113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef RESOURCE_MANAGER_H
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#define RESOURCE_MANAGER_H
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#include "common/archive.h"
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#include "common/file.h"
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#include "common/hash-str.h"
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#include "common/hashmap.h"
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#include "common/ptr.h"
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#include "common/scummsys.h"
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#include "common/str.h"
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namespace Graphics {
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struct Surface;
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struct PixelFormat;
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} // namespace Graphics
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namespace AGDS {
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class ResourceManager {
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private:
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class GrpFile;
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class ArchiveMember : public Common::ArchiveMember {
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GrpFile *_parent;
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Common::String _name;
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uint32 _offset;
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uint32 _size;
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public:
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ArchiveMember(GrpFile *parent, const Common::String &name, uint32 offset, uint32 size) : _parent(parent), _name(name), _offset(offset), _size(size) {
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}
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Common::SeekableReadStream *createReadStream() const override;
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Common::String getName() const override {
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return getFileName();
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}
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Common::Path getPathInArchive() const override {
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return Common::Path{_name};
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}
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Common::String getFileName() const override {
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return _name;
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}
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Common::SeekableReadStream *createReadStreamForAltStream(Common::AltStreamType altStreamType) const override {
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return nullptr;
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}
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};
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using ArchiveMemberPtr = Common::SharedPtr<ArchiveMember>;
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class GrpFile : public Common::Archive {
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Common::File _file;
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bool _encrypted;
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using MembersType = Common::HashMap<Common::String, ArchiveMemberPtr, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo>;
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MembersType _members;
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public:
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bool load(const Common::Path &path);
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Common::SeekableReadStream &getArchiveStream() {
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return _file;
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}
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bool hasFile(const Common::Path &name) const override;
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int listMembers(Common::ArchiveMemberList &list) const override;
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const Common::ArchiveMemberPtr getMember(const Common::Path &name) const override;
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Common::SeekableReadStream *createReadStreamForMember(const Common::Path &name) const override;
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};
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static void decrypt(uint8 *data, unsigned size);
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int _version;
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public:
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ResourceManager(int version);
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~ResourceManager();
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static bool IsBMP(Common::SeekableReadStream &stream);
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bool addPath(const Common::Path &grpFilename);
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Common::SeekableReadStream *getResource(const Common::String &name) const;
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Graphics::Surface *loadPicture(const Common::String &name, const Graphics::PixelFormat &format);
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Common::String loadText(Common::SeekableReadStream &stream) const;
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Common::String loadText(const Common::String &name) const;
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};
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Common::String readString(Common::ReadStream &stream, uint size = 32);
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void writeString(Common::WriteStream &stream, const Common::String &string, uint size = 32);
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} // End of namespace AGDS
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#endif /* AGDS_RESOURCE_MANAGER_H */
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