在世界管理界面显示世界图标 (#3689)

* 在世界管理界面显示世界图标

* update

* update

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

@@ -48,8 +48,8 @@ public class WorldListItem extends Control {
         this.world = world;
 
         title.set(parseColorEscapes(world.getWorldName()));
-
         subtitle.set(i18n("world.description", world.getFileName(), formatDateTime(Instant.ofEpochMilli(world.getLastPlayed())), world.getGameVersion() == null ? i18n("message.unknown") : world.getGameVersion()));
+        image.set(world.getIcon());
 
         FXUtils.onClicked(this, this::showInfo);
     }

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

@@ -19,9 +19,11 @@ package org.jackhuang.hmcl.ui.versions;
 
 import com.jfoenix.controls.JFXButton;
 import com.jfoenix.controls.JFXPopup;
+import javafx.beans.value.ChangeListener;
 import javafx.geometry.Insets;
 import javafx.geometry.Pos;
 import javafx.scene.control.SkinBase;
+import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.HBox;
@@ -38,6 +40,9 @@ import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
 
 public class WorldListItemSkin extends SkinBase<WorldListItem> {
 
+    @SuppressWarnings({"FieldCanBeLocal", "unused"})
+    private final ChangeListener<Image> iconListener;
+
     public WorldListItemSkin(WorldListItem skinnable) {
         super(skinnable);
 
@@ -54,14 +59,15 @@ public class WorldListItemSkin extends SkinBase<WorldListItem> {
 
         ImageView imageView = new ImageView();
         FXUtils.limitSize(imageView, 32, 32);
-        imageView.imageProperty().bind(skinnable.imageProperty());
+        iconListener = FXUtils.onWeakChangeAndOperate(skinnable.imageProperty(), image ->
+                imageView.setImage(image == null ? FXUtils.newBuiltinImage("/assets/img/unknown_server.png") : image));
         imageViewContainer.getChildren().setAll(imageView);
 
         TwoLineListItem item = new TwoLineListItem();
         item.titleProperty().bind(skinnable.titleProperty());
         item.subtitleProperty().bind(skinnable.subtitleProperty());
         BorderPane.setAlignment(item, Pos.CENTER);
-        center.getChildren().setAll(imageView, item);
+        center.getChildren().setAll(imageViewContainer, item);
         root.setCenter(center);
 
         PopupMenu menu = new PopupMenu();

HMCLCore/src/main/java/org/jackhuang/hmcl/game/World.java

@@ -22,6 +22,7 @@ import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
 import com.github.steveice10.opennbt.tag.builtin.LongTag;
 import com.github.steveice10.opennbt.tag.builtin.StringTag;
 import com.github.steveice10.opennbt.tag.builtin.Tag;
+import javafx.scene.image.Image;
 import org.jackhuang.hmcl.util.io.CompressingUtils;
 import org.jackhuang.hmcl.util.io.FileUtils;
 import org.jackhuang.hmcl.util.io.Unzipper;
@@ -46,6 +47,7 @@ public class World {
     private String worldName;
     private String gameVersion;
     private long lastPlayed;
+    private Image icon;
 
     public World(Path file) throws IOException {
         this.file = file;
@@ -62,6 +64,17 @@ public class World {
         fileName = FileUtils.getName(file);
         Path levelDat = file.resolve("level.dat");
         getWorldName(levelDat);
+
+        Path iconFile = file.resolve("icon.png");
+        if (Files.isRegularFile(iconFile)) {
+            try (InputStream inputStream = Files.newInputStream(iconFile)) {
+                icon = new Image(inputStream, 64, 64, true, false);
+                if (icon.isError())
+                    throw icon.getException();
+            } catch (Exception e) {
+                LOG.warning("Failed to load world icon", e);
+            }
+        }
     }
 
     public Path getFile() {
@@ -88,12 +101,27 @@ public class World {
         return gameVersion;
     }
 
+    public Image getIcon() {
+        return icon;
+    }
+
     private void loadFromZipImpl(Path root) throws IOException {
         Path levelDat = root.resolve("level.dat");
         if (!Files.exists(levelDat))
             throw new IOException("Not a valid world zip file since level.dat cannot be found.");
 
         getWorldName(levelDat);
+
+        Path iconFile = root.resolve("icon.png");
+        if (Files.isRegularFile(iconFile)) {
+            try (InputStream inputStream = Files.newInputStream(iconFile)) {
+                icon = new Image(inputStream, 64, 64, true, false);
+                if (icon.isError())
+                    throw icon.getException();
+            } catch (Exception e) {
+                LOG.warning("Failed to load world icon", e);
+            }
+        }
     }
 
     private void loadFromZip() throws IOException {