Update welcome.png

HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java

@@ -145,6 +145,9 @@ public final class Config implements Cloneable, Observable {
     @SerializedName("_version")
     private IntegerProperty configVersion = new SimpleIntegerProperty(0);
 
+    @SerializedName("uiVersion")
+    private IntegerProperty uiVersion = new SimpleIntegerProperty(0);
+
     private transient ObservableHelper helper = new ObservableHelper(this);
 
     public Config() {
@@ -440,4 +443,27 @@ public final class Config implements Cloneable, Observable {
         this.updateChannel.set(updateChannel);
     }
 
+    public int getConfigVersion() {
+        return configVersion.get();
+    }
+
+    public IntegerProperty configVersionProperty() {
+        return configVersion;
+    }
+
+    public void setConfigVersion(int configVersion) {
+        this.configVersion.set(configVersion);
+    }
+
+    public int getUiVersion() {
+        return uiVersion.get();
+    }
+
+    public IntegerProperty uiVersionProperty() {
+        return uiVersion;
+    }
+
+    public void setUiVersion(int uiVersion) {
+        this.uiVersion.set(uiVersion);
+    }
 }

HMCL/src/main/java/org/jackhuang/hmcl/setting/ConfigUpgrader.java

@@ -29,6 +29,8 @@ import java.util.Map;
 import static org.jackhuang.hmcl.util.Lang.tryCast;
 
 final class ConfigUpgrader {
+    private static final int VERSION = 0;
+
     private ConfigUpgrader() {
     }
 
@@ -37,10 +39,22 @@ final class ConfigUpgrader {
      *
      * @param deserialized deserialized config settings
      * @param rawJson      raw json structure of the config settings without modification
+     * @return true if config version is upgraded
      */
-    static void upgradeConfig(Config deserialized, Map<?, ?> rawJson) {
+    static boolean upgradeConfig(Config deserialized, Map<?, ?> rawJson) {
+        boolean upgraded;
+        if (deserialized.getConfigVersion() < VERSION) {
+            deserialized.setConfigVersion(VERSION);
+            // TODO: Add upgrade code here.
+            upgraded = true;
+        } else {
+            upgraded = false;
+        }
+
         upgradeV2(deserialized, rawJson);
         upgradeV3(deserialized, rawJson);
+
+        return upgraded;
     }
 
     /**

HMCL/src/main/java/org/jackhuang/hmcl/ui/Controllers.java

@@ -59,6 +59,7 @@ import static org.jackhuang.hmcl.setting.ConfigHolder.config;
 import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
 
 public final class Controllers {
+    public static final int UI_VERSION = 1;
 
     private static Scene scene;
     private static Stage stage;

HMCL/src/main/java/org/jackhuang/hmcl/ui/decorator/DecoratorController.java

@@ -106,8 +106,11 @@ public class DecoratorController {
             );
             nowAnimation.play();
         });
-        if (ConfigHolder.isNewlyCreated() && config().getLocalization().getLocale() == Locale.CHINA)
+
+        if (ConfigHolder.config().getUiVersion() < Controllers.UI_VERSION && config().getLocalization().getLocale() == Locale.CHINA) {
+            ConfigHolder.config().setUiVersion(Controllers.UI_VERSION);
             decorator.getContainer().setAll(welcomeView);
+        }
 
         setupBackground();