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/*
* Copyright (C) 2014-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "InputHandling.h"
#include "input/joysticks/DriverPrimitive.h"
#include "input/joysticks/JoystickUtils.h"
#include "input/joysticks/dialogs/GUIDialogNewJoystick.h"
#include "input/joysticks/interfaces/IButtonMap.h"
#include "input/joysticks/interfaces/IInputHandler.h"
#include "utils/log.h"
#include <array>
#include <cmath>
#include <tuple>
using namespace KODI;
using namespace JOYSTICK;
CGUIDialogNewJoystick* const CInputHandling::m_dialog = new CGUIDialogNewJoystick;
CInputHandling::CInputHandling(IInputHandler* handler, IButtonMap* buttonMap)
: m_handler(handler), m_buttonMap(buttonMap)
{
}
CInputHandling::~CInputHandling(void) = default;
bool CInputHandling::OnButtonMotion(unsigned int buttonIndex, bool bPressed)
{
return OnDigitalMotion(CDriverPrimitive(PRIMITIVE_TYPE::BUTTON, buttonIndex), bPressed);
}
bool CInputHandling::OnHatMotion(unsigned int hatIndex, HAT_STATE state)
{
bool bHandled = false;
bHandled |=
OnDigitalMotion(CDriverPrimitive(hatIndex, HAT_DIRECTION::UP), state & HAT_DIRECTION::UP);
bHandled |= OnDigitalMotion(CDriverPrimitive(hatIndex, HAT_DIRECTION::RIGHT),
state & HAT_DIRECTION::RIGHT);
bHandled |=
OnDigitalMotion(CDriverPrimitive(hatIndex, HAT_DIRECTION::DOWN), state & HAT_DIRECTION::DOWN);
bHandled |=
OnDigitalMotion(CDriverPrimitive(hatIndex, HAT_DIRECTION::LEFT), state & HAT_DIRECTION::LEFT);
return bHandled;
}
bool CInputHandling::OnAxisMotion(unsigned int axisIndex,
float position,
int center,
unsigned int range)
{
bool bHandled = false;
if (center != 0)
{
float translatedPostion = std::min((position - center) / range, 1.0f);
// Calculate the direction the trigger travels from the center point
SEMIAXIS_DIRECTION dir;
if (center > 0)
dir = SEMIAXIS_DIRECTION::NEGATIVE;
else
dir = SEMIAXIS_DIRECTION::POSITIVE;
CDriverPrimitive offsetSemiaxis(axisIndex, center, dir, range);
bHandled = OnAnalogMotion(offsetSemiaxis, translatedPostion);
}
else
{
CDriverPrimitive positiveSemiaxis(axisIndex, 0, SEMIAXIS_DIRECTION::POSITIVE, 1);
CDriverPrimitive negativeSemiaxis(axisIndex, 0, SEMIAXIS_DIRECTION::NEGATIVE, 1);
bHandled |= OnAnalogMotion(positiveSemiaxis, position > 0.0f ? position : 0.0f);
bHandled |= OnAnalogMotion(negativeSemiaxis, position < 0.0f ? -position : 0.0f);
}
return bHandled;
}
void CInputHandling::OnInputFrame(void)
{
// Handle driver input
for (auto& it : m_features)
it.second->ProcessMotions();
// Handle higher-level controller input
m_handler->OnInputFrame();
}
bool CInputHandling::OnDigitalMotion(const CDriverPrimitive& source, bool bPressed)
{
bool bHandled = false;
FeatureName featureName;
if (m_buttonMap->GetFeature(source, featureName))
{
auto it = m_features.find(featureName);
if (it == m_features.end())
{
FeaturePtr feature(CreateFeature(featureName));
if (feature)
std::tie(it, std::ignore) = m_features.insert({featureName, std::move(feature)});
}
if (it != m_features.end())
bHandled = it->second->OnDigitalMotion(source, bPressed);
}
else if (bPressed)
{
// If button didn't resolve to a feature, check if the button map is empty
// and ask the user if they would like to start mapping the controller
if (m_buttonMap->IsEmpty())
{
CLog::Log(LOGDEBUG, "Empty button map detected for {}", m_buttonMap->ControllerID());
m_dialog->ShowAsync();
}
}
return bHandled;
}
bool CInputHandling::OnAnalogMotion(const CDriverPrimitive& source, float magnitude)
{
bool bHandled = false;
FeatureName featureName;
if (m_buttonMap->GetFeature(source, featureName))
{
auto it = m_features.find(featureName);
if (it == m_features.end())
{
FeaturePtr feature(CreateFeature(featureName));
if (feature)
std::tie(it, std::ignore) = m_features.insert({featureName, std::move(feature)});
}
if (it != m_features.end())
bHandled = it->second->OnAnalogMotion(source, magnitude);
}
return bHandled;
}
CJoystickFeature* CInputHandling::CreateFeature(const FeatureName& featureName)
{
CJoystickFeature* feature = nullptr;
switch (m_buttonMap->GetFeatureType(featureName))
{
case FEATURE_TYPE::SCALAR:
{
feature = new CScalarFeature(featureName, m_handler, m_buttonMap);
break;
}
case FEATURE_TYPE::ANALOG_STICK:
{
feature = new CAnalogStick(featureName, m_handler, m_buttonMap);
break;
}
case FEATURE_TYPE::ACCELEROMETER:
{
feature = new CAccelerometer(featureName, m_handler, m_buttonMap);
break;
}
default:
break;
}
return feature;
}
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