void WadImageCache::delete_storage_for_name(std::string& name) const
{
FileSpecifier file;
file.SetToImageCacheDir();
file.AddPart(name);
file.Delete();
}
void WadImageCache::save_cache()
{
if (!m_cache_dirty)
return;
InfoTree pt;
for (cache_iter_t it = m_used.begin(); it != m_used.end(); ++it)
{
std::string name = it->second.first;
WadImageDescriptor desc = boost::tuples::get<0>(it->first);
pt.put(name + ".path", desc.file.GetPath());
pt.put(name + ".checksum", desc.checksum);
pt.put(name + ".index", desc.index);
pt.put(name + ".tag", desc.tag);
pt.put(name + ".width", boost::tuples::get<1>(it->first));
pt.put(name + ".height", boost::tuples::get<2>(it->first));
pt.put(name + ".filesize", it->second.second);
}
FileSpecifier info;
info.SetToImageCacheDir();
info.AddPart("Cache.ini");
try {
pt.save_ini(info);
m_cache_dirty = false;
} catch (InfoTree::ini_error e) {
logError("Could not save image cache to %s (%s)", info.GetPath(), e.what());
return;
}
}
SDL_Surface* QuickSaveImageCache::get(std::string image_name) {
std::map<std::string, cache_iter_t>::iterator it = m_images.find(image_name);
if (it != m_images.end()) {
// found it: move to front of list
m_used.splice(m_used.begin(), m_used, it->second);
return it->second->second;
}
// didn't find: load image
FileSpecifier f;
f.SetToQuickSavesDir();
f.AddPart(image_name + ".sgaA");
WadImageDescriptor desc;
desc.file = f;
desc.checksum = 0;
desc.index = SAVE_GAME_METADATA_INDEX;
desc.tag = SAVE_IMG_TAG;
SDL_Surface *img = WadImageCache::instance()->get_image(desc, PREVIEW_WIDTH, PREVIEW_HEIGHT);
if (img) {
m_used.push_front(cache_pair_t(image_name, img));
m_images[image_name] = m_used.begin();
// enforce maximum cache size
if (m_used.size() > k_max_items) {
cache_iter_t lru = m_used.end();
--lru;
m_images.erase(lru->first);
SDL_FreeSurface(lru->second);
m_used.pop_back();
}
}
return img;
}
// This tries to find a filename (in the same directory as inBaseName) based on 'inBaseName' but that is not yet used.
// The current logic tries inBaseName first, then 'inBaseName 2', then 'inBaseName 3', and so on.
// The resulting name will have no more than inMaxNameLength actual characters.
// Returns whether it was successful (the current logic either returns true or loops forever; fortunately, the
// probability of looping forever is really, REALLY tiny; the directory would have to contain every possible variant).
static bool
make_nonconflicting_filename_variant(/*const*/ FileSpecifier& inBaseName, FileSpecifier& outNonconflictingName, size_t inMaxNameLength) {
FileSpecifier theNameToTry;
DirectorySpecifier theDirectory;
inBaseName.ToDirectory(theDirectory);
char theBaseNameString[256]; // XXX I don't like this, but the SDL code already imposes this maxlen throughout.
inBaseName.GetName(theBaseNameString);
size_t theBaseNameLength = strlen(theBaseNameString);
char theNameToTryString[256];
char theVariantSuffix[32]; // way more than enough
unsigned int theVariant = 0;
size_t theSuffixLength;
size_t theBaseNameLengthToUse;
bool theVariantIsAcceptable = false;
while(!theVariantIsAcceptable) {
theVariant++;
if(theVariant == 1) {
theVariantSuffix[0] = '\0';
theSuffixLength = 0;
}
else {
theSuffixLength = sprintf(theVariantSuffix, " %d", theVariant);
}
assert(theSuffixLength <= inMaxNameLength);
if(theSuffixLength + theBaseNameLength > inMaxNameLength)
theBaseNameLengthToUse = inMaxNameLength - theSuffixLength;
else
theBaseNameLengthToUse = theBaseNameLength;
sprintf(theNameToTryString, "%.*s%s", (int) theBaseNameLengthToUse, theBaseNameString, theVariantSuffix);
theNameToTry.FromDirectory(theDirectory);
#if defined(mac) || defined(SDL_RFORK_HACK)
// Note: SetName() currently ignores the 'type' argument, so I feel
// little compulsion to try to figure it out.
theNameToTry.SetName(theNameToTryString,NONE);
#else
theNameToTry.AddPart(theNameToTryString);
#endif
if(!theNameToTry.Exists())
theVariantIsAcceptable = true;
}
if(theVariantIsAcceptable) {
outNonconflictingName = theNameToTry;
}
return theVariantIsAcceptable;
}
// Analogous to 'save_game()', but does not present any dialog to the user, and reports the results
// using screen_printf(). If inOverwriteRecent is set, it will save over the most recently saved
// or restored game (if possible). If inOverwriteRecent is not set, or if there is no recent game
// to save over, it will pick a new, nonconflicting filename and save to it.
// Returns whether save was successful.
bool
save_game_full_auto(bool inOverwriteRecent) {
bool createNewFile = !inOverwriteRecent;
FileSpecifier theRecentSavedGame;
get_current_saved_game_name(theRecentSavedGame);
char theSavedGameName[256]; // XXX
// If we're supposed to overwrite, change our minds if we seem to have no 'existing file'.
if(!createNewFile) {
theRecentSavedGame.GetName(theSavedGameName);
if(strcmp(theSavedGameName, TS_GetCString(strFILENAMES, filenameDEFAULT_SAVE_GAME)) == 0)
createNewFile = true;
}
// Make up a filename (currently based on level name)
if(createNewFile) {
if(strncpy_filename_friendly(theSavedGameName, static_world->level_name, kMaxFilenameChars) <= 0)
strcpy(theSavedGameName, "Automatic Save");
DirectorySpecifier theDirectory;
theRecentSavedGame.ToDirectory(theDirectory);
theRecentSavedGame.FromDirectory(theDirectory);
#if defined(mac) || defined(SDL_RFORK_HACK)
// Note: SetName() currently ignores the 'type' argument, so I feel
// little compulsion to try to figure it out.
theRecentSavedGame.SetName(theSavedGameName,NONE);
#else
theRecentSavedGame.AddPart(theSavedGameName);
#endif
}
FileSpecifier theOutputFile;
if(createNewFile)
make_nonconflicting_filename_variant(theRecentSavedGame, theOutputFile, kMaxFilenameChars);
else
theOutputFile = theRecentSavedGame;
bool successfulSave = save_game_file(theOutputFile);
theOutputFile.GetName(theSavedGameName);
if(successfulSave) {
screen_printf("%s saved game '%s'", createNewFile ? "Created new" : "Replaced existing", theSavedGameName);
// play a sound?
}
else {
screen_printf("Unable to save game as '%s'", theSavedGameName);
// play a sound?
}
return successfulSave;
}
SDL_Surface *WadImageCache::image_from_name(std::string& name) const
{
FileSpecifier file;
file.SetToImageCacheDir();
file.AddPart(name);
OpenedFile of;
if (!file.Open(of))
return NULL;
#ifdef HAVE_SDL_IMAGE
SDL_Surface *img = IMG_Load_RW(of.GetRWops(), 0);
#else
SDL_Surface *img = SDL_LoadBMP_RW(of.GetRWops(), 0);
#endif
return img;
}
// Exchange two files
bool FileSpecifier::Exchange(FileSpecifier &other)
{
// Create temporary name (this is cheap, we should make sure that the
// name is not already in use...)
FileSpecifier tmp;
ToDirectory(tmp);
tmp.AddPart("exchange_tmp_file");
err = 0;
if (rename(GetPath(), tmp.GetPath()) < 0)
err = errno;
else
rename(other.GetPath(), GetPath());
if (rename(tmp.GetPath(), other.GetPath()) < 0)
err = errno;
return err == 0;
}
void WadImageCache::initialize_cache()
{
FileSpecifier info;
info.SetToImageCacheDir();
info.AddPart("Cache.ini");
if (!info.Exists())
return;
InfoTree pt;
try {
pt = InfoTree::load_ini(info);
} catch (InfoTree::ini_error e) {
logError("Could not read image cache from %s (%s)", info.GetPath(), e.what());
}
for (InfoTree::iterator it = pt.begin(); it != pt.end(); ++it)
{
std::string name = it->first;
InfoTree ptc = it->second;
WadImageDescriptor desc;
std::string path;
ptc.read("path", path);
desc.file = FileSpecifier(path);
ptc.read("checksum", desc.checksum);
ptc.read("index", desc.index);
ptc.read("tag", desc.tag);
int width = 0;
ptc.read("width", width);
int height = 0;
ptc.read("height", height);
size_t filesize = 0;
ptc.read("filesize", filesize);
cache_key_t key = cache_key_t(desc, width, height);
cache_value_t val = cache_value_t(name, filesize);
m_used.push_front(cache_pair_t(key, val));
m_cacheinfo[key] = m_used.begin();
m_cachesize += filesize;
}
}
FileSpecifier GetPath() {
FileSpecifier dir = m_list_w->get_file();
std::string base;
std::string part;
dir.SplitPath(base, part);
std::string filename = GetFilename();
if (part == filename)
{
dir = base;
}
if (m_extension && !boost::algorithm::ends_with(filename, m_extension))
{
filename += m_extension;
}
dir.AddPart(filename);
return dir;
}
std::string WadImageCache::image_to_new_name(SDL_Surface *image, int32 *filesize) const
{
// create name
boost::uuids::random_generator gen;
boost::uuids::uuid u = gen();
std::string ustr = boost::uuids::to_string(u);
FileSpecifier File;
File.SetToImageCacheDir();
File.AddPart(ustr);
FileSpecifier TempFile;
TempFile.SetTempName(File);
int ret;
//#if defined(HAVE_PNG) && defined(HAVE_SDL_IMAGE)
// ret = aoIMG_SavePNG(TempFile.GetPath(), image, IMG_COMPRESS_DEFAULT, NULL, 0);
#ifdef HAVE_SDL_IMAGE
ret = IMG_SavePNG(image, TempFile.GetPath());
#else
ret = SDL_SaveBMP(image, TempFile.GetPath());
#endif
if (ret == 0 && TempFile.Rename(File))
{
if (filesize)
{
OpenedFile of;
if (File.Open(of))
of.GetLength(*filesize);
}
return ustr;
}
if (filesize)
*filesize = 0;
return "";
}
