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Code Issues 295 Packages Projects Releases 20 Wiki Activity

Add and use VPK constants

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This commit is contained in:
Matt Nadareski
2022-12-28 15:27:10 -08:00
parent c48522e6c0
commit 7f71b04ef7
3 changed files with 26 additions and 22 deletions
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22
BurnOutSharp.Builders/VPK.cs
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@@ -3,30 +3,12 @@ using System.IO;
using System.Text;
using BurnOutSharp.Models.VPK;
using BurnOutSharp.Utilities;
using static BurnOutSharp.Models.VPK.Constants;
namespace BurnOutSharp.Builders
{
public static class VPK
{
#region Constants
/// <summary>
/// VPK header signature as an integer
/// </summary>
public const int HL_VPK_SIGNATURE = 0x55aa1234;
/// <summary>
/// Index indicating that there is no archive
/// </summary>
public const int HL_VPK_NO_ARCHIVE = 0x7fff;
/// <summary>
/// Length of a VPK checksum in bytes
/// </summary>
public const int HL_VPK_CHECKSUM_LENGTH = 0x00008000;
#endregion
#region Byte Data
/// <summary>
@@ -147,7 +129,7 @@ namespace BurnOutSharp.Builders
Header header = new Header();
header.Signature = data.ReadUInt32();
if (header.Signature != HL_VPK_SIGNATURE)
if (header.Signature != SignatureUInt32)
return null;
header.Version = data.ReadUInt32();

21
BurnOutSharp.Models/VPK/Constants.cs Normal file
View File

@@ -0,0 +1,21 @@
namespace BurnOutSharp.Models.VPK
{
public static class Constants
{
public static readonly byte[] SignatureBytes = new byte[] { 0x34, 0x12, 0xaa, 0x55 };
public const string SignatureString = "4\u0012\u00aaU";
public const uint SignatureUInt32 = 0x55aa1234;
/// <summary>
/// Index indicating that there is no archive
/// </summary>
public const int HL_VPK_NO_ARCHIVE = 0x7fff;
/// <summary>
/// Length of a VPK checksum in bytes
/// </summary>
public const int HL_VPK_CHECKSUM_LENGTH = 0x00008000;
}
}

5
BurnOutSharp.Wrappers/VPK.cs
View File

@@ -2,6 +2,7 @@ using System;
using System.IO;
using System.Linq;
using BurnOutSharp.Utilities;
using static BurnOutSharp.Models.VPK.Constants;
namespace BurnOutSharp.Wrappers
{
@@ -83,7 +84,7 @@ namespace BurnOutSharp.Wrappers
int archiveCount = DirectoryItems
.Select(di => di.DirectoryEntry)
.Select(de => de.ArchiveIndex)
.Where(ai => ai != Builders.VPK.HL_VPK_NO_ARCHIVE)
.Where(ai => ai != HL_VPK_NO_ARCHIVE)
.Max();
// Build the list of archive filenames to populate
@@ -342,7 +343,7 @@ namespace BurnOutSharp.Wrappers
// If we have an item with no archive
byte[] data;
if (directoryItem.DirectoryEntry.ArchiveIndex == Builders.VPK.HL_VPK_NO_ARCHIVE)
if (directoryItem.DirectoryEntry.ArchiveIndex == HL_VPK_NO_ARCHIVE)
{
if (directoryItem.PreloadData == null)
return false;