wxThread::ExitCode LWJGLInstallTask::TaskStart()
{
SetStatus(_("Installing new LWJGL..."));
wxFFileInputStream in(m_path);
wxZipInputStream zipIn(in);
// make sure the directories are there
wxString lwjgl_base = Path::Combine(settings->GetLwjglDir(), m_version);
wxString nativesPath = Path::Combine( lwjgl_base, "natives");
bool success = wxDir::Make(nativesPath,wxS_DIR_DEFAULT,wxPATH_MKDIR_FULL);
if(!success)
return (wxThread::ExitCode) 0;
std::auto_ptr<wxZipEntry> entry;
while (entry.reset(zipIn.GetNextEntry()), entry.get() != NULL)
{
if (entry->IsDir())
continue;
const wxString jarNames[] = { "jinput.jar", "lwjgl_util.jar", "lwjgl.jar" };
wxString name = entry->GetName();
wxString destFileName;
// Put things in their places.
for (int i = 0; i < 3; i++)
if (name.EndsWith(jarNames[i]))
destFileName = Path::Combine(lwjgl_base, jarNames[i]);
// If we haven't found a jar file, look for natives.
if (destFileName.IsEmpty())
{
#if WINDOWS
wxString nativesDir = "windows";
#elif OSX
wxString nativesDir = "macosx";
#elif LINUX
wxString nativesDir = "linux";
#endif
if (name.Contains(nativesDir))
{
destFileName = Path::Combine(nativesPath, name.AfterLast('/').AfterLast('\\'));
}
}
// Now if destFileName is still empty, go to the next file.
if (!destFileName.IsEmpty())
{
SetStatus(_("Installing new LWJGL - Extracting " + name));
wxFFileOutputStream out(destFileName);
zipIn.Read(out);
}
}
return (ExitCode)1;
}
wxString GetMinecraftJarVersion(wxFileName jar)
{
wxString fullpath = jar.GetFullPath();
wxString version = MCVer_Unknown;
if(!jar.FileExists())
return version;
std::auto_ptr<wxZipEntry> entry;
// convert the local name we are looking for into the internal format
wxString name = wxZipEntry::GetInternalName("net/minecraft/client/Minecraft.class",wxPATH_UNIX);
// open the zip
wxFFileInputStream inStream(jar.GetFullPath());
wxZipInputStream zipIn(inStream);
// call GetNextEntry() until the required internal name is found
do
{
entry.reset(zipIn.GetNextEntry());
}
while (entry.get() != NULL && entry->GetInternalName() != name);
auto myentry = entry.get();
if (myentry == NULL)
return version;
// we got the entry, read the data
std::size_t size = myentry->GetSize();
char *classdata = new char[size];
zipIn.Read(classdata,size);
try
{
char * temp = classdata;
java::classfile Minecraft_jar(temp,size);
auto cnst = Minecraft_jar.constants;
auto iter = cnst.begin();
while (iter != cnst.end())
{
const java::constant & constant = *iter;
if(constant.type != java::constant::j_string_data)
{
iter++;
continue;
}
auto & str = constant.str_data;
const char * lookfor = "Minecraft Minecraft "; // length = 20
if(str.compare(0,20,lookfor) == 0)
{
version = str.substr(20).data();
break;
}
iter++;
}
} catch(java::classfile_exception &){}
delete[] classdata;
return version;
}
wxThread::ExitCode ModderTask::TaskStart()
{
// Get the mod list
ModList *modList = m_inst->GetModList();
wxFileName mcBin = m_inst->GetBinDir();
wxFileName mcJar = m_inst->GetMCJar();
wxFileName mcBackup = m_inst->GetMCBackup();
// Nothing to do if there are no jar mods to install, no backup and just the mc jar
if(mcJar.FileExists() && !mcBackup.FileExists() && modList->empty())
{
m_inst->SetNeedsRebuild(false);
return (ExitCode)1;
}
SetStatus(_("Installing mods - backing up minecraft.jar..."));
if (!mcBackup.FileExists() && !wxCopyFile(mcJar.GetFullPath(), mcBackup.GetFullPath()))
{
OnFail(_("Failed to back up minecraft.jar"));
return (ExitCode)0;
}
if (mcJar.FileExists() && !wxRemoveFile(mcJar.GetFullPath()))
{
OnFail(_("Failed to delete old minecraft.jar"));
return (ExitCode)0;
}
// TODO: good spot for user cancel check? or not...
TaskStep(); // STEP 1
SetStatus(_("Installing mods - Opening minecraft.jar"));
wxFFileOutputStream jarStream(mcJar.GetFullPath());
wxZipOutputStream zipOut(jarStream);
// Files already added to the jar.
// These files will be skipped.
std::set<wxString> addedFiles;
// Modify the jar
TaskStep(); // STEP 2
SetStatus(_("Installing mods - Adding mod files..."));
for (ModList::const_reverse_iterator iter = modList->rbegin(); iter != modList->rend(); iter++)
{
wxFileName modFileName = iter->GetFileName();
SetStatus(_("Installing mods - Adding ") + modFileName.GetFullName());
if (iter->IsZipMod())
{
wxFFileInputStream modStream(modFileName.GetFullPath());
wxZipInputStream zipStream(modStream);
std::auto_ptr<wxZipEntry> entry;
while (entry.reset(zipStream.GetNextEntry()), entry.get() != NULL)
{
if (entry->IsDir())
continue;
wxString name = entry->GetName();
if (addedFiles.count(name) == 0)
{
if (!zipOut.CopyEntry(entry.release(), zipStream))
break;
addedFiles.insert(name);
}
}
}
else
{
wxFileName destFileName = modFileName;
destFileName.MakeRelativeTo(m_inst->GetInstModsDir().GetFullPath());
wxString destFile = destFileName.GetFullPath();
if (addedFiles.count(destFile) == 0)
{
wxFFileInputStream input(modFileName.GetFullPath());
zipOut.PutNextEntry(destFile);
zipOut.Write(input);
addedFiles.insert(destFile);
}
}
}
{
wxFFileInputStream inStream(mcBackup.GetFullPath());
wxZipInputStream zipIn(inStream);
std::auto_ptr<wxZipEntry> entry;
while (entry.reset(zipIn.GetNextEntry()), entry.get() != NULL)
{
wxString name = entry->GetName();
if (!name.Matches("META-INF*") &&
addedFiles.count(name) == 0)
{
if (!zipOut.CopyEntry(entry.release(), zipIn))
break;
addedFiles.insert(name);
}
}
}
// Recompress the jar
TaskStep(); // STEP 3
SetStatus(_("Installing mods - Recompressing jar..."));
m_inst->SetNeedsRebuild(false);
m_inst->UpdateVersion(true);
return (ExitCode)1;
}
void ModderTask::TaskStart()
{
// Get the mod list
const ModList *modList = m_inst->GetModList();
wxFileName mcBin = m_inst->GetBinDir();
wxFileName mcJar = m_inst->GetMCJar();
wxFileName mcBackup = m_inst->GetMCBackup();
SetStatus(_("Installing mods - backing up minecraft.jar..."));
if (!mcBackup.FileExists() && !wxCopyFile(mcJar.GetFullPath(), mcBackup.GetFullPath()))
{
OnFail(_("Failed to back up minecraft.jar"));
return;
}
if (mcJar.FileExists() && !wxRemoveFile(mcJar.GetFullPath()))
{
OnFail(_("Failed to delete old minecraft.jar"));
return;
}
if (TestDestroy())
return;
TaskStep(); // STEP 1
SetStatus(_("Installing mods - Opening minecraft.jar"));
wxFFileOutputStream jarStream(mcJar.GetFullPath());
wxZipOutputStream zipOut(jarStream);
{
wxFFileInputStream inStream(mcBackup.GetFullPath());
wxZipInputStream zipIn(inStream);
std::auto_ptr<wxZipEntry> entry;
while (entry.reset(zipIn.GetNextEntry()), entry.get() != NULL)
if (!entry->GetName().Matches(_("META-INF*")))
if (!zipOut.CopyEntry(entry.release(), zipIn))
break;
}
// Modify the jar
TaskStep(); // STEP 2
SetStatus(_("Installing mods - Adding mod files..."));
for (ConstModIterator iter = modList->begin(); iter != modList->end(); iter++)
{
wxFileName modFileName = iter->GetFileName();
SetStatus(_("Installing mods - Adding ") + modFileName.GetFullName());
if (iter->IsZipMod())
{
wxFFileInputStream modStream(modFileName.GetFullPath());
TransferZipArchive(modStream, zipOut);
}
else
{
wxFileName destFileName = modFileName;
destFileName.MakeRelativeTo(m_inst->GetInstModsDir().GetFullPath());
wxFFileInputStream input(modFileName.GetFullPath());
zipOut.PutNextEntry(destFileName.GetFullPath());
zipOut.Write(input);
}
}
// Recompress the jar
TaskStep(); // STEP 3
SetStatus(_("Installing mods - Recompressing jar..."));
m_inst->SetNeedsRebuild(false);
}
