Added Reader class to BlendFile library

BlendFile/Reader.cs

@@ -0,0 +1,42 @@
+using System.Reflection;
+using Kaitai;
+
+
+namespace BlendFile;
+
+public class Reader {
+    readonly string _path;
+    private readonly Dictionary<int, Type> dnaTypes = new();
+    
+    private List<object> objects = new();
+    public List<object> Objects => objects; 
+    
+    public Reader(string path) {
+        _path = path;
+        var types = Assembly.GetExecutingAssembly().DefinedTypes;
+        foreach (var type in types) {
+            var attrib = type.GetCustomAttribute<DNAClassAttribute>();
+            if (attrib ==null) continue;
+            dnaTypes.Add(attrib.OriginalIndex, type);
+        }
+    }
+    
+    public void Read() {
+        var file = new KaitaiStream(_path);
+        var blend = new Kaitai.BlendFile(file);
+
+        foreach (var block in blend.Blocks) {
+            Type t = dnaTypes[(int)block.SdnaIndex];
+            var obj = Activator.CreateInstance(t);
+            if(obj == null) continue;
+            objects.Add(obj);
+            
+            foreach (var field in t.GetFields()) {
+                var attrib = field.GetCustomAttribute<DNAFieldAttribute>();
+                if (attrib == null) continue;
+                
+            }
+        }
+        
+    }
+}