thirdparty/scummvm
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Improved version of my resource loading patch from -devel (check also r33876).

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svn-id: r33878
This commit is contained in:
Johannes Schickel 2008-08-14 22:09:36 +00:00
parent e56359eac0
commit 027e6c51a8
1 changed files with 37 additions and 34 deletions
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71
engines/kyra/resource.cpp
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@ -184,8 +184,14 @@ bool Resource::loadPakFile(const Common::String &filename) {
for (ResArchiveLoader::FileList::iterator i = files.begin(); i != files.end(); ++i) {
iter = _map.find(i->filename);
if (iter == _map.end()) {
// We do an internal check for a file in gamepath with same filename to
// allow overwriting files inside archives with plain files inside the
// game directory
checkFile(i->filename);
// A new file entry, so we just insert it into the file map.
_map[i->filename] = i->entry;
if (_map.find(i->filename) == _map.end())
_map[i->filename] = i->entry;
} else if (!iter->_value.parent.empty()) {
if (!iter->_value.parent.equalsIgnoreCase(filename)) {
ResFileMap::iterator oldParent = _map.find(iter->_value.parent);
@ -353,7 +359,17 @@ bool Resource::loadFileToBuf(const char *file, void *buf, uint32 maxSize) {
Common::SeekableReadStream *Resource::getFileStream(const Common::String &file) {
CompFileMap::iterator compEntry;
if (Common::File::exists(file)) {
if ((compEntry = _compFiles.find(file)) != _compFiles.end())
return new Common::MemoryReadStream(compEntry->_value.data, compEntry->_value.size, false);
if (!isAccessable(file))
return 0;
ResFileMap::const_iterator iter = _map.find(file);
if (iter == _map.end())
return 0;
if (iter->_value.parent.empty()) {
Common::File *stream = new Common::File();
if (!stream->open(file)) {
delete stream;
@ -361,28 +377,15 @@ Common::SeekableReadStream *Resource::getFileStream(const Common::String &file)
error("Couldn't open file '%s'", file.c_str());
}
return stream;
} else if ((compEntry = _compFiles.find(file)) != _compFiles.end()) {
return new Common::MemoryReadStream(compEntry->_value.data, compEntry->_value.size, false);
} else {
if (!isAccessable(file))
return 0;
Common::SeekableReadStream *parent = getFileStream(iter->_value.parent);
assert(parent);
ResFileMap::const_iterator iter = _map.find(file);
if (iter == _map.end())
return 0;
ResFileMap::const_iterator parentIter = _map.find(iter->_value.parent);
const ResArchiveLoader *loader = getLoader(parentIter->_value.type);
assert(loader);
if (!iter->_value.parent.empty()) {
Common::SeekableReadStream *parent = getFileStream(iter->_value.parent);
assert(parent);
ResFileMap::const_iterator parentIter = _map.find(iter->_value.parent);
const ResArchiveLoader *loader = getLoader(parentIter->_value.type);
assert(loader);
return loader->loadFileFromArchive(file, parent, iter->_value);
} else {
error("Couldn't open file '%s'", file.c_str());
}
return loader->loadFileFromArchive(file, parent, iter->_value);
}
return 0;
@ -414,7 +417,19 @@ void Resource::checkFile(const Common::String &file) {
if (_map.find(file) == _map.end()) {
CompFileMap::const_iterator iter;
if (Common::File::exists(file)) {
if ((iter = _compFiles.find(file)) != _compFiles.end()) {
ResFileEntry entry;
entry.parent = "";
entry.size = iter->_value.size;
entry.mounted = false;
entry.preload = false;
entry.prot = false;
entry.type = ResFileEntry::kAutoDetect;
entry.offset = 0;
_map[file] = entry;
detectFileTypes();
} else if (Common::File::exists(file)) {
Common::File temp;
if (temp.open(file)) {
ResFileEntry entry;
@ -430,18 +445,6 @@ void Resource::checkFile(const Common::String &file) {
detectFileTypes();
}
} else if ((iter = _compFiles.find(file)) != _compFiles.end()) {
ResFileEntry entry;
entry.parent = "";
entry.size = iter->_value.size;
entry.mounted = false;
entry.preload = false;
entry.prot = false;
entry.type = ResFileEntry::kAutoDetect;
entry.offset = 0;
_map[file] = entry;
detectFileTypes();
}
}
}