public static MabiPacket SpawnEffect(MabiEntity entity, SpawnEffect type)
{
return SpawnEffect(entity, type, entity.GetPosition());
}
/// <summary>
/// Lets the creature face the target.
/// </summary>
/// <param name="creature"></param>
/// <param name="target"></param>
/// <returns></returns>
public static MabiPacket TurnTo(MabiEntity creature, MabiEntity target)
{
var cpos = creature.GetPosition();
var tpos = target.GetPosition();
var p = new MabiPacket(Op.TurnTo, creature.Id);
p.PutFloat((float)tpos.X - (float)cpos.X);
p.PutFloat((float)tpos.Y - (float)cpos.Y);
return p;
}
protected IEnumerable Circle(MabiEntity center, bool clockwise, int radius, bool wait)
{
var centerPos = center.GetPosition();
var myPos = this.Creature.GetPosition();
var deltaX = (double)myPos.X - (double)centerPos.X;
var deltaY = (double)myPos.Y - (double)centerPos.Y;
var angle = Math.Atan2(deltaY, deltaX);
angle += (clockwise ? -1 : 1) * rnd.NextDouble() * (Math.PI / 6);
var x = (int)(Math.Cos(angle) * radius);
var y = (int)(Math.Sin(angle) * radius);
var dest = new MabiVertex(centerPos.X + x, centerPos.Y + y);
foreach (var a in WalkTo(dest, wait))
yield return a;
}
/// <summary>
/// Calculates a position on the line between source and target.
/// e.g. distance 0 would be the position of target, 100 would be
/// 100 points farther away from source.
/// </summary>
public static MabiVertex CalculatePosOnLine(MabiEntity source, MabiEntity target, int distance)
{
return CalculatePosOnLine(source.GetPosition(), target.GetPosition(), distance);
}
public List<MabiEntity> GetEntitiesInRange(MabiEntity entity, uint range = 0)
{
var pos = entity.GetPosition();
return this.GetEntitiesInRange(entity.Region, pos.X, pos.Y, range);
}
/// <summary>
/// Checks distance between the entity and the coordinates, does not check region.
/// </summary>
public static bool InRange(MabiEntity entity, uint x, uint y, uint range = 0)
{
var pos = entity.GetPosition();
return InRange(pos.X, pos.Y, x, y, range);
}
// Range and position calculations
// ==================================================================
/// <summary>
/// Checks distance between the two entities, does not check region.
/// </summary>
public static bool InRange(MabiEntity c1, MabiEntity c2, uint range = 0)
{
return InRange(c1.GetPosition(), c2.GetPosition(), range);
}