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preliminary august support

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This commit is contained in:
itsmattkc 2019-05-04 00:52:16 +10:00
parent 8482721b12
commit d9205c5f6b
1 changed files with 62 additions and 18 deletions
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80
Rebuilder/Rebuilder.cs
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@ -276,28 +276,70 @@ namespace Rebuilder
Write(fs, str_bytes, pos);
}
private void Patch(string dir)
private bool ApproxEqual(float a, float b)
{
using (FileStream lego1dll = File.Open(dir + "/LEGO1.DLL", FileMode.Open, FileAccess.Write))
using (FileStream isleexe = File.Open(dir + "/ISLE.EXE", FileMode.Open, FileAccess.Write))
return Math.Abs(a - b) < 0.0001;
}
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);
}
private bool Patch(string dir)
{
string incompatibilities = "";
using (FileStream lego1dll = File.Open(dir + "/LEGO1.DLL", FileMode.Open, FileAccess.ReadWrite))
using (FileStream isleexe = File.Open(dir + "/ISLE.EXE", FileMode.Open, FileAccess.ReadWrite))
{
// 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)
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 }, 0x54323);
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);
WriteFloat(lego1dll, (float)turn_speed_control.Value);
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)
{
// 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);
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);
// 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);
}
}
@ -307,10 +349,10 @@ namespace Rebuilder
Write(isleexe, new byte[] { 0x90, 0x90, 0x90 }, 0x1363);
// Write DirectSound flags to allow audio to play while the window is defocused
WriteByte(lego1dll, 0x80, 0xB120B);
WriteByte(lego1dll, 0x80, aug_build ? 0xB48FB : 0xB120B);
WriteByte(lego1dll, 0x80, 0x5B96);
WriteByte(lego1dll, 0x80, 0xB1201);
WriteByte(lego1dll, 0x80, 0xADD43);
WriteByte(lego1dll, 0x80, aug_build ? 0xB48F1 : 0xB1201);
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
@ -337,6 +379,8 @@ namespace Rebuilder
WriteInt32(isleexe, (Int32)res_height.Value-1, 0x4D7);
}
}
return string.IsNullOrEmpty(incompatibilities) || IncompatibleBuildMessage(incompatibilities);
}
private bool IsValidDir(string dir)
@ -347,7 +391,7 @@ namespace Rebuilder
private void ToggleAdvanced(object sender, EventArgs e)
{
advanced_grid.Visible = advanced_button.Checked;
CenterToScreen();
//CenterToScreen();
}
private void ToggleOverrideResolution(Object sender, EventArgs e)
@ -440,7 +484,7 @@ namespace Rebuilder
return;
}
Patch(temp_path);
if (!Patch(temp_path)) return;
// Set new EXE's compatibility mode to 256-colors
using (RegistryKey key = Registry.CurrentUser.OpenSubKey("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\Layers", true))
@ -449,11 +493,11 @@ namespace Rebuilder
if (run_fullscreen.Checked)
{
key.SetValue(temp_path + "\\ISLE.EXE", "DWM8And16BitMitigation");
key.SetValue(temp_path + "\\ISLE.EXE", "HIGHDPIAWARE DWM8And16BitMitigation");
}
else
{
key.SetValue(temp_path + "\\ISLE.EXE", "DWM8And16BitMitigation 256COLOR");
key.SetValue(temp_path + "\\ISLE.EXE", "HIGHDPIAWARE DWM8And16BitMitigation 256COLOR");
}
}