public static void SetNextMove(this Minecart cart, int yOffset, char currentRail)
{
// Now work out where it'll go next
// We only care if it's on something that'll change it's direction...
if (currentRail == '/' && (cart.NextMove == -1 || cart.NextMove == 1))
{
// Coming to a left turn
cart.TurnLeft(yOffset);
}
else if (currentRail == '/')
{
// Coming to a right turn
cart.TurnRight(yOffset);
}
else if (currentRail == '\\' && (cart.NextMove == -1 || cart.NextMove == 1))
{
// Coming to a right turn from the left
cart.TurnRight(yOffset);
}
else if (currentRail == '\\')
{
// Coming to a left turn from the bottom
cart.TurnLeft(yOffset);
}
else if (currentRail == '+')
{
switch (cart.NextIntersectionBehavior % 3)
{
case 0:
cart.TurnLeft(yOffset);
break;
case 2:
cart.TurnRight(yOffset);
break;
}
cart.NextIntersectionBehavior++;
}
}
public static void TurnRight(this Minecart cart, int yOffset)
{
cart.TurnLeft(yOffset);
cart.NextMove *= -1;
}
