Nebula2探秘04-Time Server研究

Nebula2探秘04-Time Server研究

happykevins文

/****************************************************************************/
/*Nebula2-Tutorial04*/
/*使用TimeServer*/
/*author:happykevins*/
/****************************************************************************/

///----------------------------------------------------------------------------
///+必要头文件
#include"kernel/nkernelserver.h"
#include"kernel/ntimeserver.h"
///-必要头文件
///----------------------------------------------------------------------------

///----------------------------------------------------------------------------
///+链接库
#pragmacomment(lib,"wsock32.lib")
#pragmacomment(lib,"d_nkernel.lib")
///-链接库
///----------------------------------------------------------------------------

///----------------------------------------------------------------------------
///+Application
intmain(intargc,constchar**argv)
{
///创建KernelServer
nKernelServer*ks=n_new(nKernelServer);

///获得TimeServer
nTimeServer*time=(nTimeServer*)ks->Lookup("/sys/servers/time");
doubletotaltime=0;
doubleframetime=0;

///----------------------------------------------------------------------------
///+默认情况
ks->Print("*****StartTimer!***** ");
time->ResetTime();
time->StartTime();
while(totaltime<0.5f)
{
time->Trigger();
frametime=time->GetTime()-totaltime;
totaltime+=frametime;
ks->Print("[FRAME:%f] ",frametime);
}
time->StopTime();
ks->Print("[TOTAL:%f] ",totaltime);
ks->Print("*****StopTimer!***** ");
///+默认情况
///----------------------------------------------------------------------------

///----------------------------------------------------------------------------
///+设置WaitDelta
///@note:
///在WaitDeltaT<0.001时几乎没有什么作用
///在WaitDeltaT>=0.001时每一帧的间隔时间会远远大于0.001
time->WaitDeltaT(0.001f);
ks->Print("[WAIT:%fsec] ",time->GetWaitDeltaT());
ks->Print("*****StartTimer(WaitDeltaT)!***** ");
time->StartTime();
while(totaltime<2.0f)
{
time->Trigger();
frametime=time->GetTime()-totaltime;
totaltime+=frametime;
ks->Print("[FRAME:%f] ",frametime);
}
time->StopTime();
ks->Print("[TOTAL:%f] ",totaltime);
ks->Print("*****StopTimer(WaitDeltaT)!***** ");
///-设置WaitDelta
///----------------------------------------------------------------------------

///----------------------------------------------------------------------------
///+设置LockDelta
///@note:
///LockDeltaT的用途是锁定帧速率
///在LockDeltaT>0时，每一帧将不会按照真实时间来更新
time->LockDeltaT(0.1);
ks->Print("[LOCK:%fsec] ",time->GetLockDeltaT());
ks->Print("*****StartTimer(LockDeltaT)!***** ");
time->StartTime();
while(totaltime<4.0f)
{
time->Trigger();
frametime=time->GetTime()-totaltime;
totaltime+=frametime;
ks->Print("[FRAME:%f] ",frametime);
}
time->StopTime();
ks->Print("[TOTAL:%f] ",totaltime);
ks->Print("*****StopTimer(LockDeltaT)!***** ");
///+设置LockDelta
///----------------------------------------------------------------------------

///销毁KernelServer
n_delete(ks);

getchar();
return0;
}
///-Application
///----------------------------------------------------------------------------