// <param name="dt">the time step</param>
public virtual void Move(PlayerShip player, float dt)
{
if (!IsDying)
{
if (Settings.shipUseDamper)
{
Velocity.addVector((float)-.01 * Velocity.getMagnitude(), Velocity.getDirection());
}
alienLogic(player);
RadRotation = Velocity.getDirection() + (float)Math.PI / 2;
}
base.Move(dt);
areaOfAwareness = new Rectangle(Bounds.X - awareness, Bounds.Y - awareness, Bounds.Width + awareness * 2, Bounds.Height + awareness * 2);
if (bulletCoolDown > 0)
{
bulletCoolDown--;
}
}
/// <summary>
/// The main artificial intelligence algorithm for the aliens
/// </summary>
/// <param name="player">the player's ship</param>
protected virtual void alienLogic(PlayerShip player)
{
try //One task at a time...
{
// Object avoidance logic first - don't let meteors or bullets hit me
if (visibleObjs.Count > 0)
{
avoid();
}
// Player stalking logic second - get in close enough to kill
else if (Position.getMagnitudeTo(player.Position) > preferredMaxDist)
{
approach(player.Position);
}
// Prevent player from using the edge to trick me - don't sit on the edge
else if (Math.Abs(Position.X - Utilities.screenBounds.X) < 60 || Math.Abs(Position.X - Utilities.screenBounds.Width) < 60 ||
Math.Abs(Position.Y - Utilities.screenBounds.Y) < 60 || Math.Abs(Position.Y - Utilities.screenBounds.Height) < 60)
{
flank(player.RadRotation, player.Position);
getAwayFromEdge();
}
// If the player's getting too close, run away
else if (Position.getMagnitudeTo(player.Position) < preferredMinDist && player.Velocity.getMagnitude() > .5)
{
flee(player.Position);
}
// If I'm a coward, get around behind the player - don't let the player aim at me
else if (Math.Abs(player.Position.getDirectionTo(Position) - (player.RadRotation - (float)Math.PI / 2)) < cowardAngle && isCoward)
{
flank(player.RadRotation, player.Position);
}
// Player shooting logic last - if all else is golden, blow the player up
else
{
aim(player.Position, player.Velocity);
}
}
catch (Exception e) { MessageBox.Show(e.Message, "Alien Logic"); }
}
/// <summary>
/// Intializes the game creating everything that is needed
/// </summary>
/// <param name="Display">The form being drawn on</param>
public void IntializeGame(Form1 Display)
{
Threads.initializeTasks();
level = 1;
score = 0;
lives = 3;
extraLivesCounter = 0;
Utilities.screenBounds = Screen.PrimaryScreen.Bounds;//Display.ClientRectangle;
Utilities.screenCenter = new Coordinates(Utilities.screenBounds.Width / 2, Utilities.screenBounds.Height / 2);
isRunning = true;
PlayerShip = new PlayerShip(Utilities.screenBounds.Width / 2, Utilities.screenBounds.Height / 2);
InGameMeteors = new List <Meteor>();
inGameAlienShips = new List <AlienBase>();
alienSpawnTimer = Settings.SpawnTimer;
ACollision = new Collisions();
stateDescription = "fine";
needsToExit = false;
int x;
int y;
int i = 0;
while (i < Settings.meteorInitAmount)
{
//create asteriod away from middle
x = (Utilities.getRand10() * (Utilities.screenBounds.Width / 10));
while (x > Utilities.screenBounds.Width / 2 - 300 && x < Utilities.screenBounds.Width / 2 + 300)
{
x = (Utilities.getRand10() * (Utilities.screenBounds.Width / 10));
}
y = (Utilities.getRand10() * (Utilities.screenBounds.Height / 10));
while (y > Utilities.screenBounds.Height / 2 - 300 && y < Utilities.screenBounds.Height / 2 + 300)
{
y = (Utilities.getRand10() * (Utilities.screenBounds.Height / 10));
}
InGameMeteors.Add(new Meteor(new Coordinates(x, y),
Settings.meteorStartSize, new Coordinates((Utilities.getRandBase(Settings.meteorSpawnSpeed) - Settings.meteorSpawnSpeed / 2) / (float)10.0,
(Utilities.getRandBase(Settings.meteorSpawnSpeed) - Settings.meteorSpawnSpeed / 2) / (float)10.0)));
i++;
}
}
/// <summary>
/// Checks collisions between the aliens' bullets and the player's ship
/// </summary>
/// <param name="Lbullet">alien bullet list</param>
/// <param name="ship">player's ship</param>
public void DidCollisionOccur(List <Weapon> Lbullet, PlayerShip ship)
{
for (int i = Lbullet.Count - 1; i >= 0; i--)
{
if (!Lbullet[i].IsDying)
{
if (Check(Lbullet[i].Bounds, ship.Bounds))
{
if (Settings.debug)
{
Lbullet[i].isCollided = true;
ship.isCollided = true;
}
if (Settings.useFancyCollisions)
{
if (Settings.debug)
{
Lbullet[i].isCollidedFoReal = false;
ship.isCollidedFoReal = false;
}
if (FancyCollisions.isColliding(Lbullet[i], ship))
{
if (Settings.debug)
{
Lbullet[i].isCollidedFoReal = true;
ship.isCollidedFoReal = true;
}
Lbullet[i].IsDying = true;
UsedBullets.Add(Lbullet[i]);
ship.IsDying = true;
}
}
else
{
Lbullet[i].IsDying = true;
UsedBullets.Add(Lbullet[i]);
ship.IsDying = true;
}
}
}
}
}
/// <summary>
/// Check if Collision occurs between Meteor and playerShip
/// </summary>
/// <param name="Lmeteor">Meteor List</param>
/// <param name="ship">Vehicle Object</param>
public void DidCollisionOccur(List <Meteor> Lmeteor, PlayerShip ship)
{
ship.isCollided = false;
for (int i = Lmeteor.Count - 1; i >= 0; i--)
{
Lmeteor[i].isCollided = false;
if (!Lmeteor[i].IsDying)
{
if (Check(Lmeteor[i].Bounds, ship.Bounds))
{
if (Settings.debug)
{
Lmeteor[i].isCollided = true;
ship.isCollided = true;
}
if (Settings.useFancyCollisions)
{
if (Settings.debug)
{
Lmeteor[i].isCollidedFoReal = false;
ship.isCollidedFoReal = false;
}
if (FancyCollisions.isColliding(Lmeteor[i], ship))
{
if (Settings.debug)
{
Lmeteor[i].isCollidedFoReal = true;
ship.isCollidedFoReal = true;
}
Lmeteor[i].IsDying = true;
ship.IsDying = true;
}
}
else
{
Lmeteor[i].IsDying = true;
ship.IsDying = true;
}
}
}
}
}
/// <summary>
/// overridded behavior routine allows the Caller to change to a 'coward' when it's shields go down.
/// </summary>
/// <param name="player">the player's ship</param>
protected override void alienLogic(PlayerShip player)
{
base.alienLogic(player);
abilityCoolDown--;
if (abilityCoolDown == 195)
{
GameSounds.effect(GameMedia.getDir["callSigSND"]);
}
if (abilityCoolDown <= 0)
{
if (ShieldLevel < 1)
{
ShieldLevel++;
IsCoward = false;
try { GameSounds.effect(GameMedia.getDir["shieldsUpSND"]); }
catch { }
}
callAllies();
abilityCoolDown = 3000;
}
}
/// <summary>
/// loops to run the draw each game object each frame
/// </summary>
public void runGameGraphics(Graphics gameGraphics)
{
List <Weapon> playersBullets = PlayerShip.Bullets.ToList();
for (int i = playersBullets.Count - 1; i >= 0; i--)
{
try
{
if (playersBullets[i].IsActive)
{
playersBullets[i].DrawObj(gameGraphics);
}
}
catch { }
}
List <Meteor> meteors = inGameMeteors.ToList();
for (int i = meteors.Count - 1; i >= 0; i--)
{
try
{
if (meteors[i].IsActive)
{
meteors[i].DrawObj(gameGraphics);
}
}
catch { }
}
List <AlienBase> aliens = inGameAlienShips.ToList();
for (int i = aliens.Count - 1; i >= 0; i--)
{
try
{
if (aliens[i].IsActive)
{
aliens[i].DrawObj(gameGraphics);
}
}
catch (Exception e) { MessageBox.Show(e.Message, "Alien Ship Draw"); }
for (int j = aliens[i].Bullets.Count - 1; j >= 0; j--)
{
try
{
if (aliens[i].Bullets[j].IsActive)
{
aliens[i].Bullets[j].DrawObj(gameGraphics);
}
}
catch (Exception e) { MessageBox.Show(e.Message, "Alien Bullet Draw"); }
}
}
if (playerShip != null)
{
if (PlayerShip.IsActive)
{
PlayerShip.DrawObj(gameGraphics);
}
}
}
/// <summary>
/// initialized the next level
/// </summary>
/// <param name="Display">the form on which to operate</param>
public void InitializeNextLevel(Form Display)
{
//GameSounds.CloseSFX();
//GameSounds.InitializeSFX();
//Task.WaitAll()
Threads.initializeTasks();
InGameMeteors = new List <Meteor>();
inGameAlienShips = new List <AlienBase>();
alienSpawnTimer = Settings.SpawnTimer;
ACollision = new Collisions();
PlayerShip = new PlayerShip(Display.ClientRectangle.Width / 2, Display.ClientRectangle.Height / 2);
PlayerShip.Position = new Coordinates(Display.ClientRectangle.Width / 2, Display.ClientRectangle.Height / 2);
Utilities.populateRandPool();
Settings.chancePool = 160 - level * 10; // at level 15 an alien should spawn every time the alien spawner loops
if (Settings.chancePool <= 10)
{
Settings.chancePool = 10;
}
Settings.WussRemover = level / 5; // at level 35 only the tough aliens will spawn
if (Settings.WussRemover >= 7)
{
Settings.WussRemover = 7;
}
int totalMeteorMaterial = 200 + level * 75;
if (totalMeteorMaterial >= 2100)
{
totalMeteorMaterial = 2100; // 10 large asteroids will be the max ever spawned
}
Settings.meteorInitAmount = totalMeteorMaterial / 200;
Settings.meteorStartSize = totalMeteorMaterial / Settings.meteorInitAmount;
Settings.meteorSpawnSpeed = 6 + level / 12; // every 12 levels meteor speed will increase (can't go over 10)
if (Settings.meteorSpawnSpeed <= 10)
{
Settings.meteorSpawnSpeed = 10;
}
int x;
int y;
int i = 0;
while (i < Settings.meteorInitAmount)
{
//create asteriod away from middle
x = (Utilities.getRand10() * (Utilities.screenBounds.Width / 10));
while (x > Utilities.screenBounds.Width / 2 - 300 && x < Utilities.screenBounds.Width / 2 + 300)
{
x = (Utilities.getRand10() * (Utilities.screenBounds.Width / 10));
}
y = (Utilities.getRand10() * (Utilities.screenBounds.Height / 10));
while (y > Utilities.screenBounds.Height / 2 - 300 && y < Utilities.screenBounds.Height / 2 + 300)
{
y = (Utilities.getRand10() * (Utilities.screenBounds.Height / 10));
}
InGameMeteors.Add(new Meteor(new Coordinates(x, y),
Settings.meteorStartSize, new Coordinates((Utilities.getRandBase(Settings.meteorSpawnSpeed) - Settings.meteorSpawnSpeed / 2) / (float)10.0,
(Utilities.getRandBase(Settings.meteorSpawnSpeed) - Settings.meteorSpawnSpeed / 2) / (float)10.0)));
i++;
}
}