void CProjectItem::loadGame(int slotId) {
CompressedFile file;
// Clear any existing project contents and call preload code
preLoad();
clear();
// Open either an existing savegame slot or the new game template
if (slotId >= 0) {
Common::InSaveFile *saveFile = g_system->getSavefileManager()->openForLoading(
g_vm->generateSaveName(slotId));
file.open(saveFile);
} else {
Common::File *newFile = new Common::File();
if (!newFile->open("newgame.st"))
error("Could not open newgame.st");
file.open(newFile);
}
// Load the savegame header in
TitanicSavegameHeader header;
readSavegameHeader(&file, header);
delete header._thumbnail;
// Load the contents in
CProjectItem *newProject = loadData(&file);
file.IsClassStart();
getGameManager()->load(&file);
file.close();
// Clear existing project
clear();
// Detach each item under the loaded project, and re-attach them
// to the existing project instance (this)
CTreeItem *item;
while ((item = newProject->getFirstChild()) != nullptr) {
item->detach();
item->addUnder(this);
}
// Loaded project instance is no longer needed
newProject->destroyAll();
// Post-load processing
postLoad();
}
CString TitanicEngine::getSavegameName(int slot) {
// Try and open up the savegame for access
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(
generateSaveName(slot));
if (in) {
// Read in the savegame header data
CompressedFile file;
file.open(in);
TitanicSavegameHeader header;
bool isValid = CProjectItem::readSavegameHeader(&file, header);
if (header._thumbnail) {
header._thumbnail->free();
delete header._thumbnail;
}
file.close();
if (isValid)
// Set the name text
return header._saveName;
}
return CString();
}
void CPetLoadSave::resetSlots() {
for (int idx = 0; idx < SAVEGAME_SLOTS_COUNT; ++idx) {
_slotNames[idx].setText(EMPTY);
_slotInUse[idx] = false;
// Try and open up the savegame for access
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(
g_vm->generateSaveName(idx));
if (in) {
// Read in the savegame header data
CompressedFile file;
file.open(in);
TitanicSavegameHeader header;
if (CProjectItem::readSavegameHeader(&file, header)) {
_slotInUse[idx] = true;
_slotNames[idx].setText(header._saveName);
}
if (header._thumbnail) {
header._thumbnail->free();
delete header._thumbnail;
}
file.close();
}
}
highlightSlot(_savegameSlotNum);
}
CompressionTest::CompressionTest(const std::string& testFile, CompressionTypes type)
{
ifstream in;
in.open(testFile, ios::binary);
std::vector<char> inBuf;
in.seekg(0, ios::end);
size_t inSize = static_cast<size_t>(in.tellg());
inBuf.resize(inSize);
in.seekg(0, ios::beg);
in.read(&inBuf[0], static_cast<streamsize>(inSize));
in.close();
CompressedFile outCompress;
outCompress.open(testFile + ".compressed", ios::out | ios::binary, type);
outCompress.write(&inBuf[0], static_cast<streamsize>(inSize));
outCompress.close();
CompressedFile inCompress;
inCompress.open(testFile + ".compressed", ios::in | ios::binary);
std::vector<char> resInBuf;
inCompress.seekg(0, ios::end);
size_t inCompressSize = inCompress.tellg();
inCompress.seekg(0, ios::beg);
resInBuf.resize(inCompressSize);
inCompress.read(&resInBuf[0], static_cast<streamsize>(inCompressSize));
inCompress.close();
ofstream out;
out.open(testFile + ".result", ios::binary);
out.write(&resInBuf[0], static_cast<streamsize>(inCompressSize));
out.close();
// is the original file the same size as the resulting file
ASSERT(inSize == inCompressSize);
// is the content identical
for (size_t i = 0; i < inSize; ++i)
{
ASSERT(inBuf[i] == resInBuf[i]);
}
}
MeshVersion getMeshVersion(const std::string& filename)
{
CompressedFile file;
file.open(filename, ios::in | ios::binary);
if (file.is_open())
{
MeshVersion version;
file.read(reinterpret_cast<char*>(&version), sizeof(MeshVersion));
file.close();
return version;
}
return MeshVersion{};
}
void Mesh::saveToMemory(std::vector<char>& mem)
{
CompressedFile file;
file.open(mem, ios::out | ios::binary);
if (file.is_open())
{
file.write(reinterpret_cast<const char*>(&SupportedMeshVersion), sizeof(MeshVersion));
for (const auto& mesh : m_subMeshes)
{
mesh.save(file);
}
file.close();
}
}
void Mesh::load(ModelResources& modelResources)
{
CompressedFile file;
file.open(m_filename, ios::in | ios::binary);
if (file.is_open())
{
MeshVersion version;
file.read(reinterpret_cast<char*>(&version), sizeof(MeshVersion));
while (!file.eof())
{
m_subMeshes.emplace_back(SubMesh());
if (!m_subMeshes.back().load(modelResources, file))
{
m_subMeshes.pop_back();
}
}
file.close();
}
}
void CProjectItem::saveGame(int slotId, const CString &desc) {
CompressedFile file;
Common::OutSaveFile *saveFile = g_system->getSavefileManager()->openForSaving(
g_vm->generateSaveName(slotId), false);
file.open(saveFile);
// Signal the game is being saved
preSave();
// Write out the savegame header
TitanicSavegameHeader header;
header._saveName = desc;
writeSavegameHeader(&file, header);
// Save the contents out
saveData(&file, this);
// Save the game manager data
_gameManager->save(&file);
// Close the file and signal that the saving has finished
file.close();
postSave();
}