Minor changes to UNIF

2 files changed, 14 insertions, 2 deletions

diff --git a/NesContainers.csproj b/NesContainers.csproj
index 8add0a5..d2c9da2 100644
--- a/NesContainers.csproj
+++ b/NesContainers.csproj
@@ -42,6 +42,7 @@
     <Reference Include="System.Xml" />

   </ItemGroup>

   <ItemGroup>

+    <Compile Include="Crc32Calculator.cs" />

     <Compile Include="NesFile.cs" />

     <Compile Include="NesHeaderFixer.cs" />

     <Compile Include="UnifFile.cs" />

diff --git a/UnifFile.cs b/UnifFile.cs
index 98d52e0..8ca040e 100644
--- a/UnifFile.cs
+++ b/UnifFile.cs
@@ -18,6 +18,7 @@ namespace com.clusterrr.Famicom.Containers
 

         public UnifFile()

         {

+            DumpDate = DateTime.Now;

         }

 

         /// <summary>

@@ -290,9 +291,9 @@ namespace com.clusterrr.Famicom.Containers
         }

 

         /// <summary>

-        /// Calculate CRC32 for PRG and CHR fields and fill CRC32 fields

+        /// Calculate CRC32 for PRG and CHR fields and store it into PCKx and CCKx fields

         /// </summary>

-        public void CalculateCRCs()

+        public void CalculateAndStoreCRCs()

         {

             foreach (var key in Fields.Keys.Where(k => k.StartsWith("PRG")))

             {

@@ -318,6 +319,16 @@ namespace com.clusterrr.Famicom.Containers
             }

         }

 

+        /// <summary>

+        /// Calculate overall CRC32

+        /// </summary>

+        /// <returns></returns>

+        public uint CalculateCRC32()

+            => Crc32Calculator.CalculateCRC32(

+                Enumerable.Concat(Fields.Where(k => k.Key.StartsWith("PRG")).OrderBy(k => k.Key).SelectMany(i => i.Value),

+                                  Fields.Where(k => k.Key.StartsWith("CHR")).OrderBy(k => k.Key).SelectMany(i => i.Value)).ToArray()

+            );

+

         [Flags]

         public enum Controller

         {