reconstruct the codes.

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/launch/AbstractMinecraftLoader.java

@@ -41,16 +41,14 @@ import org.jackhuang.hellominecraft.utils.Utils;
  */
 public abstract class AbstractMinecraftLoader implements IMinecraftLoader {
 
-    protected File minecraftJar;
     protected Profile v;
     protected UserProfileProvider lr;
     protected File gameDir;
     protected IMinecraftProvider provider;
 
-    public AbstractMinecraftLoader(Profile ver, IMinecraftProvider provider, UserProfileProvider lr, File minecraftJar) {
+    public AbstractMinecraftLoader(Profile ver, IMinecraftProvider provider, UserProfileProvider lr) {
         this.lr = lr;
 
-        this.minecraftJar = minecraftJar;
         v = ver;
         this.provider = provider;
         gameDir = v.getCanonicalGameDirFile();

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/launch/IMinecraftProvider.java

@@ -25,7 +25,8 @@ import org.jackhuang.hellominecraft.launcher.settings.Profile;
 import org.jackhuang.hellominecraft.launcher.version.MinecraftVersion;
 
 /**
- *
+ * Provide everything of the Minecraft of a Profile.
+ * @see org.jackhuang.hellominecraft.launcher.version.MinecraftVersionManager
  * @author huangyuhui
  */
 public abstract class IMinecraftProvider {
@@ -36,8 +37,18 @@ public abstract class IMinecraftProvider {
         this.profile = profile;
     }
 
+    /**
+     * Get the run directory of given version.
+     * @param id the given version name
+     * @return the run directory
+     */
     public abstract File getRunDirectory(String id);
 
+    /**
+     * Get the libraries that need to download.
+     * @param type where to download
+     * @return the library collection
+     */
     public abstract List<GameLauncher.DownloadLibraryJob> getDownloadLibraries(DownloadType type);
 
     public abstract void openSelf(String version);
@@ -46,47 +57,107 @@ public abstract class IMinecraftProvider {
 
     public abstract File getAssets();
 
+    /**
+     * Returns the thing like ".minecraft/resourcepacks".
+     * @return the thing
+     */
     public abstract File getResourcePacks();
 
     public abstract GameLauncher.DecompressLibraryJob getDecompressLibraries();
 
     public abstract File getDecompressNativesToLocation();
 
+    /**
+     * @return the Minecraft jar of selected version.
+     */
     public abstract File getMinecraftJar();
 
+    /**
+     * @return the base folder of the profile.
+     */
     public abstract File getBaseFolder();
 
     /**
-     * Launch
+     * Provide the Minecraft Loader to generate the launching command.
      *
+     * @see org.jackhuang.hellominecraft.launcher.launch.IMinecraftLoader
      * @param p player informations, including username & auth_token
-     * @param type according to the class name 233
+     * @param type where to download
      * @return what you want
      * @throws IllegalStateException circular denpendency versions
      */
     public abstract IMinecraftLoader provideMinecraftLoader(UserProfileProvider p, DownloadType type) throws IllegalStateException;
 
-    // Versions
+    /**
+     * Rename version
+     * @param from The old name
+     * @param to The new name
+     * @return Is the action successful?
+     */
     public abstract boolean renameVersion(String from, String to);
 
+    /**
+     * Remove the given version from disk.
+     * @param a the version name
+     * @return Is the action successful?
+     */
     public abstract boolean removeVersionFromDisk(String a);
 
+    /**
+     * Redownload the Minecraft json of the given version.
+     * @param a the given version name
+     * @return Is the action successful?
+     */
     public abstract boolean refreshJson(String a);
 
+    /**
+     * Redownload the Asset index json of the given version.
+     * @param a the given version name
+     * @return Is the action successful?
+     */
     public abstract boolean refreshAssetsIndex(String a);
 
+    /**
+     * Choose a version randomly.
+     * @return the version
+     */
     public abstract MinecraftVersion getOneVersion();
 
+    /**
+     * All Minecraft version in this profile.
+     * @return the collection of all Minecraft version
+     */
     public abstract Collection<MinecraftVersion> getVersions();
 
+    /**
+     * Get the Minecraft json instance of given version.
+     * @param id the given version name
+     * @return the Minecraft json instance
+     */
     public abstract MinecraftVersion getVersionById(String id);
 
+    /**
+     * getVersions().size()
+     * @return getVersions().size()
+     */
     public abstract int getVersionCount();
 
+    /**
+     * Refind the versions in this profile.
+     */
     public abstract void refreshVersions();
 
+    /**
+     * Install a new version to this profile.
+     * @param version the new version name
+     * @param type where to download
+     * @return Is the action successful?
+     */
     public abstract boolean install(String version, DownloadType type);
 
+    /**
+     * When GameLauncher launches the Minecraft, this function will be called.
+     */
     public abstract void onLaunch();
 
 }

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/launch/MinecraftLoader.java

@@ -44,12 +44,12 @@ public class MinecraftLoader extends AbstractMinecraftLoader {
     private MinecraftVersion version;
     String text;
 
-    public MinecraftLoader(Profile ver, IMinecraftProvider provider, UserProfileProvider lr, File minecraftJar) throws IllegalStateException {
+    public MinecraftLoader(Profile ver, IMinecraftProvider provider, UserProfileProvider lr) throws IllegalStateException {
-        this(ver, provider, lr, minecraftJar, DownloadType.Mojang);
+        this(ver, provider, lr, DownloadType.Mojang);
     }
 
-    public MinecraftLoader(Profile ver, IMinecraftProvider provider, UserProfileProvider lr, File minecraftJar, DownloadType downloadtype) throws IllegalStateException {
+    public MinecraftLoader(Profile ver, IMinecraftProvider provider, UserProfileProvider lr, DownloadType downloadtype) throws IllegalStateException {
-        super(ver, provider, lr, minecraftJar);
+        super(ver, provider, lr);
         version = ver.getSelectedMinecraftVersion().resolve(provider, downloadtype);
     }
 
@@ -61,7 +61,7 @@ public class MinecraftLoader extends AbstractMinecraftLoader {
             if (l.allow())
                 library += l.getFilePath(gameDir).getAbsolutePath() + File.pathSeparator;
         }
-        library += IOUtils.tryGetCanonicalFilePath(minecraftJar) + File.pathSeparator;
+        library += IOUtils.tryGetCanonicalFilePath(provider.getMinecraftJar()) + File.pathSeparator;
         library = library.substring(0, library.length() - File.pathSeparator.length());
         if (v.isCanceledWrapper()) res.add("-cp");
         res.add(library);

HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/version/MinecraftVersionManager.java

@@ -286,7 +286,7 @@ public final class MinecraftVersionManager extends IMinecraftProvider {
     @Override
     public IMinecraftLoader provideMinecraftLoader(UserProfileProvider p, DownloadType type)
             throws IllegalStateException {
-        return new MinecraftLoader(profile, this, p, getMinecraftJar(), type);
+        return new MinecraftLoader(profile, this, p, type);
     }
 
     @Override