game.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/>.
 *
 */

/*
 * This code is based on the CRAB engine
 *
 * Copyright (c) Arvind Raja Yadav
 *
 * Licensed under MIT
 *
 */

#ifndef CRAB_GAME_H
#define CRAB_GAME_H

#include "crab/GameClock.h"
#include "crab/gamestate_container.h"
#include "crab/event/GameEventInfo.h"
#include "crab/event/gameeventmanager.h"
#include "crab/ui/DevConsole.h"
#include "crab/ui/hud.h"
#include "crab/ui/map.h"

namespace Crab {

class Game : public GameState {
private:
    enum State {
        STATE_GAME,
        STATE_MAP,
        STATE_PAUSE,
        STATE_CHARACTER,
        STATE_JOURNAL,
        STATE_INVENTORY,
        STATE_HELP,
        STATE_LOSE_MENU,
        STATE_LOSE_LOAD
    } _state;

    enum SaveGameType {
        SAVEGAME_NORMAL, // Save the game normally when user uses the save menu
        SAVEGAME_EVENT,  // Auto-save the game at certain points using events
        SAVEGAME_EXIT,   // Auto-save the game on exit
        SAVEGAME_QUICK   // You can use quick-save and quick-load keys
    };

    // These things don't need to be saved
    bool _isInited;
    pyrodactyl::ui::HUD _hud;
    Common::Array<pyrodactyl::event::EventResult> _eventRes;
    pyrodactyl::ui::ParagraphData _popDefault;
    pyrodactyl::ui::DebugConsole _debugConsole;

    // These things need to be saved
    pyrodactyl::ui::Map _map;
    pyrodactyl::event::Manager _gem;
    pyrodactyl::event::Info _info;
    pyrodactyl::level::Level _level;
    pyrodactyl::event::TriggerSet _gameOver;

    // Keeps track of the time player has spent in the game
    GameClock _clock;

    // The name of the auto save and quick save files
    struct SaveFile {
        bool _autoSlot;
        Common::String _auto1, _auto2, _autoQuit, _quick, _ironman;

        SaveFile() : _auto1("autoSave 1"), _auto2("autoSave 2"), _autoQuit("autoSave"), _quick("Quick Save") { _autoSlot = false; }

        void load(rapidxml::xml_node<char> *node) {
            loadStr(_auto1, "auto_1", node);
            loadStr(_auto2, "auto_2", node);
            loadStr(_autoQuit, "quit", node);
            loadStr(_quick, "quick", node);
        }
    } _savefile;

    static void quit(bool &shouldChangeState, GameStateID &newStateId, const GameStateID &newStateVal);

    bool applyResult();
    void applyResult(LevelResult result);

    // Load a level
    bool loadLevel(const Common::String &id, int playerX = -1, int playerY = -1);

    void toggleState(const State &s);

    // A nice simple function for saving games
    void createSaveGame(const SaveGameType &savetype);

    Common::String fullPath(const Common::String &filename) {
        Common::String res = "CRAB_" + filename;
        res += g_engine->_filePath->_saveExt;
        return res;
    }

    // Load the current player image
    void playerImg() {
        _hud.playerImg(g_engine->_eventStore->_img[_info.playerImg()]);
    }

public:
    Game() : _isInited(false), _state(STATE_GAME) {}

    void init(const Common::Path &filename);

    void startNewGame();
    void loadGame();

    void handleEvents(Common::Event &event, bool &shouldChangeState, GameStateID &newStateId);
#if 0
    void handleEvents(SDL_Event &Event, bool &ShouldChangeState, GameStateID &NewStateID);
#endif
    void internalEvents(bool &shouldChangeState, GameStateID &newStateId);
    void draw();

    bool loadState(Common::SeekableReadStream *stream);

    // Raw function to save game to file - generally, using the CreateSaveGame function is recommended
    void saveState(Common::SeekableWriteStream *stream);

    void autoSave() {
        createSaveGame(SAVEGAME_EXIT);
    }

    void setUI();
};

} // End of namespace Crab

#endif // CRAB_GAME_H