/// <summary>
/// Processes the grid southwards and assigns all distances per tile in the southward direction.
/// </summary>
private void ProcessGridSouthwards(NavTileSurfaceData inData)
{
int currentDistance = 0;
RectInt gridBounds = inData.GridBounds.AsRect();
Vector2Int coordinate = new Vector2Int();
for (coordinate.x = gridBounds.xMin; coordinate.x <= gridBounds.xMax; coordinate.x++)
{
for (coordinate.y = gridBounds.yMin; coordinate.y <= gridBounds.yMax; coordinate.y++)
{
TileData tile = inData.GetTileData(coordinate);
if (tile == null)
{
continue;
}
AdditionalJPSPlusData addedData = tile.AdditionalData;
if (coordinate.y == gridBounds.yMin ||
!inData.IsTileWalkable(coordinate + new Vector2Int(0, -1), 1))
{
addedData.SetJumpDistance(JumpPointDirection.South, 0);
}
else if (inData.IsTileWalkable(coordinate + new Vector2Int(0, -1), 1) &&
(inData.GetTileData(coordinate + new Vector2Int(0, -1))?.AdditionalData.GetJumpDistance(JumpPointDirection.West) > 0 ||
inData.GetTileData(coordinate + new Vector2Int(0, -1))?.AdditionalData.GetJumpDistance(JumpPointDirection.East) > 0))
{
addedData.SetJumpDistance(JumpPointDirection.South, 1);
}
else
{
currentDistance = inData.GetTileData(coordinate + new Vector2Int(0, -1)).AdditionalData.GetJumpDistance(JumpPointDirection.South);
if (currentDistance > 0)
{
addedData.SetJumpDistance(JumpPointDirection.South, currentDistance + 1);
}
else
{
addedData.SetJumpDistance(JumpPointDirection.South, currentDistance - 1);
}
}
}
}
}
/// <summary>
/// Checks whether the given position has a traversable node in the given direction next to it.
/// </summary>
private bool HasAdjacentTraverseNode(Vector2Int inPosition, JumpPointDirection inDirection, NavTileSurfaceData inData)
{
Vector2Int adjacentCoordinate = GetNextPositionInDirection(inPosition, inDirection);
return(inData.IsTileWalkable(adjacentCoordinate, 1));
}