Added packet parsing logic and assertions for frame and tick count
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5e43ccfa06
commit
9bb4aa46e8
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@ -1,6 +1,7 @@
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#include "demofile.h"
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#include <assert.h>
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#include <memory>
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int main(const int argc, const char* argv[])
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{
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@ -19,9 +20,38 @@ int main(const int argc, const char* argv[])
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unsigned char cmd;
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int32 tick;
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int32 sequenceInfo1;
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int32 sequenceInfo2;
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democmdinfo_t cmdInfo;
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std::string packetBuf;
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demoFile.ReadCmdHeader(cmd, tick);
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assert(cmd == dem_synctick && tick == 0);
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const int numFrames = demoHeader->playback_frames;
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const int numTicks = demoHeader->playback_ticks;
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for (int i = 0; i <= numFrames; ++i)
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{
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demoFile.ReadCmdHeader(cmd, tick);
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printf("tick: %i\n", tick);
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switch (cmd)
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{
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case dem_packet:
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demoFile.ReadCmdInfo(cmdInfo);
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demoFile.ReadSequenceInfo(sequenceInfo1, sequenceInfo2);
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demoFile.ReadRawData(packetBuf);
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break;
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case dem_stop:
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assert(i == numFrames && tick == numTicks);
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break;
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case dem_synctick:
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case dem_consolecmd:
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case dem_usercmd:
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case dem_datatables:
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default:
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break;
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}
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}
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demoFile.Close();
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@ -124,6 +124,32 @@ int32 CDemoFile::ReadRawData( char *buffer, int32 length )
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return size;
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}
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bool CDemoFile::ReadRawData(std::string& buf)
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{
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if (!m_fileBuffer.size())
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{
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return false;
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}
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// read length of data block
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int32 size = *(int32 *)(&m_fileBuffer[m_fileBufferPos]);
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m_fileBufferPos += sizeof(int32);
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if (size < 0)
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{
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fprintf(stderr, "CDemoFile::ReadRawData: invalid size (%i).\n", size);
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return false;
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}
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buf.resize(size);
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// read data into buffer
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memcpy(&buf[0], &m_fileBuffer[m_fileBufferPos], size);
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m_fileBufferPos += size;
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return true;
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}
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bool CDemoFile::Open( const char *name )
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{
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Close();
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@ -229,6 +229,8 @@ public:
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int32 ReadRawData( char *buffer, int32 length );
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bool ReadRawData(std::string& buf);
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void ReadSequenceInfo( int32 &nSeqNrIn, int32 &nSeqNrOutAck );
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void ReadCmdInfo( democmdinfo_t& info );
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