parallaction.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_PARALLACTION_H
#define PARALLACTION_PARALLACTION_H

#include "common/str.h"
#include "common/stack.h"
#include "common/array.h"
#include "common/func.h"
#include "common/random.h"
#include "common/savefile.h"
#include "common/textconsole.h"

#include "engines/engine.h"

#include "parallaction/input.h"
#include "parallaction/inventory.h"
#include "parallaction/objects.h"
#include "parallaction/disk.h"
#include "parallaction/detection.h"

#define PATH_LEN    200


namespace Parallaction {

enum {
    kDebugDisk = 1 << 0,
    kDebugWalk = 1 << 1,
    kDebugParser = 1 << 2,
    kDebugDialogue = 1 << 3,
    kDebugGraphics = 1 << 4,
    kDebugExec = 1 << 5,
    kDebugInput = 1 << 6,
    kDebugAudio = 1 << 7,
    kDebugMenu = 1 << 8,
    kDebugInventory = 1 << 9
};

enum EngineFlags {
    kEnginePauseJobs    = (1 << 1),
    kEngineWalking      = (1 << 3),
    kEngineChangeLocation   = (1 << 4),
    kEngineBlockInput   = (1 << 5),
    kEngineDragging     = (1 << 6),
    kEngineTransformedDonna = (1 << 7),

    // BRA specific
    kEngineReturn       = (1 << 10)
};

enum {
    kEvNone         = 0,
    kEvSaveGame     = 2000,
    kEvLoadGame     = 4000,
    kEvIngameMenu   = 8000
};





extern uint32       g_engineFlags;
extern char         g_saveData1[];
extern uint32       g_globalFlags;
extern const char   *g_dinoName;
extern const char   *g_donnaName;
extern const char   *g_doughName;
extern const char   *g_drkiName;
extern const char   *g_minidinoName;
extern const char   *g_minidonnaName;
extern const char   *g_minidoughName;
extern const char   *g_minidrkiName;






class Debugger;
class Gfx;
class Input;
class DialogueManager;
class MenuInputHelper;
class PathWalker_NS;
class PathWalker_BR;
class CommandExec;
class ProgramExec;
class SoundMan;
class SoundMan_ns;
class SoundMan_br;
class LocationParser_ns;
class LocationParser_br;
class ProgramParser_ns;
class ProgramParser_br;
class BalloonManager;

struct Location {

    Common::Point   _startPosition;
    uint16          _startFrame;
    char            _name[100];

    CommandList     _aCommands;
    CommandList     _commands;
    Common::String  _comment;
    Common::String  _endComment;

    ZoneList        _zones;
    AnimationList   _animations;
    ProgramList     _programs;

    bool        _hasSound;
    char        _soundFile[50];

    // NS specific
    PointList   _walkPoints;
    Common::String _slideText[2];

    // BRA specific
    int         _zeta0;
    int         _zeta1;
    int         _zeta2;
    CommandList     _escapeCommands;
    Common::Point   _followerStartPosition;
    uint16          _followerStartFrame;


protected:
    int         _gameType;

    bool keepZone_br(ZonePtr z);
    bool keepZone_ns(ZonePtr z);
    bool keepAnimation_ns(AnimationPtr a);
    bool keepAnimation_br(AnimationPtr a);

    template<class T>
    void freeList(Common::List<T> &list, bool removeAll, Common::MemFunc1<bool, T, Location> filter);

public:
    Location(int gameType);
    ~Location();

    AnimationPtr findAnimation(const char *name);
    ZonePtr findZone(const char *name);

    void cleanup(bool removeAll);
    void freeZones(bool removeAll);

    int getScale(int z) const;
};


class CharacterName {
    const char *_prefix;
    const char *_suffix;
    bool _dummy;
    char _name[30];
    char _baseName[30];
    char _fullName[30];
    static const char _prefixMini[];
    static const char _suffixTras[];
    static const char _empty[];
    void dummify();
public:
    CharacterName();
    CharacterName(const char *name);
    void bind(const char *name);
    const char *getName() const;
    const char *getBaseName() const;
    const char *getFullName() const;
    bool dummy() const;
};


struct Character {
    AnimationPtr    _ani;
    GfxObj          *_head;
    GfxObj          *_talk;

    Character();

protected:
    CharacterName   _name;

public:
    void setName(const char *name);
    const char *getName() const;
    const char *getBaseName() const;
    const char *getFullName() const;
    bool dummy() const;
};


class SaveLoad;

#define NUM_LOCATIONS 120

class Parallaction : public Engine {
    friend class Debugger;

public:
    int getGameType() const;
    uint32 getFeatures() const;
    Common::Language getLanguage() const;
    Common::Platform getPlatform() const;

protected:      // members
    bool detectGame();

private:
    const PARALLACTIONGameDescription *_gameDescription;
    uint16  _language;

public:
    Parallaction(OSystem *syst, const PARALLACTIONGameDescription *gameDesc);
    ~Parallaction() override;

    // Engine APIs
    virtual Common::Error init();
    virtual Common::Error go() = 0;
    Common::Error run() override {
        Common::Error err;
        err = init();
        if (err.getCode() != Common::kNoError)
            return err;
        return go();
    }

    bool hasFeature(EngineFeature f) const override;
    void pauseEngineIntern(bool pause) override;

    // info
    int32           _screenWidth;
    int32           _screenHeight;
    int32           _screenSize;
    int             _gameType;

    // subsystems
    Gfx             *_gfx;
    Disk            *_disk;
    Input           *_input;
    SaveLoad        *_saveLoad;
    MenuInputHelper *_menuHelper;
    Common::RandomSource _rnd;
    SoundMan        *_soundMan;

    // fonts
    Font        *_labelFont;
    Font        *_menuFont;
    Font        *_introFont;
    Font        *_dialogueFont;

    // game utilities
    Table               *_globalFlagsNames;
    Table               *_objectsNames;
    GfxObj              *_objects;
    Table               *_callableNames;
    Table               *_localFlagNames;
    CommandExec         *_cmdExec;
    ProgramExec         *_programExec;
    BalloonManager      *_balloonMan;
    DialogueManager     *_dialogueMan;
    InventoryRenderer   *_inventoryRenderer;
    Inventory           *_inventory;            // inventory for the current character

    // game data
    Character       _char;
    uint32          _localFlags[NUM_LOCATIONS];
    char            _locationNames[NUM_LOCATIONS][32];
    int16           _currentLocationIndex;
    uint16          _numLocations;
    Location        _location;
    ZonePtr         _activeZone;
    char            _characterName1[50];    // only used in changeCharacter
    ZonePtr         _zoneTrap;
    ZonePtr         _commentZone;
    Common::String  _newLocationName;

protected:
    void    runGame();
    void    runGameFrame(int event);
    void    runGuiFrame();
    void    cleanupGui();
    void    runDialogueFrame();
    void    exitDialogueMode();
    void    runCommentFrame();
    void    enterCommentMode(ZonePtr z);
    void    exitCommentMode();
    void    updateView();
    void    drawAnimation(AnimationPtr anim);
    void    drawZone(ZonePtr zone);
    void    updateZones();
    void    doLocationEnterTransition();
    void    allocateLocationSlot(const char *name);
    void    finalizeLocationParsing();
    void    showLocationComment(const Common::String &text, bool end);
    void    destroyDialogueManager();

public:
    void    beep();
    void    pauseJobs();
    void    resumeJobs();
    uint    getInternLanguage();
    void    setInternLanguage(uint id);
    void    enterDialogueMode(ZonePtr z);
    void    scheduleLocationSwitch(const char *location);
    void    showSlide(const char *name, int x = 0, int y = 0);

public:
    void        setLocationFlags(uint32 flags);
    void        clearLocationFlags(uint32 flags);
    void        toggleLocationFlags(uint32 flags);
    uint32      getLocationFlags();
    bool        checkSpecialZoneBox(ZonePtr z, uint32 type, uint x, uint y);
    bool        checkZoneBox(ZonePtr z, uint32 type, uint x, uint y);
    bool        checkZoneType(ZonePtr z, uint32 type);
    bool        checkLinkedAnimBox(ZonePtr z, uint32 type, uint x, uint y);
    ZonePtr     hitZone(uint32 type, uint16 x, uint16 y);
    void        runZone(ZonePtr z);
    bool        pickupItem(ZonePtr z);
    void        updateDoor(ZonePtr z, bool close);
    void        showZone(ZonePtr z, bool visible);
    void        highlightInventoryItem(ItemPosition pos);
    int16       getHoverInventoryItem(int16 x, int16 y);
    int     addInventoryItem(ItemName item);
    int     addInventoryItem(ItemName item, uint32 value);
    void        dropItem(uint16 v);
    bool        isItemInInventory(int32 v);
    const       InventoryItem* getInventoryItem(int16 pos);
    int16       getInventoryItemIndex(int16 pos);
    void        openInventory();
    void        closeInventory();

    virtual void parseLocation(const char* name) = 0;
    virtual void changeLocation() = 0;
    virtual void changeCharacter(const char *name) = 0;
    virtual void callFunction(uint index, void* parm) = 0;
    virtual void runPendingZones() = 0;
    virtual void cleanupGame() = 0;
    virtual void updateWalkers() = 0;
    virtual void scheduleWalk(int16 x, int16 y, bool fromUser) = 0;
    virtual DialogueManager *createDialogueManager(ZonePtr z) = 0;
    virtual bool processGameEvent(int event) = 0;
};



class Parallaction_ns : public Parallaction {

public:
    Parallaction_ns(OSystem* syst, const PARALLACTIONGameDescription *gameDesc);
    ~Parallaction_ns() override;

    // Engine APIs
    Common::Error init() override;
    Common::Error go() override;

    SoundMan_ns*    _soundManI;

    uint16          _score;
    Common::String  _password;


public:
    void parseLocation(const char *filename) override;
    void changeLocation() override;
    void changeCharacter(const char *name) override;
    void callFunction(uint index, void* parm) override;
    void runPendingZones() override;
    void cleanupGame() override;
    void updateWalkers() override;
    void scheduleWalk(int16 x, int16 y, bool fromUser) override;
    DialogueManager *createDialogueManager(ZonePtr z) override;
    bool processGameEvent(int event) override;
    void cleanInventory(bool keepVerbs);
    void    changeBackground(const char *background, const char *mask = 0, const char *path = 0);

private:
    bool                _inTestResult;
    LocationParser_ns   *_locationParser;
    ProgramParser_ns    *_programParser;

private:
    void    initFonts();
    void    freeFonts();
    void    initResources();
    void    initInventory();
    void    destroyInventory();
    void    setupBalloonManager();
    void    startGui();
    void    startCreditSequence();
    void    startEndPartSequence();
    void    loadProgram(AnimationPtr a, const char *filename);
    void    freeLocation(bool removeAll);
    void    freeCharacter();
    void    destroyTestResultLabels();
    void    startMovingSarcophagus(ZonePtr sarc);
    void    stopMovingSarcophagus();


    //  callables data
    typedef void (Parallaction_ns::*Callable)(void *);
    const Callable *_callables;
    ZonePtr _moveSarcGetZone;
    ZonePtr _moveSarcExaZone;
    ZonePtr _moveSarcGetZones[5];
    ZonePtr _moveSarcExaZones[5];
    uint16 num_foglie;

    int16 _sarcophagusDeltaX;
    bool    _movingSarcophagus;      // sarcophagus stuff to be saved
    uint16  _freeSarcophagusSlotX;       // sarcophagus stuff to be saved
    AnimationPtr _rightHandAnim;
    bool _intro;
    static const Callable _dosCallables[25];
    static const Callable _amigaCallables[25];

    GfxObj *_testResultLabels[2];

    PathWalker_NS       *_walker;

    // common callables
    void _c_play_boogie(void *);
    void _c_startIntro(void *);
    void _c_endIntro(void *);
    void _c_moveSheet(void *);
    void _c_sketch(void *);
    void _c_shade(void *);
    void _c_score(void *);
    void _c_fade(void *);
    void _c_moveSarc(void *);
    void _c_contaFoglie(void *);
    void _c_zeroFoglie(void *);
    void _c_trasformata(void *);
    void _c_offMouse(void *);
    void _c_onMouse(void *);
    void _c_setMask(void *);
    void _c_endComment(void *);
    void _c_frankenstein(void *);
    void _c_finito(void *);
    void _c_ridux(void *);
    void _c_testResult(void *);

    // dos specific callables
    void _c_null(void *);

    // amiga specific callables
    void _c_projector(void *);
    void _c_HBOff(void *);
    void _c_offSound(void *);
    void _c_startMusic(void *);
    void _c_closeMusic(void *);
    void _c_HBOn(void *);
};



#define NUM_ZONES   100

class Parallaction_br : public Parallaction {

public:
    Parallaction_br(OSystem* syst, const PARALLACTIONGameDescription *gameDesc);
    ~Parallaction_br() override;

    Common::Error init() override;
    Common::Error go() override;

public:
    void parseLocation(const char* name) override;
    void changeLocation() override;
    void changeCharacter(const char *name) override;
        void callFunction(uint index, void* parm) override;
    void runPendingZones() override;
    void cleanupGame() override;
    void updateWalkers() override;
    void scheduleWalk(int16 x, int16 y, bool fromUser) override;
    DialogueManager *createDialogueManager(ZonePtr z) override;
    bool processGameEvent(int event) override;

    void setupSubtitles(const char *s, const char *s2, int y);
    void clearSubtitles();

    Inventory *findInventory(const char *name);
    void linkUnlinkedZoneAnimations();

    void testCounterCondition(const Common::String &name, int op, int value);
    void restoreOrSaveZoneFlags(ZonePtr z, bool restore);

public:
    bool    counterExists(const Common::String &name);
    int     getCounterValue(const Common::String &name);
    void    setCounterValue(const Common::String &name, int value);

    void    setFollower(const Common::String &name);

    int     getSfxStatus();
    int     getMusicStatus();
    void    enableSfx(bool enable);
    void    enableMusic(bool enable);

    const char **_audioCommandsNamesRes;
    static const char *_partNames[];
    int         _part;
    int         _nextPart;


#if 0   // disabled since I couldn't find any references to lip sync in the scripts
    int16       _lipSyncVal;
    uint        _subtitleLipSync;
#endif
    int         _subtitleY;
    GfxObj      *_subtitle[2];
    ZonePtr     _activeZone2;
    uint32      _zoneFlags[NUM_LOCATIONS][NUM_ZONES];

private:
    LocationParser_br       *_locationParser;
    ProgramParser_br        *_programParser;
    SoundMan_br             *_soundManI;
    Inventory               *_dinoInventory;
    Inventory               *_donnaInventory;
    Inventory               *_dougInventory;

    int32       _counters[32];
    Table       *_countersNames;

private:
    void    initResources();
    void    initInventory();
    void    destroyInventory();

    void    cleanInventory(bool keepVerbs);
    void    setupBalloonManager();
    void    initFonts();
    void    freeFonts();
    void    freeLocation(bool removeAll);
    void    loadProgram(AnimationPtr a, const char *filename);
    void    startGui(bool showSplash);
    void    startIngameMenu();
    void    freeCharacter();

    typedef void (Parallaction_br::*Callable)(void *);
    const Callable *_callables;
    static const Callable _dosCallables[6];
    static const Callable _amigaCallables[6];

    Common::String      _followerName;
    AnimationPtr        _follower;
    PathWalker_BR       *_walker;
    int                 _ferrcycleMode;

    // dos callables
    void _c_null(void *);
    void _c_blufade(void *);
    void _c_resetpalette(void *);
    void _c_ferrcycle(void *);
    void _c_lipsinc(void *);
    void _c_albcycle(void *);
    void _c_password(void *);
};

extern Parallaction *g_vm;


} // End of namespace Parallaction


#endif