From dcef3115b82fce7c253990de274b21cf86ff3975 Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Fri, 4 Nov 2022 09:56:06 -0700
Subject: [PATCH] Add NE resource table

---
 BurnOutSharp.Models/NewExecutable/Enums.cs    | 19 ++++++++
 .../NewExecutable/Executable.cs               |  5 ++-
 .../NewExecutable/ResourceTable.cs            | 35 +++++++++++++++
 .../ResourceTypeAndNameString.cs              | 26 +++++++++++
 .../ResourceTypeInformationEntry.cs           | 37 ++++++++++++++++
 .../ResourceTypeResourceEntry.cs              | 44 +++++++++++++++++++
 6 files changed, 165 insertions(+), 1 deletion(-)
 create mode 100644 BurnOutSharp.Models/NewExecutable/ResourceTable.cs
 create mode 100644 BurnOutSharp.Models/NewExecutable/ResourceTypeAndNameString.cs
 create mode 100644 BurnOutSharp.Models/NewExecutable/ResourceTypeInformationEntry.cs
 create mode 100644 BurnOutSharp.Models/NewExecutable/ResourceTypeResourceEntry.cs

diff --git a/BurnOutSharp.Models/NewExecutable/Enums.cs b/BurnOutSharp.Models/NewExecutable/Enums.cs
index a1c71bda..2b406925 100644
--- a/BurnOutSharp.Models/NewExecutable/Enums.cs
+++ b/BurnOutSharp.Models/NewExecutable/Enums.cs
@@ -150,6 +150,25 @@ namespace BurnOutSharp.Models.NewExecutable
         Unknown = 0xF0,
     }
 
+    [Flags]
+    public enum ResourceTypeResourceFlag : ushort
+    {
+        /// <summary>
+        /// Resource is not fixed.
+        /// </summary>
+        MOVEABLE = 0x0010,
+
+        /// <summary>
+        /// Resource can be shared.
+        /// </summary>
+        PURE = 0x0020,
+
+        /// <summary>
+        /// Resource is preloaded.
+        /// </summary>
+        PRELOAD = 0x0040,
+    }
+
     [Flags]
     public enum SegmentTableEntryFlag : ushort
     {
diff --git a/BurnOutSharp.Models/NewExecutable/Executable.cs b/BurnOutSharp.Models/NewExecutable/Executable.cs
index 52001660..adcb60ee 100644
--- a/BurnOutSharp.Models/NewExecutable/Executable.cs
+++ b/BurnOutSharp.Models/NewExecutable/Executable.cs
@@ -26,7 +26,10 @@ namespace BurnOutSharp.Models.NewExecutable
         /// </summary>
         public SegmentTableEntry[] SegmentTable { get; set; }
 
-        // TODO: NE Resource Table
+        /// <summary>
+        /// Resource table
+        /// </summary>
+        public ResourceTable ResourceTable { get; set; }
 
         /// <summary>
         /// Resident-Name table
diff --git a/BurnOutSharp.Models/NewExecutable/ResourceTable.cs b/BurnOutSharp.Models/NewExecutable/ResourceTable.cs
new file mode 100644
index 00000000..f4da8fe7
--- /dev/null
+++ b/BurnOutSharp.Models/NewExecutable/ResourceTable.cs
@@ -0,0 +1,35 @@
+using System.Runtime.InteropServices;
+
+namespace BurnOutSharp.Models.NewExecutable
+{
+    /// <summary>
+    /// The resource table follows the segment table and contains entries for
+    /// each resource in the executable file. The resource table consists of
+    /// an alignment shift count, followed by a table of resource records. The
+    /// resource records define the type ID for a set of resources. Each
+    /// resource record contains a table of resource entries of the defined
+    /// type. The resource entry defines the resource ID or name ID for the
+    /// resource. It also defines the location and size of the resource. The
+    /// following describes the contents of each of these structures:
+    /// </summary>
+    /// <see href="http://bytepointer.com/resources/win16_ne_exe_format_win3.0.htm"/>
+    [StructLayout(LayoutKind.Sequential)]
+    public class ResourceTable
+    {
+        /// <summary>
+        /// Alignment shift count for resource data.
+        /// </summary>
+        public ushort AlignmentShiftCount;
+
+        /// <summary>
+        /// A table of resource type information blocks follows.
+        /// </summary>
+        public ResourceTypeInformationEntry[] ResourceTypes;
+
+        /// <summary>
+        /// Resource type and name strings are stored at the end of the
+        /// resource table.
+        /// </summary>
+        public ResourceTypeAndNameString[] TypeAndNameStrings;
+    }
+}
diff --git a/BurnOutSharp.Models/NewExecutable/ResourceTypeAndNameString.cs b/BurnOutSharp.Models/NewExecutable/ResourceTypeAndNameString.cs
new file mode 100644
index 00000000..52f82f9e
--- /dev/null
+++ b/BurnOutSharp.Models/NewExecutable/ResourceTypeAndNameString.cs
@@ -0,0 +1,26 @@
+using System.Runtime.InteropServices;
+
+namespace BurnOutSharp.Models.NewExecutable
+{
+    /// <summary>
+    /// Resource type and name strings are stored at the end of the
+    /// resource table. Note that these strings are NOT null terminated and
+    /// are case sensitive.
+    /// </summary>
+    /// <see href="http://bytepointer.com/resources/win16_ne_exe_format_win3.0.htm"/>
+    [StructLayout(LayoutKind.Sequential)]
+    public class ResourceTypeAndNameString
+    {
+        /// <summary>
+        /// Length of the type or name string that follows. A zero value
+        /// indicates the end of the resource type and name string, also
+        /// the end of the resource table.
+        /// </summary>
+        public byte Length;
+
+        /// <summary>
+        /// ASCII text of the type or name string.
+        /// </summary>
+        public byte[] Text;
+    }
+}
diff --git a/BurnOutSharp.Models/NewExecutable/ResourceTypeInformationEntry.cs b/BurnOutSharp.Models/NewExecutable/ResourceTypeInformationEntry.cs
new file mode 100644
index 00000000..53ed3249
--- /dev/null
+++ b/BurnOutSharp.Models/NewExecutable/ResourceTypeInformationEntry.cs
@@ -0,0 +1,37 @@
+using System.Runtime.InteropServices;
+
+namespace BurnOutSharp.Models.NewExecutable
+{
+    /// <summary>
+    /// A table of resource type information blocks follows. The following
+    /// is the format of each type information block:
+    /// </summary>
+    /// <see href="http://bytepointer.com/resources/win16_ne_exe_format_win3.0.htm"/>
+    [StructLayout(LayoutKind.Sequential)]
+    public class ResourceTypeInformationEntry
+    {
+        /// <summary>
+        /// Type ID. This is an integer type if the high-order bit is
+        /// set (8000h); otherwise, it is an offset to the type string,
+        /// the offset is relative to the beginning of the resource
+        /// table. A zero type ID marks the end of the resource type
+        /// information blocks.
+        /// </summary>
+        public ushort TypeID;
+
+        /// <summary>
+        /// Number of resources for this type.
+        /// </summary>
+        public ushort ResourceCount;
+
+        /// <summary>
+        /// Reserved.
+        /// </summary>
+        public uint Reserved;
+
+        /// <summary>
+        /// A table of resources for this type follows.
+        /// </summary>
+        public ResourceTypeResourceEntry[] Resources;
+    }
+}
diff --git a/BurnOutSharp.Models/NewExecutable/ResourceTypeResourceEntry.cs b/BurnOutSharp.Models/NewExecutable/ResourceTypeResourceEntry.cs
new file mode 100644
index 00000000..8103dd10
--- /dev/null
+++ b/BurnOutSharp.Models/NewExecutable/ResourceTypeResourceEntry.cs
@@ -0,0 +1,44 @@
+using System.Runtime.InteropServices;
+
+namespace BurnOutSharp.Models.NewExecutable
+{
+    /// <summary>
+    /// A table of resources for this type follows. The following is
+    /// the format of each resource (8 bytes each):
+    /// </summary>
+    /// <see href="http://bytepointer.com/resources/win16_ne_exe_format_win3.0.htm"/>
+    [StructLayout(LayoutKind.Sequential)]
+    public class ResourceTypeResourceEntry
+    {
+        /// <summary>
+        /// File offset to the contents of the resource data,
+        /// relative to beginning of file. The offset is in terms
+        /// of the alignment shift count value specified at
+        /// beginning of the resource table.
+        /// </summary>
+        public ushort Offset;
+
+        /// <summary>
+        /// Length of the resource in the file (in bytes).
+        /// </summary>
+        public ushort Length;
+
+        /// <summary>
+        /// Flag word.
+        /// </summary>
+        public ResourceTypeResourceFlag FlagWord;
+
+        /// <summary>
+        /// Resource ID. This is an integer type if the high-order
+        /// bit is set (8000h), otherwise it is the offset to the
+        /// resource string, the offset is relative to the
+        /// beginning of the resource table.
+        /// </summary>
+        public ushort ResourceID;
+
+        /// <summary>
+        /// Reserved.
+        /// </summary>
+        public uint Reserved;
+    }
+}