private void buttonPatchFov_Click(object sender, EventArgs e)
{
PatchInfo fovPatch = VersionInfo.GetVersion(comboBoxVersion.SelectedIndex).FovPatch;
bool success = Patcher.Patch(this, textBoxBin.Text, fovPatch, (float)numericUpDownDesiredFov.Value);
if (success)
{
textBoxCurrentFov.Text = numericUpDownDesiredFov.Value.ToString();
Log("{0} patched successfully", fovPatch.Filename);
}
}
private void buttonScanFov_Click(object sender, EventArgs e)
{
PatchInfo fovPatch = VersionInfo.GetVersion(comboBoxVersion.SelectedIndex).FovPatch;
float? result = Patcher.Scan(this, textBoxBin.Text, fovPatch);
if (result != null)
{
textBoxCurrentFov.Text = result.ToString();
buttonPatchFov.Enabled = true;
Log("{0} scanned successfully", fovPatch.Filename);
}
}
private void buttonRestoreHudFov_Click(object sender, EventArgs e)
{
PatchInfo hudFovPatch = VersionInfo.GetVersion(comboBoxVersion.SelectedIndex).HudFovPatch;
bool success = Patcher.Restore(this, textBoxBin.Text, hudFovPatch);
if (success)
{
textBoxCurrentHudFov.Clear();
buttonPatchHudFov.Enabled = false;
Log("{0} backup restored successfully", hudFovPatch.Filename);
}
}
public static float?Scan(MainForm mainForm, string binPath, PatchInfo patchInfo)
{
string filePath = binPath + @"\" + patchInfo.Filename;
if (File.Exists(filePath))
{
byte[] bytes = File.ReadAllBytes(filePath);
if (bytes.Length != patchInfo.Size)
{
mainForm.Log("Unexpected dll size; expected {0} bytes, got {1} bytes\r\nMake sure you have the correct version selected, and are not using modified dlls",
patchInfo.Size, bytes.Length);
return(null);
}
float currentHFov = BitConverter.ToSingle(bytes, patchInfo.Offset);
return(currentHFov);
}
else
{
mainForm.Log("File not found: {0}", filePath);
return(null);
}
}
public static bool Restore(MainForm mainForm, string binPath, PatchInfo patchInfo)
{
string filePath = binPath + @"\" + patchInfo.Filename;
string bakPath = filePath + ".bak";
if (File.Exists(bakPath))
{
if (File.Exists(filePath))
{
try
{
File.Delete(filePath);
}
catch (UnauthorizedAccessException)
{
mainForm.Log("Access denied; could not delete {0}", patchInfo.Filename);
return(false);
}
}
try
{
File.Move(bakPath, filePath);
}
catch (UnauthorizedAccessException)
{
mainForm.Log("Access denied; could not restore {0}", patchInfo.Filename + ".bak");
return(false);
}
return(true);
}
else
{
mainForm.Log("There is no backup to restore");
return(false);
}
}
public static bool Patch(MainForm mainForm, string binPath, PatchInfo patchInfo, float desiredValue)
{
string filePath = binPath + @"\" + patchInfo.Filename;
string bakPath = filePath + ".bak";
if (!File.Exists(bakPath))
{
try
{
File.Copy(filePath, bakPath);
}
catch (UnauthorizedAccessException)
{
mainForm.Log("Access denied; could not backup xrGame.dll");
return(false);
}
}
using (BinaryWriter writer = new BinaryWriter(File.Open(filePath, FileMode.Open)))
{
writer.Seek(patchInfo.Offset, SeekOrigin.Begin);
writer.Write(desiredValue);
}
return(true);
}
private VersionInfo(string name, PatchInfo fovPatch, PatchInfo hudFovPatch)
{
Name = name;
FovPatch = fovPatch;
HudFovPatch = hudFovPatch;
}
private void buttonDefaultHudFov_Click(object sender, EventArgs e)
{
PatchInfo hudFovPatch = VersionInfo.GetVersion(comboBoxVersion.SelectedIndex).HudFovPatch;
numericUpDownDesiredHudFov.Value = (decimal)hudFovPatch.Default;
}
