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|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#include "engines/wintermute/dcgf.h"
#include "engines/wintermute/Base/BFileManager.h"
#include "engines/wintermute/Base/BGame.h"
#include "engines/wintermute/Base/BPersistMgr.h"
#include "engines/wintermute/Base/BSaveThumbHelper.h"
#include "engines/wintermute/PlatformSDL.h"
#include "engines/wintermute/math/Vector2.h"
#include "engines/wintermute/utils/StringUtil.h"
#include "engines/wintermute/Base/BImage.h"
#include "engines/wintermute/Base/BSound.h"
#include "graphics/decoders/bmp.h"
#include "common/memstream.h"
#include "common/str.h"
#include "common/system.h"
#include "common/savefile.h"
namespace WinterMute {
#define SAVE_BUFFER_INIT_SIZE 100000
#define SAVE_BUFFER_GROW_BY 50000
#define SAVE_MAGIC 0x45564153
#define SAVE_MAGIC_2 0x32564153
//////////////////////////////////////////////////////////////////////////
CBPersistMgr::CBPersistMgr(CBGame *inGame): CBBase(inGame) {
_saving = false;
// _buffer = NULL;
// _bufferSize = 0;
_offset = 0;
_saveStream = NULL;
_loadStream = NULL;
_richBuffer = NULL;
_richBufferSize = 0;
_savedDescription = NULL;
// _savedTimestamp = 0;
_savedVerMajor = _savedVerMinor = _savedVerBuild = 0;
_savedExtMajor = _savedExtMinor = 0;
_thumbnailDataSize = 0;
_thumbnailData = NULL;
}
//////////////////////////////////////////////////////////////////////////
CBPersistMgr::~CBPersistMgr() {
cleanup();
}
//////////////////////////////////////////////////////////////////////////
void CBPersistMgr::cleanup() {
/* if (_buffer) {
if (_saving) free(_buffer);
else delete [] _buffer; // allocated by file manager
}
_buffer = NULL;
_bufferSize = 0;*/
_offset = 0;
delete[] _richBuffer;
_richBuffer = NULL;
_richBufferSize = 0;
delete[] _savedDescription;
_savedDescription = NULL; // ref to buffer
// _savedTimestamp = 0;
_savedVerMajor = _savedVerMinor = _savedVerBuild = 0;
_savedExtMajor = _savedExtMinor = 0;
_thumbnailDataSize = 0;
if (_thumbnailData) {
delete [] _thumbnailData;
_thumbnailData = NULL;
}
delete _loadStream;
delete _saveStream;
_loadStream = NULL;
_saveStream = NULL;
}
Common::String CBPersistMgr::getFilenameForSlot(int slot) {
// TODO: Temporary solution until I have the namespacing sorted out
return Common::String::format("save%03d.DirtySplitSav", slot);
}
void CBPersistMgr::getSaveStateDesc(int slot, SaveStateDescriptor &desc) {
Common::String filename = getFilenameForSlot(slot);
warning("Trying to list savegame %s in slot %d", filename.c_str(), slot);
if (DID_FAIL(readHeader(filename))) {
warning("getSavedDesc(%d) - Failed for %s", slot, filename.c_str());
return;
}
desc.setSaveSlot(slot);
desc.setDescription(_savedDescription);
desc.setDeletableFlag(true);
desc.setWriteProtectedFlag(false);
if (_thumbnailDataSize > 0) {
Common::MemoryReadStream thumbStream(_thumbnailData, _thumbnailDataSize);
Graphics::BitmapDecoder bmpDecoder;
if (bmpDecoder.loadStream(thumbStream)) {
Graphics::Surface *surf = new Graphics::Surface;
surf = bmpDecoder.getSurface()->convertTo(g_system->getOverlayFormat());
desc.setThumbnail(surf);
}
}
desc.setSaveDate(_savedTimestamp.tm_year, _savedTimestamp.tm_mon, _savedTimestamp.tm_mday);
desc.setSaveTime(_savedTimestamp.tm_hour, _savedTimestamp.tm_min);
desc.setPlayTime(0);
}
void CBPersistMgr::deleteSaveSlot(int slot) {
Common::String filename = getFilenameForSlot(slot);
g_system->getSavefileManager()->removeSavefile(filename);
}
uint32 CBPersistMgr::getMaxUsedSlot() {
Common::StringArray saves = g_system->getSavefileManager()->listSavefiles("save???.DirtySplitSav");
Common::StringArray::iterator it = saves.begin();
int ret = -1;
for (; it != saves.end(); it++) {
int num = -1;
sscanf(it->c_str(), "save%d", &num);
ret = MAX(ret, num);
}
return ret;
}
bool CBPersistMgr::getSaveExists(int slot) {
Common::String filename = getFilenameForSlot(slot);
warning("Trying to list savegame %s in slot %d", filename.c_str(), slot);
if (DID_FAIL(readHeader(filename))) {
return false;
}
return true;
}
//////////////////////////////////////////////////////////////////////////
ERRORCODE CBPersistMgr::initSave(const char *desc) {
if (!desc) return STATUS_FAILED;
cleanup();
_saving = true;
_saveStream = new Common::MemoryWriteStreamDynamic(DisposeAfterUse::YES);
if (_saveStream) {
// get thumbnails
if (!_gameRef->_cachedThumbnail) {
_gameRef->_cachedThumbnail = new CBSaveThumbHelper(_gameRef);
if (DID_FAIL(_gameRef->_cachedThumbnail->storeThumbnail(true))) {
delete _gameRef->_cachedThumbnail;
_gameRef->_cachedThumbnail = NULL;
}
}
uint32 magic = DCGF_MAGIC;
putDWORD(magic);
magic = SAVE_MAGIC_2;
putDWORD(magic);
byte VerMajor, VerMinor, ExtMajor, ExtMinor;
_gameRef->getVersion(&VerMajor, &VerMinor, &ExtMajor, &ExtMinor);
//uint32 Version = MAKELONG(MAKEWORD(VerMajor, VerMinor), MAKEWORD(ExtMajor, ExtMinor));
_saveStream->writeByte(VerMajor);
_saveStream->writeByte(VerMinor);
_saveStream->writeByte(ExtMajor);
_saveStream->writeByte(ExtMinor);
// new in ver 2
putDWORD((uint32)DCGF_VER_BUILD);
putString(_gameRef->_name);
// thumbnail data size
bool thumbnailOK = false;
if (_gameRef->_cachedThumbnail) {
if (_gameRef->_cachedThumbnail->_thumbnail) {
Common::MemoryWriteStreamDynamic thumbStream(DisposeAfterUse::YES);
if (_gameRef->_cachedThumbnail->_thumbnail->writeBMPToStream(&thumbStream)) {
_saveStream->writeUint32LE(thumbStream.size());
_saveStream->write(thumbStream.getData(), thumbStream.size());
} else {
_saveStream->writeUint32LE(0);
}
thumbnailOK = true;
}
}
if (!thumbnailOK) putDWORD(0);
// in any case, destroy the cached thumbnail once used
delete _gameRef->_cachedThumbnail;
_gameRef->_cachedThumbnail = NULL;
uint32 dataOffset = _offset +
sizeof(uint32) + // data offset
sizeof(uint32) + strlen(desc) + 1 + // description
sizeof(uint32); // timestamp
putDWORD(dataOffset);
putString(desc);
g_system->getTimeAndDate(_savedTimestamp);
putTimeDate(_savedTimestamp);
_savedPlayTime = g_system->getMillis();
_saveStream->writeUint32LE(_savedPlayTime);
}
return STATUS_OK;
}
ERRORCODE CBPersistMgr::readHeader(const Common::String &filename) {
cleanup();
_saving = false;
_loadStream = g_system->getSavefileManager()->openForLoading(filename);
//_buffer = _gameRef->_fileManager->readWholeFile(filename, &_bufferSize);
if (_loadStream) {
uint32 magic;
magic = getDWORD();
if (magic != DCGF_MAGIC) {
cleanup();
return STATUS_FAILED;
}
magic = getDWORD();
if (magic == SAVE_MAGIC || magic == SAVE_MAGIC_2) {
_savedVerMajor = _loadStream->readByte();
_savedVerMinor = _loadStream->readByte();
_savedExtMajor = _loadStream->readByte();
_savedExtMinor = _loadStream->readByte();
if (magic == SAVE_MAGIC_2) {
_savedVerBuild = (byte)getDWORD();
_savedName = getStringObj();
// load thumbnail
_thumbnailDataSize = getDWORD();
if (_thumbnailDataSize > 0) {
_thumbnailData = new byte[_thumbnailDataSize];
if (_thumbnailData) {
getBytes(_thumbnailData, _thumbnailDataSize);
} else _thumbnailDataSize = 0;
}
} else _savedVerBuild = 35; // last build with ver1 savegames
uint32 dataOffset = getDWORD();
_savedDescription = getString();
_savedTimestamp = getTimeDate();
_savedPlayTime = _loadStream->readUint32LE();
_offset = dataOffset;
return STATUS_OK;
}
}
cleanup();
return STATUS_FAILED;
}
//////////////////////////////////////////////////////////////////////////
ERRORCODE CBPersistMgr::initLoad(const char *filename) {
if (DID_FAIL(readHeader(filename))) {
cleanup();
return STATUS_FAILED;
}
_saving = false;
if (_savedName == "" || scumm_stricmp(_savedName.c_str(), _gameRef->_name) != 0) {
_gameRef->LOG(0, "ERROR: Saved game name doesn't match current game");
cleanup();
return STATUS_FAILED;
}
// if save is newer version than we are, fail
if (_savedVerMajor > DCGF_VER_MAJOR ||
(_savedVerMajor == DCGF_VER_MAJOR && _savedVerMinor > DCGF_VER_MINOR) ||
(_savedVerMajor == DCGF_VER_MAJOR && _savedVerMinor == DCGF_VER_MINOR && _savedVerBuild > DCGF_VER_BUILD)
) {
_gameRef->LOG(0, "ERROR: Saved game version is newer than current game");
_gameRef->LOG(0, "ERROR: Expected %d.%d.%d got %d.%d.%d", DCGF_VER_MAJOR, DCGF_VER_MINOR, DCGF_VER_BUILD, _savedVerMajor, _savedVerMinor, _savedVerBuild);
cleanup();
return STATUS_FAILED;
}
// if save is older than the minimal version we support
if (_savedVerMajor < SAVEGAME_VER_MAJOR ||
(_savedVerMajor == SAVEGAME_VER_MAJOR && _savedVerMinor < SAVEGAME_VER_MINOR) ||
(_savedVerMajor == SAVEGAME_VER_MAJOR && _savedVerMinor == SAVEGAME_VER_MINOR && _savedVerBuild < SAVEGAME_VER_BUILD)
) {
_gameRef->LOG(0, "ERROR: Saved game is too old and cannot be used by this version of game engine");
_gameRef->LOG(0, "ERROR: Expected %d.%d.%d got %d.%d.%d", DCGF_VER_MAJOR, DCGF_VER_MINOR, DCGF_VER_BUILD, _savedVerMajor, _savedVerMinor, _savedVerBuild);
cleanup();
return STATUS_FAILED;
}
/*
if ( _savedVerMajor != DCGF_VER_MAJOR || _savedVerMinor != DCGF_VER_MINOR)
{
_gameRef->LOG(0, "ERROR: Saved game is created by other WME version");
goto init_fail;
}
*/
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
ERRORCODE CBPersistMgr::saveFile(const char *filename) {
return _gameRef->_fileManager->saveFile(filename, ((Common::MemoryWriteStreamDynamic *)_saveStream)->getData(), ((Common::MemoryWriteStreamDynamic *)_saveStream)->size(), _gameRef->_compressedSavegames, _richBuffer, _richBufferSize);
}
//////////////////////////////////////////////////////////////////////////
ERRORCODE CBPersistMgr::putBytes(byte *buffer, uint32 size) {
_saveStream->write(buffer, size);
if (_saveStream->err())
return STATUS_FAILED;
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
ERRORCODE CBPersistMgr::getBytes(byte *buffer, uint32 size) {
_loadStream->read(buffer, size);
if (_loadStream->err())
return STATUS_FAILED;
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
void CBPersistMgr::putDWORD(uint32 val) {
_saveStream->writeUint32LE(val);
}
//////////////////////////////////////////////////////////////////////////
uint32 CBPersistMgr::getDWORD() {
uint32 ret = _loadStream->readUint32LE();
return ret;
}
//////////////////////////////////////////////////////////////////////////
void CBPersistMgr::putString(const Common::String &val) {
if (!val.size()) putString("(null)");
else {
_saveStream->writeUint32LE(val.size());
_saveStream->writeString(val);
}
}
Common::String CBPersistMgr::getStringObj() {
uint32 len = _loadStream->readUint32LE();
char *ret = new char[len + 1];
_loadStream->read(ret, len);
ret[len] = '\0';
delete[] ret;
Common::String retString = ret;
if (retString == "(null)") {
retString = "";
}
return retString;
}
//////////////////////////////////////////////////////////////////////////
char *CBPersistMgr::getString() {
uint32 len = _loadStream->readUint32LE();
char *ret = new char[len + 1];
_loadStream->read(ret, len);
ret[len] = '\0';
if (!strcmp(ret, "(null)")) {
delete[] ret;
return NULL;
} else return ret;
}
ERRORCODE CBPersistMgr::putTimeDate(const TimeDate &t) {
_saveStream->writeSint32LE(t.tm_sec);
_saveStream->writeSint32LE(t.tm_min);
_saveStream->writeSint32LE(t.tm_hour);
_saveStream->writeSint32LE(t.tm_mday);
_saveStream->writeSint32LE(t.tm_mon);
_saveStream->writeSint32LE(t.tm_year);
// _saveStream->writeSint32LE(t.tm_wday); //TODO: Add this in when merging next
if (_saveStream->err()) {
return STATUS_FAILED;
}
return STATUS_OK;
}
TimeDate CBPersistMgr::getTimeDate() {
TimeDate t;
t.tm_sec = _loadStream->readSint32LE();
t.tm_min = _loadStream->readSint32LE();
t.tm_hour = _loadStream->readSint32LE();
t.tm_mday = _loadStream->readSint32LE();
t.tm_mon = _loadStream->readSint32LE();
t.tm_year = _loadStream->readSint32LE();
// t.tm_wday = _loadStream->readSint32LE(); //TODO: Add this in when merging next
return t;
}
void CBPersistMgr::putFloat(float val) {
Common::String str = Common::String::format("F%f", val);
_saveStream->writeUint32LE(str.size());
_saveStream->writeString(str);
}
float CBPersistMgr::getFloat() {
char *str = getString();
float value = 0.0f;
int ret = sscanf(str, "F%f", &value);
if (ret != 1) {
warning("%s not parsed as float", str);
}
delete[] str;
return value;
}
void CBPersistMgr::putDouble(double val) {
Common::String str = Common::String::format("F%f", val);
str.format("D%f", val);
_saveStream->writeUint32LE(str.size());
_saveStream->writeString(str);
}
double CBPersistMgr::getDouble() {
char *str = getString();
double value = 0.0f;
int ret = sscanf(str, "F%f", &value);
if (ret != 1) {
warning("%s not parsed as float", str);
}
delete[] str;
return value;
}
//////////////////////////////////////////////////////////////////////////
// bool
ERRORCODE CBPersistMgr::transfer(const char *name, bool *val) {
if (_saving) {
_saveStream->writeByte(*val);
if (_saveStream->err())
return STATUS_FAILED;
return STATUS_OK;
} else {
*val = _loadStream->readByte();
if (_loadStream->err())
return STATUS_FAILED;
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
// int
ERRORCODE CBPersistMgr::transfer(const char *name, int *val) {
if (_saving) {
_saveStream->writeSint32LE(*val);
if (_saveStream->err())
return STATUS_FAILED;
return STATUS_OK;
} else {
*val = _loadStream->readSint32LE();
if (_loadStream->err())
return STATUS_FAILED;
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
// DWORD
ERRORCODE CBPersistMgr::transfer(const char *name, uint32 *val) {
if (_saving) {
_saveStream->writeUint32LE(*val);
if (_saveStream->err())
return STATUS_FAILED;
return STATUS_OK;
} else {
*val = _loadStream->readUint32LE();
if (_loadStream->err())
return STATUS_FAILED;
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
// float
ERRORCODE CBPersistMgr::transfer(const char *name, float *val) {
if (_saving) {
putFloat(*val);
if (_saveStream->err())
return STATUS_FAILED;
return STATUS_OK;
} else {
*val = getFloat();
if (_loadStream->err())
return STATUS_FAILED;
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
// double
ERRORCODE CBPersistMgr::transfer(const char *name, double *val) {
if (_saving) {
putDouble(*val);
if (_saveStream->err())
return STATUS_FAILED;
return STATUS_OK;
} else {
*val = getDouble();
if (_loadStream->err())
return STATUS_FAILED;
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
// char*
ERRORCODE CBPersistMgr::transfer(const char *name, char **val) {
if (_saving) {
putString(*val);
return STATUS_OK;
} else {
char *str = getString();
if (_loadStream->err()) {
delete[] str;
return STATUS_FAILED;
}
*val = str;
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
// const char*
ERRORCODE CBPersistMgr::transfer(const char *name, const char **val) {
if (_saving) {
putString(*val);
return STATUS_OK;
} else {
char *str = getString();
if (_loadStream->err()) {
delete[] str;
return STATUS_FAILED;
}
*val = str;
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
// Common::String
ERRORCODE CBPersistMgr::transfer(const char *name, Common::String *val) {
if (_saving) {
putString(*val);
return STATUS_OK;
} else {
char *str = getString();
if (_loadStream->err()) {
delete[] str;
return STATUS_FAILED;
}
if (str) {
*val = str;
delete[] str;
} else {
*val = "";
}
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
ERRORCODE CBPersistMgr::transfer(const char *name, AnsiStringArray &val) {
size_t size;
if (_saving) {
size = val.size();
_saveStream->writeUint32LE(size);
for (AnsiStringArray::iterator it = val.begin(); it != val.end(); ++it) {
putString((*it).c_str());
}
} else {
val.clear();
size = _loadStream->readUint32LE();
for (size_t i = 0; i < size; i++) {
char *str = getString();
if (_loadStream->err()) {
delete[] str;
return STATUS_FAILED;
}
if (str) val.push_back(str);
delete[] str;
}
}
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// BYTE
ERRORCODE CBPersistMgr::transfer(const char *name, byte *val) {
if (_saving) {
_saveStream->writeByte(*val);
if (_saveStream->err())
return STATUS_FAILED;
return STATUS_OK;
} else {
*val = _loadStream->readByte();
if (_loadStream->err())
return STATUS_FAILED;
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
// RECT
ERRORCODE CBPersistMgr::transfer(const char *name, Rect32 *val) {
if (_saving) {
_saveStream->writeSint32LE(val->left);
_saveStream->writeSint32LE(val->top);
_saveStream->writeSint32LE(val->right);
_saveStream->writeSint32LE(val->bottom);
if (_saveStream->err())
return STATUS_FAILED;
return STATUS_OK;
} else {
val->left = _loadStream->readSint32LE();
val->top = _loadStream->readSint32LE();
val->right = _loadStream->readSint32LE();
val->bottom = _loadStream->readSint32LE();
if (_loadStream->err())
return STATUS_FAILED;
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
// POINT
ERRORCODE CBPersistMgr::transfer(const char *name, Point32 *val) {
if (_saving) {
_saveStream->writeSint32LE(val->x);
_saveStream->writeSint32LE(val->y);
if (_saveStream->err())
return STATUS_FAILED;
return STATUS_OK;
} else {
val->x = _loadStream->readSint32LE();
val->y = _loadStream->readSint32LE();
if (_loadStream->err())
return STATUS_FAILED;
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
// Vector2
ERRORCODE CBPersistMgr::transfer(const char *name, Vector2 *val) {
if (_saving) {
putFloat(val->x);
putFloat(val->y);
if (_saveStream->err())
return STATUS_FAILED;
return STATUS_OK;
} else {
val->x = getFloat();
val->y = getFloat();
if (_loadStream->err())
return STATUS_FAILED;
return STATUS_OK;
}
}
//////////////////////////////////////////////////////////////////////////
// generic pointer
ERRORCODE CBPersistMgr::transfer(const char *name, void *val) {
int classID = -1, instanceID = -1;
if (_saving) {
CSysClassRegistry::getInstance()->getPointerID(*(void **)val, &classID, &instanceID);
if (*(void **)val != NULL && (classID == -1 || instanceID == -1)) {
_gameRef->LOG(0, "Warning: invalid instance '%s'", name);
}
_saveStream->writeUint32LE(classID);
_saveStream->writeUint32LE(instanceID);
} else {
classID = _loadStream->readUint32LE();
instanceID = _loadStream->readUint32LE();
*(void **)val = CSysClassRegistry::getInstance()->idToPointer(classID, instanceID);
}
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool CBPersistMgr::checkVersion(byte verMajor, byte verMinor, byte verBuild) {
if (_saving) return true;
// it's ok if we are same or newer than the saved game
if (verMajor > _savedVerMajor ||
(verMajor == _savedVerMajor && verMinor > _savedVerMinor) ||
(verMajor == _savedVerMajor && verMinor == _savedVerMinor && verBuild > _savedVerBuild)
) return false;
return true;
}
} // end of namespace WinterMute
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