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+/* 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 */