mirror of
https://github.com/libretro/scummvm.git
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143 lines
3.2 KiB
C++
143 lines
3.2 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef ACCESS_FILES_H
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#define ACCESS_FILES_H
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#include "common/scummsys.h"
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#include "common/array.h"
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#include "common/file.h"
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#include "graphics/surface.h"
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#include "access/decompress.h"
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namespace Access {
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class AccessEngine;
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struct FileIdent {
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int _fileNum;
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int _subfile;
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FileIdent();
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FileIdent(int fileNum, int subfile) { _fileNum = fileNum; _subfile = subfile; }
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void load(Common::SeekableReadStream &s);
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};
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struct CellIdent : FileIdent {
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byte _cell;
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CellIdent() {}
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CellIdent(int cell, int fileNum, int subfile);
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};
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class FileManager;
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class Resource {
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friend class FileManager;
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private:
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Common::File _file;
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byte *_data;
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public:
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Common::SeekableReadStream *_stream;
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int _size;
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Resource();
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Resource(byte *data, int size);
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~Resource();
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byte *data();
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};
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class FileManager {
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private:
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AccessEngine *_vm;
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const char * const *_filenames;
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void openFile(Resource *res, const Common::String &filename);
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/**
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* Handles setting up the resource with a stream for the located resource
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*/
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void handleFile(Resource *res);
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/**
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* Handles loading a screen surface and palette with decoded resource
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*/
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void handleScreen(Graphics::Surface *dest, Resource *res);
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/**
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* Open up a sub-file container file
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*/
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void setAppended(Resource *file, int fileNum);
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/**
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* Open up a sub-file resource within an alrady opened container file.
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*/
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void gotoAppended(Resource *file, int subfile);
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public:
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int _fileNumber;
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Common::Array<uint32> _fileIndex;
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bool _setPaletteFlag;
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public:
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FileManager(AccessEngine *vm);
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~FileManager();
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/**
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* Check the existence of a given file
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*/
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bool existFile(const Common::String &filename);
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/**
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* Load a given subfile from a container file
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*/
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Resource *loadFile(int fileNum, int subfile);
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/**
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* Loads a resource specified by a file identifier
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*/
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Resource *loadFile(const FileIdent &fileIdent);
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/**
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* Load a given file by name
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*/
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Resource *loadFile(const Common::String &filename);
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/**
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* Load a given scren from a container file
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*/
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void loadScreen(int fileNum, int subfile);
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/**
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* Load a given screen by name
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*/
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void loadScreen(const Common::String &filename);
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/**
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* Load a screen resource onto a designated surface
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*/
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void loadScreen(Graphics::Surface *dest, int fileNum, int subfile);
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};
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} // End of namespace Access
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#endif /* ACCESS_FILES_H */
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