From 83279fa5b0361f782fee4c0b1668978bb0f04f7e Mon Sep 17 00:00:00 2001
From: Michael Mainguy <mike.mainguy@gmail.com>
Date: Fri, 23 Aug 2024 08:50:00 -0500
Subject: [PATCH] Added highlighting.

---
 .../functions/buildEntityActionManager.ts     | 43 ++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

diff --git a/src/diagram/functions/buildEntityActionManager.ts b/src/diagram/functions/buildEntityActionManager.ts
index 0d6b143..5280779 100644
--- a/src/diagram/functions/buildEntityActionManager.ts
+++ b/src/diagram/functions/buildEntityActionManager.ts
@@ -1,15 +1,42 @@
-import {ActionManager, ExecuteCodeAction} from "@babylonjs/core";
+import {ActionManager, ExecuteCodeAction, HighlightLayer, InstancedMesh, StandardMaterial,} from "@babylonjs/core";
 import {ControllerEventType, Controllers} from "../../controllers/controllers";
 import log from "loglevel";
 import {DefaultScene} from "../../defaultScene";
 
 export function buildEntityActionManager(controllers: Controllers) {
+    const highlightLayer = new HighlightLayer('highlightLayer', DefaultScene.Scene);
+    highlightLayer.innerGlow = false;
+    highlightLayer.outerGlow = true;
+
+
     const logger = log.getLogger('buildEntityActionManager');
     const actionManager = new ActionManager(DefaultScene.Scene);
     /*actionManager.registerAction(
         new PlaySoundAction(ActionManager.OnPointerOverTrigger, sounds.tick));*/
     actionManager.registerAction(
         new ExecuteCodeAction(ActionManager.OnPointerOverTrigger, (evt) => {
+            if (evt.meshUnderPointer) {
+                try {
+                    const mesh = evt.meshUnderPointer as InstancedMesh;
+                    //mesh.sourceMesh.renderOutline = true;
+                    if (mesh.sourceMesh) {
+                        const newMesh = mesh.sourceMesh.clone(mesh.sourceMesh.name + '_clone', null, true);
+                        newMesh.metadata = {};
+                        newMesh.parent = null;
+                        newMesh.position = mesh.absolutePosition;
+                        newMesh.rotationQuaternion = mesh.absoluteRotationQuaternion;
+                        newMesh.scaling = mesh.scaling;
+                        newMesh.setEnabled(true);
+                        newMesh.isPickable = false;
+                        highlightLayer.addMesh(newMesh, (mesh.sourceMesh.material as StandardMaterial).diffuseColor.multiplyByFloats(1.5, 1.5, 1.5));
+                        highlightLayer.setEffectIntensity(newMesh, 1.2);
+                        mesh.metadata.highlight = newMesh;
+                        console.log(newMesh);
+                    }
+                } catch (e) {
+                    logger.error(e);
+                }
+            }
             controllers.controllerObservable.notifyObservers({
                 type: ControllerEventType.PULSE,
                 gripId: evt?.additionalData?.pickResult?.gripTransform?.id
@@ -17,5 +44,19 @@ export function buildEntityActionManager(controllers: Controllers) {
             logger.debug(evt);
         })
     );
+    actionManager.registerAction(
+        new ExecuteCodeAction(ActionManager.OnPointerOutTrigger, (evt) => {
+            try {
+                const mesh = evt.source;
+                if (mesh.metadata.highlight) {
+                    mesh.metadata.highlight.dispose();
+                    mesh.metadata.highlight = null;
+                }
+            } catch (e) {
+                logger.error(e);
+            }
+            logger.debug(evt);
+        })
+    );
     return actionManager;
 }
\ No newline at end of file