Max2Babylon Fixed a problem with hierarchies and non-object scene nodes

Exporters/3ds Max/Max2Babylon/BabylonPropertiesActionItem.cs

@@ -27,14 +27,7 @@ namespace Max2Babylon
                 }
             }
 
-            if (firstNode.ObjectRef != null && firstNode.ObjectRef.Eval(0).Obj.SuperClassID == SClass_ID.Geomobject)
-            {
-                using (var frm = new ObjectPropertiesForm())
-                {
-                    frm.ShowDialog();
-                    return true;
-                }
-            }
+           
 
             if (firstNode.ObjectRef != null && firstNode.ObjectRef.Eval(0).Obj.SuperClassID == SClass_ID.Light)
             {
@@ -44,10 +37,15 @@ namespace Max2Babylon
                     return true;
                 }
             }
+           
+            // consider non-recognized objects as meshes so they can be animated intermediate nodes
+            using (var frm = new ObjectPropertiesForm())
+            {
+                frm.ShowDialog();
+                return true;
+            }
+            
 
-            Loader.Core.PushPrompt("Selected entity does not have Babylon.js specific properties");
-
-            return true;
         }
 
         public override int Id_

Exporters/3ds Max/Max2Babylon/Exporter/BabylonExporter.Mesh.cs

@@ -4,6 +4,7 @@ using System.Linq;
 using Autodesk.Max;
 using BabylonExport.Entities;
 using System.Runtime.InteropServices;
+using System.Threading.Tasks;
 
 namespace Max2Babylon
 {
@@ -35,12 +36,12 @@ namespace Max2Babylon
                 for (int i = 0; i < boneIds.Count; ++i)
                 {
                     var id = boneIds[i];
-                    if(id == -2)
+                    if (id == -2)
                     {
                         continue;
                     }
                     var parent = boneIndex[id].NodeParent;
-                    if(parent != null)
+                    if (parent != null)
                     {
                         var parentId = parent.NodeID;
                         if (boneIds.IndexOf(parentId) > i)
@@ -52,7 +53,7 @@ namespace Max2Babylon
                         }
                     }
                 }
-                if(!foundMisMatch)
+                if (!foundMisMatch)
                 {
                     break;
                 }
@@ -89,7 +90,26 @@ namespace Max2Babylon
             babylonMesh.id = meshNode.MaxNode.GetGuid().ToString();
             if (meshNode.NodeParent != null)
             {
-                babylonMesh.parentId = meshNode.NodeParent.MaxNode.GetGuid().ToString();
+
+                // parent node type (if a known object type, export it as an empty mesh, so it can be in the scene hierarchy)
+                var parentType = meshNode.NodeParent.IGameObject.IGameType;
+                var parentId = meshNode.NodeParent.MaxNode.GetGuid().ToString();
+                switch (parentType)
+                {
+                    case Autodesk.Max.IGameObject.ObjectTypes.Light:
+                    case Autodesk.Max.IGameObject.ObjectTypes.Mesh:
+                    case Autodesk.Max.IGameObject.ObjectTypes.Camera:
+                        break;
+
+
+                    default:
+                        if (!babylonScene.MeshesList.Where(m => m.id == parentId).Any())
+                        {
+                            ExportMesh(scene, meshNode.NodeParent, babylonScene);
+                        }
+                        break;
+                }
+                babylonMesh.parentId = parentId;
             }
 
             // Misc.
@@ -124,6 +144,11 @@ namespace Max2Babylon
             // Position / rotation / scaling
             {
                 var localTM = meshNode.GetObjectTM(0);
+                if (meshNode.NodeParent != null)
+                {
+                    var parentWorld = meshNode.NodeParent.GetObjectTM(0);
+                    localTM.MultiplyBy(parentWorld.Inverse);
+                }
 
                 var meshTrans = localTM.Translation;
                 var meshRotation = localTM.Rotation;
@@ -181,13 +206,13 @@ namespace Max2Babylon
                     IntPtr indexer = new IntPtr(i);
                     var channelNum = mappingChannels[indexer];
                     if (channelNum == 1)
-                {
+                    {
                         hasUV = true;
-                }
+                    }
                     else if (channelNum == 2)
-                {
+                    {
                         hasUV2 = true;
-                }
+                    }
                 }
                 var hasColor = unskinnedMesh.NumberOfColorVerts > 0;
                 var hasAlpha = unskinnedMesh.GetNumberOfMapVerts(-2) > 0;
@@ -207,7 +232,7 @@ namespace Max2Babylon
                 var subMeshes = new List<BabylonSubMesh>();
                 var indexStart = 0;
 
-                
+
                 for (int i = 0; i < multiMatsCount; ++i)
                 {
                     if (meshNode.NodeMaterial == null)
@@ -244,7 +269,7 @@ namespace Max2Babylon
                             ExtractFace(skin, unskinnedMesh, vertices, indices, hasUV, hasUV2, hasColor, hasAlpha, verticesAlreadyExported, ref indexCount, ref minVertexIndex, ref maxVertexIndex, face, boneIds);
                         }
                     }
-                    
+
                     if (indexCount != 0)
                     {
 
@@ -354,7 +379,7 @@ namespace Max2Babylon
             // Animations
             var animations = new List<BabylonAnimation>();
             GenerateCoordinatesAnimations(meshNode, animations);
-            
+
 
             if (!ExportFloatController(meshNode.MaxNode.VisController, "visibility", animations))
             {
@@ -419,31 +444,49 @@ namespace Max2Babylon
         }
 
         public static void GenerateCoordinatesAnimations(IIGameNode meshNode, List<BabylonAnimation> animations)
+        {
+
+            ExportVector3Animation("position", animations, key =>
             {
-                ExportVector3Animation("position", animations, key =>
-                {
                 var worldMatrix = meshNode.GetObjectTM(key);
+                if (meshNode.NodeParent != null)
+                {
+                    var parentWorld = meshNode.NodeParent.GetObjectTM(key);
+                    worldMatrix.MultiplyBy(parentWorld.Inverse);
+                }
                 var trans = worldMatrix.Translation;
                 return new float[] { trans.X, trans.Y, trans.Z };
-                });
+            });
 
-                ExportQuaternionAnimation("rotationQuaternion", animations, key =>
+
+            ExportQuaternionAnimation("rotationQuaternion", animations, key =>
+            {
+                var worldMatrix = meshNode.GetObjectTM(key);
+                if (meshNode.NodeParent != null)
                 {
-                    var worldMatrix = meshNode.GetObjectTM(key);
+                    var parentWorld = meshNode.NodeParent.GetObjectTM(key);
+                    worldMatrix.MultiplyBy(parentWorld.Inverse);
+                }
 
 
+                var rot = worldMatrix.Rotation;
+                return new float[] { rot.X, rot.Y, rot.Z, -rot.W };
+            });
 
-                    var rot = worldMatrix.Rotation;
-                    return new float[] { rot.X, rot.Y, rot.Z, -rot.W };
-                });
 
-                ExportVector3Animation("scaling", animations, key =>
+            ExportVector3Animation("scaling", animations, key =>
+            {
+                var worldMatrix = meshNode.GetObjectTM(key);
+                if (meshNode.NodeParent != null)
                 {
-                    var worldMatrix = meshNode.GetObjectTM(key);
-                    var scale = worldMatrix.Scaling;
+                    var parentWorld = meshNode.NodeParent.GetObjectTM(key);
+                    worldMatrix.MultiplyBy(parentWorld.Inverse);
+                }
+                var scale = worldMatrix.Scaling;
+
+                return new float[] { scale.X, scale.Y, scale.Z };
+            });
 
-                    return new float[] { scale.X, scale.Y, scale.Z };
-                });
         }
 
 

Exporters/3ds Max/Max2Babylon/Forms/ObjectPropertiesForm.cs

@@ -37,10 +37,12 @@ namespace Max2Babylon
             {
                 var node = Loader.Core.GetSelNode(index);
 
-                if (node.ObjectRef != null && node.ObjectRef.Eval(0).Obj.SuperClassID == SClass_ID.Geomobject)
-                {
-                    objects.Add(node);
-                }
+                //if (node.ObjectRef != null && node.ObjectRef.Eval(0).Obj.SuperClassID == SClass_ID.Geomobject)
+                //{
+
+                // handle "virtual objects" // todo : differentiate them and remove mesh specific settings (keep only animation settings)
+                objects.Add(node);
+                //}
             }
 
             Tools.PrepareCheckBox(chkNoExport, objects, "babylonjs_noexport");