private static void ProjectileHome(Projectile projectile, ClosestTarget closest, Vector2 target)
{
if (closest.distance <= homeRange)
{
Vector2 direction = target - projectile.Center;
Vector2 normal = new Vector2(direction.Y, -direction.X);
float dotProduct = Vector2.Dot(normal, projectile.velocity);
float angleToTarget = direction.ToRotation();
float angleDifference = projectile.velocity.ToRotation() - angleToTarget;
double rotateSpeed = (projectile.velocity.Length() * 0.004) * (((homeRange - closest.distance) * 0.01) + 1);
rotateSpeed = Math.Min(rotateSpeed, maxRotateSpeed);
if (Math.Abs(angleDifference) >= rotateSpeed)
{
if (dotProduct == 0)
{
projectile.velocity = projectile.velocity.RotatedBy(rotateSpeed);
}
else if (dotProduct > 0)
{
projectile.velocity = projectile.velocity.RotatedBy(rotateSpeed);
//projectile.AngleTo()
}
else if (dotProduct < 0)
{
projectile.velocity = projectile.velocity.RotatedBy(-rotateSpeed);
}
}
else
{
projectile.velocity = Vector2.Normalize((target - projectile.Center)) * projectile.velocity.Length();
}
}
}
public override bool PreAI(Projectile projectile)
{
ProjectileWrapper projWrapper = new ProjectileWrapper(projectile);
if (projWrapper.GetTeam() == Team.PlayerFriendly || projWrapper.GetTeam() == Team.Unknown)
{
ClosestTarget closest = ClosestTarget.Null;
for (int i = 0; i < Main.maxNPCs; i++)
{
NPC npc = Main.npc[i];
if (npc != null && npc.active)
{
NPCWrapper npcWrapper = new NPCWrapper(npc);
if (npc.GetGlobalNPC <NPCTyping>().GetAbility().AttractProjectile(
new AbilityLookup.AttractProjectileParameters(projWrapper, npcWrapper)))
{
ClosestTarget newClosest = new ClosestTarget(npc, projectile);
if (newClosest.distance < closest.distance)
{
closest = newClosest;
}
}
}
}
if (closest.id >= 0)
{
ProjectileHome(projectile, closest, Main.npc[closest.id].Center);
}
}
else if (projWrapper.GetTeam() == Team.EnemyNPC)
{
ClosestTarget closest = ClosestTarget.Null;
for (int i = 0; i < Main.maxPlayers; i++)
{
Player player = Main.player[i];
if (player != null && player.active)
{
PlayerWrapper playerWrapper = new PlayerWrapper(player);
if (playerWrapper.GetModPlayer <PlayerTyping>().GetAbility().AttractProjectile(
new AbilityLookup.AttractProjectileParameters(projWrapper, playerWrapper)))
{
ClosestTarget newClosest = new ClosestTarget(player, projectile);
if (newClosest.distance < closest.distance)
{
closest = newClosest;
}
}
}
}
if (closest.id >= 0)
{
ProjectileHome(projectile, closest, Main.player[closest.id].Center);
}
}
return(base.PreAI(projectile));
}
