isledecomp/LEGOIslandRebuilder
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use hkcu for some patches to free up byte code

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This commit is contained in:
itsmattkc 2019-05-04 01:43:59 +10:00
parent d9205c5f6b
commit 7128233685
1 changed files with 47 additions and 52 deletions

99
Rebuilder/Rebuilder.cs
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@ -283,7 +283,7 @@ namespace Rebuilder
private bool IncompatibleBuildMessage(string incompatibilities)
{
return (MessageBox.Show("The following patches you've chosen are not compatible with this version of LEGO Island:\n\n" + incompatibilities + "\nContinue?", "Compatibility", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes);
return (MessageBox.Show("The following patches you've chosen are not compatible with this version of LEGO Island:\n\n" + incompatibilities + "\nContinue without them?", "Compatibility", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes);
}
private bool Patch(string dir)
@ -296,18 +296,7 @@ namespace Rebuilder
// Crude check if the build is September or August
lego1dll.Position = 0x54083;
bool aug_build = (lego1dll.ReadByte() == 0x7E);
/*
if (aug_build)
{
Console.WriteLine("August build detected");
}
else
{
Console.WriteLine("September build detected");
}
*/
// Write turn/movement speed hack (this frees up 12 bytes of code)
long turn_speed_offset = aug_build ? 0x54083 : 0x54323;
Write(lego1dll, new byte[] { 0x7E, 0x04, 0x2B, 0xD1, 0xEB, 0x0C, 0x89, 0xC8, 0xF7, 0xD8, 0x39, 0xD0, 0x7E, 0x2F, 0x01, 0xCA, 0x29, 0xCE, 0x89, 0x54, 0x24, 0x04, 0xDB, 0x44, 0x24, 0x04, 0x89, 0x74, 0x24, 0x04, 0xDA, 0x74, 0x24, 0x04, 0x3D, 0xF0, 0x00, 0x00, 0x00, 0x74, 0x0A, 0xC7, 0x44, 0x24, 0x04 }, turn_speed_offset);
@ -315,34 +304,10 @@ namespace Rebuilder
Write(lego1dll, new byte[] { 0xEB, 0x08, 0xC7, 0x44, 0x24, 0x04 });
WriteFloat(lego1dll, (float)movement_speed_control.Value);
Write(lego1dll, new byte[] { 0xD8, 0x4C, 0x24, 0x04, 0xD8, 0x4C, 0x24, 0x14, 0xD9, 0x5C, 0x24, 0x04, 0xD9, 0x44, 0x24, 0x04, 0x5E, 0x83, 0xC4, 0x04, 0xC2, 0x0C, 0x00, 0xC7, 0x44, 0x24, 0x04, 0x00, 0x00, 0x00, 0x00, 0xD9, 0x44, 0x24, 0x04, 0x5E, 0x83, 0xC4, 0x04, 0xC2, 0x0C, 0x00, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 });
//
// TODO: The redirect_saves and run_fullscreen hacks could probably be done easier by redirecting Lego Island's registry reading to HKCU rather than HKLM.
// We'd free up a lot of bytes of code that way (at least with redirect_saves).
//
// Also find a solution for the August build
//
if (redirect_saves.Checked)
{
if (aug_build)
{
incompatibilities += redirect_saves.Text + "\n";
}
else
{
// Write patch to write saves to "AppData" instead of "Program Files"
Write(lego1dll, new byte[] { 0xE9, 0x61, 0x9B, 0x09, 0x00 }, 0x39300);
Write(lego1dll, new byte[] { 0x53, 0xBB, 0x79, 0x3A, 0x0D, 0x10, 0x89, 0x5C, 0x24, 0x08, 0x56, 0x8B, 0x01, 0x57, 0xE9, 0x8C, 0x64, 0xF6, 0xFF }, 0xD2E66);
// New directory to write in (defaults to "%AppData%/LEGO Island")
string new_save_dir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\LEGO Island\\";
Directory.CreateDirectory(new_save_dir);
WriteString(lego1dll, new_save_dir);
}
}
// Patch EXE to read from HKCU instead of HKLM
WriteByte(isleexe, 0x01, 0x1B5F);
if (stay_active_when_window_is_defocused.Checked)
{
// Remove code that writes focus value to memory, effectively keeping it always true - frees up 3 bytes
@ -355,18 +320,6 @@ namespace Rebuilder
WriteByte(lego1dll, 0x80, aug_build ? 0xAD7D3 : 0xADD43);
}
// This operation skips the registry check so full screen/window mode can be set without entering the registry
if (run_fullscreen.Checked)
{
// Write all nops since full screen is enabled by default, frees up 13 bytes that were used to call the registry reading function
Write(isleexe, new byte[] { 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }, 0x1E03);
}
else
{
// Write 7 bytes to set the full screen value to 0, frees up 7 bytes of code that were used to call the registry reading function
Write(isleexe, new byte[] { 0xC7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90 }, 0x1E03);
}
// INCOMPLETE: Resolution hack:
if (override_resolution.Checked)
{
@ -378,6 +331,29 @@ namespace Rebuilder
WriteInt32(isleexe, (Int32)res_width.Value-1, 0x4D0);
WriteInt32(isleexe, (Int32)res_height.Value-1, 0x4D7);
}
if (aug_build && redirect_saves.Checked)
{
incompatibilities += redirect_saves.Text + "\n";
}
}
using (RegistryKey src = Registry.LocalMachine.OpenSubKey("SOFTWARE\\WOW6432Node\\Mindscape\\LEGO Island", false))
using (RegistryKey dst = Registry.CurrentUser.CreateSubKey("Software\\Mindscape\\LEGO Island"))
{
// Copy config data from HKLM to HKCU
CopyRegistryKey(src, dst);
// Set full screen value
dst.SetValue("Full Screen", run_fullscreen.Checked ? "YES" : "NO");
// Redirect save path
if (redirect_saves.Checked)
{
string new_save_dir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\LEGO Island\\";
Directory.CreateDirectory(new_save_dir);
dst.SetValue("savepath", new_save_dir);
}
}
return string.IsNullOrEmpty(incompatibilities) || IncompatibleBuildMessage(incompatibilities);
@ -400,6 +376,25 @@ namespace Rebuilder
res_height.Enabled = override_resolution.Checked;
}
private void CopyRegistryKey(RegistryKey src, RegistryKey dst)
{
// copy the values
foreach (var name in src.GetValueNames())
{
dst.SetValue(name, src.GetValue(name), src.GetValueKind(name));
}
// copy the subkeys
foreach (var name in src.GetSubKeyNames())
{
using (var srcSubKey = src.OpenSubKey(name, false))
{
var dstSubKey = dst.CreateSubKey(name);
CopyRegistryKey(srcSubKey, dstSubKey);
}
}
}
private void Run(object sender, EventArgs e)
{
if (p != null)