source: GTP/trunk/App/Demos/Vis/FriendlyCulling/src/WalkThroughRecorder.cpp @ 3219

#include "WalkThroughRecorder.h"
#include "Camera.h"
#include "Vector3.h"
#include <sstream>

using namespace std;


namespace CHCDemoEngine
{


WalkThroughRecorder::WalkThroughRecorder(const std::string &filename):
mFile(filename.c_str())
{
}


void WalkThroughRecorder::WriteFrame(Camera *cam)
{
        FrameInfo info(cam->GetPosition(), cam->GetDirection());
        mFile << info << endl;
}


WalkThroughPlayer::WalkThroughPlayer(const std::string &filename):
mFrame(0)
{
        ifstream file(filename.c_str());
        FrameInfo info;
        int i=0;

        std::string token;

        while(std::getline(file, token)) 
        {
                std::stringstream line(token);

                line >> info;
                mFrameInfos.push_back(info);
        }
}


bool WalkThroughPlayer::ReadNextFrame(Camera *cam)
{
        cam->SetDirection(mFrameInfos[mFrame].mDirection);
        cam->SetPosition(mFrameInfos[mFrame].mPosition);

        mFrame = (mFrame + 1) % (int)mFrameInfos.size();

        return mFrame != 0;
}


}