Import code from previous AssetBuilder version

src/ZoneCodeGenerator/Domain/FastFileStructure/FastFileBlock.cs

@@ -0,0 +1,30 @@
+namespace ZoneCodeGenerator.Domain.FastFileStructure
+{
+    class FastFileBlock
+    {
+        public enum Type
+        {
+            Temp,
+            Runtime,
+            Delay,
+            Normal
+        }
+
+        public string Name { get; }
+        public int Index { get; }
+        public Type BlockType { get; }
+        public bool IsDefault { get; }
+        public bool IsTemp => BlockType == Type.Temp;
+        public bool IsRuntime => BlockType == Type.Runtime;
+        public bool IsDelay => BlockType == Type.Delay;
+        public bool IsNormal => BlockType == Type.Normal;
+
+        public FastFileBlock(string name, int index, Type blockType, bool isDefault)
+        {
+            Name = name;
+            Index = index;
+            BlockType = blockType;
+            IsDefault = isDefault;
+        }
+    }
+}