/// <summary>
/// Calculates if shortcut should be placed.
/// </summary>
/// <param name="wallTile"></param>
/// <param name="otherWallTile"></param>
/// <param name="direction"></param>
/// <returns></returns>
private bool CheckIfUsefulToPlace(Vector2Int wallTile, Vector2Int otherWallTile, Vector2Int direction)
{
// calculate tiles to run pathfinding on
Vector2Int[] tilesToCalculateFrom = new Vector2Int[2];
Vector2Int[] tilesToCalculateTo = new Vector2Int[2];
double[] costs = new double[2];
tilesToCalculateFrom[0] = new Vector2Int(wallTile.x - direction.x, wallTile.y - direction.y);
tilesToCalculateFrom[1] = new Vector2Int(wallTile.x - direction.x + Math.Abs(direction.y) * m_tunnelWidth, wallTile.y - direction.y + Math.Abs(direction.x) * m_tunnelWidth);
tilesToCalculateTo[0] = new Vector2Int(otherWallTile.x + direction.x, otherWallTile.y + direction.y);
tilesToCalculateTo[1] = new Vector2Int(otherWallTile.x + direction.x + Math.Abs(direction.y) * m_tunnelWidth, otherWallTile.y + direction.y + Math.Abs(direction.x) * m_tunnelWidth);
// run DStarLite twice
GameEnvironment ge = GameEnvironment.CreateInstance(m_map, new List <Tile>()
{
Tile.Wall, Tile.Reflector
});
DStarLite dStarLite = new DStarLite(ge, true);
dStarLite.RunDStarLite(tilesToCalculateFrom[0], tilesToCalculateTo[0]);
costs[0] = dStarLite.Map.GetNode(tilesToCalculateFrom[0].x, tilesToCalculateFrom[0].y).CostFromStartingPoint;
dStarLite.RunDStarLite(tilesToCalculateFrom[1], tilesToCalculateTo[1]);
costs[1] = dStarLite.Map.GetNode(tilesToCalculateFrom[1].x, tilesToCalculateFrom[1].y).CostFromStartingPoint;
// see if the distance between the two points without a shortcut is larger than the minimum distance
if (costs[0] >= m_shortcutMinSkipDistance && costs[1] >= m_shortcutMinSkipDistance)
{
return(true);
}
else
{
return(false);
}
}
private void OnEnable()
{
m_environment = GameEnvironment.CreateInstance(BoardManager.GetMap(), new List <Tile>()
{
Tile.Wall, Tile.BreakableWall, Tile.Reflector
});
m_searchBehaviour = GetComponent <SearchBehaviour>();
m_attackBehaviour = GetComponent <AttackBehaviour>();
m_sonarBehaviour = GetComponent <SonarBehaviour>();
m_searchBehaviour.Environment = m_environment;
m_attackBehaviour.Environment = m_environment;
}