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re3/src/save/GenericGameStorage.cpp

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#include "common.h"
#include "main.h"
#include "patcher.h"
#include "AudioScriptObject.h"
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#include "Camera.h"
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#include "CarGen.h"
#include "Cranes.h"
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#include "Clock.h"
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#include "Date.h"
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#include "FileMgr.h"
#include "GameLogic.h"
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#include "Gangs.h"
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#include "Garages.h"
#include "GenericGameStorage.h"
#include "Pad.h"
#include "ParticleObject.h"
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#include "PathFind.h"
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#include "PCSave.h"
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#include "Phones.h"
#include "Pickups.h"
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#include "PlayerPed.h"
#include "Pools.h"
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#include "Radar.h"
#include "Restart.h"
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#include "Script.h"
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#include "Stats.h"
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#include "Streaming.h"
#include "Weather.h"
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#include "World.h"
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#include "Zones.h"
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#define BLOCK_COUNT 20
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#define SIZE_OF_SIMPLEVARS 0xBC
const uint32 SIZE_OF_ONE_GAME_IN_BYTES = 201729;
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char (&DefaultPCSaveFileName)[260] = *(char(*)[260])*(uintptr*)0x8E28C0;
char (&ValidSaveName)[260] = *(char(*)[260])*(uintptr*)0x8E2CBC;
char (&LoadFileName)[256] = *(char(*)[256])*(uintptr*)0x9403C4;
wchar (&SlotFileName)[SLOT_COUNT][260] = *(wchar(*)[SLOT_COUNT][260])*(uintptr*)0x6F07C8;
wchar (&SlotSaveDate)[SLOT_COUNT][70] = *(wchar(*)[SLOT_COUNT][70])*(uintptr*)0x72B858;
int &CheckSum = *(int*)0x8E2BE0;
eLevelName &m_LevelToLoad = *(eLevelName*)0x8E29CC;
char SaveFileNameJustSaved[260];
int (&Slots)[SLOT_COUNT+1] = *(int(*)[SLOT_COUNT+1])*(uintptr*)0x72803C;
CDate &CompileDateAndTime = *(CDate*)0x72BCB8;
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#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));
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//WRAPPER bool GenericSave(int file) { EAXJMP(0x58F8D0); }
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WRAPPER bool GenericLoad() { EAXJMP(0x590A00); }
#define WRITE_BLOCK(save_func)\
do {\
buf = work_buff;\
reserved = 0;\
MakeSpaceForSizeInBufferPointer(presize, buf, postsize);\
save_func(buf, &size);\
CopySizeAndPreparePointer(presize, buf, postsize, reserved, size);\
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if (!PcSaveHelper.PcClassSaveRoutine(file, work_buff, size + 4))\
return false;\
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totalSize += size;\
} while (0)
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bool
GenericSave(int file)
{
uint8 *buf, *presize, *postsize;
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uint32 size;
uint32 reserved;
uint32 totalSize;
uint32 i;
wchar *lastMissionPassed;
wchar suffix[6];
wchar saveName[24];
SYSTEMTIME saveTime;
CPad *currPad;
CheckSum = 0;
buf = work_buff;
reserved = 0;
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totalSize = 0;
// Save simple vars
INITSAVEBUF
lastMissionPassed = TheText.Get(CStats::LastMissionPassedName);
if (*lastMissionPassed) {
AsciiToUnicode("'...", suffix);
TextCopy(saveName, lastMissionPassed);
int len = UnicodeStrlen(saveName);
saveName[len] = '\0';
if (22 < len)
TextCopy(saveName + 18, suffix);
saveName[23] = '\0';
}
WriteDataToBufferPointer(buf, saveName);
#ifdef VALIDATE_SAVE_SIZE
_saveBufCount += sizeof(saveName);
#endif
GetLocalTime(&saveTime);
WriteSaveBuf(buf, saveTime);
WriteSaveBuf(buf, SIZE_OF_ONE_GAME_IN_BYTES);
WriteSaveBuf(buf, CGame::currLevel);
WriteSaveBuf(buf, TheCamera.m_matrix.m_matrix.pos.x);
WriteSaveBuf(buf, TheCamera.m_matrix.m_matrix.pos.y);
WriteSaveBuf(buf, TheCamera.m_matrix.m_matrix.pos.z);
WriteSaveBuf(buf, CClock::ms_nMillisecondsPerGameMinute);
WriteSaveBuf(buf, CClock::ms_nLastClockTick);
WriteSaveBuf(buf, (uint32) CClock::ms_nGameClockHours);
WriteSaveBuf(buf, (uint32) CClock::ms_nGameClockMinutes);
currPad = CPad::GetPad(0);
WriteSaveBuf(buf, (uint32) currPad->Mode);
WriteSaveBuf(buf, CTimer::m_snTimeInMilliseconds);
WriteSaveBuf(buf, CTimer::ms_fTimeScale);
WriteSaveBuf(buf, CTimer::ms_fTimeStep);
WriteSaveBuf(buf, CTimer::ms_fTimeStepNonClipped);
WriteSaveBuf(buf, CTimer::m_FrameCounter);
WriteSaveBuf(buf, 1.0f); // CTimeStep::ms_fTimeStep;
WriteSaveBuf(buf, 1.0f); // CTimeStep::ms_fFramesPerUpdate;
WriteSaveBuf(buf, 1.0f); // CTimeStep::ms_fTimeScale;
WriteSaveBuf(buf, (int32) CWeather::OldWeatherType);
WriteSaveBuf(buf, (int32) CWeather::NewWeatherType);
WriteSaveBuf(buf, (int32) CWeather::ForcedWeatherType);
WriteSaveBuf(buf, CWeather::InterpolationValue);
WriteSaveBuf(buf, CompileDateAndTime.m_nSecond);
WriteSaveBuf(buf, CompileDateAndTime.m_nMinute);
WriteSaveBuf(buf, CompileDateAndTime.m_nHour);
WriteSaveBuf(buf, CompileDateAndTime.m_nDay);
WriteSaveBuf(buf, CompileDateAndTime.m_nMonth);
WriteSaveBuf(buf, CompileDateAndTime.m_nYear);
WriteSaveBuf(buf, CWeather::WeatherTypeInList);
WriteSaveBuf(buf, TheCamera.CarZoomIndicator);
WriteSaveBuf(buf, TheCamera.PedZoomIndicator);
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VALIDATESAVEBUF(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);
CopySizeAndPreparePointer(presize, buf, postsize, reserved, size);
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if (!PcSaveHelper.PcClassSaveRoutine(file, work_buff, size + SIZE_OF_SIMPLEVARS + 4))
return false;
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totalSize += size + SIZE_OF_SIMPLEVARS;
// Save the rest
WRITE_BLOCK(CPools::SavePedPool);
WRITE_BLOCK(CGarages::Save);
WRITE_BLOCK(CPools::SaveVehiclePool);
WRITE_BLOCK(CPools::SaveObjectPool);
WRITE_BLOCK(ThePaths.Save);
WRITE_BLOCK(CCranes::Save);
WRITE_BLOCK(CPickups::Save);
WRITE_BLOCK(gPhoneInfo.Save);
WRITE_BLOCK(CRestart::SaveAllRestartPoints);
WRITE_BLOCK(CRadar::SaveAllRadarBlips);
WRITE_BLOCK(CTheZones::SaveAllZones);
WRITE_BLOCK(CGangs::SaveAllGangData);
WRITE_BLOCK(CTheCarGenerators::SaveAllCarGenerators);
WRITE_BLOCK(CParticleObject::SaveParticle);
WRITE_BLOCK(cAudioScriptObject::SaveAllAudioScriptObjects);
WRITE_BLOCK(CWorld::Players[CWorld::PlayerInFocus].SavePlayerInfo);
WRITE_BLOCK(CStats::SaveStats);
WRITE_BLOCK(CStreaming::MemoryCardSave);
WRITE_BLOCK(CPedType::Save);
// Write padding
i = 0;
do {
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;
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}
i++;
} while (i < 4);
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// Write checksum and close
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CFileMgr::Write(file, (const char *) &CheckSum, sizeof(CheckSum));
if (CFileMgr::GetErrorReadWrite(file)) {
PcSaveHelper.nErrorCode = SAVESTATUS_ERR_SAVE_WRITE;
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if (CloseFile(file))
PcSaveHelper.nErrorCode = SAVESTATUS_ERR_SAVE_CLOSE;
return false;
}
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return true;
}
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bool
ReadInSizeofSaveFileBuffer(int32 &file, uint32 &size)
{
file = CFileMgr::OpenFile(LoadFileName, "rb");
if (file == 0) {
PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_OPEN;
return false;
}
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CFileMgr::Read(file, (const char*)&size, sizeof(size));
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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()
{
StillToFadeOut = true;
JustLoadedDontFadeInYet = true;
CTheScripts::Process();
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}
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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;
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buf += sizeof(uint32);
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postsize = buf;
}
void
CopySizeAndPreparePointer(uint8 *&buf, uint8 *&postbuf, uint8 *&postbuf2, uint32 &unused, uint32 &size)
{
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memcpy(buf, &size, sizeof(size));
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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_NONE;
CheckSum = 0;
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uint32 bytes_processed = 0;
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sprintf(filename, "%s%i%s", DefaultPCSaveFileName, slot + 1, ".b");
int file = CFileMgr::OpenFile(filename, "rb");
if (file == 0)
return false;
strcpy(name, filename);
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while (SIZE_OF_ONE_GAME_IN_BYTES - sizeof(uint32) > bytes_processed && blocknum < 40) {
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int32 blocksize;
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if (!ReadDataFromFile(file, (uint8*)&blocksize, sizeof(blocksize))) {
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CloseFile(file);
return false;
}
if (blocksize > align4bytes(sizeof(work_buff)))
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blocksize = sizeof(work_buff) - sizeof(uint32);
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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++;
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bytes_processed++;
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}
if (blocknum == 0)
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memcpy(&level, work_buff+4, sizeof(level));
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blocknum++;
}
int32 _checkSum;
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if (ReadDataFromFile(file, (uint8*)&_checkSum, sizeof(_checkSum))) {
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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;
}
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ReadDataFromFile(file, buf, sizeof(buf));
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if (CFileMgr::GetErrorReadWrite(file)) {
PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_READ;
if (!CloseFile(file))
PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE;
return false;
} else {
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uint8 *_buf = buf + sizeof(int32) + sizeof(wchar[24]) + sizeof(SYSTEMTIME) + sizeof(SIZE_OF_ONE_GAME_IN_BYTES);
ReadDataFromBufferPointer(_buf, CGame::currLevel);
ReadDataFromBufferPointer(_buf, TheCamera.GetPosition().x);
ReadDataFromBufferPointer(_buf, TheCamera.GetPosition().y);
ReadDataFromBufferPointer(_buf, TheCamera.GetPosition().z);
CStreaming::RemoveUnusedBigBuildings(CGame::currLevel);
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CStreaming::RemoveUnusedBuildings(CGame::currLevel);
CCollision::SortOutCollisionAfterLoad();
CStreaming::RequestBigBuildings(CGame::currLevel);
CStreaming::LoadAllRequestedModels(false);
CStreaming::HaveAllBigBuildingsLoaded(CGame::currLevel);
CGame::TidyUpMemory(true, false);
if (CloseFile(file)) {
return true;
} else {
PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE;
return false;
}
}
}
int
align4bytes(int32 size)
{
return (size + 3) & 0xFFFFFFFC;
}
STARTPATCHES
InjectHook(0x58F8D0, GenericSave, PATCH_JUMP);
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//InjectHook(0x590A00, GenericLoad, PATCH_JUMP);
InjectHook(0x591910, ReadInSizeofSaveFileBuffer, PATCH_JUMP);
InjectHook(0x591990, ReadDataFromFile, PATCH_JUMP);
InjectHook(0x591A00, CloseFile, PATCH_JUMP);
InjectHook(0x591A20, DoGameSpecificStuffAfterSucessLoad, PATCH_JUMP);
InjectHook(0x591A40, CheckSlotDataValid, PATCH_JUMP);
InjectHook(0x591A80, MakeSpaceForSizeInBufferPointer, PATCH_JUMP);
InjectHook(0x591AA0, CopySizeAndPreparePointer, PATCH_JUMP);
InjectHook(0x591AE0, DoGameSpecificStuffBeforeSave, PATCH_JUMP);
InjectHook(0x591B10, MakeValidSaveName, PATCH_JUMP);
InjectHook(0x591B50, GetSavedGameDateAndTime, PATCH_JUMP);
InjectHook(0x591B60, GetNameOfSavedGame, PATCH_JUMP);
InjectHook(0x591B70, CheckDataNotCorrupt, PATCH_JUMP);
InjectHook(0x591D60, RestoreForStartLoad, PATCH_JUMP);
InjectHook(0x591E80, align4bytes, PATCH_JUMP);
ENDPATCHES