thirdparty/scummvm
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HOPKINS: Beginnings of save/load implementation

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This commit is contained in:
Paul Gilbert 2012-10-27 22:16:54 +11:00
parent 1651bb07d9
commit ec0a33b949
6 changed files with 191 additions and 106 deletions
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98
engines/hopkins/saveload.cpp
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@ -121,7 +121,7 @@ void SaveLoadManager::writeSavegameHeader(Common::OutSaveFile *out, hopkinsSaveg
// Create a thumbnail and save it
Graphics::Surface *thumb = new Graphics::Surface();
// ::createThumbnail(thumb, _vm->_graphicsManager.VESA_SCREEN, SCREEN_WIDTH, SCREEN_HEIGHT, NULL);
createThumbnail(thumb);
Graphics::saveThumbnail(*out, *thumb);
thumb->free();
delete thumb;
@ -137,4 +137,100 @@ void SaveLoadManager::writeSavegameHeader(Common::OutSaveFile *out, hopkinsSaveg
out->writeUint32LE(_vm->_eventsManager._gameCounter);
}
Common::Error SaveLoadManager::save(int slot, const Common::String &saveName) {
// Try and create the save file
Common::OutSaveFile *saveFile = g_system->getSavefileManager()->openForSaving(
_vm->generateSaveName(slot));
if (!saveFile)
return Common::kCreatingFileFailed;
// Set up the serializer
Common::Serializer serializer(NULL, saveFile);
// Write out the savegame header
hopkinsSavegameHeader header;
header.saveName = saveName;
header.version = HOPKINS_SAVEGAME_VERSION;
writeSavegameHeader(saveFile, header);
// Write out the savegame data
syncSavegameData(serializer);
// Save file complete
saveFile->finalize();
delete saveFile;
return Common::kNoError;
}
Common::Error SaveLoadManager::restore(int slot) {
// Try and open the save file for reading
Common::InSaveFile *saveFile = g_system->getSavefileManager()->openForLoading(
_vm->generateSaveName(slot));
if (!saveFile)
return Common::kReadingFailed;
// Set up the serializer
Common::Serializer serializer(saveFile, NULL);
// Read in the savegame header
hopkinsSavegameHeader header;
readSavegameHeader(saveFile, header);
if (header.thumbnail)
header.thumbnail->free();
delete header.thumbnail;
// Read in the savegame data
syncSavegameData(serializer);
// Loading save file complete
delete saveFile;
return Common::kNoError;
}
bool SaveLoadManager::readSavegameHeader(int slot, hopkinsSavegameHeader &header) {
// Try and open the save file for reading
Common::InSaveFile *saveFile = g_system->getSavefileManager()->openForLoading(
g_vm->generateSaveName(slot));
if (!saveFile)
return false;
bool result = readSavegameHeader(saveFile, header);
delete saveFile;
return result;
}
#define REDUCE_AMOUNT 80
void SaveLoadManager::createThumbnail(Graphics::Surface *s) {
int w = _vm->_graphicsManager.Reel_Reduc(SCREEN_WIDTH, REDUCE_AMOUNT);
int h = _vm->_graphicsManager.Reel_Reduc(SCREEN_HEIGHT - 40, REDUCE_AMOUNT);
s->create(w, h, Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0));
_vm->_graphicsManager.Reduc_Ecran(_vm->_graphicsManager.VESA_BUFFER, (byte *)s->pixels,
_vm->_eventsManager.start_x, 20, SCREEN_WIDTH, SCREEN_HEIGHT - 40, 80);
_vm->_graphicsManager.INIT_TABLE(45, 80, _vm->_graphicsManager.Palette);
_vm->_graphicsManager.Trans_bloc2((byte *)s->pixels, _vm->_graphicsManager.TABLE_COUL, 11136);
}
void SaveLoadManager::syncSavegameData(Common::Serializer &s) {
s.syncBytes(&_vm->_globals.SAUVEGARDE->data[0], 0x802);
syncSauvegarde1(s, _vm->_globals.SAUVEGARDE->field360);
syncSauvegarde1(s, _vm->_globals.SAUVEGARDE->field370);
syncSauvegarde1(s, _vm->_globals.SAUVEGARDE->field380);
for (int i = 0; i < 35; ++i)
s.syncAsSint16LE(_vm->_globals.SAUVEGARDE->inventory[i]);
}
void SaveLoadManager::syncSauvegarde1(Common::Serializer &s, Sauvegarde1 &item) {
s.syncAsSint16LE(item.field0);
s.syncAsSint16LE(item.field1);
s.syncAsSint16LE(item.field2);
s.syncAsSint16LE(item.field3);
s.syncAsSint16LE(item.field4);
}
} // End of namespace Hopkins