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/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2020 The ManaPlus Developers
* Copyright (C) 2020-2023 The ManaVerse Developers
*
* This file is part of The ManaPlus Client.
*
* 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 2 of the License, or
* 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 INPUT_JOYSTICK_H
#define INPUT_JOYSTICK_H
#include "events/inputevent.h"
PRAGMA48(GCC diagnostic push)
PRAGMA48(GCC diagnostic ignored "-Wshadow")
#include <SDL_events.h>
PRAGMA48(GCC diagnostic pop)
// defined first in SDL 2.0.6
// not available on older distros
#ifndef SDL_JOYSTICK_AXIS_MIN
#define SDL_JOYSTICK_AXIS_MIN -32768
#endif
#ifndef SDL_JOYSTICK_AXIS_MAX
#define SDL_JOYSTICK_AXIS_MAX 32767
#endif
class Joystick final
{
public:
/**
* Number of buttons we can handle.
*/
enum
{
MAX_BUTTONS = 64
};
enum
{
RESERVED_AXES = 2, // reserved for movement
MAX_AXES = 8 // number of axes we can handle
};
/**
* Additional "buttons" for hat 0 (d-pad),
* sticks and triggers.
*/
enum
{
KEY_UP = MAX_BUTTONS,
KEY_DOWN,
KEY_LEFT,
KEY_RIGHT,
KEY_NEGATIVE_AXIS_FIRST,
KEY_POSITIVE_AXIS_FIRST = KEY_NEGATIVE_AXIS_FIRST + MAX_AXES,
KEY_END = KEY_POSITIVE_AXIS_FIRST + MAX_AXES
};
/**
* Directions, to be used as bitmask values.
*/
enum
{
UP = 1,
DOWN = 2,
LEFT = 4,
RIGHT = 8
};
/**
* Initializes the joystick subsystem.
*/
static void init();
/**
* Detects joysticks and (re)connects.
*/
static void detect();
/**
* Returns the number of available joysticks.
*/
static int getNumberOfJoysticks() A_WARN_UNUSED
{ return joystickCount; }
/**
* Constructor, pass the number of the joystick the new object
* should access.
*/
explicit Joystick(const int no);
A_DELETE_COPY(Joystick)
~Joystick();
bool open();
void close();
static bool isEnabled() A_WARN_UNUSED
{ return mEnabled; }
void setNumber(const int n);
constexpr2 static void setEnabled(const bool enabled) noexcept2
{ mEnabled = enabled; }
static void getNames(STD_VECTOR <std::string> &names);
/**
* Updates the direction and button information.
*/
void logic();
bool buttonPressed(const int no) const A_WARN_UNUSED;
bool isUp() const noexcept2 A_WARN_UNUSED
{ return mEnabled && ((mDirection & UP) != 0); }
bool isDown() const noexcept2 A_WARN_UNUSED
{ return mEnabled && ((mDirection & DOWN) != 0); }
bool isLeft() const noexcept2 A_WARN_UNUSED
{ return mEnabled && ((mDirection & LEFT) != 0); }
bool isRight() const noexcept2 A_WARN_UNUSED
{ return mEnabled && ((mDirection & RIGHT) != 0); }
int getNumber() const noexcept2 A_WARN_UNUSED
{ return mNumber; }
void setTolerance(const float tolerance)
{ mTolerance = tolerance; }
void setUseHatForMovement(const bool b)
{ mUseHatForMovement = b; }
void setUseInactive(const bool b)
{ mUseInactive = b; }
void update();
bool isActionEvent(const SDL_Event &event) A_WARN_UNUSED;
KeysVector *getActionVector(const SDL_Event &event) A_WARN_UNUSED;
KeysVector *getActionVectorByKey(const int i) A_WARN_UNUSED;
InputActionT getActionId(const SDL_Event &event) A_WARN_UNUSED;
int getButtonFromEvent(const SDL_Event &event) const A_WARN_UNUSED;
bool isActionActive(const InputActionT index) const A_WARN_UNUSED;
bool validate() const A_WARN_UNUSED;
void handleRepeat(const int time);
void resetRepeat(const int key);
protected:
unsigned char mDirection;
unsigned char mHatPosition;
int mAxesPositions[MAX_AXES];
bool mActiveButtons[MAX_BUTTONS];
SDL_Joystick *mJoystick;
float mTolerance;
int mNumber;
int mAxesNumber;
int mButtonsNumber;
bool mUseHatForMovement;
bool mUseInactive;
bool mHaveHats;
KeyToActionMap mKeyToAction;
KeyToIdMap mKeyToId;
KeyTimeMap mKeyTimeMap;
/**
* Is joystick support enabled.
*/
static bool mEnabled;
static bool mInitialized;
static int joystickCount;
int getButton(const int key) const A_WARN_UNUSED;
int getNegativeAxis(const int key) const A_WARN_UNUSED;
int getPositiveAxis(const int key) const A_WARN_UNUSED;
};
extern Joystick *joystick;
#endif // INPUT_JOYSTICK_H
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