disk.h

/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef PARALLACTION_DISK_H
#define PARALLACTION_DISK_H

#define PATH_LEN 200

#include "common/archive.h"
#include "common/str.h"

namespace Common {
class FSDirectory;
class ReadStream;
class SeekableReadStream;
}

namespace Graphics {
struct Surface;
}

namespace Parallaction {

class Table;
class Parallaction;
class Gfx;
class Script;
class Font;

struct Frames;
struct Cnv;
struct Sprites;
struct BackgroundInfo;
class GfxObj;
struct MaskBuffer;
struct PathBuffer;

class Disk {

public:
    Disk() { }
    virtual ~Disk() { }

    virtual void init() { }

    virtual Common::String selectArchive(const Common::String &name) = 0;
    virtual void setLanguage(uint16 language) = 0;

    virtual Script* loadLocation(const char *name) = 0;
    virtual Script* loadScript(const char* name) = 0;
    virtual GfxObj* loadTalk(const char *name) = 0;
    virtual GfxObj* loadObjects(const char *name, uint8 part = 0) = 0;
    virtual Frames* loadPointer(const char *name) = 0;
    virtual GfxObj* loadHead(const char* name) = 0;
    virtual Font* loadFont(const char* name) = 0;
    virtual GfxObj* loadStatic(const char* name) = 0;
    virtual Frames* loadFrames(const char* name) = 0;
    virtual void loadSlide(BackgroundInfo& info, const char *filename) = 0;
    virtual void loadScenery(BackgroundInfo& info, const char* background, const char* mask, const char* path) = 0;
    virtual Table* loadTable(const char* name) = 0;
    virtual Common::SeekableReadStream* loadMusic(const char* name) = 0;
    virtual Common::SeekableReadStream* loadSound(const char* name) = 0;
    virtual MaskBuffer *loadMask(const char *name, uint32 w, uint32 h) { return 0; }
    virtual PathBuffer *loadPath(const char *name, uint32 w, uint32 h) { return 0; }
};

class Disk_ns : public Disk {

protected:
    Parallaction        *_vm;

    Common::SearchSet   _sset;

    Common::String      _resArchiveName;
    Common::String      _language;
    Common::SeekableReadStream *openFile(const char *filename);
    virtual Common::SeekableReadStream *tryOpenFile(const char *filename) { return 0; }
    void errorFileNotFound(const char *filename);

    void addArchive(const Common::String& name, int priority);

    virtual void decodeCnv(byte *data, uint16 numFrames, uint16 width, uint16 height, Common::SeekableReadStream *stream) = 0;
    Cnv *makeCnv(Common::SeekableReadStream *stream);

public:
    Disk_ns(Parallaction *vm);
    ~Disk_ns() override;

    Common::String selectArchive(const Common::String &name) override;
    void setLanguage(uint16 language) override;

    Script* loadLocation(const char *name) override;
    Script* loadScript(const char* name) override;
};

class DosDisk_ns : public Disk_ns {

private:
    void unpackBackground(Common::ReadStream *stream, byte *screen, byte *mask, byte *path);
    Cnv* loadCnv(const char *filename);
    void loadBackground(BackgroundInfo& info, const char *filename);
    void createMaskAndPathBuffers(BackgroundInfo &info);
    void parseDepths(BackgroundInfo &info, Common::SeekableReadStream &stream);
    Font *createFont(const char *name, Cnv* cnv);

protected:
    Gfx  *_gfx;
    Common::SeekableReadStream *tryOpenFile(const char* name) override;
    void decodeCnv(byte *data, uint16 numFrames, uint16 width, uint16 height, Common::SeekableReadStream *stream) override;

public:
    DosDisk_ns(Parallaction *vm);
    ~DosDisk_ns() override;

    void init() override;

    GfxObj* loadTalk(const char *name) override;
    GfxObj* loadObjects(const char *name, uint8 part = 0) override;
    Frames* loadPointer(const char *name) override;
    GfxObj* loadHead(const char* name) override;
    Font* loadFont(const char* name) override;
    GfxObj* loadStatic(const char* name) override;
    Frames* loadFrames(const char* name) override;
    void loadSlide(BackgroundInfo& info, const char *filename) override;
    void loadScenery(BackgroundInfo& info, const char* background, const char* mask, const char* path) override;
    Table* loadTable(const char* name) override;
    Common::SeekableReadStream* loadMusic(const char* name) override;
    Common::SeekableReadStream* loadSound(const char* name) override;
};

class AmigaDisk_ns : public Disk_ns {

protected:
    void patchFrame(byte *dst, byte *dlta, uint16 bytesPerPlane, uint16 height);
    void unpackFrame(byte *dst, byte *src, uint16 planeSize);
    void unpackBitmap(byte *dst, byte *src, uint16 numFrames, uint16 bytesPerPlane, uint16 height);
    Common::SeekableReadStream *tryOpenFile(const char* name) override;
    Font *createFont(const char *name, Common::SeekableReadStream &stream);
    void loadMask_internal(BackgroundInfo& info, const char *name);
    void loadPath_internal(BackgroundInfo& info, const char *name);
    void loadBackground(BackgroundInfo& info, const char *name);
    void buildMask(byte* buf);

    void decodeCnv(byte *data, uint16 numFrames, uint16 width, uint16 height, Common::SeekableReadStream *stream) override;

public:
    AmigaDisk_ns(Parallaction *vm);
    ~AmigaDisk_ns() override;

    void init() override;

    GfxObj* loadTalk(const char *name) override;
    GfxObj* loadObjects(const char *name, uint8 part = 0) override;
    Frames* loadPointer(const char *name) override;
    GfxObj* loadHead(const char* name) override;
    Font* loadFont(const char* name) override;
    GfxObj* loadStatic(const char* name) override;
    Frames* loadFrames(const char* name) override;
    void loadSlide(BackgroundInfo& info, const char *filename) override;
    void loadScenery(BackgroundInfo& info, const char* background, const char* mask, const char* path) override;
    Table* loadTable(const char* name) override;
    Common::SeekableReadStream* loadMusic(const char* name) override;
    Common::SeekableReadStream* loadSound(const char* name) override;
};


class Disk_br : public Disk {

    Common::SeekableReadStream *openFile_internal(bool errorOnNotFound, const Common::String &name, const Common::String &ext);

protected:
    Parallaction    *_vm;
    Common::SearchSet   _sset;
    Common::FSDirectory *_baseDir;

    uint16          _language;
    Common::String      _currentPart;

    Common::SeekableReadStream *tryOpenFile(const Common::String &name, const Common::String &ext = Common::String());
    Common::SeekableReadStream *openFile(const Common::String &name, const Common::String &ext = Common::String());
    void errorFileNotFound(const Common::String &filename);

public:
    Disk_br(Parallaction *vm);
    ~Disk_br() override;
};

//  for the moment DosDisk_br subclasses Disk. When Amiga support will
//  be taken into consideration, it might be useful to add another level
//  like we did for Nippon Safes.
class DosDisk_br : public Disk_br {

protected:
    Font *createFont(const char *name, Common::ReadStream &stream);
    Sprites*    createSprites(Common::ReadStream *stream);
    void loadBitmap(Common::SeekableReadStream &stream, Graphics::Surface &surf, byte *palette);
    GfxObj* createInventoryObjects(Common::SeekableReadStream &stream);

public:
    DosDisk_br(Parallaction *vm);

    void init() override;

    Common::String selectArchive(const Common::String &name) override;
    void setLanguage(uint16 language) override;
    Script* loadLocation(const char *name) override;
    Script* loadScript(const char* name) override;
    GfxObj* loadTalk(const char *name) override;
    GfxObj* loadObjects(const char *name, uint8 part = 0) override;
    Frames* loadPointer(const char *name) override;
    GfxObj* loadHead(const char* name) override;
    Font* loadFont(const char* name) override;
    GfxObj* loadStatic(const char* name) override;
    Frames* loadFrames(const char* name) override;
    void loadSlide(BackgroundInfo& info, const char *filename) override;
    void loadScenery(BackgroundInfo& info, const char* name, const char* mask, const char* path) override;
    Table* loadTable(const char* name) override;
    Common::SeekableReadStream* loadMusic(const char* name) override;
    Common::SeekableReadStream* loadSound(const char* name) override;
    MaskBuffer *loadMask(const char *name, uint32 w, uint32 h) override;
    PathBuffer *loadPath(const char *name, uint32 w, uint32 h) override;
};

class DosDemoDisk_br : public DosDisk_br {

public:
    DosDemoDisk_br(Parallaction *vm);

    void init() override;

    Common::String selectArchive(const Common::String& name) override;
};

class AmigaDisk_br : public DosDisk_br {

protected:
    Sprites*    createSprites(Common::ReadStream *stream);
    Font *createFont(const char *name, Common::SeekableReadStream &stream);
    void loadBackground(BackgroundInfo& info, const char *filename);
    void adjustForPalette(Graphics::Surface &surf, int transparentColor = -1);

public:
    AmigaDisk_br(Parallaction *vm);

    void init() override;

    Common::String selectArchive(const Common::String& name) override;
    GfxObj* loadTalk(const char *name) override;
    Font* loadFont(const char* name) override;
    GfxObj* loadStatic(const char* name) override;
    Frames* loadFrames(const char* name) override;
    void loadSlide(BackgroundInfo& info, const char *filename) override;
    void loadScenery(BackgroundInfo& info, const char* name, const char* mask, const char* path) override;
    GfxObj* loadObjects(const char *name, uint8 part = 0) override;
    Common::SeekableReadStream* loadMusic(const char* name) override;
    Common::SeekableReadStream* loadSound(const char* name) override;
    MaskBuffer *loadMask(const char *name, uint32 w, uint32 h) override;
};

} // namespace Parallaction



#endif