to rename

apps/backend/Universe/Scenario/ScenarioLoader.cs

@@ -1,26 +1,27 @@
 
+using System.Text.Json;
+using Microsoft.Extensions.Options;
+using SpaceGame.Api.Universe.Bootstrap;
+
 namespace SpaceGame.Api.Universe.Scenario;
 
-public sealed class ScenarioLoader
+public sealed class ScenarioLoader(IOptions<StaticDataOptions> staticDataOptions)
 {
-    private readonly WorldBuilder _worldBuilder;
-
-    public ScenarioLoader(string contentRootPath, WorldGenerationOptions? worldGeneration = null)
+    private readonly JsonSerializerOptions _jsonOptions = new()
     {
-        var generationOptions = worldGeneration ?? new WorldGenerationOptions();
-        var dataRoot = Path.GetFullPath(Path.Combine(contentRootPath, "..", "..", "shared", "data"));
-        var dataLoader = new DataCatalogLoader(dataRoot);
-        var generationService = new SystemGenerationService();
-        var spatialBuilder = new SpatialBuilder();
-        var seedingService = new WorldSeedingService();
+        PropertyNameCaseInsensitive = true,
+    };
 
-        _worldBuilder = new WorldBuilder(
-          generationOptions,
-          dataLoader,
-          generationService,
-          spatialBuilder,
-          seedingService);
+    public ScenarioDefinition? Load()
+    {
+        var scenarioPath = Path.Combine(staticDataOptions.Value.DataRoot, "scenario.json");
+        if (!File.Exists(scenarioPath))
+        {
+            return null;
+        }
+
+        var json = File.ReadAllText(scenarioPath);
+        return JsonSerializer.Deserialize<ScenarioDefinition>(json, _jsonOptions)
+          ?? throw new InvalidOperationException("Unable to read scenario.json.");
     }
-
-    public SimulationWorld Load() => _worldBuilder.Build();
 }