private static void PlaceTile(this HexSector sector, Terrain terrain, bool CanOverwrite = false)
{
var possibleTiles = CanOverwrite
? sector.ChildTiles
: sector.ChildTiles.Where(x => x.Terrain == Terrain.Space).ToList();
possibleTiles[Random.Range(0, possibleTiles.Count)].SetTerrain(terrain);
}
//Generic function to spread terrain. You can use the combination of spread and carry chance to play around with non-contiguous results.
// canBreakOut can be used to constrain spread to just this sector.
private static void SeedTerrain(this HexSector sector, Terrain terrain, int passes, float convertChance, float spreadChance = 1f, bool canBreakOut = true, bool canOverwrite = false)
{
//Pick a random place to start.
var emptyTiles = sector.ChildTiles.Where(x => x.Terrain == Terrain.Space).ToList();
var seedTile = emptyTiles[Random.Range(0, emptyTiles.Count)];
var openList = new List <HexTile> {
seedTile
};
var closedList = new List <HexTile> {
seedTile
};
seedTile.Terrain = terrain;
for (var i = 0; i < passes; i++)
{
var tilesToAdd = new List <HexTile>();
var tilesToRemove = new List <HexTile>();
foreach (var tile in openList)
{
//If a given neighbour of the tiles in openList HASN'T already been considered, we add it.
//Then, it has a chance to get assigned the terrain, or to pass on its genes to its own neighbours.
tilesToAdd.AddRange(tile.Neighbours.Where(x => !closedList.Contains(x) && Random.value <= spreadChance).ToList());
if (Random.value <= convertChance && (canBreakOut || tile.ParentSector == seedTile.ParentSector) && (canOverwrite || tile.Terrain == Terrain.Space))
{
tile.SetTerrain(terrain);
}
tilesToRemove.Add(tile);
closedList.Add(tile);
}
openList.AddRange(tilesToAdd);
foreach (var tile in tilesToRemove)
{
openList.Remove(tile);
}
}
}
public void SetTerrain(Terrain type)
{
Terrain = type;
Sprite = Resources.Load <Sprite>("Sprites/Map/" + Terrain);
}