private void ShowAlgorithm(bool randomize)
{
if (!_isInitialized || _manager == null)
{
return;
}
object item = AlgorithmCombo.SelectedItem;
string message = null, general =
"Source is blue diamond, node costs are green numbers, black is impassable.";
if (item == AStarAlgorithm)
{
message = _manager.ShowAStar() ?
"Red squares indicate best path from source to marked target node." :
"Could find no connecting path due to impassable random terrain.";
}
else if (item == CoverageAlgorithm)
{
message = _manager.ShowCoverage(randomize) ?
"Red squares indicate reachable nodes with a maximum path cost of 10." :
"Could find no reachable locations due to impassable random terrain.";
}
else if (item == FloodFillAlgorithm)
{
message = _manager.ShowFloodFill(randomize) ?
"Red squares indicate connected nodes with up to 1/2 maximum node cost." :
"Cound find no matching locations due to impassable random terrain.";
}
else if (item == VisibilityAlgorithm)
{
message = _manager.ShowVisibility(randomize) ?
"Red squares indicate visible nodes. Impassable nodes block the view." :
"Cound find no visible locations due to obscuring random terrain.";
}
Description.Text = String.Format("{0}\n{1}", general, message);
RandomSourceButton.IsEnabled = (item != AStarAlgorithm);
ThresholdUpDown.Enabled = (item == VisibilityAlgorithm);
}