1
0
Fork 0

New splash screen system.

Uses TTF fonts, and displays more information textually including
the application version and current aircraft.

Also rename FGRenderer::splashinit to preinit, as was suggested
a long time ago.
This commit is contained in:
James Turner 2016-11-18 17:53:23 +01:00
parent 17fe0460a9
commit 918db84ac4
6 changed files with 589 additions and 363 deletions

View file

@ -1111,9 +1111,9 @@ void fgStartNewReset()
viewer->getDatabasePager()->setUpThreads(1, 1);
// must do this before splashinit for Rembrandt
// must do this before preinit for Rembrandt
flightgear::CameraGroup::buildDefaultGroup(viewer.get());
render->splashinit();
render->preinit();
viewer->startThreading();
fgOSResetProperties();

View file

@ -534,9 +534,8 @@ int fgMainInit( int argc, char **argv )
fgOSOpenWindow(true /* request stencil buffer */);
fgOSResetProperties();
// Initialize the splash screen right away
fntInit();
fgSplashInit();
globals->get_renderer()->preinit();
fgOutputSettings();

View file

@ -433,10 +433,8 @@ FGRenderer::~FGRenderer()
}
// Initialize various GL/view parameters
// XXX This should be called "preinit" or something, as it initializes
// critical parts of the scene graph in addition to the splash screen.
void
FGRenderer::splashinit( void )
FGRenderer::preinit( void )
{
// important that we reset the viewer sceneData here, to ensure the reference
// time for everything is in sync; otherwise on reset the Viewer and
@ -446,10 +444,10 @@ FGRenderer::splashinit( void )
_viewerSceneRoot = new osg::Group;
_viewerSceneRoot->setName("viewerSceneRoot");
viewer->setSceneData(_viewerSceneRoot);
ref_ptr<Node> splashNode = fgCreateSplashNode();
_splash = new SplashScreen;
if (_classicalRenderer) {
_viewerSceneRoot->addChild(splashNode.get());
_viewerSceneRoot->addChild(_splash);
} else {
for ( CameraGroup::CameraIterator ii = CameraGroup::getDefault()->camerasBegin();
ii != CameraGroup::getDefault()->camerasEnd();
@ -459,7 +457,7 @@ FGRenderer::splashinit( void )
Camera* camera = info->getCamera(DISPLAY_CAMERA);
if (camera == 0) continue;
camera->addChild(splashNode.get());
camera->addChild(_splash);
}
}
@ -1727,6 +1725,9 @@ FGRenderer::resize( int width, int height )
_xsize->setIntValue(width);
_ysize->setIntValue(height);
}
// update splash node if present ?
_splash->resize(width, height);
}
typedef osgUtil::LineSegmentIntersector::Intersection Intersection;

View file

@ -43,6 +43,7 @@ class CameraGroup;
class SGSky;
class SGUpdateVisitor;
class SplashScreen;
typedef std::vector<SGSceneryPick> PickList;
@ -53,7 +54,7 @@ public:
FGRenderer();
~FGRenderer();
void splashinit();
void preinit();
void init();
void setupView();
@ -188,6 +189,8 @@ protected:
void updateSky();
void setupRoot();
SplashScreen* _splash;
};
bool fgDumpSceneGraphToFile(const char* filename);

View file

@ -21,10 +21,7 @@
//
// $Id$
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <config.h>
#include <osg/BlendFunc>
#include <osg/Camera>
@ -36,7 +33,8 @@
#include <osg/StateSet>
#include <osg/Switch>
#include <osg/Texture2D>
#include <osgUtil/CullVisitor>
#include <osg/TextureRectangle>
#include <osgText/Text>
#include <osgDB/ReadFile>
@ -46,11 +44,6 @@
#include <simgear/math/sg_random.h>
#include <simgear/misc/sg_path.hxx>
#include <plib/fnt.h>
#include "GUI/FGFontCache.hxx"
#include "GUI/FGColor.hxx"
#include <Main/globals.hxx>
#include <Main/fg_props.hxx>
#include <Main/fg_os.hxx>
@ -58,358 +51,530 @@
#include "splash.hxx"
#include "renderer.hxx"
class FGSplashUpdateCallback : public osg::Drawable::UpdateCallback {
#include <sstream>
const char* LICENSE_URL_TEXT = "Licensed under the GNU GPL. See http://www.flightgear.org for more information";
class SplashScreenUpdateCallback : public osg::NodeCallback {
public:
FGSplashUpdateCallback(osg::Vec4Array* colorArray, SGPropertyNode* prop) :
_colorArray(colorArray),
_colorProperty(prop),
_alphaProperty(fgGetNode("/sim/startup/splash-alpha", true))
{ }
virtual void update(osg::NodeVisitor*, osg::Drawable*)
{
FGColor c(0, 0, 0);
if (_colorProperty) {
c.merge(_colorProperty);
(*_colorArray)[0][0] = c.red();
(*_colorArray)[0][1] = c.green();
(*_colorArray)[0][2] = c.blue();
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
{
SplashScreen* screen = static_cast<SplashScreen*>(node);
screen->doUpdate();
traverse(node, nv);
}
(*_colorArray)[0][3] = _alphaProperty->getFloatValue();
_colorArray->dirty();
}
private:
osg::ref_ptr<osg::Vec4Array> _colorArray;
SGSharedPtr<const SGPropertyNode> _colorProperty;
SGSharedPtr<const SGPropertyNode> _alphaProperty;
};
class FGSplashTextUpdateCallback : public osg::Drawable::UpdateCallback {
public:
FGSplashTextUpdateCallback(const SGPropertyNode* prop) :
_textProperty(prop),
_alphaProperty(fgGetNode("/sim/startup/splash-alpha", true)),
_styleProperty(fgGetNode("/sim/gui/style[0]", true))
{}
virtual void update(osg::NodeVisitor*, osg::Drawable* drawable)
{
assert(dynamic_cast<osgText::Text*>(drawable));
osgText::Text* text = static_cast<osgText::Text*>(drawable);
FGColor c(1.0, 0.9, 0.0);
c.merge(_styleProperty->getNode("colors/splash-font"));
float alpha = _alphaProperty->getFloatValue();
text->setColor(osg::Vec4(c.red(), c.green(), c.blue(), alpha));
const char* s = _textProperty->getStringValue();
if (s && fgGetBool("/sim/startup/splash-progress", true))
text->setText(s);
else
text->setText("");
}
private:
SGSharedPtr<const SGPropertyNode> _textProperty;
SGSharedPtr<const SGPropertyNode> _alphaProperty;
SGSharedPtr<const SGPropertyNode> _styleProperty;
};
class FGSplashContentProjectionCalback : public osg::NodeCallback {
public:
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
{
assert(dynamic_cast<osgUtil::CullVisitor*>(nv));
osgUtil::CullVisitor* cullVisitor = static_cast<osgUtil::CullVisitor*>(nv);
// adjust the projection matrix in a way that preserves the aspect ratio
// of the content ...
const osg::Viewport* viewport = cullVisitor->getViewport();
float viewportAspect = float(viewport->height())/float(viewport->width());
float height, width;
if (viewportAspect < 1) {
height = 1;
width = 1/viewportAspect;
} else {
height = viewportAspect;
width = 1;
}
osg::RefMatrix* matrix = new osg::RefMatrix;
matrix->makeOrtho2D(-width, width, -height, height);
// The trick is to have the projection matrix adapted independent
// of the scenegraph but dependent on the viewport of this current
// camera we cull for. Therefore we do not put that projection matrix into
// an additional camera rather than from within that cull callback.
cullVisitor->pushProjectionMatrix(matrix);
traverse(node, nv);
cullVisitor->popProjectionMatrix();
}
};
char *genNameString()
SplashScreen::SplashScreen() :
_splashAlphaNode(fgGetNode("/sim/startup/splash-alpha", true))
{
std::string website = "http://www.flightgear.org";
std::string programName = "FlightGear";
char *name = new char[26];
name[20] = 114;
name[8] = 119;
name[5] = 47;
name[12] = 108;
name[2] = 116;
name[1] = 116;
name[16] = 116;
name[13] = 105;
name[17] = 103;
name[19] = 97;
name[25] = 0;
name[0] = 104;
name[24] = 103;
name[21] = 46;
name[15] = 104;
name[3] = 112;
name[22] = 111;
name[18] = 101;
name[7] = 119;
name[14] = 103;
name[23] = 114;
name[4] = 58;
name[11] = 102;
name[9] = 119;
name[10] = 46;
name[6] = 47;
return name;
setName("splashGroup");
setUpdateCallback(new SplashScreenUpdateCallback);
}
static osg::Node* fgCreateSplashCamera()
SplashScreen::~SplashScreen()
{
char *namestring = genNameString();
fgSetString("/sim/startup/program-name", namestring);
delete[] namestring;
}
simgear::PropertyList textures = fgGetNode("/sim/startup", true)->getChildren("splash-texture");
std::vector<SGPath> useable_textures;
SGPath tpath;
void SplashScreen::createNodes()
{
_splashImage = osgDB::readImageFile(selectSplashImage());
// Build a list of textures that are usable; those whose path can be resolved
for (simgear::PropertyList::iterator it = textures.begin(); it != textures.end(); it++) {
std::string value = (*it)->getStringValue();
if (!value.empty()) {
tpath = globals->resolve_maybe_aircraft_path(value);
if (!tpath.isNull()) {
useable_textures.push_back(tpath);
}
else {
SG_LOG(SG_VIEW, SG_ALERT, "Cannot find splash screen file '" << value << "'");
int width = _splashImage->s();
int height = _splashImage->t();
_splashImageAspectRatio = static_cast<double>(width) / height;
osg::TextureRectangle* splashTexture = new osg::TextureRectangle(_splashImage);
splashTexture->setTextureSize(width, height);
splashTexture->setInternalFormat(GL_RGB);
splashTexture->setFilter(osg::Texture::MIN_FILTER, osg::Texture::LINEAR);
splashTexture->setFilter(osg::Texture::MAG_FILTER, osg::Texture::LINEAR);
splashTexture->setImage(_splashImage);
_splashFBOCamera = new osg::Camera;
_splashFBOCamera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
_splashFBOCamera->setViewMatrix(osg::Matrix::identity());
_splashFBOCamera->setClearMask( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
_splashFBOCamera->setClearColor( osg::Vec4( 0., 0., 0., 0. ) );
_splashFBOCamera->setAllowEventFocus(false);
_splashFBOCamera->setCullingActive(false);
_splashFBOTexture = new osg::Texture2D;
_splashFBOTexture->setInternalFormat(GL_RGB);
_splashFBOTexture->setResizeNonPowerOfTwoHint(false);
_splashFBOTexture->setFilter(osg::Texture::MIN_FILTER, osg::Texture::LINEAR);
_splashFBOTexture->setFilter(osg::Texture::MAG_FILTER, osg::Texture::LINEAR);
_splashFBOCamera->setRenderTargetImplementation( osg::Camera::FRAME_BUFFER_OBJECT );
_splashFBOCamera->setRenderOrder(osg::Camera::PRE_RENDER);
_splashFBOCamera->attach(osg::Camera::COLOR_BUFFER, _splashFBOTexture);
addChild(_splashFBOCamera);
osg::StateSet* stateSet = _splashFBOCamera->getOrCreateStateSet();
stateSet->setMode(GL_ALPHA_TEST, osg::StateAttribute::OFF);
stateSet->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
stateSet->setAttribute(new osg::Depth(osg::Depth::ALWAYS, 0, 1, false));
stateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
osg::Geometry* geometry = new osg::Geometry;
geometry->setSupportsDisplayList(false);
_splashImageVertexArray = new osg::Vec3Array;
for (int i=0; i < 4; ++i) {
_splashImageVertexArray->push_back(osg::Vec3(0.0, 0.0, 0.0));
}
geometry->setVertexArray(_splashImageVertexArray);
osg::Vec2Array* imageTCs = new osg::Vec2Array;
imageTCs->push_back(osg::Vec2(0, 0));
imageTCs->push_back(osg::Vec2(width, 0));
imageTCs->push_back(osg::Vec2(width, height));
imageTCs->push_back(osg::Vec2(0, height));
geometry->setTexCoordArray(0, imageTCs);
osg::Vec4Array* colorArray = new osg::Vec4Array;
colorArray->push_back(osg::Vec4(1, 1, 1, 1));
geometry->setColorArray(colorArray);
geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
geometry->addPrimitiveSet(new osg::DrawArrays(GL_POLYGON, 0, 4));
stateSet = geometry->getOrCreateStateSet();
stateSet->setTextureMode(0, GL_TEXTURE_RECTANGLE, osg::StateAttribute::ON);
stateSet->setTextureAttribute(0, splashTexture);
osg::Geode* geode = new osg::Geode;
_splashFBOCamera->addChild(geode);
geode->addDrawable(geometry);
if (_legacySplashScreenMode) {
addText(geode, osg::Vec2(0.025, 0.025), 0.03,
std::string("FlightGear ") + fgGetString("/sim/version/flightgear") +
std::string(" ") + std::string(LICENSE_URL_TEXT),
osgText::Text::LEFT_TOP,
nullptr,
0.9);
} else {
setupLogoImage();
addText(geode, osg::Vec2(0.025, 0.025), 0.10, std::string("FlightGear ") + fgGetString("/sim/version/flightgear"), osgText::Text::LEFT_TOP);
addText(geode, osg::Vec2(0.025, 0.15), 0.03, LICENSE_URL_TEXT,
osgText::Text::LEFT_TOP,
nullptr,
0.6);
if (!_aircraftLogoVertexArray) {
addText(geode, osg::Vec2(0.025, 0.935), 0.10,
fgGetString("/sim/description"),
osgText::Text::LEFT_BOTTOM,
nullptr,
0.6);
_items.back().maxLineCount = 1;
}
addText(geode, osg::Vec2(0.025, 0.975), 0.03,
fgGetString("/sim/author"),
osgText::Text::LEFT_BOTTOM,
nullptr,
0.6);
_items.back().maxLineCount = 1;
}
addText(geode, osg::Vec2(0.975, 0.935), 0.03,
"loading status",
osgText::Text::RIGHT_BOTTOM,
fgGetNode("/sim/startup/splash-progress-text", true),
0.4);
addText(geode, osg::Vec2(0.975, 0.975), 0.03,
"spinner",
osgText::Text::RIGHT_BOTTOM,
fgGetNode("/sim/startup/splash-progress-spinner", true));
///////////
geometry = new osg::Geometry;
geometry->setSupportsDisplayList(false);
_splashSpinnerVertexArray = new osg::Vec3Array;
for (int i=0; i < 8; ++i) {
_splashSpinnerVertexArray->push_back(osg::Vec3(0.0, 0.0, -0.1));
}
geometry->setVertexArray(_splashSpinnerVertexArray);
// QColor buttonColor(27, 122, 211);
colorArray = new osg::Vec4Array;
colorArray->push_back(osg::Vec4(27 / 255.0, 122 / 255.0, 211 / 255.0, 0.75));
geometry->setColorArray(colorArray);
geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
geometry->addPrimitiveSet(new osg::DrawArrays(GL_QUADS, 0, 8));
geode->addDrawable(geometry);
//// Full screen quad setup ////////////////////
_splashQuadCamera = new osg::Camera;
_splashQuadCamera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
_splashQuadCamera->setViewMatrix(osg::Matrix::identity());
_splashQuadCamera->setProjectionMatrixAsOrtho2D(0.0, 1.0, 0.0, 1.0);
_splashQuadCamera->setClearMask( 0 );
_splashQuadCamera->setAllowEventFocus(false);
_splashQuadCamera->setCullingActive(false);
_splashQuadCamera->setRenderOrder(osg::Camera::POST_RENDER, 20000);
stateSet = _splashQuadCamera->getOrCreateStateSet();
stateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
stateSet->setAttribute(new osg::BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA), osg::StateAttribute::ON);
stateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
stateSet->setRenderBinDetails(1, "RenderBin");
geometry = new osg::Geometry;
geometry->setSupportsDisplayList(false);
osg::Vec3Array* splashFullscreenQuadVertices = new osg::Vec3Array;
splashFullscreenQuadVertices->push_back(osg::Vec3(0.0, 0.0, 0.0));
splashFullscreenQuadVertices->push_back(osg::Vec3(1.0, 0.0, 0.0));
splashFullscreenQuadVertices->push_back(osg::Vec3(1.0, 1.0, 0.0));
splashFullscreenQuadVertices->push_back(osg::Vec3(0.0, 1.0, 0.0));
geometry->setVertexArray(splashFullscreenQuadVertices);
osg::Vec2Array* quadTexCoords = new osg::Vec2Array;
quadTexCoords->push_back(osg::Vec2(0, 0));
quadTexCoords->push_back(osg::Vec2(1.0f, 0));
quadTexCoords->push_back(osg::Vec2(1.0f, 1.0f));
quadTexCoords->push_back(osg::Vec2(0, 1.0f));
geometry->setTexCoordArray(0, quadTexCoords);
_splashFSQuadColor = new osg::Vec4Array;
_splashFSQuadColor->push_back(osg::Vec4(1, 1.0f, 1, 1));
geometry->setColorArray(_splashFSQuadColor);
geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
geometry->addPrimitiveSet(new osg::DrawArrays(GL_POLYGON, 0, 4));
stateSet = geometry->getOrCreateStateSet();
stateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
stateSet->setTextureAttribute(0, _splashFBOTexture);
geode = new osg::Geode;
geode->addDrawable(geometry);
_splashQuadCamera->addChild(geode);
addChild(_splashQuadCamera);
}
void SplashScreen::setupLogoImage()
{
// check for a logo image, add underneath other text
SGPath logoPath = globals->resolve_maybe_aircraft_path(fgGetString("/sim/startup/splash-logo-image"));
if (!logoPath.exists()) {
return;
}
_logoImage = osgDB::readImageFile(logoPath.utf8Str());
if (!_logoImage) {
return;
}
osg::Texture2D* logoTexture = new osg::Texture2D(_logoImage);
logoTexture->setResizeNonPowerOfTwoHint(false);
logoTexture->setInternalFormat(GL_RGBA);
logoTexture->setFilter(osg::Texture::MIN_FILTER, osg::Texture::LINEAR);
logoTexture->setFilter(osg::Texture::MAG_FILTER, osg::Texture::LINEAR);
osg::Geometry* geometry = new osg::Geometry;
geometry->setSupportsDisplayList(false);
_aircraftLogoVertexArray = new osg::Vec3Array;
for (int i=0; i < 4; ++i) {
_aircraftLogoVertexArray->push_back(osg::Vec3(0.0, 0.0, 0.0));
}
geometry->setVertexArray(_aircraftLogoVertexArray);
osg::Vec2Array* logoTCs = new osg::Vec2Array;
logoTCs->push_back(osg::Vec2(0, 0));
logoTCs->push_back(osg::Vec2(1.0, 0));
logoTCs->push_back(osg::Vec2(1.0, 1.0));
logoTCs->push_back(osg::Vec2(0, 1.0));
geometry->setTexCoordArray(0, logoTCs);
osg::Vec4Array* colorArray = new osg::Vec4Array;
colorArray->push_back(osg::Vec4(1, 1, 1, 1));
geometry->setColorArray(colorArray);
geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
geometry->addPrimitiveSet(new osg::DrawArrays(GL_POLYGON, 0, 4));
osg::StateSet* stateSet = geometry->getOrCreateStateSet();
stateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
stateSet->setTextureAttribute(0, logoTexture);
stateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
osg::Geode* geode = new osg::Geode;
_splashFBOCamera->addChild(geode);
geode->addDrawable(geometry);
}
void SplashScreen::addText(osg::Geode* geode ,
const osg::Vec2& pos, double size, const std::string& text,
const osgText::Text::AlignmentType alignment,
SGPropertyNode* dynamicValue,
double maxWidthFraction)
{
SGPath path = globals->resolve_resource_path("Fonts/LiberationFonts/LiberationSans-BoldItalic.ttf");
TextItem item;
osg::ref_ptr<osgText::Text> t = new osgText::Text;
item.textNode = t;
t->setFont(path.utf8Str());
t->setColor(osg::Vec4(1, 1, 1, 1));
t->setFontResolution(64, 64);
t->setText(text);
t->setBackdropType(osgText::Text::OUTLINE);
t->setBackdropColor(osg::Vec4(0.2, 0.2, 0.2, 1));
t->setBackdropOffset(0.04);
item.fractionalCharSize = size;
item.fractionalPosition = pos;
item.dynamicContent = dynamicValue;
item.textNode->setAlignment(alignment);
item.maxWidthFraction = maxWidthFraction;
geode->addDrawable(item.textNode);
_items.push_back(item);
}
void SplashScreen::TextItem::reposition(int width, int height) const
{
const int halfWidth = width >> 1;
const int halfHeight = height >> 1;
osg::Vec3 pixelPos(fractionalPosition.x() * width - halfWidth,
(1.0 - fractionalPosition.y()) * height - halfHeight,
-0.1);
textNode->setPosition(pixelPos);
textNode->setCharacterSize(fractionalCharSize * height);
if (maxWidthFraction > 0.0) {
textNode->setMaximumWidth(maxWidthFraction * width);
}
recomputeSize(height);
}
void SplashScreen::TextItem::recomputeSize(int height) const
{
if (maxLineCount == 0) {
return;
}
double baseSize = fractionalCharSize;
textNode->update();
while (textNode->getLineCount() > maxLineCount) {
baseSize *= 0.8; // 20% shrink each time
textNode->setCharacterSize(baseSize * height);
textNode->update();
}
}
std::string SplashScreen::selectSplashImage()
{
sg_srandom_time(); // init random seed
simgear::PropertyList previewNodes = fgGetNode("/sim/previews", true)->getChildren("preview");
std::vector<SGPath> paths;
for (auto n : previewNodes) {
if (!n->getBoolValue("splash", false)) {
continue;
}
SGPath tpath = globals->resolve_maybe_aircraft_path(n->getStringValue("path"));
if (tpath.exists()) {
paths.push_back(tpath);
}
}
if (paths.empty()) {
// look for a legacy aircraft splash
simgear::PropertyList nodes = fgGetNode("/sim/startup", true)->getChildren("splash-texture");
for (auto n : nodes) {
SGPath tpath = globals->resolve_maybe_aircraft_path(n->getStringValue());
if (tpath.exists()) {
paths.push_back(tpath);
_legacySplashScreenMode = true;
}
}
}
// Seed the RNG in order to get randomness
sg_srandom_time();
if (!useable_textures.empty()) {
if (!paths.empty()) {
// Select a random useable texture
const int index = (int)(sg_random() * useable_textures.size());
tpath = useable_textures[index];
const int index = (int)(sg_random() * paths.size());
return paths.at(index).utf8Str();
}
if (tpath.isNull()) {
// no splash screen specified - select random image
tpath = globals->get_fg_root();
// load in the texture data
SGPath tpath = globals->get_fg_root() / "Textures";
int num = (int)(sg_random() * 5.0 + 1.0);
char num_str[5];
snprintf(num_str, 4, "%d", num);
tpath.append( "Textures/Splash" );
tpath.concat( num_str );
tpath.concat( ".png" );
}
SGSharedPtr<SGPropertyNode> style = fgGetNode("/sim/gui/style[0]", true);
osg::Texture2D* splashTexture = new osg::Texture2D;
splashTexture->setImage(osgDB::readImageFile(tpath.local8BitStr()));
osg::Camera* camera = new osg::Camera;
camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
camera->setProjectionMatrix(osg::Matrix::ortho2D(-1, 1, -1, 1));
camera->setViewMatrix(osg::Matrix::identity());
camera->setRenderOrder(osg::Camera::POST_RENDER, 10000);
camera->setClearMask(0);
camera->setAllowEventFocus(false);
camera->setCullingActive(false);
osg::StateSet* stateSet = camera->getOrCreateStateSet();
stateSet->setMode(GL_ALPHA_TEST, osg::StateAttribute::OFF);
stateSet->setMode(GL_BLEND, osg::StateAttribute::ON);
stateSet->setAttribute(new osg::BlendFunc);
stateSet->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
stateSet->setAttribute(new osg::Depth(osg::Depth::ALWAYS, 0, 1, false));
stateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
osg::Geometry* geometry = new osg::Geometry;
geometry->setSupportsDisplayList(false);
osg::Vec3Array* vertexArray = new osg::Vec3Array;
vertexArray->push_back(osg::Vec3(-1, -1, 0));
vertexArray->push_back(osg::Vec3( 1, -1, 0));
vertexArray->push_back(osg::Vec3( 1, 1, 0));
vertexArray->push_back(osg::Vec3(-1, 1, 0));
geometry->setVertexArray(vertexArray);
osg::Vec4Array* colorArray = new osg::Vec4Array;
colorArray->push_back(osg::Vec4(0, 0, 0, 1));
geometry->setColorArray(colorArray);
geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
geometry->addPrimitiveSet(new osg::DrawArrays(GL_POLYGON, 0, 4));
geometry->setUpdateCallback(new FGSplashUpdateCallback(colorArray,
style->getNode("colors/splash-screen")));
osg::Geode* geode = new osg::Geode;
geode->addDrawable(geometry);
stateSet = geode->getOrCreateStateSet();
stateSet->setRenderBinDetails(1, "RenderBin");
camera->addChild(geode);
// The group is needed because of osg is handling the cull callbacks in a
// different way for groups than for a geode. It does not hurt here ...
osg::Group* group = new osg::Group;
group->setCullCallback(new FGSplashContentProjectionCalback);
camera->addChild(group);
geode = new osg::Geode;
stateSet = geode->getOrCreateStateSet();
stateSet->setRenderBinDetails(2, "RenderBin");
group->addChild(geode);
geometry = new osg::Geometry;
geometry->setSupportsDisplayList(false);
vertexArray = new osg::Vec3Array;
vertexArray->push_back(osg::Vec3(-0.84, -0.84, 0));
vertexArray->push_back(osg::Vec3( 0.84, -0.84, 0));
vertexArray->push_back(osg::Vec3( 0.84, 0.84, 0));
vertexArray->push_back(osg::Vec3(-0.84, 0.84, 0));
geometry->setVertexArray(vertexArray);
osg::Vec2Array* texCoordArray = new osg::Vec2Array;
texCoordArray->push_back(osg::Vec2(0, 0));
texCoordArray->push_back(osg::Vec2(1, 0));
texCoordArray->push_back(osg::Vec2(1, 1));
texCoordArray->push_back(osg::Vec2(0, 1));
geometry->setTexCoordArray(0, texCoordArray);
colorArray = new osg::Vec4Array;
colorArray->push_back(osg::Vec4(1, 1, 1, 1));
geometry->setColorArray(colorArray);
geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
geometry->addPrimitiveSet(new osg::DrawArrays(GL_POLYGON, 0, 4));
geometry->setUpdateCallback(new FGSplashUpdateCallback(colorArray, 0));
stateSet = geometry->getOrCreateStateSet();
stateSet->setTextureMode(0, GL_TEXTURE_2D, osg::StateAttribute::ON);
stateSet->setTextureAttribute(0, splashTexture);
geode->addDrawable(geometry);
FGFontCache* fontCache = FGFontCache::instance();
osgText::Text* text = new osgText::Text;
std::string fn = style->getStringValue("fonts/splash", "");
text->setFont(fontCache->getfntpath(fn).local8BitStr());
text->setCharacterSize(0.06);
text->setColor(osg::Vec4(1, 1, 1, 1));
text->setPosition(osg::Vec3(0, -0.92, 0));
text->setAlignment(osgText::Text::CENTER_CENTER);
SGPropertyNode* prop = fgGetNode("/sim/startup/splash-progress-text", true);
prop->setStringValue("");
text->setUpdateCallback(new FGSplashTextUpdateCallback(prop));
geode->addDrawable(text);
osgText::Text* spinnertext = new osgText::Text;
spinnertext->setFont(fontCache->getfntpath(fn).local8BitStr());
spinnertext->setCharacterSize(0.06);
spinnertext->setColor(osg::Vec4(1, 1, 1, 1));
spinnertext->setPosition(osg::Vec3(0, -0.97, 0));
spinnertext->setAlignment(osgText::Text::CENTER_CENTER);
prop = fgGetNode("/sim/startup/splash-progress-spinner", true);
prop->setStringValue("");
spinnertext->setUpdateCallback(new FGSplashTextUpdateCallback(prop));
geode->addDrawable(spinnertext);
text = new osgText::Text;
text->setFont(fontCache->getfntpath(fn).local8BitStr());
text->setCharacterSize(0.08);
text->setColor(osg::Vec4(1, 1, 1, 1));
text->setPosition(osg::Vec3(0, 0.92, 0));
text->setAlignment(osgText::Text::CENTER_CENTER);
prop = fgGetNode("/sim/startup/program-name", "FlightGear");
text->setUpdateCallback(new FGSplashTextUpdateCallback(prop));
geode->addDrawable(text);
text = new osgText::Text;
text->setFont(fontCache->getfntpath(fn).local8BitStr());
text->setCharacterSize(0.06);
text->setColor(osg::Vec4(1, 1, 1, 1));
text->setPosition(osg::Vec3(0, 0.82, 0));
text->setAlignment(osgText::Text::CENTER_CENTER);
prop = fgGetNode("/sim/startup/splash-title", true);
text->setUpdateCallback(new FGSplashTextUpdateCallback(prop));
geode->addDrawable(text);
fgSplashProgress("init");
return camera;
std::ostringstream oss;
oss << "Splash" << num << ".png";
tpath.append(oss.str());
return tpath.utf8Str();
}
// update callback for the switch node guarding that splash
class FGSplashGroupUpdateCallback : public osg::NodeCallback {
public:
FGSplashGroupUpdateCallback() :
_splashAlphaNode(fgGetNode("/sim/startup/splash-alpha", true))
{ }
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
{
assert(dynamic_cast<osg::Group*>(node));
osg::Group* group = static_cast<osg::Group*>(node);
double alpha = _splashAlphaNode->getDoubleValue();
if (alpha <= 0 || !fgGetBool("/sim/startup/splash-screen"))
group->removeChild(0, group->getNumChildren());
else if (group->getNumChildren() == 0)
group->addChild(fgCreateSplashCamera());
traverse(node, nv);
}
private:
SGSharedPtr<const SGPropertyNode> _splashAlphaNode;
};
osg::Node* fgCreateSplashNode() {
osg::Group* group = new osg::Group;
group->setName("splashGroup");
group->setUpdateCallback(new FGSplashGroupUpdateCallback);
return group;
}
// Initialize the splash screen
void fgSplashInit ()
void SplashScreen::doUpdate()
{
globals->get_renderer()->splashinit();
double alpha = _splashAlphaNode->getDoubleValue();
if (alpha <= 0 || !fgGetBool("/sim/startup/splash-screen")) {
removeChild(0, getNumChildren());
_splashFBOCamera = nullptr;
_splashQuadCamera = nullptr;
} else if (getNumChildren() == 0) {
createNodes();
_splashStartTime.stamp();
resize(fgGetInt("/sim/startup/xsize"),
fgGetInt("/sim/startup/ysize"));
} else {
(*_splashFSQuadColor)[0] = osg::Vec4(1.0, 1.0, 1.0, _splashAlphaNode->getFloatValue());
_splashFSQuadColor->dirty();
for (const TextItem& item : _items) {
if (item.dynamicContent) {
item.textNode->setText(item.dynamicContent->getStringValue());
}
}
updateSplashSpinner();
}
}
void fgSplashProgress( const char *identifier, unsigned int percent ) {
const char* spinChars = "-\\|/";
static int spin_count = 0;
std::string spin_status = std::string("");
float scaleAndOffset(float v, float halfWidth)
{
return halfWidth * ((v * 2.0) - 1.0);
}
if (identifier[0] != 0)
spin_status += spinChars[spin_count++ % 4];
void SplashScreen::updateSplashSpinner()
{
const int elapsedMsec = _splashStartTime.elapsedMSec();
float splashSpinnerPos = (elapsedMsec % 2000) / 2000.0f;
float endPos = splashSpinnerPos + 0.25f;
float wrapStartPos = 0.0f;
float wrapEndPos = 0.0f; // no wrapped quad
if (endPos > 1.0f) {
wrapEndPos = endPos - 1.0f;
}
fgSetString("/sim/startup/splash-progress-spinner", spin_status);
const float halfWidth = _width * 0.5f;
const float halfHeight = _height * 0.5f;
const float bottomY = -halfHeight;
const float topY = bottomY + 8;
const float z = -0.05f;
splashSpinnerPos = scaleAndOffset(splashSpinnerPos, halfWidth);
endPos = scaleAndOffset(endPos, halfWidth);
wrapStartPos = scaleAndOffset(wrapStartPos, halfWidth);
wrapEndPos = scaleAndOffset(wrapEndPos, halfWidth);
osg::Vec3 positions[8] = {
osg::Vec3(splashSpinnerPos, bottomY, z),
osg::Vec3(endPos, bottomY, z),
osg::Vec3(endPos,topY, z),
osg::Vec3(splashSpinnerPos, topY, z),
osg::Vec3(wrapStartPos, bottomY, z),
osg::Vec3(wrapEndPos, bottomY, z),
osg::Vec3(wrapEndPos,topY, z),
osg::Vec3(wrapStartPos, topY, z)
};
for (int i=0; i<8; ++i) {
(*_splashSpinnerVertexArray)[i] = positions[i];
}
_splashSpinnerVertexArray->dirty();
}
void SplashScreen::resize( int width, int height )
{
if (getNumChildren() == 0) {
return;
}
_width = width;
_height = height;
_splashFBOCamera->setViewport(0, 0, width, height);
_splashFBOCamera->setProjectionMatrixAsOrtho2D(-width * 0.5, width * 0.5,
-height * 0.5, height * 0.5);
_splashQuadCamera->setViewport(0, 0, width, height);
_splashFBOCamera->resizeAttachments(width, height);
double halfWidth = width * 0.5;
double halfHeight = height * 0.5;
const double screenAspectRatio = static_cast<double>(width) / height;
if (_legacySplashScreenMode) {
halfWidth = width * 0.4;
halfHeight = height * 0.4;
if (screenAspectRatio > _splashImageAspectRatio) {
// screen is wider than our image
halfWidth = halfHeight;
} else {
// screen is taller than our image
halfHeight = halfWidth;
}
} else {
// adjust vertex positions; image covers entire area
if (screenAspectRatio > _splashImageAspectRatio) {
// screen is wider than our image
halfHeight = halfWidth / _splashImageAspectRatio;
} else {
// screen is taller than our image
halfWidth = halfHeight * _splashImageAspectRatio;
}
}
// adjust vertex positions and mark as dirty
osg::Vec3 positions[4] = {
osg::Vec3(-halfWidth, -halfHeight, 0.0),
osg::Vec3(halfWidth, -halfHeight, 0.0),
osg::Vec3(halfWidth, halfHeight, 0.0),
osg::Vec3(-halfWidth, halfHeight, 0.0)
};
for (int i=0; i<4; ++i) {
(*_splashImageVertexArray)[i] = positions[i];
}
_splashImageVertexArray->dirty();
if (_aircraftLogoVertexArray) {
float logoWidth = fgGetDouble("/sim/startup/splash-logo-width", 0.6) * width;
float logoHeight = _logoImage->t() * (logoWidth / _logoImage->s());
float originX = width * -0.5;
float originY = height * ((1.0 - 0.935) - 0.5);
osg::Vec3 positions[4] = {
osg::Vec3(originX, originY, 0.0),
osg::Vec3(originX + logoWidth, originY, 0.0),
osg::Vec3(originX + logoWidth, originY + logoHeight, 0.0),
osg::Vec3(originX, originY + logoHeight, 0.0)
};
for (int i=0; i<4; ++i) {
(*_aircraftLogoVertexArray)[i] = positions[i];
}
_aircraftLogoVertexArray->dirty();
}
for (const TextItem& item : _items) {
item.reposition(width, height);
}
}
void fgSplashProgress( const char *identifier, unsigned int percent )
{
fgSetString("/sim/startup/splash-progress-spinner", "");
std::string text;
if (identifier[0] != 0)
@ -420,12 +585,11 @@ void fgSplashProgress( const char *identifier, unsigned int percent ) {
if( text.empty() )
text = "<incomplete language resource>: " + id;
}
if (!strcmp(identifier,"downloading-scenery")) {
std::ostringstream oss;
unsigned int kbytesPerSec = fgGetInt("/sim/terrasync/transfer-rate-bytes-sec") / 1024;
unsigned int kbytesPending = fgGetInt("/sim/terrasync/pending-kbytes");
oss << text;
if (kbytesPending > 0) {
if (kbytesPending > 1024) {
int mBytesPending = kbytesPending >> 10;
@ -442,8 +606,7 @@ void fgSplashProgress( const char *identifier, unsigned int percent ) {
oss << " - " << kbytesPerSec << " Kb/sec";
}
}
fgSetString("/sim/startup/splash-progress-text", oss.str());
return;
fgSetString("/sim/startup/splash-progress-spinner", oss.str());
}
// over-write the spinner
@ -452,10 +615,10 @@ void fgSplashProgress( const char *identifier, unsigned int percent ) {
oss << percent << "% complete";
fgSetString("/sim/startup/splash-progress-spinner", oss.str());
}
if( fgGetString("/sim/startup/splash-progress-text") == text )
return;
SG_LOG( SG_VIEW, SG_INFO, "Splash screen progress " << identifier );
fgSetString("/sim/startup/splash-progress-text", text);
}

View file

@ -25,22 +25,82 @@
#ifndef _SPLASH_HXX
#define _SPLASH_HXX
#include <osg/Node>
#include <osg/Group>
#include <osgText/Text>
#ifndef __cplusplus
# error This library requires C++
#endif
#include <simgear/props/props.hxx>
#include <simgear/timing/timestamp.hxx>
/** Initialize the splash screen */
void fgSplashInit ();
#include <vector>
namespace osg
{
class Texture2D;
class Image;
class Camera;
}
class SplashScreen : public osg::Group
{
public:
SplashScreen();
~SplashScreen();
void resize(int width, int height);
private:
friend class SplashScreenUpdateCallback;
void createNodes();
void setupLogoImage();
void doUpdate();
void updateSplashSpinner();
std::string selectSplashImage();
void addText(osg::Geode* geode, const osg::Vec2& pos, double size, const std::string& text,
const osgText::Text::AlignmentType alignment,
SGPropertyNode* dynamicValue = nullptr,
double maxWidthFraction = -1.0);
bool _legacySplashScreenMode = false;
SGPropertyNode_ptr _splashAlphaNode;
osg::ref_ptr<osg::Camera> _splashFBOCamera;
double _splashImageAspectRatio; // stores width/height of the splash image we loaded
osg::Image* _splashImage = nullptr;
osg::Image* _logoImage = nullptr;
osg::Vec3Array* _splashImageVertexArray = nullptr;
osg::Vec3Array* _splashSpinnerVertexArray = nullptr;
osg::Vec3Array* _aircraftLogoVertexArray = nullptr;
int _width, _height;
osg::Texture2D* _splashFBOTexture;
osg::Vec4Array* _splashFSQuadColor;
osg::ref_ptr<osg::Camera> _splashQuadCamera;
struct TextItem
{
osg::ref_ptr<osgText::Text> textNode;
SGPropertyNode_ptr dynamicContent;
osg::Vec2 fractionalPosition; // position in the 0.0 .. 1.0 range
double fractionalCharSize;
double maxWidthFraction = -1.0;
unsigned int maxLineCount = 0;
void recomputeSize(int height) const;
void reposition(int width, int height) const;
};
std::vector<TextItem> _items;
SGTimeStamp _splashStartTime;
};
/** Set progress information.
* "identifier" references an element of the language resource. */
void fgSplashProgress ( const char *identifier, unsigned int percent = 0 );
/** Retrieve the splash screen node */
osg::Node* fgCreateSplashNode();
#endif // _SPLASH_HXX