From 9eb9ddc6680244f2c10fa3ac50fbbeffefd2db29 Mon Sep 17 00:00:00 2001
From: Sefa Eyeoglu <contact@scrumplex.net>
Date: Sun, 20 Feb 2022 17:51:26 +0100
Subject: [PATCH] feat: initial Quilt support

---
 launcher/minecraft/ComponentUpdateTask.cpp |  9 +++++++
 launcher/ui/pages/instance/VersionPage.cpp | 30 ++++++++++++++++++++++
 launcher/ui/pages/instance/VersionPage.h   |  1 +
 launcher/ui/pages/instance/VersionPage.ui  |  9 +++++++
 4 files changed, 49 insertions(+)

diff --git a/launcher/minecraft/ComponentUpdateTask.cpp b/launcher/minecraft/ComponentUpdateTask.cpp
index 8bc05a1b..a856662a 100644
--- a/launcher/minecraft/ComponentUpdateTask.cpp
+++ b/launcher/minecraft/ComponentUpdateTask.cpp
@@ -600,6 +600,15 @@ void ComponentUpdateTask::resolveDependencies(bool checkOnly)
                             component->m_version = (*minecraft)->getVersion();
                         }
                     }
+                    else if (add.uid == "org.quiltmc.quilt-mappings")
+                    {
+                        auto minecraft = std::find_if(components.begin(), components.end(), [](ComponentPtr & cmp){
+                            return cmp->getID() == "net.minecraft";
+                        });
+                        if(minecraft != components.end()) {
+                            component->m_version = (*minecraft)->getVersion() + "+build.1";
+                        }
+                    }
                 }
 // HACK HACK HACK HACK FIXME: this is a placeholder for deciding what version to use. For now, it is hardcoded.
 // ############################################################################################################
diff --git a/launcher/ui/pages/instance/VersionPage.cpp b/launcher/ui/pages/instance/VersionPage.cpp
index ed37dd1a..c8857017 100644
--- a/launcher/ui/pages/instance/VersionPage.cpp
+++ b/launcher/ui/pages/instance/VersionPage.cpp
@@ -243,6 +243,9 @@ void VersionPage::updateVersionControls()
     bool supportsFabric = minecraftVersion >= Version("1.14");
     ui->actionInstall_Fabric->setEnabled(controlsEnabled && supportsFabric);
 
+    bool supportsQuilt = minecraftVersion >= Version("1.17.1");
+    ui->actionInstall_Quilt->setEnabled(controlsEnabled && supportsQuilt);
+
     bool supportsLiteLoader = minecraftVersion <= Version("1.12.2");
     ui->actionInstall_LiteLoader->setEnabled(controlsEnabled && supportsLiteLoader);
 
@@ -498,6 +501,33 @@ void VersionPage::on_actionInstall_Fabric_triggered()
     }
 }
 
+void VersionPage::on_actionInstall_Quilt_triggered()
+{
+    auto vlist = APPLICATION->metadataIndex()->get("org.quiltmc.quilt-loader");
+    if(!vlist)
+    {
+        return;
+    }
+    VersionSelectDialog vselect(vlist.get(), tr("Select Quilt Loader version"), this);
+    vselect.setEmptyString(tr("No Quilt Loader versions are currently available."));
+    vselect.setEmptyErrorString(tr("Couldn't load or download the Quilt Loader version lists!"));
+
+    auto currentVersion = m_profile->getComponentVersion("org.quiltmc.quilt-loader");
+    if(!currentVersion.isEmpty())
+    {
+        vselect.setCurrentVersion(currentVersion);
+    }
+
+    if (vselect.exec() && vselect.selectedVersion())
+    {
+        auto vsn = vselect.selectedVersion();
+        m_profile->setComponentVersion("org.quiltmc.quilt-loader", vsn->descriptor());
+        m_profile->resolve(Net::Mode::Online);
+        preselect(m_profile->rowCount(QModelIndex())-1);
+        m_container->refreshContainer();
+    }
+}
+
 void VersionPage::on_actionAdd_Empty_triggered()
 {
     NewComponentDialog compdialog(QString(), QString(), this);
diff --git a/launcher/ui/pages/instance/VersionPage.h b/launcher/ui/pages/instance/VersionPage.h
index 2d37af43..979311fc 100644
--- a/launcher/ui/pages/instance/VersionPage.h
+++ b/launcher/ui/pages/instance/VersionPage.h
@@ -73,6 +73,7 @@ private slots:
     void on_actionChange_version_triggered();
     void on_actionInstall_Forge_triggered();
     void on_actionInstall_Fabric_triggered();
+    void on_actionInstall_Quilt_triggered();
     void on_actionAdd_Empty_triggered();
     void on_actionInstall_LiteLoader_triggered();
     void on_actionReload_triggered();
diff --git a/launcher/ui/pages/instance/VersionPage.ui b/launcher/ui/pages/instance/VersionPage.ui
index a4990ff3..489f7218 100644
--- a/launcher/ui/pages/instance/VersionPage.ui
+++ b/launcher/ui/pages/instance/VersionPage.ui
@@ -107,6 +107,7 @@
    <addaction name="separator"/>
    <addaction name="actionInstall_Forge"/>
    <addaction name="actionInstall_Fabric"/>
+   <addaction name="actionInstall_Quilt"/>
    <addaction name="actionInstall_LiteLoader"/>
    <addaction name="actionInstall_mods"/>
    <addaction name="separator"/>
@@ -192,6 +193,14 @@
     <string>Install the Fabric Loader package.</string>
    </property>
   </action>
+  <action name="actionInstall_Quilt">
+   <property name="text">
+    <string>Install Quilt</string>
+   </property>
+   <property name="toolTip">
+    <string>Install the Quilt Loader package.</string>
+   </property>
+  </action>
   <action name="actionInstall_LiteLoader">
    <property name="text">
     <string>Install LiteLoader</string>