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SAGA save games now contain thumbnails and creation date/time (visible from the GMM save/load screens)

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svn-id: r34986
This commit is contained in:
Filippos Karapetis 2008-11-10 14:11:30 +00:00
parent 32526079aa
commit 3ccfce260f
3 changed files with 115 additions and 5 deletions
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84
engines/saga/detection.cpp
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@ -32,6 +32,7 @@
#include "common/config-manager.h"
#include "common/advancedDetector.h"
#include "common/system.h"
#include "graphics/thumbnail.h"
#include "saga/animation.h"
#include "saga/displayinfo.h"
@ -153,13 +154,17 @@ public:
virtual SaveStateList listSaves(const char *target) const;
virtual int getMaximumSaveSlot() const;
virtual void removeSaveState(const char *target, int slot) const;
SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
};
bool SagaMetaEngine::hasFeature(MetaEngineFeature f) const {
return
(f == kSupportsListSaves) ||
(f == kSupportsLoadingDuringStartup) ||
(f == kSupportsDeleteSave);
(f == kSupportsDeleteSave) ||
(f == kSavesSupportMetaInfo) ||
(f == kSavesSupportThumbnail) ||
(f == kSavesSupportCreationDate);
}
bool Saga::SagaEngine::hasFeature(EngineFeature f) const {
@ -220,6 +225,83 @@ void SagaMetaEngine::removeSaveState(const char *target, int slot) const {
g_system->getSavefileManager()->removeSavefile(filename.c_str());
}
SaveStateDescriptor SagaMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
static char fileName[MAX_FILE_NAME];
sprintf(fileName, "%s.s%02d", target, slot);
char title[TITLESIZE];
Graphics::Surface *thumbnail;
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(fileName);
if (in) {
uint32 type = in->readUint32BE();
in->readUint32LE(); // size
uint32 version = in->readUint32LE();
char name[SAVE_TITLE_SIZE];
in->read(name, sizeof(name));
SaveStateDescriptor desc(slot, name);
// Some older saves were not written in an endian safe fashion.
// We try to detect this here by checking for extremly high version values.
// If found, we retry with the data swapped.
if (version > 0xFFFFFF) {
warning("This savegame is not endian safe, retrying with the data swapped");
version = SWAP_BYTES_32(version);
}
debug(2, "Save version: %x", version);
if (version < 4)
warning("This savegame is not endian-safe. There may be problems");
if (type != MKID_BE('SAGA')) {
error("SagaEngine::load wrong save game format");
}
if (version > 4) {
in->read(title, TITLESIZE);
debug(0, "Save is for: %s", title);
}
desc.setDeletableFlag(true);
desc.setWriteProtectedFlag(false);
if (version >= 6) {
thumbnail = new Graphics::Surface();
assert(thumbnail);
if (!Graphics::loadThumbnail(*in, *thumbnail)) {
delete thumbnail;
thumbnail = 0;
}
desc.setThumbnail(thumbnail);
uint32 saveDate = in->readUint32BE();
uint16 saveTime = in->readUint16BE();
int day = (saveDate >> 24) & 0xFF;
int month = (saveDate >> 16) & 0xFF;
int year = saveDate & 0xFFFF;
desc.setSaveDate(year, month, day);
int hour = (saveTime >> 8) & 0xFF;
int minutes = saveTime & 0xFF;
desc.setSaveTime(hour, minutes);
// TODO: played time
}
delete in;
return desc;
}
return SaveStateDescriptor();
}
#if PLUGIN_ENABLED_DYNAMIC(SAGA)
REGISTER_PLUGIN_DYNAMIC(SAGA, PLUGIN_TYPE_ENGINE, SagaMetaEngine);
#else