wage.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/>.
 *
 * MIT License:
 *
 * Copyright (c) 2009 Alexei Svitkine, Eugene Sandulenko
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#ifndef WAGE_WAGE_H
#define WAGE_WAGE_H

#include "engines/engine.h"
#include "audio/mixer.h"
#include "common/debug.h"
#include "common/endian.h"
#include "common/rect.h"
#include "common/macresman.h"
#include "common/random.h"
#include "common/timer.h"

#include "wage/debugger.h"

struct ADGameDescription;

namespace Common {
struct Event;
}

namespace Graphics {
class MacDialog;
}

namespace Wage {

class Console;
class Chr;
class Designed;
class Dialog;
class Gui;
class Obj;
class Scene;
class World;

typedef Common::Array<Obj *> ObjArray;
typedef Common::Array<Chr *> ChrArray;
typedef Common::List<Obj *> ObjList;
typedef Common::List<Chr *> ChrList;

#define STORAGESCENE "STORAGE@"

enum OperandType {
    OBJ = 0,
    CHR = 1,
    SCENE = 2,
    NUMBER = 3,
    STRING = 4,
    CLICK_INPUT = 5,
    TEXT_INPUT = 6,
    UNKNOWN = 100
};

enum Directions {
    NORTH = 0,
    SOUTH = 1,
    EAST = 2,
    WEST = 3
};

// our engine debug levels
enum {
    kWageDebugExample = 1 << 0,
    kWageDebugExample2 = 1 << 1
    // next new level must be 1 << 2 (4)
    // the current limitation is 32 debug levels (1 << 31 is the last one)
};

enum Resolution {
    GF_RES800  =    1 << 0,
    GF_RES1024 =    1 << 1
};

Common::Rect *readRect(Common::SeekableReadStream *in);
const char *getIndefiniteArticle(const Common::String &word);
const char *prependGenderSpecificPronoun(int gender);
const char *getGenderSpecificPronoun(int gender, bool capitalize);
bool isStorageScene(const Common::String &name);

class WageEngine : public Engine {
    friend class Dialog;
public:
    WageEngine(OSystem *syst, const ADGameDescription *gameDesc);
    ~WageEngine() override;

    bool hasFeature(EngineFeature f) const override;

    Common::Error run() override;

    bool canLoadGameStateCurrently(Common::U32String *msg = nullptr) override;
    bool canSaveGameStateCurrently(Common::U32String *msg = nullptr) override;

    const char *getGameFile() const;
    void processTurn(Common::String *textInput, Designed *clickInput);
    void regen();

    const char *getTargetName() { return _targetName.c_str(); }
    bool pollEvent(Common::Event &event);

private:
    bool loadWorld(Common::MacResManager *resMan);
    void performInitialSetup();
    void wearObjs(Chr *chr);
    void processTurnInternal(Common::String *textInput, Designed *clickInput);
    void performCombatAction(Chr *npc, Chr *player);
    int getValidMoveDirections(Chr *npc);
    void performAttack(Chr *attacker, Chr *victim, Obj *weapon);
    void performMagic(Chr *attacker, Chr *victim, Obj *magicalObject);
    void performMove(Chr *chr, int validMoves);
    void performOffer(Chr *attacker, Chr *victim);
    void performTake(Chr *npc, Obj *obj);
    void decrementUses(Obj *obj);
    bool attackHit(Chr *attacker, Chr *victim, Obj *weapon, int targetIndex);
    void performHealingMagic(Chr *chr, Obj *magicalObject);

    void doClose();

public:
    void takeObj(Obj *obj);

    bool handleMoveCommand(Directions dir, const char *dirName);
    bool handleLookCommand();
    Common::String *getGroundItemsList(Scene *scene);
    void appendObjNames(Common::String &str, const ObjArray &objs);
    bool handleInventoryCommand();
    bool handleStatusCommand();
    bool handleRestCommand();
    bool handleAcceptCommand();

    bool handleTakeCommand(const char *target);
    bool handleDropCommand(const char *target);
    bool handleAimCommand(const char *target);
    bool handleWearCommand(const char *target);
    bool handleOfferCommand(const char *target);

    void wearObj(Obj *o, int pos);

    bool tryAttack(const Obj *weapon, const Common::String &input);
    bool handleAttack(Obj *weapon);

    void printPlayerCondition(Chr *player);
    const char *getPercentMessage(double percent);

public:
    Common::RandomSource *_rnd;

    Gui *_gui;
    World *_world;

    Scene *_lastScene;
    int _loopCount;
    int _turn;
    Chr *_monster;
    Chr *_running;
    Obj *_offer;
    int _aim;
    int _opponentAim;
    bool _temporarilyHidden;
    bool _isGameOver;
    bool _commandWasQuick;
    bool _restartRequested = false;

    bool _shouldQuit;
    int _defaultSaveSlot = -1;
    Common::String _defaultSaveDescritpion;

    Common::String _inputText;

    Common::List<int> _soundQueue;
    Common::String _soundToPlay;

    void playSound(Common::String soundName);
    void updateSoundTimerForScene(Scene *scene, bool firstTime);
    void setMenu(Common::String soundName);
    void appendText(const char *str);
    void gameOver();
    bool saveDialog();
    void aboutDialog();
    Obj *getOffer();
    Chr *getMonster();
    void processEvents();
    Scene *getSceneByName(Common::String &location);
    void onMove(Designed *what, Designed *from, Designed *to);
    void encounter(Chr *player, Chr *chr);
    void redrawScene();
    void saveGame();

    uint32 getFeatures();

    Common::Error loadGameState(int slot) override;
    Common::Error saveGameState(int slot, const Common::String &desc, bool isAutosave = false) override;
    bool scummVMSaveLoadDialog(bool isSave);

private:
    int getSceneIndex(Scene *scene) const;
    Obj *getObjByOffset(int offset, int objBaseOffset) const;
    Chr *getChrById(int resId) const;
    Chr *getChrByOffset(int offset, int chrBaseOffset) const;
    Scene *getSceneById(int id) const;
    Scene *getSceneByOffset(int offset) const;
    int saveGame(const Common::String &fileName, const Common::String &descriptionString);
    int loadGame(int slotId);

    void restart();

private:
    const ADGameDescription *_gameDescription;

    Common::MacResManager *_resManager;

    Audio::SoundHandle _soundHandle;
};

} // End of namespace Wage

#endif