Import Cai1Hsu/re3 @ miami (reVC / GTA:VC decompilation)HEADmiami

Snapshot import (no upstream history) into git.ancap.in.ua/claude, per @lzcnt.
Source: https://github.com/Cai1Hsu/re3 branch miami.

1 files changed, 659 insertions, 0 deletions

diff --git a/src/save/GenericGameStorage.cpp b/src/save/GenericGameStorage.cpp
new file mode 100644
index 0000000..a97e9af
--- /dev/null
+++ b/src/save/GenericGameStorage.cpp
@@ -0,0 +1,659 @@
+#define WITHWINDOWS
+#include "common.h"
+#include "crossplatform.h"
+#include "main.h"
+
+#include "DMAudio.h"
+#include "AudioScriptObject.h"
+#include "Camera.h"
+#include "CarGen.h"
+#include "Cranes.h"
+#include "Clock.h"
+#include "Date.h"
+#include "FileMgr.h"
+#include "Font.h"
+#include "Frontend.h"
+#include "GameLogic.h"
+#include "Gangs.h"
+#include "Garages.h"
+#include "GenericGameStorage.h"
+#include "Pad.h"
+#include "Particle.h"
+#include "ParticleObject.h"
+#include "PathFind.h"
+#include "PCSave.h"
+#include "Phones.h"
+#include "Pickups.h"
+#include "PlayerPed.h"
+#include "ProjectileInfo.h"
+#include "Pools.h"
+#include "Radar.h"
+#include "Restart.h"
+#include "Script.h"
+#include "SetPieces.h"
+#include "Stats.h"
+#include "Streaming.h"
+#include "Timer.h"
+#include "TimeStep.h"
+#include "Weather.h"
+#include "World.h"
+#include "Zones.h"
+#include "Timecycle.h"
+#include "Fluff.h"
+
+#define BLOCK_COUNT 22
+#define SIZE_OF_SIMPLEVARS 0xE4
+
+const uint32 SIZE_OF_ONE_GAME_IN_BYTES = 201729;
+
+#ifdef MISSION_REPLAY
+int8 IsQuickSave;
+const int PAUSE_SAVE_SLOT = SLOT_COUNT;
+#endif
+
+char DefaultPCSaveFileName[260];
+char ValidSaveName[260];
+char LoadFileName[256];
+wchar SlotFileName[SLOT_COUNT][260];
+wchar SlotSaveDate[SLOT_COUNT][70];
+int CheckSum;
+eLevelName m_LevelToLoad;
+char SaveFileNameJustSaved[260];
+int Slots[SLOT_COUNT];
+
+bool b_FoundRecentSavedGameWantToLoad;
+bool JustLoadedDontFadeInYet;
+bool StillToFadeOut;
+uint32 TimeStartedCountingForFade;
+uint32 TimeToStayFadedBeforeFadeOut = 1750;
+
+int32 RadioStationPosition[NUM_RADIOS];
+
+void
+InitRadioStationPositionList()
+{
+	for (int i = 0; i < NUM_RADIOS; i++)
+		RadioStationPosition[i] = -1;
+}
+
+int32
+GetSavedRadioStationPosition(int32 station)
+{
+	return RadioStationPosition[station];
+}
+
+void
+PopulateRadioStationPositionList()
+{
+	for (int i = 0; i < NUM_RADIOS; i++)
+		RadioStationPosition[i] = DMAudio.GetRadioPosition(i);
+}
+
+#define ReadDataFromBufferPointer(buf, to) memcpy(&to, buf, sizeof(to)); buf += align4bytes(sizeof(to));
+#define WriteDataToBufferPointer(buf, from) memcpy(buf, &from, sizeof(from)); buf += align4bytes(sizeof(from));
+
+#define LoadSaveDataBlock()\
+do {\
+	if (!ReadDataFromFile(file, (uint8 *) &size, 4))\
+		return false;\
+	size = align4bytes(size);\
+	if (!ReadDataFromFile(file, work_buff, size))\
+		return false;\
+	buf = work_buff;\
+} while (0)
+
+#define ReadDataFromBlock(msg,load_func)\
+do {\
+	debug(msg);\
+	ReadDataFromBufferPointer(buf, size);\
+	load_func(buf, size);\
+	size = align4bytes(size);\
+	buf += size;\
+} while (0)
+
+#define WriteSaveDataBlock(save_func, msg)\
+do {\
+	size = 0;\
+	buf = work_buff;\
+	reserved = 0;\
+	MakeSpaceForSizeInBufferPointer(presize, buf, postsize);\
+	save_func(buf, &size);\
+	debug(msg"== %i \n", size);\
+	CopySizeAndPreparePointer(presize, buf, postsize, reserved, size);\
+	if (!PcSaveHelper.PcClassSaveRoutine(file, work_buff, buf - work_buff))\
+		return false;\
+	totalSize += buf - work_buff;\
+} while (0)
+
+bool
+GenericSave(int file)
+{
+	uint8 *buf, *presize, *postsize;
+	uint32 size;
+	uint32 reserved;
+
+	uint32 totalSize;
+	
+	wchar *lastMissionPassed;
+	wchar suffix[6];
+	wchar saveName[24];
+	SYSTEMTIME saveTime;
+	CPad *currPad;
+
+	CheckSum = 0;
+	buf = work_buff;
+	reserved = 0;
+
+	// Save simple vars
+	lastMissionPassed = TheText.Get(CStats::LastMissionPassedName[0] ? CStats::LastMissionPassedName : "ITBEG");
+	AsciiToUnicode("...'", suffix);
+	suffix[3] = L'\0';
+#ifdef FIX_BUGS
+	// fix buffer overflow
+	int len = UnicodeStrlen(lastMissionPassed);
+	if (len > ARRAY_SIZE(saveName)-1)
+		len = ARRAY_SIZE(saveName)-1;
+	memcpy(saveName, lastMissionPassed, sizeof(wchar) * len);
+#else
+	TextCopy(saveName, lastMissionPassed);
+	int len = UnicodeStrlen(saveName);
+#endif
+	saveName[len] = '\0';
+	if (len > ARRAY_SIZE(saveName)-2)
+		TextCopy(&saveName[ARRAY_SIZE(saveName)-ARRAY_SIZE(suffix)], suffix);
+	saveName[ARRAY_SIZE(saveName)-1] = '\0';
+	WriteDataToBufferPointer(buf, saveName);
+	GetLocalTime(&saveTime);
+	WriteDataToBufferPointer(buf, saveTime);
+#ifdef MISSION_REPLAY
+	int32 data = IsQuickSave << 24 | SIZE_OF_ONE_GAME_IN_BYTES;
+	WriteDataToBufferPointer(buf, data);
+#else
+	WriteDataToBufferPointer(buf, SIZE_OF_ONE_GAME_IN_BYTES);
+#endif
+	WriteDataToBufferPointer(buf, CGame::currLevel);
+	WriteDataToBufferPointer(buf, TheCamera.GetPosition().x);
+	WriteDataToBufferPointer(buf, TheCamera.GetPosition().y);
+	WriteDataToBufferPointer(buf, TheCamera.GetPosition().z);
+	WriteDataToBufferPointer(buf, CClock::ms_nMillisecondsPerGameMinute);
+	WriteDataToBufferPointer(buf, CClock::ms_nLastClockTick);
+	WriteDataToBufferPointer(buf, CClock::ms_nGameClockHours);
+	WriteDataToBufferPointer(buf, CClock::ms_nGameClockMinutes);
+	currPad = CPad::GetPad(0);
+	WriteDataToBufferPointer(buf, currPad->Mode);
+	WriteDataToBufferPointer(buf, CTimer::m_snTimeInMilliseconds);
+	WriteDataToBufferPointer(buf, CTimer::ms_fTimeScale);
+	WriteDataToBufferPointer(buf, CTimer::ms_fTimeStep);
+	WriteDataToBufferPointer(buf, CTimer::ms_fTimeStepNonClipped);
+	WriteDataToBufferPointer(buf, CTimer::m_FrameCounter);
+	WriteDataToBufferPointer(buf, CTimeStep::ms_fTimeStep);
+	WriteDataToBufferPointer(buf, CTimeStep::ms_fFramesPerUpdate);
+	WriteDataToBufferPointer(buf, CTimeStep::ms_fTimeScale);
+	WriteDataToBufferPointer(buf, CWeather::OldWeatherType);
+	WriteDataToBufferPointer(buf, CWeather::NewWeatherType);
+	WriteDataToBufferPointer(buf, CWeather::ForcedWeatherType);
+	WriteDataToBufferPointer(buf, CWeather::InterpolationValue);
+	WriteDataToBufferPointer(buf, CWeather::WeatherTypeInList);
+#ifdef COMPATIBLE_SAVES
+	// converted to float for compatibility with original format
+	// TODO: maybe remove this? not really gonna break anything vital
+	float f = TheCamera.CarZoomIndicator;
+	WriteDataToBufferPointer(buf, f);
+	f = TheCamera.PedZoomIndicator;
+	WriteDataToBufferPointer(buf, f);
+#else
+	WriteDataToBufferPointer(buf, TheCamera.CarZoomIndicator);
+	WriteDataToBufferPointer(buf, TheCamera.PedZoomIndicator);
+#endif
+	WriteDataToBufferPointer(buf, CGame::currArea);
+	WriteDataToBufferPointer(buf, CVehicle::bAllTaxisHaveNitro);
+	WriteDataToBufferPointer(buf, CPad::bInvertLook4Pad);
+	WriteDataToBufferPointer(buf, CTimeCycle::m_ExtraColour);
+	WriteDataToBufferPointer(buf, CTimeCycle::m_bExtraColourOn);
+	WriteDataToBufferPointer(buf, CTimeCycle::m_ExtraColourInter);
+	PopulateRadioStationPositionList();
+	WriteDataToBufferPointer(buf, RadioStationPosition);
+	assert(buf - work_buff == SIZE_OF_SIMPLEVARS);
+
+	// Save scripts, block is nested within the same block as simple vars for some reason
+	presize = buf;
+	buf += 4;
+	postsize = buf;
+	CTheScripts::SaveAllScripts(buf, &size);
+	debug("ScriptSize== %i \n", size);
+	CopySizeAndPreparePointer(presize, buf, postsize, reserved, size);
+	if (!PcSaveHelper.PcClassSaveRoutine(file, work_buff, buf - work_buff))
+		return false;
+
+	totalSize = buf - work_buff;
+
+	// Save the rest
+	WriteSaveDataBlock(CPools::SavePedPool, "PedPoolSize");
+	WriteSaveDataBlock(CGarages::Save, "GaragesSize");
+	WriteSaveDataBlock(CGameLogic::Save, "GameLogicSize");
+	WriteSaveDataBlock(CPools::SaveVehiclePool, "VehPoolSize");
+	WriteSaveDataBlock(CPools::SaveObjectPool, "ObjectPoolSize");
+	WriteSaveDataBlock(ThePaths.Save, "ThePathsSize");
+	WriteSaveDataBlock(CCranes::Save, "CranesSize");
+	WriteSaveDataBlock(CPickups::Save, "PickUpsSize");
+	WriteSaveDataBlock(gPhoneInfo.Save, "PhoneInfoSize");
+	WriteSaveDataBlock(CRestart::SaveAllRestartPoints, "RestartPointsBufferSize");
+	WriteSaveDataBlock(CRadar::SaveAllRadarBlips, "RadarBlipsBufferSize");
+	WriteSaveDataBlock(CTheZones::SaveAllZones, "AllZonesBufferSize");
+	WriteSaveDataBlock(CGangs::SaveAllGangData, "AllGangDataSize");
+	WriteSaveDataBlock(CTheCarGenerators::SaveAllCarGenerators, "AllCarGeneratorsSize");
+	WriteSaveDataBlock(CParticleObject::SaveParticle, "ParticlesSize");
+	WriteSaveDataBlock(cAudioScriptObject::SaveAllAudioScriptObjects, "AllAudioScriptObjectsSize");
+	WriteSaveDataBlock(CScriptPaths::Save, "ScriptPathsSize");
+	WriteSaveDataBlock(CWorld::Players[CWorld::PlayerInFocus].SavePlayerInfo, "PlayerInfoSize");
+	WriteSaveDataBlock(CStats::SaveStats, "StatsSize");
+	WriteSaveDataBlock(CSetPieces::Save, "SetPiecesSize");
+	WriteSaveDataBlock(CStreaming::MemoryCardSave, "StreamingSize");
+	WriteSaveDataBlock(CPedType::Save, "PedTypeSize");
+
+	// Write padding
+	for (int i = 0; i < 4; i++) {
+		size = align4bytes(SIZE_OF_ONE_GAME_IN_BYTES - totalSize - 4);
+		if (size > sizeof(work_buff))
+			size = sizeof(work_buff);
+		if (size > 4) {
+			if (!PcSaveHelper.PcClassSaveRoutine(file, work_buff, size))
+				return false;
+			totalSize += size;
+		}
+	}
+	
+	// Write checksum and close
+	CFileMgr::Write(file, (const char *) &CheckSum, sizeof(CheckSum));
+	if (CFileMgr::GetErrorReadWrite(file)) {
+		PcSaveHelper.nErrorCode = SAVESTATUS_ERR_SAVE_WRITE;
+		if (!CloseFile(file))
+			PcSaveHelper.nErrorCode = SAVESTATUS_ERR_SAVE_CLOSE;
+
+		return false;
+	}
+
+	CPad::FixPadsAfterSave();	
+	return true;
+}
+
+bool
+GenericLoad()
+{
+	uint8 *buf;
+	int32 file;
+	uint32 size;
+#ifdef MISSION_REPLAY
+	int8 qs;
+#endif
+
+	int32 saveSize;
+	CPad *currPad;
+
+	// Load SimpleVars and Scripts
+	CheckSum = 0;
+	CDate dummy; // unused
+	CPad::ResetCheats();
+	if (!ReadInSizeofSaveFileBuffer(file, size))
+		return false;
+	size = align4bytes(size);
+	ReadDataFromFile(file, work_buff, size);
+	buf = (work_buff + 0x40);
+	ReadDataFromBufferPointer(buf, saveSize);
+#ifdef MISSION_REPLAY // a hack to keep compatibility but get new data from save
+	qs = saveSize >> 24;
+#endif
+	ReadDataFromBufferPointer(buf, CGame::currLevel);
+	ReadDataFromBufferPointer(buf, TheCamera.GetMatrix().GetPosition().x);
+	ReadDataFromBufferPointer(buf, TheCamera.GetMatrix().GetPosition().y);
+	ReadDataFromBufferPointer(buf, TheCamera.GetMatrix().GetPosition().z);
+	ReadDataFromBufferPointer(buf, CClock::ms_nMillisecondsPerGameMinute);
+	ReadDataFromBufferPointer(buf, CClock::ms_nLastClockTick);
+	ReadDataFromBufferPointer(buf, CClock::ms_nGameClockHours);
+	ReadDataFromBufferPointer(buf, CClock::ms_nGameClockMinutes);
+	currPad = CPad::GetPad(0);
+	ReadDataFromBufferPointer(buf, currPad->Mode);
+	ReadDataFromBufferPointer(buf, CTimer::m_snTimeInMilliseconds);
+	ReadDataFromBufferPointer(buf, CTimer::ms_fTimeScale);
+	ReadDataFromBufferPointer(buf, CTimer::ms_fTimeStep);
+	ReadDataFromBufferPointer(buf, CTimer::ms_fTimeStepNonClipped);
+	ReadDataFromBufferPointer(buf, CTimer::m_FrameCounter);
+	ReadDataFromBufferPointer(buf, CTimeStep::ms_fTimeStep);
+	ReadDataFromBufferPointer(buf, CTimeStep::ms_fFramesPerUpdate);
+	ReadDataFromBufferPointer(buf, CTimeStep::ms_fTimeScale);
+	ReadDataFromBufferPointer(buf, CWeather::OldWeatherType);
+	ReadDataFromBufferPointer(buf, CWeather::NewWeatherType);
+	ReadDataFromBufferPointer(buf, CWeather::ForcedWeatherType);
+#ifdef SECUROM
+	if (CTimer::m_FrameCounter > 72000){
+		buf += align4bytes(4);
+	}
+#endif
+	ReadDataFromBufferPointer(buf, CWeather::InterpolationValue);
+	ReadDataFromBufferPointer(buf, CWeather::WeatherTypeInList);
+#ifdef COMPATIBLE_SAVES
+	// converted to float for compatibility with original format
+	// TODO: maybe remove this? not really gonna break anything vital
+	float f;
+	ReadDataFromBufferPointer(buf, f);
+	TheCamera.CarZoomIndicator = f;
+	ReadDataFromBufferPointer(buf, f);
+	TheCamera.PedZoomIndicator = f;
+#else
+	ReadDataFromBufferPointer(buf, TheCamera.CarZoomIndicator);
+	ReadDataFromBufferPointer(buf, TheCamera.PedZoomIndicator);
+#endif
+	ReadDataFromBufferPointer(buf, CGame::currArea);
+	ReadDataFromBufferPointer(buf, CVehicle::bAllTaxisHaveNitro);
+#ifdef LOAD_INI_SETTINGS
+	buf += align4bytes(sizeof(CPad::bInvertLook4Pad));
+#else
+	ReadDataFromBufferPointer(buf, CPad::bInvertLook4Pad);
+#endif
+	ReadDataFromBufferPointer(buf, CTimeCycle::m_ExtraColour);
+	ReadDataFromBufferPointer(buf, CTimeCycle::m_bExtraColourOn);
+	ReadDataFromBufferPointer(buf, CTimeCycle::m_ExtraColourInter);
+	ReadDataFromBufferPointer(buf, RadioStationPosition);
+	assert(buf - work_buff == SIZE_OF_SIMPLEVARS);
+#ifdef MISSION_REPLAY
+	WaitForSave = 0;
+	if (FrontEndMenuManager.m_nCurrSaveSlot == PAUSE_SAVE_SLOT && qs == 3)
+		WaitForMissionActivate = CTimer::GetTimeInMilliseconds() + 2000;
+#endif
+	ReadDataFromBlock("Loading Scripts \n", CTheScripts::LoadAllScripts);
+
+	// Load the rest
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading PedPool \n", CPools::LoadPedPool);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Garages \n", CGarages::Load);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading GameLogic \n", CGameLogic::Load);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Vehicles \n", CPools::LoadVehiclePool);
+	LoadSaveDataBlock();
+	CProjectileInfo::RemoveAllProjectiles();
+	CObject::DeleteAllTempObjects();
+	ReadDataFromBlock("Loading Objects \n", CPools::LoadObjectPool);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Paths \n", ThePaths.Load);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Cranes \n", CCranes::Load);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Pickups \n", CPickups::Load);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Phoneinfo \n", gPhoneInfo.Load);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Restart \n", CRestart::LoadAllRestartPoints);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Radar Blips \n", CRadar::LoadAllRadarBlips);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Zones \n", CTheZones::LoadAllZones);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Gang Data \n", CGangs::LoadAllGangData);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Car Generators \n", CTheCarGenerators::LoadAllCarGenerators);
+	CParticle::ReloadConfig();
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Particles \n", CParticleObject::LoadParticle);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading AudioScript Objects \n", cAudioScriptObject::LoadAllAudioScriptObjects);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading ScriptPaths \n", CScriptPaths::Load);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Player Info \n", CWorld::Players[CWorld::PlayerInFocus].LoadPlayerInfo);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Stats \n", CStats::LoadStats);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Set Pieces \n", CSetPieces::Load);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading Streaming Stuff \n", CStreaming::MemoryCardLoad);
+	LoadSaveDataBlock();
+	ReadDataFromBlock("Loading PedType Stuff \n", CPedType::Load);
+
+	DMAudio.SetMusicMasterVolume(FrontEndMenuManager.m_PrefsMusicVolume);
+	DMAudio.SetEffectsMasterVolume(FrontEndMenuManager.m_PrefsSfxVolume);
+	if (!CloseFile(file)) {
+		PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE;
+		return false;
+	}
+
+	DoGameSpecificStuffAfterSucessLoad();
+	debug("Game successfully loaded \n");
+	return true;
+}
+
+bool
+ReadInSizeofSaveFileBuffer(int32 &file, uint32 &size)
+{
+	file = CFileMgr::OpenFile(LoadFileName, "rb");
+	if (file == 0) {
+		PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_OPEN;
+		return false;
+	}
+	CFileMgr::Read(file, (const char*)&size, sizeof(size));
+	if (CFileMgr::GetErrorReadWrite(file)) {
+		PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_READ;
+		if (!CloseFile(file))
+			PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE;
+		return false;
+	}
+	return true;
+}
+
+bool
+ReadDataFromFile(int32 file, uint8 *buf, uint32 size)
+{
+	if (file == 0) {
+		PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_OPEN;
+		return false;
+	}
+	size_t read_size = CFileMgr::Read(file, (const char*)buf, size);
+	if (CFileMgr::GetErrorReadWrite(file) || read_size != size) {
+		PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_READ;
+		if (!CloseFile(file))
+			PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE;
+		return false;
+	}
+	return true;
+}
+
+bool
+CloseFile(int32 file)
+{
+	return CFileMgr::CloseFile(file) == 0;
+}
+
+void
+DoGameSpecificStuffAfterSucessLoad()
+{
+	CCollision::SortOutCollisionAfterLoad();
+	CStreaming::LoadSceneCollision(TheCamera.GetPosition());
+	CStreaming::LoadScene(TheCamera.GetPosition());
+	CGame::TidyUpMemory(true, false);
+	StillToFadeOut = true;
+	JustLoadedDontFadeInYet = true;
+	TheCamera.Fade(0.0f, 0);
+	CTheScripts::Process();
+}
+
+bool
+CheckSlotDataValid(int32 slot)
+{
+	PcSaveHelper.nErrorCode = SAVESTATUS_SUCCESSFUL;
+	if (CheckDataNotCorrupt(slot, LoadFileName)) {
+		CStreaming::DeleteAllRwObjects();
+		return true;
+	}
+
+	PcSaveHelper.nErrorCode = SAVESTATUS_ERR_DATA_INVALID;
+	return false;
+}
+
+void
+MakeSpaceForSizeInBufferPointer(uint8 *&presize, uint8 *&buf, uint8 *&postsize)
+{
+	presize = buf;
+	buf += sizeof(uint32);
+	postsize = buf;
+}
+
+void
+CopySizeAndPreparePointer(uint8 *&buf, uint8 *&postbuf, uint8 *&postbuf2, uint32 &unused, uint32 &size)
+{
+	memcpy(buf, &size, sizeof(size));
+	size = align4bytes(size);
+	postbuf2 += size;
+	postbuf = postbuf2;
+}
+
+void
+DoGameSpecificStuffBeforeSave()
+{
+	CGameLogic::PassTime(360);
+	CPlayerPed *ped = FindPlayerPed();
+	ped->m_fCurrentStamina = ped->m_fMaxStamina;
+	CGame::TidyUpMemory(true, false);
+}
+
+
+void
+MakeValidSaveName(int32 slot)
+{
+	ValidSaveName[0] = '\0';
+	sprintf(ValidSaveName, "%s%i", DefaultPCSaveFileName, slot + 1);
+	strncat(ValidSaveName, ".b", 5);
+}
+
+wchar *
+GetSavedGameDateAndTime(int32 slot)
+{
+	return SlotSaveDate[slot];
+}
+
+wchar *
+GetNameOfSavedGame(int32 slot)
+{
+	return SlotFileName[slot];
+}
+
+bool
+CheckDataNotCorrupt(int32 slot, char *name)
+{
+	char filename[100];
+
+	int32 blocknum = 0;
+	eLevelName level = LEVEL_GENERIC;
+	CheckSum = 0;
+	uint32 bytes_processed = 0;
+	sprintf(filename, "%s%i%s", DefaultPCSaveFileName, slot + 1, ".b");
+	int file = CFileMgr::OpenFile(filename, "rb");
+	if (file == 0)
+		return false;
+	strcpy(name, filename);
+	while (SIZE_OF_ONE_GAME_IN_BYTES - sizeof(uint32) > bytes_processed && blocknum < 40) {
+		int32 blocksize;
+		if (!ReadDataFromFile(file, (uint8*)&blocksize, sizeof(blocksize))) {
+			CloseFile(file);
+			return false;
+		}
+		if (blocksize > align4bytes(sizeof(work_buff)))
+			blocksize = sizeof(work_buff) - sizeof(uint32);
+		if (!ReadDataFromFile(file, work_buff, align4bytes(blocksize))) {
+			CloseFile(file);
+			return false;
+		}
+
+		CheckSum += ((uint8*)&blocksize)[0];
+		CheckSum += ((uint8*)&blocksize)[1];
+		CheckSum += ((uint8*)&blocksize)[2];
+		CheckSum += ((uint8*)&blocksize)[3];
+		uint8 *_work_buf = work_buff;
+		for (int i = 0; i < align4bytes(blocksize); i++) {
+			CheckSum += *_work_buf++;
+			bytes_processed++;
+		}
+
+		if (blocknum == 0)
+			memcpy(&level, work_buff+4, sizeof(level));
+		blocknum++;
+	}
+	int32 _checkSum;
+	if (ReadDataFromFile(file, (uint8*)&_checkSum, sizeof(_checkSum))) {
+		if (CloseFile(file)) {
+			if (CheckSum == _checkSum) {
+				m_LevelToLoad = level;
+				return true;
+			}
+			return false;
+		}
+		return false;
+	}
+
+	CloseFile(file);
+	return false;
+}
+
+bool
+RestoreForStartLoad()
+{
+	uint8 buf[999];
+
+	int file = CFileMgr::OpenFile(LoadFileName, "rb");
+	if (file == 0) {
+		PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_OPEN;
+		return false;
+	}
+	ReadDataFromFile(file, buf, sizeof(buf));
+	if (CFileMgr::GetErrorReadWrite(file)) {
+		PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_READ;
+		if (!CloseFile(file))
+			PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE;
+		return false;
+	} else {
+		uint8 *_buf = buf + sizeof(int32) + sizeof(wchar[24]) + sizeof(SYSTEMTIME) + sizeof(SIZE_OF_ONE_GAME_IN_BYTES);
+		ReadDataFromBufferPointer(_buf, CGame::currLevel);
+		ReadDataFromBufferPointer(_buf, TheCamera.GetMatrix().GetPosition().x);
+		ReadDataFromBufferPointer(_buf, TheCamera.GetMatrix().GetPosition().y);
+		ReadDataFromBufferPointer(_buf, TheCamera.GetMatrix().GetPosition().z);
+		CStreaming::RemoveUnusedBigBuildings(CGame::currLevel);
+		CStreaming::RemoveUnusedBuildings(CGame::currLevel);
+
+		if (CloseFile(file)) {
+			return true;
+		} else {
+			PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE;
+			return false;
+		}
+	}
+}
+
+int
+align4bytes(int32 size)
+{
+	return (size + 3) & 0xFFFFFFFC;
+}
+
+#ifdef MISSION_REPLAY
+
+void DisplaySaveResult(int unk, char* name)
+{}
+
+bool SaveGameForPause(int type)
+{
+	if (AllowMissionReplay != 0 || type != 3 && WaitForSave > CTimer::GetTimeInMilliseconds())
+		return false;
+	WaitForSave = 0;
+	if (gGameState != GS_PLAYING_GAME || CTheScripts::IsPlayerOnAMission() || CStats::LastMissionPassedName[0] == '\0') {
+		DisplaySaveResult(3, CStats::LastMissionPassedName);
+		return false;
+	}
+	IsQuickSave = type;
+	MissionStartTime = 0;
+	int res = PcSaveHelper.SaveSlot(PAUSE_SAVE_SLOT);
+	PcSaveHelper.PopulateSlotInfo();
+	IsQuickSave = 0;
+	DisplaySaveResult(res, CStats::LastMissionPassedName);
+	return true;
+}
+#endif