add support for split demo files (UNLOZE)

demboyz/demboyz.cpp

@@ -8,13 +8,19 @@
 
 int main(const int argc, const char* argv[])
 {
-    if (argc != 2)
+    if (argc < 2)
     {
-        fprintf(stderr, "Usage: %s <in>.dem\n", argv[0]);
+        fprintf(stderr, "Usage: %s <in>.dem [in2.dem] ...\n", argv[0]);
         return -1;
     }
 
-    std::filesystem::path inputFile(argv[1]);
+    DemoReader::Init();
+    SourceGameContext *context = nullptr;
+
+    bool error = false;
+    for (int i = 1; i < argc; i++)
+    {
+        std::filesystem::path inputFile(argv[i]);
         FILE* inputFp = fopen(inputFile.c_str(), "rb");
         if (!inputFp)
         {
@@ -22,18 +28,29 @@ int main(const int argc, const char* argv[])
             return -1;
         }
 
-    std::filesystem::path outputDir = inputFile.filename().replace_extension();
+        static std::filesystem::path outputDir = inputFile.filename().replace_extension();
-    std::filesystem::path outputDirVoice = outputDir.string() + "/voice";
+        static std::filesystem::path outputDirVoice = outputDir.string() + "/voice";
+        if (i == 1)
+        {
             std::filesystem::create_directory(outputDir);
             std::filesystem::create_directory(outputDirVoice);
 
-    SourceGameContext context = SourceGameContext(outputDir, outputDirVoice);
+            context = new SourceGameContext(outputDir, outputDirVoice);
-    if (!context.init())
+            if(!context->init())
                 return -1;
+        }
 
-    bool error = !DemoReader::ProcessDem(inputFp, &context);
+        bool dirty = DemoReader::ProcessDem(inputFp, context);
+        if(dirty)
+            error = true;
 
         fclose(inputFp);
+    }
+
+    context->End();
+    delete context;
+
+    DemoReader::DeInit();
 
     return error;
 }

demboyz/game/logic.cpp

@@ -25,6 +25,15 @@ Logic::~Logic()
 
 void Logic::Start()
 {
+    tickBase = curTick;
+    if(curTick)
+    {
+        data["demoheader"]["playback_time"] = data["demoheader"]["playback_time"].get<float>() + context->header.playback_time;
+        data["demoheader"]["playback_ticks"] = data["demoheader"]["playback_ticks"].get<int32_t>() + context->header.playback_ticks;
+        data["demoheader"]["playback_frames"] = data["demoheader"]["playback_frames"].get<int32_t>() + context->header.playback_frames;
+    }
+    else
+    {
         data["demoheader"] = json({
             {"demofilestamp", context->header.demofilestamp},
             {"demoprotocol", context->header.demoprotocol},
@@ -38,8 +47,9 @@ void Logic::Start()
             {"playback_frames", context->header.playback_frames},
             {"signonlength", context->header.signonlength}
         });
+    }
 
-    // std::cout << data.dump(2, ' ', false, json::error_handler_t::replace) << "\n";
+    // std::cout << data["demoheader"].dump(2, ' ', false, json::error_handler_t::replace) << "\n";
 }
 
 void Logic::Finish(bool dirty)
@@ -59,9 +69,12 @@ void Logic::Finish(bool dirty)
     {
         data["demoheader"]["playback_ticks"] = curTick;
         data["demoheader"]["playback_time"] = curTick * context->fTickInterval;
-        data["demoheader"]["playback_frames"] = context->curFrame;
+        data["demoheader"]["playback_frames"] = data["demoheader"]["playback_frames"].get<int32_t>() - context->header.playback_frames + context->curFrame;
     }
+}
 
+void Logic::End()
+{
     data["voice"]["total_time"] = voiceTotalTime;
     data["voice"]["active_time"] = voiceActiveTime;
 

demboyz/game/logic.h

@@ -18,6 +18,7 @@ struct Logic
 
     void Start();
     void Finish(bool dirty);
+    void End();
 
     struct
     {
@@ -41,6 +42,7 @@ struct Logic
     void OnRoundStart(int timelimit);
     void OnRoundEnd(const char *message, int reason, int winner);
 
+    int32_t tickBase = 0;
     int32_t curTick = 0;
     float voiceTotalTime = 0.0f;
     float voiceActiveTime = 0.0f;

demboyz/game/sourcecontext.cpp

@@ -52,6 +52,9 @@ bool SourceGameContext::init()
     }
 
     voiceWriter = new VoiceDataWriter(this, outputDirVoice.c_str());
+    if(!voiceWriter->init())
+        return false;
+
     logic = new Logic(this);
     return true;
 }
@@ -64,8 +67,20 @@ void SourceGameContext::Start()
 
 void SourceGameContext::Finish(bool dirty)
 {
-    voiceWriter->Finish();
     logic->Finish(dirty);
+    voiceWriter->Finish();
+
+    for(int i = 0; i < MAX_PLAYERS; i++)
+        players[i].connected = false;
+
+    curTick = -1;
+    curFrame = -1;
+}
+
+void SourceGameContext::End()
+{
+    logic->End();
+    voiceWriter->End();
 }
 
 void SourceGameContext::StartCommandPacket(const CommandPacket& packet)
@@ -76,7 +91,7 @@ void SourceGameContext::StartCommandPacket(const CommandPacket& packet)
         return;
 
     curTick = packet.tick;
-    logic->curTick = curTick;
+    logic->curTick = logic->tickBase + curTick;
 
     voiceWriter->StartCommandPacket(packet);
 }

demboyz/game/sourcecontext.h

@@ -75,6 +75,7 @@ struct SourceGameContext
 
     void Start();
     void Finish(bool dirty);
+    void End();
 
     void StartCommandPacket(const CommandPacket& packet);
     void EndCommandPacket(const PacketTrailingBits& trailingBits);

demboyz/io/demoreader.cpp

@@ -10,6 +10,9 @@
 #include "sourcesdk/bitbuf.h"
 #include <cstdint>
 
+static NetHandlers::NetDataStructArray s_netDataStructs;
+static DemHandlers::DemDataStructArray s_demDataStructs;
+
 PacketTrailingBits ParsePacket(uint8_t* packet, size_t length,
                                SourceGameContext& context,
                                const NetHandlers::NetDataStructArray& netDataStructs)
@@ -38,13 +41,20 @@ PacketTrailingBits ParsePacket(uint8_t* packet, size_t length,
     return trailingBits;
 }
 
+void DemoReader::Init()
+{
+    NetHandlers::CreateNetMsgStructs(s_netDataStructs);
+    DemHandlers::CreateDemMsgStructs(s_demDataStructs);
+}
+
+void DemoReader::DeInit()
+{
+    DemHandlers::DestroyDemMsgStructs(s_demDataStructs);
+    NetHandlers::DestroyNetMsgStructs(s_netDataStructs);
+}
+
 bool DemoReader::ProcessDem(std::FILE* inputFp, SourceGameContext* context)
 {
-    NetHandlers::NetDataStructArray netDataStructs;
-    DemHandlers::DemDataStructArray demDataStructs;
-    NetHandlers::CreateNetMsgStructs(netDataStructs);
-    DemHandlers::CreateDemMsgStructs(demDataStructs);
-
     DemoFileReader reader(inputFp);
     {
         reader.ReadDemoHeader(context->header);
@@ -59,7 +69,7 @@ bool DemoReader::ProcessDem(std::FILE* inputFp, SourceGameContext* context)
         do
         {
             reader.ReadCmdHeader(packet.cmd, packet.tick);
-            packet.data = demDataStructs[packet.cmd];
+            packet.data = s_demDataStructs[packet.cmd];
             DemHandlers::DemMsg_FileRead(packet.cmd, reader, packet.data);
 
             PacketTrailingBits trailingBits = PacketTrailingBits();
@@ -68,7 +78,7 @@ bool DemoReader::ProcessDem(std::FILE* inputFp, SourceGameContext* context)
             if (packet.cmd == dem_packet || packet.cmd == dem_signon)
             {
                 Array<uint8_t> buffer = reader.ReadRawData(NET_MAX_PAYLOAD);
-                trailingBits = ParsePacket(buffer.begin(), buffer.length(), *context, netDataStructs);
+                trailingBits = ParsePacket(buffer.begin(), buffer.length(), *context, s_netDataStructs);
             }
 
             else if (packet.cmd == dem_stringtables)
@@ -100,8 +110,5 @@ bool DemoReader::ProcessDem(std::FILE* inputFp, SourceGameContext* context)
 
     context->Finish(dirty);
 
-    DemHandlers::DestroyDemMsgStructs(demDataStructs);
+    return dirty;
-    NetHandlers::DestroyNetMsgStructs(netDataStructs);
-
-    return !dirty;
 }

demboyz/io/demoreader.h

@@ -5,5 +5,7 @@
 
 namespace DemoReader
 {
+    void Init();
+    void DeInit();
     bool ProcessDem(std::FILE* inputFp, SourceGameContext* context);
 }

demboyz/io/voicewriter/voicedatawriter.cpp

@@ -138,16 +138,26 @@ VoiceDataWriter::VoiceDataWriter(SourceGameContext* context, const char* outputP
 {
 }
 
-void VoiceDataWriter::Start()
+bool VoiceDataWriter::init()
 {
     int error = CELT_OK;
     const CeltConfig& config = sCeltConfigs[sQuality];
     m_celtMode = celt_mode_create(config.sampleRate, config.frameSizeSamples, &error);
     assert(error == CELT_OK);
     assert(m_celtMode);
+    return error == CELT_OK;
+}
+
+void VoiceDataWriter::Start()
+{
+    m_tickBase = m_curTick;
 }
 
 void VoiceDataWriter::Finish()
+{
+}
+
+void VoiceDataWriter::End()
 {
     if(m_isSilenced)
     {
@@ -175,7 +185,7 @@ void VoiceDataWriter::Finish()
 void VoiceDataWriter::StartCommandPacket(const CommandPacket& packet)
 {
     m_lastTick = m_curTick;
-    m_curTick = packet.tick;
+    m_curTick = m_tickBase + packet.tick;
 }
 
 void VoiceDataWriter::EndCommandPacket(const PacketTrailingBits& trailingBits)
@@ -184,8 +194,8 @@ void VoiceDataWriter::EndCommandPacket(const PacketTrailingBits& trailingBits)
     if (m_curTick <= tickMargin)
         return;
 
-    // Skip silence if noone talks for at least 3 seconds
+    // Skip silence if noone talks for at least 1.5 seconds
-    if((m_curTick - m_lastVoiceTick) / context->fTickRate > 3.0)
+    if((m_curTick - m_lastVoiceTick) / context->fTickRate > 1.5)
     {
         if(!m_isSilenced)
         {

demboyz/io/voicewriter/voicedatawriter.h

@@ -54,9 +54,11 @@ class VoiceDataWriter
 {
 public:
     VoiceDataWriter(SourceGameContext *context, const char* outputPath);
+    bool init();
 
     void Start();
     void Finish();
+    void End();
 
     void StartCommandPacket(const CommandPacket& packet);
     void EndCommandPacket(const PacketTrailingBits& trailingBits);
@@ -95,6 +97,7 @@ private:
     eCodec m_Codec = CODEC_NONE;
 
 public:
+    int32_t m_tickBase = 0;
     bool m_isSilenced = false;
     std::vector<std::pair<int32_t, int32_t>> m_silence;
 };