private static bool intersects(MapSectionRasterTile tile, int tileSize, Vector position, float radius)
{
// TODO: Change Maths to Intrinsics on net core 3.0
// Find the closest point to the circle within the rectangle
// Calculate the distance between the circle's center and this closest point
float distanceX = position.X - MathUtil.Clamp(position.X, tile.X - tileSize / 2f, tile.X + tileSize / 2f);
float distanceY = position.Y - MathUtil.Clamp(position.Y, tile.Y - tileSize / 2f, tile.Y + tileSize / 2f);
// If the distance is less than the circle's radius, an intersection occurs
return((distanceX * distanceX) + (distanceY * distanceY) < (radius * radius));
}
/// <summary>
///
/// </summary>
/// <param name="mapSection"></param>
/// <param name="tileSize"></param>
internal MapSectionRaster(MapSection mapSection, int tileSize)
{
MapSection = mapSection;
TileSize = tileSize;
//Stopwatch sw = Stopwatch.StartNew();
//float width = mapSection.Left < 0 ? Math.Abs(mapSection.Left) + mapSection.Right : Math.Abs(mapSection.Left - mapSection.Right);
//float height = mapSection.Top < 0 ? Math.Abs(mapSection.Top) + mapSection.Bottom : Math.Abs(mapSection.Top - mapSection.Bottom);
Size = (int)((float)Map.SectionSize / tileSize + 0.5f);
int startX = (int)(mapSection.Left + 0.5f);
int startY = (int)(mapSection.Top + 0.5f);
Tiles = new MapSectionRasterTile[Size * Size];
#region Connecting tiles code
//TopConnectingTiles = new MapSectionRasterConnectingTile[Size];
//RightConnectingTiles = new MapSectionRasterConnectingTile[Size];
//BottomConnectingTiles = new MapSectionRasterConnectingTile[Size];
//LeftConnectingTiles = new MapSectionRasterConnectingTile[Size];
#endregion
MapUnit[] stillUnits = mapSection.StillUnits;
for (int i = 0; i < Tiles.Length; i++)
{
int xIndex = i % Size, yIndex = i / Size;
var tile = new MapSectionRasterTile();
tile.X = startX + tileSize * xIndex + tileSize / 2f;
tile.Y = startY + tileSize * yIndex + tileSize / 2f;
for (int unitIndex = 0; unitIndex < stillUnits.Length; unitIndex++)
{
MapUnit mapUnit = stillUnits[unitIndex];
if (mapUnit == null)
{
break;
}
// TODO: Hier sollte noch eine Überprüfung für spezielle Units rein
// die je nachdem einen Bereich als schlecht oder gut definieren
// Sonne z.B. die Koronas als gut, Blackholes der Wirkungskreis als schlecht
if (mapUnit.IsSolid &&
mapUnit.Mobility == Mobility.Still &&
intersects(tile, tileSize, mapUnit.PositionInternal, mapUnit.RadiusInternal))
{
tile.Status = MapSectionRasterTileStatus.Blocked;
}
}
Tiles[i] = tile;
#region Connecting tiles code
//if (xIndex == 0)
//{
// tile.Status |= MapSectionRasterTileStatus.Connecting;
// LeftConnectingTiles[yIndex] = new MapSectionRasterConnectingTile(tile);
//}
//else if (xIndex == (Size - 1))
//{
// tile.Status |= MapSectionRasterTileStatus.Connecting;
// RightConnectingTiles[yIndex] = new MapSectionRasterConnectingTile(tile);
//}
//if (yIndex == 0)
//{
// tile.Status |= MapSectionRasterTileStatus.Connecting;
// TopConnectingTiles[xIndex] = new MapSectionRasterConnectingTile(tile);
//}
//else if (yIndex == (Size - 1))
//{
// tile.Status |= MapSectionRasterTileStatus.Connecting;
// BottomConnectingTiles[xIndex] = new MapSectionRasterConnectingTile(tile);
//}
#endregion
}
//Console.WriteLine("Raster time: " + sw.Elapsed);
}
public MapSectionRasterConnectingTile(MapSectionRasterTile from)
{
From = from;
}