add hashes

src/gen/Def.h

@@ -17,6 +17,17 @@ namespace Generated
             return Err.isOk();
         }
 
+        template <typename T> bool WriteT(const char* _4cc, const T& data)
+        {
+            Writer.write(_4cc, 4, &Err);
+            if (!Err.isOk()) return false;
+            uint32_t hash = data.Hash;
+            Writer.write(&hash, sizeof(hash), &Err);
+            uint32_t size = sizeof(T);
+            Writer.write(&size, sizeof(size), &Err);
+            return Err.isOk() && Save(&data, 1, *this);
+        }
+
         bool Write(const void* data, uint32_t size)
         {
             Writer.write(data, size, &Err);