From d033271a1ffed6e46deeb95f99616cd419c41d26 Mon Sep 17 00:00:00 2001
From: Morten Dybdal <morten.dybdal@consultant.LEGO.com>
Date: Thu, 26 Apr 2018 10:59:53 +0200
Subject: [PATCH] Included a function to add sprite 3  to vm

---
 src/virtual-machine.js | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/virtual-machine.js b/src/virtual-machine.js
index 1e7a0b9e1..01a934bbd 100644
--- a/src/virtual-machine.js
+++ b/src/virtual-machine.js
@@ -394,6 +394,32 @@ class VirtualMachine extends EventEmitter {
                 this.installTargets(targets, extensions, false));
     }
 
+    /**
+     * Add a single sb3 sprite.
+     * @param {string} json JSON string representing the sprite/target.
+     * @returns {Promise} Promise that resolves after the sprite is added
+     */
+    addSprite3(target) {
+        // Validate & parse
+        if (typeof target !== 'string') {
+            log.error('Failed to parse sprite. Non-string supplied to addSprite3.');
+            return;
+        }
+        target = JSON.parse(target);
+        if (typeof target !== 'object') {
+            log.error('Failed to parse sprite. JSON supplied to addSprite3 is not an object.');
+            return;
+        }
+
+        const jsonFormatted = {
+            targets: [target],
+        };
+
+        return sb3
+            .deserialize(jsonFormatted, this.runtime, null)
+            .then(({ targets, extensions }) => this.installTargets(targets, extensions, false));
+    }
+
     /**
      * Add a costume to the current editing target.
      * @param {string} md5ext - the MD5 and extension of the costume to be loaded.