/// <summary>
/// 在指定的sheet中读取key对应条目
/// </summary>
/// <param name="sheetName">指定的sheet名称</param>
/// <param name="key">要获取的条目的键</param>
/// <returns>键对应的条目</returns>
public byte[] GetSheetBytes(string sheetName, string key, out string sheetType)
{
sheetType = "";
KeySheetData data;
if (mKeySheets.TryGetValue(sheetName, out data))
{
mCachedOffsets.Clear();
if (data.GetItemOffsets(key, mCachedOffsets))
{
Stream s = data.stream;
if (mCachedOffsets.Count > 0)
{
s.Position = (long)mCachedOffsets[0];
ushort typeIndex = DatabaseStreamReader.ReadUShort(s);
sheetType = data.typeFinder.GetTypeName(typeIndex);
int length = DatabaseStreamReader.ReadInt(s);
byte[] bytes = new byte[length];
s.Read(bytes, 0, length);
return(bytes);
}
}
}
return(null);
}
/// <summary>
/// 根据xml名称从数据库中获取该xml定义的数据
/// </summary>
/// <param name="xmlName">xml名称</param>
/// <returns>该xml中的二进制数据</returns>
public byte[] GetXMLBytes(string xmlName, out string xmlType)
{
xmlType = "";
if (string.IsNullOrEmpty(xmlName))
{
return(null);
}
DataInfo info;
if (!mDataInfos.TryGetValue(xmlName, out info))
{
return(null);
}
info.usedTimes++;
Stream s = info.stream;
if (s == null)
{
return(null);
}
s.Position = (long)info.offset;
ushort typeIndex = DatabaseStreamReader.ReadUShort(s);
xmlType = info.typeFinder.GetTypeName(typeIndex);
int length = DatabaseStreamReader.ReadInt(s);
byte[] bytes = new byte[length];
s.Read(bytes, 0, length);
return(bytes);
}
/// <summary>
/// 将一个组中所有的xml数据加到数据库中
/// </summary>
/// <param name="stream">该组的数据流</param>
/// <param name="addedXmls">从组中加到数据库中的所有xml名称</param>
/// <returns>组名称，若添加失败或该组已存在，则返回null</returns>
public string AddToDatabase(Stream stream, IList <string> addedXmls)
{
stream.Position = 0L;
byte[] buffer = new byte[1024];
ushort groupLen = DatabaseStreamReader.ReadUShort(stream);
stream.Read(buffer, 0, groupLen);
string groupKey = Encoding.UTF8.GetString(buffer, 0, groupLen);
if (mGroupXmls.ContainsKey(groupKey))
{
return(null);
}
ushort count = DatabaseStreamReader.ReadUShort(stream);
string[] xmls = new string[count];
GroupTypeFinder typeFinder = new GroupTypeFinder("Assembly-CSharp", groupKey);
for (ushort i = 0; i < count; i++)
{
ushort nameLen = DatabaseStreamReader.ReadUShort(stream);
//Debug.LogWarning(nameLen);
stream.Read(buffer, 0, nameLen);
string xmlName = Encoding.UTF8.GetString(buffer, 0, nameLen);
int offset = DatabaseStreamReader.ReadInt(stream);
if (mDataInfos.ContainsKey(xmlName))
{
Debug.LogError(string.Format("Xml '{0}' is already existed !", xmlName));
continue;
}
mDataInfos.Add(xmlName, new DataInfo(stream, typeFinder, offset));
xmls[i] = xmlName;
if (addedXmls != null)
{
addedXmls.Add(xmlName);
}
}
ushort typeCount = DatabaseStreamReader.ReadUShort(stream);
string[] typeNames = new string[typeCount];
for (uint i = 0; i < typeCount; i++)
{
int len = stream.ReadByte();
stream.Read(buffer, 0, len);
typeNames[i] = Encoding.UTF8.GetString(buffer, 0, len);
}
typeFinder.SetTypes(typeNames);
mGroupXmls.Add(groupKey, xmls);
return(groupKey);
}
// 根据string型id直接返回数据流，Lua层使用;
public byte[] GetItemBytes(string key, out string sheetType)
{
sheetType = "";
if (!mStrKey)
{
return(null);
}
object obj = null;
Type type = null;
List <ItemData> itemDatas = null;
if (mKeyDatas.TryGetValue(key, out itemDatas))
{
for (int i = 0, imax = itemDatas.Count; i < imax; i++)
{
obj = itemDatas[i].obj;
if (obj != null)
{
type = itemDatas[i].type;
break;
}
}
}
while (obj == null && mActiveKeyReaders.Count > 0)
{
for (int i = 0, imax = mActiveKeyReaders.Count; i < imax; i++)
{
XmlIdReader r = mActiveKeyReaders[i];
bool canRead = false;
while (canRead = r.MoveNext())
{
string itemKey = r.CurrentKeyItem.Key;
ItemData itemData;
itemData.obj = r.CurrentKeyItem.Value;
itemData.type = r.type;
if (mKeyDatas.TryGetValue(itemKey, out itemDatas))
{
itemDatas.Add(itemData);
}
else
{
itemDatas = new List <ItemData>();
itemDatas.Add(itemData);
mKeyDatas.Add(itemKey, itemDatas);
}
if (itemKey == key)
{
obj = itemData.obj;
type = itemData.type;
break;
}
if (string.Compare(itemKey, key) > 0)
{
break;
}
}
if (!canRead)
{
mCachedInts.Add(i);
}
if (obj != null)
{
break;
}
}
for (int i = mCachedInts.Count - 1; i >= 0; i--)
{
mActiveKeyReaders.RemoveAt(mCachedInts[i]);
}
mCachedInts.Clear();
}
if (obj != null && type != null)
{
sheetType = type.ToString();
MemoryStream dataStream = new MemoryStream();
RuntimeTypeModel.Default.SerializeWithLengthPrefix(dataStream, obj, type, ProtoBuf.PrefixStyle.Fixed32, 0);
dataStream.Position = 0;
int length = DatabaseStreamReader.ReadInt(dataStream);
byte[] bytes = new byte[length];
dataStream.Read(bytes, 0, length);
dataStream.Close();
return(bytes);
}
return(null);
}
/// <summary>
/// 将一个组中所有的sheet加到数据库中
/// </summary>
/// <param name="stream">该组的数据流</param>
/// <param name="addedSheets">从组中加到数据库中的所有sheet名称</param>
/// <returns>组名称，若添加失败或该组已存在，则返回null</returns>
public string AddToDatabase(Stream stream, IList <string> addedSheets)
{
stream.Position = 0L;
byte[] buffer = new byte[1024];
ushort groupKeyLen = DatabaseStreamReader.ReadUShort(stream);
stream.Read(buffer, 0, groupKeyLen);
string groupKey = Encoding.UTF8.GetString(buffer, 0, groupKeyLen);
if (mGroupSheets.ContainsKey(groupKey))
{
return(null);
}
ushort sheetCount = DatabaseStreamReader.ReadUShort(stream);
int[] sheetOffsets = new int[sheetCount];
for (ushort i = 0; i < sheetCount; i++)
{
sheetOffsets[i] = DatabaseStreamReader.ReadInt(stream);
}
string[] sheets = new string[sheetCount];
GroupTypeFinder typeFinder = new GroupTypeFinder("Assembly-CSharp", groupKey);
for (ushort i = 0; i < sheetCount; i++)
{
stream.Position = sheetOffsets[i];
ushort nameLen = DatabaseStreamReader.ReadUShort(stream);
stream.Read(buffer, 0, nameLen);
string sheetName = Encoding.UTF8.GetString(buffer, 0, nameLen);
uint sheetItemCount = DatabaseStreamReader.ReadUInt(stream);
//UnityEngine.Debug.LogError("sheet name : " + sheetName + " item count : " + sheetItemCount);
bool strKey = (sheetItemCount & 0x80000000) != 0u;
sheetItemCount = sheetItemCount & 0x7fffffff;
//UnityEngine.Debug.LogError("sheet item count : " + sheetItemCount);
//UnityEngine.Debug.LogError("str key ? " + strKey);
bool existed = mKeySheets.ContainsKey(sheetName) || mIdSheets.ContainsKey(sheetName);
if (strKey)
{
string[] keys = new string[sheetItemCount];
int[] offsets = new int[sheetItemCount];
for (int j = 0; j < sheetItemCount; j++)
{
int keyLen = stream.ReadByte();
//UnityEngine.Debug.Log(keyLen);
stream.Read(buffer, 0, keyLen);
keys[j] = Encoding.UTF8.GetString(buffer, 0, keyLen);
offsets[j] = DatabaseStreamReader.ReadInt(stream);
//UnityEngine.Debug.LogWarning(string.Format("key : {0} offset : {1}", keys[j], offsets[j]));
}
if (!existed)
{
KeySheetData sheet = new KeySheetData(stream, typeFinder, (int)sheetItemCount, keys, offsets);
mKeySheets.Add(sheetName, sheet);
}
}
else
{
uint[] ids = new uint[sheetItemCount];
int[] offsets = new int[sheetItemCount];
for (int j = 0; j < sheetItemCount; j++)
{
ids[j] = (uint)DatabaseStreamReader.ReadInt(stream);
offsets[j] = DatabaseStreamReader.ReadInt(stream);
//UnityEngine.Debug.LogWarning(string.Format("id : {0} offset : {1}", ids[j], offsets[j]));
}
if (!existed)
{
IdSheetData sheet = new IdSheetData(stream, typeFinder, (int)sheetItemCount, ids, offsets);
mIdSheets.Add(sheetName, sheet);
}
}
if (existed)
{
Debug.LogError(string.Format("Sheet '{0}' is already existed !", sheetName));
}
else
{
sheets[i] = sheetName;
if (addedSheets != null)
{
addedSheets.Add(sheetName);
}
//Debug.Log("sheet : " + sheetName);
}
}
ushort typeCount = DatabaseStreamReader.ReadUShort(stream);
string[] typeNames = new string[typeCount];
for (uint i = 0; i < typeCount; i++)
{
int len = stream.ReadByte();
stream.Read(buffer, 0, len);
typeNames[i] = Encoding.UTF8.GetString(buffer, 0, len);
}
typeFinder.SetTypes(typeNames);
mGroupSheets.Add(groupKey, sheets);
return(groupKey);
}
/// <summary>
/// 根据xml名称从数据库中获取该xml定义的数据
/// </summary>
/// <param name="xmlName">xml名称</param>
/// <returns>该xml中的二进制数据</returns>
public byte[] GetXMLBytes(string xmlName, out string xmlType)
{
xmlType = "";
if (string.IsNullOrEmpty(xmlName))
{
return(null);
}
DataInfo info;
if (!mDataInfos.TryGetValue(xmlName, out info))
{
return(null);
}
info.usedTimes++;
byte[] xmlBytes = null;
StreamReader sr = null;
System.Xml.XmlReader xr = null;
MemoryStream dataStream = new MemoryStream();
string path = string.Format("{0}/../{1}", Application.dataPath, info.path);
try
{
sr = File.OpenText(path);
xr = System.Xml.XmlReader.Create(sr);
Type type = info.typeFinder.GetType((ushort)info.typeIndex);
if (type == null)
{
return(null);
}
xmlType = info.typeFinder.GetTypeName((ushort)info.typeIndex);
System.Xml.Serialization.XmlSerializer serializer = new System.Xml.Serialization.XmlSerializer(type);
object obj = serializer.Deserialize(xr);
RuntimeTypeModel.Default.SerializeWithLengthPrefix(dataStream, obj, type, ProtoBuf.PrefixStyle.Fixed32, 0);
dataStream.Position = 0;
int xmlLength = DatabaseStreamReader.ReadInt(dataStream);
xmlBytes = new byte[xmlLength];
dataStream.Read(xmlBytes, 0, xmlLength);
}
catch (Exception e)
{
System.Xml.XmlTextReader xtr = xr as System.Xml.XmlTextReader;
if (xtr != null)
{
Debug.LogError(string.Format("Xml Parse Error At '{0}:{1},{2}'", path, xtr.LineNumber, xtr.LinePosition));
}
Debug.LogException(e);
}
if (dataStream != null)
{
dataStream.Close();
}
if (xr != null)
{
xr.Close();
}
if (sr != null)
{
sr.Close();
}
return(xmlBytes);
}