private static void InfectArea(GenerationProgress progress)
{
var area = BiomeManager.Get <Epicenter>().Area;
var widthL = SurfaceWidth / 2f; // The left side of the biome's width.
var widthR = SurfaceWidth / 2f; // The right side of the biome's width.
var j = area.Top; // The current iterator. We iterate from top to bottom via rows.
// Just a shortcut function :P
void InfectRow()
{
for (int i = area.Center.X - (int)widthL; i < area.Center.X + (int)widthR; i++)
{
TileExtensions.Infect(i, j);
}
}
float GetJPercent() => (j - area.Top) / (float)area.Height;
// Initial surface. Skinny.
for (; GetJPercent() < 0.1 && widthL + widthR < area.Width; j++)
{
widthL += Rand(-1, 1);
widthR += Rand(-1, 1);
InfectRow();
}
progress.Value = 0.3f;
float inc = 1f; // How the shape of the biome should expand/
// Expansion. The underground is a lot larger than the above ground.
for (; GetJPercent() < 0.5 && widthL + widthR < area.Width; j++)
{
inc += 0.01f;
widthL += Rand(-inc / 3, inc);
widthR += Rand(-inc / 3, inc);
InfectRow();
}
progress.Value = 0.5f;
// The more jagged edges of the bottom of the biome's bottom
inc = 0f;
for (; GetJPercent() < 0.8; j++)
{
inc += 0.02f;
widthL += Rand(-inc, inc);
widthR += Rand(-inc, inc);
InfectRow();
}
progress.Value = 0.7f;
// Finally, close the bottom of the biome
for (; GetJPercent() < 1 && widthL + widthR > 0 && inc > 0; j++)
{
inc -= 0.065f;
widthL += Rand(-inc - 1, inc / 2);
widthR += Rand(-inc - 1, inc / 2);
InfectRow();
}
progress.Value = 0.9f;
}
public void Generate(GenerationProgress progress)
{
const int lostCityHeight = 175;
progress.Message = "Clearing out the Lost City";
Rectangle tunnels = BiomeManager.Get <Epicenter.Mouth>().Tunnels;
Rectangle area = BiomeManager.Get <LostCity>().Area = new Rectangle(tunnels.X, tunnels.Bottom - 10, tunnels.Width, lostCityHeight);
var noise = new FastNoise(WorldGen._genRandSeed)
{
NoiseType = FastNoise.NoiseTypes.CubicFractal,
FractalType = FastNoise.FractalTypes.Billow,
Frequency = 0.08f
};
var focal = new Vector2(area.Center.X, (int)(area.Top + area.Width * 0.8));
var maxMiddleDist = (area.TopLeft() - focal).LengthSquared();
for (int i = area.Left; i < area.Right; i++)
{
for (int j = area.Top; j < area.Bottom; j++)
{
var middleDist = (new Vector2(i, j) - focal).LengthSquared() / maxMiddleDist;
var result = noise.GetNoise(i, j);
if (result < -0.52f * (1 + middleDist))
{
WorldGen.KillTile(i, j);
}
}
}
}
public void Generate(GenerationProgress progress)
{
progress.Message = "Building up the Lost City";
var leftSide = InstantiateBuildings(Biome.Area.X - 10, Biome.Area.Bottom, -1);
var rightSide = InstantiateBuildings(Biome.Area.X + 10, Biome.Area.Bottom, +1);
ErectBuildings(leftSide);
ErectBuildings(rightSide);
BiomeManager.Get<LostCity>().buildings = leftSide.Concat(rightSide).ToList();
}
public override void Update(GameTime gameTime)
{
base.Update(gameTime);
float targetFade = Math.Min(1, BiomeManager.Get <Epicenter>().TileCounts / (float)BiomeManager.Get <Epicenter>().TileCountThreshold / 5);
Instance.Fade += (targetFade - Instance.Fade) / 60;
if (Instance.Fade < 0.01f && targetFade == 0)
{
Instance.Fade = 0;
}
}
private static void SetArea(GenerationProgress progress)
{
var xPercent = ConfigReader.Get <float>("worldgen.epicenter.world edge offset");
var dungeonLeft = Main.dungeonX < Main.maxTilesX / 2;
var width = (int)(Main.maxTilesX * 0.08);
var height = (int)(Main.maxTilesY * 0.7);
int x = (int)(!dungeonLeft
? xPercent * Main.maxTilesX
: (1 - xPercent) * Main.maxTilesX - width
);
int y = WorldgenExtensions.GetHighestInRange(x + width / 2 - SurfaceWidth / 2, x + width / 2 + SurfaceWidth / 2, (int)WorldGen.worldSurfaceLow, p => WorldGen.SolidOrSlopedTile(p.X, p.Y));
BiomeManager.Get <Epicenter>().Area = new Rectangle(x, y, width, height);
progress.Value = 0.1f;
}
public void Generate(GenerationProgress progress)
{
progress.Message = "Decorating the Lost City";
var buildings = BiomeManager.Get<LostCity>().buildings;
foreach (var building in buildings)
{
for (int j = building.Area.Top; j <= building.Area.Bottom; j += building.FloorHeight)
{
for (int i = building.Area.Left + 1; i < building.Area.Right; i++)
{
IterateFloor(i, j, j == building.Area.Bottom);
}
}
}
GenLostChest(buildings);
}
public override bool IsVisible()
{
return(BiomeManager.Get <Epicenter>().TileCounts > 0 || Fade > 0);
}
private static void GeneratePit(int i, int j)
{
int basinDepth = ConfigReader.Get <int>("worldgen.mouth.basin depth");
float widthL = 3;
float widthR = 3;
float inc = 0;
void ClearRow()
{
int left = i - (int)widthL;
int right = i + (int)widthR;
for (int k = left; k <= right; k++)
{
WorldGen.KillTile(k, j);
if (!InfectiousWall.InfectWall(k, j))
{
Framing.GetTileSafely(k, j).wall = (ushort)InfectiousWall.Default;
}
}
}
float GetJPercent() => (j - Area.Top) / (float)Area.Height;
// Create the opening
for (; GetJPercent() < 0.15f && widthL + widthR < Epicenter.SurfaceWidth * 0.8; j++)
{
inc += 0.07f;
widthL += WorldGen.genRand.NextFloat(-inc / 2, inc);
widthR += WorldGen.genRand.NextFloat(-inc / 2, inc);
ClearRow();
}
Rectangle basin = new Rectangle(i - (int)widthL, j, (int)(widthL + widthR), basinDepth);
// Create the "stomach" area
int oldJ = j;
for (; j < oldJ + basinDepth; j++)
{
widthL += WorldGen.genRand.NextFloat(-1, 1);
widthR += WorldGen.genRand.NextFloat(-1, 1);
ClearRow();
}
for (; widthL + widthR > 0 && inc > 0; j++)
{
inc -= 0.015f;
widthL += WorldGen.genRand.NextFloat(-inc - 1, inc / 2);
widthR += WorldGen.genRand.NextFloat(-inc - 1, inc / 2);
ClearRow();
}
int lowest = WorldgenExtensions.GetLowestInRange(basin.Left, basin.Right, basin.Top, p => WorldGen.SolidOrSlopedTile(p.X, p.Y));
basin.Height = lowest - basin.Top;
BiomeManager.Get <Mouth>().Basin = basin;
}
