433 lines
12 KiB
C++
433 lines
12 KiB
C++
#include <STDInclude.hpp>
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#include <json.hpp>
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#include "Theatre.hpp"
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#include "UIFeeder.hpp"
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namespace Components
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{
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Theatre::DemoInfo Theatre::CurrentInfo;
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unsigned int Theatre::CurrentSelection;
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std::vector<Theatre::DemoInfo> Theatre::Demos;
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Dvar::Var Theatre::CLAutoRecord;
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Dvar::Var Theatre::CLDemosKeep;
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char Theatre::BaselineSnapshot[131072] = {0};
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int Theatre::BaselineSnapshotMsgLen;
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int Theatre::BaselineSnapshotMsgOff;
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nlohmann::json Theatre::DemoInfo::to_json() const
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{
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return nlohmann::json
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{
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{ "mapname", mapname },
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{ "gametype", gametype },
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{ "author", author },
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{ "length", length },
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{ "timestamp", std::to_string(timeStamp) },
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};
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}
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void Theatre::GamestateWriteStub(Game::msg_t* msg, char byte)
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{
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Game::MSG_WriteLong(msg, 0);
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Game::MSG_WriteByte(msg, byte);
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}
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void Theatre::RecordGamestateStub()
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{
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const auto sequence = (Game::clientConnections->serverMessageSequence - 1);
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Game::FS_WriteToDemo(&sequence, 4, Game::clientConnections->demofile);
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}
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void Theatre::StoreBaseline(PBYTE snapshotMsg)
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{
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// Store offset and length
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BaselineSnapshotMsgLen = *reinterpret_cast<int*>(snapshotMsg + 20);
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BaselineSnapshotMsgOff = *reinterpret_cast<int*>(snapshotMsg + 28) - 7;
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// Copy to our snapshot buffer
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std::memcpy(BaselineSnapshot, *reinterpret_cast<DWORD**>(snapshotMsg + 8), *reinterpret_cast<DWORD*>(snapshotMsg + 20));
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}
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__declspec(naked) void Theatre::BaselineStoreStub()
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{
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_asm
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{
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push edi
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call StoreBaseline
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pop edi
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mov edx, 5ABEF5h
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jmp edx
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}
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}
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void Theatre::WriteBaseline()
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{
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static unsigned char bufData[131072];
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static unsigned char cmpData[131072];
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Game::msg_t buf;
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Game::MSG_Init(&buf, bufData, sizeof(bufData));
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Game::MSG_WriteData(&buf, &BaselineSnapshot[BaselineSnapshotMsgOff], BaselineSnapshotMsgLen - BaselineSnapshotMsgOff);
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Game::MSG_WriteByte(&buf, 6);
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const auto compressedSize = Game::MSG_WriteBitsCompress(false, buf.data, cmpData, buf.cursize);
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const auto fileCompressedSize = compressedSize + 4;
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int byte8 = 8;
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unsigned char byte0 = 0;
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Game::FS_WriteToDemo(&byte0, sizeof(unsigned char), Game::clientConnections->demofile);
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Game::FS_WriteToDemo(&Game::clientConnections->serverMessageSequence, sizeof(int), Game::clientConnections->demofile);
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Game::FS_WriteToDemo(&fileCompressedSize, sizeof(int), Game::clientConnections->demofile);
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Game::FS_WriteToDemo(&byte8, sizeof(int), Game::clientConnections->demofile);
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for (auto i = 0; i < compressedSize; i += 1024)
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{
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const auto size = std::min(compressedSize - i, 1024);
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if (i + size >= sizeof(cmpData))
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{
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Logger::PrintError(Game::CON_CHANNEL_ERROR, "Writing compressed demo baseline exceeded buffer\n");
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break;
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}
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Game::FS_WriteToDemo(&cmpData[i], size, Game::clientConnections->demofile);
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}
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}
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__declspec(naked) void Theatre::BaselineToFileStub()
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{
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__asm
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{
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pushad
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call WriteBaseline
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popad
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// Restore overwritten operation
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mov ecx, 0A5E9C4h
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mov [ecx], 0
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// Return to original code
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push 5A863Ah
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retn
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}
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}
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__declspec(naked) void Theatre::AdjustTimeDeltaStub()
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{
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__asm
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{
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mov eax, 0xA5EA0C // clientConnections.demoplaying
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mov eax, [eax]
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test al, al
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jz continue
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// delta doesn't drift for demos
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retn
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continue:
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push 5A1AD0h
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retn
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}
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}
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__declspec(naked) void Theatre::ServerTimedOutStub()
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{
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__asm
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{
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mov eax, 0xA5EA0C // clientConnections.demoplaying
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mov eax, [eax]
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test al, al
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jz continue
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mov eax, 5A8E70h
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jmp eax
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continue:
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mov eax, 0B2BB90h
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push 5A8E08h
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retn
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}
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}
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__declspec(naked) void Theatre::UISetActiveMenuStub()
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{
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__asm
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{
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mov eax, 0xA5EA0C // clientConnections.demoplaying
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mov eax, [eax]
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test al, al
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jz continue
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mov eax, 4CB49Ch
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jmp eax
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continue:
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mov ecx, [esp + 10h]
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push 10h
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push ecx
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push 4CB3F6h
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retn
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}
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}
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void Theatre::CG_CompassDrawPlayerMapLocationSelector_Stub(const int localClientNum, Game::CompassType compassType, const Game::rectDef_s* parentRect, const Game::rectDef_s* rect, Game::Material* material, float* color)
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{
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if (!Game::clientConnections->demoplaying)
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{
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Utils::Hook::Call<void(int, Game::CompassType, const Game::rectDef_s*, const Game::rectDef_s*, Game::Material*, float*)>(0x45BD60)(localClientNum, compassType, parentRect, rect, material, color);
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}
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}
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void Theatre::CL_WriteDemoClientArchive_Hk(void(*write)(const void* buffer, int len, int localClientNum), const Game::playerState_s* ps, const float* viewangles, [[maybe_unused]] const float* selectedLocation, [[maybe_unused]] const float selectedLocationAngle, int localClientNum, int index)
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{
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assert(write);
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assert(ps);
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const unsigned char msgType = 1;
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(write)(&msgType, sizeof(unsigned char), localClientNum);
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(write)(&index, sizeof(int), localClientNum);
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(write)(ps->origin, sizeof(float[3]), localClientNum);
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(write)(ps->velocity, sizeof(float[3]), localClientNum);
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(write)(&ps->movementDir, sizeof(int), localClientNum);
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(write)(&ps->bobCycle, sizeof(int), localClientNum);
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(write)(ps, sizeof(Game::playerState_s*), localClientNum);
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(write)(viewangles, sizeof(float[3]), localClientNum);
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// Disable locationSelectionInfo
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const auto locationSelectionInfo = 0;
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(write)(&locationSelectionInfo, sizeof(int), localClientNum);
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}
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void Theatre::RecordStub(int channel, char* message, char* file)
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{
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Game::Com_Printf(channel, message, file);
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CurrentInfo.name = file;
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CurrentInfo.mapname = (*Game::sv_mapname)->current.string;
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CurrentInfo.gametype = (*Game::sv_gametype)->current.string;
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CurrentInfo.author = Steam::SteamFriends()->GetPersonaName();
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CurrentInfo.length = Game::Sys_Milliseconds();
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std::time(&CurrentInfo.timeStamp);
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}
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void Theatre::StopRecordStub(int channel, char* message)
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{
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Game::Com_Printf(channel, message);
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// Store correct length
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CurrentInfo.length = Game::Sys_Milliseconds() - CurrentInfo.length;
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// Write metadata
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FileSystem::FileWriter meta(std::format("{}.json", CurrentInfo.name));
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meta.write(nlohmann::json(CurrentInfo.to_json()).dump());
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}
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void Theatre::LoadDemos([[maybe_unused]] const UIScript::Token& token, [[maybe_unused]] const Game::uiInfo_s* info)
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{
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CurrentSelection = 0;
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Demos.clear();
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const auto demos = FileSystem::GetFileList("demos/", "dm_13");
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for (auto demo : demos)
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{
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if (FileSystem::File meta = std::format("demos/{}.json", demo))
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{
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nlohmann::json metaObject;
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try
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{
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metaObject = nlohmann::json::parse(meta.getBuffer());
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DemoInfo demoInfo;
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demoInfo.name = demo.substr(0, demo.find_last_of("."));
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demoInfo.author = metaObject["author"].get<std::string>();
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demoInfo.gametype = metaObject["gametype"].get<std::string>();
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demoInfo.mapname = metaObject["mapname"].get<std::string>();
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demoInfo.length = metaObject["length"].get<int>();
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auto timestamp = metaObject["timestamp"].get<std::string>();
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demoInfo.timeStamp = std::strtoll(timestamp.data(), nullptr, 10);
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Demos.push_back(demoInfo);
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}
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catch (const nlohmann::json::parse_error& ex)
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{
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Logger::PrintError(Game::CON_CHANNEL_ERROR, "Json Parse Error: {}\n", ex.what());
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}
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}
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}
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// Reverse, latest demo first!
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std::ranges::reverse(Demos);
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}
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void Theatre::DeleteDemo([[maybe_unused]] const UIScript::Token& token, [[maybe_unused]] const Game::uiInfo_s* info)
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{
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if (CurrentSelection < Demos.size())
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{
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auto demoInfo = Demos.at(CurrentSelection);
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Logger::Print("Deleting demo {}...\n", demoInfo.name);
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FileSystem::_DeleteFile("demos", demoInfo.name + ".dm_13");
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FileSystem::_DeleteFile("demos", demoInfo.name + ".dm_13.json");
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// Reset our ui_demo_* dvars here, because the theater menu needs it.
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Dvar::Var("ui_demo_mapname").set("");
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Dvar::Var("ui_demo_mapname_localized").set("");
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Dvar::Var("ui_demo_gametype").set("");
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Dvar::Var("ui_demo_length").set("");
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Dvar::Var("ui_demo_author").set("");
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Dvar::Var("ui_demo_date").set("");
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// Reload demos
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LoadDemos(UIScript::Token(), info);
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}
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}
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void Theatre::PlayDemo([[maybe_unused]] const UIScript::Token& token, [[maybe_unused]] const Game::uiInfo_s* info)
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{
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if (CurrentSelection < Demos.size())
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{
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Command::Execute(std::format("demo {}", Demos[CurrentSelection].name), true);
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Command::Execute("demoback", false);
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}
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}
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unsigned int Theatre::GetDemoCount()
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{
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return Demos.size();
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}
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// Omit column here
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const char* Theatre::GetDemoText(unsigned int item, int /*column*/)
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{
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if (item < Demos.size())
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{
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auto info = Demos.at(item);
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return Utils::String::VA("%s on %s", Game::UI_LocalizeGameType(info.gametype.data()), Game::UI_LocalizeMapName(info.mapname.data()));
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}
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return "";
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}
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void Theatre::SelectDemo(unsigned int index)
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{
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if (index < Demos.size())
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{
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CurrentSelection = index;
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auto info = Demos.at(index);
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tm time;
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char buffer[1000] = {0};
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localtime_s(&time, &info.timeStamp);
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asctime_s(buffer, sizeof buffer, &time);
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Dvar::Var("ui_demo_mapname").set(info.mapname);
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Dvar::Var("ui_demo_mapname_localized").set(Game::UI_LocalizeMapName(info.mapname.data()));
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Dvar::Var("ui_demo_gametype").set(Game::UI_LocalizeGameType(info.gametype.data()));
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Dvar::Var("ui_demo_length").set(Utils::String::FormatTimeSpan(info.length));
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Dvar::Var("ui_demo_author").set(info.author);
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Dvar::Var("ui_demo_date").set(buffer);
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}
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}
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int Theatre::CL_FirstSnapshot_Stub()
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{
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if (CLAutoRecord.get<bool>() && !Game::clientConnections->demoplaying)
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{
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std::vector<std::string> files;
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auto demos = FileSystem::GetFileList("demos/", "dm_13");
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for (auto& demo : demos)
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{
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if (Utils::String::StartsWith(demo, "auto_"))
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{
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files.push_back(demo);
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}
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}
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auto numDel = static_cast<int>(files.size()) - CLDemosKeep.get<int>();
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for (auto i = 0; i < numDel; ++i)
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{
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Logger::Print("Deleting old demo {}\n", files[i]);
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FileSystem::_DeleteFile("demos", files[i]);
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FileSystem::_DeleteFile("demos", std::format("%s.json", files[i]));
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}
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Command::Execute(Utils::String::VA("record auto_%lld", std::time(nullptr)), true);
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}
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return Utils::Hook::Call<int()>(0x42BBB0)(); // DB_GetLoadedFlags
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}
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void Theatre::SV_SpawnServer_Stub()
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{
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StopRecording();
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Utils::Hook::Call<void()>(0x464A60)(); // Com_SyncThreads
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}
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void Theatre::StopRecording()
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{
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if (Game::clientConnections->demorecording)
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{
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Command::Execute("stoprecord", true);
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}
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}
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Theatre::Theatre()
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{
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AssertOffset(Game::clientConnection_t, demorecording, 0x40190);
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AssertOffset(Game::clientConnection_t, demoplaying, 0x40194);
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AssertOffset(Game::clientConnection_t, demofile, 0x401A4);
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AssertOffset(Game::clientConnection_t, serverMessageSequence, 0x2013C);
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CLAutoRecord = Dvar::Register<bool>("cl_autoRecord", true, Game::DVAR_ARCHIVE, "Automatically record games");
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CLDemosKeep = Dvar::Register<int>("cl_demosKeep", 30, 1, 999, Game::DVAR_ARCHIVE, "How many demos to keep with autorecord");
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Utils::Hook(0x5A8370, GamestateWriteStub, HOOK_CALL).install()->quick();
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Utils::Hook(0x5A85D2, RecordGamestateStub, HOOK_CALL).install()->quick();
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Utils::Hook(0x5ABE36, BaselineStoreStub, HOOK_JUMP).install()->quick();
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Utils::Hook(0x5A8630, BaselineToFileStub, HOOK_JUMP).install()->quick();
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Utils::Hook(0x4CB3EF, UISetActiveMenuStub, HOOK_JUMP).install()->quick();
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Utils::Hook(0x50320E, AdjustTimeDeltaStub, HOOK_CALL).install()->quick();
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Utils::Hook(0x5A8E03, ServerTimedOutStub, HOOK_JUMP).install()->quick();
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// Fix issue with locationSelectionInfo by disabling it
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Utils::Hook(0x5AC20F, CL_WriteDemoClientArchive_Hk, HOOK_CALL).install()->quick();
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Utils::Hook(0x4964A6, CG_CompassDrawPlayerMapLocationSelector_Stub, HOOK_CALL).install()->quick();
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// Hook commands to enforce metadata generation
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Utils::Hook(0x5A82AE, RecordStub, HOOK_CALL).install()->quick();
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Utils::Hook(0x5A8156, StopRecordStub, HOOK_CALL).install()->quick();
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// Autorecording
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Utils::Hook(0x5A1D6A, CL_FirstSnapshot_Stub, HOOK_CALL).install()->quick();
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Utils::Hook(0x4A712A, SV_SpawnServer_Stub, HOOK_CALL).install()->quick();
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// UIScripts
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UIScript::Add("loadDemos", LoadDemos);
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UIScript::Add("launchDemo", PlayDemo);
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UIScript::Add("deleteDemo", DeleteDemo);
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// Feeder
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UIFeeder::Add(10.0f, GetDemoCount, GetDemoText, SelectDemo);
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// Set the configstrings stuff to load the default (empty) string table; this should allow demo recording on all gametypes/maps
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if (!Dedicated::IsEnabled()) Utils::Hook::Set<const char*>(0x47440B, "mp/defaultStringTable.csv");
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// Change font size
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Utils::Hook::Set<std::uint8_t>(0x5AC854, 2);
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Utils::Hook::Set<std::uint8_t>(0x5AC85A, 2);
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}
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}
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