Add ROM version verification, patching, and Gzip routines

Add ROM region, version, and byte ordering verification
Patch ROM for extended level table
Move BE to Utils file

Author: queueRAM

BlastCorpsEditor/BlastCorpsEditor.csproj

@@ -47,13 +47,15 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Utils.cs" />
     <Compile Include="BlastCorpsEditorForm.cs">
       <SubType>Form</SubType>
     </Compile>
     <Compile Include="BlastCorpsEditorForm.Designer.cs">
       <DependentUpon>BlastCorpsEditorForm.cs</DependentUpon>
     </Compile>
     <Compile Include="BlastCorpsLevel.cs" />
+    <Compile Include="BlastCorpsRom.cs" />
     <Compile Include="BlastCorpsViewer.cs">
       <SubType>UserControl</SubType>
     </Compile>

BlastCorpsEditor/BlastCorpsEditorForm.Designer.cs

@@ -358,5 +358,22 @@ private void exportToolStripMenuItem_Click(object sender, EventArgs e)
             fs.Close();
          }
       }
+
+      private void openROMToolStripMenuItem_Click(object sender, EventArgs e)
+      {
+         OpenFileDialog openFileDialog1 = new OpenFileDialog();
+
+         openFileDialog1.Filter = "N64 ROM (.z64)|*.z64|All Files (*.*)|*.*";
+         openFileDialog1.FilterIndex = 1;
+
+         DialogResult dresult = openFileDialog1.ShowDialog();
+
+         if (dresult == DialogResult.OK)
+         {
+            BlastCorpsRom rom = new BlastCorpsRom();
+            rom.LoadRom(openFileDialog1.FileName);
+            rom.ExtendRom(Path.Combine(Path.GetTempPath(), "BC.ext.z64"));
+         }
+      }
    }
 }

BlastCorpsEditor/BlastCorpsEditorForm.cs

@@ -3,98 +3,6 @@
 
 namespace BlastCorpsEditor
 {
-   // helper class for converting arrays of bytes in big endian to native integer types
-   class BE
-   {
-      public static UInt32 U32(byte[] buf, uint i)
-      {
-         byte[] u32bytes = new byte[4];
-         Array.Copy(buf, i, u32bytes, 0, u32bytes.Length);
-         if (BitConverter.IsLittleEndian)
-         {
-            Array.Reverse(u32bytes);
-         }
-         return BitConverter.ToUInt32(u32bytes, 0);
-      }
-
-      public static Int32 I32(byte[] buf, uint i)
-      {
-         byte[] i32bytes = new byte[4];
-         Array.Copy(buf, i, i32bytes, 0, i32bytes.Length);
-         if (BitConverter.IsLittleEndian)
-         {
-            Array.Reverse(i32bytes);
-         }
-         return BitConverter.ToInt32(i32bytes, 0);
-      }
-
-      public static UInt16 U16(byte[] buf, uint i)
-      {
-         byte[] u16bytes = new byte[2];
-         Array.Copy(buf, i, u16bytes, 0, u16bytes.Length);
-         if (BitConverter.IsLittleEndian)
-         {
-            Array.Reverse(u16bytes);
-         }
-         return BitConverter.ToUInt16(u16bytes, 0);
-      }
-
-      public static Int16 I16(byte[] buf, uint i)
-      {
-         byte[] i16bytes = new byte[2];
-         Array.Copy(buf, i, i16bytes, 0, i16bytes.Length);
-         if (BitConverter.IsLittleEndian)
-         {
-            Array.Reverse(i16bytes);
-         }
-         return BitConverter.ToInt16(i16bytes, 0);
-      }
-
-      public static int ToBytes(Int16 val, byte[] buf, int i)
-      {
-         byte[] data = BitConverter.GetBytes(val);
-         if (BitConverter.IsLittleEndian)
-         {
-            Array.Reverse(data);
-         }
-         Array.Copy(data, 0, buf, i, data.Length);
-         return data.Length;
-      }
-
-      public static int ToBytes(UInt16 val, byte[] buf, int i)
-      {
-         byte[] data = BitConverter.GetBytes(val);
-         if (BitConverter.IsLittleEndian)
-         {
-            Array.Reverse(data);
-         }
-         Array.Copy(data, 0, buf, i, data.Length);
-         return data.Length;
-      }
-
-      public static int ToBytes(Int32 val, byte[] buf, int i)
-      {
-         byte[] data = BitConverter.GetBytes(val);
-         if (BitConverter.IsLittleEndian)
-         {
-            Array.Reverse(data);
-         }
-         Array.Copy(data, 0, buf, i, data.Length);
-         return data.Length;
-      }
-
-      public static int ToBytes(UInt32 val, byte[] buf, int i)
-      {
-         byte[] data = BitConverter.GetBytes(val);
-         if (BitConverter.IsLittleEndian)
-         {
-            Array.Reverse(data);
-         }
-         Array.Copy(data, 0, buf, i, data.Length);
-         return data.Length;
-      }
-   }
-
    public class BlastCorpsLevelMeta
    {
       public uint id { get; set; }
@@ -750,7 +658,7 @@ private static int AppendArray(byte[] dest, int offset, byte[] src)
 
       public byte[] ToBytes()
       {
-         // TODO: better estimate of size
+         // TODO: convert to MemoryStream 
          byte[] data = new byte[400 * 1024];
          int offset = 0x0;