feat(auto-installing): download Fabric-API to mod folder.

HMCL/src/main/java/org/jackhuang/hmcl/ui/download/InstallersPage.java

@@ -34,7 +34,9 @@ import javafx.scene.layout.VBox;
 import org.jackhuang.hmcl.download.DownloadProvider;
 import org.jackhuang.hmcl.download.RemoteVersion;
 import org.jackhuang.hmcl.game.HMCLGameRepository;
+import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.InstallerItem;
+import org.jackhuang.hmcl.ui.construct.MessageDialogPane;
 import org.jackhuang.hmcl.ui.construct.RequiredValidator;
 import org.jackhuang.hmcl.ui.construct.Validator;
 import org.jackhuang.hmcl.ui.wizard.WizardController;
@@ -68,6 +70,10 @@ public class InstallersPage extends Control implements WizardPage {
             String libraryId = library.getLibraryId();
             if (libraryId.equals("game")) continue;
             library.action.set(e -> {
+                if ("fabric-api".equals(libraryId)) {
+                    Controllers.dialog(i18n("install.installer.fabric-api.warning"), i18n("message.warning"), MessageDialogPane.MessageType.WARNING);
+                }
+
                 if (library.incompatibleLibraryName.get() == null)
                     controller.onNext(new VersionsPage(controller, i18n("install.installer.choose", i18n("install.installer." + libraryId)), gameVersion, downloadProvider, libraryId, () -> controller.onPrev(false)));
             });

HMCL/src/main/resources/assets/lang/I18N.properties

@@ -343,6 +343,7 @@ install.installer.choose=Choose a %s version
 install.installer.depend=Depends on %s
 install.installer.fabric=Fabric
 install.installer.fabric-api=Fabric API
+install.installer.fabric-api.warning=Warning: Fabric API is mod, will be installed into mod directory of the new game. You should now change run directory of the new game, or the Fabric API installation will lost. If you do want to change that settings, you should reinstall Fabric API.
 install.installer.forge=Forge
 install.installer.game=Minecraft
 install.installer.incompatible=Incompatible with %s

HMCL/src/main/resources/assets/lang/I18N_zh.properties

@@ -348,6 +348,7 @@ install.installer.choose=選擇 %s 版本
 install.installer.depend=需要先安裝 %s
 install.installer.fabric=Fabric
 install.installer.fabric-api=Fabric API
+install.installer.fabric-api.warning=警告：Fabric API 是 Mod，將會被安裝到新遊戲的 Mod 文件夾，請你在安裝遊戲後不要修改當前遊戲的版本隔離/遊戲運行路徑設置，如果你在之後修改了相關設置，Fabric API 需要被重新安裝。
 install.installer.forge=Forge
 install.installer.game=Minecraft
 install.installer.incompatible=與 %s 不相容

HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties

@@ -343,6 +343,7 @@ install.installer.choose=选择 %s 版本
 install.installer.depend=需要先安装 %s
 install.installer.fabric=Fabric
 install.installer.fabric-api=Fabric API
+install.installer.fabric-api.warning=警告：Fabric API 是 Mod，将会被安装到新游戏的 Mod 文件夹，请你在安装游戏后不要修改当前游戏的版本隔离/游戏运行路径设置，如果你在之后修改了相关设置，Fabric API 需要被重新安装。
 install.installer.forge=Forge
 install.installer.game=Minecraft
 install.installer.incompatible=与 %s 不兼容

HMCLCore/src/main/java/org/jackhuang/hmcl/download/DefaultDependencyManager.java

@@ -137,7 +137,13 @@ public class DefaultDependencyManager extends AbstractDependencyManager {
                     removedLibraryVersion.set(version);
                     return libraryVersion.getInstallTask(this, version);
                 })
-                .thenApplyAsync(patch -> removedLibraryVersion.get().addPatch(patch))
+                .thenApplyAsync(patch -> {
+                    if (patch == null) {
+                        return removedLibraryVersion.get();
+                    } else {
+                        return removedLibraryVersion.get().addPatch(patch);
+                    }
+                })
                 .withStage(String.format("hmcl.install.%s:%s", libraryVersion.getLibraryId(), libraryVersion.getSelfVersion()));
     }
 

HMCLCore/src/main/java/org/jackhuang/hmcl/download/fabric/FabricAPIInstallTask.java

@@ -18,11 +18,12 @@
 package org.jackhuang.hmcl.download.fabric;
 
 import org.jackhuang.hmcl.download.DefaultDependencyManager;
-import org.jackhuang.hmcl.download.LibraryAnalyzer;
+import org.jackhuang.hmcl.game.Version;
-import org.jackhuang.hmcl.game.*;
+import org.jackhuang.hmcl.task.FileDownloadTask;
 import org.jackhuang.hmcl.task.Task;
 
-import java.util.ArrayList;
+import java.io.IOException;
+import java.net.URL;
 import java.util.Collection;
 import java.util.LinkedList;
 import java.util.List;
@@ -56,14 +57,9 @@ public final class FabricAPIInstallTask extends Task<Version> {
     }
 
     @Override
-    public void execute() {
+    public void execute() throws IOException {
-        List<Library> libraries = new ArrayList<>();
+        dependencies.add(new FileDownloadTask(
-        libraries.add(new Library(new Artifact("net", "fabricmc", "fabric-api"), null,
+                new URL(remote.getUrls().get(0)),
-                new LibrariesDownloadInfo(new LibraryDownloadInfo(
+                dependencyManager.getGameRepository().getRunDirectory(version.getId()).toPath().resolve("mods").resolve("fabric-api-" + remote.getFullVersion() + ".jar").toFile()));
-                        "net/fabricmc/fabric-api/" + remote.getFullVersion() + "/fabric-api-" + remote.getFullVersion() + ".jar",
-                        remote.getUrls().get(0)))));
-
-        setResult(new Version(LibraryAnalyzer.LibraryType.FABRIC_API.getPatchId(), remote.getSelfVersion(), 31000, new Arguments(), null, libraries));
-        dependencies.add(dependencyManager.checkLibraryCompletionAsync(getResult(), true));
     }
 }