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GOB: Implement Urban Runner autosave

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Makes the "Try again" after a death work

svn-id: r55293
This commit is contained in:
Sven Hesse 2011-01-18 09:27:32 +00:00
parent 4413754ad2
commit efe0dea82c
2 changed files with 123 additions and 3 deletions
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21
engines/gob/save/saveload.h
View File

@ -517,9 +517,30 @@ protected:
void refreshProps();
};
/** Handles the autosave. */
class AutoHandler : public SaveHandler {
public:
AutoHandler(GobEngine *vm, const Common::String &target);
~AutoHandler();
int32 getSize();
bool load(int16 dataVar, int32 size, int32 offset);
bool save(int16 dataVar, int32 size, int32 offset);
private:
class File : public SlotFileStatic {
public:
File(GobEngine *vm, const Common::String &base);
~File();
};
File _file;
};
static SaveFile _saveFiles[];
GameHandler *_gameHandler;
AutoHandler *_autoHandler;
SaveHandler *getHandler(const char *fileName) const;
const char *getDescription(const char *fileName) const;

105
engines/gob/save/saveload_v6.cpp
View File

@ -31,9 +31,10 @@
namespace Gob {
SaveLoad_v6::SaveFile SaveLoad_v6::_saveFiles[] = {
{ "cat.inf", kSaveModeSave, 0, "savegame"}, // Save file
{ "mdo.def", kSaveModeExists, 0, 0},
{"no_cd.txt", kSaveModeExists, 0, 0},
{ "cat.inf" , kSaveModeSave, 0, "savegame"}, // Save file
{ "cata1.inf", kSaveModeSave, 0, "autosave"}, // Autosave file
{ "mdo.def" , kSaveModeExists, 0, 0},
{"no_cd.txt" , kSaveModeExists, 0, 0},
};
@ -275,15 +276,113 @@ void SaveLoad_v6::GameHandler::refreshProps() {
}
SaveLoad_v6::AutoHandler::File::File(GobEngine *vm, const Common::String &base) :
SlotFileStatic(vm, base, "aut") {
}
SaveLoad_v6::AutoHandler::File::~File() {
}
SaveLoad_v6::AutoHandler::AutoHandler(GobEngine *vm, const Common::String &target) :
SaveHandler(vm), _file(vm, target) {
}
SaveLoad_v6::AutoHandler::~AutoHandler() {
}
int32 SaveLoad_v6::AutoHandler::getSize() {
Common::String fileName = _file.build();
if (fileName.empty())
return -1;
SaveReader reader(1, 0, fileName);
SaveHeader header;
if (!reader.load())
return -1;
if (!reader.readPartHeader(0, &header))
return -1;
// Return the part's size
return header.getSize() + 2900;
}
bool SaveLoad_v6::AutoHandler::load(int16 dataVar, int32 size, int32 offset) {
uint32 varSize = SaveHandler::getVarSize(_vm);
if (varSize == 0)
return false;
if ((size != 0) || (offset != 2900)) {
warning("Invalid autoloading procedure (%d, %d, %d)", dataVar, size, offset);
return false;
}
Common::String fileName = _file.build();
if (fileName.empty())
return false;
SaveReader reader(1, 0, fileName);
SaveHeader header;
SavePartVars vars(_vm, varSize);
if (!reader.load())
return false;
if (!reader.readPartHeader(0, &header))
return false;
if (header.getSize() != varSize) {
warning("Autosave mismatch (%d, %d)", header.getSize(), varSize);
return false;
}
if (!reader.readPart(0, &vars))
return false;
if (!vars.writeInto(0, 0, varSize))
return false;
return true;
}
bool SaveLoad_v6::AutoHandler::save(int16 dataVar, int32 size, int32 offset) {
uint32 varSize = SaveHandler::getVarSize(_vm);
if (varSize == 0)
return false;
if ((size != 0) || (offset != 2900)) {
warning("Invalid autosaving procedure (%d, %d, %d)", dataVar, size, offset);
return false;
}
Common::String fileName = _file.build();
if (fileName.empty())
return false;
SaveWriter writer(1, 0, fileName);
SavePartVars vars(_vm, varSize);
if (!vars.readFrom(0, 0, varSize))
return false;
return writer.writePart(0, &vars);
}
SaveLoad_v6::SaveLoad_v6(GobEngine *vm, const char *targetName) :
SaveLoad(vm) {
_gameHandler = new GameHandler(vm, targetName);
_autoHandler = new AutoHandler(vm, targetName);
_saveFiles[0].handler = _gameHandler;
_saveFiles[1].handler = _autoHandler;
}
SaveLoad_v6::~SaveLoad_v6() {
delete _autoHandler;
delete _gameHandler;
}