Make osNpcCreate() return UUID.Zero instead of throwing an exception if notecard name is invalid. Make osNpcLoadAppearance() fail silently in same circumstance rather than throwing exception.

OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs

@@ -1773,6 +1773,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         protected string LoadNotecard(string notecardNameOrUuid)
         {
             UUID assetID = CacheNotecard(notecardNameOrUuid);
+
+            if (assetID != UUID.Zero)
+            {
                 StringBuilder notecardData = new StringBuilder();
     
                 for (int count = 0; count < NotecardCache.GetLines(assetID); count++)
@@ -1787,6 +1790,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 return notecardData.ToString();
             }
 
+            return null;
+        }
+
         /// <summary>
         /// Cache a notecard's contents.
         /// </summary>
@@ -2386,6 +2392,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     return;
 
                 string appearanceSerialized = LoadNotecard(notecard);
+
+                if (appearanceSerialized == null)
+                    return;
+                
                 OSDMap appearanceOsd = (OSDMap)OSDParser.DeserializeLLSDXml(appearanceSerialized);
 //                OSD a = OSDParser.DeserializeLLSDXml(appearanceSerialized);
 //                Console.WriteLine("appearanceSerialized {0}", appearanceSerialized);

OpenSim/Region/ScriptEngine/Shared/Tests/OSSL_ApiAppearanceTest.cs

@@ -36,12 +36,11 @@ using OpenMetaverse;
 using OpenMetaverse.Assets;
 using OpenMetaverse.StructuredData;
 using OpenSim.Framework;
-using OpenSim.Region.CoreModules.Avatar.Attachments;
 using OpenSim.Region.CoreModules.Avatar.AvatarFactory;
+using OpenSim.Region.OptionalModules.World.NPC;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Region.ScriptEngine.Shared;
 using OpenSim.Region.ScriptEngine.Shared.Api;
-using OpenSim.Region.OptionalModules.World.NPC;
 using OpenSim.Services.Interfaces;
 using OpenSim.Tests.Common;
 using OpenSim.Tests.Common.Mock;
@@ -69,8 +68,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Tests
             config.Set("Enabled", "true");
 
             m_scene = new SceneHelpers().SetupScene();
-            SceneHelpers.SetupSceneModules(
+            SceneHelpers.SetupSceneModules(m_scene, initConfigSource, new AvatarFactoryModule(), new NPCModule());
-                m_scene, initConfigSource, new AvatarFactoryModule(), new AttachmentsModule(), new NPCModule());
 
             m_engine = new XEngine.XEngine();
             m_engine.Initialise(initConfigSource);

OpenSim/Region/ScriptEngine/Shared/Tests/OSSL_ApiNpcTests.cs

@@ -114,6 +114,26 @@ namespace OpenSim.Region.ScriptEngine.Shared.Tests
             Assert.That(npc.Appearance.AvatarHeight, Is.EqualTo(newHeight));
         }
 
+        [Test]
+        public void TestOsNpcCreateNotExistingNotecard()
+        {
+            TestHelpers.InMethod();
+
+            UUID userId = TestHelpers.ParseTail(0x1);
+
+            SceneObjectGroup so = SceneHelpers.CreateSceneObject(1, userId, 0x10);
+            m_scene.AddSceneObject(so);
+
+            OSSL_Api osslApi = new OSSL_Api();
+            osslApi.Initialize(m_engine, so.RootPart, null);
+
+            string npcRaw
+                = osslApi.osNpcCreate("Jane", "Doe", new LSL_Types.Vector3(128, 128, 128), "not existing notecard name");
+
+            UUID npcId = new UUID(npcRaw);
+            Assert.That(npcId, Is.EqualTo(UUID.Zero));
+        }
+
         /// <summary>
         /// Test creation of an NPC where the appearance data comes from an avatar already in the region.
         /// </summary>
@@ -187,6 +207,40 @@ namespace OpenSim.Region.ScriptEngine.Shared.Tests
             Assert.That(npc.Appearance.AvatarHeight, Is.EqualTo(secondHeight));
         }
 
+        [Test]
+        public void TestOsNpcLoadAppearanceNotExistingNotecard()
+        {
+            TestHelpers.InMethod();
+
+            // Store an avatar with a different height from default in a notecard.
+            UUID userId = TestHelpers.ParseTail(0x1);
+            float firstHeight = 1.9f;
+            float secondHeight = 2.1f;
+            string firstAppearanceNcName = "appearanceNc1";
+            string secondAppearanceNcName = "appearanceNc2";
+
+            ScenePresence sp = SceneHelpers.AddScenePresence(m_scene, userId);
+            sp.Appearance.AvatarHeight = firstHeight;
+            SceneObjectGroup so = SceneHelpers.CreateSceneObject(1, userId, 0x10);
+            SceneObjectPart part = so.RootPart;
+            m_scene.AddSceneObject(so);
+
+            OSSL_Api osslApi = new OSSL_Api();
+            osslApi.Initialize(m_engine, part, null);
+
+            osslApi.osOwnerSaveAppearance(firstAppearanceNcName);
+
+            string npcRaw
+                = osslApi.osNpcCreate("Jane", "Doe", new LSL_Types.Vector3(128, 128, 128), firstAppearanceNcName);
+
+            osslApi.osNpcLoadAppearance(npcRaw, secondAppearanceNcName);
+
+            UUID npcId = new UUID(npcRaw);
+            ScenePresence npc = m_scene.GetScenePresence(npcId);
+            Assert.That(npc, Is.Not.Null);
+            Assert.That(npc.Appearance.AvatarHeight, Is.EqualTo(firstHeight));
+        }
+
         /// <summary>
         /// Test removal of an owned NPC.
         /// </summary>