private void TryUpdateBehavior(int midX, int midY)
{
// If there is no character in sight, check for a new one:
if (this.charBeingChased is Character == false)
{
int objectId = this.WatchForCharacter(midX, midY);
if (objectId > 0)
{
this.charBeingChased = (Character)this.actor.room.objects[(byte)LoadOrder.Character][objectId];
}
}
// Prepare Values
int frame = Systems.timer.Frame;
// Get distance from Character, if applicable.
int destX = this.charBeingChased is Character ? this.charBeingChased.posX + this.charBeingChased.bounds.MidX : midX;
int destY = this.charBeingChased is Character ? this.charBeingChased.posY + this.charBeingChased.bounds.MidY : midY;
int distance = FPTrigCalc.GetDistance(FVector.Create(midX, midY), FVector.Create(destX, destY)).RoundInt;
// Assign New Chase Action (When Action Time Expires).
// Flee
if (this.flee > 0 && distance < this.flee)
{
this.quickAct = ChaseAction.Flee;
}
// Chase
else if (this.chase > 0 && distance <= this.chase)
{
this.quickAct = ChaseAction.Chase;
}
// Return to Start Position
else if (this.returns)
{
if (this.quickAct == ChaseAction.Return || (this.quickAct == ChaseAction.Wait && this.waitEndFrame < frame))
{
this.quickAct = ChaseAction.Return;
}
else
{
this.quickAct = ChaseAction.Wait;
this.waitEndFrame = this.waitEndFrame < frame ? frame + this.retDelay : this.waitEndFrame;
}
}
// Standard: Do Nothing
else
{
this.quickAct = ChaseAction.Standard;
}
}
public override void RunTick()
{
base.RunTick();
// Get Center Bounds
int midX = this.posX + this.bounds.MidX;
int midY = this.posY + this.bounds.MidY;
// Only change behaviors every 16 frames.
if (Systems.timer.frame16Modulus == 15)
{
this.WatchForCharacter(midX, midY);
}
// Check for any attack to make this round.
if (this.charWatched is Character && this.attack.AttackThisFrame())
{
// Get distance from Character, if applicable.
int destX = this.charWatched is Character ? this.charWatched.posX + this.charWatched.bounds.MidX - 10 : midX;
int destY = this.charWatched is Character ? this.charWatched.posY + this.charWatched.bounds.MidY - 10 : midY;
int distance = FPTrigCalc.GetDistance(FVector.Create(midX, midY), FVector.Create(destX, destY)).RoundInt;
if (distance < ViewDistance)
{
FInt rotation = FPRadians.GetRadiansBetweenCoords(midX, midY, destX, destY);
this.rotation = (float)rotation.ToDouble();
if (this.attCount != 2)
{
this.ShootBolt(rotation, midX, midY);
}
if (this.attCount > 1)
{
this.ShootBolt(rotation + attSpread, midX, midY);
this.ShootBolt(rotation - attSpread, midX, midY);
}
this.room.PlaySound(Systems.sounds.bolt, 0.6f, this.posX + 16, this.posY + 16);
}
}
}
public override void RunTick()
{
// Update the rotation to move toward.
int midX = this.actor.posX + this.actor.bounds.MidX;
int midY = this.actor.posY + this.actor.bounds.MidY;
// Only change behaviors every 16 frames.
if (Systems.timer.frame16Modulus == 7)
{
this.TryUpdateBehavior(midX, midY);
}
// Get distance from Character, if applicable.
int destX = this.charBeingChased is Character ? this.charBeingChased.posX + this.charBeingChased.bounds.MidX : midX;
int destY = this.charBeingChased is Character ? this.charBeingChased.posY + this.charBeingChased.bounds.MidY : midY;
int distance = FPTrigCalc.GetDistance(FVector.Create(midX, midY), FVector.Create(destX, destY)).RoundInt;
// Stall
if (this.stall > 0 && distance < this.stall)
{
if (this.physics.velocity.X != 0)
{
this.physics.velocity.X *= FInt.Create(0.85);
}
if (this.physics.velocity.Y != 0)
{
this.physics.velocity.Y *= FInt.Create(0.85);
}
return;
}
// Stop Chasing
if (this.quickAct == ChaseAction.Standard || this.quickAct == ChaseAction.Wait)
{
if (this.physics.velocity.X != 0)
{
this.physics.velocity.X *= FInt.Create(0.9);
}
if (this.physics.velocity.Y != 0)
{
this.physics.velocity.Y *= FInt.Create(0.9);
}
return;
}
// Return to Starting Position
if (this.quickAct == ChaseAction.Return)
{
destX = (int)this.startPos.X;
destY = (int)this.startPos.Y;
}
FInt newVelX = FInt.Create(0);
FInt newVelY = FInt.Create(0);
// Chase or Flee
if (this.axis == (byte)FlightChaseAxis.Both)
{
if (Math.Abs(midX - destX) < 2 && Math.Abs(midY - destY) <= 2)
{
this.physics.velocity.X *= FInt.Create(0.90);
this.physics.velocity.Y *= FInt.Create(0.90);
return;
}
FInt rotRadian = FPRadians.GetRadiansBetweenCoords(midX, midY, destX, destY);
newVelX = FPRadians.GetXFromRotation(rotRadian, this.speed);
newVelY = FPRadians.GetYFromRotation(rotRadian, this.speed);
}
// Vertical Movement Only
else if (this.axis == (byte)FlightChaseAxis.Vertical)
{
if (Math.Abs(midY - destY) <= 2)
{
this.physics.velocity.Y *= FInt.Create(0.90); return;
}
FInt rotRadian = FPRadians.GetRadiansBetweenCoords(0, midY, 0, destY);
newVelY = FPRadians.GetYFromRotation(rotRadian, this.speed);
}
// Horizontal Movement Only
else
{
if (Math.Abs(midX - destX) <= 2)
{
this.physics.velocity.X *= FInt.Create(0.90); return;
}
FInt rotRadian = FPRadians.GetRadiansBetweenCoords(midX, 0, destX, 0);
newVelX = FPRadians.GetXFromRotation(rotRadian, this.speed);
}
// Flee
if (this.quickAct == ChaseAction.Flee)
{
newVelX = newVelX.Inverse;
newVelY = newVelY.Inverse;
}
FInt accel = this.speed * FInt.Create(0.02);
if (this.physics.velocity.X > newVelX)
{
this.physics.velocity.X -= accel;
}
else if (this.physics.velocity.X < newVelX)
{
this.physics.velocity.X += accel;
}
if (this.physics.velocity.Y > newVelY)
{
this.physics.velocity.Y -= accel;
}
else if (this.physics.velocity.Y < newVelY)
{
this.physics.velocity.Y += accel;
}
}