added loadPrefab

h3d/prim/ModelCache.hx

@@ -119,4 +119,27 @@ class ModelCache {
 		return a;
 	}
 
+	#if hide
+
+	public function loadPrefab( res : hxd.res.Prefab, ?parent : h3d.scene.Object ) {
+		var p = res.load();
+		var ctx = new hrt.prefab.Context();
+		ctx.init(res);
+		@:privateAccess ctx.shared.cache = this;
+		var prevChild = 0;
+		if( parent != null ) {
+			ctx.local3d = ctx.shared.root3d = parent;
+			prevChild = parent.numChildren;
+		}
+		var ctx2 = p.make(ctx);
+		if( parent != null ) {
+			// only return object if a single child was added
+			// if not - multiple children were added and cannot be returned as a single object
+			return parent.numChildren == prevChild + 1 ? parent.getChildAt(prevChild) : null;
+		}
+		return ctx.local3d.numChildren == 1 ? ctx.local3d.getChildAt(0) : ctx.local3d;
+	}
+
+	#end
+
 }