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SWORD25: Implemented thumbnail loading for savegame list

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svn-id: r53374
This commit is contained in:
Paul Gilbert 2010-09-20 09:38:53 +00:00 committed by Eugene Sandulenko
parent 80521ed5dd
commit 3e84d4fe73
2 changed files with 48 additions and 17 deletions
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40
engines/sword25/gfx/image/b25sloader.cpp
View File

@ -46,30 +46,36 @@ namespace Sword25 {
// -----------------------------------------------------------------------------
namespace {
static Common::String LoadString(Common::ReadStream &In, uint MaxSize = 999) {
Common::String Result;
char ch = (char)In.readByte();
while ((ch != '\0') && (ch != ' ')) {
Result += ch;
if (Result.size() >= MaxSize) break;
ch = (char)In.readByte();
}
return Result;
}
uint FindEmbeddedPNG(const byte *FileDataPtr, uint FileSize) {
if (memcmp(FileDataPtr, "BS25SAVEGAME", 12))
return 0;
#if 0
// Einen Stringstream mit dem Anfang der Datei intialisieren. 512 Byte sollten hierfür genügen.
istringstream StringStream(string(FileDataPtr, FileDataPtr + min(static_cast<uint>(512), FileSize)));
// Read in the header
Common::MemoryReadStream stream(FileDataPtr, FileSize);
// Headerinformationen der Spielstandes einlesen.
string Marker, VersionID;
uint CompressedGamedataSize, UncompressedGamedataSize;
StringStream >> Marker >> VersionID >> CompressedGamedataSize >> UncompressedGamedataSize;
if (!StringStream.good()) return 0;
uint compressedGamedataSize;
LoadString(stream);
LoadString(stream);
Common::String gameSize = LoadString(stream);
compressedGamedataSize = atoi(gameSize.c_str());
LoadString(stream);
// Testen, ob wir tatsächlich einen Spielstand haben.
if (Marker == "BS25SAVEGAME") {
// Offset zum PNG innerhalb des Spielstandes berechnen und zurückgeben.
return static_cast<uint>(StringStream.tellg()) + CompressedGamedataSize + 1;
}
#else
warning("STUB:FindEmbeddedPNG()");
#endif
return 0;
// Return the offset of where the thumbnail starts
return static_cast<uint>(stream.pos() + compressedGamedataSize);
}
}

25
engines/sword25/package/packagemanager.cpp
View File

@ -36,8 +36,11 @@
#include "common/archive.h"
#include "common/config-manager.h"
#include "common/savefile.h"
#include "common/str-array.h"
#include "common/system.h"
#include "common/unzip.h"
#include "sword25/kernel/filesystemutil.h"
#include "sword25/package/packagemanager.h"
namespace Sword25 {
@ -142,7 +145,29 @@ bool PackageManager::LoadDirectoryAsPackage(const Common::String &directoryName,
}
byte *PackageManager::GetFile(const Common::String &fileName, uint *fileSizePtr) {
const Common::String B25S_EXTENSION(".b25s");
Common::SeekableReadStream *in;
if (fileName.hasSuffix(B25S_EXTENSION)) {
// Savegame loading logic
Common::SaveFileManager *sfm = g_system->getSavefileManager();
Common::InSaveFile *file = sfm->openForLoading(
FileSystemUtil::GetInstance().GetPathFilename(fileName));
if (!file) {
BS_LOG_ERRORLN("Could not load savegame \"%s\".", fileName.c_str());
return 0;
}
if (*fileSizePtr)
*fileSizePtr = file->size();
byte *buffer = new byte[file->size()];
file->read(buffer, file->size());
delete file;
return buffer;
}
Common::ArchiveMemberPtr fileNode = GetArchiveMember(normalizePath(fileName, _currentDirectory));
if (!fileNode)
return 0;