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using SkiaSharp;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
namespace com.clusterrr.Famicom.NesTiler
{
internal class Config
{
public const string DEFAULT_COLORS_FILE = @"nestiler-colors.json";
public enum TilesMode
{
Backgrounds,
Sprites8x8,
Sprites8x16
}
public string ColorsFile { get; private set; }
public Dictionary<int, string> ImageFiles { get; private set; } = new Dictionary<int, string>();
public SKColor? BgColor { get; private set; } = null;
public bool[] PaletteEnabled { get; private set; } = new bool[4] { true, true, true, true };
public Palette?[] FixedPalettes { get; private set; } = new Palette?[4] { null, null, null, null };
public TilesMode Mode { get; private set; } = TilesMode.Backgrounds;
public int TileWidth { get; private set; } = 8;
public int TileHeight { get; private set; } = 8;
public int TilePalWidth { get; private set; } = 16;
public int TilePalHeight { get; private set; } = 16;
public bool SharePatternTable { get; private set; } = false;
public int LossyLevel { get; private set; } = 2;
public int PatternTableStartOffsetShared { get; private set; } = 0;
public Dictionary<int, int> PatternTableStartOffsets { get; private set; } = new Dictionary<int, int>();
public Dictionary<int, int> PattributeTableYOffsets { get; private set; } = new Dictionary<int, int>();
public bool Quiet { get; private set; } = false;
// Filenames
public Dictionary<int, string> OutPreview { get; private set; } = new Dictionary<int, string>();
public Dictionary<int, string> OutPalette { get; private set; } = new Dictionary<int, string>();
public Dictionary<int, string> OutPatternTable { get; private set; } = new Dictionary<int, string>();
public Dictionary<int, string> OutNameTable { get; private set; } = new Dictionary<int, string>();
public Dictionary<int, string> OutAttributeTable { get; private set; } = new Dictionary<int, string>();
public string? OutPatternTableShared { get; private set; } = null;
public string? OutTilesCsv { get; private set; } = null;
public string? OutPalettesCsv { get; private set; } = null;
public string? OutColorsTable { get; private set; } = null;
private Config()
{
ColorsFile = Path.Combine(AppContext.BaseDirectory, DEFAULT_COLORS_FILE);
if (!File.Exists(ColorsFile))
ColorsFile = Path.Combine(Directory.GetCurrentDirectory(), DEFAULT_COLORS_FILE);
if (!File.Exists(ColorsFile) && !OperatingSystem.IsWindows())
ColorsFile = Path.Combine("/etc", DEFAULT_COLORS_FILE);
}
public static Config Parse(string[] args)
{
Config config = new Config();
var paramRegex = new Regex(@"^--?(?<param>[a-zA-Z-]+?)-?(?<index>[0-9]*)$");
for (int i = 0; i < args.Length; i++)
{
var match = paramRegex.Match(args[i]);
if (!match.Success)
throw new ArgumentException($"Invalid argument.", args[i]);
string param = match.Groups["param"].Value;
string indexStr = match.Groups["index"].Value;
int indexNum = 0;
if (!string.IsNullOrEmpty(indexStr))
indexNum = int.Parse(indexStr);
string value = i < args.Length - 1 ? args[i + 1] : "";
int valueInt;
switch (param)
{
case ArgIn.S:
case ArgIn.L:
config.ImageFiles[indexNum] = value;
i++;
break;
case ArgColors.S:
case ArgColors.L:
config.ColorsFile = value;
i++;
break;
case ArgMode.S:
case ArgMode.L:
switch (value.ToLower())
{
case "sprite":
case "sprites":
case "sprites8x8":
config.Mode = TilesMode.Sprites8x8;
config.TileWidth = 8;
config.TileHeight = 8;
config.TilePalWidth = 8;
config.TilePalHeight = 8;
break;
case "sprite8x16":
case "sprites8x16":
config.Mode = TilesMode.Sprites8x16;
config.TileWidth = 8;
config.TileHeight = 16;
config.TilePalWidth = 8;
config.TilePalHeight = 16;
break;
case "bg":
case "background":
case "backgrounds":
config.Mode = TilesMode.Backgrounds;
config.TileWidth = 8;
config.TileHeight = 8;
config.TilePalWidth = 16;
config.TilePalHeight = 16;
break;
default:
throw new ArgumentException($"{value} - invalid mode.", param);
}
i++;
break;
case ArgBgColor.S:
case ArgBgColor.L:
if (value != "auto")
{
try
{
config.BgColor = ColorTranslator.FromHtml(value).ToSKColor();
}
catch (FormatException)
{
throw new ArgumentException($"{value} - invalid color.", param);
}
}
i++;
break;
case ArgEnablePalettes.S:
case ArgEnablePalettes.L:
{
var paletteNumbersStr = value.Split(new char[] { ',', ' ' }, StringSplitOptions.RemoveEmptyEntries);
for (int pal = 0; pal < config.PaletteEnabled.Length; pal++)
config.PaletteEnabled[pal] = false; // disable all palettes
foreach (var palNumStr in paletteNumbersStr)
{
if (!int.TryParse(palNumStr, out valueInt))
throw new ArgumentException($"\"{palNumStr}\" is not valid integer value.", param);
if (valueInt < 0 || valueInt > 3)
throw new ArgumentException($"Palette index must be between 0 and 3.", param);
config.PaletteEnabled[valueInt] = true;
}
if (!config.PaletteEnabled.Where(p => p).Any()) // will never be executed?
throw new ArgumentException($"You need to enable at least one palette.", param);
}
i++;
break;
case ArgPalette.S:
case ArgPalette.L:
{
var colors = value.Split(new char[] { ',', ' ' }, StringSplitOptions.RemoveEmptyEntries).Select(c =>
{
try
{
return ColorTranslator.FromHtml(c).ToSKColor();
}
catch (FormatException)
{
throw new ArgumentException($"{c} - invalid color.", param);
}
});
config.FixedPalettes[indexNum] = new Palette(colors, nosort: true);
}
i++;
break;
case ArgPatternOffset.S:
case ArgPatternOffset.L:
if (!int.TryParse(value, out valueInt))
throw new ArgumentException($"\"{value}\" is not valid integer value.", param);
if (valueInt < 0 || valueInt >= 256)
throw new ArgumentException($"Value ({valueInt}) must be between 0 and 255.", param);
config.PatternTableStartOffsets[indexNum] = valueInt;
config.PatternTableStartOffsetShared = config.PatternTableStartOffsets[indexNum];
i++;
break;
case ArgAttributeTableYOffset.S:
case ArgAttributeTableYOffset.L:
if (!int.TryParse(value, out valueInt))
throw new ArgumentException($"\"{value}\" is not valid integer value.", param);
if (valueInt % 8 != 0)
throw new ArgumentException($"Value ({valueInt}) must be divisible by 8.", param);
if (valueInt < 0 || valueInt >= 256)
throw new ArgumentException($"Value ({valueInt}) must be between 0 and 255.", param);
config.PattributeTableYOffsets[indexNum] = valueInt;
i++;
break;
case ArgSharePatternTable.S:
case ArgSharePatternTable.L:
config.SharePatternTable = true;
break;
case ArgLossy.S:
case ArgLossy.L:
if (!int.TryParse(value, out valueInt))
throw new ArgumentException($"\"{value}\" is not valid integer value.", param);
if (valueInt < 0 || valueInt > 3)
throw new ArgumentException($"Value ({valueInt}) must be between 0 and 3.", param);
config.LossyLevel = valueInt;
i++;
break;
case ArgOutPreview.S:
case ArgOutPreview.L:
config.OutPreview[indexNum] = value;
i++;
break;
case ArgOutPalette.S:
case ArgOutPalette.L:
if (indexNum < 0 || indexNum > 3)
throw new ArgumentException($"Palette index must be between 0 and 3.", param);
config.OutPalette[indexNum] = value;
i++;
break;
case ArgOutPatternTable.S:
case ArgOutPatternTable.L:
config.OutPatternTable[indexNum] = value;
config.OutPatternTableShared = value;
i++;
break;
case ArgOutNameTable.S:
case ArgOutNameTable.L:
config.OutNameTable[indexNum] = value;
i++;
break;
case ArgOutAttributeTable.S:
case ArgOutAttributeTable.L:
config.OutAttributeTable[indexNum] = value;
i++;
break;
case ArgOutTilesCsv.S:
case ArgOutTilesCsv.L:
config.OutTilesCsv = value;
i++;
break;
case ArgOutPalettesCsv.S:
case ArgOutPalettesCsv.L:
config.OutPalettesCsv = value;
i++;
break;
case ArgOutColorsTable.S:
case ArgOutColorsTable.L:
config.OutColorsTable = value;
i++;
break;
case ArgQuiet.S:
case ArgQuiet.L:
config.Quiet = true;
break;
default:
throw new ArgumentException($"Unknown argument.", args[i]);
}
}
// Some input data checks
switch (config.Mode)
{
case TilesMode.Sprites8x8:
case TilesMode.Sprites8x16:
if (!config.BgColor.HasValue) throw new InvalidDataException("You must specify background color for sprites mode.");
break;
}
// Check output files
foreach (var c in new Dictionary<int, string>[] { config.OutPreview, config.OutPatternTable, config.OutNameTable, config.OutAttributeTable })
foreach (var f in c)
if (!config.ImageFiles.ContainsKey(f.Key))
throw new ArgumentException($"Can't write {f.Value} - there is no input image with index {f.Key}.");
return config;
}
}
}
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