public bool LineIsWalkable(Position startPoint, Position targetPoint, Func <Position, bool> isWalkable)
{
if (!_ready)
{
InitializeAlgorithms(_contextManager.Current);
}
foreach (Position position in _rasterLineCreator.GetRasterLine(startPoint.x, startPoint.y, targetPoint.x, targetPoint.y))
{
if (!isWalkable(position))
{
return(false);
}
}
return(true);
}
public HashSet <Position> CalculateFov(Position observerPosition, int sightRange, Func <Position, bool> isPassingLight)
{
var positionsInFov = new HashSet <Position>();
IEnumerable <Position> outlineToCastRaysOn = _fovSquareOutlineCreator.CreateSquareOutline(observerPosition, sightRange);
foreach (Position point in outlineToCastRaysOn)
{
IList <Position> bresenhamLineTiles = _rasterLineCreator
.GetRasterLine(observerPosition.x, observerPosition.y, point.x, point.y, isPassingLight, sightRange, true);
positionsInFov.UnionWith(bresenhamLineTiles);
}
IEnumerable <Position> visibleTilesFromPostProcessing =
_basicFovPostprocessor.PostprocessBasicFov(positionsInFov, observerPosition, sightRange, isPassingLight);
positionsInFov.UnionWith(visibleTilesFromPostProcessing);
return(positionsInFov);
}
private void PresentSelectionPath(Position playerPosition, Position newMarkerPosition)
{
Stopwatch stopwatch = Stopwatch.StartNew();
IList <Position> positions = _rasterLineCreator.GetRasterLine(playerPosition.x, playerPosition.y, newMarkerPosition.x, newMarkerPosition.y);
// Debug.Log("raster: " + stopwatch.ElapsedMilliseconds);
stopwatch.Restart();
_tileMatrixUpdater.ClearForTile(_gameConfig.Tileset.SelectionPathMarker);
// Debug.Log("clean: " + stopwatch.ElapsedMilliseconds);
stopwatch.Restart();
foreach (Position position in positions.Skip(1))
{
_tileMatrixUpdater.Set(position, _gameConfig.Tileset.SelectionPathMarker);
}
_tileMatrixUpdater.Set(positions.Last(), _gameConfig.Tileset.SelectionFinishMarker);
// Debug.Log("set: " + stopwatch.ElapsedMilliseconds);
}