private void TraceBorder(TilePair tilePair, List <TilePair> borderRoute, IHexMap map)
{
// Abort if current combination is already stored
if (borderRoute.Any(p => p.Neighbour == tilePair.Neighbour && p.HexTile == tilePair.HexTile))
{
return;
}
borderRoute.Add(tilePair);
var nextPair = map.GetNextNeighbourWithDirection(tilePair.HexTile, tilePair.Neighbour);
if (nextPair.Neighbour.Province == null || nextPair.Neighbour.Province.Owner != tilePair.HexTile.Province.Owner)
{
// Move on with current tile and next neighbour province tile
TraceBorder(nextPair, borderRoute, map);
return;
}
// Take next own province tile and current neighbour province tile
var newCurrentProvinceTile = nextPair.Neighbour;
var lastNeighbourProvinceTile = borderRoute.Where(t => t.HexTile == tilePair.HexTile).Select(t => t.Neighbour).Last();
var newPair = map.GetPairWithDirection(newCurrentProvinceTile, lastNeighbourProvinceTile);
if (newPair == null)
{
return;
}
TraceBorder(newPair, borderRoute, map);
}
private List <TilePair> GetOverlap(List <Vector2Int> tilesA, List <Vector2Int> tilesB, bool isVertical, out bool isConnected)
{
var overlap = new List <TilePair>();
isConnected = false;
foreach (var tileA in tilesA)
{
foreach (var tileB in tilesB)
{
if (tileA.x == tileB.x && isVertical)
{
var pair = new TilePair(tileA, tileB);
overlap.Add(pair);
if (tileA.y == tileB.y - 1 || tileA.y == tileB.y + 1)
{
isConnected = true;
}
}
else if (tileA.y == tileB.y && !isVertical)
{
var pair = new TilePair(tileA, tileB);
overlap.Add(pair);
if (tileA.x == tileB.x - 1 || tileA.x == tileB.x + 1)
{
isConnected = true;
}
}
}
}
return(overlap);
}
private void AddPaths(List <Area> areas, int minArea) //connect all unconnected areas in the map.
{
for (int a1 = 1; a1 < areas.Count; a1++) //foreach area
{
TilePair t = ClosestTiles(areas[a1].EdgeTiles, areas[0].EdgeTiles); //the two edge tiles that are the least distance apart
if (t.tilepair != null && areas[a1].Tiles.Count > minArea)
{
ConnectAreas(t.tilepair);
}
else
{
var a = areas[a1];
for (int i = 0; i < areas[a1].Tiles.Count; i++) //fill this area it cannot be connected
{
grid[Convert.ToInt32(a.Tiles[i].x), Convert.ToInt32(a.Tiles[i].y)] = true;
}
}
}
}
private static void ScaleTile(TilePair nw, TilePair se, int lod, int targetlod, out PixelPair pixnw, out PixelPair pixse)
{
se.X++;
se.Y++;
var diff = targetlod - lod;
var factor = Math.Pow(2.0, diff);
var targetnw = new TilePair((int)(nw.X * factor), (int)(nw.Y * factor));
var targetse = new TilePair((int)(se.X * factor), (int)(se.Y * factor));
if (targetnw.X == targetse.X) targetse.X++;
if (targetnw.Y == targetse.Y) targetse.Y++;
if (diff < 0) {
if (targetse.X * (1.0 / factor) < se.X) targetse.X++;
if (targetse.Y * (1.0 / factor) < se.Y) targetse.Y++;
}
pixnw = Pixel(targetnw);
pixse = Pixel(targetse);
}
private static PixelPair Pixel(TilePair tile)
{
int pixx, pixy;
TileSystem.TileXYToPixelXY(tile.X, tile.Y, out pixx, out pixy);
return new PixelPair(pixx, pixy);
}
public Point? GetScreenPosition(TilePair tile)
{
if (!this.IsScreenPositionInferred()) return null;
int pixelx, pixely;
TileSystem.TileXYToPixelXY(tile.X, tile.Y, out pixelx, out pixely);
return this.GetScreenPosition(new PixelPair(pixelx, pixely));
}
public string GetQuadKey(TilePair tile)
{
return QuadKey(tile, this.ZoomLevel);
}
public PixelPair GetPixel(TilePair tile, int tilelod, bool secorner)
{
var srcpix = this.GetPixel(tile);
if (secorner) {
srcpix.X += this.TileSize;
srcpix.Y += this.TileSize;
}
var diff = this.ZoomLevel - tilelod;
var factor = Math.Pow(2.0, diff);
var x = (int)(srcpix.X * factor);
var y = (int)(srcpix.Y * factor);
return new PixelPair(x, y);
}
public PixelPair GetPixel(TilePair tile)
{
return Pixel(tile);
}
public Location GetLocation(TilePair tile, int tilelod, bool secorner)
{
var pixel = this.GetPixel(tile, tilelod, secorner);
double lat, lon;
TileSystem.PixelXYToLatLong(pixel.X, pixel.Y, this.ZoomLevel, out lat, out lon);
return new Location(lat, lon);
}
public static string QuadKey(TilePair tile, int lod)
{
return TileSystem.TileXYToQuadKey(tile.X, tile.Y, lod);
}
public static IEnumerable<TilePair> IterateTiles(TilePair nw, TilePair se, int lod, int targetlod)
{
PixelPair pixnw, pixse;
ScaleTile(nw, se, lod, targetlod, out pixnw, out pixse);
return IterateTiles(pixnw, pixse, targetlod);
}
public static IEnumerable<TilePair> IterateTiles(TilePair nw, TilePair se, int lod)
{
se.X++;
se.Y++;
var pixnw = Pixel(nw);
var pixse = Pixel(se);
return IterateTiles(pixnw, pixse, lod);
}
public static int CountTiles(TilePair nw, TilePair se, int lod, int targetlod)
{
PixelPair pixnw, pixse;
ScaleTile(nw, se, lod, targetlod, out pixnw, out pixse);
return CountTiles(pixnw, pixse, targetlod);
}