/// <summary>
/// Given an old position and a direction, this method returns
/// a new position based on that direction.
/// </summary>
/// <param name="oldPos">The old position.</param>
/// <param name="direction">The direction to move.</param>
/// <returns>The new position.</returns>
public static Position GetNewPosition(Position oldPos, Direction direction)
{
Position pos = oldPos.Clone();
switch (direction) {
case Direction.NORTH:
pos.y--;
break;
case Direction.EAST:
pos.x++;
break;
case Direction.SOUTH:
pos.y++;
break;
case Direction.WEST:
pos.x--;
break;
default:
Log.WriteLine("Unknown direction: " + direction);
break;
}
return pos;
}
/// <summary>
/// Gets a position for which a creature could be added.
/// Returns null if all the spaces around this position are taken.
/// </summary>
/// <param name="curPos">The position to add the creature.</param>
/// <param name="creatureFor">The creature to add.</param>
/// <returns>A free space or null if all spaces are taken.</returns>
public Position GetFreePosition(Position curPos, Creature creatureFor)
{
Position tempPos = curPos.Clone();
if (!TileContainsType(curPos, Constants.TYPE_BLOCKS_AUTO_WALK)) {
return tempPos;
}
for (int i = -1; i <= 1; i++) {
for (int j = -1; j <= 1; j++) {
tempPos.x = (ushort)(curPos.x + i);
tempPos.y = (ushort)(curPos.y + j);
if (!TileContainsType(tempPos, Constants.TYPE_BLOCKS_AUTO_WALK)) {
return tempPos;
}
}
}
return null;
}
