InputDeviceTouch::InputDeviceTouch(InputManager& manager, DeviceId device, unsigned index, DeviceVariant /*variant*/) :
InputDevice(manager, device, index == InputDevice::AutoIndex ? manager.GetDeviceCountByType(DT_TOUCH) : 0),
impl_(0)
{
state_ = manager.GetAllocator().New<InputState>(manager.GetAllocator(), TouchPointCount*TouchDataElems);
GAINPUT_ASSERT(state_);
previousState_ = manager.GetAllocator().New<InputState>(manager.GetAllocator(), TouchPointCount*TouchDataElems);
GAINPUT_ASSERT(previousState_);
#if defined(GAINPUT_PLATFORM_ANDROID)
if (variant != DV_NULL)
{
impl_ = manager.GetAllocator().New<InputDeviceTouchImplAndroid>(manager, *this, *state_, *previousState_);
}
#elif defined(GAINPUT_PLATFORM_IOS)
if (variant != DV_NULL)
{
impl_ = manager.GetAllocator().New<InputDeviceTouchImplIos>(manager, *this, *state_, *previousState_);
}
#endif
if (!impl_)
{
impl_ = manager.GetAllocator().New<InputDeviceTouchImplNull>(manager, *this);
}
GAINPUT_ASSERT(impl_);
}
size_t
InputDeviceTouch::GetAnyButtonDown(DeviceButtonSpec* outButtons, size_t maxButtonCount) const
{
GAINPUT_ASSERT(outButtons);
GAINPUT_ASSERT(maxButtonCount > 0);
return CheckAllButtonsDown(outButtons, maxButtonCount, Touch0Down, TouchCount_);
}
MultiTouchEmulator(gainput::InputManager& manager, gainput::DeviceId device, unsigned index, gainput::InputDevice::DeviceVariant variant) :
gainput::InputDevice(manager, device, index == InputDevice::AutoIndex ? manager.GetDeviceCountByType(DT_CUSTOM) : 0)
{
state_ = manager.GetAllocator().New<gainput::InputState>(manager.GetAllocator(), TouchPointCount*TouchDataElems);
GAINPUT_ASSERT(state_);
previousState_ = manager.GetAllocator().New<gainput::InputState>(manager.GetAllocator(), TouchPointCount*TouchDataElems);
GAINPUT_ASSERT(previousState_);
}
size_t
InputDeviceTouch::GetButtonName(DeviceButtonId deviceButton, char* buffer, size_t bufferLength) const
{
GAINPUT_ASSERT(IsValidButtonId(deviceButton));
GAINPUT_ASSERT(buffer);
GAINPUT_ASSERT(bufferLength > 0);
strncpy(buffer, deviceButtonInfos[deviceButton].name, bufferLength);
buffer[bufferLength-1] = 0;
const size_t nameLen = strlen(deviceButtonInfos[deviceButton].name);
return nameLen >= bufferLength ? bufferLength : nameLen+1;
}
TapGesture::TapGesture(InputManager& manager, DeviceId device, DeviceVariant variant) :
InputGesture(manager, device),
firstDownTime_(0)
{
actionButton_.buttonId = InvalidDeviceButtonId;
state_ = manager_.GetAllocator().New<InputState>(manager.GetAllocator(), 1);
GAINPUT_ASSERT(state_);
previousState_ = manager_.GetAllocator().New<InputState>(manager.GetAllocator(), 1);
GAINPUT_ASSERT(previousState_);
}
void
TapGesture::InternalUpdate(InputDeltaState* delta)
{
if (actionButton_.buttonId == InvalidDeviceButtonId)
{
return;
}
const InputDevice* actionDevice = manager_.GetDevice(actionButton_.deviceId);
GAINPUT_ASSERT(actionDevice);
HandleButton(deviceId_, *state_, *previousState_, delta, TapTriggered, false);
if (actionDevice->GetBool(actionButton_.buttonId))
{
if (firstDownTime_ == 0)
{
firstDownTime_ = manager_.GetTime();
}
}
else
{
if (firstDownTime_ > 0 && firstDownTime_ + timeSpan_ >= manager_.GetTime())
{
HandleButton(deviceId_, *state_, *previousState_, delta, TapTriggered, true);
}
firstDownTime_ = 0;
}
}
float InputDevice::GetDeadZone(DeviceButtonId buttonId) const
{
if (!deadZones_
|| !IsValidButtonId(buttonId))
{
return 0.0f;
}
GAINPUT_ASSERT(buttonId < state_->GetButtonCount());
return deadZones_[buttonId];
}
void InternalUpdate(gainput::InputDeltaState* delta)
{
const gainput::InputDevice* downDevice = manager_.GetDevice(downDevice_);
GAINPUT_ASSERT(downDevice);
if (!downDevice->GetBool(downButton_) && downDevice->GetBoolPrevious(downButton_))
{
isDown_ = !isDown_;
const gainput::InputDevice* xDevice = manager_.GetDevice(xAxisDevice_);
GAINPUT_ASSERT(xDevice);
x_ = xDevice->GetFloat(xAxisButton_);
const gainput::InputDevice* yDevice = manager_.GetDevice(yAxisDevice_);
GAINPUT_ASSERT(yDevice);
y_ = yDevice->GetFloat(yAxisButton_);
}
state_->Set(gainput::Touch1Down, isDown_);
state_->Set(gainput::Touch1X, x_);
state_->Set(gainput::Touch1Y, y_);
const gainput::InputDevice* downDevice2 = manager_.GetDevice(downDevice2_);
GAINPUT_ASSERT(downDevice2);
const gainput::InputDevice* xDevice2 = manager_.GetDevice(xAxisDevice2_);
GAINPUT_ASSERT(xDevice2);
const gainput::InputDevice* yDevice2 = manager_.GetDevice(yAxisDevice2_);
GAINPUT_ASSERT(yDevice2);
state_->Set(gainput::Touch0Down, downDevice2->GetBool(downButton2_));
state_->Set(gainput::Touch0X, xDevice2->GetFloat(xAxisButton2_));
state_->Set(gainput::Touch0Y, yDevice2->GetFloat(yAxisButton2_));
}
DeviceButtonId
InputDeviceTouch::GetButtonByName(const char* name) const
{
GAINPUT_ASSERT(name);
for (unsigned i = 0; i < TouchPointCount*TouchDataElems; ++i)
{
if (strcmp(name, deviceButtonInfos[i].name) == 0)
{
return DeviceButtonId(i);
}
}
return InvalidDeviceButtonId;
}
void
InputRecorder::Start()
{
isRecording_ = true;
if (recording_)
{
recording_->Clear();
}
else
{
recording_ = manager_.GetAllocator().New<InputRecording>(manager_.GetAllocator());
}
startTime_ = manager_.GetTime();
recordingListener_ = manager_.GetAllocator().New<RecordingListener>(manager_, *this);
recordingListenerId_ = manager_.AddListener(recordingListener_);
// Record the initial state
for (InputManager::iterator it = manager_.begin();
it != manager_.end();
++it)
{
InputDevice* device = it->second;
const DeviceId deviceId = device->GetDeviceId();
if (!IsDeviceToRecord(deviceId))
{
continue;
}
GAINPUT_ASSERT(device->GetInputState());
for (DeviceButtonId buttonId = 0; buttonId < device->GetInputState()->GetButtonCount(); ++buttonId)
{
if (device->IsValidButtonId(buttonId))
{
if (device->GetButtonType(buttonId) == BT_BOOL)
{
recording_->AddChange(0, deviceId, buttonId, device->GetBool(buttonId));
}
else
{
recording_->AddChange(0, deviceId, buttonId, device->GetFloat(buttonId));
}
}
}
}
}
void InputDevice::SetDeadZone(DeviceButtonId buttonId, float value)
{
if (!IsValidButtonId(buttonId))
{
return;
}
if (!deadZones_)
{
const size_t size = sizeof(float) * state_->GetButtonCount();
deadZones_ = reinterpret_cast<float*>(manager_.GetAllocator().Allocate(size));
memset(deadZones_, 0, size);
}
GAINPUT_ASSERT(buttonId < state_->GetButtonCount());
deadZones_[buttonId] = value;
}
ButtonType
InputDeviceTouch::GetButtonType(DeviceButtonId deviceButton) const
{
GAINPUT_ASSERT(IsValidButtonId(deviceButton));
return deviceButtonInfos[deviceButton].type;
}
gainput::ButtonType GetButtonType(gainput::DeviceButtonId deviceButton) const
{
GAINPUT_ASSERT(IsValidButtonId(deviceButton));
return (deviceButton == gainput::Touch0Down || deviceButton == gainput::Touch1Down) ? gainput::BT_BOOL : gainput::BT_FLOAT;
}
void SampleMain()
{
SfwOpenWindow("Gainput: Gesture sample");
gainput::TrackingAllocator allocator(gainput::GetDefaultAllocator());
gainput::InputManager manager(true, allocator);
const gainput::DeviceId keyboardId = manager.CreateDevice<gainput::InputDeviceKeyboard>();
const gainput::DeviceId mouseId = manager.CreateDevice<gainput::InputDeviceMouse>();
gainput::InputDeviceTouch* touchDevice = manager.CreateAndGetDevice<gainput::InputDeviceTouch>();
GAINPUT_ASSERT(touchDevice);
gainput::DeviceId touchId = touchDevice->GetDeviceId();
#if defined(GAINPUT_PLATFORM_LINUX) || defined(GAINPUT_PLATFORM_WIN)
manager.SetDisplaySize(SfwGetWidth(), SfwGetHeight());
#endif
SfwSetInputManager(&manager);
gainput::InputMap map(manager, "testmap", allocator);
map.MapBool(ButtonConfirm, mouseId, gainput::MouseButtonLeft);
gainput::DoubleClickGesture* dcg = manager.CreateAndGetDevice<gainput::DoubleClickGesture>();
GAINPUT_ASSERT(dcg);
dcg->Initialize(mouseId, gainput::MouseButtonLeft,
mouseId, gainput::MouseAxisX, 0.01f,
mouseId, gainput::MouseAxisY, 0.01f,
500);
map.MapBool(ButtonConfirmDouble, dcg->GetDeviceId(), gainput::DoubleClickTriggered);
gainput::SimultaneouslyDownGesture* sdg = manager.CreateAndGetDevice<gainput::SimultaneouslyDownGesture>();
GAINPUT_ASSERT(sdg);
sdg->AddButton(mouseId, gainput::MouseButtonLeft);
sdg->AddButton(keyboardId, gainput::KeyShiftL);
map.MapBool(ButtonConfirmExtra, sdg->GetDeviceId(), gainput::SimultaneouslyDownTriggered);
MultiTouchEmulator* mte = manager.CreateAndGetDevice<MultiTouchEmulator>();
mte->Initialize(sdg->GetDeviceId(), gainput::SimultaneouslyDownTriggered,
mouseId, gainput::MouseAxisX,
mouseId, gainput::MouseAxisY,
mouseId, gainput::MouseButtonLeft,
mouseId, gainput::MouseAxisX,
mouseId, gainput::MouseAxisY);
if (!touchDevice->IsAvailable() || touchDevice->GetVariant() == gainput::InputDevice::DV_NULL)
{
touchId = mte->GetDeviceId();
}
gainput::HoldGesture* hg = manager.CreateAndGetDevice<gainput::HoldGesture>();
GAINPUT_ASSERT(hg);
hg->Initialize(touchId, gainput::Touch0Down,
touchId, gainput::Touch0X, 0.1f,
touchId, gainput::Touch0Y, 0.1f,
true,
800);
map.MapBool(ButtonHoldGesture, hg->GetDeviceId(), gainput::HoldTriggered);
gainput::TapGesture* tg = manager.CreateAndGetDevice<gainput::TapGesture>();
GAINPUT_ASSERT(tg);
tg->Initialize(touchId, gainput::Touch0Down,
500);
map.MapBool(ButtonTapGesture, tg->GetDeviceId(), gainput::TapTriggered);
gainput::PinchGesture* pg = manager.CreateAndGetDevice<gainput::PinchGesture>();
GAINPUT_ASSERT(pg);
pg->Initialize(touchId, gainput::Touch0Down,
touchId, gainput::Touch0X,
touchId, gainput::Touch0Y,
touchId, gainput::Touch1Down,
touchId, gainput::Touch1X,
touchId, gainput::Touch1Y);
map.MapBool(ButtonPinching, pg->GetDeviceId(), gainput::PinchTriggered);
map.MapFloat(ButtonPinchScale, pg->GetDeviceId(), gainput::PinchScale);
gainput::RotateGesture* rg = manager.CreateAndGetDevice<gainput::RotateGesture>();
GAINPUT_ASSERT(rg);
rg->Initialize(touchId, gainput::Touch0Down,
touchId, gainput::Touch0X,
touchId, gainput::Touch0Y,
touchId, gainput::Touch1Down,
touchId, gainput::Touch1X,
touchId, gainput::Touch1Y);
map.MapBool(ButtonRotating, rg->GetDeviceId(), gainput::RotateTriggered);
map.MapFloat(ButtonRotateAngle, rg->GetDeviceId(), gainput::RotateAngle);
bool doExit = false;
while (!SfwIsDone() && !doExit)
{
manager.Update();
#if defined(GAINPUT_PLATFORM_LINUX)
XEvent event;
while (XPending(SfwGetXDisplay()))
{
XNextEvent(SfwGetXDisplay(), &event);
manager.HandleEvent(event);
if (event.type == DestroyNotify || event.type == ClientMessage)
{
doExit = true;
}
}
#elif defined(GAINPUT_PLATFORM_WIN)
MSG msg;
while (PeekMessage(&msg, SfwGetHWnd(), 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
manager.HandleMessage(msg);
}
#endif
SfwUpdate();
if (map.GetBoolWasDown(ButtonConfirm))
{
SFW_LOG("Confirmed!\n");
SFW_LOG("Memory: %u allocs, %u deallocs, %u used bytes\n", static_cast<unsigned>(allocator.GetAllocateCount()), static_cast<unsigned>(allocator.GetDeallocateCount()), static_cast<unsigned>(allocator.GetAllocatedMemory()));
}
if (map.GetBoolWasDown(ButtonConfirmDouble))
{
SFW_LOG("Confirmed doubly!\n");
}
if (map.GetBoolWasDown(ButtonConfirmExtra))
{
SFW_LOG("Confirmed alternatively!\n");
}
if (map.GetBool(ButtonHoldGesture))
{
SFW_LOG("Hold triggered!\n");
}
if (map.GetBoolWasDown(ButtonTapGesture))
{
SFW_LOG("Tapped!\n");
}
if (map.GetBool(ButtonPinching))
{
SFW_LOG("Pinching: %f\n", map.GetFloat(ButtonPinchScale));
}
if (map.GetBool(ButtonRotating))
{
SFW_LOG("Rotation angle: %f\n", map.GetFloat(ButtonRotateAngle));
}
}
SfwCloseWindow();
}