private static void RemoveLight(OCMap map, List <Vector3i> list)
        {
            OCSunLightMap lightmap = map.GetSunLightmap();

            foreach (Vector3i pos in list)
            {
                lightmap.SetLight(MAX_LIGHT, pos);
            }

            List <Vector3i> lightPoints = new List <Vector3i>();

            for (int i = 0; i < list.Count; i++)
            {
                Vector3i pos = list[i];
                if (pos.y < 0)
                {
                    continue;
                }
                if (lightmap.IsSunLight(pos.x, pos.y, pos.z))
                {
                    lightPoints.Add(pos);
                    continue;
                }
                byte light = (byte)(lightmap.GetLight(pos) - STEP_LIGHT);
                lightmap.SetLight(MIN_LIGHT, pos);
                if (light <= MIN_LIGHT)
                {
                    continue;
                }

                foreach (Vector3i dir in Vector3i.directions)
                {
                    Vector3i    nextPos = pos + dir;
                    OCBlockData block   = map.GetBlock(nextPos);
                    if (block.IsAlpha())
                    {
                        if (lightmap.GetLight(nextPos) <= light)
                        {
                            list.Add(nextPos);
                        }
                        else
                        {
                            lightPoints.Add(nextPos);
                        }
                    }
                    if (!block.IsEmpty())
                    {
                        OCLightComputerUtils.SetLightDirty(map, nextPos);
                    }
                }
            }

            Scatter(map, lightPoints);
        }
        private static void Scatter(OCMap map, List <Vector3i> list)          // рассеивание
        {
            OCSunLightMap lightmap = map.GetSunLightmap();

            for (int i = 0; i < list.Count; i++)
            {
                Vector3i pos = list[i];
                if (pos.y < 0)
                {
                    continue;
                }

                OCBlockData block = map.GetBlock(pos);
                int         light = lightmap.GetLight(pos) - OCLightComputerUtils.GetLightStep(block);
                if (light <= MIN_LIGHT)
                {
                    continue;
                }

                foreach (Vector3i dir in Vector3i.directions)
                {
                    Vector3i nextPos = pos + dir;
                    block = map.GetBlock(nextPos);
                    if (block.IsAlpha() && lightmap.SetMaxLight((byte)light, nextPos))
                    {
                        list.Add(nextPos);
                    }
                    if (!block.IsEmpty())
                    {
                        OCLightComputerUtils.SetLightDirty(map, nextPos);
                    }
                }
            }
        }
        public static void Scatter(OCMap map, OCColumnMap columnMap, int cx, int cz)
        {
            int x1 = cx * OCChunk.SIZE_X;
            int z1 = cz * OCChunk.SIZE_Z;

            int x2 = x1 + OCChunk.SIZE_X;
            int z2 = z1 + OCChunk.SIZE_Z;

            OCSunLightMap lightmap = map.GetSunLightmap();

            list.Clear();
            for (int x = x1; x < x2; x++)
            {
                for (int z = z1; z < z2; z++)
                {
                    int maxY = ComputeMaxY(lightmap, x, z) + 1;
                    for (int y = 0; y < maxY; y++)
                    {
                        if (lightmap.GetLight(x, y, z) > MIN_LIGHT)
                        {
                            list.Add(new Vector3i(x, y, z));
                        }
                    }
                }
            }
            Scatter(map, columnMap, list);
        }