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use common savefilemanager for savegame.cpp code

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This commit is contained in:
Pawel Kolodziejski 2008-07-20 15:53:14 +00:00
parent 75b5914994
commit 66cab4a352
2 changed files with 35 additions and 29 deletions
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57
engine/savegame.cpp
View File

@ -38,27 +38,24 @@ Common::SaveFileManager *g_saveFileMan;
SaveGame::SaveGame(const char *filename, bool saving) :
_saving(saving), _currentSection(0) {
if (_saving) {
uint32 tag = SAVEGAME_HEADERTAG;
uint32 version = SAVEGAME_VERSION;
_fileHandle = gzopen(filename, "wb");
if (_fileHandle == NULL) {
_outSaveFile = g_saveFileMan->openForSaving(filename);
if (!_outSaveFile) {
warning("SaveGame::SaveGame() Error creating savegame file");
return;
}
gzwrite(_fileHandle, &tag, 4);
gzwrite(_fileHandle, &version, 4);
_outSaveFile->writeUint32LE(SAVEGAME_HEADERTAG);
_outSaveFile->writeUint32LE(SAVEGAME_VERSION);
} else {
uint32 tag, version;
_fileHandle = gzopen(filename, "rb");
if (_fileHandle == NULL) {
_inSaveFile = g_saveFileMan->openForLoading(filename);
if (!_inSaveFile) {
warning("SaveGame::SaveGame() Error opening savegame file");
return;
}
gzread(_fileHandle, &tag, 4);
tag = _inSaveFile->readUint32LE();
assert(tag == SAVEGAME_HEADERTAG);
gzread(_fileHandle, &version, 4);
version = _inSaveFile->readUint32LE();
assert(version == SAVEGAME_VERSION);
}
}
@ -66,8 +63,14 @@ SaveGame::SaveGame(const char *filename, bool saving) :
SaveGame::~SaveGame() {
uint32 tag = SAVEGAME_FOOTERTAG;
gzwrite(_fileHandle, &tag, 4);
gzclose(_fileHandle);
if (_saving) {
_outSaveFile->writeUint32LE(SAVEGAME_FOOTERTAG);
_outSaveFile->finalize();
if (_outSaveFile->ioFailed())
warning("SaveGame::~SaveGame()Can't write file. (Disk full?)");
delete _outSaveFile;
} else
delete _inSaveFile;
}
uint32 SaveGame::beginSection(uint32 sectionTag) {
@ -75,18 +78,18 @@ uint32 SaveGame::beginSection(uint32 sectionTag) {
error("Tried to begin a new save game section with ending old section!");
_currentSection = sectionTag;
_sectionSize = 0;
_sectionBuffer = new char[_sectionSize];
_sectionBuffer = (byte *)malloc(_sectionSize);
if (!_saving) {
uint32 tag = 0;
while (tag != sectionTag) {
delete[] _sectionBuffer;
gzread(_fileHandle, &tag, sizeof(uint32));
free(_sectionBuffer);
tag = _inSaveFile->readUint32LE();
if (tag == SAVEGAME_FOOTERTAG)
error("Unable to find requested section of savegame!");
gzread(_fileHandle, &_sectionSize, sizeof(uint32));
_sectionBuffer = new char[_sectionSize];
gzread(_fileHandle, _sectionBuffer, _sectionSize);
_sectionSize = _inSaveFile->readUint32LE();
_sectionBuffer = (byte *)malloc(_sectionSize);
_inSaveFile->read(_sectionBuffer, _sectionSize);
}
}
_sectionPtr = 0;
@ -96,12 +99,12 @@ uint32 SaveGame::beginSection(uint32 sectionTag) {
void SaveGame::endSection() {
if (_currentSection == 0)
error("Tried to end a save game section without starting a section!");
if(_saving) {
gzwrite(_fileHandle, &_currentSection, sizeof(uint32));
gzwrite(_fileHandle, &_sectionSize, sizeof(uint32));
gzwrite(_fileHandle, _sectionBuffer, _sectionSize);
if (_saving) {
_outSaveFile->writeUint32LE(_currentSection);
_outSaveFile->writeUint32LE(_sectionSize);
_outSaveFile->write(_sectionBuffer, _sectionSize);
}
delete[] _sectionBuffer;
free(_sectionBuffer);
_sectionBuffer = NULL;
_currentSection = 0;
}
@ -120,8 +123,8 @@ void SaveGame::write(const void *data, int size) {
error("SaveGame::writeBlock called when restoring a savegame!");
if (_currentSection == 0)
error("Tried to write a block without starting a section!");
_sectionBuffer = (char *)realloc(_sectionBuffer, _sectionSize + size);
if (_sectionBuffer == NULL)
_sectionBuffer = (byte *)realloc(_sectionBuffer, _sectionSize + size);
if (!_sectionBuffer)
error("Failed to allocate space for buffer!");
memcpy(&_sectionBuffer[_sectionSize], data, size);
_sectionSize += size;

7
engine/savegame.h
View File

@ -38,6 +38,8 @@
namespace Common {
class SaveFileManager;
class InSaveFile;
class OutSaveFile;
}
extern Common::SaveFileManager *g_saveFileMan;
@ -54,11 +56,12 @@ public:
protected:
bool _saving;
gzFile _fileHandle;
Common::InSaveFile *_inSaveFile;
Common::OutSaveFile *_outSaveFile;
uint32 _currentSection;
uint32 _sectionSize;
uint32 _sectionPtr;
char *_sectionBuffer;
byte *_sectionBuffer;
};
#endif