FIXED: Chemistry JSON dump tool and companion GitHub Action (#6222)

Co-authored-by: ShadowCommander <10494922+ShadowCommander@users.noreply.github.com>
Co-authored-by: moonheart08 <moonheart08@users.noreply.github.com>

Content.Server/GuideGenerator/ChemistryJsonGenerator.cs

@@ -0,0 +1,70 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using Content.Shared.Chemistry.Reaction;
+using Content.Shared.Chemistry.Reagent;
+using Content.Shared.Damage;
+using Content.Shared.FixedPoint;
+using Robust.Shared.IoC;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server.GuideGenerator;
+
+public class ChemistryJsonGenerator
+{
+    public static void PublishJson(StreamWriter file)
+    {
+        var prototype = IoCManager.Resolve<IPrototypeManager>();
+        var prototypes =
+            prototype
+                .EnumeratePrototypes<ReagentPrototype>()
+                .Where(x => !x.Abstract)
+                .Select(x => new ReagentEntry(x))
+                .ToDictionary(x => x.Id, x => x);
+
+        var reactions =
+            prototype
+                .EnumeratePrototypes<ReactionPrototype>()
+                .Where(x => x.Products.Count != 0);
+
+        foreach (var reaction in reactions)
+        {
+            foreach (var product in reaction.Products.Keys)
+            {
+                prototypes[product].Recipes.Add(reaction.ID);
+            }
+        }
+
+        var serializeOptions = new JsonSerializerOptions
+        {
+            WriteIndented = true,
+            Converters =
+            {
+                new UniversalJsonConverter<ReagentEffect>(),
+                new UniversalJsonConverter<ReagentEffectCondition>(),
+                new UniversalJsonConverter<ReagentEffectsEntry>(),
+                new UniversalJsonConverter<DamageSpecifier>(),
+                new FixedPointJsonConverter()
+            }
+        };
+
+        file.Write(JsonSerializer.Serialize(prototypes, serializeOptions));
+    }
+
+    public class FixedPointJsonConverter : JsonConverter<FixedPoint2>
+    {
+        public override void Write(Utf8JsonWriter writer, FixedPoint2 value, JsonSerializerOptions options)
+        {
+            writer.WriteNumberValue(value.Float());
+        }
+
+        public override FixedPoint2 Read(ref Utf8JsonReader reader, Type objectType, JsonSerializerOptions options)
+        {
+            // Throwing a NotSupportedException here allows the error
+            // message to provide path information.
+            throw new NotSupportedException();
+        }
+    }
+}