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sizeofs n stuff

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This commit is contained in:
Sergeanur 2020-01-31 10:12:36 +02:00
parent c6b6e9d0df
commit 3c550eb679
2 changed files with 31 additions and 19 deletions
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31
src/save/GenericGameStorage.cpp
View file

@ -15,6 +15,7 @@
#include "Streaming.h" #include "Streaming.h"
#include "World.h" #include "World.h"
const int SIZE_OF_ONE_GAME_IN_BYTES = 201729;
char (&DefaultPCSaveFileName)[260] = *(char(*)[260])*(uintptr*)0x8E28C0; char (&DefaultPCSaveFileName)[260] = *(char(*)[260])*(uintptr*)0x8E28C0;
char (&ValidSaveName)[260] = *(char(*)[260])*(uintptr*)0x8E2CBC; char (&ValidSaveName)[260] = *(char(*)[260])*(uintptr*)0x8E2CBC;
@ -29,6 +30,9 @@ CDate &CompileDateAndTime = *(CDate*)0x72BCB8;
C_PcSave &PcSaveHelper = *(C_PcSave*)0x8E2C60; C_PcSave &PcSaveHelper = *(C_PcSave*)0x8E2C60;
#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));
WRAPPER bool GenericSave(int file) { EAXJMP(0x58F8D0); } WRAPPER bool GenericSave(int file) { EAXJMP(0x58F8D0); }
WRAPPER bool GenericLoad() { EAXJMP(0x590A00); } WRAPPER bool GenericLoad() { EAXJMP(0x590A00); }
@ -40,7 +44,7 @@ ReadInSizeofSaveFileBuffer(int32 &file, uint32 &size)
PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_OPEN; PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_OPEN;
return false; return false;
} }
CFileMgr::Read(file, (const char*)&size, 4); CFileMgr::Read(file, (const char*)&size, sizeof(size));
if (CFileMgr::GetErrorReadWrite(file)) { if (CFileMgr::GetErrorReadWrite(file)) {
PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_READ; PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_READ;
if (!CloseFile(file)) if (!CloseFile(file))
@ -98,14 +102,14 @@ void
MakeSpaceForSizeInBufferPointer(uint8 *&presize, uint8 *&buf, uint8 *&postsize) MakeSpaceForSizeInBufferPointer(uint8 *&presize, uint8 *&buf, uint8 *&postsize)
{ {
presize = buf; presize = buf;
buf += 4; buf += sizeof(uint32);
postsize = buf; postsize = buf;
} }
void void
CopySizeAndPreparePointer(uint8 *&buf, uint8 *&postbuf, uint8 *&postbuf2, uint32 &unused, uint32 &size) CopySizeAndPreparePointer(uint8 *&buf, uint8 *&postbuf, uint8 *&postbuf2, uint32 &unused, uint32 &size)
{ {
*(uint32*)buf = size; memcpy(buf, &size, sizeof(size));
size = align4bytes(size); size = align4bytes(size);
postbuf2 += size; postbuf2 += size;
postbuf = postbuf2; postbuf = postbuf2;
@ -155,14 +159,14 @@ CheckDataNotCorrupt(int32 slot, char *name)
if (file == 0) if (file == 0)
return false; return false;
strcpy(name, filename); strcpy(name, filename);
while (201729 - bytes_pocessed > 4 && blocknum < 40) { while (SIZE_OF_ONE_GAME_IN_BYTES - sizeof(uint32) - bytes_pocessed > 0 && blocknum < 40) {
int32 blocksize; int32 blocksize;
if (!ReadDataFromFile(file, (uint8*)&blocksize, 4)) { if (!ReadDataFromFile(file, (uint8*)&blocksize, sizeof(blocksize))) {
CloseFile(file); CloseFile(file);
return false; return false;
} }
if (blocksize > align4bytes(sizeof(work_buff))) if (blocksize > align4bytes(sizeof(work_buff)))
blocksize = sizeof(work_buff) - 4; blocksize = sizeof(work_buff) - sizeof(uint32);
if (!ReadDataFromFile(file, work_buff, align4bytes(blocksize))) { if (!ReadDataFromFile(file, work_buff, align4bytes(blocksize))) {
CloseFile(file); CloseFile(file);
return false; return false;
@ -179,11 +183,11 @@ CheckDataNotCorrupt(int32 slot, char *name)
} }
if (blocknum == 0) if (blocknum == 0)
level = *(eLevelName*)&work_buff[4]; memcpy(&level, work_buff+4, sizeof(level));
blocknum++; blocknum++;
} }
int32 _checkSum; int32 _checkSum;
if (ReadDataFromFile(file, (uint8*)&_checkSum, 4)) { if (ReadDataFromFile(file, (uint8*)&_checkSum, sizeof(_checkSum))) {
if (CloseFile(file)) { if (CloseFile(file)) {
if (CheckSum == _checkSum) { if (CheckSum == _checkSum) {
m_LevelToLoad = level; m_LevelToLoad = level;
@ -208,16 +212,19 @@ RestoreForStartLoad()
PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_OPEN; PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_OPEN;
return false; return false;
} }
ReadDataFromFile(file, buf, 999); ReadDataFromFile(file, buf, sizeof(buf));
if (CFileMgr::GetErrorReadWrite(file)) { if (CFileMgr::GetErrorReadWrite(file)) {
PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_READ; PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_READ;
if (!CloseFile(file)) if (!CloseFile(file))
PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE; PcSaveHelper.nErrorCode = SAVESTATUS_ERR_LOAD_CLOSE;
return false; return false;
} else { } else {
CGame::currLevel = *(eLevelName*)&buf[72]; uint8 *_buf = buf + sizeof(int32) + sizeof(wchar[24]) + sizeof(SYSTEMTIME) + sizeof(SIZE_OF_ONE_GAME_IN_BYTES);
TheCamera.GetPosition() = *(CVector*)&buf[76]; ReadDataFromBufferPointer(_buf, CGame::currLevel);
CStreaming::RemoveUnusedBigBuildings(*(eLevelName*)&buf[72]); ReadDataFromBufferPointer(_buf, TheCamera.GetPosition().x);
ReadDataFromBufferPointer(_buf, TheCamera.GetPosition().y);
ReadDataFromBufferPointer(_buf, TheCamera.GetPosition().z);
CStreaming::RemoveUnusedBigBuildings(CGame::currLevel);
CStreaming::RemoveUnusedBuildings(CGame::currLevel); CStreaming::RemoveUnusedBuildings(CGame::currLevel);
CCollision::SortOutCollisionAfterLoad(); CCollision::SortOutCollisionAfterLoad();
CStreaming::RequestBigBuildings(CGame::currLevel); CStreaming::RequestBigBuildings(CGame::currLevel);

19
src/save/PCSave.cpp
View file

@ -50,7 +50,7 @@ C_PcSave::SaveSlot(int32 slot)
bool bool
C_PcSave::PcClassSaveRoutine(int32 file, uint8 *data, uint32 size) C_PcSave::PcClassSaveRoutine(int32 file, uint8 *data, uint32 size)
{ {
CFileMgr::Write(file, (const char*)&size, 4); CFileMgr::Write(file, (const char*)&size, sizeof(size));
if (CFileMgr::GetErrorReadWrite(file)) { if (CFileMgr::GetErrorReadWrite(file)) {
nErrorCode = SAVESTATUS_ERR_SAVE_WRITE; nErrorCode = SAVESTATUS_ERR_SAVE_WRITE;
strncpy(SaveFileNameJustSaved, ValidSaveName, 259); strncpy(SaveFileNameJustSaved, ValidSaveName, 259);
@ -84,14 +84,18 @@ C_PcSave::PopulateSlotInfo()
} }
for (int i = 0; i < SLOT_COUNT; i++) { for (int i = 0; i < SLOT_COUNT; i++) {
char savename[52]; char savename[52];
int8 data[68]; struct {
int size;
wchar FileName[24];
_SYSTEMTIME SaveDateTime;
} header;
sprintf(savename, "%s%i%s", DefaultPCSaveFileName, i + 1, ".b"); sprintf(savename, "%s%i%s", DefaultPCSaveFileName, i + 1, ".b");
int file = CFileMgr::OpenFile(savename, "rb"); int file = CFileMgr::OpenFile(savename, "rb");
if (file != 0) { if (file != 0) {
CFileMgr::Read(file, (char*)data, 68); CFileMgr::Read(file, (char*)&header, sizeof(header));
if (strncmp((char*)data, TopLineEmptyFile, sizeof(TopLineEmptyFile)-1)) { if (strncmp((char*)&header, TopLineEmptyFile, sizeof(TopLineEmptyFile)-1) != 0) {
Slots[i + 1] = SLOT_OK; Slots[i + 1] = SLOT_OK;
memcpy(SlotFileName[i], &data[4], 24 * sizeof(wchar)); memcpy(SlotFileName[i], &header.FileName, sizeof(header.FileName));
SlotFileName[i][24] = '\0'; SlotFileName[i][24] = '\0';
} }
@ -99,9 +103,10 @@ C_PcSave::PopulateSlotInfo()
} }
if (Slots[i + 1] == SLOT_OK) { if (Slots[i + 1] == SLOT_OK) {
if (CheckDataNotCorrupt(i, savename)) { if (CheckDataNotCorrupt(i, savename)) {
_SYSTEMTIME st = *(_SYSTEMTIME*)&data[52]; _SYSTEMTIME st;
memcpy(&st, &header.SaveDateTime, sizeof(_SYSTEMTIME));
const char *month; const char *month;
switch (*(uint16*)&data[54]) switch (st.wMonth)
{ {
case 1: month = "JAN"; break; case 1: month = "JAN"; break;
case 2: month = "FEB"; break; case 2: month = "FEB"; break;