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/****************************************************************************
**
** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qfirstpersoncameracontroller_p.h"
#include "qfirstpersoncameracontroller.h"
#include <Qt3DRender/QCamera>
#include <Qt3DInput/QAxis>
#include <Qt3DInput/QAnalogAxisInput>
#include <Qt3DInput/QButtonAxisInput>
#include <Qt3DInput/QAction>
#include <Qt3DInput/QActionInput>
#include <Qt3DInput/QLogicalDevice>
#include <Qt3DInput/QKeyboardDevice>
#include <Qt3DInput/QMouseDevice>
#include <Qt3DInput/QMouseEvent>
#include <Qt3DLogic/QFrameAction>
QT_BEGIN_NAMESPACE
namespace Qt3DExtras {
QFirstPersonCameraControllerPrivate::QFirstPersonCameraControllerPrivate()
: Qt3DCore::QEntityPrivate()
, m_camera(nullptr)
, m_leftMouseButtonAction(new Qt3DInput::QAction())
, m_fineMotionAction(new Qt3DInput::QAction())
, m_rxAxis(new Qt3DInput::QAxis())
, m_ryAxis(new Qt3DInput::QAxis())
, m_txAxis(new Qt3DInput::QAxis())
, m_tyAxis(new Qt3DInput::QAxis())
, m_tzAxis(new Qt3DInput::QAxis())
, m_leftMouseButtonInput(new Qt3DInput::QActionInput())
, m_fineMotionKeyInput(new Qt3DInput::QActionInput())
, m_mouseRxInput(new Qt3DInput::QAnalogAxisInput())
, m_mouseRyInput(new Qt3DInput::QAnalogAxisInput())
, m_keyboardTxPosInput(new Qt3DInput::QButtonAxisInput())
, m_keyboardTyPosInput(new Qt3DInput::QButtonAxisInput())
, m_keyboardTzPosInput(new Qt3DInput::QButtonAxisInput())
, m_keyboardTxNegInput(new Qt3DInput::QButtonAxisInput())
, m_keyboardTyNegInput(new Qt3DInput::QButtonAxisInput())
, m_keyboardTzNegInput(new Qt3DInput::QButtonAxisInput())
, m_keyboardDevice(new Qt3DInput::QKeyboardDevice())
, m_mouseDevice(new Qt3DInput::QMouseDevice())
, m_logicalDevice(new Qt3DInput::QLogicalDevice())
, m_frameAction(new Qt3DLogic::QFrameAction())
, m_linearSpeed(10.0f)
, m_lookSpeed(180.0f)
, m_firstPersonUp(QVector3D(0.0f, 1.0f, 0.0f))
{}
void QFirstPersonCameraControllerPrivate::init()
{
//// Actions
// Left Mouse Button Action
m_leftMouseButtonInput->setButtons(QVector<int>() << Qt::LeftButton);
m_leftMouseButtonInput->setSourceDevice(m_mouseDevice);
m_leftMouseButtonAction->addInput(m_leftMouseButtonInput);
// Fine Motion Action
m_fineMotionKeyInput->setButtons(QVector<int>() << Qt::Key_Shift);
m_fineMotionKeyInput->setSourceDevice(m_keyboardDevice);
m_fineMotionAction->addInput(m_fineMotionKeyInput);
//// Axes
// Mouse X
m_mouseRxInput->setAxis(Qt3DInput::QMouseDevice::X);
m_mouseRxInput->setSourceDevice(m_mouseDevice);
m_rxAxis->addInput(m_mouseRxInput);
// Mouse Y
m_mouseRyInput->setAxis(Qt3DInput::QMouseDevice::Y);
m_mouseRyInput->setSourceDevice(m_mouseDevice);
m_ryAxis->addInput(m_mouseRyInput);
// Keyboard Pos Tx
m_keyboardTxPosInput->setButtons(QVector<int>() << Qt::Key_Right);
m_keyboardTxPosInput->setScale(1.0f);
m_keyboardTxPosInput->setSourceDevice(m_keyboardDevice);
m_txAxis->addInput(m_keyboardTxPosInput);
// Keyboard Pos Ty
m_keyboardTyPosInput->setButtons(QVector<int>() << Qt::Key_PageUp);
m_keyboardTyPosInput->setScale(1.0f);
m_keyboardTyPosInput->setSourceDevice(m_keyboardDevice);
m_tyAxis->addInput(m_keyboardTyPosInput);
// Keyboard Pos Tz
m_keyboardTzPosInput->setButtons(QVector<int>() << Qt::Key_Up);
m_keyboardTzPosInput->setScale(1.0f);
m_keyboardTzPosInput->setSourceDevice(m_keyboardDevice);
m_tzAxis->addInput(m_keyboardTzPosInput);
// Keyboard Neg Tx
m_keyboardTxNegInput->setButtons(QVector<int>() << Qt::Key_Left);
m_keyboardTxNegInput->setScale(-1.0f);
m_keyboardTxNegInput->setSourceDevice(m_keyboardDevice);
m_txAxis->addInput(m_keyboardTxNegInput);
// Keyboard Neg Ty
m_keyboardTyNegInput->setButtons(QVector<int>() << Qt::Key_PageDown);
m_keyboardTyNegInput->setScale(-1.0f);
m_keyboardTyNegInput->setSourceDevice(m_keyboardDevice);
m_tyAxis->addInput(m_keyboardTyNegInput);
// Keyboard Neg Tz
m_keyboardTzNegInput->setButtons(QVector<int>() << Qt::Key_Down);
m_keyboardTzNegInput->setScale(-1.0f);
m_keyboardTzNegInput->setSourceDevice(m_keyboardDevice);
m_tzAxis->addInput(m_keyboardTzNegInput);
//// Logical Device
m_logicalDevice->addAction(m_fineMotionAction);
m_logicalDevice->addAction(m_leftMouseButtonAction);
m_logicalDevice->addAxis(m_rxAxis);
m_logicalDevice->addAxis(m_ryAxis);
m_logicalDevice->addAxis(m_txAxis);
m_logicalDevice->addAxis(m_tyAxis);
m_logicalDevice->addAxis(m_tzAxis);
Q_Q(QFirstPersonCameraController);
//// FrameAction
QObject::connect(m_frameAction, SIGNAL(triggered(float)),
q, SLOT(_q_onTriggered(float)));
// Disable the logical device when the entity is disabled
QObject::connect(q, &Qt3DCore::QEntity::enabledChanged,
m_logicalDevice, &Qt3DInput::QLogicalDevice::setEnabled);
q->addComponent(m_frameAction);
q->addComponent(m_logicalDevice);
}
void QFirstPersonCameraControllerPrivate::_q_onTriggered(float dt)
{
if (m_camera != nullptr) {
m_camera->translate(QVector3D(m_txAxis->value() * m_linearSpeed,
m_tyAxis->value() * m_linearSpeed,
m_tzAxis->value() * m_linearSpeed) * dt);
if (m_leftMouseButtonAction->isActive()) {
m_camera->pan(m_rxAxis->value() * m_lookSpeed * dt, m_firstPersonUp);
m_camera->tilt(m_ryAxis->value() * m_lookSpeed * dt);
}
}
}
QFirstPersonCameraController::QFirstPersonCameraController(Qt3DCore::QNode *parent)
: Qt3DCore::QEntity(*new QFirstPersonCameraControllerPrivate, parent)
{
Q_D(QFirstPersonCameraController);
d->init();
}
QFirstPersonCameraController::~QFirstPersonCameraController()
{
}
Qt3DRender::QCamera *QFirstPersonCameraController::camera() const
{
Q_D(const QFirstPersonCameraController);
return d->m_camera;
}
float QFirstPersonCameraController::linearSpeed() const
{
Q_D(const QFirstPersonCameraController);
return d->m_linearSpeed;
}
float QFirstPersonCameraController::lookSpeed() const
{
Q_D(const QFirstPersonCameraController);
return d->m_lookSpeed;
}
void QFirstPersonCameraController::setCamera(Qt3DRender::QCamera *camera)
{
Q_D(QFirstPersonCameraController);
if (d->m_camera != camera) {
d->m_camera = camera;
emit cameraChanged();
}
}
void QFirstPersonCameraController::setLinearSpeed(float linearSpeed)
{
Q_D(QFirstPersonCameraController);
if (d->m_linearSpeed != linearSpeed) {
d->m_linearSpeed = linearSpeed;
emit linearSpeedChanged();
}
}
void QFirstPersonCameraController::setLookSpeed(float lookSpeed)
{
Q_D(QFirstPersonCameraController);
if (d->m_lookSpeed != lookSpeed) {
d->m_lookSpeed = lookSpeed;
emit lookSpeedChanged();
}
}
} // Qt3DExtras
QT_END_NAMESPACE
#include "moc_qfirstpersoncameracontroller.cpp"
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