99 lines
2.6 KiB
C++
99 lines
2.6 KiB
C++
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#include "demofile.h"
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#include "demofilebitbuf.h"
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#include "netmessages.h"
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#include <assert.h>
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void ParsePacket(const char* packetBuf, const int numBytes)
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{
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assert(numBytes <= NET_MAX_PAYLOAD);
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CBitRead bitBuf(packetBuf, numBytes);
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while (bitBuf.GetNumBitsLeft() >= NETMSG_TYPE_BITS)
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{
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uint32 typeId = bitBuf.ReadUBitLong(NETMSG_TYPE_BITS);
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printf("%i\n", typeId);
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ProcessNetMsg(typeId, bitBuf);
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}
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}
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void ParseSignonData(const std::string& signonData)
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{
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CBitRead bitbuf(signonData.data(), signonData.length());
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const char cmd = bitbuf.ReadChar();
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assert(cmd == dem_signon);
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const int32 tick = bitbuf.ReadLong();
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bitbuf.SeekRelative(sizeof(democmdinfo_t) * 8);
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const int32 seq1 = bitbuf.ReadLong();
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const int32 seq2 = bitbuf.ReadLong();
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assert(seq1 == seq2);
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const int32 numBytes = bitbuf.ReadLong();
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std::string packet;
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packet.resize(numBytes);
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bitbuf.ReadBytes(&packet[0], numBytes);
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ParsePacket(packet.data(), numBytes);
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}
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int main(const int argc, const char* argv[])
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{
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if (argc < 2)
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{
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return -1;
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}
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CDemoFile demoFile;
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if (!demoFile.Open(argv[2]))
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{
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return -1;
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}
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auto demoHeader = demoFile.GetDemoHeader();
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ParseSignonData(demoFile.GetSignOnData());
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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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char* packetBuf = (char*)malloc(NET_MAX_PAYLOAD);
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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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{
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demoFile.ReadCmdInfo(cmdInfo);
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demoFile.ReadSequenceInfo(sequenceInfo1, sequenceInfo2);
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assert(sequenceInfo1 == sequenceInfo2);
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const int32 length = demoFile.ReadRawData(packetBuf, NET_MAX_PAYLOAD);
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ParsePacket(packetBuf, length);
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}
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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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assert(false);
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break;
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}
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}
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free(packetBuf);
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demoFile.Close();
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return 0;
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}
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