Add webp and json generation options to the map renderer (#10367)

Content.MapRenderer/CommandLineArguments.cs

@@ -0,0 +1,100 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using Content.MapRenderer.Extensions;
+
+namespace Content.MapRenderer;
+
+public sealed class CommandLineArguments
+{
+    public List<string> Maps { get; set; } = new();
+    public OutputFormat Format { get; set; } = OutputFormat.png;
+    public bool ExportViewerJson { get; set; } = false;
+
+    public string OutputPath { get; set; } = DirectoryExtensions.MapImages().FullName;
+
+    public static bool TryParse(IReadOnlyList<string> args, [NotNullWhen(true)] out CommandLineArguments? parsed)
+    {
+        parsed = new CommandLineArguments();
+
+        if (args.Count == 0)
+        {
+            PrintHelp();
+            return false;
+        }
+
+        using var enumerator = args.GetEnumerator();
+
+        while (enumerator.MoveNext())
+        {
+            var argument = enumerator.Current;
+            switch (argument)
+            {
+                case "--format":
+                    enumerator.MoveNext();
+
+                    if (!Enum.TryParse<OutputFormat>(enumerator.Current, out var format))
+                    {
+                        Console.WriteLine("Invalid format specified for option: {0}", argument);
+                        parsed = null;
+                        return false;
+                    }
+
+                    parsed.Format = format;
+                    break;
+
+                case "--viewer":
+                    parsed.ExportViewerJson = true;
+                    break;
+
+                case "-o":
+                case "--output":
+                    enumerator.MoveNext();
+                    parsed.OutputPath = enumerator.Current;
+                    break;
+
+                case "-h":
+                case "--help":
+                    PrintHelp();
+                    return false;
+
+                default:
+                    parsed.Maps.Add(argument);
+                    break;
+            }
+        }
+
+        return true;
+    }
+
+    public static void PrintHelp()
+    {
+        Console.WriteLine(@"Content.MapRenderer <options> [map names]
+Options:
+    --format <png|webp>
+        Specifies the format the map images will be exported as.
+        Defaults to: png
+    --viewer
+        Causes the map renderer to create the map.json files required for use with the map viewer.
+        Also puts the maps in the required directory structure.
+    -o / --output <output path>
+        Changes the path the rendered maps will get saved to.
+        Defaults to Resources/MapImages
+    -h / --help
+        Displays this help text");
+    }
+}
+
+public class CommandLineArgumentException : Exception
+{
+    public CommandLineArgumentException(string? message) : base(message)
+    {
+    }
+}
+
+[SuppressMessage("ReSharper", "InconsistentNaming")]
+public enum OutputFormat
+{
+    png,
+    webp
+}