CorruptionPitBiome.cs

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using Microsoft.Xna.Framework;
using Terraria.ID;
using Terraria.WorldBuilding;
 
namespace Terraria.GameContent.Biomes;
 
public class CorruptionPitBiome : MicroBiome
{
    public static bool[] ValidTiles = TileID.Sets.Factory.CreateBoolSet(true, 21, 31, 26);
 
    public override bool Place(Point origin, StructureMap structures)
    {
        if (WorldGen.SolidTile(origin.X, origin.Y) && GenBase._tiles[origin.X, origin.Y].wall == 3)
        {
            return false;
        }
        if (!WorldUtils.Find(origin, Searches.Chain(new Searches.Down(100), new Conditions.IsSolid()), out origin))
        {
            return false;
        }
        if (!WorldUtils.Find(new Point(origin.X - 4, origin.Y), Searches.Chain(new Searches.Down(5), new Conditions.IsTile(25).AreaAnd(8, 1)), out var _))
        {
            return false;
        }
        ShapeData shapeData = new ShapeData();
        ShapeData shapeData2 = new ShapeData();
        ShapeData shapeData3 = new ShapeData();
        for (int i = 0; i < 6; i++)
        {
            WorldUtils.Gen(origin, new Shapes.Circle(GenBase._random.Next(10, 12) + i), Actions.Chain(new Modifiers.Offset(0, 5 * i + 5), new Modifiers.Blotches(3).Output(shapeData)));
        }
        for (int j = 0; j < 6; j++)
        {
            WorldUtils.Gen(origin, new Shapes.Circle(GenBase._random.Next(5, 7) + j), Actions.Chain(new Modifiers.Offset(0, 2 * j + 18), new Modifiers.Blotches(3).Output(shapeData2)));
        }
        for (int k = 0; k < 6; k++)
        {
            WorldUtils.Gen(origin, new Shapes.Circle(GenBase._random.Next(4, 6) + k / 2), Actions.Chain(new Modifiers.Offset(0, (int)(7.5 * (double)k) - 10), new Modifiers.Blotches(3).Output(shapeData3)));
        }
        ShapeData shapeData4 = new ShapeData(shapeData2);
        shapeData2.Subtract(shapeData3, origin, origin);
        shapeData4.Subtract(shapeData2, origin, origin);
        Rectangle bounds = ShapeData.GetBounds(origin, shapeData, shapeData3);
        if (!structures.CanPlace(bounds, ValidTiles, 2))
        {
            return false;
        }
        WorldUtils.Gen(origin, new ModShapes.All(shapeData), Actions.Chain(new Actions.SetTile(25, setSelfFrames: true), new Actions.PlaceWall(3)));
        WorldUtils.Gen(origin, new ModShapes.All(shapeData2), new Actions.SetTile(0, setSelfFrames: true));
        WorldUtils.Gen(origin, new ModShapes.All(shapeData3), new Actions.ClearTile(frameNeighbors: true));
        WorldUtils.Gen(origin, new ModShapes.All(shapeData2), Actions.Chain(new Modifiers.IsTouchingAir(useDiagonals: true), new Modifiers.NotTouching(false, 25), new Actions.SetTile(23, setSelfFrames: true)));
        WorldUtils.Gen(origin, new ModShapes.All(shapeData4), new Actions.PlaceWall(69));
        structures.AddProtectedStructure(bounds, 2);
        return true;
    }
}