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code cleaning
This commit is contained in:
Anakin
2017-01-28 16:54:36 +01:00
parent 121f5c47f1
commit 96b7d6f736
15 changed files with 446 additions and 436 deletions
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304
QtMeshViewer/Source/OglViewerWidget.cpp
View File

@@ -1,23 +1,20 @@
#include "..\Header\OglViewerWidget.h"
#include "..\Header\MainWindow.h"
#include <QMouseEvent>
#include <QDropEvent>
#include <QMimeData>
#include <math.h>
#include <iostream>
#define DEFAULT_Z_DISTANCE -4.0
/////////////////////////////////////////////////////////////////////////
// public constructor/destructor
// constructor/destructor
OglViewerWidget::OglViewerWidget(QWidget *parent)
: QOpenGLWidget(parent)
, m_dataEngine(0)
{
setFocus();
m_translation.setZ(DEFAULT_Z_DISTANCE);
setAcceptDrops(true);
m_settings = new SettingsWindow(m_backgroundColorOff.toVector3D() * 255, m_backgroundColorOn.toVector3D() * 255, m_light.intensities * 255, true, m_light.ambientCoefficient, m_light.attenuationFactor, 1, this);
@@ -42,7 +39,135 @@ OglViewerWidget::~OglViewerWidget()
/////////////////////////////////////////////////////////////////////////
// protected functions
// functions
void OglViewerWidget::initShaders()
{
// Compile vertex shader
if (!m_program.addShaderFromSourceFile(QOpenGLShader::Vertex, ":/shaders/vshader.glsl"))
close();
// Compile fragment shader
if (!m_program.addShaderFromSourceFile(QOpenGLShader::Fragment, ":/shaders/fshader.glsl"))
close();
// Link shader pipeline
if (!m_program.link())
close();
// Bind shader pipeline for use
if (!m_program.bind())
close();
}
void OglViewerWidget::setConnections()
{
connect(m_dataEngine, &GeometryEngine::requestResetView, this, &OglViewerWidget::resetView);
connect(parentWidget(), SIGNAL(loadFile(QString)), m_dataEngine, SLOT(loadFile(QString)));
connect(this, SIGNAL(loadFile(QString)), m_dataEngine, SLOT(loadFile(QString)));
connect(m_dataEngine, SIGNAL(sendMessage(QString, int)), parentWidget(), SLOT(printMessage(QString, int)));
connect(m_dataEngine, SIGNAL(requestUpdate()), this, SLOT(update()));
connect(m_dataEngine, SIGNAL(sendFileInfo(QString, QVector<Material>*, int, int)), parentWidget(), SLOT(setFileInfo(QString, QVector<Material>*, int, int)));
}
void OglViewerWidget::resetView()
{
m_rotation = QQuaternion();
m_translation = { 0.0, 0.0, DEFAULT_Z_DISTANCE };
m_zSpeed = 1;
update();
}
void OglViewerWidget::updateLightPosition()
{
QMatrix4x4 rotateBack;
rotateBack.rotate(m_rotation.inverted());
QVector3D cameraPosition = rotateBack * (-m_translation);
m_light.position.setX(cameraPosition.x());
m_light.position.setY(cameraPosition.y());
m_light.position.setZ(cameraPosition.z());
}
// OpenGL ///////////////////////////////////////////////////////////////
void OglViewerWidget::initializeGL()
{
initializeOpenGLFunctions();
initShaders();
// Enable depth buffer
glEnable(GL_DEPTH_TEST);
//TODO: make this optional
// Enable back face culling
//glEnable(GL_CULL_FACE);
// Enable transparency
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
m_dataEngine = new GeometryEngine(this);
setConnections();
}
void OglViewerWidget::resizeGL(int w, int h)
{
// Calculate aspect ratio
qreal aspect = qreal(w) / qreal(h ? h : 1);
// Set near plane to 3.0, far plane to 7.0, field of view 45 degrees
const qreal zNear = 0.1, zFar = 100.0, fov = 45.0;
// Reset projection
m_projection.setToIdentity();
// Set perspective projection
m_projection.perspective(fov, aspect, zNear, zFar);
}
void OglViewerWidget::paintGL()
{
// set background color, last value is dirtybit
if (m_lightOn && m_backgroundColorOn[3] == 1.0)
{
glClearColor(m_backgroundColorOn[0], m_backgroundColorOn[1], m_backgroundColorOn[2], 0.0000f);
m_backgroundColorOn[3] = 0.0;
}
else if (!m_lightOn && m_backgroundColorOff[3] == 1.0)
{
glClearColor(m_backgroundColorOff[0], m_backgroundColorOff[1], m_backgroundColorOff[2], 0.0000f);
m_backgroundColorOff[3] = 0.0;
}
// Clear color and depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Calculate view transformation
QMatrix4x4 view;
view.translate(m_translation);
view.rotate(m_rotation);
// Set view-projection matrix
m_program.setUniformValue("vp_matrix", m_projection * view);
// Set Light values
m_program.setUniformValue("b_light", m_lightOn);
m_program.setUniformValue("light.position", m_light.position);
m_program.setUniformValue("light.intensities", m_light.intensities);
m_program.setUniformValue("light.attenuationFactor", m_light.attenuationFactor);
m_program.setUniformValue("light.ambientCoefficient", m_light.ambientCoefficient);
// Set camera position
QMatrix4x4 rotateBack;
rotateBack.rotate(m_rotation.inverted());
m_program.setUniformValue("cameraPosition", rotateBack * (-m_translation));
// Draw cube geometry
m_dataEngine->drawGeometry(&m_program, m_wireframe);
}
// Inputs ///////////////////////////////////////////////////////////////
void OglViewerWidget::mousePressEvent(QMouseEvent *e)
{
@@ -74,11 +199,13 @@ void OglViewerWidget::mouseMoveEvent(QMouseEvent *e)
// update the new position
m_mouse.position = QVector2D(e->localPos());
// calculate the rotation axis and rotate
// calculate the rotations depending on the active axis
// XYZ
if (m_rotDirections.x && m_rotDirections.y && m_rotDirections.z)
{
m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(diff.y(), diff.x(), 0.0).normalized(), diff.length() * 0.5) * m_rotation;
}
// XY
else if (m_rotDirections.x && m_rotDirections.y && !m_rotDirections.z)
{
@@ -96,18 +223,22 @@ void OglViewerWidget::mouseMoveEvent(QMouseEvent *e)
m_rotation = QQuaternion::fromEulerAngles(pitch, yaw, roll);
}
// X
else if (m_rotDirections.x && !m_rotDirections.y && !m_rotDirections.z)
{
m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(0.0, 1.0, 0.0).normalized(), diff.x() * 0.5) * m_rotation;
}
// Y
else if (!m_rotDirections.x && m_rotDirections.y && !m_rotDirections.z)
{
m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(1.0, 0.0, 0.0).normalized(), diff.y() * 0.5) * m_rotation;
}
// Z
else if (!m_rotDirections.x && !m_rotDirections.y && m_rotDirections.z)
{
m_rotation = QQuaternion::fromAxisAndAngle(QVector3D(0.0, 0.0, 1.0).normalized(), diff.x() * 0.5) * m_rotation;
}
// XZ
else if (m_rotDirections.x && !m_rotDirections.y && m_rotDirections.z)
{
float pitch, yaw, roll;
@@ -117,6 +248,7 @@ void OglViewerWidget::mouseMoveEvent(QMouseEvent *e)
m_rotation = QQuaternion::fromEulerAngles(pitch, yaw, roll);
}
// YZ
else if (!m_rotDirections.x && m_rotDirections.y && m_rotDirections.z)
{
float pitch, yaw, roll;
@@ -132,7 +264,6 @@ void OglViewerWidget::mouseMoveEvent(QMouseEvent *e)
m_rotation = QQuaternion::fromEulerAngles(pitch, yaw, roll);
}
// request an update
update();
}
@@ -158,20 +289,6 @@ void OglViewerWidget::wheelEvent(QWheelEvent *e)
update();
}
void OglViewerWidget::dragEnterEvent(QDragEnterEvent *e)
{
if (e->mimeData()->hasUrls())
if(e->mimeData()->urls().size() == 1)
if(e->mimeData()->urls().first().toLocalFile().endsWith(".msh"))
e->acceptProposedAction();
}
void OglViewerWidget::dropEvent(QDropEvent * e)
{
emit loadFile(e->mimeData()->urls().first().toLocalFile());
}
void OglViewerWidget::keyPressEvent(QKeyEvent *e)
{
if (e->key() == Qt::Key_Space)
@@ -200,147 +317,27 @@ void OglViewerWidget::keyPressEvent(QKeyEvent *e)
}
}
void OglViewerWidget::initializeGL()
void OglViewerWidget::dragEnterEvent(QDragEnterEvent *e)
{
initializeOpenGLFunctions();
//glClearColor(0.5000f, 0.8000f, 1.0000f, 0.0000f);
initShaders();
// Enable depth buffer
glEnable(GL_DEPTH_TEST);
// Enable back face culling
//glEnable(GL_CULL_FACE);
// Enable transparency
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
m_dataEngine = new GeometryEngine(this);
setConnections();
}
void OglViewerWidget::resizeGL(int w, int h)
{
// Calculate aspect ratio
qreal aspect = qreal(w) / qreal(h ? h : 1);
// Set near plane to 3.0, far plane to 7.0, field of view 45 degrees
const qreal zNear = 0.1, zFar = 100.0, fov = 45.0;
// Reset projection
m_projection.setToIdentity();
// Set perspective projection
m_projection.perspective(fov, aspect, zNear, zFar);
}
void OglViewerWidget::paintGL()
{
if (m_lightOn && m_backgroundColorOn[3] == 1.0)
{
glClearColor(m_backgroundColorOn[0], m_backgroundColorOn[1], m_backgroundColorOn[2], 0.0000f);
m_backgroundColorOn[3] = 0.0;
}
else if(!m_lightOn && m_backgroundColorOff[3] == 1.0)
{
glClearColor(m_backgroundColorOff[0], m_backgroundColorOff[1], m_backgroundColorOff[2], 0.0000f);
m_backgroundColorOff[3] = 0.0;
}
// Clear color and depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Calculate model view transformation
QMatrix4x4 view;
view.translate(m_translation);
view.rotate(m_rotation);
// Set view-projection matrix
m_program.setUniformValue("vp_matrix", m_projection * view);
// Set Light values
m_program.setUniformValue("b_light", m_lightOn);
m_program.setUniformValue("light.position", m_light.position);
m_program.setUniformValue("light.intensities", m_light.intensities);
m_program.setUniformValue("light.attenuationFactor", m_light.attenuationFactor);
m_program.setUniformValue("light.ambientCoefficient", m_light.ambientCoefficient);
// Set camera position
QMatrix4x4 rotateBack;
rotateBack.rotate(m_rotation.inverted());
m_program.setUniformValue("cameraPosition", rotateBack * (-m_translation));
// Draw cube geometry
m_dataEngine->drawGeometry(&m_program, m_wireframe);
}
/////////////////////////////////////////////////////////////////////////
// private functions
void OglViewerWidget::initShaders()
{
// Compile vertex shader
if (!m_program.addShaderFromSourceFile(QOpenGLShader::Vertex, ":/shaders/vshader.glsl"))
close();
// Compile fragment shader
if (!m_program.addShaderFromSourceFile(QOpenGLShader::Fragment, ":/shaders/fshader.glsl"))
close();
// Link shader pipeline
if (!m_program.link())
close();
// Bind shader pipeline for use
if (!m_program.bind())
close();
}
void OglViewerWidget::setConnections()
{
connect(m_dataEngine, &GeometryEngine::requestResetView, this, &OglViewerWidget::resetView);
connect(parentWidget(), SIGNAL(loadFile(QString)), m_dataEngine, SLOT(loadFile(QString)));
connect(this, SIGNAL(loadFile(QString)), m_dataEngine, SLOT(loadFile(QString)));
connect(m_dataEngine, SIGNAL(sendMessage(QString, int)), parentWidget(), SLOT(printMessage(QString, int)));
connect(m_dataEngine, SIGNAL(requestUpdate()), this, SLOT(update()));
connect(m_dataEngine, SIGNAL(sendFileInfo(QString, QVector<Material>*, int, int)), parentWidget(), SLOT(setFileInfo(QString, QVector<Material>*, int, int)));
if (e->mimeData()->hasUrls())
if(e->mimeData()->urls().size() == 1)
if(e->mimeData()->urls().first().toLocalFile().endsWith(".msh"))
e->acceptProposedAction();
}
void OglViewerWidget::updateLightPosition()
void OglViewerWidget::dropEvent(QDropEvent * e)
{
QMatrix4x4 rotateBack;
rotateBack.rotate(m_rotation.inverted());
QVector3D cameraPosition = rotateBack * (-m_translation);
m_light.position.setX(cameraPosition.x());
m_light.position.setY(cameraPosition.y());
m_light.position.setZ(cameraPosition.z());
}
/////////////////////////////////////////////////////////////////////////
// private slots
void OglViewerWidget::resetView()
{
m_rotation = QQuaternion();
m_translation = { 0.0, 0.0, DEFAULT_Z_DISTANCE };
m_zSpeed = 1;
update();
emit loadFile(e->mimeData()->urls().first().toLocalFile());
}
/////////////////////////////////////////////////////////////////////////
// public slots
void OglViewerWidget::changeDirection(int direction)
void OglViewerWidget::toggleAxis(int axis)
{
switch (direction)
switch (axis)
{
case 1:
m_rotDirections.x = !m_rotDirections.x;
@@ -356,13 +353,13 @@ void OglViewerWidget::changeDirection(int direction)
void OglViewerWidget::toggleWireframe()
{
m_wireframe = 1 - m_wireframe;
m_wireframe = !m_wireframe;
update();
}
void OglViewerWidget::toggleLight()
{
m_lightOn = 1 - m_lightOn;
m_lightOn = !m_lightOn;
if (m_lightOn)
{
@@ -373,6 +370,7 @@ void OglViewerWidget::toggleLight()
{
m_backgroundColorOff[3] = 1.0;
}
update();
}