chore: cleanup. Closes #989.

HMCL/src/main/java/moe/mickey/minecraft/skin/fx/FunctionHelper.java

@@ -1,15 +1,16 @@
 package moe.mickey.minecraft.skin.fx;
 
+import javafx.event.Event;
+import javafx.event.EventHandler;
+
 import java.util.Arrays;
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
 
-import javafx.event.Event;
-import javafx.event.EventHandler;
-
 public final class FunctionHelper {
+
     private FunctionHelper() {
     }
 

HMCL/src/main/java/moe/mickey/minecraft/skin/fx/SkinAnimation.java

@@ -1,12 +1,12 @@
 package moe.mickey.minecraft.skin.fx;
 
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+
 import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.List;
 
-import javafx.event.ActionEvent;
-import javafx.event.EventHandler;
-
 public class SkinAnimation {
 
     protected int weight, left;

HMCL/src/main/java/moe/mickey/minecraft/skin/fx/SkinAnimationPlayer.java

@@ -1,11 +1,11 @@
 package moe.mickey.minecraft.skin.fx;
 
+import javafx.animation.AnimationTimer;
+
 import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.Random;
 
-import javafx.animation.AnimationTimer;
-
 public class SkinAnimationPlayer {
 
     protected final Random random = new Random();

HMCL/src/main/java/moe/mickey/minecraft/skin/fx/SkinCanvas.java

@@ -166,8 +166,6 @@ public class SkinCanvas extends Group {
                 bindMaterial((Group) node);
     }
 
-	
-	
     protected Group createPlayerModel() {
         head.setTranslateY(-(bodyInside.getHeight() + headInside.getHeight()) / 2);
 

HMCL/src/main/java/moe/mickey/minecraft/skin/fx/SkinCube.java

@@ -56,7 +56,7 @@ public class SkinCube extends MeshView {
         }
 
         public static int[] createFaces() {
-			int faces[] = new int[]{
+            int[] faces = new int[]{
                     // TOP
                     5, 0, 4, 1, 0, 5,    //P5,T0, P4,T1, P0,T5
                     5, 0, 0, 5, 1, 4,    //P5,T0, P0,T5, P1,T4

HMCL/src/main/java/moe/mickey/minecraft/skin/fx/SkinHelper.java

@@ -1,18 +1,20 @@
 package moe.mickey.minecraft.skin.fx;
 
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.IOException;
-
-import javax.imageio.ImageIO;
-
 import javafx.embed.swing.SwingFXUtils;
 import javafx.scene.image.Image;
 import javafx.scene.image.PixelReader;
 import javafx.scene.image.PixelWriter;
 import javafx.scene.image.WritableImage;
 
-public interface SkinHelper {
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+
+public final class SkinHelper {
+
+    private SkinHelper() {
+    }
 
     public static class PixelCopyer {
 

HMCL/src/main/java/moe/mickey/minecraft/skin/fx/SkinMultipleCubes.java

@@ -1,8 +1,5 @@
 package moe.mickey.minecraft.skin.fx;
 
-import java.util.function.BiConsumer;
-import java.util.function.Supplier;
-
 import javafx.geometry.Point2D;
 import javafx.scene.Group;
 import javafx.scene.image.Image;
@@ -12,6 +9,9 @@ import javafx.scene.paint.Material;
 import javafx.scene.paint.PhongMaterial;
 import javafx.scene.shape.Box;
 
+import java.util.function.BiConsumer;
+import java.util.function.Supplier;
+
 public class SkinMultipleCubes extends Group {
 
     public static class Face extends Group {

HMCL/src/main/java/moe/mickey/minecraft/skin/fx/SkinTransition.java

@@ -1,13 +1,13 @@
 package moe.mickey.minecraft.skin.fx;
 
-import java.util.Arrays;
-import java.util.List;
-import java.util.function.Function;
-
 import javafx.animation.Transition;
 import javafx.beans.value.WritableValue;
 import javafx.util.Duration;
 
+import java.util.Arrays;
+import java.util.List;
+import java.util.function.Function;
+
 public class SkinTransition extends Transition {
 
     protected Function<Double, Double> expression;

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/HintPane.java

@@ -22,17 +22,12 @@ import javafx.beans.property.StringProperty;
 import javafx.geometry.Insets;
 import javafx.geometry.Pos;
 import javafx.scene.Node;
-import javafx.scene.control.Label;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
-import javafx.scene.paint.Color;
 import javafx.scene.text.Text;
 import javafx.scene.text.TextFlow;
 import org.jackhuang.hmcl.setting.Theme;
 import org.jackhuang.hmcl.ui.SVG;
-import org.jackhuang.hmcl.util.javafx.BindingMapping;
-
-import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
 
 public class HintPane extends VBox {
     private final Text label = new Text();

HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/DownloadListPage.java

@@ -58,7 +58,6 @@ import org.jackhuang.hmcl.util.AggregatedObservableList;
 import org.jackhuang.hmcl.util.StringUtils;
 import org.jackhuang.hmcl.util.i18n.I18n;
 import org.jackhuang.hmcl.util.javafx.BindingMapping;
-import org.jackhuang.hmcl.util.versioning.VersionNumber;
 
 import java.io.File;
 import java.util.*;

HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/GameListPage.java

@@ -30,7 +30,6 @@ import javafx.scene.layout.VBox;
 import org.jackhuang.hmcl.event.EventBus;
 import org.jackhuang.hmcl.event.RefreshingVersionsEvent;
 import org.jackhuang.hmcl.game.HMCLGameRepository;
-import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.Profiles;
 import org.jackhuang.hmcl.ui.*;
@@ -40,11 +39,8 @@ import org.jackhuang.hmcl.ui.decorator.DecoratorPage;
 import org.jackhuang.hmcl.ui.profile.ProfileListItem;
 import org.jackhuang.hmcl.ui.profile.ProfilePage;
 import org.jackhuang.hmcl.util.javafx.MappedObservableList;
-import org.jackhuang.hmcl.util.versioning.VersionNumber;
 
 import java.util.Collections;
-import java.util.Comparator;
-import java.util.Date;
 import java.util.List;
 import java.util.stream.Collectors;
 

HMCLCore/src/main/java/org/jackhuang/hmcl/util/CacheRepository.java

@@ -17,7 +17,17 @@
  */
 package org.jackhuang.hmcl.util;
 
-import java.io.*;
+import com.google.gson.JsonParseException;
+import com.google.gson.annotations.SerializedName;
+import org.jackhuang.hmcl.util.function.ExceptionalSupplier;
+import org.jackhuang.hmcl.util.gson.JsonUtils;
+import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.IOUtils;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.RandomAccessFile;
 import java.net.URLConnection;
 import java.nio.channels.Channels;
 import java.nio.channels.FileChannel;
@@ -32,17 +42,9 @@ import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReadWriteLock;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 import java.util.function.BiFunction;
-import java.util.function.Supplier;
 import java.util.logging.Level;
 import java.util.stream.Stream;
 
-import com.google.gson.JsonParseException;
-import com.google.gson.annotations.SerializedName;
-import org.jackhuang.hmcl.util.function.ExceptionalSupplier;
-import org.jackhuang.hmcl.util.gson.JsonUtils;
-import org.jackhuang.hmcl.util.io.FileUtils;
-import org.jackhuang.hmcl.util.io.IOUtils;
-
 import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.jackhuang.hmcl.util.Logging.LOG;