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Prevent writing stats/settings if they're not loaded

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This prevents writing to unlock.vvv or settings.vvv if the game hasn't
made an attempt to load them yet. Otherwise, if the game aborted via
VVV_exit() because of, say, failure to parse a graphics file, it would
overwrite perfectly existing valid save data since it hasn't loaded it
yet.

Fixes #870.
This commit is contained in:
Misa 2022-03-13 22:39:09 -07:00
parent 75ee657612
commit 5bd7dce075
1 changed files with 26 additions and 2 deletions
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28
desktop_version/src/Game.cpp
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@ -4024,6 +4024,8 @@ void Game::unlocknum( int t )
#endif
}
static bool stats_loaded = false;
void Game::loadstats(struct ScreenSettings* screen_settings)
{
tinyxml2::XMLDocument doc;
@ -4031,6 +4033,8 @@ void Game::loadstats(struct ScreenSettings* screen_settings)
tinyxml2::XMLElement* pElem;
tinyxml2::XMLElement* dataNode;
stats_loaded = true;
if (!FILESYSTEM_loadTiXml2Document("saves/unlock.vvv", doc))
{
// Save unlock.vvv only. Maybe we have a settings.vvv laying around too,
@ -4340,7 +4344,15 @@ bool Game::savestats(bool sync /*= true*/)
bool Game::savestats(const struct ScreenSettings* screen_settings, bool sync /*= true*/)
{
tinyxml2::XMLDocument doc;
bool already_exists = FILESYSTEM_loadTiXml2Document("saves/unlock.vvv", doc);
bool already_exists;
if (!stats_loaded)
{
vlog_warn("Stats not loaded! Not writing unlock.vvv.");
return false;
}
already_exists = FILESYSTEM_loadTiXml2Document("saves/unlock.vvv", doc);
if (!already_exists)
{
vlog_info("No unlock.vvv found. Creating new file");
@ -4567,12 +4579,16 @@ void Game::serializesettings(tinyxml2::XMLElement* dataNode, const struct Screen
xml::update_tag(dataNode, "controllerSensitivity", key.sensitivity);
}
static bool settings_loaded = false;
void Game::loadsettings(struct ScreenSettings* screen_settings)
{
tinyxml2::XMLDocument doc;
tinyxml2::XMLHandle hDoc(&doc);
tinyxml2::XMLElement* dataNode;
settings_loaded = true;
if (!FILESYSTEM_loadTiXml2Document("saves/settings.vvv", doc))
{
savesettings(screen_settings);
@ -4606,7 +4622,15 @@ bool Game::savesettings(void)
bool Game::savesettings(const struct ScreenSettings* screen_settings)
{
tinyxml2::XMLDocument doc;
bool already_exists = FILESYSTEM_loadTiXml2Document("saves/settings.vvv", doc);
bool already_exists;
if (!settings_loaded)
{
vlog_warn("Settings not loaded! Not writing settings.vvv.");
return false;
}
already_exists = FILESYSTEM_loadTiXml2Document("saves/settings.vvv", doc);
if (!already_exists)
{
vlog_info("No settings.vvv found. Creating new file");