thirdparty/scummvm
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ADL: Add loading from launcher

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This commit is contained in:
Walter van Niftrik 2016-02-29 16:50:24 +01:00
parent 9928e51bd7
commit ba54955bff
7 changed files with 128 additions and 30 deletions
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57
engines/adl/detection.cpp
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@ -20,6 +20,9 @@
*
*/
#include "common/system.h"
#include "common/savefile.h"
#include "engines/advancedDetector.h"
#include "adl/adl.h"
@ -69,9 +72,63 @@ public:
return "Copyright (C) Sierra On-Line";
}
bool hasFeature(MetaEngineFeature f) const;
int getMaximumSaveSlot() const { return 15; }
SaveStateList listSaves(const char *target) const;
bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const;
};
bool AdlMetaEngine::hasFeature(MetaEngineFeature f) const {
switch(f) {
case kSupportsListSaves:
case kSupportsLoadingDuringStartup:
return true;
default:
return false;
}
}
SaveStateList AdlMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::StringArray files = saveFileMan->listSavefiles(Common::String(target) + ".s##");
SaveStateList saveList;
for (uint i = 0; i < files.size(); ++i) {
const Common::String &fileName = files[i];
Common::InSaveFile *inFile = saveFileMan->openForLoading(fileName);
if (!inFile) {
warning("Cannot open save file %s", fileName.c_str());
continue;
}
if (inFile->readUint32BE() != MKTAG('A', 'D', 'L', ':')) {
warning("No header found in '%s'", fileName.c_str());
delete inFile;
continue;
}
byte saveVersion = inFile->readByte();
if (saveVersion != SAVEGAME_VERSION) {
warning("Save game version %i not supported in '%s'", saveVersion, fileName.c_str());
delete inFile;
continue;
}
char name[SAVEGAME_NAME_LEN] = { };
inFile->read(name, sizeof(name) - 1);
delete inFile;
int slotNum = atoi(fileName.c_str() + fileName.size() - 2);
SaveStateDescriptor sd(slotNum, name);
saveList.push_back(sd);
}
// Sort saves based on slot number.
Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
return saveList;
}
bool AdlMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const {
if (gd)
*engine = AdlEngine::create(((const AdlGameDescription *)gd)->gameType, syst, (const AdlGameDescription *)gd);