1
0
Fork 0
flightgear/src/Viewer/splash.cxx

695 lines
24 KiB
C++

// splash.cxx -- draws the initial splash screen
//
// Written by Curtis Olson, started July 1998. (With a little looking
// at Freidemann's panel code.) :-)
//
// Copyright (C) 1997 Michele F. America - nomimarketing@mail.telepac.pt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#include <config.h>
#include <osg/BlendFunc>
#include <osg/Camera>
#include <osg/Depth>
#include <osg/Geometry>
#include <osg/Node>
#include <osg/NodeCallback>
#include <osg/NodeVisitor>
#include <osg/StateSet>
#include <osg/Switch>
#include <osg/Texture2D>
#include <osg/TextureRectangle>
#include <osg/Version>
#include <osgText/Text>
#include <osgText/String>
#include <osgDB/ReadFile>
#include <simgear/compiler.h>
#include <simgear/debug/logstream.hxx>
#include <simgear/math/sg_random.h>
#include <simgear/misc/sg_path.hxx>
#include <Main/globals.hxx>
#include <Main/fg_props.hxx>
#include <Main/fg_os.hxx>
#include <Main/locale.hxx>
#include <Main/util.hxx>
#include "splash.hxx"
#include "renderer.hxx"
#include <sstream>
static const char* LICENSE_URL_TEXT = "Licensed under the GNU GPL. See http://www.flightgear.org for more information";
class SplashScreenUpdateCallback : public osg::NodeCallback {
public:
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
{
SplashScreen* screen = static_cast<SplashScreen*>(node);
screen->doUpdate();
traverse(node, nv);
}
};
SplashScreen::SplashScreen() :
_splashAlphaNode(fgGetNode("/sim/startup/splash-alpha", true))
{
setName("splashGroup");
setUpdateCallback(new SplashScreenUpdateCallback);
}
SplashScreen::~SplashScreen()
{
}
void SplashScreen::createNodes()
{
#if OSG_VERSION_LESS_THAN(3,4,0)
_splashImage = osgDB::readImageFile(selectSplashImage());
#else
_splashImage = osgDB::readRefImageFile(selectSplashImage());
#endif
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);
_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 = createFBOCamera();
addChild(_splashFBOCamera);
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));
osg::StateSet* 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(0.025f, 0.025f), 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();
// order here is important so we can re-write first item with the
// startup tip.
addText(geode, osg::Vec2(0.025f, 0.15f), 0.03, LICENSE_URL_TEXT,
osgText::Text::LEFT_TOP,
nullptr,
0.6);
addText(geode, osg::Vec2(0.025f, 0.025f), 0.10, std::string("FlightGear ") + fgGetString("/sim/version/flightgear"), osgText::Text::LEFT_TOP);
if (!_aircraftLogoVertexArray) {
addText(geode, osg::Vec2(0.025f, 0.935f), 0.10,
fgGetString("/sim/description"),
osgText::Text::LEFT_BOTTOM,
nullptr,
0.6);
_items.back().maxLineCount = 1;
}
const auto authors = flightgear::getAircraftAuthorsText();
addText(geode, osg::Vec2(0.025f, 0.940f), 0.03,
authors,
osgText::Text::LEFT_TOP,
nullptr,
0.6);
_items.back().maxLineCount = 3;
_items.back().maxHeightFraction = 0.055;
}
addText(geode, osg::Vec2(0.975f, 0.935f), 0.03,
"loading status",
osgText::Text::RIGHT_BOTTOM,
fgGetNode("/sim/startup/splash-progress-text", true),
0.4);
addText(geode, osg::Vec2(0.975f, 0.975f), 0.03,
"spinner",
osgText::Text::RIGHT_BOTTOM,
fgGetNode("/sim/startup/splash-progress-spinner", true));
if (!strcmp(FG_BUILD_TYPE, "Nightly")) {
std::string unstableWarningText = globals->get_locale()->getLocalizedString("unstable-warning", "sys", "unstable!");
addText(geode, osg::Vec2(0.5, 0.5), 0.03,
unstableWarningText,
osgText::Text::CENTER_CENTER,
nullptr, -1.0, osg::Vec4(1.0, 0.0, 0.0, 1.0));
}
///////////
geometry = new osg::Geometry;
geometry->setSupportsDisplayList(false);
_splashSpinnerVertexArray = new osg::Vec3Array;
for (int i=0; i < 8; ++i) {
_splashSpinnerVertexArray->push_back(osg::Vec3(0.0f, 0.0f, -0.1f));
}
geometry->setVertexArray(_splashSpinnerVertexArray);
// QColor buttonColor(27, 122, 211);
colorArray = new osg::Vec4Array;
colorArray->push_back(osg::Vec4(27 / 255.0f, 122 / 255.0f, 211 / 255.0f, 0.75f));
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->setAllowEventFocus(false);
_splashQuadCamera->setCullingActive(false);
_splashQuadCamera->setRenderOrder(osg::Camera::NESTED_RENDER);
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(1000, "RenderBin");
stateSet->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
geometry = osg::createTexturedQuadGeometry(osg::Vec3(0.0, 0.0, 0.0),
osg::Vec3(1.0, 0.0, 0.0),
osg::Vec3(0.0, 1.0, 0.0));
geometry->setSupportsDisplayList(false);
_splashFSQuadColor = new osg::Vec4Array;
_splashFSQuadColor->push_back(osg::Vec4(1, 1.0f, 1, 1));
geometry->setColorArray(_splashFSQuadColor);
geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
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);
}
osg::ref_ptr<osg::Camera> SplashScreen::createFBOCamera()
{
osg::ref_ptr<osg::Camera> c = new osg::Camera;
c->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
c->setViewMatrix(osg::Matrix::identity());
c->setClearMask( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
c->setClearColor( osg::Vec4( 0., 0., 0., 0. ) );
c->setAllowEventFocus(false);
c->setCullingActive(false);
c->setRenderTargetImplementation( osg::Camera::FRAME_BUFFER_OBJECT );
c->setRenderOrder(osg::Camera::PRE_RENDER);
c->attach(osg::Camera::COLOR_BUFFER, _splashFBOTexture);
osg::StateSet* stateSet = c->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);
return c;
}
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() || !logoPath.isFile()) {
return;
}
#if OSG_VERSION_LESS_THAN(3,4,0)
_logoImage = osgDB::readImageFile(logoPath.utf8Str());
#else
_logoImage = osgDB::readRefImageFile(logoPath.utf8Str());
#endif
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,
const osg::Vec4& textColor)
{
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(textColor);
t->setFontResolution(64, 64);
t->setText(text, osgText::String::Encoding::ENCODING_UTF8);
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) && (maxHeightFraction < 0.0)) {
return;
}
double heightFraction = maxHeightFraction;
if (heightFraction < 0.0) {
heightFraction = 9999.0;
}
double baseSize = fractionalCharSize;
textNode->update();
while ((textNode->getLineCount() > maxLineCount) ||
(baseSize * textNode->getLineCount() > heightFraction)) {
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;
}
}
}
if (!paths.empty()) {
// Select a random useable texture
const int index = (int)(sg_random() * paths.size());
return paths.at(index).utf8Str();
}
// no splash screen specified - select random image
SGPath tpath = globals->get_fg_root() / "Textures";
int num = (int)(sg_random() * 3.0 + 1.0);
std::ostringstream oss;
oss << "Splash" << num << ".png";
tpath.append(oss.str());
return tpath.utf8Str();
}
void SplashScreen::doUpdate()
{
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(),
osgText::String::Encoding::ENCODING_UTF8);
}
}
updateSplashSpinner();
updateText();
}
}
float scaleAndOffset(float v, float halfWidth)
{
return halfWidth * ((v * 2.0) - 1.0);
}
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;
}
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::updateText()
{
if (!_haveSetStartupTip && (_splashStartTime.elapsedMSec() > 5000)) {
// switch to show tooltip
_haveSetStartupTip = true;
FGLocale* locale = globals->get_locale();
const int tipCount = locale->getLocalizedStringCount("tip", "tips");
int tipIndex = globals->get_props()->getIntValue("/sim/session",0) % tipCount;
std::string tipText = locale->getLocalizedStringWithIndex("tip", "tips", tipIndex);
// find the item to switch
_items.front().textNode->setText(
tipText, osgText::String::Encoding::ENCODING_UTF8);
}
}
// remove once we require OSG 3.4
void SplashScreen::manuallyResizeFBO(int width, int height)
{
_splashFBOTexture->setTextureSize(width, height);
_splashFBOTexture->dirtyTextureObject();
osg::ref_ptr<osg::Camera> newCam = createFBOCamera();
// swap everything around
for (unsigned int i=0; i < _splashFBOCamera->getNumChildren(); ++i) {
newCam->addChild(_splashFBOCamera->getChild(i));
}
addChild(newCam);
removeChild(_splashFBOCamera);
_splashFBOCamera = newCam;
}
void SplashScreen::resize( int width, int height )
{
if (getNumChildren() == 0) {
return;
}
_width = width;
_height = height;
_splashQuadCamera->setViewport(0, 0, width, height);
#if OSG_VERSION_LESS_THAN(3,4,0)
manuallyResizeFBO(width, height);
#else
_splashFBOCamera->resizeAttachments(width, height);
#endif
_splashFBOCamera->setViewport(0, 0, width, height);
_splashFBOCamera->setProjectionMatrixAsOrtho2D(-width * 0.5, width * 0.5,
-height * 0.5, height * 0.5);
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 logoX = fgGetDouble("/sim/startup/splash-logo-x-norm", 0.0) * (width - logoWidth);
float logoY = fgGetDouble("/sim/startup/splash-logo-y-norm", 1.0 - 0.935) * (height - logoHeight);
float originX = logoX - (width * 0.5);
float originY = logoY - (height * 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)
{
text = globals->get_locale()->getLocalizedString(identifier, "sys");
if( text.empty() )
text = std::string("<incomplete language resource>: ") + identifier;
}
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");
if (kbytesPending > 0) {
if (kbytesPending > 1024) {
int mBytesPending = kbytesPending >> 10;
oss << " " << mBytesPending << "Mb";
} else {
oss << " " << kbytesPending << "Kb";
}
}
if (kbytesPerSec > 0) {
if (kbytesPerSec > 100) {
double mbytesPerSec = kbytesPerSec / 1024.0;
oss << " - " << std::fixed << std::setprecision(1) << mbytesPerSec << "Mb/sec";
} else {
oss << " - " << kbytesPerSec << " Kb/sec";
}
}
fgSetString("/sim/startup/splash-progress-spinner", oss.str());
}
// over-write the spinner
if (!strncmp(identifier, "navdata-", 8)) {
std::ostringstream oss;
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);
}