void SdlManager::SdlController::RunHapticLeftRight(float left, float right)
{
CriticalCode criticalCode(criticalSection);
if(!haptic) return;
hapticEffect.leftright.length = SDL_HAPTIC_INFINITY;
hapticEffect.leftright.large_magnitude = uint16_t(left * 0xffff);
hapticEffect.leftright.small_magnitude = uint16_t(right * 0xffff);
if(hapticEffectIndex >= 0 && hapticEffect.type == SDL_HAPTIC_LEFTRIGHT)
{
SDL_HapticStopEffect(haptic, hapticEffectIndex);
SDL_HapticUpdateEffect(haptic, hapticEffectIndex, &hapticEffect);
}
else
{
if(hapticEffectIndex >= 0)
{
SDL_HapticStopEffect(haptic, hapticEffectIndex);
SDL_HapticDestroyEffect(haptic, hapticEffectIndex);
}
hapticEffect.type = SDL_HAPTIC_LEFTRIGHT;
hapticEffectIndex = SDL_HapticNewEffect(haptic, &hapticEffect);
}
SDL_HapticRunEffect(haptic, hapticEffectIndex, 1);
}
void SdlManager::SdlController::StopHaptic()
{
CriticalCode criticalCode(criticalSection);
if(hapticEffectIndex >= 0)
{
SDL_HapticStopEffect(haptic, hapticEffectIndex);
}
}
void Manager::AddEvent(const Event& e)
{
CriticalCode criticalCode(criticalSection);
// skip text input events if text input is disabled
if(e.device == Event::deviceKeyboard && e.keyboard.type == Event::Keyboard::typeCharacter && !textInputEnabled) return;
internalFrame->AddEvent(e);
}
ptr<Controller> SdlManager::TryGetController(int controllerId)
{
CriticalCode criticalCode(criticalSection);
decltype(controllers)::const_iterator i = controllers.find(controllerId);
if(i != controllers.end())
return i->second;
return nullptr;
}
void Manager::Update()
{
CriticalCode criticalCode(criticalSection);
// switch frames
std::swap(currentFrame, internalFrame);
// old internal frame (new current frame)
// should be copied to new internal frame,
// and state is rewinded forward
currentFrame->CopyTo(internalFrame);
internalFrame->ForwardEvents();
internalFrame->Reset();
// add release events to internal frame if needed
if(releaseButtonsOnUpdate)
{
releaseButtonsOnUpdate = false;
const State& state = internalFrame->GetCurrentState();
for(size_t i = 0; i < sizeof(state.keyboard) / sizeof(state.keyboard[0]); ++i)
if(state.keyboard[i])
{
Event e;
e.device = Event::deviceKeyboard;
e.keyboard.type = Event::Keyboard::typeKeyUp;
e.keyboard.key = Key(i);
internalFrame->AddEvent(e);
}
for(size_t i = 0; i < sizeof(state.mouseButtons) / sizeof(state.mouseButtons[0]); ++i)
if(state.mouseButtons[i])
{
Event e;
e.device = Event::deviceMouse;
e.mouse.type = Event::Mouse::typeButtonUp;
e.mouse.button = Event::Mouse::Button(i);
internalFrame->AddEvent(e);
}
}
}
void SdlManager::SdlController::Close()
{
CriticalCode criticalCode(criticalSection);
if(hapticEffectIndex >= 0)
{
SDL_HapticStopEffect(haptic, hapticEffectIndex);
SDL_HapticDestroyEffect(haptic, hapticEffectIndex);
hapticEffectIndex = -1;
}
if(haptic)
{
SDL_HapticClose(haptic);
haptic = nullptr;
}
if(controller)
{
SDL_GameControllerClose(controller);
controller = nullptr;
}
}
bool SdlManager::SdlController::IsActive() const
{
CriticalCode criticalCode(criticalSection);
return controller;
}
void SdlManager::ProcessEvent(const SDL_Event& event)
{
switch(event.type)
{
case SDL_KEYDOWN:
case SDL_KEYUP:
{
Event e;
e.device = Event::deviceKeyboard;
e.keyboard.type = event.type == SDL_KEYDOWN ? Event::Keyboard::typeKeyDown : Event::Keyboard::typeKeyUp;
e.keyboard.key = ConvertKey(event.key.keysym.sym);
AddEvent(e);
}
break;
case SDL_TEXTINPUT:
for(auto i = utf8::unchecked::iterator<const char*>(event.text.text); *i.base(); ++i)
{
Event e;
e.device = Event::deviceKeyboard;
e.keyboard.type = Event::Keyboard::typeCharacter;
e.keyboard.character = *i;
AddEvent(e);
}
break;
case SDL_MOUSEMOTION:
// raw move event
{
Event e;
e.device = Event::deviceMouse;
e.mouse.type = Event::Mouse::typeRawMove;
e.mouse.rawMoveX = event.motion.xrel;
e.mouse.rawMoveY = event.motion.yrel;
e.mouse.rawMoveZ = 0;
AddEvent(e);
}
// cursor move event
{
Event e;
e.device = Event::deviceMouse;
e.mouse.type = Event::Mouse::typeCursorMove;
e.mouse.cursorX = (int)(event.motion.x * widthScale);
e.mouse.cursorY = (int)(event.motion.y * heightScale);
AddEvent(e);
}
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
{
Event e;
e.device = Event::deviceMouse;
e.mouse.type = event.type == SDL_MOUSEBUTTONDOWN ? Event::Mouse::typeButtonDown : Event::Mouse::typeButtonUp;
bool ok = true;
switch(event.button.button)
{
case SDL_BUTTON_LEFT:
e.mouse.button = Event::Mouse::buttonLeft;
break;
case SDL_BUTTON_MIDDLE:
e.mouse.button = Event::Mouse::buttonMiddle;
break;
case SDL_BUTTON_RIGHT:
e.mouse.button = Event::Mouse::buttonRight;
break;
default:
ok = false;
break;
}
if(ok)
AddEvent(e);
}
break;
case SDL_CONTROLLERDEVICEADDED:
// device added event
{
// open controller
SDL_GameController* sdlController = SDL_GameControllerOpen(event.cdevice.which);
if(sdlController)
{
ptr<SdlController> controller = NEW(SdlController(sdlController));
{
CriticalCode criticalCode(criticalSection);
controllers[controller->GetControllerId()] = controller;
}
Event e;
e.device = Event::deviceController;
e.controller.type = Event::Controller::typeDeviceAdded;
e.controller.device = controller->GetControllerId();
AddEvent(e);
}
}
break;
case SDL_CONTROLLERDEVICEREMOVED:
// device removed event
{
// try to find controller by id, and remove it from map
ptr<SdlController> controller;
{
CriticalCode criticalCode(criticalSection);
decltype(controllers)::const_iterator i = controllers.find(event.cdevice.which);
if(i != controllers.end())
{
controller = i->second;
controllers.erase(i);
}
}
// if it's found
if(controller)
{
// close controller
controller->Close();
controller = nullptr;
// emit event
Event e;
e.device = Event::deviceController;
e.controller.type = Event::Controller::typeDeviceRemoved;
e.controller.device = event.cdevice.which;
AddEvent(e);
}
}
break;
case SDL_CONTROLLERBUTTONDOWN:
case SDL_CONTROLLERBUTTONUP:
// controller button down/up event
{
Event::Controller::Button button;
bool ok = true;
switch(event.cbutton.button)
{
#define B(a, b) case SDL_CONTROLLER_BUTTON_##a: button = Event::Controller::button##b; break
B(A, A);
B(B, B);
B(X, X);
B(Y, Y);
B(BACK, Back);
B(GUIDE, Guide);
B(START, Start);
B(LEFTSTICK, LeftStick);
B(RIGHTSTICK, RightStick);
B(LEFTSHOULDER, LeftShoulder);
B(RIGHTSHOULDER, RightShoulder);
B(DPAD_UP, DPadUp);
B(DPAD_DOWN, DPadDown);
B(DPAD_LEFT, DPadLeft);
B(DPAD_RIGHT, DPadRight);
#undef B
default: ok = false; break;
}
if(ok)
{
Event e;
e.device = Event::deviceController;
e.controller.type = event.type == SDL_CONTROLLERBUTTONDOWN ? Event::Controller::typeButtonDown : Event::Controller::typeButtonUp;
e.controller.device = event.cbutton.which;
e.controller.button = button;
AddEvent(e);
}
}
break;
case SDL_CONTROLLERAXISMOTION:
// controller axis motion event
{
Event::Controller::Axis axis;
bool ok = true;
switch(event.caxis.axis)
{
#define A(a, b) case SDL_CONTROLLER_AXIS_##a: axis = Event::Controller::axis##b; break
A(LEFTX, LeftX);
A(LEFTY, LeftY);
A(RIGHTX, RightX);
A(RIGHTY, RightY);
A(TRIGGERLEFT, TriggerLeft);
A(TRIGGERRIGHT, TriggerRight);
#undef A
default: ok = false; break;
}
if(ok)
{
Event e;
e.device = Event::deviceController;
e.controller.type = Event::Controller::typeAxisMotion;
e.controller.device = event.caxis.which;
e.controller.axis = axis;
e.controller.axisValue = event.caxis.value;
AddEvent(e);
}
}
break;
}
}
void Manager::StopTextInput()
{
CriticalCode criticalCode(criticalSection);
textInputEnabled = false;
}
void Manager::StartTextInput()
{
CriticalCode criticalCode(criticalSection);
textInputEnabled = true;
}
void Manager::ReleaseButtonsOnUpdate()
{
CriticalCode criticalCode(criticalSection);
releaseButtonsOnUpdate = true;
}