Revision 3220,
1.2 KB
checked in by mattausch, 16 years ago
(diff) |
worked on video replay function
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1 | #include "WalkThroughRecorder.h"
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2 | #include "Camera.h"
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3 | #include "Vector3.h"
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4 | #include <sstream>
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5 |
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6 | using namespace std;
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7 |
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8 |
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9 | namespace CHCDemoEngine
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10 | {
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11 |
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12 |
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13 | WalkThroughRecorder::WalkThroughRecorder(const std::string &filename):
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14 | mFile(filename.c_str())
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15 | {
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16 | }
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17 |
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18 |
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19 | WalkThroughRecorder::~WalkThroughRecorder()
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20 | {
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21 | mFile.close();
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22 | }
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23 |
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24 |
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25 | void WalkThroughRecorder::WriteFrame(Camera *cam)
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26 | {
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27 | FrameInfo info(cam->GetPosition(), cam->GetDirection());
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28 | mFile << info << endl;
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29 | }
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30 |
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31 |
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32 | WalkThroughPlayer::WalkThroughPlayer(const std::string &filename):
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33 | mFrame(0)
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34 | {
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35 | ifstream file(filename.c_str());
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36 |
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37 | if (file.is_open())
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38 | {
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39 | FrameInfo info;
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40 | int i=0;
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41 |
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42 | std::string token;
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43 |
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44 | while(std::getline(file, token))
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45 | {
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46 | std::stringstream line(token);
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47 |
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48 | line >> info;
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49 | mFrameInfos.push_back(info);
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50 | }
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51 | }
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52 | else
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53 | {
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54 | cerr << "problem: cannot open file " << filename << endl;
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55 | }
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56 |
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57 | file.close();
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58 | }
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59 |
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60 |
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61 | bool WalkThroughPlayer::ReadNextFrame(Camera *cam)
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62 | {
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63 | if (mFrameInfos.empty())
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64 | return false;
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65 |
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66 | cam->SetDirection(mFrameInfos[mFrame].mDirection);
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67 | cam->SetPosition(mFrameInfos[mFrame].mPosition);
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68 |
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69 | mFrame = (mFrame + 1) % (int)mFrameInfos.size();
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70 |
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71 | return mFrame != 0;
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72 | }
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73 |
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74 |
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75 | } |
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