/// <summary>Super brute-force road tile sequencer.</summary>
private static TileType GetTerrainType(TerrainGenerator terrainGenerator, int x, int y)
{
WorldTile nTile = terrainGenerator.GetTile(x, y + 1);
WorldTile eTile = terrainGenerator.GetTile(x + 1, y);
WorldTile wTile = terrainGenerator.GetTile(x - 1, y);
WorldTile sTile = terrainGenerator.GetTile(x, y - 1);
if (terrainGenerator.Tiles[x, y].IsOpen())
{
// this tile is a road. what is adjacent?
if (nTile?.IsOpen() == true)
{
if (eTile?.IsOpen() == true)
{
if (wTile?.IsOpen() == true)
{
if (sTile?.IsOpen() == true)
{
return(TileType.DirtRoad_NEWS);
}
else
{
return(TileType.DirtRoad_NEW);
}
}
else if (sTile?.IsOpen() == true)
{
return(TileType.DirtRoad_NES);
}
else
{
return(TileType.DirtRoad_NE);
}
}
else if (wTile?.IsOpen() == true)
{
if (sTile?.IsOpen() == true)
{
return(TileType.DirtRoad_NSW);
}
else
{
return(TileType.DirtRoad_NW);
}
}
else if (sTile?.IsOpen() == true)
{
return(TileType.DirtRoad_NS);
}
else
{
return(TileType.HalfGrass_SN);
}
}
else if (eTile?.IsOpen() == true)
{
if (wTile?.IsOpen() == true)
{
if (sTile?.IsOpen() == true)
{
return(TileType.DirtRoad_ESW);
}
else
{
return(TileType.DirtRoad_EW);
}
}
else if (sTile?.IsOpen() == true)
{
return(TileType.DirtRoad_ES);
}
else
{
return(TileType.HalfGrass_WE);
}
}
else if (wTile?.IsOpen() == true)
{
if (sTile?.IsOpen() == true)
{
return(TileType.DirtRoad_SW);
}
else
{
return(TileType.HalfGrass_EW);
}
}
else if (sTile?.IsOpen() == true)
{
return(TileType.HalfGrass_NS);
}
}
// this is not a road tile
return(UnityEngine.Random.value > 0.5f ? TileType.Grass : TileType.Grass2);
}