added asset workspace working with packer

prometeu-studio/src/main/java/p/studio/utilities/i18n/I18n.java

@@ -145,6 +145,7 @@ public enum I18n {
     ASSETS_INPUTS_EMPTY("assets.inputs.empty"),
     ASSETS_DIAGNOSTICS_EMPTY("assets.diagnostics.empty"),
     ASSETS_PREVIEW_EMPTY("assets.preview.empty"),
+    ASSETS_PREVIEW_ZOOM("assets.preview.zoom"),
     ASSETS_PREVIEW_TEXT_ERROR("assets.preview.textError"),
     ASSETS_PREVIEW_IMAGE_ERROR("assets.preview.imageError"),
     ASSETS_PREVIEW_AUDIO_PLACEHOLDER("assets.preview.audioPlaceholder"),

prometeu-studio/src/main/java/p/studio/workspaces/assets/AssetNavigatorProjectionBuilder.java

@@ -9,11 +9,11 @@ public final class AssetNavigatorProjectionBuilder {
 
     public static AssetNavigatorProjection build(
             List<AssetWorkspaceAssetSummary> assets,
-            Path assetsRoot,
+            Path projectRoot,
             String searchQuery,
             Set<AssetNavigatorFilter> filters) {
         Objects.requireNonNull(assets, "assets");
-        final Path normalizedAssetsRoot = Objects.requireNonNull(assetsRoot, "assetsRoot").toAbsolutePath().normalize();
+        final Path normalizedProjectRoot = Objects.requireNonNull(projectRoot, "projectRoot").toAbsolutePath().normalize();
         final String normalizedQuery = normalizeQuery(searchQuery);
         final Set<AssetNavigatorFilter> normalizedFilters = filters == null || filters.isEmpty()
                 ? EnumSet.noneOf(AssetNavigatorFilter.class)
@@ -21,10 +21,10 @@ public final class AssetNavigatorProjectionBuilder {
 
         final Map<String, List<AssetWorkspaceAssetSummary>> grouped = new LinkedHashMap<>();
         for (AssetWorkspaceAssetSummary asset : assets) {
-            if (!matchesFilters(asset, normalizedFilters) || !matchesQuery(asset, normalizedAssetsRoot, normalizedQuery)) {
+            if (!matchesFilters(asset, normalizedFilters) || !matchesQuery(asset, normalizedProjectRoot, normalizedQuery)) {
                 continue;
             }
-            grouped.computeIfAbsent(groupLabel(asset, normalizedAssetsRoot), ignored -> new ArrayList<>())
+            grouped.computeIfAbsent(groupLabel(asset, normalizedProjectRoot), ignored -> new ArrayList<>())
                     .add(asset);
         }
 
@@ -35,8 +35,8 @@ public final class AssetNavigatorProjectionBuilder {
         return new AssetNavigatorProjection(groups, visibleAssetCount);
     }
 
-    static String relativeRoot(AssetWorkspaceAssetSummary asset, Path assetsRoot) {
+    static String relativeRoot(AssetWorkspaceAssetSummary asset, Path projectRoot) {
-        return relativize(asset.assetRoot(), assetsRoot).toString().replace('\\', '/');
+        return relativize(asset.assetRoot(), projectRoot).toString().replace('\\', '/');
     }
 
     private static boolean matchesFilters(AssetWorkspaceAssetSummary asset, Set<AssetNavigatorFilter> filters) {
@@ -65,29 +65,29 @@ public final class AssetNavigatorProjectionBuilder {
         return true;
     }
 
-    private static boolean matchesQuery(AssetWorkspaceAssetSummary asset, Path assetsRoot, String normalizedQuery) {
+    private static boolean matchesQuery(AssetWorkspaceAssetSummary asset, Path projectRoot, String normalizedQuery) {
         if (normalizedQuery.isBlank()) {
             return true;
         }
 
-        final String relativeRoot = relativeRoot(asset, assetsRoot);
+        final String relativeRoot = relativeRoot(asset, projectRoot);
         return asset.assetName().toLowerCase(Locale.ROOT).contains(normalizedQuery)
                 || asset.assetFamily().toLowerCase(Locale.ROOT).contains(normalizedQuery)
                 || relativeRoot.toLowerCase(Locale.ROOT).contains(normalizedQuery);
     }
 
-    private static String groupLabel(AssetWorkspaceAssetSummary asset, Path assetsRoot) {
+    private static String groupLabel(AssetWorkspaceAssetSummary asset, Path projectRoot) {
-        final Path relativeRoot = relativize(asset.assetRoot(), assetsRoot);
+        final Path relativeRoot = relativize(asset.assetRoot(), projectRoot);
         final Path parent = relativeRoot.getParent();
         if (parent == null) {
-            return "assets";
+            return relativeRoot.toString().replace('\\', '/');
         }
         return parent.toString().replace('\\', '/');
     }
 
-    private static Path relativize(Path assetRoot, Path assetsRoot) {
+    private static Path relativize(Path assetRoot, Path projectRoot) {
         try {
-            return assetsRoot.relativize(assetRoot.toAbsolutePath().normalize());
+            return projectRoot.relativize(assetRoot.toAbsolutePath().normalize());
         } catch (IllegalArgumentException ignored) {
             return assetRoot.getFileName();
         }

prometeu-studio/src/main/java/p/studio/workspaces/assets/AssetWorkspace.java

@@ -9,24 +9,20 @@ import javafx.scene.control.*;
 import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.layout.*;
+import p.packer.declarations.PackerAssetDeclarationParser;
+import p.packer.foundation.PackerWorkspaceFoundation;
+import p.packer.workspace.FileSystemPackerWorkspaceService;
 import p.studio.Container;
 import p.studio.events.*;
 import p.studio.projects.ProjectReference;
 import p.studio.utilities.i18n.I18n;
 import p.studio.workspaces.Workspace;
 import p.studio.workspaces.WorkspaceId;
-import p.packer.declarations.PackerAssetDeclarationParser;
-import p.packer.foundation.PackerWorkspaceFoundation;
-import p.packer.workspace.FileSystemPackerWorkspaceService;
 
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.EnumMap;
+import java.util.*;
-import java.util.EnumSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
 import java.util.concurrent.CompletableFuture;
 
 public final class AssetWorkspace implements Workspace {
@@ -46,6 +42,7 @@ public final class AssetWorkspace implements Workspace {
     private final VBox detailsContent = new VBox(12);
     private final Label workspaceSummaryLabel = new Label();
     private final TextArea logsArea = new TextArea();
+    private final ScrollPane detailsScroll = new ScrollPane();
 
     private final Map<AssetNavigatorFilter, ToggleButton> filterButtons = new EnumMap<>(AssetNavigatorFilter.class);
     private final EnumSet<AssetNavigatorFilter> activeFilters = EnumSet.noneOf(AssetNavigatorFilter.class);
@@ -56,6 +53,7 @@ public final class AssetWorkspace implements Workspace {
     private volatile String detailsErrorMessage;
     private volatile AssetWorkspaceMutationPreview stagedMutationPreview;
     private volatile Path selectedPreviewInput;
+    private volatile int selectedPreviewZoom = 1;
     private String searchQuery = "";
 
     public AssetWorkspace(ProjectReference projectReference) {
@@ -167,7 +165,7 @@ public final class AssetWorkspace implements Workspace {
         detailsTitle.getStyleClass().add("assets-workspace-pane-title");
         workspaceSummaryLabel.getStyleClass().add("assets-workspace-summary");
         detailsContent.getStyleClass().add("assets-workspace-details-content");
-        final ScrollPane detailsScroll = new ScrollPane(detailsContent);
+        detailsScroll.setContent(detailsContent);
         detailsScroll.setFitToWidth(true);
         detailsScroll.setHbarPolicy(ScrollPane.ScrollBarPolicy.NEVER);
         detailsScroll.getStyleClass().add("assets-workspace-details-scroll");
@@ -231,6 +229,7 @@ public final class AssetWorkspace implements Workspace {
         detailsErrorMessage = null;
         stagedMutationPreview = null;
         selectedPreviewInput = null;
+        selectedPreviewZoom = 1;
         setInlineProgress(Container.i18n().text(I18n.ASSETS_PROGRESS_REFRESHING), ProgressBar.INDETERMINATE_PROGRESS, true);
         appendLog("Assets refresh started.");
         renderState();
@@ -268,6 +267,7 @@ public final class AssetWorkspace implements Workspace {
         detailsErrorMessage = null;
         stagedMutationPreview = null;
         selectedPreviewInput = null;
+        selectedPreviewZoom = 1;
         setInlineProgress(Container.i18n().text(I18n.ASSETS_PROGRESS_LOADING_DETAILS), ProgressBar.INDETERMINATE_PROGRESS, true);
         appendLog("Loading details for " + selectionKey.stableKey() + ".");
         renderState();
@@ -291,6 +291,7 @@ public final class AssetWorkspace implements Workspace {
                     selectedAssetDetails = details;
                     detailsStatus = AssetWorkspaceDetailsStatus.READY;
                     selectedPreviewInput = firstPreviewInput(details);
+                    selectedPreviewZoom = 1;
                     setInlineProgress(Container.i18n().text(I18n.ASSETS_PROGRESS_IDLE), 0, false);
                     appendLog("Asset details ready for " + details.summary().assetName() + ".");
                     renderState();
@@ -319,7 +320,7 @@ public final class AssetWorkspace implements Workspace {
             case READY -> {
                 final AssetNavigatorProjection projection = AssetNavigatorProjectionBuilder.build(
                         state.assets(),
-                        assetsRoot(),
+                        projectRoot(),
                         searchQuery,
                         activeFilters);
                 if (projection.isEmpty()) {
@@ -406,7 +407,7 @@ public final class AssetWorkspace implements Workspace {
                 createKeyValueRow(Container.i18n().text(I18n.ASSETS_LABEL_STATE), summary.state().name().toLowerCase()),
                 createKeyValueRow(Container.i18n().text(I18n.ASSETS_LABEL_ASSET_ID), summary.assetId() == null ? "—" : String.valueOf(summary.assetId())),
                 createKeyValueRow(Container.i18n().text(I18n.ASSETS_LABEL_TYPE), summary.assetFamily()),
-                createKeyValueRow(Container.i18n().text(I18n.ASSETS_LABEL_LOCATION), summary.assetRoot().toString()));
+                createKeyValueRow(Container.i18n().text(I18n.ASSETS_LABEL_LOCATION), projectRelativePath(summary.assetRoot())));
         return createSection(Container.i18n().text(I18n.ASSETS_SECTION_SUMMARY), content);
     }
 
@@ -428,6 +429,7 @@ public final class AssetWorkspace implements Workspace {
 
         if (selectedPreviewInput == null || !containsInput(details, selectedPreviewInput)) {
             selectedPreviewInput = firstPreviewInput(details);
+            selectedPreviewZoom = 1;
         }
 
         final VBox inputsList = new VBox(8);
@@ -445,6 +447,7 @@ public final class AssetWorkspace implements Workspace {
                 inputButton.setMaxWidth(Double.MAX_VALUE);
                 inputButton.setOnAction(event -> {
                     selectedPreviewInput = input;
+                    selectedPreviewZoom = 1;
                     renderState();
                 });
                 roleBox.getChildren().add(inputButton);
@@ -565,15 +568,18 @@ public final class AssetWorkspace implements Workspace {
         final String extension = extensionOf(input);
         if (isImage(extension)) {
             try {
-                final Image image = new Image(input.toUri().toString(), true);
+                final Image image = new Image(input.toUri().toString(), false);
                 final ImageView imageView = new ImageView(image);
                 imageView.setPreserveRatio(true);
-                imageView.setFitWidth(420);
+                imageView.setSmooth(false);
+                imageView.getStyleClass().add("assets-details-preview-image");
+                previewBox.getChildren().add(createPreviewZoomBar(image));
+                applyPreviewScale(image, imageView, selectedPreviewZoom);
                 previewBox.getChildren().add(imageView);
             } catch (RuntimeException runtimeException) {
                 previewBox.getChildren().add(createSectionMessage(Container.i18n().text(I18n.ASSETS_PREVIEW_IMAGE_ERROR)));
             }
-            previewBox.getChildren().add(createKeyValueRow(Container.i18n().text(I18n.ASSETS_LABEL_LOCATION), input.toString()));
+            previewBox.getChildren().add(createKeyValueRow(Container.i18n().text(I18n.ASSETS_LABEL_LOCATION), projectRelativePath(input)));
             return previewBox;
         }
 
@@ -588,15 +594,78 @@ public final class AssetWorkspace implements Workspace {
 
         if (isAudio(extension)) {
             previewBox.getChildren().add(createSectionMessage(Container.i18n().format(I18n.ASSETS_PREVIEW_AUDIO_PLACEHOLDER, input.getFileName().toString())));
-            previewBox.getChildren().add(createKeyValueRow(Container.i18n().text(I18n.ASSETS_LABEL_LOCATION), input.toString()));
+            previewBox.getChildren().add(createKeyValueRow(Container.i18n().text(I18n.ASSETS_LABEL_LOCATION), projectRelativePath(input)));
             return previewBox;
         }
 
         previewBox.getChildren().add(createSectionMessage(Container.i18n().format(I18n.ASSETS_PREVIEW_GENERIC_PLACEHOLDER, input.getFileName().toString())));
-        previewBox.getChildren().add(createKeyValueRow(Container.i18n().text(I18n.ASSETS_LABEL_LOCATION), input.toString()));
+        previewBox.getChildren().add(createKeyValueRow(Container.i18n().text(I18n.ASSETS_LABEL_LOCATION), projectRelativePath(input)));
         return previewBox;
     }
 
+    private Node createPreviewZoomBar(Image image) {
+        final HBox zoomBar = new HBox(8);
+        zoomBar.setAlignment(Pos.CENTER_LEFT);
+        zoomBar.getStyleClass().add("assets-details-preview-zoom-bar");
+
+        final Label zoomLabel = new Label(Container.i18n().text(I18n.ASSETS_PREVIEW_ZOOM));
+        zoomLabel.getStyleClass().add("assets-details-preview-zoom-label");
+        zoomBar.getChildren().add(zoomLabel);
+
+        final ToggleGroup zoomGroup = new ToggleGroup();
+        final int maxZoom = maxPreviewZoom(image);
+        for (int zoom : List.of(1, 2, 4, 8)) {
+            final ToggleButton button = new ToggleButton("x" + zoom);
+            button.getStyleClass().add("assets-details-preview-zoom-button");
+            button.setToggleGroup(zoomGroup);
+            button.setSelected(selectedPreviewZoom == zoom);
+            button.setDisable(zoom > maxZoom);
+            button.setOnAction(event -> {
+                selectedPreviewZoom = zoom;
+                renderState();
+            });
+            zoomBar.getChildren().add(button);
+        }
+        return zoomBar;
+    }
+
+    private void applyPreviewScale(Image image, ImageView imageView, int requestedZoom) {
+        final double width = image.getWidth();
+        final double height = image.getHeight();
+        if (width <= 0.0d || height <= 0.0d) {
+            imageView.setFitWidth(420);
+            return;
+        }
+
+        final double scale = previewScale(width, height, requestedZoom);
+        imageView.setFitWidth(Math.max(1.0d, width * scale));
+        imageView.setFitHeight(Math.max(1.0d, height * scale));
+        imageView.setSmooth(false);
+    }
+
+    static double previewScale(double width, double height, int requestedZoom) {
+        final double longestEdge = Math.max(width, height);
+        if (longestEdge <= 0.0d) {
+            return 1.0d;
+        }
+        if (longestEdge > 420.0d) {
+            return 420.0d / longestEdge;
+        }
+        return Math.max(1, Math.min(Math.max(1, requestedZoom), maxPreviewZoom(width, height)));
+    }
+
+    static int maxPreviewZoom(Image image) {
+        return maxPreviewZoom(image.getWidth(), image.getHeight());
+    }
+
+    static int maxPreviewZoom(double width, double height) {
+        final double longestEdge = Math.max(width, height);
+        if (longestEdge <= 0.0d || longestEdge > 420.0d) {
+            return 1;
+        }
+        return Math.max(1, (int) Math.floor(420.0d / longestEdge));
+    }
+
     private Node createSection(String title, Node content) {
         final VBox section = new VBox(10);
         section.getStyleClass().add("assets-details-section");
@@ -678,7 +747,7 @@ public final class AssetWorkspace implements Workspace {
         }
         topLine.getChildren().addAll(icon, name, spacer, badges);
 
-        final Label path = new Label(AssetNavigatorProjectionBuilder.relativeRoot(asset, assetsRoot()));
+        final Label path = new Label(AssetNavigatorProjectionBuilder.relativeRoot(asset, projectRoot()));
         path.getStyleClass().add("assets-workspace-asset-path");
         row.getChildren().addAll(topLine, path);
         row.setOnMouseClicked(event -> selectAsset(asset.selectionKey()));
@@ -722,10 +791,18 @@ public final class AssetWorkspace implements Workspace {
         if (selectedAsset == null) {
             return;
         }
-        final AssetWorkspaceMutationPreview preview = mutationService.preview(projectReference, selectedAsset, action);
+        try {
-        stagedMutationPreview = preview;
+            stagedMutationPreview = mutationService.preview(projectReference, selectedAsset, action);
-        appendLog("Preview ready for " + actionLabel(action) + ".");
+            appendLog("Preview ready for " + actionLabel(action) + ".");
-        renderState();
+            renderState();
+            Platform.runLater(() -> detailsScroll.setVvalue(1.0d));
+        } catch (RuntimeException runtimeException) {
+            final String message = rootCauseMessage(runtimeException);
+            appendLog("Preview failed: " + message);
+            workspaceBus.publish(new StudioAssetsMutationFailedEvent(projectReference, action, message));
+            stagedMutationPreview = null;
+            renderState();
+        }
     }
 
     private Node createStagedMutationPanel(AssetWorkspaceMutationPreview preview) {
@@ -786,7 +863,7 @@ public final class AssetWorkspace implements Workspace {
         box.getChildren().add(createKeyValueRow(Container.i18n().text(I18n.ASSETS_LABEL_NAME), preview.asset().assetName()));
         box.getChildren().add(createKeyValueRow(
                 Container.i18n().text(I18n.ASSETS_LABEL_LOCATION),
-                AssetNavigatorProjectionBuilder.relativeRoot(preview.asset(), assetsRoot())));
+                projectRelativePath(preview.asset().assetRoot())));
         return box;
     }
 
@@ -921,6 +998,19 @@ public final class AssetWorkspace implements Workspace {
         return projectReference.rootPath().resolve("assets").toAbsolutePath().normalize();
     }
 
+    private Path projectRoot() {
+        return projectReference.rootPath().toAbsolutePath().normalize();
+    }
+
+    private String projectRelativePath(Path path) {
+        final Path normalizedPath = path.toAbsolutePath().normalize();
+        try {
+            return projectRoot().relativize(normalizedPath).toString().replace('\\', '/');
+        } catch (IllegalArgumentException ignored) {
+            return normalizedPath.toString().replace('\\', '/');
+        }
+    }
+
     private void setInlineProgress(String message, double progress, boolean visible) {
         inlineProgressLabel.setText(message);
         inlineProgressBar.setVisible(visible);

prometeu-studio/src/main/resources/i18n/messages.properties

@@ -135,6 +135,7 @@ assets.logs.title=Logs
 assets.inputs.empty=No previewable inputs are currently declared for this asset.
 assets.diagnostics.empty=No diagnostics are currently attached to this asset.
 assets.preview.empty=Select an input to preview it here.
+assets.preview.zoom=Zoom
 assets.preview.textError=Unable to read this text-like input for preview.
 assets.preview.imageError=Unable to decode this image for preview.
 assets.preview.audioPlaceholder=Audio preview placeholder: {0}

prometeu-studio/src/main/resources/themes/default-prometeu.css

@@ -422,6 +422,29 @@
     -fx-font-weight: bold;
 }
 
+.assets-details-preview-zoom-bar {
+    -fx-alignment: center-left;
+}
+
+.assets-details-preview-zoom-label {
+    -fx-text-fill: #9fc3e7;
+    -fx-font-size: 11px;
+    -fx-font-weight: bold;
+}
+
+.assets-details-preview-zoom-button {
+    -fx-background-color: #17202a;
+    -fx-text-fill: #e6eff8;
+    -fx-background-radius: 999;
+    -fx-border-radius: 999;
+    -fx-border-color: #2f4053;
+}
+
+.assets-details-preview-zoom-button:selected {
+    -fx-background-color: #224160;
+    -fx-border-color: #4f8dc3;
+}
+
 .assets-details-preview-text {
     -fx-control-inner-background: #10161d;
     -fx-text-fill: #e4edf6;

prometeu-studio/src/test/java/p/studio/workspaces/assets/AssetNavigatorProjectionBuilderTest.java

@@ -11,27 +11,29 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 final class AssetNavigatorProjectionBuilderTest {
     @Test
     void groupsAssetsByParentPath() {
-        final Path assetsRoot = Path.of("/tmp/project/assets");
+        final Path projectRoot = Path.of("/tmp/project");
+        final Path assetsRoot = projectRoot.resolve("assets");
         final AssetNavigatorProjection projection = AssetNavigatorProjectionBuilder.build(
                 List.of(
                         managedAsset(1, "ui_atlas", "image_bank", assetsRoot.resolve("ui/atlas"), true, false),
                         orphanAsset("menu_sounds", "sound_bank", assetsRoot.resolve("audio/menu"), false, false)),
-                assetsRoot,
+                projectRoot,
                 "",
                 EnumSet.noneOf(AssetNavigatorFilter.class));
 
         assertEquals(2, projection.visibleAssetCount());
-        assertEquals(List.of("audio", "ui"), projection.groups().stream().map(AssetNavigatorGroup::label).sorted().toList());
+        assertEquals(List.of("assets/audio", "assets/ui"), projection.groups().stream().map(AssetNavigatorGroup::label).sorted().toList());
     }
 
     @Test
     void managedAndOrphanFiltersBehaveAsStateFilterSet() {
-        final Path assetsRoot = Path.of("/tmp/project/assets");
+        final Path projectRoot = Path.of("/tmp/project");
+        final Path assetsRoot = projectRoot.resolve("assets");
         final AssetNavigatorProjection projection = AssetNavigatorProjectionBuilder.build(
                 List.of(
                         managedAsset(1, "ui_atlas", "image_bank", assetsRoot.resolve("ui/atlas"), true, false),
                         orphanAsset("menu_sounds", "sound_bank", assetsRoot.resolve("audio/menu"), false, false)),
-                assetsRoot,
+                projectRoot,
                 "",
                 EnumSet.of(AssetNavigatorFilter.MANAGED));
 
@@ -41,13 +43,14 @@ final class AssetNavigatorProjectionBuilderTest {
 
     @Test
     void diagnosticsAndPreloadActAsAdditionalConstraints() {
-        final Path assetsRoot = Path.of("/tmp/project/assets");
+        final Path projectRoot = Path.of("/tmp/project");
+        final Path assetsRoot = projectRoot.resolve("assets");
         final AssetNavigatorProjection projection = AssetNavigatorProjectionBuilder.build(
                 List.of(
                         managedAsset(1, "ui_atlas", "image_bank", assetsRoot.resolve("ui/atlas"), true, true),
                         managedAsset(2, "bg_tiles", "image_bank", assetsRoot.resolve("bg/tiles"), true, false),
                         managedAsset(3, "voice_bank", "sound_bank", assetsRoot.resolve("audio/voice"), false, true)),
-                assetsRoot,
+                projectRoot,
                 "",
                 EnumSet.of(AssetNavigatorFilter.MANAGED, AssetNavigatorFilter.PRELOAD, AssetNavigatorFilter.DIAGNOSTICS));
 
@@ -57,19 +60,20 @@ final class AssetNavigatorProjectionBuilderTest {
 
     @Test
     void searchMatchesAssetNameAndPathContext() {
-        final Path assetsRoot = Path.of("/tmp/project/assets");
+        final Path projectRoot = Path.of("/tmp/project");
+        final Path assetsRoot = projectRoot.resolve("assets");
         final List<AssetWorkspaceAssetSummary> assets = List.of(
                 managedAsset(1, "ui_atlas", "image_bank", assetsRoot.resolve("ui/atlas"), true, false),
                 orphanAsset("menu_sounds", "sound_bank", assetsRoot.resolve("audio/menu"), false, false));
 
         final AssetNavigatorProjection byName = AssetNavigatorProjectionBuilder.build(
                 assets,
-                assetsRoot,
+                projectRoot,
                 "atlas",
                 EnumSet.noneOf(AssetNavigatorFilter.class));
         final AssetNavigatorProjection byPath = AssetNavigatorProjectionBuilder.build(
                 assets,
-                assetsRoot,
+                projectRoot,
                 "audio",
                 EnumSet.noneOf(AssetNavigatorFilter.class));
 

prometeu-studio/src/test/java/p/studio/workspaces/assets/AssetWorkspacePreviewScaleTest.java

@@ -0,0 +1,28 @@
+package p.studio.workspaces.assets;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+final class AssetWorkspacePreviewScaleTest {
+    @Test
+    void keepsSmallImageAtOriginalScaleByDefault() {
+        assertEquals(1.0d, AssetWorkspace.previewScale(16.0d, 16.0d, 1));
+    }
+
+    @Test
+    void appliesIntegerZoomForSmallImages() {
+        assertEquals(8.0d, AssetWorkspace.previewScale(16.0d, 16.0d, 8));
+    }
+
+    @Test
+    void capsZoomOptionsByMaximumPreviewSize() {
+        assertEquals(6, AssetWorkspace.maxPreviewZoom(64.0d, 64.0d));
+        assertEquals(1.0d, AssetWorkspace.previewScale(300.0d, 200.0d, 8));
+    }
+
+    @Test
+    void scalesLargeImagesDownToPreviewLimit() {
+        assertEquals(420.0d / 512.0d, AssetWorkspace.previewScale(512.0d, 128.0d, 1));
+    }
+}

test-projects/main/assets/.prometeu/index.json

@@ -0,0 +1,9 @@
+{
+  "schema_version" : 1,
+  "next_asset_id" : 2,
+  "assets" : [ {
+    "asset_id" : 1,
+    "asset_uuid" : "67cd978d-cd61-4641-ba9e-98fe4bc039bd",
+    "root" : "ui/atlas-relocated"
+  } ]
+}

test-projects/main/assets/ui/atlas-relocated/asset.json

@@ -0,0 +1,8 @@
+{
+  "schema_version": 1,
+  "name": "ui_atlas",
+  "type": "image_bank",
+  "inputs": { "sprites": ["sprites/confirm.png"] },
+  "output": { "format": "TILES/indexed_v1", "codec": "RAW" },
+  "preload": { "enabled": true }
+}