public PowerProjectile(World world, int actorSNO, Vector3D position, Vector3D aimPosition, float speed,
float timetolive, float scale = 1.35f, float collisionError = 3f,
float heightOffset = 0, float distanceOffset = 0, bool handleTranslation = false)
: base(world, actorSNO)
{
this.startingPosition = new Vector3D(position);
this.startingPosition.Z += heightOffset;
this.speed = speed;
this.timetolive = timetolive;
this.collisionError = collisionError + heightOffset;
//Timeout = new TickSecondsTimer(this.World.Game, timetolive / 1000f);
//Save projectile creation tick
this.creationTick = this.World.Game.TickCounter;
// FIXME: This is hardcoded crap
this.Field2 = 0x8;
this.Field3 = 0x0;
this.Scale = 1f;
this.GBHandle.Type = (int)GBHandleType.Monster; this.GBHandle.GBID = 1;
this.Field7 = 0x00000001;
//this.Field8 = this.SNOId;
this.Field10 = 0x1;
this.Field11 = 0x1;
this.Field12 = 0x1;
this.Field13 = 0x1;
this.CollFlags = 0x4;
//Calculate Quaternion info
this.radianAngle = PowerMath.AngleLookAt(startingPosition, aimPosition);
//Assign quaternion info
this.RotationAmount = (float)Math.Cos(this.radianAngle / 2);
this.RotationAxis.X = 0f;
this.RotationAxis.Y = 0f;
this.RotationAxis.Z = (float)Math.Sin(this.radianAngle / 2);
//Normalize position / aimPosition Vector
Vector3D vel_normal = PowerMath.Normalize(new Vector3D(aimPosition.X - startingPosition.X,
aimPosition.Y - startingPosition.Y,
0f));
this.velocity = new Vector3D(vel_normal.X * speed, vel_normal.Y * speed, vel_normal.Z * speed);
//Adjust projectile distance from player
this.startingPosition.X += this.velocity.X * distanceOffset;
this.startingPosition.Y += this.velocity.Y * distanceOffset;
this.Position = this.startingPosition;
this.World.Enter(this); // Enter only once all fields have been initialized to prevent a run condition
//If the creator dont specify he want to manipulate the projectil itself, launch it
if (!handleTranslation)
{
this.launch();
}
}
private void _SetupMove(Vector3D destination, float speed)
{
Vector3D dir_normal = PowerMath.Normalize(new Vector3D(destination.X - this.Target.Position.X,
destination.Y - this.Target.Position.Y,
0f)); // were not moving in 3d for now
this.Velocity = new Vector3D(dir_normal.X * speed,
dir_normal.Y * speed,
dir_normal.Z * speed);
this.ArrivalTime = new RelativeTickTimer(this.Target.World.Game,
(int)(PowerMath.Distance2D(this.Target.Position, destination) / speed));
_startPosition = this.Target.Position;
_endPosition = destination;
_startTick = this.Target.World.Game.TickCounter;
}
private void _SetupArcMove(Vector3D destination, float crestHeight, float gravity)
{
// TODO: handle when target and destination heights differ
float absGravity = Math.Abs(gravity);
float arcLength = (float)Math.Sqrt(2f * crestHeight / absGravity);
int arrivalTicks = (int)(arcLength * 2f);
float distance = PowerMath.Distance2D(this.Target.Position, destination);
Vector3D normal = PowerMath.Normalize(new Vector3D(destination.X - this.Target.Position.X,
destination.Y - this.Target.Position.Y,
0f));
this.Velocity = new Vector3D(normal.X * (distance / arrivalTicks),
normal.Y * (distance / arrivalTicks),
absGravity * arcLength);
this.ArrivalTime = new RelativeTickTimer(this.Target.World.Game, arrivalTicks);
_startPosition = this.Target.Position;
_endPosition = destination;
_startTick = this.Target.World.Game.TickCounter;
_arcGravity = gravity;
}
