void MohawkEngine_Riven::changeToStack(uint16 n) {
// The endings are in reverse order because of the way the 1.02 patch works.
// The only "Data3" file is j_Data3.mhk from that patch. Patch files have higher
// priorities over the regular files and are therefore loaded and checked first.
static const char *endings[] = { "_Data3.mhk", "_Data2.mhk", "_Data1.mhk", "_Data.mhk", "_Sounds.mhk" };
// Don't change stack to the current stack (if the files are loaded)
if (_curStack == n && !_mhk.empty())
return;
_curStack = n;
// Stop any videos playing
_video->stopVideos();
_video->clearMLST();
// Clear the graphics cache; images aren't used across stack boundaries
_gfx->clearCache();
// Clear the old stack files out
for (uint32 i = 0; i < _mhk.size(); i++)
delete _mhk[i];
_mhk.clear();
// Get the prefix character for the destination stack
char prefix = getStackName(_curStack)[0];
// Load any file that fits the patterns
for (int i = 0; i < ARRAYSIZE(endings); i++) {
Common::String filename = Common::String(prefix) + endings[i];
MohawkArchive *mhk = new MohawkArchive();
if (mhk->openFile(filename))
_mhk.push_back(mhk);
else
delete mhk;
}
// Make sure we have loaded files
if (_mhk.empty())
error("Could not load stack %s", getStackName(_curStack).c_str());
// Stop any currently playing sounds
_sound->stopAllSLST();
}
void MohawkEngine_Riven::changeToStack(uint16 stackId) {
// Don't change stack to the current stack (if the files are loaded)
if (_stack && _stack->getId() == stackId && !_mhk.empty())
return;
// Free resources that may rely on the current stack data being loaded
if (_card) {
_card->leave();
delete _card;
_card = nullptr;
}
_video->removeVideos();
_sound->stopAllSLST();
// Clear the graphics cache; images aren't used across stack boundaries
_gfx->clearCache();
// Clear the old stack files out
for (uint32 i = 0; i < _mhk.size(); i++)
delete _mhk[i];
_mhk.clear();
// Get the prefix character for the destination stack
char prefix = RivenStacks::getName(stackId)[0];
// Load files that start with the prefix
const char **datafiles = listExpectedDatafiles();
for (int i = 0; datafiles[i] != nullptr; i++) {
if (datafiles[i][0] == prefix) {
MohawkArchive *mhk = new MohawkArchive();
if (mhk->openFile(datafiles[i]))
_mhk.push_back(mhk);
else
delete mhk;
}
}
// Make sure we have loaded files
if (_mhk.empty())
error("Could not load stack %s", RivenStacks::getName(stackId));
delete _stack;
_stack = constructStackById(stackId);
}
void MohawkEngine_CSTime::loadResourceFile(Common::String name) {
MohawkArchive *archive = new MohawkArchive();
if (!archive->open(name + ".mhk"))
error("failed to open %s.mhk", name.c_str());
_mhk.push_back(archive);
}