mirror of https://github.com/OpenRCT2/OpenRCT2.git
882 lines
29 KiB
C++
882 lines
29 KiB
C++
/*****************************************************************************
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* Copyright (c) 2014-2022 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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#include "ReplayManager.h"
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#include "Context.h"
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#include "Game.h"
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#include "GameStateSnapshots.h"
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#include "OpenRCT2.h"
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#include "ParkImporter.h"
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#include "PlatformEnvironment.h"
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#include "actions/FootpathPlaceAction.h"
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#include "actions/GameAction.h"
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#include "actions/RideEntranceExitPlaceAction.h"
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#include "actions/RideSetSettingAction.h"
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#include "actions/SetCheatAction.h"
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#include "actions/TileModifyAction.h"
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#include "actions/TrackPlaceAction.h"
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#include "config/Config.h"
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#include "core/DataSerialiser.h"
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#include "core/Path.hpp"
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#include "entity/EntityRegistry.h"
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#include "entity/EntityTweener.h"
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#include "management/NewsItem.h"
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#include "object/ObjectManager.h"
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#include "object/ObjectRepository.h"
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#include "park/ParkFile.h"
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#include "scenario/Scenario.h"
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#include "world/Park.h"
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#include "zlib.h"
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#include <chrono>
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#include <memory>
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#include <vector>
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namespace OpenRCT2
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{
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struct ReplayCommand
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{
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uint32_t tick = 0;
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GameAction::Ptr action;
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uint32_t commandIndex = 0;
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ReplayCommand() = default;
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ReplayCommand(uint32_t t, std::unique_ptr<GameAction>&& ga, uint32_t id)
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: tick(t)
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, action(std::move(ga))
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, commandIndex(id)
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{
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}
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bool operator<(const ReplayCommand& comp) const
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{
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// First sort by tick
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if (tick < comp.tick)
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return true;
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if (tick > comp.tick)
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return false;
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// If the ticks are equal sort by commandIndex
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return commandIndex < comp.commandIndex;
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}
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};
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struct ReplayRecordFile
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{
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uint32_t magic;
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uint16_t version;
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uint64_t uncompressedSize;
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OpenRCT2::MemoryStream data;
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};
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struct ReplayRecordData
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{
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uint32_t magic;
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uint16_t version;
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std::string networkId;
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OpenRCT2::MemoryStream parkData;
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OpenRCT2::MemoryStream parkParams;
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OpenRCT2::MemoryStream cheatData;
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std::string name; // Name of play
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std::string filePath; // File path of replay.
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uint64_t timeRecorded; // Posix Time.
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uint32_t tickStart; // First tick of replay.
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uint32_t tickEnd; // Last tick of replay.
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std::multiset<ReplayCommand> commands;
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std::vector<std::pair<uint32_t, EntitiesChecksum>> checksums;
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uint32_t checksumIndex;
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OpenRCT2::MemoryStream gameStateSnapshots;
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};
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class ReplayManager final : public IReplayManager
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{
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static constexpr uint16_t ReplayVersion = 10;
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static constexpr uint32_t ReplayMagic = 0x5243524F; // ORCR.
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static constexpr int ReplayCompressionLevel = 9;
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static constexpr int NormalRecordingChecksumTicks = 1;
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static constexpr int SilentRecordingChecksumTicks = 40; // Same as network server
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enum class ReplayMode
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{
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NONE = 0,
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RECORDING,
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PLAYING,
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NORMALISATION,
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};
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public:
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virtual ~ReplayManager()
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{
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}
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virtual bool IsReplaying() const override
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{
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return _mode == ReplayMode::PLAYING;
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}
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virtual bool IsRecording() const override
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{
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return _mode == ReplayMode::RECORDING;
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}
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virtual bool IsNormalising() const override
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{
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return _mode == ReplayMode::NORMALISATION;
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}
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virtual bool ShouldDisplayNotice() const override
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{
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return IsRecording() && _recordType == RecordType::NORMAL;
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}
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virtual void AddGameAction(uint32_t tick, const GameAction* action) override
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{
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if (_currentRecording == nullptr)
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return;
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auto ga = GameActions::Clone(action);
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_currentRecording->commands.emplace(gCurrentTicks, std::move(ga), _commandId++);
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}
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void AddChecksum(uint32_t tick, EntitiesChecksum&& checksum)
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{
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_currentRecording->checksums.emplace_back(std::make_pair(tick, std::move(checksum)));
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}
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// Function runs each Tick.
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virtual void Update() override
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{
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if (_mode == ReplayMode::NONE)
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return;
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if ((_mode == ReplayMode::RECORDING || _mode == ReplayMode::NORMALISATION) && gCurrentTicks == _nextChecksumTick)
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{
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EntitiesChecksum checksum = GetAllEntitiesChecksum();
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AddChecksum(gCurrentTicks, std::move(checksum));
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_nextChecksumTick = gCurrentTicks + ChecksumTicksDelta();
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}
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if (_mode == ReplayMode::RECORDING)
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{
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if (gCurrentTicks >= _currentRecording->tickEnd)
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{
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StopRecording();
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return;
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}
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}
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else if (_mode == ReplayMode::PLAYING)
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{
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#ifndef DISABLE_NETWORK
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// If the network is disabled we will only get a dummy hash which will cause
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// false positives during replay.
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CheckState();
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#endif
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ReplayCommands();
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// Normal playback will always end at the specific tick.
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if (gCurrentTicks >= _currentReplay->tickEnd)
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{
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StopPlayback();
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return;
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}
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}
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else if (_mode == ReplayMode::NORMALISATION)
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{
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ReplayCommands();
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// If we run out of commands we can just stop
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if (_currentReplay->commands.empty())
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{
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StopPlayback();
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StopRecording();
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// Reset mode, in normalisation nothing will set it.
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_mode = ReplayMode::NONE;
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return;
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}
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}
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}
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void TakeGameStateSnapshot(MemoryStream& snapshotStream)
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{
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IGameStateSnapshots* snapshots = GetContext()->GetGameStateSnapshots();
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auto& snapshot = snapshots->CreateSnapshot();
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snapshots->Capture(snapshot);
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snapshots->LinkSnapshot(snapshot, gCurrentTicks, scenario_rand_state().s0);
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DataSerialiser snapShotDs(true, snapshotStream);
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snapshots->SerialiseSnapshot(snapshot, snapShotDs);
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}
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virtual bool StartRecording(
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const std::string& name, uint32_t maxTicks /*= k_MaxReplayTicks*/, RecordType rt /*= RecordType::NORMAL*/) override
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{
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// If using silent recording, discard whatever recording there is going on, even if a new silent recording is to be
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// started.
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if (_mode == ReplayMode::RECORDING && _recordType == RecordType::SILENT)
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StopRecording(true);
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if (_mode != ReplayMode::NONE && _mode != ReplayMode::NORMALISATION)
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return false;
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auto replayData = std::make_unique<ReplayRecordData>();
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replayData->magic = ReplayMagic;
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replayData->version = ReplayVersion;
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replayData->networkId = network_get_version();
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replayData->name = name;
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replayData->tickStart = gCurrentTicks;
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if (maxTicks != k_MaxReplayTicks)
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replayData->tickEnd = gCurrentTicks + maxTicks;
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else
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replayData->tickEnd = k_MaxReplayTicks;
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replayData->filePath = name;
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auto context = GetContext();
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auto& objManager = context->GetObjectManager();
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auto objects = objManager.GetPackableObjects();
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auto exporter = std::make_unique<ParkFileExporter>();
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exporter->ExportObjectsList = objects;
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exporter->Export(replayData->parkData);
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replayData->timeRecorded = std::chrono::seconds(std::time(nullptr)).count();
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DataSerialiser parkParamsDs(true, replayData->parkParams);
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SerialiseParkParameters(parkParamsDs);
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DataSerialiser cheatDataDs(true, replayData->cheatData);
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SerialiseCheats(cheatDataDs);
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TakeGameStateSnapshot(replayData->gameStateSnapshots);
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if (_mode != ReplayMode::NORMALISATION)
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_mode = ReplayMode::RECORDING;
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_currentRecording = std::move(replayData);
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_recordType = rt;
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_nextChecksumTick = gCurrentTicks + 1;
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return true;
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}
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virtual bool StopRecording(bool discard = false) override
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{
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if (_mode != ReplayMode::RECORDING && _mode != ReplayMode::NORMALISATION)
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return false;
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if (discard)
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{
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_currentRecording.reset();
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_mode = ReplayMode::NONE;
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return true;
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}
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_currentRecording->tickEnd = gCurrentTicks;
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{
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EntitiesChecksum checksum = GetAllEntitiesChecksum();
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AddChecksum(gCurrentTicks, std::move(checksum));
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}
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TakeGameStateSnapshot(_currentRecording->gameStateSnapshots);
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// Serialise Body.
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DataSerialiser recSerialiser(true);
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Serialise(recSerialiser, *_currentRecording);
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const auto& stream = recSerialiser.GetStream();
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unsigned long streamLength = static_cast<unsigned long>(stream.GetLength());
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unsigned long compressLength = compressBound(streamLength);
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MemoryStream data(compressLength);
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ReplayRecordFile file{ _currentRecording->magic, _currentRecording->version, streamLength, data };
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auto compressBuf = std::make_unique<unsigned char[]>(compressLength);
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compress2(
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compressBuf.get(), &compressLength, static_cast<const unsigned char*>(stream.GetData()), stream.GetLength(),
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ReplayCompressionLevel);
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file.data.Write(compressBuf.get(), compressLength);
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DataSerialiser fileSerialiser(true);
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fileSerialiser << file.magic;
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fileSerialiser << file.version;
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fileSerialiser << file.uncompressedSize;
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fileSerialiser << file.data;
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bool result = false;
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const std::string& outFile = _currentRecording->filePath;
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FILE* fp = fopen(outFile.c_str(), "wb");
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if (fp != nullptr)
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{
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const auto& fileStream = fileSerialiser.GetStream();
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fwrite(fileStream.GetData(), 1, fileStream.GetLength(), fp);
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fclose(fp);
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result = true;
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}
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else
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{
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log_error("Unable to write to file '%s'", outFile.c_str());
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result = false;
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}
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// When normalizing the output we don't touch the mode.
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if (_mode != ReplayMode::NORMALISATION)
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_mode = ReplayMode::NONE;
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_currentRecording.reset();
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News::Item* news = News::AddItemToQueue(News::ItemType::Blank, "Replay recording stopped", 0);
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news->SetFlags(News::ItemFlags::HasButton); // Has no subject.
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return result;
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}
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virtual bool GetCurrentReplayInfo(ReplayRecordInfo& info) const override
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{
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ReplayRecordData* data = nullptr;
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if (_mode == ReplayMode::PLAYING)
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data = _currentReplay.get();
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else if (_mode == ReplayMode::RECORDING)
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data = _currentRecording.get();
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else if (_mode == ReplayMode::NORMALISATION)
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data = _currentRecording.get();
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if (data == nullptr)
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return false;
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info.FilePath = data->filePath;
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info.Name = data->name;
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info.Version = data->version;
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info.TimeRecorded = data->timeRecorded;
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if (_mode == ReplayMode::RECORDING)
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info.Ticks = gCurrentTicks - data->tickStart;
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else if (_mode == ReplayMode::PLAYING)
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info.Ticks = data->tickEnd - data->tickStart;
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info.NumCommands = static_cast<uint32_t>(data->commands.size());
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info.NumChecksums = static_cast<uint32_t>(data->checksums.size());
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return true;
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}
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void LoadAndCompareSnapshot(MemoryStream& snapshotStream)
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{
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DataSerialiser ds(false, snapshotStream);
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IGameStateSnapshots* snapshots = GetContext()->GetGameStateSnapshots();
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GameStateSnapshot_t& replaySnapshot = snapshots->CreateSnapshot();
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snapshots->SerialiseSnapshot(replaySnapshot, ds);
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auto& localSnapshot = snapshots->CreateSnapshot();
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snapshots->Capture(localSnapshot);
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snapshots->LinkSnapshot(localSnapshot, gCurrentTicks, scenario_rand_state().s0);
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try
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{
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GameStateCompareData_t cmpData = snapshots->Compare(replaySnapshot, localSnapshot);
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// Find out if there are any differences between the two states
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auto res = std::find_if(
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cmpData.spriteChanges.begin(), cmpData.spriteChanges.end(),
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[](const GameStateSpriteChange_t& diff) { return diff.changeType != GameStateSpriteChange_t::EQUAL; });
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// If there are difference write a log to the desyncs folder
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if (res != cmpData.spriteChanges.end())
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{
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std::string outputPath = GetContext()->GetPlatformEnvironment()->GetDirectoryPath(
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DIRBASE::USER, DIRID::LOG_DESYNCS);
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char uniqueFileName[128] = {};
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snprintf(uniqueFileName, sizeof(uniqueFileName), "replay_desync_%u.txt", gCurrentTicks);
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std::string outputFile = Path::Combine(outputPath, uniqueFileName);
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snapshots->LogCompareDataToFile(outputFile, cmpData);
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}
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}
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catch (const std::runtime_error& err)
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{
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log_warning("Snapshot data failed to be read. Snapshot not compared. %s", err.what());
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}
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}
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virtual bool StartPlayback(const std::string& file) override
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{
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if (_mode != ReplayMode::NONE && _mode != ReplayMode::NORMALISATION)
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return false;
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auto replayData = std::make_unique<ReplayRecordData>();
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if (!ReadReplayData(file, *replayData))
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{
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log_error("Unable to read replay data.");
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return false;
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}
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if (!LoadReplayDataMap(*replayData))
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{
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log_error("Unable to load map.");
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return false;
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}
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gCurrentTicks = replayData->tickStart;
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LoadAndCompareSnapshot(replayData->gameStateSnapshots);
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_currentReplay = std::move(replayData);
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_currentReplay->checksumIndex = 0;
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_faultyChecksumIndex = -1;
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// Make sure game is not paused.
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gGamePaused = 0;
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if (_mode != ReplayMode::NORMALISATION)
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_mode = ReplayMode::PLAYING;
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return true;
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}
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virtual bool IsPlaybackStateMismatching() const override
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{
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return _faultyChecksumIndex != -1;
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}
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virtual bool StopPlayback() override
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{
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if (_mode != ReplayMode::PLAYING && _mode != ReplayMode::NORMALISATION)
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return false;
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LoadAndCompareSnapshot(_currentReplay->gameStateSnapshots);
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// During normal playback we pause the game if stopped.
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if (_mode == ReplayMode::PLAYING)
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{
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News::Item* news = News::AddItemToQueue(News::ItemType::Blank, "Replay playback complete", 0);
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news->SetFlags(News::ItemFlags::HasButton); // Has no subject.
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}
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// When normalizing the output we don't touch the mode.
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if (_mode != ReplayMode::NORMALISATION)
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{
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_mode = ReplayMode::NONE;
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}
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_currentReplay.reset();
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return true;
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}
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virtual bool NormaliseReplay(const std::string& file, const std::string& outFile) override
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{
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_mode = ReplayMode::NORMALISATION;
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if (!StartPlayback(file))
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{
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return false;
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}
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if (!StartRecording(outFile, k_MaxReplayTicks, RecordType::NORMAL))
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{
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StopPlayback();
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return false;
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}
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_nextReplayTick = gCurrentTicks + 1;
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return true;
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}
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private:
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int ChecksumTicksDelta() const
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{
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switch (_recordType)
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{
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default:
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case RecordType::NORMAL:
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return NormalRecordingChecksumTicks;
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case RecordType::SILENT:
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return SilentRecordingChecksumTicks;
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}
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}
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bool LoadReplayDataMap(ReplayRecordData& data)
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{
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try
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{
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data.parkData.SetPosition(0);
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auto context = GetContext();
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auto& objManager = context->GetObjectManager();
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auto importer = ParkImporter::CreateParkFile(context->GetObjectRepository());
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auto loadResult = importer->LoadFromStream(&data.parkData, false);
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objManager.LoadObjects(loadResult.RequiredObjects);
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importer->Import();
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EntityTweener::Get().Reset();
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// Load all map global variables.
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DataSerialiser parkParamsDs(false, data.parkParams);
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SerialiseParkParameters(parkParamsDs);
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game_load_init();
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fix_invalid_vehicle_sprite_sizes();
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}
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catch (const std::exception& ex)
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{
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log_error("Exception: %s", ex.what());
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return false;
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}
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return true;
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}
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bool ReadReplayFromFile(const std::string& file, MemoryStream& stream)
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{
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FILE* fp = fopen(file.c_str(), "rb");
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if (fp == nullptr)
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return false;
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char buffer[128];
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while (feof(fp) == 0)
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{
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size_t numBytesRead = fread(buffer, 1, 128, fp);
|
|
if (numBytesRead == 0)
|
|
break;
|
|
stream.Write(buffer, numBytesRead);
|
|
}
|
|
|
|
fclose(fp);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns true if decompression was not needed or succeeded
|
|
* @param stream
|
|
* @return
|
|
*/
|
|
bool TryDecompress(MemoryStream& stream)
|
|
{
|
|
ReplayRecordFile recFile;
|
|
stream.SetPosition(0);
|
|
DataSerialiser fileSerializer(false, stream);
|
|
fileSerializer << recFile.magic;
|
|
fileSerializer << recFile.version;
|
|
|
|
if (recFile.version >= 2)
|
|
{
|
|
fileSerializer << recFile.uncompressedSize;
|
|
fileSerializer << recFile.data;
|
|
|
|
auto buff = std::make_unique<unsigned char[]>(recFile.uncompressedSize);
|
|
unsigned long outSize = recFile.uncompressedSize;
|
|
uncompress(
|
|
static_cast<unsigned char*>(buff.get()), &outSize,
|
|
static_cast<const unsigned char*>(recFile.data.GetData()), recFile.data.GetLength());
|
|
if (outSize != recFile.uncompressedSize)
|
|
{
|
|
return false;
|
|
}
|
|
stream.SetPosition(0);
|
|
stream.Write(buff.get(), outSize);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool ReadReplayData(const std::string& file, ReplayRecordData& data)
|
|
{
|
|
MemoryStream stream;
|
|
|
|
std::string fileName = file;
|
|
if (fileName.size() < 5 || fileName.substr(fileName.size() - 5) != ".parkrep")
|
|
{
|
|
fileName += ".parkrep";
|
|
}
|
|
|
|
std::string outPath = GetContext()->GetPlatformEnvironment()->GetDirectoryPath(DIRBASE::USER, DIRID::REPLAY);
|
|
std::string outFile = Path::Combine(outPath, fileName);
|
|
|
|
bool loaded = false;
|
|
if (ReadReplayFromFile(outFile, stream))
|
|
{
|
|
data.filePath = outFile;
|
|
loaded = true;
|
|
}
|
|
else if (ReadReplayFromFile(file, stream))
|
|
{
|
|
data.filePath = file;
|
|
loaded = true;
|
|
}
|
|
if (!loaded)
|
|
return false;
|
|
|
|
if (!TryDecompress(stream))
|
|
return false;
|
|
|
|
stream.SetPosition(0);
|
|
DataSerialiser serialiser(false, stream);
|
|
if (!Serialise(serialiser, data))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Reset position of all streams.
|
|
data.parkData.SetPosition(0);
|
|
data.parkParams.SetPosition(0);
|
|
data.cheatData.SetPosition(0);
|
|
data.gameStateSnapshots.SetPosition(0);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SerialiseCheats(DataSerialiser& serialiser)
|
|
{
|
|
CheatsSerialise(serialiser);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SerialiseParkParameters(DataSerialiser& serialiser)
|
|
{
|
|
serialiser << _guestGenerationProbability;
|
|
serialiser << _suggestedGuestMaximum;
|
|
serialiser << gConfigGeneral.show_real_names_of_guests;
|
|
|
|
// To make this a little bit less volatile against updates
|
|
// we reserve some space for future additions.
|
|
uint64_t tempStorage = 0;
|
|
|
|
// If another park parameter has to be added simply swap tempStorage.
|
|
// and ensure the length read/write will stay uint64_t
|
|
serialiser << tempStorage;
|
|
serialiser << tempStorage;
|
|
serialiser << tempStorage;
|
|
serialiser << tempStorage;
|
|
serialiser << tempStorage;
|
|
serialiser << tempStorage;
|
|
serialiser << tempStorage;
|
|
serialiser << tempStorage;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SerialiseCommand(DataSerialiser& serialiser, ReplayCommand& command)
|
|
{
|
|
serialiser << command.tick;
|
|
serialiser << command.commandIndex;
|
|
|
|
uint32_t actionType = 0;
|
|
if (serialiser.IsSaving())
|
|
{
|
|
if (!command.action)
|
|
{
|
|
return false;
|
|
}
|
|
actionType = EnumValue(command.action->GetType());
|
|
}
|
|
serialiser << actionType;
|
|
|
|
if (serialiser.IsLoading())
|
|
{
|
|
command.action = GameActions::Create(static_cast<GameCommand>(actionType));
|
|
Guard::Assert(command.action != nullptr);
|
|
}
|
|
|
|
command.action->Serialise(serialiser);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool Compatible(ReplayRecordData& data)
|
|
{
|
|
return data.version == ReplayVersion;
|
|
}
|
|
|
|
bool Serialise(DataSerialiser& serialiser, ReplayRecordData& data)
|
|
{
|
|
serialiser << data.magic;
|
|
if (data.magic != ReplayMagic)
|
|
{
|
|
log_error("Magic does not match %08X, expected: %08X", data.magic, ReplayMagic);
|
|
return false;
|
|
}
|
|
serialiser << data.version;
|
|
if (data.version != ReplayVersion && !Compatible(data))
|
|
{
|
|
log_error("Invalid version detected %04X, expected: %04X", data.version, ReplayVersion);
|
|
return false;
|
|
}
|
|
|
|
serialiser << data.networkId;
|
|
#ifndef DISABLE_NETWORK
|
|
// NOTE: This does not mean the replay will not function, only a warning.
|
|
if (data.networkId != network_get_version())
|
|
{
|
|
log_warning(
|
|
"Replay network version mismatch: '%s', expected: '%s'", data.networkId.c_str(),
|
|
network_get_version().c_str());
|
|
}
|
|
#endif
|
|
|
|
serialiser << data.name;
|
|
serialiser << data.timeRecorded;
|
|
serialiser << data.parkData;
|
|
serialiser << data.parkParams;
|
|
serialiser << data.cheatData;
|
|
serialiser << data.tickStart;
|
|
serialiser << data.tickEnd;
|
|
|
|
uint32_t countCommands = static_cast<uint32_t>(data.commands.size());
|
|
serialiser << countCommands;
|
|
|
|
if (serialiser.IsSaving())
|
|
{
|
|
for (auto& command : data.commands)
|
|
{
|
|
SerialiseCommand(serialiser, const_cast<ReplayCommand&>(command));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (uint32_t i = 0; i < countCommands; i++)
|
|
{
|
|
ReplayCommand command = {};
|
|
SerialiseCommand(serialiser, command);
|
|
|
|
data.commands.emplace(std::move(command));
|
|
}
|
|
}
|
|
|
|
uint32_t countChecksums = static_cast<uint32_t>(data.checksums.size());
|
|
serialiser << countChecksums;
|
|
|
|
if (serialiser.IsLoading())
|
|
{
|
|
data.checksums.resize(countChecksums);
|
|
}
|
|
|
|
for (uint32_t i = 0; i < countChecksums; i++)
|
|
{
|
|
serialiser << data.checksums[i].first;
|
|
serialiser << data.checksums[i].second.raw;
|
|
}
|
|
|
|
serialiser << data.gameStateSnapshots;
|
|
return true;
|
|
}
|
|
|
|
#ifndef DISABLE_NETWORK
|
|
void CheckState()
|
|
{
|
|
uint32_t checksumIndex = _currentReplay->checksumIndex;
|
|
|
|
if (checksumIndex >= _currentReplay->checksums.size())
|
|
return;
|
|
|
|
const auto& savedChecksum = _currentReplay->checksums[checksumIndex];
|
|
if (_currentReplay->checksums[checksumIndex].first == gCurrentTicks)
|
|
{
|
|
_currentReplay->checksumIndex++;
|
|
|
|
EntitiesChecksum checksum = GetAllEntitiesChecksum();
|
|
if (savedChecksum.second.raw != checksum.raw)
|
|
{
|
|
uint32_t replayTick = gCurrentTicks - _currentReplay->tickStart;
|
|
|
|
// Detected different game state.
|
|
log_warning(
|
|
"Different sprite checksum at tick %u (Replay Tick: %u) ; Saved: %s, Current: %s", gCurrentTicks,
|
|
replayTick, savedChecksum.second.ToString().c_str(), checksum.ToString().c_str());
|
|
|
|
_faultyChecksumIndex = checksumIndex;
|
|
}
|
|
else
|
|
{
|
|
// Good state.
|
|
log_verbose(
|
|
"Good state at tick %u ; Saved: %s, Current: %s", gCurrentTicks,
|
|
savedChecksum.second.ToString().c_str(), checksum.ToString().c_str());
|
|
}
|
|
}
|
|
}
|
|
#endif // DISABLE_NETWORK
|
|
|
|
void ReplayCommands()
|
|
{
|
|
auto& replayQueue = _currentReplay->commands;
|
|
|
|
while (replayQueue.begin() != replayQueue.end())
|
|
{
|
|
const ReplayCommand& command = (*replayQueue.begin());
|
|
|
|
if (_mode == ReplayMode::PLAYING)
|
|
{
|
|
// If this is a normal playback wait for the correct tick.
|
|
if (command.tick != gCurrentTicks)
|
|
break;
|
|
}
|
|
else if (_mode == ReplayMode::NORMALISATION)
|
|
{
|
|
// Allow one entry per tick.
|
|
if (gCurrentTicks != _nextReplayTick)
|
|
break;
|
|
|
|
_nextReplayTick = gCurrentTicks + 1;
|
|
}
|
|
|
|
bool isPositionValid = false;
|
|
|
|
GameAction* action = command.action.get();
|
|
action->SetFlags(action->GetFlags() | GAME_COMMAND_FLAG_REPLAY);
|
|
|
|
GameActions::Result result = GameActions::Execute(action);
|
|
if (result.Error == GameActions::Status::Ok)
|
|
{
|
|
isPositionValid = true;
|
|
}
|
|
|
|
// Focus camera on event.
|
|
if (isPositionValid && !result.Position.IsNull())
|
|
{
|
|
auto* mainWindow = window_get_main();
|
|
if (mainWindow != nullptr)
|
|
window_scroll_to_location(*mainWindow, result.Position);
|
|
}
|
|
|
|
replayQueue.erase(replayQueue.begin());
|
|
}
|
|
}
|
|
|
|
private:
|
|
ReplayMode _mode = ReplayMode::NONE;
|
|
std::unique_ptr<ReplayRecordData> _currentRecording;
|
|
std::unique_ptr<ReplayRecordData> _currentReplay;
|
|
int32_t _faultyChecksumIndex = -1;
|
|
uint32_t _commandId = 0;
|
|
uint32_t _nextChecksumTick = 0;
|
|
uint32_t _nextReplayTick = 0;
|
|
RecordType _recordType = RecordType::NORMAL;
|
|
};
|
|
|
|
std::unique_ptr<IReplayManager> CreateReplayManager()
|
|
{
|
|
return std::make_unique<ReplayManager>();
|
|
}
|
|
|
|
} // namespace OpenRCT2
|