Conditions.cs

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namespace Terraria.WorldBuilding;
 
public static class Conditions
{
    public class IsTile : GenCondition
    {
        private ushort[] _types;
 
        public IsTile(params ushort[] types)
        {
            _types = types;
        }
 
        protected override bool CheckValidity(int x, int y)
        {
            if (GenBase._tiles[x, y].active())
            {
                for (int i = 0; i < _types.Length; i++)
                {
                    if (GenBase._tiles[x, y].type == _types[i])
                    {
                        return true;
                    }
                }
            }
            return false;
        }
    }
 
    public class Continue : GenCondition
    {
        protected override bool CheckValidity(int x, int y)
        {
            return false;
        }
    }
 
    public class MysticSnake : GenCondition
    {
        protected override bool CheckValidity(int x, int y)
        {
            if (GenBase._tiles[x, y].active() && !Main.tileCut[GenBase._tiles[x, y].type])
            {
                return GenBase._tiles[x, y].type != 504;
            }
            return false;
        }
    }
 
    public class IsSolid : GenCondition
    {
        protected override bool CheckValidity(int x, int y)
        {
            if (!WorldGen.InWorld(x, y, 10))
            {
                return false;
            }
            if (GenBase._tiles[x, y].active())
            {
                return Main.tileSolid[GenBase._tiles[x, y].type];
            }
            return false;
        }
    }
 
    public class HasLava : GenCondition
    {
        protected override bool CheckValidity(int x, int y)
        {
            if (GenBase._tiles[x, y].liquid > 0)
            {
                return GenBase._tiles[x, y].liquidType() == 1;
            }
            return false;
        }
    }
 
    public class NotNull : GenCondition
    {
        protected override bool CheckValidity(int x, int y)
        {
            return GenBase._tiles[x, y] != null;
        }
    }
}