Change popup-marker to always be in front of other markers

Author: TBlueF

BlueMapCommon/webapp/src/js/PopupMarker.js

@@ -43,6 +43,7 @@ export class PopupMarker extends Marker {
 
         this.elementObject = new CSS2DObject(htmlToElement(`<div id="bm-marker-${this.data.id}" class="bm-marker-${this.data.type}">Test</div>`));
         this.elementObject.position.set(0.5, 1, 0.5);
+        this.elementObject.disableDepthTest = true;
         this.addEventListener( 'removed', () => {
             if (this.element.parentNode) this.element.parentNode.removeChild(this.element);
         });

BlueMapCommon/webapp/src/js/util/CSS2DRenderer.js

@@ -208,7 +208,8 @@ var CSS2DRenderer = function (events = null) {
 
         for ( var i = 0, l = sorted.length; i < l; i ++ ) {
 
-            sorted[ i ].element.style.zIndex = zMax - i;
+            let o = sorted[ i ];
+            o.element.style.zIndex = o.disableDepthTest ? zMax + 1 : zMax - i;
 
         }