menu_room.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 M4_BURGER_ROOMS_SECTION9_MENU_ROOM_H
#define M4_BURGER_ROOMS_SECTION9_MENU_ROOM_H

#include "common/array.h"
#include "m4/wscript/ws_machine.h"
#include "m4/burger/rooms/room.h"

namespace M4 {
namespace Burger {
namespace Rooms {

constexpr int NO_BUTTONS_HILITED = -1;

enum ButtonState { BTNSTATE_DISABLED = 0, BTNSTATE_ENABLED = 1, BTNSTATE_HIGHLIGHTED = 2, BTNSTATE_PRESSED = 3 };

struct MenuButtonDef {
    int32 _x1;
    int32 _y1;
    int32 _x2;
    int32 _y2;
    int32 _frame_disabled;
    int32 _frame_enabled;
    int32 _frame_highlighted;
    int32 _frame_pressed;
    ButtonState _state;
    int32 _trigger;
};

struct MenuButton : public MenuButtonDef {
    machine *_machine = nullptr;

    MenuButton() : MenuButtonDef() {}
    MenuButton(const MenuButtonDef &def) : MenuButtonDef(def) {}
};

class MenuRoom : public Rooms::Room {
private:
    const char *_menuName;
    const char *_clickName;
    int _buttonNum = -1;
    int _highlightedButton = -1;
    int _activeButton = -1;
    bool _flag = false;

    void buttonsFrame();

    int32 is_mouse_over_a_button() const;

protected:
    Common::Array<MenuButton> _buttons;

    void setButtons(const MenuButtonDef *btns, int count);

    void drawButton(int index);

    void drawButtons();

    void setButtonState(int index, ButtonState newState);

    void resetSelectedButton() {
        _activeButton = -1;
    }
public:
    MenuRoom(const char *menuName, const char *clickName) : Rooms::Room(),
        _menuName(menuName), _clickName(clickName) {}
    virtual ~MenuRoom() {}

    void init() override;
    void daemon() override;
};

} // namespace Rooms
} // namespace Burger
} // namespace M4

#endif