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simplifying a bit

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- attaching gradient camera directly to the main camera
- using Vec4ub
pull/593/head
Coleman Smith 4 years ago committed by psi29a
parent 686692519c
commit 842ea9d6ed
4 changed files with 168 additions and 10 deletions
Show Stats Download Patch File Download Diff File

13
apps/opencs/model/prefs/state.cpp
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@ -210,6 +210,19 @@ void CSMPrefs::State::declare()
setTooltip("Size of the orthographic frustum, greater value will allow the camera to see more of the world.").
setRange(10, 10000);
declareDouble ("object-marker-alpha", "Object Marker Transparency", 0.5).setPrecision(2).setRange(0,1);
declareBool("scene-use-gradient", "Use Gradient Background", true);
declareColour ("scene-day-background-colour", "Day Background Colour", QColor (110, 120, 128, 255));
declareColour ("scene-day-gradient-colour", "Day Gradient Colour", QColor (47, 51, 51, 255)).
setTooltip("Sets the gradient color to use in conjunction with the day background color. Ignored if "
"the gradient option is disabled.");
declareColour ("scene-bright-background-colour", "Scene Bright Background Colour", QColor (79, 87, 92, 255));
declareColour ("scene-bright-gradient-colour", "Scene Bright Gradient Colour", QColor (47, 51, 51, 255)).
setTooltip("Sets the gradient color to use in conjunction with the bright background color. Ignored if "
"the gradient option is disabled.");
declareColour ("scene-night-background-colour", "Scene Night Background Colour", QColor (64, 77, 79, 255));
declareColour ("scene-night-gradient-colour", "Scene Night Gradient Colour", QColor (47, 51, 51, 255)).
setTooltip("Sets the gradient color to use in conjunction with the night background color. Ignored if "
"the gradient option is disabled.");
declareCategory ("Tooltips");
declareBool ("scene", "Show Tooltips in 3D scenes", true);

4
apps/opencs/view/render/cellarrow.cpp
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@ -151,9 +151,9 @@ void CSVRender::CellArrow::buildShape()
osg::Vec4Array *colours = new osg::Vec4Array;
for (int i=0; i<6; ++i)
colours->push_back (osg::Vec4f (1.0f, 0.0f, 0.0f, 1.0f));
colours->push_back (osg::Vec4f (0.11, 0.6f, 0.95f, 1.0f));
for (int i=0; i<6; ++i)
colours->push_back (osg::Vec4f (0.8f, (i==2 || i==5) ? 0.6f : 0.4f, 0.0f, 1.0f));
colours->push_back (osg::Vec4f (0.08f, 0.44f, 0.7f, 1.0f));
geometry->setColorArray (colours, osg::Array::BIND_PER_VERTEX);

154
apps/opencs/view/render/scenewidget.cpp
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@ -69,7 +69,6 @@ RenderWidget::RenderWidget(QWidget *parent, Qt::WindowFlags f)
setLayout(layout);
mView->getCamera()->setGraphicsContext(window);
mView->getCamera()->setClearColor( osg::Vec4(0.2, 0.2, 0.6, 1.0) );
mView->getCamera()->setViewport( new osg::Viewport(0, 0, traits->width, traits->height) );
SceneUtil::LightManager* lightMgr = new SceneUtil::LightManager;
@ -212,6 +211,25 @@ SceneWidget::SceneWidget(std::shared_ptr<Resource::ResourceSystem> resourceSyste
mOrbitCamControl->setConstRoll( CSMPrefs::get()["3D Scene Input"]["navi-orbit-const-roll"].isTrue() );
// set up gradient view or configured clear color
QColor bgColour = CSMPrefs::get()["Rendering"]["scene-day-background-colour"].toColor();
if (CSMPrefs::get()["Rendering"]["scene-use-gradient"].isTrue()) {
QColor gradientColour = CSMPrefs::get()["Rendering"]["scene-day-gradient-colour"].toColor();
mGradientCamera = createGradientCamera(bgColour, gradientColour);
mView->getCamera()->setClearMask(0);
mView->getCamera()->addChild(mGradientCamera.get());
}
else {
mView->getCamera()->setClearColor(osg::Vec4(
bgColour.redF(),
bgColour.greenF(),
bgColour.blueF(),
1.0f
));
}
// we handle lighting manually
mView->setLightingMode(osgViewer::View::NO_LIGHT);
@ -249,6 +267,81 @@ SceneWidget::~SceneWidget()
mResourceSystem->releaseGLObjects(mView->getCamera()->getGraphicsContext()->getState());
}
osg::ref_ptr<osg::Geometry> SceneWidget::createGradientRectangle(QColor bgColour, QColor gradientColour)
{
osg::ref_ptr<osg::Geometry> geometry = new osg::Geometry;
osg::ref_ptr<osg::Vec3Array> vertices = new osg::Vec3Array;
vertices->push_back(osg::Vec3(0.0f, 0.0f, -1.0f));
vertices->push_back(osg::Vec3(1.0f, 0.0f, -1.0f));
vertices->push_back(osg::Vec3(0.0f, 1.0f, -1.0f));
vertices->push_back(osg::Vec3(1.0f, 1.0f, -1.0f));
geometry->setVertexArray(vertices);
osg::ref_ptr<osg::DrawElementsUShort> primitives = new osg::DrawElementsUShort (osg::PrimitiveSet::TRIANGLES, 0);
// triangle 1
primitives->push_back (0);
primitives->push_back (1);
primitives->push_back (2);
// triangle 2
primitives->push_back (2);
primitives->push_back (1);
primitives->push_back (3);
geometry->addPrimitiveSet(primitives);
osg::ref_ptr <osg::Vec4ubArray> colours = new osg::Vec4ubArray;
colours->push_back(osg::Vec4ub(gradientColour.red(), gradientColour.green(), gradientColour.blue(), 1.0f));
colours->push_back(osg::Vec4ub(gradientColour.red(), gradientColour.green(), gradientColour.blue(), 1.0f));
colours->push_back(osg::Vec4ub(bgColour.red(), bgColour.green(), bgColour.blue(), 1.0f));
colours->push_back(osg::Vec4ub(bgColour.red(), bgColour.green(), bgColour.blue(), 1.0f));
osg::Vec4ub bgVec = osg::Vec4ub(bgColour.red(), bgColour.green(), bgColour.blue(), 1.0f);
geometry->setColorArray(colours, osg::Array::BIND_PER_VERTEX);
geometry->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
geometry->getOrCreateStateSet()->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
return geometry;
}
osg::ref_ptr<osg::Camera> SceneWidget::createGradientCamera(QColor bgColour, QColor gradientColour)
{
osg::ref_ptr<osg::Camera> camera = new osg::Camera();
camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
camera->setProjectionMatrix(osg::Matrix::ortho2D(0, 1.0f, 0, 1.0f));
camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
camera->setViewMatrix(osg::Matrix::identity());
camera->setClearMask(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
camera->setAllowEventFocus(false);
// draw subgraph before main camera view.
camera->setRenderOrder(osg::Camera::PRE_RENDER);
camera->getOrCreateStateSet()->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
osg::ref_ptr<osg::Geometry> gradientQuad = createGradientRectangle(bgColour, gradientColour);
camera->addChild(gradientQuad);
return camera;
}
void SceneWidget::updateGradientCamera(QColor bgColour, QColor gradientColour)
{
osg::ref_ptr<osg::Geometry> gradientRect = createGradientRectangle(bgColour, gradientColour);
// Replaces previous rectangle
mGradientCamera->setChild(0, gradientRect.get());
}
void SceneWidget::setLighting(Lighting *lighting)
{
if (mLighting)
@ -276,12 +369,59 @@ void SceneWidget::setAmbient(const osg::Vec4f& ambient)
void SceneWidget::selectLightingMode (const std::string& mode)
{
if (mode=="day")
setLighting (&mLightingDay);
else if (mode=="night")
setLighting (&mLightingNight);
else if (mode=="bright")
setLighting (&mLightingBright);
QColor backgroundColour;
QColor gradientColour;
if (mode == "day")
{
backgroundColour = CSMPrefs::get()["Rendering"]["scene-day-background-colour"].toColor();
gradientColour = CSMPrefs::get()["Rendering"]["scene-day-gradient-colour"].toColor();
setLighting(&mLightingDay);
}
else if (mode == "night")
{
backgroundColour = CSMPrefs::get()["Rendering"]["scene-night-background-colour"].toColor();
gradientColour = CSMPrefs::get()["Rendering"]["scene-night-gradient-colour"].toColor();
setLighting(&mLightingNight);
}
else if (mode == "bright")
{
backgroundColour = CSMPrefs::get()["Rendering"]["scene-bright-background-colour"].toColor();
gradientColour = CSMPrefs::get()["Rendering"]["scene-bright-gradient-colour"].toColor();
setLighting(&mLightingBright);
}
if (CSMPrefs::get()["Rendering"]["scene-use-gradient"].isTrue()) {
if (mGradientCamera.get() != nullptr) {
// we can go ahead and update since this camera still exists
updateGradientCamera(backgroundColour, gradientColour);
if (!mView->getCamera()->containsNode(mGradientCamera.get()))
{
// need to re-attach the gradient camera
mView->getCamera()->setClearMask(0);
mView->getCamera()->addChild(mGradientCamera.get());
}
}
else {
// need to create the gradient camera
mGradientCamera = createGradientCamera(backgroundColour, gradientColour);
mView->getCamera()->setClearMask(0);
mView->getCamera()->addChild(mGradientCamera.get());
}
}
else {
// Fall back to using the clear color for the camera
mView->getCamera()->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
mView->getCamera()->setClearColor(osg::Vec4(
backgroundColour.redF(),
backgroundColour.greenF(),
backgroundColour.blueF(),
1.0f
));
if (mGradientCamera.get() != nullptr && mView->getCamera()->containsNode(mGradientCamera.get())) {
// Remove the child to prevent the gradient from rendering
mView->getCamera()->removeChild(mGradientCamera.get());
}
}
}
CSVWidget::SceneToolMode *SceneWidget::makeLightingSelector (CSVWidget::SceneToolbar *parent)

7
apps/opencs/view/render/scenewidget.hpp
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@ -100,10 +100,15 @@ namespace CSVRender
void mouseMoveEvent (QMouseEvent *event) override;
void wheelEvent (QWheelEvent *event) override;
osg::ref_ptr<osg::Geometry> createGradientRectangle(QColor bgColour, QColor gradientColour);
osg::ref_ptr<osg::Camera> createGradientCamera(QColor bgColour, QColor gradientColour);
void updateGradientCamera(QColor bgColour, QColor gradientColour);
std::shared_ptr<Resource::ResourceSystem> mResourceSystem;
Lighting* mLighting;
osg::ref_ptr<osg::Camera> mGradientCamera;
osg::Vec4f mDefaultAmbient;
bool mHasDefaultAmbient;
bool mIsExterior;

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