public Enemy(Game game, Vector3 position, Entity entityToChase)
: base(game)
{
addComponent(new Spatial(game, this, position));
getComponent<Spatial>().focus = Vector3.Forward + position;
addComponent(new Drawable3D(game, this, Game.Content.Load<Model>(@"models\Plane3")));
addComponent(new Collidable(game, this, CollisionType.enemy, onHit, 50, 250,getComponent<Drawable3D>().modelBoundingBox));
addComponent(new Spatial2D(game, this, Vector2.Zero, new Vector2(1.0f, 1.0f)));
addComponent(new Drawable2D(game, this, Game.Content.Load<Texture2D>(@"Textures\TrackingTriangle"),Color.Lime));
weapon = new Missiles(game, this);
path = new PathingWander(Game, this, entityToChase, speed);
addComponent(weapon);
logic = joust;
int type = ((Game1)Game).rnd.Next(0, 2);
//int type = 0;
switch (type)
{
case 0:
logic = joust;
break;
case 1:
logic = stayInFrontAndEvade;
break;
case 2:
logic = wanderInFront;
break;
case 3:
logic = kamiKaze;
break;
case 4:
logic = chaseDown;
break;
default:
break;
}
addComponent(path);
targetToChase = entityToChase;
enemyManager.add(this);
}
private void wanderInFront(GameTime gameTime)
{
if (path == null)
{
removeComponent<Pathing>();
path = new PathingWander(Game, this, targetToChase, speed);
addComponent(path);
}
if (path.GetType() != typeof(PathingWander))
{
removeComponent(path);
path = new PathingWander(Game, this, targetToChase, speed);
addComponent(path);
}
Spatial sp = getComponent<Spatial>();
if (Vector3.Dot(sp.focus - sp.position, Vector3.Normalize(targetToChase.getComponent<Spatial>().position - sp.position))> 0.9f)
{
weapon.fire();
}
}
private void stayInFrontAndEvade(GameTime gameTime)
{
if (path == null)
{
removeComponent<Pathing>();
path = new PathingWander(Game, this, targetToChase, speed);
addComponent(path);
}
if (recentlyHit > 0.0f)
{
if (path.GetType() != typeof(PathingEvade))
{
removeComponent(path);
path = new PathingEvade(Game, this, targetToChase, speed);
addComponent(path);
}
recentlyHit -= (float)gameTime.ElapsedGameTime.Milliseconds / 1000.0f;
}
else if (path.GetType() != typeof(PathingWander))
{
removeComponent(path);
path = new PathingWander(Game, this, targetToChase, speed);
addComponent(path);
}
}
private void kamiKaze(GameTime gameTime)
{
if (path == null)
{
removeComponent<Pathing>();
path = new PathingWander(Game, this, targetToChase, speed);
addComponent(path);
}
if (path.GetType() != typeof(PathingChase))
{
removeComponent<Pathing>();
path = new PathingChase(Game, this, targetToChase, speed * chaseSpeedAdjustment);
addComponent(path);
}
}
private void joust(GameTime gameTime)
{
if (path == null)
{
removeComponent<Pathing>();
path = new PathingWander(Game, this, targetToChase, speed);
addComponent(path);
}
Spatial sp = getComponent<Spatial>();
Spatial enemySp = targetToChase.getComponent<Spatial>();
bool isWandering = path.GetType() == typeof(PathingWander);
Vector3 vectorBetween = Vector3.Normalize(enemySp.position - sp.position);
float dot = Vector3.Dot(enemySp.focus - enemySp.position,-vectorBetween);
if (isWandering)
{
if (dot > 0.93f)
{
removeComponent(path);
path = new PathingChase(Game, this, targetToChase, speed * chaseSpeedAdjustment);
addComponent(path);
}
}
else if (!isWandering && dot < 0.0f)
{
removeComponent(path);
path = new PathingWander(Game, this, targetToChase, speed);
addComponent(path);
}
if (Vector3.Dot(sp.focus - sp.position, vectorBetween) > 0.9f)
{
weapon.fire();
}
}
private void chaseDown(GameTime gameTime)
{
Spatial sp = getComponent<Spatial>();
Vector3 vectorBetween = Vector3.Normalize(targetToChase.getComponent<Spatial>().position - sp.position);
if (path == null)
{
removeComponent<Pathing>();
path = new PathingChase(Game, this, targetToChase, speed * chaseSpeedAdjustment);
addComponent(path);
}
if (Vector3.Dot(sp.focus - sp.position, vectorBetween) > 0.9f && ((Game1)Game).rnd.NextDouble() > 0.99)
{
weapon.fire();
}
}
public override void Update(GameTime gameTime)
{
if (targetToChase != null)
{
logic(gameTime);
switchWeapons();
}
lifeTime += gameTime.ElapsedGameTime.Milliseconds / 1000.0f;
if (lifeTime > 30.0f)
{
path = null;
logic = joust;
lifeTime = float.MinValue;
}
Vector3 screenPos = getScreenPosition();
getComponent<Spatial2D>().position = new Vector2(screenPos.X, screenPos.Y);
float zscale = 1.0f - (float)Math.Pow(screenPos.Z, 300);
getComponent<Spatial2D>().scale = new Vector2(zscale);
base.Update(gameTime);
}