Exemple #1
0
        //Add GameObjects to dictionary

        // Traverse function iterates the scene graph to build local branches on Unity
        GameObject Traverse(Node n, Material currentMaterial)
        {
            // We must be called in edit lock

            if (n == null || !n.IsValid())
            {
                return(null);
            }

            // --------------------------- Add game object ---------------------------------------

            string name = n.GetName();

            if (String.IsNullOrEmpty(name))
            {
                name = n.GetNativeTypeName();
            }

            GameObject gameObject = new GameObject(name);

            var nodeHandle = gameObject.AddComponent <NodeHandle>();

            //nodeHandle.Renderer = Renderer;
            nodeHandle.node            = n;
            nodeHandle.currentMaterial = currentMaterial;
            nodeHandle.ComputeShader   = Settings.ComputeShader;

            // ---------------------------- Check material state ----------------------------------

            if (n.HasState())
            {
                State state = n.State;

                if (state.HasTexture(0) && state.GetMode(StateMode.TEXTURE) == StateModeActivation.ON)
                {
                    gzTexture texture = state.GetTexture(0);

                    if (!textureMaterialStorage.TryGetValue(texture.GetNativeReference(), out currentMaterial))
                    {
                        if (texture.HasImage())
                        {
                            ImageFormat   image_format;
                            ComponentType comp_type;
                            uint          components;

                            uint depth;
                            uint width;
                            uint height;

                            uint size;

                            bool uncompress = false;

                            Image image = texture.GetImage();

                            image_format = image.GetFormat();

                            image.Dispose();

                            switch (image_format)      // Not yet
                            {
                            case ImageFormat.COMPRESSED_RGBA8_ETC2:
                                if (!SystemInfo.SupportsTextureFormat(TextureFormat.ETC2_RGBA8))
                                {
                                    uncompress = true;
                                }
                                break;

                            case ImageFormat.COMPRESSED_RGB8_ETC2:
                                if (!SystemInfo.SupportsTextureFormat(TextureFormat.ETC2_RGB))
                                {
                                    uncompress = true;
                                }
                                break;

                            case ImageFormat.COMPRESSED_RGBA_S3TC_DXT1:
                            case ImageFormat.COMPRESSED_RGB_S3TC_DXT1:
                                if (!SystemInfo.SupportsTextureFormat(TextureFormat.DXT1))
                                {
                                    uncompress = true;
                                }
                                break;

                            case ImageFormat.COMPRESSED_RGBA_S3TC_DXT5:
                                if (!SystemInfo.SupportsTextureFormat(TextureFormat.DXT5))
                                {
                                    uncompress = true;
                                }
                                break;
                            }


                            if (texture.GetMipMapImageArray(ref _image_texture_data, out size, out image_format, out comp_type, out components, out width, out height, out depth, true, uncompress))
                            {
                                if (depth == 1)
                                {
                                    if (n is Crossboard)
                                    {
                                        currentMaterial = new Material(Settings.CrossboardShader);
                                    }
                                    else
                                    {
                                        currentMaterial = new Material(Settings.DefaultShader);
                                    }

                                    TextureFormat format = TextureFormat.ARGB32;

                                    switch (comp_type)
                                    {
                                    case ComponentType.UNSIGNED_BYTE:
                                    {
                                        switch (image_format)
                                        {
                                        case ImageFormat.RGBA:
                                            format = TextureFormat.RGBA32;
                                            break;

                                        case ImageFormat.RGB:
                                            format = TextureFormat.RGB24;
                                            break;

                                        case ImageFormat.COMPRESSED_RGBA_S3TC_DXT1:
                                        case ImageFormat.COMPRESSED_RGB_S3TC_DXT1:
                                            format = TextureFormat.DXT1;
                                            break;

                                        case ImageFormat.COMPRESSED_RGBA_S3TC_DXT5:
                                            format = TextureFormat.DXT5;
                                            break;

                                        case ImageFormat.COMPRESSED_RGB8_ETC2:
                                            format = TextureFormat.ETC2_RGB;
                                            break;

                                        case ImageFormat.COMPRESSED_RGBA8_ETC2:
                                            format = TextureFormat.ETC2_RGBA8;
                                            break;


                                        default:
                                            // Issue your own error here because we can not use this texture yet
                                            return(null);
                                        }
                                    }
                                    break;

                                    default:
                                        // Issue your own error here because we can not use this texture yet
                                        return(null);
                                    }


                                    Texture2D tex = new Texture2D((int)width, (int)height, format, true);

                                    tex.LoadRawTextureData(_image_texture_data);


                                    switch (texture.MinFilter)
                                    {
                                    default:
                                        tex.filterMode = FilterMode.Point;
                                        break;

                                    case gzTexture.TextureMinFilter.LINEAR:
                                    case gzTexture.TextureMinFilter.LINEAR_MIPMAP_NEAREST:
                                        tex.filterMode = FilterMode.Bilinear;
                                        break;

                                    case gzTexture.TextureMinFilter.LINEAR_MIPMAP_LINEAR:
                                        tex.filterMode = FilterMode.Trilinear;
                                        break;
                                    }

                                    tex.Apply(texture.UseMipMaps, true);

                                    currentMaterial.mainTexture = tex;
                                }
                            }
                        }

                        // Add some kind of check for textures shared by many
                        // Right now only for crossboards

                        if (n is Crossboard)
                        {
                            textureMaterialStorage.Add(texture.GetNativeReference(), currentMaterial);
                        }
                    }

                    nodeHandle.currentMaterial = currentMaterial;
                    texture.Dispose();
                }

                state.Dispose();
            }

            // ---------------------------- Transform check -------------------------------------

            gzTransform tr = n as gzTransform;

            if (tr != null)
            {
                Vec3 translation;

                if (tr.GetTranslation(out translation))
                {
                    Vector3 trans = new Vector3(translation.x, translation.y, translation.z);
                    gameObject.transform.localPosition = trans;
                }

                // Notify subscribers of new Transform
                OnNewTransform?.Invoke(gameObject);
            }

            // ---------------------------- DynamicLoader check -------------------------------------

            DynamicLoader dl = n as DynamicLoader;      // Add dynamic loader as game object in dictionary

            // so other dynamic loaded data can parent them as child to loader
            if (dl != null)
            {
                List <GameObject> list;

                if (!NodeUtils.FindGameObjects(dl.GetNativeReference(), out list))     // We are not registered
                {
                    NodeUtils.AddGameObjectReference(dl.GetNativeReference(), gameObject);

                    nodeHandle.inNodeUtilsRegistry = true;  // Added to registry

                    // We shall continue to iterate as a group to see if we already have loaded children
                }
                else  // We are already in list
                {
                    return(list[0]);     // Lets return first object wich is our main registered node
                }

                // Notify subscribers of new Loader
                OnNewLoader?.Invoke(gameObject);
            }

            // ---------------------------- Lod check -------------------------------------

            Lod ld = n as Lod;

            if (ld != null)
            {
                foreach (Node child in ld)
                {
                    GameObject go_child = Traverse(child, currentMaterial);

                    if (go_child == null)
                    {
                        return(null);
                    }

                    NodeHandle h = go_child.GetComponent <NodeHandle>();

                    if (h != null)
                    {
                        if (!NodeUtils.HasGameObjects(h.node.GetNativeReference()))
                        {
                            NodeUtils.AddGameObjectReference(h.node.GetNativeReference(), go_child);

                            h.inNodeUtilsRegistry = true;
                            h.node.AddActionInterface(_actionReceiver, NodeActionEvent.IS_TRAVERSABLE);
                            h.node.AddActionInterface(_actionReceiver, NodeActionEvent.IS_NOT_TRAVERSABLE);
                        }
                    }

                    go_child.transform.SetParent(gameObject.transform, false);
                }

                // Notify subscribers of new Lod
                OnNewLod?.Invoke(gameObject);

                // Dont process group as group is already processed
                return(gameObject);
            }

            // ---------------------------- Roi check -------------------------------------

            Roi roi = n as Roi;

            if (roi != null)
            {
                nodeHandle.updateTransform  = true;
                nodeHandle.inNodeUpdateList = true;
                updateNodeObjects.AddLast(gameObject);

                foreach (Node child in roi)
                {
                    GameObject go_child = Traverse(child, currentMaterial);

                    if (go_child == null)
                    {
                        return(null);
                    }

                    NodeHandle h = go_child.GetComponent <NodeHandle>();

                    if (h != null)
                    {
                        if (!NodeUtils.HasGameObjects(h.node.GetNativeReference()))
                        {
                            NodeUtils.AddGameObjectReference(h.node.GetNativeReference(), go_child);

                            h.inNodeUtilsRegistry = true;
                            h.node.AddActionInterface(_actionReceiver, NodeActionEvent.IS_TRAVERSABLE);
                            h.node.AddActionInterface(_actionReceiver, NodeActionEvent.IS_NOT_TRAVERSABLE);
                        }
                    }

                    go_child.transform.SetParent(gameObject.transform, false);
                }

                // Dont process group
                return(gameObject);
            }

            // ---------------------------- RoiNode check -------------------------------------

            RoiNode roinode = n as RoiNode;

            if (roinode != null)
            {
                nodeHandle.updateTransform  = true;
                nodeHandle.inNodeUpdateList = true;
                updateNodeObjects.AddLast(gameObject);
            }

            // ---------------------------- Group check -------------------------------------

            Group g = n as Group;

            if (g != null)
            {
                foreach (Node child in g)
                {
                    GameObject go_child = Traverse(child, currentMaterial);

                    if (go_child == null)
                    {
                        return(null);
                    }

                    go_child.transform.SetParent(gameObject.transform, false);
                }

                return(gameObject);
            }

            // ---------------------------ExtRef check -----------------------------------------

            ExtRef ext = n as ExtRef;

            if (ext != null)
            {
                AssetLoadInfo info = new AssetLoadInfo(gameObject, ext.ResourceURL, ext.ObjectID);

                pendingAssetLoads.Push(info);
            }

            // ---------------------------- Crossboard check -----------------------------------

            Crossboard cb = n as Crossboard;

            if (cb != null && GfxCaps.HasCapability(Capability.UseTreeCrossboards))
            {
                // Scheduled for later build
                pendingBuilds.Enqueue(nodeHandle);
            }

            // ---------------------------- Geometry check -------------------------------------

            Geometry geom = n as Geometry;

            if (geom != null)
            {
                nodeHandle.BuildGameObject();

                // Notify subscribers of new Geometry
                OnNewGeometry?.Invoke(gameObject);

                // Later on we will identify types of geoemtry that will be scheduled later if they are extensive and not ground that covers other geometry
                // and build them in a later pass distributed over time
                // pendingBuilds.Enqueue(nodeHandle);
            }

            return(gameObject);
        }
        private GameObject TraverseInternal(Node node, NodeHandle activeStateNode)
        {
            // We must be called in edit lock

            System.Diagnostics.Debug.Assert(node != null && node.IsValid());



            // --------------------------- Add game object ---------------------------------------



            NodeHandle nodeHandle;

            var builder = GetBuilderForNode(node);

            if (builder == null)
            {
                nodeHandle = CreateNodeHandle(node, PoolObjectFeature.None);

                // check for new active state
                if (node.HasState())
                {
                    activeStateNode = nodeHandle;
                }
            }
            else
            {
                nodeHandle = CreateNodeHandle(node, builder.Feature);

                // check for new active state
                if (node.HasState())
                {
                    activeStateNode = nodeHandle;
                }

                // build gameobjects for this node
                BuildNode(builder, nodeHandle, activeStateNode);
            }

            var gameObject = nodeHandle.gameObject;



            // ---------------------------- Transform check -------------------------------------

            if (node is gzTransform tr)
            {
                try
                {
                    Performance.Enter("SM.Traverse.Transform");

                    ProcessTransformNode(tr, gameObject.transform);

                    Performance.Enter("SM.Traverse.OnNewTransform");

                    // Notify subscribers of new Transform
                    OnNewTransform?.Invoke(gameObject);

                    Performance.Leave();
                }
                finally
                {
                    Performance.Leave();
                }
            }

            // ---------------------------- DynamicLoader check -------------------------------------

            // Add dynamic loader as game object in dictionary
            // so other dynamic loaded data can parent them as child to loader
            if (node is DynamicLoader dl)
            {
                try
                {
                    Performance.Enter("SM.Traverse.Loader");

                    var res = ProcessDynamicLoaderNode(dl, nodeHandle);
                    if (res != null)
                    {
                        return(res);
                    }

                    // We shall continue to iterate as a group to see if we already have loaded children


                    Performance.Enter("SM.Traverse.OnNewLoader");

                    // Notify subscribers of new Loader
                    OnNewLoader?.Invoke(gameObject);

                    Performance.Leave();
                }
                finally
                {
                    Performance.Leave();
                }
            }

            // ---------------------------- Lod check -------------------------------------

            if (node is Lod ld)
            {
                ProcessLodNode(ld, nodeHandle, activeStateNode);

                Performance.Enter("SM.Traverse.OnNewLod");

                // Notify subscribers of new Lod
                OnNewLod?.Invoke(gameObject);

                Performance.Leave();

                // Dont process group as group is already processed
                return(gameObject);
            }

            // ---------------------------- Roi check -------------------------------------

            if (node is Roi roi)
            {
                ProcessRoiNode(roi, nodeHandle, activeStateNode);

                // Dont process group as group is already processed
                return(gameObject);
            }

            // ---------------------------- RoiNode check -------------------------------------

            if (node is RoiNode)
            {
                RegisterNodeForUpdate(nodeHandle);
            }

            // ---------------------------- Group check -------------------------------------

            if (node is Group g)
            {
                ProcessGroup(g, nodeHandle, activeStateNode);
                return(gameObject);
            }

            // ---------------------------ExtRef check -----------------------------------------

            if (node is ExtRef extRef)
            {
                var info = new AssetLoadInfo(gameObject, extRef.ResourceURL, extRef.ObjectID);

                pendingAssetLoads.Push(info);
            }

            // ---------------------------- Geometry check -------------------------------------

            if (node is Geometry geom)
            {
                OnNewGeometry?.Invoke(gameObject);
            }

            return(gameObject);
        }