public virtual ProximityResult DetectProximity(IEntity other)
{
ProximityResult res = new ProximityResult();
res.Bearing = MatrixPoint.OrientationBetween(this.Centre, other.Centre);
res.Distance = MatrixPoint.DistanceBetween(this.Centre, other.Centre);
res.Collision = false;
res.Entity = other;
List<Line> myOutline = this.GetPerimeter();
List<Line> otherOutline = other.GetPerimeter();
int myCount = myOutline.Count;
int otherCount = otherOutline.Count;
for (int i = 0; i < myCount; i++)
{
for (int j = 0; j < otherCount; j++)
{
if (myOutline[i].Intersects(otherOutline[j]))
{
res.Collision = true;
return res;
}
}
}
return res;
}
private void SeekTarget(ProximityResult prox)
{
IMissionTarget target = Mission.GetNextUncompletedTarget();
Angle relativeOrientation = this.Orientation + prox.Bearing;
if (Math.Round(relativeOrientation.Radians, 1) != Math.Round(0.0, 1))
{
if (relativeOrientation.Radians > Math.PI)
{
nextRotate = 0.05;
}
else
{
nextRotate = -0.05;
}
}
if (prox.Distance > 200)
{
nextMove = 3;
}
else if (prox.Distance > 150)
{
nextMove = 3;
}
else if (prox.Distance > 30)
{
if (tickCount % 5 == 0 && target.Objective == MissionObjective.Attack)
{
new Missile(parent, this.Orientation, this.gunTip.Point1, 1000);
target.Complete = target.Target.Expired;
}
nextMove = 3;
}
else
{
switch (target.Objective)
{
case MissionObjective.Visit:
target.Complete = true;
break;
case MissionObjective.Collect:
CollectTarget(target.Target);
target.Complete = true;
break;
case MissionObjective.LayMine:
target.Complete = true;
break;
case MissionObjective.Attack:
FireMissile();
target.Complete = target.Target.Expired;
break;
default:
target.Complete = true;
break;
}
}
}
private void AvoidTarget(ProximityResult prox)
{
// collision avoidance checks
if (prox.Distance < 100)
{
if (prox.GetHeading(this.Orientation) == Heading.Ahead)
{
if ((tickCount % 5 == 0) && (prox.Entity is PlayerVehicle)) // if it's the player, might as well have a pop
{
FireMissile();
}
nextRotate = -0.1;
nextMove = 0;
}
else if (prox.GetHeading(this.Orientation) == Heading.FineAheadLeft)
{
if ((tickCount % 10 == 0) && (prox.Entity is PlayerVehicle)) // if it's the player, might as well have a pop
{
FireMissile();
}
nextRotate = -0.3;
nextMove = 2;
}
else if (prox.GetHeading(this.Orientation) == Heading.FineAheadRight)
{
if ((tickCount % 10 == 0) && (prox.Entity is PlayerVehicle)) // if it's the player, might as well have a pop
{
FireMissile();
}
nextRotate = 0.3;
nextMove = 2;
}
else if (prox.GetHeading(this.Orientation) == Heading.AheadLeft)
{
nextRotate = -0.2;
nextMove = 3;
}
else if (prox.GetHeading(this.Orientation) == Heading.AheadRight)
{
nextRotate = 0.2;
nextMove = 3;
}
else if (prox.GetHeading(this.Orientation) == Heading.Right && prox.Distance < 40)
{
nextRotate = 0.08;
nextMove = 2;
}
else if (prox.GetHeading(this.Orientation) == Heading.Left && prox.Distance < 40)
{
nextRotate = -0.08;
nextMove = 2;
}
else
{
nextMove = 3;
}
}
}
private bool IsAhead(ProximityResult prox)
{
Heading relativeHeading = prox.GetHeading(this.Orientation);
switch (relativeHeading)
{
case Heading.Ahead:
case Heading.AheadLeft:
case Heading.AheadRight:
case Heading.FineAheadLeft:
case Heading.FineAheadRight:
return true;
default:
return false;
}
}
public override ProximityResult DetectProximity(IEntity other)
{
ProximityResult res = base.DetectProximity(other);
if (!(other is Explosion) && res.Collision)
{
// we're dead!
this.Destroy();
other.Destroy();
return res;
}
if (Mission == null || Mission.Complete)
{
return res;
}
IEntity currentTarget = Mission.GetNextUncompletedTarget().Target;
if (res.Entity != currentTarget)
{
if (nearestObject == null)
{
nearestObject = res;
}
else if (res.Distance < nearestObject.Distance && IsAhead(res) && !(res.Entity is Missile) && !(res.Entity is WayPoint) && !(res.Entity is Explosion))
{
nearestObject = res;
}
else if (res.Entity == nearestObject.Entity && res.Distance > nearestObject.Distance)
{
// we're moving away from it so set it to null
nearestObject = null;
}
}
return res;
}
