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* Copyright (C) 2004-2009 The Mana World Development Team
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* Copyright (C) 2009-2010 The Mana Developers
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* Copyright (C) 2011-2013 The ManaPlus Developers
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* This file is part of The ManaPlus Client.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "configuration.h"
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#include "inputmanager.h"
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#include "sdlshared.h"
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int Joystick::joystickCount = 0;
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bool Joystick::mEnabled = false;
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Joystick::Joystick(const int no):
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mNumber(no >= joystickCount ? joystickCount : no),
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mButtonsNumber(MAX_BUTTONS),
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for (int i = 0; i < MAX_BUTTONS; i++)
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mActiveButtons[i] = false;
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SDL_InitSubSystem(SDL_INIT_JOYSTICK);
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SDL_JoystickEventState(SDL_ENABLE);
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joystickCount = SDL_NumJoysticks();
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logger->log("%i joysticks/gamepads found", joystickCount);
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for (int i = 0; i < joystickCount; i++)
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logger->log("- %s", SDL_JoystickNameForIndex(i));
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mEnabled = config.getBoolValue("joystickEnabled");
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if (joystickCount > 0)
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joystick = new Joystick(config.getIntValue("selectedJoystick"));
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if (mNumber >= joystickCount)
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mNumber = joystickCount - 1;
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logger->log1("error: incorrect joystick selection");
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logger->log("open joystick %d", mNumber);
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mJoystick = SDL_JoystickOpen(mNumber);
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logger->log("Couldn't open joystick: %s", SDL_GetError());
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mButtonsNumber = SDL_JoystickNumButtons(mJoystick);
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logger->log("Joystick: %i ", mNumber);
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logger->log("Axes: %i ", SDL_JoystickNumAxes(mJoystick));
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logger->log("Balls: %i", SDL_JoystickNumBalls(mJoystick));
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logger->log("Hats: %i", SDL_JoystickNumHats(mJoystick));
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logger->log("Buttons: %i", mButtonsNumber);
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mHaveHats = (SDL_JoystickNumHats(mJoystick) > 0);
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if (mButtonsNumber > MAX_BUTTONS)
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mButtonsNumber = MAX_BUTTONS;
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mCalibrated = config.getValueBool("joystick"
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+ toString(mNumber) + "calibrated", false);
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mUpTolerance = config.getIntValue("upTolerance" + toString(mNumber));
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mDownTolerance = config.getIntValue("downTolerance" + toString(mNumber));
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mLeftTolerance = config.getIntValue("leftTolerance" + toString(mNumber));
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mRightTolerance = config.getIntValue("rightTolerance" + toString(mNumber));
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mUseInactive = config.getBoolValue("useInactiveJoystick");
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void Joystick::close()
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logger->log("close joystick %d", mNumber);
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SDL_JoystickClose(mJoystick);
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void Joystick::reload()
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joystickCount = SDL_NumJoysticks();
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void Joystick::setNumber(const int n)
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SDL_JoystickClose(mJoystick);
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void Joystick::logic()
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// When calibrating, don't bother the outside with our state
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if (!mEnabled || !mCalibrated)
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if (mUseInactive || client->getInputFocused())
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int position = SDL_JoystickGetAxis(mJoystick, 0);
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if (position >= mRightTolerance)
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else if (position <= mLeftTolerance)
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position = SDL_JoystickGetAxis(mJoystick, 1);
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if (position <= mUpTolerance)
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else if (position >= mDownTolerance)
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#ifdef DEBUG_JOYSTICK
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if (SDL_JoystickGetAxis(mJoystick, 2))
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logger->log("axis 2 pos: %d", SDL_JoystickGetAxis(mJoystick, 2));
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if (SDL_JoystickGetAxis(mJoystick, 3))
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logger->log("axis 3 pos: %d", SDL_JoystickGetAxis(mJoystick, 3));
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if (SDL_JoystickGetAxis(mJoystick, 4))
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logger->log("axis 4 pos: %d", SDL_JoystickGetAxis(mJoystick, 4));
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if (!mDirection && mHaveHats)
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// reading only hat 0
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const uint8_t hat = SDL_JoystickGetHat(mJoystick, 0);
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if (hat & SDL_HAT_RIGHT)
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else if (hat & SDL_HAT_LEFT)
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if (hat & SDL_HAT_UP)
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else if (hat & SDL_HAT_DOWN)
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for (int i = 0; i < mButtonsNumber; i++)
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const bool state = (SDL_JoystickGetButton(mJoystick, i) == 1);
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mActiveButtons[i] = state;
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#ifdef DEBUG_JOYSTICK
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if (mActiveButtons[i])
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logger->log("button: %d", i);
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for (int i = 0; i < mButtonsNumber; i++)
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mActiveButtons[i] = false;
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void Joystick::startCalibration()
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void Joystick::doCalibration()
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int position = SDL_JoystickGetAxis(mJoystick, 0);
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if (position > mRightTolerance)
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mRightTolerance = position;
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else if (position < mLeftTolerance)
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mLeftTolerance = position;
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position = SDL_JoystickGetAxis(mJoystick, 1);
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if (position > mDownTolerance)
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mDownTolerance = position;
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else if (position < mUpTolerance)
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mUpTolerance = position;
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void Joystick::finishCalibration()
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mCalibrating = false;
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config.setValue("joystick" + toString(mNumber) + "calibrated", true);
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config.setValue("leftTolerance" + toString(mNumber), mLeftTolerance);
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config.setValue("rightTolerance" + toString(mNumber), mRightTolerance);
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config.setValue("upTolerance" + toString(mNumber), mUpTolerance);
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config.setValue("downTolerance" + toString(mNumber), mDownTolerance);
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bool Joystick::buttonPressed(const unsigned char no) const
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return (mEnabled && no < MAX_BUTTONS) ? mActiveButtons[no] : false;
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void Joystick::getNames(std::vector <std::string> &names)
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for (int i = 0; i < joystickCount; i++)
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names.push_back(SDL_JoystickNameForIndex(i));
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void Joystick::update()
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inputManager.updateKeyActionMap(mKeyToAction, mKeyToId,
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mKeyTimeMap, INPUT_JOYSTICK);
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KeysVector *Joystick::getActionVector(const SDL_Event &event)
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const int i = getButtonFromEvent(event);
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if (i < 0 || i >= mButtonsNumber)
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// logger->log("button triggerAction: %d", i);
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if (mKeyToAction.find(i) != mKeyToAction.end())
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return &mKeyToAction[i];
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KeysVector *Joystick::getActionVectorByKey(const int i)
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if (i < 0 || i >= mButtonsNumber)
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// logger->log("button triggerAction: %d", i);
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if (mKeyToAction.find(i) != mKeyToAction.end())
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return &mKeyToAction[i];
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int Joystick::getButtonFromEvent(const SDL_Event &event) const
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if (event.jbutton.which != mNumber)
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return event.jbutton.button;
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bool Joystick::isActionActive(const int index) const
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const KeyFunction &key = inputManager.getKey(index);
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for (size_t i = 0; i < KeyFunctionSize; i ++)
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const KeyItem &val = key.values[i];
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if (val.type != INPUT_JOYSTICK)
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const int value = val.value;
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if (value >= 0 && value < mButtonsNumber)
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if (mActiveButtons[value])
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bool Joystick::validate() const
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if (mCalibrating || !mEnabled || !mCalibrated)
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return (mUseInactive || client->getInputFocused());
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void Joystick::handleRepeat(const int time)
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FOR_EACH (KeyTimeMapIter, it, mKeyTimeMap)
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const int key = (*it).first;
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int &keyTime = (*it).second;
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if (key >= 0 && key < mButtonsNumber)
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if (mActiveButtons[key])
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if (time > keyTime && abs(time - keyTime)
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> SDL_DEFAULT_REPEAT_DELAY * 10)
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inputManager.triggerAction(getActionVectorByKey(key));
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void Joystick::resetRepeat(const int key)
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const KeyTimeMapIter it = mKeyTimeMap.find(key);
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if (it != mKeyTimeMap.end())
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(*it).second = tick_time;
added
removed
src/joystick.cpp
