Merge 4273af1d4bab2bb14ae1988634801503fed1adaa into 79b7e277f1f06f6b315e293b029423fe35e57431

launcher/meta/VersionList.cpp

@@ -317,4 +317,21 @@ Version::Ptr VersionList::getLatestForParent(const QString& uid, const QString&
     return latestCompat;
 }
 
+static const Meta::Version::Ptr& getLatestVersion(const Meta::Version::Ptr& a, const Meta::Version::Ptr& b)
+{
+    if (!a)
+        return b;
+    if (!b)
+        return a;
+    return (a->rawTime() > b->rawTime() ? a : b);
+}
+
+Version::Ptr VersionList::getLatest()
+{
+    Version::Ptr latestCompat = nullptr;
+    for (auto ver : m_versions) {
+        latestCompat = getLatestVersion(latestCompat, ver);
+    }
+    return latestCompat;
+}
 }  // namespace Meta

launcher/meta/VersionList.h

@@ -45,6 +45,7 @@ class VersionList : public BaseVersionList, public BaseEntity {
     BaseVersion::Ptr getRecommended() const override;
     Version::Ptr getRecommendedForParent(const QString& uid, const QString& version);
     Version::Ptr getLatestForParent(const QString& uid, const QString& version);
+    Version::Ptr getLatest();
 
     QVariant data(const QModelIndex& index, int role) const override;
     RoleList providesRoles() const override;

launcher/minecraft/MinecraftInstance.cpp

@@ -181,6 +181,7 @@ void MinecraftInstance::loadSpecificSettings()
     auto locationOverride = m_settings->registerSetting("OverrideJavaLocation", false);
     auto argsOverride = m_settings->registerSetting("OverrideJavaArgs", false);
     m_settings->registerSetting("AutomaticJava", false);
+    m_settings->registerSetting("UseLatestMinecraftVersion", false);
 
     if (auto global_settings = globalSettings()) {
         m_settings->registerOverride(global_settings->getSetting("JavaPath"), locationOverride);

launcher/minecraft/MinecraftLoadAndCheck.cpp

@@ -1,4 +1,5 @@
 #include "MinecraftLoadAndCheck.h"
+#include "Application.h"
 #include "MinecraftInstance.h"
 #include "PackProfile.h"
 
@@ -8,6 +9,14 @@ void MinecraftLoadAndCheck::executeTask()
 {
     // add offline metadata load task
     auto components = m_inst->getPackProfile();
+    if (m_inst->settings()->get("UseLatestMinecraftVersion").toBool()) {
+        if (APPLICATION->settings()->get("AutomaticJavaSwitch").toBool() && m_inst->settings()->get("AutomaticJava").toBool() &&
+            m_inst->settings()->get("OverrideJavaLocation").toBool()) {
+            m_inst->settings()->set("OverrideJavaLocation", false);
+            m_inst->settings()->set("JavaPath", "");
+        }
+        components->updateLatestMinecraft();
+    }
     if (auto result = components->reload(m_netmode); !result) {
         emitFailed(result.error);
         return;

launcher/minecraft/PackProfile.cpp

@@ -1061,3 +1061,20 @@ QList<ModPlatform::ModLoaderType> PackProfile::getModLoadersList()
     }
     return result;
 }
+
+void PackProfile::updateLatestMinecraft()
+{
+    const QString uid = "net.minecraft";
+    auto patch = getComponent(uid);
+    patch->waitLoadMeta();  // make sure we have latest versions
+    auto list = patch->getVersionList();
+    if (!list) {
+        return;
+    }
+
+    auto latest = list->getLatest();
+
+    qDebug() << "Change" << uid << "to" << latest.get();
+    setComponentVersion(uid, latest->descriptor(), true);
+    resolve(Net::Mode::Online);
+}

launcher/minecraft/PackProfile.h

@@ -164,6 +164,8 @@ class PackProfile : public QAbstractListModel {
     /// apply the component patches. Catches all the errors and returns true/false for success/failure
     void invalidateLaunchProfile();
 
+    void updateLatestMinecraft();
+
    private:
     void scheduleSave();
     bool saveIsScheduled() const;

launcher/ui/widgets/MinecraftSettingsWidget.cpp

@@ -60,6 +60,7 @@ MinecraftSettingsWidget::MinecraftSettingsWidget(MinecraftInstancePtr instance,
         m_ui->serverJoinGroupBox->hide();
         m_ui->globalDataPacksGroupBox->hide();
         m_ui->loaderGroup->hide();
+        m_ui->latestMCVersionCheckBox->hide();
     } else {
         m_javaSettings = new JavaSettingsWidget(m_instance, this);
         m_ui->javaScrollArea->setWidget(m_javaSettings);
@@ -281,6 +282,8 @@ void MinecraftSettingsWidget::loadSettings()
         m_ui->fabric->blockSignals(false);
         m_ui->quilt->blockSignals(false);
         m_ui->liteLoader->blockSignals(false);
+
+        m_ui->latestMCVersionCheckBox->setChecked(settings->get("UseLatestMinecraftVersion").toBool());
     }
 
     m_ui->legacySettingsGroupBox->setChecked(settings->get("OverrideLegacySettings").toBool());
@@ -457,6 +460,8 @@ void MinecraftSettingsWidget::saveSettings()
             } else {
                 settings->reset("InstanceAccountId");
             }
+
+            settings->set("UseLatestMinecraftVersion", m_ui->latestMCVersionCheckBox->isChecked());
         }
 
         bool overrideLegacySettings = m_instance == nullptr || m_ui->legacySettingsGroupBox->isChecked();

launcher/ui/widgets/MinecraftSettingsWidget.ui

@@ -519,6 +519,13 @@ It is most likely you will need to change the path - please refer to the mod's w
              </layout>
             </widget>
            </item>
+           <item>
+            <widget class="QCheckBox" name="latestMCVersionCheckBox">
+             <property name="text">
+              <string>Always use the latest minecraft version</string>
+             </property>
+            </widget>
+           </item>
            <item>
             <spacer name="verticalSpacer_2">
              <property name="orientation">