private static void PlaceHill(
int startX,
int endX,
float scale,
DunesBiome.DunesDescription description)
{
Point startPoint = new Point(startX, (int)description.Surface[startX]);
Point endPoint = new Point(endX, (int)description.Surface[endX]);
Point point1 = new Point((startPoint.X + endPoint.X) / 2, (startPoint.Y + endPoint.Y) / 2 - (int)(35.0 * (double)scale));
int num = (endPoint.X - point1.X) / 4;
int minValue = (endPoint.X - point1.X) / 16;
if (description.WindDirection == DunesBiome.WindDirection.Left)
{
point1.X -= WorldGen.genRand.Next(minValue, num + 1);
}
else
{
point1.X += WorldGen.genRand.Next(minValue, num + 1);
}
Point point2 = new Point(0, (int)((double)scale * 12.0));
Point point3 = new Point(point2.X / -2, point2.Y / -2);
DunesBiome.PlaceCurvedLine(startPoint, point1, description.WindDirection != DunesBiome.WindDirection.Left ? point3 : point2, description);
DunesBiome.PlaceCurvedLine(point1, endPoint, description.WindDirection == DunesBiome.WindDirection.Left ? point3 : point2, description);
}
public override bool Place(Point origin, StructureMap structures)
{
int height1 = (int)((double)GenBase._random.Next(60, 100) * (double)this._heightScale);
int height2 = (int)((double)GenBase._random.Next(60, 100) * (double)this._heightScale);
int random1 = this._singleDunesWidth.GetRandom(GenBase._random);
int random2 = this._singleDunesWidth.GetRandom(GenBase._random);
DunesBiome.DunesDescription fromPlacement1 = DunesBiome.DunesDescription.CreateFromPlacement(new Point(origin.X - random1 / 2 + 30, origin.Y), random1, height1);
DunesBiome.DunesDescription fromPlacement2 = DunesBiome.DunesDescription.CreateFromPlacement(new Point(origin.X + random2 / 2 - 30, origin.Y), random2, height2);
this.PlaceSingle(fromPlacement1, structures);
this.PlaceSingle(fromPlacement2, structures);
return(true);
}
private void PlaceSingle(DunesBiome.DunesDescription description, StructureMap structures)
{
int num1 = GenBase._random.Next(3) + 8;
for (int index = 0; index < num1 - 1; ++index)
{
int num2 = (int)(2.0 / (double)num1 * (double)description.Area.Width);
int num3 = (int)((double)index / (double)num1 * (double)description.Area.Width + (double)description.Area.Left) + num2 * 2 / 5 + GenBase._random.Next(-5, 6);
float num4 = (float)(1.0 - (double)Math.Abs((float)index / (float)(num1 - 2) - 0.5f) * 2.0);
DunesBiome.PlaceHill(num3 - num2 / 2, num3 + num2 / 2, (float)((double)num4 * 0.300000011920929 + 0.200000002980232) * this._heightScale, description);
}
int num5 = GenBase._random.Next(2) + 1;
for (int index = 0; index < num5; ++index)
{
int num2 = description.Area.Width / 2;
int num3 = description.Area.Center.X + GenBase._random.Next(-10, 11);
DunesBiome.PlaceHill(num3 - num2 / 2, num3 + num2 / 2, 0.8f * this._heightScale, description);
}
structures.AddStructure(description.Area, 20);
}
private static void PlaceCurvedLine(
Point startPoint,
Point endPoint,
Point anchorOffset,
DunesBiome.DunesDescription description)
{
Point p = new Point((startPoint.X + endPoint.X) / 2, (startPoint.Y + endPoint.Y) / 2);
p.X += anchorOffset.X;
p.Y += anchorOffset.Y;
Vector2 vector2_1 = startPoint.ToVector2();
Vector2 vector2_2 = endPoint.ToVector2();
Vector2 vector2_3 = p.ToVector2();
float num1 = (float)(0.5 / ((double)vector2_2.X - (double)vector2_1.X));
Point point1 = new Point(-1, -1);
for (float amount = 0.0f; (double)amount <= 1.0; amount += num1)
{
Point point2 = Vector2.Lerp(Vector2.Lerp(vector2_1, vector2_3, amount), Vector2.Lerp(vector2_3, vector2_2, amount), amount).ToPoint();
if (!(point2 == point1))
{
point1 = point2;
int num2 = description.Area.Width / 2 - Math.Abs(point2.X - description.Area.Center.X);
int num3 = (int)description.Surface[point2.X] + (int)(Math.Sqrt((double)num2) * 3.0);
for (int index = point2.Y - 10; index < point2.Y; ++index)
{
if (GenBase._tiles[point2.X, index].active() && GenBase._tiles[point2.X, index].type != (ushort)53)
{
GenBase._tiles[point2.X, index].ClearEverything();
}
}
for (int y = point2.Y; y < num3; ++y)
{
GenBase._tiles[point2.X, y].ResetToType((ushort)53);
Tile.SmoothSlope(point2.X, y, true, false);
}
}
}
}
