Datapack resolving

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

@@ -0,0 +1,10 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import org.jackhuang.hmcl.ui.ListPage;
+
+public class DatapackList extends ListPage<DatapackListItem> {
+    @Override
+    public void add() {
+
+    }
+}

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

@@ -0,0 +1,46 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import com.jfoenix.concurrency.JFXUtilities;
+import com.jfoenix.controls.JFXButton;
+import com.jfoenix.controls.JFXCheckBox;
+import com.jfoenix.effects.JFXDepthManager;
+import javafx.geometry.Pos;
+import javafx.scene.layout.BorderPane;
+import org.jackhuang.hmcl.mod.Datapack;
+import org.jackhuang.hmcl.setting.Theme;
+import org.jackhuang.hmcl.ui.FXUtils;
+import org.jackhuang.hmcl.ui.SVG;
+import org.jackhuang.hmcl.ui.construct.TwoLineListItem;
+
+import java.util.function.Consumer;
+
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
+public class DatapackListItem extends BorderPane {
+
+    public DatapackListItem(Datapack root, Datapack.Pack info, Consumer<DatapackListItem> deleteCallback) {
+        JFXCheckBox chkEnabled = new JFXCheckBox();
+        BorderPane.setAlignment(chkEnabled, Pos.CENTER);
+        setLeft(chkEnabled);
+
+        TwoLineListItem modItem = new TwoLineListItem();
+        BorderPane.setAlignment(modItem, Pos.CENTER);
+        setCenter(modItem);
+
+        JFXButton btnRemove = new JFXButton();
+        JFXUtilities.runInFX(() -> {
+            FXUtils.installTooltip(btnRemove, i18n("mods.remove"));
+        });
+        btnRemove.setOnMouseClicked(e -> deleteCallback.accept(this));
+        btnRemove.getStyleClass().add("toggle-icon4");
+        BorderPane.setAlignment(btnRemove, Pos.CENTER);
+        btnRemove.setGraphic(SVG.close(Theme.blackFillBinding(), 15, 15));
+        setRight(btnRemove);
+
+        setStyle("-fx-background-radius: 2; -fx-background-color: white; -fx-padding: 8;");
+        JFXDepthManager.setDepth(this, 1);
+        modItem.setTitle(info.getId());
+        modItem.setSubtitle(info.getDescription());
+        chkEnabled.selectedProperty().bindBidirectional(info.activeProperty());
+    }
+}

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

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see {http://www.gnu.org/licenses/}.
  */
-package org.jackhuang.hmcl.ui;
+package org.jackhuang.hmcl.ui.versions;
 
 import com.jfoenix.concurrency.JFXUtilities;
 import com.jfoenix.controls.JFXButton;
@@ -25,6 +25,8 @@ import javafx.geometry.Pos;
 import javafx.scene.layout.BorderPane;
 import org.jackhuang.hmcl.mod.ModInfo;
 import org.jackhuang.hmcl.setting.Theme;
+import org.jackhuang.hmcl.ui.FXUtils;
+import org.jackhuang.hmcl.ui.SVG;
 import org.jackhuang.hmcl.ui.construct.TwoLineListItem;
 import org.jackhuang.hmcl.util.StringUtils;
 

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

@@ -28,7 +28,6 @@ import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.Controllers;
 import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.ListPage;
-import org.jackhuang.hmcl.ui.ModItem;
 import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.Logging;
 

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

@@ -0,0 +1,12 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import org.jackhuang.hmcl.ui.ListPage;
+
+public class WorldList extends ListPage<WorldListItem> {
+
+
+    @Override
+    public void add() {
+        // Not adding world here.
+    }
+}

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

@@ -0,0 +1,56 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import javafx.beans.property.*;
+import javafx.scene.control.Control;
+import javafx.scene.control.Skin;
+import javafx.scene.image.Image;
+import javafx.stage.FileChooser;
+import org.jackhuang.hmcl.game.World;
+import org.jackhuang.hmcl.ui.Controllers;
+
+import java.io.File;
+
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
+public class WorldListItem extends Control {
+    private final StringProperty title = new SimpleStringProperty();
+    private final StringProperty subtitle = new SimpleStringProperty();
+    private final ObjectProperty<Image> image = new SimpleObjectProperty<>();
+    private final World world;
+
+    public WorldListItem(World world) {
+        this.world = world;
+    }
+
+    @Override
+    protected Skin<?> createDefaultSkin() {
+        return new WorldListItemSkin(this);
+    }
+
+    public StringProperty titleProperty() {
+        return title;
+    }
+
+    public StringProperty subtitleProperty() {
+        return subtitle;
+    }
+
+    public ObjectProperty<Image> imageProperty() {
+        return image;
+    }
+
+    public void export() {
+        FileChooser fileChooser = new FileChooser();
+        fileChooser.setTitle(i18n("world.export.title"));
+        fileChooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(i18n("world"), "*.zip"));
+        File file = fileChooser.showSaveDialog(Controllers.getStage());
+        if (file == null) {
+            return;
+        }
+
+
+    }
+
+    public void manageDatapacks() {
+    }
+}

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

@@ -0,0 +1,90 @@
+package org.jackhuang.hmcl.ui.versions;
+
+import com.jfoenix.controls.JFXButton;
+import com.jfoenix.controls.JFXPopup;
+import com.jfoenix.effects.JFXDepthManager;
+import javafx.geometry.Pos;
+import javafx.scene.Node;
+import javafx.scene.control.SkinBase;
+import javafx.scene.image.ImageView;
+import javafx.scene.layout.BorderPane;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.StackPane;
+import javafx.scene.layout.VBox;
+import org.jackhuang.hmcl.setting.Theme;
+import org.jackhuang.hmcl.ui.FXUtils;
+import org.jackhuang.hmcl.ui.SVG;
+import org.jackhuang.hmcl.ui.construct.IconedMenuItem;
+import org.jackhuang.hmcl.ui.construct.TwoLineListItem;
+
+import java.util.function.Function;
+
+import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
+
+public class WorldListItemSkin extends SkinBase<WorldListItem> {
+
+    public WorldListItemSkin(WorldListItem skinnable) {
+        super(skinnable);
+
+        BorderPane root = new BorderPane();
+
+
+        HBox center = new HBox();
+        center.setSpacing(8);
+        center.setAlignment(Pos.CENTER_LEFT);
+
+        StackPane imageViewContainer = new StackPane();
+        FXUtils.setLimitWidth(imageViewContainer, 32);
+        FXUtils.setLimitHeight(imageViewContainer, 32);
+
+        ImageView imageView = new ImageView();
+        FXUtils.limitSize(imageView, 32, 32);
+        imageView.imageProperty().bind(skinnable.imageProperty());
+        imageViewContainer.getChildren().setAll(imageView);
+
+        TwoLineListItem item = new TwoLineListItem();
+        BorderPane.setAlignment(item, Pos.CENTER);
+        center.getChildren().setAll(imageView, item);
+        root.setCenter(center);
+
+        VBox menu = new VBox();
+        JFXPopup popup = new JFXPopup(menu);
+
+        Function<Runnable, Runnable> wrap = r -> () -> {
+            r.run();
+            popup.hide();
+        };
+
+        Function<Node, Node> limitWidth = node -> {
+            StackPane pane = new StackPane(node);
+            pane.setAlignment(Pos.CENTER);
+            FXUtils.setLimitWidth(pane, 14);
+            FXUtils.setLimitHeight(pane, 14);
+            return pane;
+        };
+
+        menu.getChildren().setAll(
+                new IconedMenuItem(limitWidth.apply(SVG.gear(Theme.blackFillBinding(), 14, 14)), i18n("world.datapack"), wrap.apply(skinnable::manageDatapacks)),
+                new IconedMenuItem(limitWidth.apply(SVG.export(Theme.blackFillBinding(), 14, 14)), i18n("world.export"), wrap.apply(skinnable::export)));
+
+        HBox right = new HBox();
+        right.setAlignment(Pos.CENTER_RIGHT);
+
+        JFXButton btnManage = new JFXButton();
+        btnManage.setOnMouseClicked(e -> {
+            popup.show(root, JFXPopup.PopupVPosition.TOP, JFXPopup.PopupHPosition.RIGHT, 0, root.getHeight());
+        });
+        btnManage.getStyleClass().add("toggle-icon4");
+        BorderPane.setAlignment(btnManage, Pos.CENTER);
+        btnManage.setGraphic(SVG.dotsVertical(Theme.blackFillBinding(), -1, -1));
+        right.getChildren().add(btnManage);
+        root.setRight(right);
+
+        root.setStyle("-fx-background-color: white; -fx-padding: 8 8 8 0;");
+        JFXDepthManager.setDepth(root, 1);
+        item.titleProperty().bind(skinnable.titleProperty());
+        item.subtitleProperty().bind(skinnable.subtitleProperty());
+
+        getChildren().setAll(root);
+    }
+}

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

@@ -240,6 +240,15 @@ mods.add.success=Successfully added mods %s.
 mods.choose_mod=Choose your mods
 mods.remove=Remove
 
+datapack=Data packs
+datapack.add=Add data pack
+datapack.remove=Remove
+
+world=Worlds
+world.datapack=Manage data packs
+world.export=Export this world
+world.export.title=Choose a file location to hold your world
+
 profile=Game Directories
 profile.default=Current directory
 profile.home=User home

HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/LibraryDownloadTask.java

@@ -15,6 +15,7 @@ import org.tukaani.xz.XZInputStream;
 import java.io.*;
 import java.net.URL;
 import java.nio.charset.Charset;
+import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.*;
 import java.util.jar.JarEntry;
@@ -75,7 +76,7 @@ public class LibraryDownloadTask extends Task {
             else
                 throw new LibraryDownloadException(library, t);
         } else {
-            if (xz) unpackLibrary(jar, FileUtils.readBytes(xzFile));
+            if (xz) unpackLibrary(jar, Files.readAllBytes(xzFile.toPath()));
             if (!checksumValid(jar, library.getChecksums())) {
                 jar.delete();
                 throw new IOException("Checksum failed for " + library);
@@ -125,7 +126,7 @@ public class LibraryDownloadTask extends Task {
             if (checksums == null || checksums.isEmpty()) {
                 return true;
             }
-            byte[] fileData = FileUtils.readBytes(libPath);
+            byte[] fileData = Files.readAllBytes(libPath.toPath());
             boolean valid = checksums.contains(encodeHex(digest("SHA-1", fileData)));
             if (!valid && libPath.getName().endsWith(".jar")) {
                 valid = validateJar(fileData, checksums);

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

@@ -0,0 +1,4 @@
+package org.jackhuang.hmcl.game;
+
+public class World {
+}

HMCLCore/src/main/java/org/jackhuang/hmcl/mod/Datapack.java

@@ -0,0 +1,185 @@
+package org.jackhuang.hmcl.mod;
+
+import com.google.gson.JsonParseException;
+import com.google.gson.annotations.SerializedName;
+import javafx.beans.property.BooleanProperty;
+import javafx.beans.property.SimpleBooleanProperty;
+import org.jackhuang.hmcl.util.*;
+
+import java.io.IOException;
+import java.nio.file.FileSystem;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.*;
+
+public class Datapack {
+    private final Path path;
+    private final List<Pack> info;
+
+    private Datapack(Path path, List<Pack> info) {
+        this.path = path;
+        this.info = Collections.unmodifiableList(info);
+
+        for (Pack pack : info) {
+            pack.datapack = this;
+        }
+    }
+
+    public Path getPath() {
+        return path;
+    }
+
+    public List<Pack> getInfo() {
+        return info;
+    }
+
+    public void installTo(Path worldPath) throws IOException {
+        Path datapacks = worldPath.resolve("datapacks");
+
+        Set<String> packs = new HashSet<>();
+        for (Pack pack : info) packs.add(pack.getId());
+
+        for (Path datapack : Files.newDirectoryStream(datapacks)) {
+            if (packs.contains(FileUtils.getName(datapack)))
+                FileUtils.deleteDirectory(datapack.toFile());
+        }
+
+        new Unzipper(path, worldPath).setReplaceExistentFile(true).unzip();
+    }
+
+    public static Datapack fromZip(Path path) throws IOException {
+        try (FileSystem fs = CompressingUtils.createReadOnlyZipFileSystem(path)) {
+            Datapack datapack = fromDir(fs.getPath("/datapacks/"));
+            return new Datapack(path, datapack.info);
+        }
+    }
+
+    /**
+     *
+     * @param dir
+     * @return
+     * @throws IOException
+     */
+    public static Datapack fromDir(Path dir) throws IOException {
+        List<Pack> info = new LinkedList<>();
+
+        for (Path subDir : Files.newDirectoryStream(dir)) {
+            Path mcmeta = subDir.resolve("pack.mcmeta");
+
+            if (!Files.exists(mcmeta))
+                continue;
+
+            PackMcMeta pack = JsonUtils.fromNonNullJson(FileUtils.readText(mcmeta), PackMcMeta.class);
+            info.add(new Pack(mcmeta, FileUtils.getName(subDir), pack.getPackInfo().getDescription()));
+        }
+        return new Datapack(dir, info);
+    }
+
+    public static class Pack {
+        private Path packMcMeta;
+        private final BooleanProperty active;
+        private final String id;
+        private final String description;
+        private Datapack datapack;
+
+        public Pack(Path packMcMeta, String id, String description) {
+            this.packMcMeta = packMcMeta;
+            this.id = id;
+            this.description = description;
+
+            active = new SimpleBooleanProperty(this, "active", !DISABLED_EXT.equals(FileUtils.getExtension(packMcMeta))) {
+                @Override
+                protected void invalidated() {
+                    Path f = Pack.this.packMcMeta.toAbsolutePath(), newF;
+                    if (DISABLED_EXT.equals(FileUtils.getExtension(f)))
+                        newF = f.getParent().resolve(FileUtils.getNameWithoutExtension(f));
+                    else
+                        newF = f.getParent().resolve(FileUtils.getName(f) + DISABLED_EXT);
+
+                    try {
+                        Files.move(f, newF);
+                        Pack.this.packMcMeta = newF;
+                    } catch (IOException e) {
+                        // Mod file is occupied.
+                        Logging.LOG.warning("Unable to rename file " + f + " to " + newF);
+                    }
+                }
+            };
+        }
+
+        public String getId() {
+            return id;
+        }
+
+        public String getDescription() {
+            return description;
+        }
+
+        public Datapack getDatapack() {
+            return datapack;
+        }
+
+        public BooleanProperty activeProperty() {
+            return active;
+        }
+
+        public boolean isActive() {
+            return active.get();
+        }
+
+        public void setActive(boolean active) {
+            this.active.set(active);
+        }
+    }
+
+    private static class PackMcMeta implements Validation {
+
+        @SerializedName("pack")
+        private final PackInfo pack;
+
+        public PackMcMeta() {
+            this(new PackInfo());
+        }
+
+        public PackMcMeta(PackInfo packInfo) {
+            this.pack = packInfo;
+        }
+
+        public PackInfo getPackInfo() {
+            return pack;
+        }
+
+        @Override
+        public void validate() throws JsonParseException {
+            if (pack == null)
+                throw new JsonParseException("pack cannot be null");
+        }
+
+        public static class PackInfo {
+            @SerializedName("pack_format")
+            private final int packFormat;
+
+            @SerializedName("description")
+            private final String description;
+
+            public PackInfo() {
+                this(0, "");
+            }
+
+            public PackInfo(int packFormat, String description) {
+                this.packFormat = packFormat;
+                this.description = description;
+            }
+
+            public int getPackFormat() {
+                return packFormat;
+            }
+
+            public String getDescription() {
+                return description;
+            }
+        }
+    }
+
+    private static final String DISABLED_EXT = ".disabled";
+}

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

@@ -43,10 +43,18 @@ public final class FileUtils {
         return StringUtils.substringBeforeLast(file.getName(), '.');
     }
 
+    public static String getNameWithoutExtension(Path file) {
+        return StringUtils.substringBeforeLast(getName(file), '.');
+    }
+
     public static String getExtension(File file) {
         return StringUtils.substringAfterLast(file.getName(), '.');
     }
 
+    public static String getExtension(Path file) {
+        return StringUtils.substringAfterLast(getName(file), '.');
+    }
+
     /**
      * This method is for normalizing ZipPath since Path.normalize of ZipFileSystem does not work properly.
      */
@@ -63,11 +71,15 @@ public final class FileUtils {
     }
 
     public static String readText(File file, Charset charset) throws IOException {
-        return new String(readBytes(file), charset);
+        return new String(Files.readAllBytes(file.toPath()), charset);
     }
 
-    public static byte[] readBytes(File file) throws IOException {
+    public static String readText(Path file) throws IOException {
-        return Files.readAllBytes(file.toPath());
+        return readText(file, UTF_8);
+    }
+
+    public static String readText(Path file, Charset charset) throws IOException {
+        return new String(Files.readAllBytes(file), charset);
     }
 
     public static void writeText(File file, String text) throws IOException {

build.gradle

@@ -45,6 +45,7 @@ subprojects {
         compile group: 'org.tukaani', name: 'xz', version: '1.8'
         compile group: 'org.hildan.fxgson', name: 'fx-gson', version: '3.1.0'
         compile group: 'org.jenkins-ci', name: 'constant-pool-scanner', version: '1.2'
+        compile group: 'org.spacehq', name: 'opennbt', version: '1.0'
         testCompile group: 'junit', name: 'junit', version: '4.12'
     }