public Body ClosestTarget(Entity e)
{
AI a = e.GetComponent<AI>();
PhysicsBody pb = world.GetClosestBody(e.GetComponent<ITransform>().Position, a.HostileGroup);
Body b = new Body(world, pb.UserData as Entity);
return b;
}
public AI(Body target, Func<Body, bool> behavior, string targetGroup, float searchRadius)
{
this.Target = target;
this.Targeting = Targeting.Closest;
this.TargetGroup = targetGroup;
this.SearchRadius = searchRadius;
this.Behavior = behavior;
Notify = (x, y) => { return; };
}
public void CallChildren(Body b)
{
foreach (Entity e in children)
{
if (e != null && e.HasComponent<Function>())
{
Function f = e.GetComponent<Function>();
f.Behavior.Invoke(b);
}
}
}
/// <summary>
/// Creates a sprite with a spritesheet and abody.
/// </summary>
/// <param name="spriteSheet"></param>
/// <param name="spriteKey"></param>
/// <param name="body"></param>
/// <param name="scale"></param>
/// <param name="color"></param>
/// <param name="layer"></param>
public Sprite(SpriteSheet spriteSheet, string spriteKey, Body body, float scale, Color color, float layer)
: this(spriteSheet, spriteKey, AssetCreator.CalculateOrigin(body) / scale, scale, color, layer)
{
}
/// <summary>
/// Creates a new sprite with a source and a texture using a body.
/// </summary>
/// <param name="spriteSheet"></param>
/// <param name="source"></param>
/// <param name="body"></param>
/// <param name="scale"></param>
/// <param name="color"></param>
/// <param name="layer"></param>
public Sprite(Texture2D spriteSheet, Rectangle source, Body body, float scale, Color color, float layer)
: this(spriteSheet, source, AssetCreator.CalculateOrigin(body) / scale, scale, color, layer)
{
}
public AI(Body target, Func<Body, bool> behavior, string targetGroup, bool recalculate)
: this(target, behavior, targetGroup, 200f)
{
Recalculate = recalculate;
}
public AI(Body target, Func<Body, bool> behavior)
: this(target, behavior, "", 200f)
{
}
public static Func<Body, bool> CreateWarMachine(Entity ent, float speed, Body bitch, float sideTime, float shootTime, Sprite s, EntityWorld _World)
{
float shotTime = 0f;
float time = 0f;
return
(target) =>
{
if (time > sideTime)
time = 0f;
Body b = ent.GetComponent<Body>();
float x = (float)(ConvertUnits.ToSimUnits(ScreenHelper.Viewport.Width / 2) * (Math.Cos(MathHelper.ToRadians(360 / sideTime) * time)));
if (shotTime > shootTime)
{
shotTime = 0f;
Vector2 velocity1 = new Vector2(0, 1);
velocity1 *= 8f;
SoundManager.Play("Shot2");
_World.CreateEntity("ExplosiveBullet", bitch.Position, velocity1, 1, "reddownmissile").Refresh();
}
if (!ent.HasComponent<Slow>())
{
b.Position = new Vector2(x, b.Position.Y + speed * _World.Delta / 1000);
shotTime += (float)_World.Delta / 1000;
time += (float)_World.Delta / 1000;
}
else
{
handleSlow(ent, _World);
}
return false;
};
}
public AI(Body target, Func<Body, bool> behavior, string targetGroup)
: this(target, behavior, targetGroup, 200f)
{
}
public AI(Body target, Func<Body, bool> behavior, float searchRadius)
: this(target, behavior, "", searchRadius)
{
}
public static Func<Body, bool> CreateFlamer(Entity ent, float speed, Body bitch, Sprite s, EntityWorld _World)
{
int times = 0;
return
(target) =>
{
++times;
Body b = ent.GetComponent<Body>();
Vector2 distance = target.Position - b.Position;
if (distance != Vector2.Zero)
distance.Normalize();
distance *= speed;
if (target != null && target.LinearVelocity != distance && !ent.HasComponent<Slow>())
{
b.LinearVelocity = distance;
}
if (times % 10 == 0)
{
int range = s.CurrentRectangle.Width / 2;
float posx = -range;
Vector2 pos1 = bitch.Position + ConvertUnits.ToSimUnits(new Vector2(posx, 0));
Vector2 pos2 = bitch.Position - ConvertUnits.ToSimUnits(new Vector2(posx, 0));
float x = posx / range;
float y = 1;
Vector2 velocity1 = new Vector2(x, y);
velocity1.Normalize();
velocity1 *= 7;
Vector2 velocity2 = new Vector2(-velocity1.X, velocity1.Y);
_World.CreateEntity("Fire", pos1, velocity1).Refresh();
_World.CreateEntity("Fire", pos2, velocity2).Refresh();
}
return false;
};
}
/// <summary>
/// Finds a new target for AI component
/// </summary>
/// <param name="ai"></param>
/// <param name="location"></param>
/// <returns></returns>
private Body _FindNewTarget(AI ai, Body location)
{
//find all fixtures in world around the location.
AABB aabb = new AABB(location.Position, ai.SearchRadius, ai.SearchRadius);
#if WINDOWS
HashSet<PhysicsBody> bodies = new HashSet<PhysicsBody>();
#else
List<PhysicsBody> bodies = new List<PhysicsBody>();
#endif
world.QueryAABB(x =>
{
if (x.Body.BodyId != location.BodyId)
{
if ((string.IsNullOrEmpty(ai.TargetGroup) || ai.TargetGroup.Equals((x.Body.UserData as Entity).Group)) &&
!(world.GetEntity((x.Body.UserData as Entity).Id) == null || (
world.GetEntity((x.Body.UserData as Entity).Id) != null &&
world.GetEntity((x.Body.UserData as Entity).Id).GetComponent<Body>() != null &&
!world.GetEntity((x.Body.UserData as Entity).Id).GetComponent<Body>().Equals(x.Body))))
{
bodies.Add(x.Body);
}
}
return true;
}, ref aabb);
if (bodies.Count > 0) //IF BODIES IN SEARCH RADIUS.
{
PhysicsBody[] list = new PhysicsBody[bodies.Count];
bodies.CopyTo(list);
Entity ent = (location.UserData as Entity);
//SORT BY TARGETING TYPE.
switch (ai.Targeting)
{
case Targeting.Closest:
return ClosestEntity(location.Position, list).GetComponent<Body>();
case Targeting.Strongest:
return StrongestEntity(list).GetComponent<Body>();
case Targeting.Weakest:
return WeakestEntity(list).GetComponent<Body>();
case Targeting.None:
return null;
default:
return null;
}
}
else
return null;
}
