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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.
*
*/
#include "common/savefile.h"
#include "glk/alan2/acode.h"
#include "glk/alan2/alan2.h"
#include "glk/alan2/saveload.h"
#include "glk/alan2/types.h"
namespace Glk {
namespace Alan2 {
void SaveLoad::save() {
uint i;
Common::SaveFileManager *saveFileMan = _vm->getSaveFileManager();
Common::OutSaveFile *saveFile = nullptr;
Common::String str;
AtrElem *atr;
// TODO
#if 0
frefid_t fref = glk_fileref_create_by_prompt(fileusage_SavedGame, filemode_Write, 0);
if (fref == NULL)
_vm->printError(M_SAVEFAILED);
strcpy(str, garglk_fileref_get_name(fref));
glk_fileref_destroy(fref);
#endif
if (str.empty())
str = _prevSaveName;
_vm->col = 1;
// TODO
#if 0
if ((savfil = fopen(str, READ_MODE)) != NULL)
// It already existed
if (!confirm(M_SAVEOVERWRITE))
_vm->printError(MSGMAX); // Return to player without saying anything
if ((savfil = fopen(str, WRITE_MODE)) == NULL)
_vm->printError(M_SAVEFAILED);
#endif
saveFile = saveFileMan->openForSaving(str);
_prevSaveName = str;
// Save version of interpreter and name of game
saveFile->write(_vm->header->vers, sizeof(Aword));
saveFile->writeString(_gameName);
saveFile->writeByte('\0');
// Save current values
saveFile->write(&_vm->cur, sizeof(_vm->cur));
// Save actors
for (i = ACTMIN; i <= ACTMAX; i++) {
saveFile->writeUint32LE(_actors[i - ACTMIN].loc);
saveFile->writeUint32LE(_actors[i - ACTMIN].script);
saveFile->writeUint32LE(_actors[i - ACTMIN].step);
saveFile->writeUint32LE(_actors[i - ACTMIN].count);
if (_actors[i - ACTMIN].atrs)
for (atr = (AtrElem *)addrTo(_actors[i - ACTMIN].atrs); !endOfTable(atr); atr++)
saveFile->writeUint32LE(atr->val);
}
// Save locations
for (i = LOCMIN; i <= LOCMAX; i++) {
saveFile->writeUint32LE(_locations[i - LOCMIN].describe);
if (_locations[i - LOCMIN].atrs)
for (atr = (AtrElem *)addrTo(_locations[i - LOCMIN].atrs); !endOfTable(atr); atr++)
saveFile->writeUint32LE(atr->val);
}
// Save objects
for (i = OBJMIN; i <= OBJMAX; i++) {
saveFile->writeUint32LE(_objects[i - OBJMIN].loc);
if (_objects[i - OBJMIN].atrs)
for (atr = (AtrElem *)addrTo(_objects[i - OBJMIN].atrs); !endOfTable(atr); atr++)
saveFile->writeUint32LE(atr->val);
}
// Save the event queue
_events[*_eventTop].time = 0; // Mark the top
for (i = 0; i < (uint)*_eventTop + 1; i++)
saveFile->write(&_events[i], sizeof(_events[0]));
// Save scores
for (i = 0; _vm->scores[i] != EOF; i++)
saveFile->writeUint32LE(_vm->scores[i]);
delete saveFile;
}
void SaveLoad::restore() {
uint i;
Common::SaveFileManager *saveFileMan = _vm->getSaveFileManager();
Common::InSaveFile *saveFile = nullptr;
Common::String str;
AtrElem *atr;
char savedVersion[4];
char savedName[256];
// TODO
#if 0
frefid_t fref = glk_fileref_create_by_prompt(fileusage_SavedGame, filemode_Read, 0);
if (fref == NULL)
_vm->printError(M_SAVEFAILED);
strcpy(str, garglk_fileref_get_name(fref));
glk_fileref_destroy(fref);
#endif
_vm->col = 1;
if (str.empty())
str = _prevSaveName; // Use the name temporarily
if ((saveFile = saveFileMan->openForLoading(str)) == nullptr) {
_vm->printError(M_SAVEMISSING);
return;
}
_prevSaveName = str; // Save it for future use
saveFile->read(savedVersion, sizeof(Aword));
// 4f - save file version check doesn't seem to work on PC's!
if (strncmp(savedVersion, _vm->header->vers, 4)) {
delete saveFile;
_vm->printError(M_SAVEVERS);
return;
}
i = 0;
while ((savedName[i++] = saveFile->readByte()) != '\0');
if (savedName != _gameName) {
delete saveFile;
_vm->printError(M_SAVENAME);
return;
}
// Restore current values
saveFile->read(&_vm->cur, sizeof(_vm->cur));
// Restore actors
for (i = ACTMIN; i <= ACTMAX; i++) {
_actors[i - ACTMIN].loc = saveFile->readUint32LE();
_actors[i - ACTMIN].script = saveFile->readUint32LE();
_actors[i - ACTMIN].step = saveFile->readUint32LE();
_actors[i - ACTMIN].count = saveFile->readUint32LE();
if (_actors[i - ACTMIN].atrs)
for (atr = (AtrElem *)addrTo(_actors[i - ACTMIN].atrs); !endOfTable(atr); atr++)
atr->val = saveFile->readUint32LE();
}
// Restore locations
for (i = LOCMIN; i <= LOCMAX; i++) {
_locations[i - LOCMIN].describe = saveFile->readUint32LE();
if (_locations[i - LOCMIN].atrs)
for (atr = (AtrElem *)addrTo(_locations[i - LOCMIN].atrs); !endOfTable(atr); atr++)
atr->val = saveFile->readUint32LE();
}
// Restore objects
for (i = OBJMIN; i <= OBJMAX; i++) {
_objects[i - OBJMIN].loc = saveFile->readUint32LE();
if (_objects[i - OBJMIN].atrs)
for (atr = (AtrElem *)addrTo(_objects[i - OBJMIN].atrs); !endOfTable(atr); atr++)
atr->val = saveFile->readUint32LE();
}
// Restore the event queue
*_eventTop = 0;
do {
saveFile->read(&_events[*_eventTop], sizeof(_events[0]));
(*_eventTop)++;
} while (_events[*_eventTop - 1].time != 0);
(*_eventTop)--;
// Restore scores
for (i = 0; _vm->scores[i] != EOF; i++)
_vm->scores[i] = saveFile->readUint32LE();
delete saveFile;
}
bool SaveLoad::endOfTable(AtrElem *addr) {
Aword *x = (Aword *)addr;
return *x == EOF;
}
} // End of namespace Alan2
} // End of namespace Glk
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