Terraria.Framing.WallFrame C# (CSharp) Method

        public static void WallFrame(int i, int j, bool resetFrame = false)
        {
            if (i <= 0 || j <= 0 || (i >= Main.maxTilesX - 1 || j >= Main.maxTilesY - 1) || Main.tile[i, j] == null)
                return;
            WorldGen.UpdateMapTile(i, j, true);
            Tile tile1 = Main.tile[i, j];
            if ((int)tile1.wall == 0)
            {
                tile1.wallColor((byte)0);
            }
            else
            {
                int index1 = 0;
                Tile tile2 = Main.tile[i, j - 1];
                if (tile2 != null && ((int)tile2.wall > 0 || tile2.active() && (int)tile2.type == 54))
                    index1 = 1;
                Tile tile3 = Main.tile[i - 1, j];
                if (tile3 != null && ((int)tile3.wall > 0 || tile3.active() && (int)tile3.type == 54))
                    index1 |= 2;
                Tile tile4 = Main.tile[i + 1, j];
                if (tile4 != null && ((int)tile4.wall > 0 || tile4.active() && (int)tile4.type == 54))
                    index1 |= 4;
                Tile tile5 = Main.tile[i, j + 1];
                if (tile5 != null && ((int)tile5.wall > 0 || tile5.active() && (int)tile5.type == 54))
                    index1 |= 8;
                int index2;
                if ((int)Main.wallLargeFrames[(int)tile1.wall] == 1)
                {
                    index2 = Framing.phlebasTileFrameNumberLookup[j % 4][i % 3] - 1;
                    tile1.wallFrameNumber((byte)index2);
                }
                else if ((int)Main.wallLargeFrames[(int)tile1.wall] == 2)
                {
                    index2 = Framing.lazureTileFrameNumberLookup[i % 2][j % 2] - 1;
                    tile1.wallFrameNumber((byte)index2);
                }
                else if (resetFrame)
                {
                    index2 = WorldGen.genRand.Next(0, 3);
                    tile1.wallFrameNumber((byte)index2);
                }
                else
                    index2 = (int)tile1.wallFrameNumber();
                if (index1 == 15)
                    index1 += Framing.centerWallFrameLookup[i % 3][j % 3];
                Point16 point16 = Framing.wallFrameLookup[index1][index2];
                tile1.wallFrameX((int)point16.X);
                tile1.wallFrameY((int)point16.Y);
            }
        }