/// <summary>
/// Sets the sprite's next move.
/// Used only by MovementAIs.
/// </summary>
/// <param name="direction"></param>
/// <param name="map"></param>
/// <seealso cref="PlanAction"/>
public void PlanMove(Dir direction, Map map)
{
nextMove = Dir.None;
if (moving == Dir.None && direction != Dir.None) {
facing = direction;
graphic.SetDirection(direction);
graphic.SetState("still");
}
switch (direction) {
case Dir.Up:
if (map.IsPassable(x, y - 1, layer)) {
nextMove = Dir.Up;
}
else if (moving == Dir.None) {
map.OnCollide(x, y - 1, layer, this);
}
break;
case Dir.Down:
if (map.IsPassable(x, y + 1, layer)) {
nextMove = Dir.Down;
}
else if (moving == Dir.None) {
map.OnCollide(x, y + 1, layer, this);
}
break;
case Dir.Left:
if (map.IsPassable(x - 1, y, layer)) {
nextMove = Dir.Left;
}
else if (moving == Dir.None) {
map.OnCollide(x - 1, y, layer, this);
}
break;
case Dir.Right:
if (map.IsPassable(x + 1, y, layer)) {
nextMove = Dir.Right;
}
else if (moving == Dir.None) {
map.OnCollide(x + 1, y, layer, this);
}
break;
}
}
