/// <summary>
/// <para>等待下一条消息触发</para>
/// <para>当所在的上下文被重复触发时则会直接返回<see langword="false"/></para>
/// </summary>
internal object WaitForNextMessage(long sourceUid, string[] commandExps, MatchType matchType,
RegexOptions regexOptions, TimeSpan?timeout,
Func <ValueTask> timeoutTask, long sourceGroup = 0)
{
//生成指令上下文
WaitingInfo waitInfo =
CommandManager.GenerateWaitingCommandInfo(sourceUid, sourceGroup, commandExps, matchType, SourceType,
regexOptions, SoraApi.ConnectionId, SoraApi.ServiceId);
//检查是否为初始指令重复触发
if (StaticVariable.WaitingDict.Any(i => i.Value.IsSameSource(waitInfo)))
{
return(null);
}
//连续指令不再触发后续事件
IsContinueEventChain = false;
var sessionId = Guid.NewGuid();
//添加上下文并等待信号量
StaticVariable.WaitingDict.TryAdd(sessionId, waitInfo);
//是否正常接受到触发信号
bool receiveSignal =
//等待信号量
StaticVariable.WaitingDict[sessionId].Semaphore.WaitOne(timeout ?? TimeSpan.FromMilliseconds(-1));
//取出匹配指令的事件参数并删除上一次的上下文
object retEventArgs = receiveSignal ? StaticVariable.WaitingDict[sessionId].EventArgs : null;
StaticVariable.WaitingDict.TryRemove(sessionId, out _);
//在超时时执行超时任务
if (!receiveSignal && timeoutTask != null)
{
Task.Run(timeoutTask.Invoke);
}
return(retEventArgs);
}
public override void DoTextureLoad(EntityName textureEntityName, AssetType typ, DownloadFinishedCallback finishCall)
{
EntityNameLL textureEnt = new EntityNameLL(textureEntityName);
string worldID = textureEnt.EntityPart;
OMV.UUID binID = new OMV.UUID(worldID);
if (m_basePath == null)
{
return;
}
// do we already have the file?
string textureFilename = Path.Combine(CacheDirBase, textureEnt.CacheFilename);
lock (FileSystemAccessLock) {
if (File.Exists(textureFilename))
{
m_log.Log(LogLevel.DTEXTUREDETAIL, "DoTextureLoad: Texture file already exists for " + worldID);
bool hasTransparancy = CheckTextureFileForTransparancy(textureFilename);
// make the callback happen on a new thread so things don't get tangled (caller getting the callback)
Object[] finishCallParams = { finishCall, textureEntityName.Name, hasTransparancy };
m_completionWork.DoLater(FinishCallDoLater, finishCallParams);
// m_completionWork.DoLater(new FinishCallDoLater(finishCall, textureEntityName.Name, hasTransparancy));
}
else
{
bool sendRequest = false;
lock (m_waiting) {
// if this is already being requested, don't waste our time
if (m_waiting.ContainsKey(binID))
{
m_log.Log(LogLevel.DTEXTUREDETAIL, "DoTextureLoad: Already waiting for " + worldID);
}
else
{
WaitingInfo wi = new WaitingInfo(binID, finishCall);
wi.filename = textureFilename;
wi.type = typ;
m_waiting.Add(binID, wi);
sendRequest = true;
}
}
if (sendRequest)
{
// this is here because RequestTexture might immediately call the callback
// and we should be outside the lock
m_log.Log(LogLevel.DTEXTUREDETAIL, "DoTextureLoad: Requesting: " + textureEntityName);
// m_texturePipe.RequestTexture(binID, OMV.ImageType.Normal, 50f, 0, 0, OnACDownloadFinished, false);
// m_comm.GridClient.Assets.RequestImage(binID, OMV.ImageType.Normal, 101300f, 0, 0, OnACDownloadFinished, false);
// m_comm.GridClient.Assets.RequestImage(binID, OMV.ImageType.Normal, 50f, 0, 0, OnACDownloadFinished, false);
ThrottleTextureRequests(binID);
}
}
}
return;
}
public override void DoTextureLoad(EntityName textureEntityName, AssetType typ, DownloadFinishedCallback finishCall)
{
EntityNameLL textureEnt = new EntityNameLL(textureEntityName);
string worldID = textureEnt.EntityPart;
OMV.UUID binID = new OMV.UUID(worldID);
if (m_basePath == null) return;
// do we already have the file?
string textureFilename = Path.Combine(CacheDirBase, textureEnt.CacheFilename);
lock (FileSystemAccessLock) {
if (File.Exists(textureFilename)) {
m_log.Log(LogLevel.DTEXTUREDETAIL, "DoTextureLoad: Texture file already exists for " + worldID);
bool hasTransparancy = CheckTextureFileForTransparancy(textureFilename);
// make the callback happen on a new thread so things don't get tangled (caller getting the callback)
Object[] finishCallParams = { finishCall, textureEntityName.Name, hasTransparancy };
m_completionWork.DoLater(FinishCallDoLater, finishCallParams);
// m_completionWork.DoLater(new FinishCallDoLater(finishCall, textureEntityName.Name, hasTransparancy));
}
else {
bool sendRequest = false;
lock (m_waiting) {
// if this is already being requested, don't waste our time
if (m_waiting.ContainsKey(binID)) {
m_log.Log(LogLevel.DTEXTUREDETAIL, "DoTextureLoad: Already waiting for " + worldID);
}
else {
WaitingInfo wi = new WaitingInfo(binID, finishCall);
wi.filename = textureFilename;
wi.type = typ;
m_waiting.Add(binID, wi);
sendRequest = true;
}
}
if (sendRequest) {
// this is here because RequestTexture might immediately call the callback
// and we should be outside the lock
m_log.Log(LogLevel.DTEXTUREDETAIL, "DoTextureLoad: Requesting: " + textureEntityName);
// m_texturePipe.RequestTexture(binID, OMV.ImageType.Normal, 50f, 0, 0, OnACDownloadFinished, false);
// m_comm.GridClient.Assets.RequestImage(binID, OMV.ImageType.Normal, 101300f, 0, 0, OnACDownloadFinished, false);
// m_comm.GridClient.Assets.RequestImage(binID, OMV.ImageType.Normal, 50f, 0, 0, OnACDownloadFinished, false);
ThrottleTextureRequests(binID);
}
}
}
return;
}
