levels of detail

src/main/java/fr/ill/ics/n3d/gui/EditorMenuBar.java

@@ -3,6 +3,7 @@ package fr.ill.ics.n3d.gui;
 import java.text.DecimalFormat;
 import java.util.HashSet;
 import java.util.Iterator;
+import java.util.Map.Entry;
 import java.util.Optional;
 import java.util.logging.Logger;
 
@@ -69,6 +70,8 @@ public class EditorMenuBar extends MenuBar {
 	
 	/** View menu. */
 	private Menu view;
+
+	private Menu lodMenu;
 	
 	/** Show configuration sub-menu. */
 	private Menu showConfig;
@@ -94,6 +97,8 @@ public class EditorMenuBar extends MenuBar {
 	/** Currently displayed configuration. */
 	private String activeConfiguration;
 	
+	private int activeLod;
+	
 	/**
 	 * Constructor.
 	 * @param Nomad3DEditor.getInstance() Editor owning the menu bar
@@ -104,6 +109,7 @@ public class EditorMenuBar extends MenuBar {
 		this.showWalls = true;
 		this.focusSelection = false;
 		this.activeConfiguration = null;
+		this.activeLod = 0;
 		
         this.file = new Menu("File");
         MenuItem openItem = new MenuItem("Open");
@@ -794,6 +800,10 @@ public class EditorMenuBar extends MenuBar {
         	Nomad3DEditor.getInstance().getControls().right();
         });
         cameraMenu.getItems().addAll(topItem, bottomItem, frontItem, backItem, rightItem, leftItem);
+        
+        this.lodMenu = new Menu("Level of detail");
+        updateLodMenu();
+        
         CheckMenuItem showAxesItem = new CheckMenuItem("Show axes");
         showAxesItem.setAccelerator(new KeyCodeCombination(KeyCode.A, KeyCombination.SHIFT_DOWN));
         showAxesItem.setSelected(this.showAxes);
@@ -844,26 +854,17 @@ public class EditorMenuBar extends MenuBar {
 				}
 				
 				Component root = Nomad3DEditor.getInstance().getModel().getRoot();
-				String fancyMeshSize = "";
+				DecimalFormat df = new DecimalFormat("###,###.###");
 				long meshSize = root.meshesSize(true);
-				while (meshSize > 0) {
-					fancyMeshSize = (meshSize % 1000) + " " + fancyMeshSize;
-					meshSize /= 1000;
-				}
 				Label facesLabel = new Label("Triangle count : ");
 				facesLabel.setPrefWidth(6*facesLabel.getText().length());
-				Label facesCountLabel = new Label(fancyMeshSize);
-				facesCountLabel.setPrefWidth(8*fancyMeshSize.length());
-				String fancyHierarchySize = "";
+				Label facesCountLabel = new Label(df.format(meshSize));
+				facesCountLabel.setPrefWidth(8*facesCountLabel.getText().length());
 				long hierarchySize = root.hierarchySize();
-				while (hierarchySize > 0) {
-					fancyHierarchySize = (hierarchySize % 1000) + " " + fancyHierarchySize;
-					hierarchySize /= 1000;
-				}
 				Label compLabel = new Label("Assembly size : ");
-				Label compCountLabel = new Label(fancyHierarchySize);
+				Label compCountLabel = new Label(df.format(hierarchySize));
 				Label axesLabel = new Label("Axes count : ");
-				Label axesCountLabel = new Label(""+root.axesCount());
+				Label axesCountLabel = new Label(df.format(root.axesCount()));
 				
     			GridPane statsPane = new GridPane();
     			statsPane.setAlignment(Pos.CENTER);
@@ -891,6 +892,8 @@ public class EditorMenuBar extends MenuBar {
     		}
         });
         this.view.getItems().addAll(cameraMenu, 
+        		new SeparatorMenuItem(), 
+        		lodMenu,
         		new SeparatorMenuItem(), 
         		showAxesItem, showSystemItem, showWallsItem, 
         		new SeparatorMenuItem(), 
@@ -1043,7 +1046,7 @@ public class EditorMenuBar extends MenuBar {
         
         this.getMenus().addAll(this.file, this.edit, this.view, this.selection, this.help);
 	}
-	
+
 	/**
 	 * Selects the root component of the selection. 
 	 * @param title Title of the warning/error alerts in case of errors
@@ -1082,6 +1085,7 @@ public class EditorMenuBar extends MenuBar {
 	 * Updates the menu bar and the Nomad3DEditor.getInstance() accordingly.
 	 */
 	private void update() {
+		updateLodMenu();
 		updateShowConfigMenu();
 		updateAxes();
 		updateWalls();
@@ -1090,6 +1094,36 @@ public class EditorMenuBar extends MenuBar {
 		updateCamera();
 	}
 	
+	private void updateLodMenu() {
+        Logger.getLogger("nomad-3d").info("Updating LODs...");
+        if (Nomad3DEditor.getInstance().getModel() == null || Nomad3DEditor.getInstance().getModel().getRoot() == null) {
+        	return;
+        }
+        this.lodMenu.getItems().clear();
+        this.activeLod = 0;
+        int nbLods = Nomad3DEditor.getInstance().getModel().getGeometriesDirectories().values().size();
+        Logger.getLogger("nomad-3d").info(nbLods + " LODs to add");
+        for (int lod = 0 ; lod < nbLods ; lod++) {
+        	CheckMenuItem lodItem = new CheckMenuItem(lod + " - " + Nomad3DEditor.getInstance().getModel().getGeometryDirectory(lod));
+        	lodItem.setSelected(lod == activeLod);
+        	lodItem.setOnAction(lodEvent -> {
+        		int i = 0;
+        		for (MenuItem item : lodMenu.getItems()) {
+        			CheckMenuItem checkItem = (CheckMenuItem)item;
+        			checkItem.setSelected(checkItem == lodItem);
+        			if (checkItem == lodItem) {
+        				activeLod = i;
+        			}
+        			i++;
+        		}
+        		updateScene();
+        	});
+        	lodMenu.getItems().add(lodItem);
+        	Logger.getLogger("nomad-3d").info(lodItem.getText() + " added");
+        }
+        Logger.getLogger("nomad-3d").info("LOD menu size : " + lodMenu.getItems().size());
+	}
+	
 	/**
 	 * Updates the camera.
 	 */
@@ -1186,7 +1220,7 @@ public class EditorMenuBar extends MenuBar {
 	@SuppressWarnings("unchecked")
 	private void updateScene() {
 		Nomad3DEditor.getInstance().getRoot().getChildren().remove(Nomad3DEditor.getInstance().getModel().getRoot().getSceneNode());
-		Nomad3DEditor.getInstance().getModel().computeSceneHierarchies();
+		Nomad3DEditor.getInstance().getModel().computeSceneHierarchies(activeLod);
 		Nomad3DEditor.getInstance().getRoot().getChildren().add(Nomad3DEditor.getInstance().getModel().getRoot().getSceneNode());
 		((TreeView<Component>)Nomad3DEditor.getInstance().getPane().getLeft()).setRoot(Nomad3DEditor.getInstance().getModel().getRoot().getTreeItem());