hypno.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 HYPNO_H
#define HYPNO_H

#include "common/array.h"
#include "common/compression/installshieldv3_archive.h"
#include "common/random.h"
#include "common/serializer.h"
#include "common/str-array.h"
#include "common/stream.h"
#include "engines/engine.h"
#include "graphics/font.h"
#include "graphics/fontman.h"
#include "graphics/surface.h"

#include "hypno/grammar.h"
#include "hypno/libfile.h"

namespace Image {
class ImageDecoder;
}

struct ADGameDescription;

namespace Hypno {

// debug channels
enum {
    kHypnoDebugMedia = 1 << 0,
    kHypnoDebugParser = 1 << 1,
    kHypnoDebugArcade = 1 << 2,
    kHypnoDebugScene = 1 << 3
};

// Player positions

enum PlayerPosition {
    kPlayerTop = 'T',
    kPlayerBottom = 'B',
    kPlayerLeft = 'L',
    kPlayerRight = 'R'
};

// Common colors
enum HypnoColors {
    kHypnoNoColor = -1,
    kHypnoColorRed = 250,
    kHypnoColorGreen = 251,
    kHypnoColorWhiteOrBlue = 252,
    kHypnoColorYellow = 253,
    kHypnoColorBlack = 254,
    kHypnoColorCyan = 255
};

// Spider colors
enum SpiderColors {
    kSpiderColorWhite = 248,
    kSpiderColorBlue = 252,
};

class HypnoEngine;

class CursorCache {
private:
    HypnoEngine *_vm;
    Common::String _filename;
    uint32 _frame;
    byte *_palette;
    Graphics::Surface *_surface;

public:
    CursorCache(HypnoEngine *vm) : _vm(vm), _filename(""), _frame(0), _palette(nullptr), _surface(nullptr) {}

    ~CursorCache() {
        if (_surface) {
            _surface->free();
            delete _surface;
        }
        free(_palette);
    }

    Graphics::Surface *getCursor(const Common::String &cursor, uint32 n, byte **palette);
};

class HypnoEngine : public Engine {
private:
    Image::ImageDecoder *_image;

public:
    HypnoEngine(OSystem *syst, const ADGameDescription *gd);
    ~HypnoEngine();

    const ADGameDescription *_gameDescription;
    bool isDemo() const;
    Common::Language _language;
    Common::Platform _platform;
    Common::String _variant;
    bool _cheatsEnabled;
    bool _infiniteHealthCheat;
    bool _infiniteAmmoCheat;
    bool _unlockAllLevels;
    bool _restoredContentEnabled;

    Audio::SoundHandle _soundHandle;
    Common::InstallShieldV3 _installerArchive;
    Common::List<LibFile*> _archive;

    Common::Error run() override;
    Levels _levels;
    Common::HashMap<Common::String, int> _sceneState;
    virtual void resetSceneState();
    bool checkSceneCompleted();
    bool checkLevelWon();
    void runLevel(Common::String &name);
    void runScene(Scene *scene);
    virtual void runBeforeArcade(ArcadeShooting *arc);
    virtual void runAfterArcade(ArcadeShooting *arc);
    void runArcade(ArcadeShooting *arc);
    // For some menus and hardcoded puzzles
    virtual void runCode(Code *code);
    // Level transitions
    void runTransition(Transition *trans);

    void restartGame();
    void clearAreas();
    void initializePath(const Common::FSNode &gamePath) override;
    virtual void loadAssets();

    // Parsing
    void splitArcadeFile(const Common::String &filename, Common::String &arc, Common::String &list);
    void parseArcadeShooting(const Common::String &prefix, const Common::String &name, const Common::String &data);
    SegmentShootsSequence parseShootList(const Common::String &name, const Common::String &data);
    void loadArcadeLevel(const Common::String &current, const Common::String &nextWin, const Common::String &nextLose, const Common::String &prefix);
    void loadSceneLevel(const Common::String &current, const Common::String &next, const Common::String &prefix);
    void loadSceneLevel(const char *buf, const Common::String &name, const Common::String &next, const Common::String &prefix);

    LibFile *loadLib(const Common::Path &prefix, const Common::Path &filename, bool encrypted);

    // User input
    void clickedHotspot(Common::Point);
    virtual bool hoverHotspot(Common::Point);

    // Cursors
    bool cursorPauseMovie(Common::Point);
    bool cursorExit(Common::Point);
    bool cursorMask(Common::Point);

    virtual void loadGame(const Common::String &nextLevel, int score, int puzzleDifficulty, int combatDifficulty);
    bool canLoadGameStateCurrently(Common::U32String *msg = nullptr) override { return (isDemo() ? false : true); }
    bool canSaveAutosaveCurrently() override { return false; }
    bool canSaveGameStateCurrently(Common::U32String *msg = nullptr) override { return (isDemo() ? false : true); }
    Common::String _checkpoint;

    Common::Path _prefixDir;
    Common::Path convertPath(const Common::String &);
    void playVideo(MVideo &video);
    void skipVideo(MVideo &video);

    Graphics::Surface *decodeFrame(const Common::String &name, int frame, byte **palette = nullptr);
    Frames decodeFrames(const Common::String &name);
    void loadImage(const Common::String &file, int x, int y, bool transparent, bool palette = false, int frameNumber = 0);
    void drawImage(Graphics::Surface &image, int x, int y, bool transparent);
    void loadPalette(const Common::String &fname);
    void loadPalette(const byte *palette, uint32 offset, uint32 size);
    byte *getPalette(uint32 idx);

    // Cursors
    Common::String _defaultCursor;
    uint32 _defaultCursorIdx;
    CursorCache *_cursorCache;
    void disableCursor();
    void defaultCursor();
    virtual void changeCursor(const Common::String &cursor, uint32 n, bool centerCursor = false);
    virtual void changeCursor(const Common::String &cursor);
    virtual void changeCursor(const Graphics::Surface &entry, byte *palette, bool centerCursor = false);

    // Actions
    virtual void runMenu(Hotspots *hs, bool only_menu = false);
    void runBackground(Background *a);
    void runOverlay(Overlay *a);
    void runMice(Mice *a);
    void runEscape();
    void runSave(Save *a);
    void runLoad(Load *a);
    void runLoadCheckpoint(LoadCheckpoint *a);
    void runTimer(Timer *a);
    void runQuit(Quit *a);
    void runCutscene(Cutscene *a);
    void runIntro(Intro *a);
    void runPlay(Play *a);
    void runSound(Sound *a);
    void runPalette(Palette *a);
    void runAmbient(Ambient *a);
    void runWalN(WalN *a);
    bool runGlobal(Global *a);
    void runTalk(Talk *a);
    void runSwapPointer(SwapPointer *a);
    void runChangeLevel(ChangeLevel *a);
    virtual void drawBackToMenu(Hotspot *h);

    // Screen
    int _screenW, _screenH;
    Graphics::PixelFormat _pixelFormat;
    void changeScreenMode(const Common::String &mode);
    Graphics::Surface *_compositeSurface;
    uint32 _transparentColor;
    Common::Rect screenRect;
    void updateScreen(MVideo &video);
    void updateVideo(MVideo &video);
    void drawScreen();

    // intros
    void runIntro(MVideo &video);
    void runIntros(Videos &videos);
    Common::HashMap<Filename, bool> _intros;

    // levels
    Common::String _nextLevel;
    Common::String _currentLevel;
    virtual Common::String findNextLevel(const Common::String &level);
    virtual Common::String findNextLevel(const Transition *trans);
    uint32 _levelId;

    // hotspots
    Hotspots *_nextHotsToAdd;
    Hotspots *_nextHotsToRemove;
    HotspotsStack stack;

    // Movies
    Videos _nextSequentialVideoToPlay;
    Videos _nextParallelVideoToPlay;
    Videos _escapeSequentialVideoToPlay;
    Videos _videosPlaying;
    Videos _videosLooping;
    MVideo *_masks;
    MVideo *_additionalVideo;
    const Graphics::Surface *_mask;

    // Sounds
    Filename _soundPath;
    Filename _music;
    int _musicRate;
    bool _musicStereo;
    bool _doNotStopSounds;
    void playSound(const Filename &filename, uint32 loops, uint32 sampleRate = 22050, bool stereo = false);
    void stopSound();

    // Arcade
    Common::String _arcadeMode;
    MVideo *_background;
    Filename _currentPalette;
    virtual bool availableObjectives();
    virtual bool checkArcadeObjectives();
    ArcadeTransitions _transitions;
    virtual bool checkTransition(ArcadeTransitions &transitions, ArcadeShooting *arc);
    virtual Common::Point getPlayerPosition(bool needsUpdate);
    virtual Common::Point computeTargetPosition(const Common::Point &mousePos);
    virtual int detectTarget(const Common::Point &mousePos);
    virtual void pressedKey(const int keycode);
    virtual bool clickedPrimaryShoot(const Common::Point &mousePos);
    virtual bool clickedSecondaryShoot(const Common::Point &mousePos);
    virtual void drawShoot(const Common::Point &mousePos);
    virtual bool shoot(const Common::Point &mousePos, ArcadeShooting *arc, bool secondary);
    virtual void hitPlayer();
    virtual void missedTarget(Shoot *s, ArcadeShooting *arc);
    virtual void missNoTarget(ArcadeShooting *arc);
    virtual byte *getTargetColor(Common::String name, int levelId);

    // Segments
    Segments _segments;
    uint32 _segmentIdx;
    uint32 _segmentOffset;
    uint32 _segmentRepetition;
    uint32 _segmentRepetitionMax;
    uint32 _segmentShootSequenceOffset;
    uint32 _segmentShootSequenceMax;
    ShootSequence _shootSequence;
    virtual void findNextSegment(ArcadeShooting *arc);
    virtual void initSegment(ArcadeShooting *arc);

    ArcadeStats _stats;
    void resetStatistics();
    void incLivesUsed();
    void incShotsFired();
    void incEnemyHits();
    void incEnemyTargets();
    void incTargetsDestroyed();
    void incTargetsMissed();
    void incFriendliesEncountered();
    void incInfoReceived();

    void incScore(int inc);
    void incBonus(int inc);

    uint32 killRatio();
    uint32 accuracyRatio();

    Common::String _difficulty;
    bool _skipLevel;
    bool _loseLevel;
    bool _skipDefeatVideo;
    bool _skipNextVideo;

    virtual void drawCursorArcade(const Common::Point &mousePos);
    virtual void drawPlayer();
    virtual void drawHealth();
    virtual void drawAmmo();
    int _health;
    int _maxHealth;

    int _ammo;
    int _maxAmmo;

    int _score;
    int _bonus;
    int _lives;

    Common::String _healthString;
    Common::String _scoreString;
    Common::String _objString;
    Common::String _targetString;
    Common::String _directionString;
    Common::String _enterNameString;

    Filename _shootSound;
    Filename _hitSound;
    Filename _additionalSound;
    Shoots _shoots;
    Frames _playerFrames;
    int _playerFrameIdx;
    Common::List<int> _playerFrameSeps;
    int _playerFrameStart;
    int _playerFrameSep;
    int _playerFrameEnd;

    // Objectives
    uint32 _objIdx;
    uint32 _objKillsCount[2];
    uint32 _objMissesCount[2];
    uint32 _objKillsRequired[2];
    uint32 _objMissesAllowed[2];

    // Fonts
    Common::BitArray _font05;
    Common::BitArray _font08;
    virtual void loadFonts(const Common::String prefix = "");
    virtual void drawString(const Filename &name, const Common::String &str, int x, int y, int w, uint32 c);

    // Conversation
    Actions _conversation;
    bool _refreshConversation;
    virtual void showConversation();
    virtual void endConversation();
    virtual void rightClickedConversation(const Common::Point &mousePos);
    virtual void leftClickedConversation(const Common::Point &mousePos);
    virtual bool hoverConversation(const Common::Point &mousePos);
    // Credits
    virtual void showCredits();

    // Timers
    int32 _countdown;
    bool _timerStarted;
    bool _keepTimerDuringScenes;
    bool startAlarm(uint32, Common::String *);
    bool startCountdown(uint32);
    void removeTimers();

    // Random
    Common::RandomSource *_rnd;
};

struct chapterEntry {
    int id;
    int energyPos[2];
    int scorePos[2];
    int objectivesPos[2];
    int ammoPos[2];
    int ammoOffset;
    int targetColor;
};

class WetEngine : public HypnoEngine {
public:
    WetEngine(OSystem *syst, const ADGameDescription *gd);
    Common::HashMap<int, const struct chapterEntry*> _chapterTable;
    Common::Array<int> _ids;
    int _lastLevel;
    Common::String _name;

    void loadAssets() override;
    void loadAssetsDemoDisc();
    void loadAssetsEarlyDemo();
    void loadAssetsGen4();
    void loadAssetsPCW();
    void loadAssetsPCG();
    void loadAssetsFullGame();
    void loadAssetsNI();

    void loadFonts(const Common::String prefix = "") override;
    void drawString(const Filename &name, const Common::String &str, int x, int y, int w, uint32 c) override;
    void changeCursor(const Common::String &cursor) override;

    void showCredits() override;
    bool clickedSecondaryShoot(const Common::Point &mousePos) override;
    void drawShoot(const Common::Point &target) override;
    void drawPlayer() override;
    void drawHealth() override;
    void drawAmmo() override;
    void hitPlayer() override;
    void drawCursorArcade(const Common::Point &mousePos) override;
    Common::Point computeTargetPosition(const Common::Point &mousePos) override;
    void missedTarget(Shoot *s, ArcadeShooting *arc) override;
    void missNoTarget(ArcadeShooting *arc) override;

    void runCode(Code *code) override;
    Common::String findNextLevel(const Common::String &level) override;
    Common::String findNextLevel(const Transition *trans) override;

    // Saves
    Common::Error saveGameStream(Common::WriteStream *stream, bool isAutosave = false) override;
    Common::Error loadGameStream(Common::SeekableReadStream *stream) override;
    bool loadProfile(const Common::String &name);
    void saveProfile(const Common::String &name, int levelId);

    // Arcade
    Common::Point getPlayerPosition(bool needsUpdate) override;
    bool checkTransition(ArcadeTransitions &transitions, ArcadeShooting *arc) override;
    void pressedKey(const int keycode) override;
    void runBeforeArcade(ArcadeShooting *arc) override;
    void runAfterArcade(ArcadeShooting *arc) override;
    void findNextSegment(ArcadeShooting *arc) override;
    void initSegment(ArcadeShooting *arc) override;
    byte *getTargetColor(Common::String name, int levelId) override;

    bool hasFeature(EngineFeature f) const override {
        return (f == kSupportsReturnToLauncher);
    }

private:
    Common::String getLocalizedString(const Common::String name);
    uint16 getNextChar(const Common::String &str, uint32 &c);
    void drawGlyph(const Common::BitArray &font, int x, int y, int bitoffset, int width, int height, int pitch, uint32 color, bool invert);
    void drawKoreanChar(uint16 chr, int &curx, int y, uint32 color);
    void runMainMenu(Code *code);
    void runLevelMenu(Code *code);
    void runCheckLives(Code *code);
    void endCredits(Code *code);
    void showDemoScore();
    uint32 findPaletteIndexZones(uint32 id);

    Common::List<int> _scoreMilestones;
    void restoreScoreMilestones(int score);
    bool checkScoreMilestones(int score);


    Frames _c33PlayerCursor;
    Common::Point _c33PlayerPosition;
    Common::List<PlayerPosition> _c33PlayerDirection;
    bool _c33UseMouse;
    void generateStaticEffect();

    Common::BitArray _fontg9a;
    Common::Array<uint32> _c40SegmentPath;
    Common::Array<uint32> _c40SegmentNext;
    int _c40SegmentIdx;
    int _c40lastTurn;
    int _c50LeftTurns;
    int _c50RigthTurns;
};

class SpiderEngine : public HypnoEngine {
public:
    SpiderEngine(OSystem *syst, const ADGameDescription *gd);
    void loadAssets() override;
    void loadAssetsDemo();
    void loadAssetsFullGame();
    void showCredits() override;

    void drawCursorArcade(const Common::Point &mousePos) override;
    void drawShoot(const Common::Point &target) override;
    void drawPlayer() override;
    void drawHealth() override;
    void missedTarget(Shoot *s, ArcadeShooting *arc) override;
    void hitPlayer() override;

    // Arcade
    void pressedKey(const int keycode) override;
    void runBeforeArcade(ArcadeShooting *arc) override;
    void runAfterArcade(ArcadeShooting *arc) override;
    void findNextSegment(ArcadeShooting *arc) override;
    void initSegment(ArcadeShooting *arc) override;
    byte *getTargetColor(Common::String name, int levelId) override;

    void drawBackToMenu(Hotspot *h) override;
    void runCode(Code *code) override;
    Common::String findNextLevel(const Common::String &level) override;
    Common::String findNextLevel(const Transition *trans) override;

    void loadFonts(const Common::String prefix = "") override;
    void drawString(const Filename &name, const Common::String &str, int x, int y, int w, uint32 c) override;

    void showConversation() override;
    void endConversation() override;
    void rightClickedConversation(const Common::Point &mousePos) override;
    void leftClickedConversation(const Common::Point &mousePos) override;
    bool hoverConversation(const Common::Point &mousePos) override;

    void loadGame(const Common::String &nextLevel, int score, int puzzleDifficulty, int combatDifficulty) override;
    Common::Error loadGameStream(Common::SeekableReadStream *stream) override;
    Common::Error saveGameStream(Common::WriteStream *stream, bool isAutosave = false) override;
    bool canSaveAutosaveCurrently() override {
        return false; // No hypno engine should perform autosave using the default implementation
    }

    bool hasFeature(EngineFeature f) const override {
        return (f == kSupportsSavingDuringRuntime || f == kSupportsLoadingDuringRuntime || f == kSupportsReturnToLauncher);
    }

private:
    void runMatrix(Code *code);
    void addIngredient(Code *code);
    void checkMixture(Code *code);
    void runNote(Code *code);
    void runFusePanel(Code *code);
    void runRecept(Code *code);
    void runOffice(Code *code);
    void runFileCabinet(Code *code);
    void runLock(Code *code);
    void runFuseBox(Code *code);
    void runGiveUp();
    void showScore(const Common::String prefix);

    uint32 _currentPlayerPosition;
    uint32 _lastPlayerPosition;

    bool _fuseState[2][10] = {};
    bool _isFuseRust = true;
    bool _isFuseUnreadable = false;
    bool ingredients[7] = {};

    Common::Rect _h1Area;
    Common::Rect _h2Area;
    Common::Rect _h3Area;

    const Graphics::Font *_font;
};

class BoyzEngine : public HypnoEngine {
public:
    BoyzEngine(OSystem *syst, const ADGameDescription *gd);
    ~BoyzEngine();
    Common::String _name;
    Common::Array<int> _ids;
    int _lastLevel;
    bool _flashbackMode;
    void loadAssets() override;
    void runCode(Code *code) override;
    Common::String findNextLevel(const Common::String &level) override;
    Common::String findNextLevel(const Transition *trans) override;

    // Scenes
    void resetSceneState() override;
    void runMenu(Hotspots *hs, bool only_menu = false) override;
    bool hoverHotspot(Common::Point) override;

    // Arcade
    void runBeforeArcade(ArcadeShooting *arc) override;
    void runAfterArcade(ArcadeShooting *arc) override;
    void pressedKey(const int keycode) override;
    int detectTarget(const Common::Point &mousePos) override;
    void drawCursorArcade(const Common::Point &mousePos) override;
    bool shoot(const Common::Point &mousePos, ArcadeShooting *arc, bool secondary) override;
    bool clickedSecondaryShoot(const Common::Point &mousePos) override;
    void showCredits() override;
    // Stats
    void showArcadeStats(int territory, const ArcadeStats &data);
    ArcadeStats _lastStats;
    ArcadeStats _globalStats;

    void missedTarget(Shoot *s, ArcadeShooting *arc) override;
    void drawHealth() override;
    void drawAmmo() override;
    void drawShoot(const Common::Point &target) override;
    void hitPlayer() override;
    void drawPlayer() override;
    void findNextSegment(ArcadeShooting *arc) override;
    void initSegment(ArcadeShooting *arc) override;
    bool checkTransition(ArcadeTransitions &transitions, ArcadeShooting *arc) override;

    void drawString(const Filename &name, const Common::String &str, int x, int y, int w, uint32 c) override;

    // Saves
    Common::Error saveGameStream(Common::WriteStream *stream, bool isAutosave = false) override;
    Common::Error loadGameStream(Common::SeekableReadStream *stream) override;
    Common::StringArray listProfiles();
    bool loadProfile(const Common::String &name);
    void saveProfile(const Common::String &name, int levelId);

    private:
    void renderHighlights(Hotspots *hs);
    void waitForUserClick(uint32 timeout);
    int pickABox();
    int _selectedCorrectBox;
    char selectDirection();

    void runMainMenu(Code *code);
    bool runExitMenu();
    void runRetryMenu(Code *code);
    void runCheckC3(Code *code);
    void runCheckHo(Code *code);
    void runCheckC5(Code *code);
    void runAlarmC5(Code *code);
    void runDifficultyMenu(Code *code);
    void endCredits(Code *code);
    int getTerritory(const Common::String &level);
    Common::String lastLevelTerritory(const Common::String &level);
    Common::String firstLevelTerritory(const Common::String &level);

    void loadSceneState(Common::SeekableReadStream *stream);
    void saveSceneState(Common::WriteStream *stream);
    void unlockAllLevels();

    int _previousHealth;
    Graphics::Surface _healthBar[7];
    Graphics::Surface _ammoBar[7];
    Graphics::Surface _portrait[7];
    Filename _deathDay[7];
    Filename _deathNight[7];

    Filename _weaponShootSound[8];
    Filename _weaponReloadSound[8];
    Filename _heySound[7];
    int _weaponMaxAmmo[8];

    byte *_crosshairsPalette;
    Graphics::Surface _crosshairsInactive[8];
    Graphics::Surface _crosshairsActive[8];
    Graphics::Surface _crosshairsTarget[8];
    Graphics::Surface _leftArrowPointer;
    Graphics::Surface _rightArrowPointer;
    Graphics::Surface _crossPointer;

    void updateFromScript();
    bool checkCup(const Common::String &name);

    Script _currentScript;
    ScriptMode _currentMode;
    uint32 _currentActor;
    uint32 _currentWeapon;
    Common::Array<Filename> _warningVideosDay;
    Common::Array<Filename> _warningVideosNight;
    Common::Array<Filename> _warningAlarmVideos;
    Filename _warningHostage;

    Common::Array<Filename> _deathVideo;
    Common::HashMap<Common::String, bool> _shootsDestroyed;

    bool hasFeature(EngineFeature f) const override {
        return (f == kSupportsReturnToLauncher);
    }
};

} // End of namespace Hypno

#endif