/// <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);
}
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);
}
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);
}
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);
}
}
}
}