示例#1
0
    /// <summary>
    /// GIF LZW decode
    /// </summary>
    /// <param name="compData">LZW compressed data</param>
    /// <param name="lzwMinimumCodeSize">LZW minimum code size</param>
    /// <param name="needDataSize">Need decoded data size</param>
    /// <returns>Decoded data array</returns>
    private static byte[] DecodeGifLZW(List <byte> compData, int lzwMinimumCodeSize, int needDataSize)
    {
        int clearCode  = 0;
        int finishCode = 0;

        // Initialize dictionary
        Dictionary <int, string> dic = new Dictionary <int, string>();
        int lzwCodeSize = 0;

        InitDictionary(dic, lzwMinimumCodeSize, out lzwCodeSize, out clearCode, out finishCode);

        // Convert to bit array
        byte[] compDataArr = compData.ToArray();
        var    bitData     = new BitArray(compDataArr);

        byte[] output         = new byte[needDataSize];
        int    outputAddIndex = 0;

        string prevEntry = null;

        bool dicInitFlag = false;

        int bitDataIndex = 0;

        // LZW decode loop
        while (bitDataIndex < bitData.Length)
        {
            if (dicInitFlag)
            {
                InitDictionary(dic, lzwMinimumCodeSize, out lzwCodeSize, out clearCode, out finishCode);
                dicInitFlag = false;
            }

            int key = bitData.GetNumeral(bitDataIndex, lzwCodeSize);

            string entry = null;

            if (key == clearCode)
            {
                // Clear (Initialize dictionary)
                dicInitFlag   = true;
                bitDataIndex += lzwCodeSize;
                prevEntry     = null;
                continue;
            }
            else if (key == finishCode)
            {
                // Exit
                Debug.LogWarning("early stop code. bitDataIndex:" + bitDataIndex + " lzwCodeSize:" + lzwCodeSize + " key:" + key + " dic.Count:" + dic.Count);
                break;
            }
            else if (dic.ContainsKey(key))
            {
                // Output from dictionary
                entry = dic[key];
            }
            else if (key >= dic.Count)
            {
                if (prevEntry != null)
                {
                    // Output from estimation
                    entry = prevEntry + prevEntry[0];
                }
                else
                {
                    Debug.LogWarning("It is strange that come here. bitDataIndex:" + bitDataIndex + " lzwCodeSize:" + lzwCodeSize + " key:" + key + " dic.Count:" + dic.Count);
                    bitDataIndex += lzwCodeSize;
                    continue;
                }
            }
            else
            {
                Debug.LogWarning("It is strange that come here. bitDataIndex:" + bitDataIndex + " lzwCodeSize:" + lzwCodeSize + " key:" + key + " dic.Count:" + dic.Count);
                bitDataIndex += lzwCodeSize;
                continue;
            }

            // Output
            // Take out 8 bits from the string.
            var temp = Encoding.Unicode.GetBytes(entry);
            for (int i = 0; i < temp.Length; i++)
            {
                if (i % 2 == 0)
                {
                    output[outputAddIndex] = temp[i];
                    outputAddIndex++;
                }
            }

            if (outputAddIndex >= needDataSize)
            {
                // Exit
                break;
            }

            if (prevEntry != null)
            {
                // Add to dictionary
                dic.Add(dic.Count, prevEntry + entry[0]);
            }

            prevEntry = entry;

            bitDataIndex += lzwCodeSize;

            if (lzwCodeSize == 3 && dic.Count >= 8)
            {
                lzwCodeSize = 4;
            }
            else if (lzwCodeSize == 4 && dic.Count >= 16)
            {
                lzwCodeSize = 5;
            }
            else if (lzwCodeSize == 5 && dic.Count >= 32)
            {
                lzwCodeSize = 6;
            }
            else if (lzwCodeSize == 6 && dic.Count >= 64)
            {
                lzwCodeSize = 7;
            }
            else if (lzwCodeSize == 7 && dic.Count >= 128)
            {
                lzwCodeSize = 8;
            }
            else if (lzwCodeSize == 8 && dic.Count >= 256)
            {
                lzwCodeSize = 9;
            }
            else if (lzwCodeSize == 9 && dic.Count >= 512)
            {
                lzwCodeSize = 10;
            }
            else if (lzwCodeSize == 10 && dic.Count >= 1024)
            {
                lzwCodeSize = 11;
            }
            else if (lzwCodeSize == 11 && dic.Count >= 2048)
            {
                lzwCodeSize = 12;
            }
            else if (lzwCodeSize == 12 && dic.Count >= 4096)
            {
                int nextKey = bitData.GetNumeral(bitDataIndex, lzwCodeSize);
                if (nextKey != clearCode)
                {
                    dicInitFlag = true;
                }
            }
        }

        return(output);
    }
示例#2
0
    private static bool SetGifBlock(byte[] gifBytes, ref int byteIndex, ref GifData gifData)
    {
        try
        {
            int lastIndex = 0;
            while (true)
            {
                int nowIndex = byteIndex;

                if (gifBytes[nowIndex] == 0x2c)
                {
                    // Image Block(0x2c)
                    SetImageBlock(gifBytes, ref byteIndex, ref gifData);
                }
                else if (gifBytes[nowIndex] == 0x21)
                {
                    // Extension
                    switch (gifBytes[nowIndex + 1])
                    {
                    case 0xf9:
                        // Graphic Control Extension(0x21 0xf9)
                        SetGraphicControlExtension(gifBytes, ref byteIndex, ref gifData);
                        break;

                    case 0xfe:
                        // Comment Extension(0x21 0xfe)
                        SetCommentExtension(gifBytes, ref byteIndex, ref gifData);
                        break;

                    case 0x01:
                        // Plain Text Extension(0x21 0x01)
                        SetPlainTextExtension(gifBytes, ref byteIndex, ref gifData);
                        break;

                    case 0xff:
                        // Application Extension(0x21 0xff)
                        SetApplicationExtension(gifBytes, ref byteIndex, ref gifData);
                        break;

                    default:
                        break;
                    }
                }
                else if (gifBytes[nowIndex] == 0x3b)
                {
                    // Trailer(1 Byte)
                    gifData.trailer = gifBytes[byteIndex];
                    byteIndex++;
                    break;
                }

                if (lastIndex == nowIndex)
                {
                    Debug.LogError("Infinite loop error.");
                    return(false);
                }

                lastIndex = nowIndex;
            }
        }
        catch (Exception ex)
        {
            Debug.LogError(ex.Message);
            return(false);
        }

        return(true);
    }
示例#3
0
    private static bool SetGifHeader(byte[] gifBytes, ref int byteIndex, ref GifData gifData)
    {
        // Signature(3 Bytes)
        // 0x47 0x49 0x46 (GIF)
        if (gifBytes[0] != 'G' || gifBytes[1] != 'I' || gifBytes[2] != 'F')
        {
            Debug.LogError("This is not GIF image.");
            return(false);
        }
        gifData.sig0 = gifBytes[0];
        gifData.sig1 = gifBytes[1];
        gifData.sig2 = gifBytes[2];

        // Version(3 Bytes)
        // 0x38 0x37 0x61 (87a) or 0x38 0x39 0x61 (89a)
        if ((gifBytes[3] != '8' || gifBytes[4] != '7' || gifBytes[5] != 'a') &&
            (gifBytes[3] != '8' || gifBytes[4] != '9' || gifBytes[5] != 'a'))
        {
            Debug.LogError("GIF version error.\nSupported only GIF87a or GIF89a.");
            return(false);
        }
        gifData.ver0 = gifBytes[3];
        gifData.ver1 = gifBytes[4];
        gifData.ver2 = gifBytes[5];

        // Logical Screen Width(2 Bytes)
        gifData.logicalScreenWidth = BitConverter.ToUInt16(gifBytes, 6);

        // Logical Screen Height(2 Bytes)
        gifData.logicalScreenHeight = BitConverter.ToUInt16(gifBytes, 8);

        // 1 Byte
        {
            // Global Color Table Flag(1 Bit)
            gifData.globalColorTableFlag = (gifBytes[10] & 128) == 128; // 0b10000000

            // Color Resolution(3 Bits)
            switch (gifBytes[10] & 112)
            {
            case 112:     // 0b01110000
                gifData.colorResolution = 8;
                break;

            case 96:     // 0b01100000
                gifData.colorResolution = 7;
                break;

            case 80:     // 0b01010000
                gifData.colorResolution = 6;
                break;

            case 64:     // 0b01000000
                gifData.colorResolution = 5;
                break;

            case 48:     // 0b00110000
                gifData.colorResolution = 4;
                break;

            case 32:     // 0b00100000
                gifData.colorResolution = 3;
                break;

            case 16:     // 0b00010000
                gifData.colorResolution = 2;
                break;

            default:
                gifData.colorResolution = 1;
                break;
            }

            // Sort Flag(1 Bit)
            gifData.sortFlag = (gifBytes[10] & 8) == 8; // 0b00001000

            // Size of Global Color Table(3 Bits)
            int val = (gifBytes[10] & 7) + 1;
            gifData.sizeOfGlobalColorTable = (int)Math.Pow(2, val);
        }

        // Background Color Index(1 Byte)
        gifData.bgColorIndex = gifBytes[11];

        // Pixel Aspect Ratio(1 Byte)
        gifData.pixelAspectRatio = gifBytes[12];

        byteIndex = 13;
        if (gifData.globalColorTableFlag)
        {
            // Global Color Table(0~255×3 Bytes)
            gifData.globalColorTable = new List <byte[]>();
            for (int i = byteIndex; i < byteIndex + (gifData.sizeOfGlobalColorTable * 3); i += 3)
            {
                gifData.globalColorTable.Add(new byte[] { gifBytes[i], gifBytes[i + 1], gifBytes[i + 2] });
            }
            byteIndex = byteIndex + (gifData.sizeOfGlobalColorTable * 3);
        }

        return(true);
    }
示例#4
0
    public IEnumerator Load(int numberOfFrames, float timeScale = 0)
    {
        if (Data == null)
        {
            Debug.LogWarning("There was a problem loading Object Data!");
        }

        ++loadingCount;
        //var oldFixedTime = Time.fixedDeltaTime;
        //if (Application.isPlaying)
        //    Time.fixedDeltaTime = 9;
        //Need to wait while the base level is prepared, it takes 2 frames
        while (numberOfFrames-- > 0)
        {
            yield return(new WaitForEndOfFrame());
        }

        if (LevelSerializer.ShouldCollect && timeScale == 0)
        {
            GC.Collect();
        }

        LevelSerializer.RaiseProgress("Initializing", 0);
        if (Data != null && Data.rootObject != null)
        {
            Debug.Log(Data.StoredObjectNames.Any(sn => sn.Name == Data.rootObject) ? "Located " + Data.rootObject : "Not found " + Data.rootObject);
        }
        //Check if we should be deleting missing items
        if (!DontDelete)
        {
            //First step is to remove any items that should not exist according to the saved scene
            if (Data != null)
            {
                foreach (var go in
                         UniqueIdentifier.AllIdentifiers.Where(n => Data.StoredObjectNames.All(sn => sn.Name != n.Id)).ToList())
                {
                    try
                    {
                        var cancel = false;
                        OnDestroyObject(go.gameObject, ref cancel);
                        if (!cancel)
                        {
                            Destroy(go.gameObject);
                        }
                    }
                    catch (Exception e)
                    {
                        Debug.LogWarning("Problem destroying object " + go.name + " " + e.ToString());
                    }
                }
            }
        }

        var flaggedObjects = new List <UniqueIdentifier>();

        if (Data != null)
        {
            flaggedObjects.AddRange(Data.StoredObjectNames.Select(c => UniqueIdentifier.GetByName(c.Name)).Where(c => c != null).Select(c => c.GetComponent <UniqueIdentifier>()));
        }

        LevelSerializer.RaiseProgress("Initializing", 0.25f);

        var position = new Vector3(0, 2000, 2000);

        //Next we need to instantiate any items that are needed by the stored scene
        if (Data != null)
        {
            foreach (var sto in
                     Data.StoredObjectNames.Where(c => UniqueIdentifier.GetByName(c.Name) == null))
            {
                try
                {
                    if (sto.createEmptyObject || sto.ClassId == null || !LevelSerializer.AllPrefabs.ContainsKey(sto.ClassId))
                    {
                        sto.GameObject = new GameObject("CreatedObject");
                        sto.GameObject.transform.position = position;
                        var emptyObjectMarker = sto.GameObject.AddComponent <EmptyObjectIdentifier>();
                        sto.GameObject.AddComponent <StoreMesh>();
                        emptyObjectMarker.IsDeserializing = true;
                        emptyObjectMarker.Id = sto.Name;
                        if (emptyObjectMarker.Id == Data.rootObject)
                        {
                            Debug.Log("Set the root object on an empty");
                        }
                        flaggedObjects.Add(emptyObjectMarker);
                    }
                    else
                    {
                        var pf     = LevelSerializer.AllPrefabs[sto.ClassId];
                        var cancel = false;
                        CreateGameObject(pf, ref cancel);
                        if (cancel)
                        {
                            Debug.LogWarning("Cancelled");
                            continue;
                        }
                        var uis = pf.GetComponentsInChildren <UniqueIdentifier>();
                        foreach (var ui in uis)
                        {
                            ui.IsDeserializing = true;
                        }
                        sto.GameObject = Instantiate(pf, position, Quaternion.identity) as GameObject;
                        sto.GameObject.GetComponent <UniqueIdentifier>().Id = sto.Name;
                        if (sto.GameObject.GetComponent <UniqueIdentifier>().Id == Data.rootObject)
                        {
                            Debug.Log("Set the root object on a prefab");
                        }
                        foreach (var ui in uis)
                        {
                            ui.IsDeserializing = false;
                        }
                        flaggedObjects.AddRange(sto.GameObject.GetComponentsInChildren <UniqueIdentifier>());
                    }

                    position += Vector3.right * 50;
                    sto.GameObject.GetComponent <UniqueIdentifier>().Id = sto.Name;
                    sto.GameObject.name = sto.GameObjectName;
                    if (sto.ChildIds.Count > 0)
                    {
                        var list = sto.GameObject.GetComponentsInChildren <UniqueIdentifier>().ToList();
                        for (var i = 0; i < list.Count && i < sto.ChildIds.Count; i++)
                        {
                            list[i].Id = sto.ChildIds[i];
                        }
                    }
                    if (sto.Children.Count > 0)
                    {
                        var list = LevelSerializer.GetComponentsInChildrenWithClause(sto.GameObject);
                        _indexDictionary.Clear();
                        foreach (var c in list)
                        {
                            if (!sto.Children.ContainsKey(c.ClassId))
                            {
                                continue;
                            }
                            if (!_indexDictionary.ContainsKey(c.ClassId))
                            {
                                _indexDictionary[c.ClassId] = 0;
                            }
                            c.Id = sto.Children[c.ClassId][_indexDictionary[c.ClassId]];
                            _indexDictionary[c.ClassId] = _indexDictionary[c.ClassId] + 1;
                        }
                    }
                }
                catch (Exception e)
                {
                    Debug.LogError(e);
                    Debug.LogWarning("Problem creating an object " + sto.GameObjectName + " with classID " + sto.ClassId + " " + e);
                }
            }
        }
        var loadedGameObjects = new HashSet <GameObject>();

        LevelSerializer.RaiseProgress("Initializing", 0.75f);

        if (Data != null)
        {
            foreach (var so in Data.StoredObjectNames)
            {
                var go = UniqueIdentifier.GetByName(so.Name);
                if (go != null)
                {
                    loadedGameObjects.Add(go);
                    if (so.Components != null && so.Components.Count > 0)
                    {
                        var all = go.GetComponents <Component>().Where(c => !typeof(UniqueIdentifier).IsAssignableFrom(c.GetType())).ToList();
                        foreach (var comp in all)
                        {
                            if (!so.Components.ContainsKey(comp.GetType().FullName))
                            {
                                if (Application.isPlaying)
                                {
                                    Destroy(comp);
                                }
                                else
                                {
                                    DestroyImmediate(comp);
                                }
                            }
                        }
                    }
                    SetActive(go, so.Active);
                    if (so.setExtraData)
                    {
                        go.layer = so.layer;
                        go.tag   = so.tag;
                    }
                }
                else
                {
                    Debug.LogError("Could not find " + so.GameObjectName + " " + so.Name);
                }
            }
        }

        LevelSerializer.RaiseProgress("Initializing", 0.85f);

        if (Data != null && rootObject != null)
        {
            if (UniqueIdentifier.GetByName(Data.rootObject) == null)
            {
                Debug.Log("No root object has been configured");
            }
        }

        foreach (var go in Data.StoredObjectNames.Where(c => !string.IsNullOrEmpty(c.ParentName)))
        {
            var parent = UniqueIdentifier.GetByName(go.ParentName);
            var item   = UniqueIdentifier.GetByName(go.Name);
            if (item != null && parent != null)
            {
                item.SetParent(parent);
            }
        }

        LevelSerializer.RaiseProgress("Initializing", 1f);

        var currentProgress = 0;

        UnitySerializer.FinalProcess process;

        if (Data != null)
        {
            using (new UnitySerializer.SerializationSplitScope())
            {
                using (new UnitySerializer.SerializationScope())
                {
                    //Now we restore the data for the items
                    foreach (var item in
                             Data.StoredItems.GroupBy(i => i.Name,
                                                      (name, cps) => new
                    {
                        Name = name,
                        Components = cps.Where(cp => cp.Name == name).GroupBy(cp => cp.Type,
                                                                              (type, components) => new
                        {
                            Type = type,
                            List = components.ToList()
                        }).ToList()
                    }))
                    {
                        Debug.LogFormat("\n*****************\n{0}\n********START**********\n", item.Name);
                        var go = UniqueIdentifier.GetByName(item.Name);
                        if (go == null)
                        {
                            Debug.LogWarning(item.Name + " was null");
                            continue;
                        }

                        foreach (var cp in item.Components)
                        {
                            try
                            {
                                LevelSerializer.RaiseProgress("Loading", (float)++currentProgress / (float)Data.StoredItems.Count);
                                var type = UnitySerializer.GetTypeEx(cp.Type);
                                if (type == null)
                                {
                                    continue;
                                }
                                Last = go;
                                var cancel = false;
                                LoadData(go, ref cancel);
                                LoadComponent(go, type.Name, ref cancel);
                                if (cancel)
                                {
                                    continue;
                                }

                                Debug.LogFormat("<{0}>\n", type.FullName);

                                var list = go.GetComponents(type).Where(c => c.GetType() == type).ToList();
                                //Make sure the lists are the same length
                                while (list.Count > cp.List.Count)
                                {
                                    DestroyImmediate(list.Last());
                                    list.Remove(list.Last());
                                }
                                if (type == typeof(NavMeshAgent))
                                {
                                    var    cp1     = cp;
                                    var    item1   = item;
                                    Action perform = () =>
                                    {
                                        var comp  = cp1;
                                        var tp    = type;
                                        var tname = item1.Name;
                                        UnitySerializer.AddFinalAction(() =>
                                        {
                                            var g     = UniqueIdentifier.GetByName(tname);
                                            var nlist = g.GetComponents(tp).Where(c => c.GetType() == tp).ToList();
                                            while (nlist.Count < comp.List.Count)
                                            {
                                                try
                                                {
                                                    nlist.Add(g.AddComponent(tp));
                                                }
                                                catch
                                                {
                                                }
                                            }
                                            list = list.Where(l => l != null).ToList();
                                            //Now deserialize the items back in
                                            for (var i = 0; i < nlist.Count; i++)
                                            {
                                                if (LevelSerializer.CustomSerializers.ContainsKey(tp))
                                                {
                                                    LevelSerializer.CustomSerializers[tp].Deserialize((byte[])comp.List[i].Data, nlist[i]);
                                                }
                                                else
                                                {
                                                    UnitySerializer.DeserializeInto(comp.List[i].Data, nlist[i]);
                                                }
                                                LoadedComponent(nlist[i]);
                                            }
                                        });
                                    };
                                    perform();
                                }
                                else
                                {
                                    while (list.Count < cp.List.Count)
                                    {
                                        try
                                        {
                                            Debug.Log("Adding component of type " + type.ToString());
                                            // Try to resolve [RequireComponent] attributes by iteratively adding the components that
                                            // don't have any requirements first
                                            var requirements = new List <Type>()
                                            {
                                                type
                                            };
                                            bool updated = false;
                                            do
                                            {
                                                int before = requirements.Count();
                                                var r      = requirements.SelectMany(it => it.GetCustomAttributes(typeof(RequireComponent), true).
                                                                                     Select(itm => new[] { ((RequireComponent)itm).m_Type0, ((RequireComponent)itm).m_Type1, ((RequireComponent)itm).m_Type2 }).SelectMany(itm => itm).Where(itm => itm != null).Distinct()).ToList();

                                                requirements.AddRange(r.Where(a => !requirements.Contains(a)));
                                                updated = before != requirements.Count();
                                            } while (updated);
                                            requirements.RemoveAt(0);

                                            foreach (var req in requirements)
                                            {
                                                go.AddComponent(UnitySerializer.GetTypeEx(item.Components.FirstOrDefault(a => req.IsAssignableFrom(UnitySerializer.GetTypeEx(a.Type))).Type));
                                            }

                                            list.Add(go.AddComponent(type));
                                        }
                                        catch { }
                                    }
                                    list = list.Where(l => l != null).ToList();
                                    //Now deserialize the items back in
                                    for (var i = 0; i < list.Count; i++)
                                    {
                                        Debug.Log(string.Format("Deserializing {0} for {1}", type.Name, go.GetFullName()));
                                        if (LevelSerializer.CustomSerializers.ContainsKey(type))
                                        {
                                            LevelSerializer.CustomSerializers[type].Deserialize(cp.List[i].Data, list[i]);
                                        }
                                        else
                                        {
                                            UnitySerializer.DeserializeInto(cp.List[i].Data, list[i]);
                                        }
                                        LoadedComponent(list[i]);
                                    }
                                }
                                Debug.LogFormat("</{0}>", type.FullName);
                            }
                            catch (Exception e)
                            {
                                Debug.LogWarning("Problem deserializing " + cp.Type + " for " + go.name + " " + e.ToString());
                            }
                        }
                        Debug.LogFormat("\n*****************\n{0}\n********END**********\n\n", item.Name);
                    }
                    process = UnitySerializer.TakeOwnershipOfFinalization();
                }

                UnitySerializer.RunDeferredActions(process);

                if (LevelSerializer.ShouldCollect && timeScale == 0)
                {
                    Resources.UnloadUnusedAssets();
                    GC.Collect();
                }

                PluginsHelper.Add(Last);

                UnitySerializer.InformDeserializedObjects(process);

                //Tell the world that the level has been loaded
                if (Data != null && Data.rootObject != null)
                {
                    rootObject = UniqueIdentifier.GetByName(Data.rootObject);
                }
                else
                {
                    rootObject = null;
                }

                if (rootObject == null && Data.rootObject != null)
                {
                    Debug.LogError("Could not find the root object");
                    Debug.Log(Data.rootObject + " not found " + (!Data.StoredObjectNames.Any(n => n.Name == Data.rootObject) ? "not in the stored names" : "was in the stored names"));
                }

                //Flag that we aren't deserializing
                foreach (var obj in flaggedObjects)
                {
                    obj.IsDeserializing = false;
                    obj.SendMessage("OnDeserialized", SendMessageOptions.DontRequireReceiver);
                }

                LevelSerializer.IsDeserializing = false;
                _loading = false;
                RoomManager.loadingRoom = false;
                whenCompleted(rootObject, loadedGameObjects.ToList());

                if (Application.isEditor)
                {
                    Last.hideFlags = HideFlags.HideAndDontSave;
                    Last.GetComponent <MeshRenderer>().enabled = false;
                }

                //Get rid of the current object that is holding this level loader, it was
                //created solely for the purpose of running this script
                if (Application.isPlaying)
                {
                    Destroy(gameObject, 0.1f);
                }
                else
                {
                    DestroyImmediate(gameObject);
                }
            }
        }
    }