public void Attack()
{
// TODO:
// * Allow target to be passed in.
// * Allow move to be passed in.
// TODO:
// * FieldSlot is null here but set inside the AttackCommand. This is temporary until there's a UI.
// * Attack is just the first attack. This is temporary until the player can select from a list of attacks.
var attackCommand = AttackCommand.Create(this, ActiveCharacter, null, ActiveCharacter.Attack);
AttackSelected.InvokeSafe(attackCommand);
SetReady();
}