diff options
Diffstat (limited to 'engines/neverhood/resourceman.h')
-rw-r--r-- | engines/neverhood/resourceman.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/engines/neverhood/resourceman.h b/engines/neverhood/resourceman.h new file mode 100644 index 0000000000..5a3697fe0d --- /dev/null +++ b/engines/neverhood/resourceman.h @@ -0,0 +1,94 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef NEVERHOOD_RESOURCEMAN_H +#define NEVERHOOD_RESOURCEMAN_H + +#include "common/array.h" +#include "common/file.h" +#include "common/hashmap.h" +#include "neverhood/neverhood.h" +#include "neverhood/blbarchive.h" + +namespace Neverhood { + +struct ResourceFileEntry { + int resourceHandle; + BlbArchive *archive; + BlbArchiveEntry *archiveEntry; +}; + +struct Resource { + ResourceFileEntry *entry; + int useRefCount; +}; + +struct ResourceData { + byte *data; + int dataRefCount; + ResourceData() : data(NULL), dataRefCount() {} +}; + +class ResourceMan; + +struct ResourceHandle { +friend class ResourceMan; +public: + ResourceHandle(); + ~ResourceHandle(); + bool isValid() const { return _resourceFileEntry != NULL && _resourceFileEntry->archiveEntry != NULL; } + byte type() const { return isValid() ? _resourceFileEntry->archiveEntry->type : 0; }; + const byte *data() const { return _data; } + uint32 size() const { return isValid() ? _resourceFileEntry->archiveEntry->size : 0; }; + const byte *extData() const { return _extData; }; + uint32 fileHash() const { return isValid() ? _resourceFileEntry->archiveEntry->fileHash : 0; }; +protected: + ResourceFileEntry *_resourceFileEntry; + const byte *_extData; + const byte *_data; +}; + +class ResourceMan { +public: + ResourceMan(); + ~ResourceMan(); + void addArchive(const Common::String &filename); + ResourceFileEntry *findEntrySimple(uint32 fileHash); + ResourceFileEntry *findEntry(uint32 fileHash, ResourceFileEntry **firstEntry = NULL); + Common::SeekableReadStream *createStream(uint32 fileHash); + const ResourceFileEntry& getEntry(uint index) { return _entries[index]; } + uint getEntryCount() { return _entries.size(); } + void queryResource(uint32 fileHash, ResourceHandle &resourceHandle); + void loadResource(ResourceHandle &resourceHandle); + void unloadResource(ResourceHandle &resourceHandle); + void purgeResources(); +protected: + typedef Common::HashMap<uint32, ResourceFileEntry> EntriesMap; + Common::Array<BlbArchive*> _archives; + EntriesMap _entries; + Common::HashMap<uint32, ResourceData*> _data; + Common::Array<Resource*> _resources; +}; + +} // End of namespace Neverhood + +#endif /* NEVERHOOD_RESOURCEMAN_H */ |