Animatroller.Framework.Utility.PixelMapping.GeneratePixelMappingFromGlediatorPatch C# (CSharp) Method

        public static Dictionary<int, PixelMap[]> GeneratePixelMappingFromGlediatorPatch(string fileName)
        {
            var channelMapping = new Dictionary<Tuple<Point, ColorComponent>, int>();
            var universeIdMapping = new Dictionary<Point, int>();

            var universeMapping = new Dictionary<int, int>();

            using (var fs = File.OpenText(fileName))
            {
                string line;
                string[] kvp;
                string[] parts;

                while ((line = fs.ReadLine()) != null)
                {
                    if (line.StartsWith("Patch_Pixel_X_"))
                    {
                        kvp = line.Split('=');
                        if (kvp.Length != 2)
                            continue;

                        parts = kvp[0].Split('_');
                        if (parts.Length != 8)
                            continue;

                        var pt = new Point(int.Parse(parts[3]), int.Parse(parts[5]));

                        switch (parts[6])
                        {
                            case "Ch":
                                switch (parts[7])
                                {
                                    case "R":
                                        channelMapping[Tuple.Create(pt, ColorComponent.R)] = int.Parse(kvp[1]);
                                        break;

                                    case "G":
                                        channelMapping[Tuple.Create(pt, ColorComponent.G)] = int.Parse(kvp[1]);
                                        break;

                                    case "B":
                                        channelMapping[Tuple.Create(pt, ColorComponent.B)] = int.Parse(kvp[1]);
                                        break;
                                }
                                break;

                            case "Uni":
                                universeIdMapping[pt] = int.Parse(kvp[1]);
                                break;
                        }
                    }
                    else if (line.StartsWith("Patch_Uni_ID_"))
                    {
                        kvp = line.Split('=');
                        if (kvp.Length != 2)
                            continue;

                        parts = kvp[0].Split('_');
                        if (parts.Length != 6)
                            continue;

                        if (parts[4] == "Uni" && parts[5] == "Nr")
                            universeMapping[int.Parse(parts[3])] = int.Parse(kvp[1]);
                    }
                }
            }

            var pixelMapping = new Dictionary<int, PixelMap[]>();

            foreach (var kvp in channelMapping)
            {
                int universeId;
                if (!universeIdMapping.TryGetValue(kvp.Key.Item1, out universeId))
                    continue;

                int universe;
                if (!universeMapping.TryGetValue(universeId, out universe))
                    continue;

                PixelMap[] pMapping;
                if (!pixelMapping.TryGetValue(universe, out pMapping))
                {
                    pMapping = new PixelMap[512];
                    pixelMapping.Add(universe, pMapping);
                }

                if (kvp.Value >= 0 && kvp.Value <= 511)
                {
                    pMapping[kvp.Value] = new PixelMap
                    {
                        ColorComponent = kvp.Key.Item2,
                        X = kvp.Key.Item1.X,
                        Y = kvp.Key.Item1.Y
                    };
                }
            }

            return pixelMapping;
        }