422 lines
12 KiB
C++
422 lines
12 KiB
C++
#include "common.h"
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#include "main.h"
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#include "patcher.h"
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#include "AudioScriptObject.h"
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#include "Camera.h"
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#include "CarGen.h"
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#include "Cranes.h"
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#include "Clock.h"
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#include "Date.h"
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#include "FileMgr.h"
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#include "GameLogic.h"
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#include "Gangs.h"
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#include "Garages.h"
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#include "GenericGameStorage.h"
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#include "Pad.h"
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#include "ParticleObject.h"
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#include "PathFind.h"
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#include "PCSave.h"
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#include "Phones.h"
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#include "Pickups.h"
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#include "PlayerPed.h"
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#include "Pools.h"
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#include "Radar.h"
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#include "Restart.h"
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#include "Script.h"
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#include "Stats.h"
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#include "Streaming.h"
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#include "Timer.h"
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#include "TimeStep.h"
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#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
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const uint32 SIZE_OF_ONE_GAME_IN_BYTES = 201729;
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char (&DefaultPCSaveFileName)[260] = *(char(*)[260])*(uintptr*)0x8E28C0;
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char (&ValidSaveName)[260] = *(char(*)[260])*(uintptr*)0x8E2CBC;
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char (&LoadFileName)[256] = *(char(*)[256])*(uintptr*)0x9403C4;
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wchar (&SlotFileName)[SLOT_COUNT][260] = *(wchar(*)[SLOT_COUNT][260])*(uintptr*)0x6F07C8;
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wchar (&SlotSaveDate)[SLOT_COUNT][70] = *(wchar(*)[SLOT_COUNT][70])*(uintptr*)0x72B858;
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int &CheckSum = *(int*)0x8E2BE0;
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eLevelName &m_LevelToLoad = *(eLevelName*)0x8E29CC;
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char SaveFileNameJustSaved[260];
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int (&Slots)[SLOT_COUNT+1] = *(int(*)[SLOT_COUNT+1])*(uintptr*)0x72803C;
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CDate &CompileDateAndTime = *(CDate*)0x72BCB8;
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#define ReadDataFromBufferPointer(buf, to) memcpy(&to, buf, sizeof(to)); buf += align4bytes(sizeof(to));
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#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); }
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#define WRITE_BLOCK(save_func)\
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do {\
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buf = work_buff;\
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reserved = 0;\
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MakeSpaceForSizeInBufferPointer(presize, buf, postsize);\
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save_func(buf, &size);\
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CopySizeAndPreparePointer(presize, buf, postsize, reserved, size);\
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if (!PcSaveHelper.PcClassSaveRoutine(file, work_buff, buf - work_buff))\
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return false;\
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totalSize += buf - work_buff;\
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} while (0)
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bool
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GenericSave(int file)
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{
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uint8 *buf, *presize, *postsize;
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uint32 size;
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uint32 reserved;
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uint32 totalSize;
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wchar *lastMissionPassed;
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wchar suffix[6];
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wchar saveName[24];
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SYSTEMTIME saveTime;
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CPad *currPad;
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CheckSum = 0;
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buf = work_buff;
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reserved = 0;
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// Save simple vars
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lastMissionPassed = TheText.Get(CStats::LastMissionPassedName);
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if (*lastMissionPassed) {
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AsciiToUnicode("...'", suffix);
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TextCopy(saveName, lastMissionPassed);
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int len = UnicodeStrlen(saveName);
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saveName[len] = '\0';
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if (len > 22)
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TextCopy(saveName + 18, suffix);
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saveName[23] = '\0';
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}
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WriteDataToBufferPointer(buf, saveName);
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GetLocalTime(&saveTime);
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WriteDataToBufferPointer(buf, saveTime);
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WriteDataToBufferPointer(buf, SIZE_OF_ONE_GAME_IN_BYTES);
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WriteDataToBufferPointer(buf, CGame::currLevel);
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WriteDataToBufferPointer(buf, TheCamera.GetPosition().x);
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WriteDataToBufferPointer(buf, TheCamera.GetPosition().y);
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WriteDataToBufferPointer(buf, TheCamera.GetPosition().z);
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WriteDataToBufferPointer(buf, CClock::ms_nMillisecondsPerGameMinute);
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WriteDataToBufferPointer(buf, CClock::ms_nLastClockTick);
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WriteDataToBufferPointer(buf, CClock::ms_nGameClockHours);
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WriteDataToBufferPointer(buf, CClock::ms_nGameClockMinutes);
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currPad = CPad::GetPad(0);
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WriteDataToBufferPointer(buf, currPad->Mode);
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WriteDataToBufferPointer(buf, CTimer::GetTimeInMilliseconds());
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WriteDataToBufferPointer(buf, CTimer::GetTimeScale());
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WriteDataToBufferPointer(buf, CTimer::GetTimeStep());
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WriteDataToBufferPointer(buf, CTimer::GetTimeStepNonClipped());
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WriteDataToBufferPointer(buf, CTimer::GetFrameCounter());
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WriteDataToBufferPointer(buf, CTimeStep::ms_fTimeStep);
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WriteDataToBufferPointer(buf, CTimeStep::ms_fFramesPerUpdate);
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WriteDataToBufferPointer(buf, CTimeStep::ms_fTimeScale);
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WriteDataToBufferPointer(buf, CWeather::OldWeatherType);
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WriteDataToBufferPointer(buf, CWeather::NewWeatherType);
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WriteDataToBufferPointer(buf, CWeather::ForcedWeatherType);
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WriteDataToBufferPointer(buf, CWeather::InterpolationValue);
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WriteDataToBufferPointer(buf, CompileDateAndTime.m_nSecond);
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WriteDataToBufferPointer(buf, CompileDateAndTime.m_nMinute);
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WriteDataToBufferPointer(buf, CompileDateAndTime.m_nHour);
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WriteDataToBufferPointer(buf, CompileDateAndTime.m_nDay);
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WriteDataToBufferPointer(buf, CompileDateAndTime.m_nMonth);
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WriteDataToBufferPointer(buf, CompileDateAndTime.m_nYear);
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WriteDataToBufferPointer(buf, CWeather::WeatherTypeInList);
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WriteDataToBufferPointer(buf, TheCamera.CarZoomIndicator);
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WriteDataToBufferPointer(buf, TheCamera.PedZoomIndicator);
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assert(buf - work_buff == SIZE_OF_SIMPLEVARS);
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// Save scripts, block is nested within the same block as simple vars for some reason
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presize = buf;
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buf += 4;
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postsize = buf;
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CTheScripts::SaveAllScripts(buf, &size);
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CopySizeAndPreparePointer(presize, buf, postsize, reserved, size);
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if (!PcSaveHelper.PcClassSaveRoutine(file, work_buff, buf - work_buff))
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return false;
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totalSize = buf - work_buff;
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// Save the rest
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WRITE_BLOCK(CPools::SavePedPool);
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WRITE_BLOCK(CGarages::Save);
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WRITE_BLOCK(CPools::SaveVehiclePool);
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WRITE_BLOCK(CPools::SaveObjectPool);
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WRITE_BLOCK(ThePaths.Save);
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WRITE_BLOCK(CCranes::Save);
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WRITE_BLOCK(CPickups::Save);
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WRITE_BLOCK(gPhoneInfo.Save);
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WRITE_BLOCK(CRestart::SaveAllRestartPoints);
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WRITE_BLOCK(CRadar::SaveAllRadarBlips);
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WRITE_BLOCK(CTheZones::SaveAllZones);
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WRITE_BLOCK(CGangs::SaveAllGangData);
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WRITE_BLOCK(CTheCarGenerators::SaveAllCarGenerators);
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WRITE_BLOCK(CParticleObject::SaveParticle);
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WRITE_BLOCK(cAudioScriptObject::SaveAllAudioScriptObjects);
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WRITE_BLOCK(CWorld::Players[CWorld::PlayerInFocus].SavePlayerInfo);
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WRITE_BLOCK(CStats::SaveStats);
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WRITE_BLOCK(CStreaming::MemoryCardSave);
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WRITE_BLOCK(CPedType::Save);
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// Write padding
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for (int i = 0; i < 4; i++) {
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size = align4bytes(SIZE_OF_ONE_GAME_IN_BYTES - totalSize - 4);
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if (size > sizeof(work_buff))
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size = sizeof(work_buff);
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if (size > 4) {
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if (!PcSaveHelper.PcClassSaveRoutine(file, work_buff, size))
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return false;
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totalSize += size;
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}
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}
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// Write checksum and close
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CFileMgr::Write(file, (const char *) &CheckSum, sizeof(CheckSum));
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if (CFileMgr::GetErrorReadWrite(file)) {
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_SAVE_WRITE;
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if (!CloseFile(file))
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_SAVE_CLOSE;
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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
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ReadInSizeofSaveFileBuffer(int32 &file, uint32 &size)
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{
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file = CFileMgr::OpenFile(LoadFileName, "rb");
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if (file == 0) {
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_OPEN;
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return false;
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}
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CFileMgr::Read(file, (const char*)&size, sizeof(size));
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if (CFileMgr::GetErrorReadWrite(file)) {
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_READ;
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if (!CloseFile(file))
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE;
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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
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ReadDataFromFile(int32 file, uint8 *buf, uint32 size)
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{
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if (file == 0) {
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_OPEN;
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return false;
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}
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size_t read_size = CFileMgr::Read(file, (const char*)buf, size);
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if (CFileMgr::GetErrorReadWrite(file) || read_size != size) {
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_READ;
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if (!CloseFile(file))
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE;
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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
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CloseFile(int32 file)
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{
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return CFileMgr::CloseFile(file) == 0;
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}
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void
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DoGameSpecificStuffAfterSucessLoad()
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{
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StillToFadeOut = true;
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JustLoadedDontFadeInYet = true;
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CTheScripts::Process();
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}
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bool
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CheckSlotDataValid(int32 slot)
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{
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PcSaveHelper.nErrorCode = SAVESTATUS_SUCCESSFUL;
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if (CheckDataNotCorrupt(slot, LoadFileName)) {
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CStreaming::DeleteAllRwObjects();
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return true;
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}
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_DATA_INVALID;
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return false;
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}
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void
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MakeSpaceForSizeInBufferPointer(uint8 *&presize, uint8 *&buf, uint8 *&postsize)
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{
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presize = buf;
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buf += sizeof(uint32);
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postsize = buf;
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}
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void
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CopySizeAndPreparePointer(uint8 *&buf, uint8 *&postbuf, uint8 *&postbuf2, uint32 &unused, uint32 &size)
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{
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memcpy(buf, &size, sizeof(size));
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size = align4bytes(size);
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postbuf2 += size;
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postbuf = postbuf2;
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}
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void
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DoGameSpecificStuffBeforeSave()
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{
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CGameLogic::PassTime(360);
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CPlayerPed *ped = FindPlayerPed();
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ped->m_fCurrentStamina = ped->m_fMaxStamina;
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CGame::TidyUpMemory(true, false);
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}
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void
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MakeValidSaveName(int32 slot)
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{
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ValidSaveName[0] = '\0';
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sprintf(ValidSaveName, "%s%i", DefaultPCSaveFileName, slot + 1);
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strncat(ValidSaveName, ".b", 5);
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}
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wchar *
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GetSavedGameDateAndTime(int32 slot)
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{
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return SlotSaveDate[slot];
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}
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wchar *
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GetNameOfSavedGame(int32 slot)
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{
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return SlotFileName[slot];
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}
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bool
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CheckDataNotCorrupt(int32 slot, char *name)
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{
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char filename[100];
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int32 blocknum = 0;
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eLevelName level = LEVEL_NONE;
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CheckSum = 0;
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uint32 bytes_processed = 0;
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sprintf(filename, "%s%i%s", DefaultPCSaveFileName, slot + 1, ".b");
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int file = CFileMgr::OpenFile(filename, "rb");
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if (file == 0)
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return false;
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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);
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return false;
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}
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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))) {
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CloseFile(file);
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return false;
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}
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CheckSum += ((uint8*)&blocksize)[0];
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CheckSum += ((uint8*)&blocksize)[1];
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CheckSum += ((uint8*)&blocksize)[2];
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CheckSum += ((uint8*)&blocksize)[3];
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uint8 *_work_buf = work_buff;
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for (int i = 0; i < align4bytes(blocksize); i++) {
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CheckSum += *_work_buf++;
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bytes_processed++;
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}
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if (blocknum == 0)
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memcpy(&level, work_buff+4, sizeof(level));
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blocknum++;
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}
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int32 _checkSum;
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if (ReadDataFromFile(file, (uint8*)&_checkSum, sizeof(_checkSum))) {
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if (CloseFile(file)) {
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if (CheckSum == _checkSum) {
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m_LevelToLoad = level;
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return true;
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}
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return false;
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}
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return false;
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}
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CloseFile(file);
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return false;
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}
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bool
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RestoreForStartLoad()
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{
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uint8 buf[999];
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int file = CFileMgr::OpenFile(LoadFileName, "rb");
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if (file == 0) {
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_OPEN;
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return false;
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}
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ReadDataFromFile(file, buf, sizeof(buf));
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if (CFileMgr::GetErrorReadWrite(file)) {
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_READ;
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if (!CloseFile(file))
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE;
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return false;
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} else {
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uint8 *_buf = buf + sizeof(int32) + sizeof(wchar[24]) + sizeof(SYSTEMTIME) + sizeof(SIZE_OF_ONE_GAME_IN_BYTES);
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ReadDataFromBufferPointer(_buf, CGame::currLevel);
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ReadDataFromBufferPointer(_buf, TheCamera.GetPosition().x);
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ReadDataFromBufferPointer(_buf, TheCamera.GetPosition().y);
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ReadDataFromBufferPointer(_buf, TheCamera.GetPosition().z);
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CStreaming::RemoveUnusedBigBuildings(CGame::currLevel);
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CStreaming::RemoveUnusedBuildings(CGame::currLevel);
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CCollision::SortOutCollisionAfterLoad();
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CStreaming::RequestBigBuildings(CGame::currLevel);
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CStreaming::LoadAllRequestedModels(false);
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CStreaming::HaveAllBigBuildingsLoaded(CGame::currLevel);
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CGame::TidyUpMemory(true, false);
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if (CloseFile(file)) {
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return true;
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} else {
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PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE;
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return false;
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}
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}
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}
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int
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align4bytes(int32 size)
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{
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return (size + 3) & 0xFFFFFFFC;
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}
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STARTPATCHES
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InjectHook(0x58F8D0, GenericSave, PATCH_JUMP);
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//InjectHook(0x590A00, GenericLoad, PATCH_JUMP);
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InjectHook(0x591910, ReadInSizeofSaveFileBuffer, PATCH_JUMP);
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InjectHook(0x591990, ReadDataFromFile, PATCH_JUMP);
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InjectHook(0x591A00, CloseFile, PATCH_JUMP);
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InjectHook(0x591A20, DoGameSpecificStuffAfterSucessLoad, PATCH_JUMP);
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InjectHook(0x591A40, CheckSlotDataValid, PATCH_JUMP);
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InjectHook(0x591A80, MakeSpaceForSizeInBufferPointer, PATCH_JUMP);
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InjectHook(0x591AA0, CopySizeAndPreparePointer, PATCH_JUMP);
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InjectHook(0x591AE0, DoGameSpecificStuffBeforeSave, PATCH_JUMP);
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InjectHook(0x591B10, MakeValidSaveName, PATCH_JUMP);
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InjectHook(0x591B50, GetSavedGameDateAndTime, PATCH_JUMP);
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InjectHook(0x591B60, GetNameOfSavedGame, PATCH_JUMP);
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InjectHook(0x591B70, CheckDataNotCorrupt, PATCH_JUMP);
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InjectHook(0x591D60, RestoreForStartLoad, PATCH_JUMP);
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InjectHook(0x591E80, align4bytes, PATCH_JUMP);
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ENDPATCHES |