riversong-code-showcase/Source/Riversong/Game/World/BlockMap/BlockMap.cs

using Unity.Collections;
using Unity.Mathematics;

namespace DanieleMarotta.RiversongCodeShowcase
{
    public class BlockMap : NativeGrid<BlockReason>
    {
        public BlockMap(int2 size) : base(size, Allocator.Persistent)
        {
        }

        public void AddReason(int2 tile, BlockReason reason)
        {
            SetValue(tile, GetValue(tile) | reason);
        }

        public void AddReason(int2 min, int2 max, BlockReason reason)
        {
            foreach (var tile in TileRange.From(min, max)) AddReason(tile, reason);
        }

        public void RemoveReason(int2 tile, BlockReason reason)
        {
            SetValue(tile, GetValue(tile) & ~reason);
        }

        public void RemoveReason(int2 min, int2 max, BlockReason reason)
        {
            foreach (var tile in TileRange.From(min, max)) RemoveReason(tile, reason);
        }

        public bool IsBlocked(int2 tile, BlockReason reason = BlockReason.Any)
        {
            return (GetValue(tile) & reason) != 0;
        }
    }
}