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KINGDOM: Improve savegame support

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Strangerke 2017-07-04 07:47:25 +02:00 • committed by Eugene Sandulenko
parent 557c610138
commit a2fe644845
3 changed files with 86 additions and 8 deletions
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80
engines/kingdom/detection.cpp
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@ -40,6 +40,8 @@ static const PlainGameDescriptor kingdomGames[] = {
namespace Kingdom {
#define MAX_SAVES 99
static const ADGameDescription gameDescriptions[] = {
// Kingdom PC DOS Demo version, provided by Strangerke
{
@ -84,10 +86,20 @@ public:
virtual bool hasFeature(MetaEngineFeature f) const;
virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
virtual int getMaximumSaveSlot() const;
virtual SaveStateList listSaves(const char *target) const;
virtual void removeSaveState(const char *target, int slot) const;
SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
};
bool KingdomMetaEngine::hasFeature(MetaEngineFeature f) const {
return false;
return
(f == kSupportsListSaves) ||
(f == kSupportsLoadingDuringStartup) ||
(f == kSupportsDeleteSave) ||
(f == kSavesSupportMetaInfo) ||
(f == kSavesSupportThumbnail) ||
(f == kSavesSupportCreationDate);
}
bool KingdomMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
@ -97,6 +109,72 @@ bool KingdomMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADG
return desc != nullptr;
}
int KingdomMetaEngine::getMaximumSaveSlot() const {
return MAX_SAVES;
}
SaveStateList KingdomMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::StringArray filenames;
Common::String saveDesc;
Common::String pattern = Common::String::format("%s.0##", target);
filenames = saveFileMan->listSavefiles(pattern);
Kingdom::KingdomSavegameHeader header;
SaveStateList saveList;
for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
const char *ext = strrchr(file->c_str(), '.');
int slot = ext ? atoi(ext + 1) : -1;
if (slot >= 0 && slot < MAX_SAVES) {
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(*file);
if (in) {
if (Kingdom::KingdomGame::readSavegameHeader(in, header)) {
saveList.push_back(SaveStateDescriptor(slot, header._saveName));
header._thumbnail->free();
delete header._thumbnail;
}
delete in;
}
}
}
// Sort saves based on slot number.
Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
return saveList;
}
void KingdomMetaEngine::removeSaveState(const char *target, int slot) const {
Common::String filename = Common::String::format("%s.%03d", target, slot);
g_system->getSavefileManager()->removeSavefile(filename);
}
SaveStateDescriptor KingdomMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::String filename = Common::String::format("%s.%03d", target, slot);
Common::InSaveFile *f = g_system->getSavefileManager()->openForLoading(filename);
if (f) {
Kingdom::KingdomSavegameHeader header;
Kingdom::KingdomGame::readSavegameHeader(f, header);
delete f;
// Create the return descriptor
SaveStateDescriptor desc(slot, header._saveName);
desc.setThumbnail(header._thumbnail);
desc.setSaveDate(header._year, header._month, header._day);
desc.setSaveTime(header._hour, header._minute);
return desc;
}
return SaveStateDescriptor();
}
#if PLUGIN_ENABLED_DYNAMIC(KINGDOM)
REGISTER_PLUGIN_DYNAMIC(KINGDOM, PLUGIN_TYPE_ENGINE, KingdomMetaEngine);
#else