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glview.cpp
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glview.cpp
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/***** BEGIN LICENSE BLOCK *****
BSD License
Copyright (c) 2005-2012, NIF File Format Library and Tools
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. 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.
3. The name of the NIF File Format Library and Tools project may not be
used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
***** END LICENCE BLOCK *****/
#include <QtCore>
#include <QtGui>
#include "gl/GLee.h"
#include <QGLContext>
#ifdef __APPLE__
#include <OpenGL/glu.h>
#else
#include <GL/glu.h>
#endif
#include "glview.h"
#include <math.h>
#include "nifmodel.h"
#include "gl/glscene.h"
#include "gl/gltex.h"
#include "options.h"
#include "widgets/fileselect.h"
#include "widgets/floatedit.h"
#include "widgets/floatslider.h"
#define FPS 25
#define FOV 45.0
#define MOV_SPD 350
#define ROT_SPD 45
#define ZOOM_MIN 1.0
#define ZOOM_MAX 1000.0
#ifndef M_PI
#define M_PI 3.1415926535897932385
#endif
//! \file glview.cpp GLView implementation
GLView * GLView::create()
{
static QList< QPointer<GLView> > views;
QGLWidget * share = 0;
foreach ( QPointer<GLView> v, views )
if ( v ) share = v;
QGLFormat fmt;
fmt.setDoubleBuffer(true);
fmt.setRgba(true);
if ( share )
fmt = share->format();
else
fmt.setSampleBuffers( Options::antialias() );
views.append( QPointer<GLView>( new GLView( fmt, share ) ) );
return views.last();
}
GLView::GLView( const QGLFormat & format, const QGLWidget * shareWidget )
: QGLWidget( format, 0, shareWidget )
{
setFocusPolicy( Qt::ClickFocus );
setAttribute( Qt::WA_NoSystemBackground );
setAcceptDrops( true );
//setContextMenuPolicy( Qt::CustomContextMenu );
Zoom = 1.0;
zInc = 1;
doCenter = false;
doCompile = false;
model = 0;
time = 0.0;
lastTime = QTime::currentTime();
fpsact = 0.0;
fpsacc = 0.0;
fpscnt = 0;
textures = new TexCache( this );
scene = new Scene( textures );
connect( textures, SIGNAL( sigRefresh() ), this, SLOT( update() ) );
timer = new QTimer(this);
timer->setInterval( 1000 / FPS );
timer->start();
connect( timer, SIGNAL( timeout() ), this, SLOT( advanceGears() ) );
grpView = new QActionGroup( this );
grpView->setExclusive( false );
connect( grpView, SIGNAL( triggered( QAction * ) ), this, SLOT( viewAction( QAction * ) ) );
aViewTop = new QAction( QIcon( ":/btn/viewTop" ), tr("Top"), grpView );
aViewTop->setToolTip( tr("View from above") );
aViewTop->setCheckable( true );
aViewTop->setShortcut( Qt::Key_F5 );
grpView->addAction( aViewTop );
aViewFront = new QAction( QIcon( ":/btn/viewFront" ), tr("Front"), grpView );
aViewFront->setToolTip( tr("View from the front") );
aViewFront->setCheckable( true );
aViewFront->setChecked( true );
aViewFront->setShortcut( Qt::Key_F6 );
grpView->addAction( aViewFront );
aViewSide = new QAction( QIcon( ":/btn/viewSide" ), tr("Side"), grpView );
aViewSide->setToolTip( tr("View from the side") );
aViewSide->setCheckable( true );
aViewSide->setShortcut( Qt::Key_F7 );
grpView->addAction( aViewSide );
aViewUser = new QAction( QIcon( ":/btn/viewUser" ), tr("User"), grpView );
aViewUser->setToolTip( tr("Restore the view as it was when Save User View was activated") );
aViewUser->setCheckable( true );
aViewUser->setShortcut( Qt::Key_F8 );
grpView->addAction( aViewUser );
aViewWalk = new QAction( QIcon( ":/btn/viewWalk" ), tr("Walk"), grpView );
aViewWalk->setToolTip( tr("Enable walk mode") );
aViewWalk->setCheckable( true );
aViewWalk->setShortcut( Qt::Key_F9 );
grpView->addAction( aViewWalk );
aViewFlip = new QAction( QIcon( ":/btn/viewFlip" ), tr("Flip"), this );
aViewFlip->setToolTip( tr("Flip View from Front to Back, Top to Bottom, Side to Other Side") );
aViewFlip->setCheckable( true );
aViewFlip->setShortcut( Qt::Key_F11 );
grpView->addAction( aViewFlip );
aViewPerspective = new QAction( QIcon( ":/btn/viewPers" ), tr("Perspective"), this );
aViewPerspective->setToolTip( tr("Perspective View Transformation or Orthogonal View Transformation") );
aViewPerspective->setCheckable( true );
aViewPerspective->setShortcut( Qt::Key_F10 );
grpView->addAction( aViewPerspective );
aViewUserSave = new QAction( tr("Save User View"), this );
aViewUserSave->setToolTip( tr("Save current view rotation, position and distance") );
aViewUserSave->setShortcut( Qt::CTRL + Qt::Key_F9 );
connect( aViewUserSave, SIGNAL( triggered() ), this, SLOT( sltSaveUserView() ) );
#ifndef USE_GL_QPAINTER
#ifndef QT_NO_DEBUG
aPrintView = new QAction( tr("Save View To File..."), this );
connect( aPrintView, SIGNAL( triggered() ), this, SLOT( savePixmap() ) );
#endif // QT_NO_DEBUG
#endif // USE_GL_QPAINTER
aAnimate = new QAction( tr("&Animations"), this );
aAnimate->setToolTip( tr("enables evaluation of animation controllers") );
aAnimate->setCheckable( true );
aAnimate->setChecked( true );
connect( aAnimate, SIGNAL( toggled( bool ) ), this, SLOT( checkActions() ) );
addAction( aAnimate );
aAnimPlay = new QAction( QIcon( ":/btn/play" ), tr("&Play"), this );
aAnimPlay->setCheckable( true );
aAnimPlay->setChecked( true );
connect( aAnimPlay, SIGNAL( toggled( bool ) ), this, SLOT( checkActions() ) );
aAnimLoop = new QAction( QIcon( ":/btn/loop" ), tr("&Loop"), this );
aAnimLoop->setCheckable( true );
aAnimLoop->setChecked( true );
aAnimSwitch = new QAction( QIcon( ":/btn/switch" ), tr("&Switch"), this );
aAnimSwitch->setCheckable( true );
aAnimSwitch->setChecked( true );
// animation tool bar
tAnim = new QToolBar( tr("Animation") );
tAnim->setObjectName( "AnimTool" );
tAnim->setAllowedAreas( Qt::TopToolBarArea | Qt::BottomToolBarArea );
tAnim->setIconSize( QSize( 16, 16 ) );
connect( aAnimate, SIGNAL( toggled( bool ) ), tAnim->toggleViewAction(), SLOT( setChecked( bool ) ) );
connect( aAnimate, SIGNAL( toggled( bool ) ), tAnim, SLOT( setVisible( bool ) ) );
connect( tAnim->toggleViewAction(), SIGNAL( toggled( bool ) ), aAnimate, SLOT( setChecked( bool ) ) );
tAnim->addAction( aAnimPlay );
sldTime = new FloatSlider( Qt::Horizontal, true, true );
sldTime->setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Maximum );
connect( this, SIGNAL( sigTime( float, float, float ) ), sldTime, SLOT( set( float, float, float ) ) );
connect( sldTime, SIGNAL( valueChanged( float ) ), this, SLOT( sltTime( float ) ) );
tAnim->addWidget( sldTime );
FloatEdit * edtTime = new FloatEdit;
edtTime->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Maximum );
connect( this, SIGNAL( sigTime( float, float, float ) ), edtTime, SLOT( set( float, float, float ) ) );
connect( edtTime, SIGNAL( sigEdited( float ) ), this, SLOT( sltTime( float ) ) );
connect( sldTime, SIGNAL( valueChanged( float ) ), edtTime, SLOT( setValue( float ) ) );
connect( edtTime, SIGNAL( sigEdited( float ) ), sldTime, SLOT( setValue( float ) ) );
sldTime->addEditor( edtTime );
tAnim->addAction( aAnimLoop );
tAnim->addAction( aAnimSwitch );
animGroups = new QComboBox();
animGroups->setMinimumWidth( 100 );
connect( animGroups, SIGNAL( activated( const QString & ) ), this, SLOT( sltSequence( const QString & ) ) );
tAnim->addWidget( animGroups );
connect( Options::get(), SIGNAL( sigChanged() ), textures, SLOT( flush() ) );
connect( Options::get(), SIGNAL( sigChanged() ), this, SLOT( update() ) );
connect( Options::get(), SIGNAL( materialOverridesChanged() ), this, SLOT( sceneUpdate() ) );
#ifdef Q_OS_LINUX
// extra whitespace for linux
QWidget * extraspace = new QWidget();
extraspace->setFixedWidth(5);
tAnim->addWidget( extraspace );
#endif
tView = new QToolBar( tr("Render View") );
tView->setObjectName( "ViewTool" );
tView->setAllowedAreas( Qt::TopToolBarArea | Qt::BottomToolBarArea );
tView->setIconSize( QSize( 16, 16 ) );
tView->addAction( aViewTop );
tView->addAction( aViewFront );
tView->addAction( aViewSide );
tView->addAction( aViewUser );
tView->addAction( aViewWalk );
tView->addSeparator();
tView->addAction( aViewFlip );
tView->addAction( aViewPerspective );
#ifdef Q_OS_LINUX
// extra whitespace for linux
extraspace = new QWidget();
extraspace->setFixedWidth(5);
tView->addWidget( extraspace );
#endif
}
GLView::~GLView()
{
delete scene;
}
QList<QToolBar*> GLView::toolbars() const
{
return QList<QToolBar*>() << tView << tAnim;
}
QMenu * GLView::createMenu() const
{
QMenu * m = new QMenu( tr("&Render") );
m->addAction( aViewTop );
m->addAction( aViewFront );
m->addAction( aViewSide );
m->addAction( aViewWalk );
m->addAction( aViewUser );
m->addSeparator();
m->addAction( aViewFlip );
m->addAction( aViewPerspective );
m->addAction( aViewUserSave );
m->addSeparator();
#ifndef USE_GL_QPAINTER
#ifndef QT_NO_DEBUG
m->addAction( aPrintView );
m->addSeparator();
#endif // QT_NO_DEBUG
#endif // USE_GL_QPAINTER
m->addActions( Options::actions() );
return m;
}
void GLView::updateShaders()
{
makeCurrent();
scene->updateShaders();
update();
}
/*
* OpenGL stuff
*/
void GLView::initializeGL()
{
initializeTextureUnits( context() );
if ( Renderer::initialize( context() ) )
updateShaders();
// check for errors
GLenum err;
while ( ( err = glGetError() ) != GL_NO_ERROR )
qDebug() << tr("GL ERROR (init) : ") << (const char *) gluErrorString( err );
}
void GLView::glProjection( int x, int y )
{
GLint viewport[4];
glGetIntegerv( GL_VIEWPORT, viewport );
GLdouble aspect = (GLdouble) viewport[2] / (GLdouble) viewport[3];
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
/*if ( x >= 0 && y >= 0 )
{
//gluPickMatrix( (GLdouble) x, (GLdouble) (viewport[3]-y), 10.0f, 10.0f, viewport);
// commented out because:
// 1. It damages "glPointSize" & "glLineWidth" proven by "glReadPixels"
// 2. It will be no longer needed
// It doesn't affect glRenderMode( GL_SELECT )
// "WinXP", "Catalyst" 10.10, HD 4850
} - disabled glRenderMode( GL_SELECT );*/
BoundSphere bs = scene->view * scene->bounds();
if ( Options::drawAxes() )
bs |= BoundSphere( scene->view * Vector3(), axis );
GLdouble nr = fabs( bs.center[2] ) - bs.radius * 1.2;
GLdouble fr = fabs( bs.center[2] ) + bs.radius * 1.2;
//qWarning() << nr << fr;
if ( aViewPerspective->isChecked() || aViewWalk->isChecked() )
{
if ( nr < 1.0 ) nr = 1.0;
if ( fr < 2.0 ) fr = 2.0;
if (nr > fr) {// add: swap them when needed
GLfloat tmp = nr;
nr = fr;
fr = tmp;
}
if ((fr - nr) < 0.00001f) {// add: ensure distance
nr = 1.0;
fr = 2.0;
}
GLdouble h2 = tan( ( FOV / Zoom ) / 360 * M_PI ) * nr;
GLdouble w2 = h2 * aspect;
glFrustum( - w2, + w2, - h2, + h2, nr, fr );
}
else
{
GLdouble h2 = Dist / Zoom;
GLdouble w2 = h2 * aspect;
glOrtho( - w2, + w2, - h2, + h2, nr, fr );
}
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void GLView::center()
{
doCenter = true;
update();
}
#ifdef USE_GL_QPAINTER
void GLView::paintEvent( QPaintEvent * event )
{
makeCurrent();
QPainter painter;
painter.begin( this );
painter.setRenderHint( QPainter::TextAntialiasing );
#else
void GLView::paintGL()
{
#endif
// save gl state for later use by qpainter
glPushAttrib(GL_ALL_ATTRIB_BITS);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glViewport( 0, 0, width(), height() );
qglClearColor( Options::bgColor() );
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glShadeModel( GL_SMOOTH );
// compile the model
if ( doCompile )
{
textures->setNifFolder( model->getFolder() );
scene->make( model );
scene->transform( Transform(), scene->timeMin() );
axis = scene->bounds().radius < 0 ? 1 : scene->bounds().radius * 1.4;// fix: the axis appearance when there is no scene yet
if ( axis == 0 ) axis = 1;
if ( time < scene->timeMin() || time > scene->timeMax() )
time = scene->timeMin();
emit sigTime( time, scene->timeMin(), scene->timeMax() );
animGroups->clear();
animGroups->addItems( scene->animGroups );
animGroups->setCurrentIndex( scene->animGroups.indexOf( scene->animGroup ) );
doCompile = false;
}
// center the model
if ( doCenter )
{
viewAction( checkedViewAction() );
doCenter = false;
}
// transform the scene
Matrix ap;
if ( Options::upAxis() == Options::YAxis )
{
ap( 0, 0 ) = 0; ap( 0, 1 ) = 0; ap( 0, 2 ) = 1;
ap( 1, 0 ) = 1; ap( 1, 1 ) = 0; ap( 1, 2 ) = 0;
ap( 2, 0 ) = 0; ap( 2, 1 ) = 1; ap( 2, 2 ) = 0;
}
else if ( Options::upAxis() == Options::XAxis )
{
ap( 0, 0 ) = 0; ap( 0, 1 ) = 1; ap( 0, 2 ) = 0;
ap( 1, 0 ) = 0; ap( 1, 1 ) = 0; ap( 1, 2 ) = 1;
ap( 2, 0 ) = 1; ap( 2, 1 ) = 0; ap( 2, 2 ) = 0;
}
Transform viewTrans;
viewTrans.rotation.fromEuler( Rot[0] / 180.0 * PI, Rot[1] / 180.0 * PI, Rot[2] / 180.0 * PI );
viewTrans.rotation = viewTrans.rotation * ap;
viewTrans.translation = viewTrans.rotation * Pos;
if ( ! aViewWalk->isChecked() )
viewTrans.translation[2] -= Dist * 2;
scene->transform( viewTrans, time );
// setup projection mode
glProjection();
glLoadIdentity();
// draw the axis
if ( Options::drawAxes() )
{
glDisable( GL_ALPHA_TEST );
glDisable( GL_BLEND );
glDisable( GL_LIGHTING );
glDisable( GL_COLOR_MATERIAL );
glEnable( GL_DEPTH_TEST );
glDepthMask( GL_TRUE );
glDepthFunc( GL_LESS );
glDisable( GL_TEXTURE_2D );
glDisable( GL_NORMALIZE );
glLineWidth( 2.0f );
glPushMatrix();
glLoadMatrix( viewTrans );
drawAxes( Vector3(), axis );
glPopMatrix();
}
// setup light
Vector4 lightDir( 0.0, 0.0, 1.0, 0.0 );
if ( ! Options::lightFrontal() )
{
float decl = Options::lightDeclination() / 180.0 * PI;
Vector3 v( sin( decl ), 0, cos( decl ) );
Matrix m; m.fromEuler( 0, 0, Options::lightPlanarAngle() / 180.0 * PI );
v = m * v;
lightDir = Vector4( viewTrans.rotation * v, 0.0 );
}
glLightfv( GL_LIGHT0, GL_POSITION, lightDir.data() );
glLightfv( GL_LIGHT0, GL_AMBIENT, Color4( Options::ambient() ).data() );
glLightfv( GL_LIGHT0, GL_DIFFUSE, Color4( Options::diffuse() ).data() );
glLightfv( GL_LIGHT0, GL_SPECULAR, Color4( Options::specular() ).data() );
glLightModeli( GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE );
glEnable( GL_LIGHT0 );
glEnable( GL_LIGHTING );
// Initialize Rendering Font
glListBase(fontDisplayListBase(QFont(), 2000));
// color-key slect debug for non-meshes
/*//glDisable( GL_MULTISAMPLE );
glDisable( GL_LINE_SMOOTH );
glDisable (GL_TEXTURE_2D);
glDisable (GL_BLEND);
glDisable (GL_DITHER);
glDisable (GL_LIGHTING);
glShadeModel (GL_FLAT);
glDisable (GL_FOG);
//glDisable (GL_MULTISAMPLE_ARB);
// To limit selection to visible surfaces, depth testing should be enabled.
glEnable (GL_DEPTH_TEST);
glDepthFunc (GL_LEQUAL);*/
// draw the model
scene->draw();
// restore gl state
glPopAttrib();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
// check for errors
GLenum err;
while ( ( err = glGetError() ) != GL_NO_ERROR )
qDebug() << tr("GL ERROR (paint): ") << (const char *) gluErrorString( err );
// update fps counter
if ( fpsacc > 1.0 && fpscnt )
{
fpsacc /= fpscnt;
if ( fpsacc > 0.0001 )
fpsact = 1.0 / fpsacc;
else
fpsact = 10000;
fpsacc = 0;
fpscnt = 0;
}
emit paintUpdate();
#ifdef USE_GL_QPAINTER
// draw text on top using QPainter
if ( Options::benchmark() || Options::drawStats() )
{
int ls = QFontMetrics( font() ).lineSpacing();
int y = 1;
painter.setPen( Options::hlColor() );
if ( Options::benchmark() )
{
painter.drawText( 10, y++ * ls, QString( "FPS %1" ).arg( int( fpsact ) ) );
y++;
}
if ( Options::drawStats() )
{
QString stats = scene->textStats();
QStringList lines = stats.split( "\n" );
foreach ( QString line, lines )
painter.drawText( 10, y++ * ls, line );
}
}
painter.end();
#endif
}
bool compareHits( const QPair< GLuint, GLuint > & a, const QPair< GLuint, GLuint > & b )
{
if ( a.second < b.second )
return true;
else
return false;
}
typedef void (Scene::*DrawFunc)(void);
int indexAt( /*GLuint *buffer,*/ NifModel *model, Scene *scene, QList<DrawFunc> drawFunc, int cycle, const QPoint & pos )
{
Q_UNUSED(model);
// Modifying this to a color-key O(1) selection
// because Open GL 3.0 says glRenderMode is deprecated
// and because ATI opengl API implementation of GL_SELECT corrupts NifSkope memory
// Caution: this works in 32 bit frame buffer modes only.
//
// State is stored by the caller.
// Prepare the back color buffer for sharp edges and no shading.
// Texturing, blending, dithering, lighting and smooth shading should be disabled
// The back color buffer can be used for the drawing operations to keep the drawing
// operations invisible to the user.
glDisable( GL_MULTISAMPLE );
glDisable( GL_LINE_SMOOTH );
glDisable (GL_TEXTURE_2D);
glDisable (GL_BLEND);
glDisable (GL_DITHER);
glDisable (GL_LIGHTING);
glShadeModel (GL_FLAT);
glDisable (GL_FOG);
//glDisable (GL_MULTISAMPLE_ARB);
// ro limit selection to visible surfaces, depth testing should be enabled.
glEnable (GL_DEPTH_TEST);
glDepthFunc (GL_LEQUAL);
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// rasterize the scene
Node::SELECTING = 1;
foreach ( DrawFunc df, drawFunc ) {
glDrawBuffer (GL_BACK);
(scene->*df)();
}
Node::SELECTING = 0;
/*
// get the back buffer into a bitmap file
// /
// --/ GL_DEBUG /----
// /
GLint vp[4];
glGetIntegerv (GL_VIEWPORT, vp);
FILE *ttt = fopen ("select.bmp", "w+");
if (ttt) {
// BMP header
fwrite ("BM", 1, 2, ttt); // 2
int filesize = 14 + 40 + (vp[2] * vp[3] * 4);
short u16 = 0; fwrite (&filesize, sizeof(int), 1, ttt); // 4
fwrite (&u16, 2, 1, ttt); // 2 - reserved 1
fwrite (&u16, 2, 1, ttt); // 2 - reserved 2
int bmp_ofs = 14+40; fwrite (&bmp_ofs, sizeof(int), 1, ttt); // 4
// DIB 1
int dib_size = 40; fwrite (&dib_size, sizeof(int), 1, ttt); // 4
int bufw = vp[2]; fwrite (&bufw, sizeof(int), 1, ttt); // 4
int bufh = vp[3]; fwrite (&bufh, sizeof(int), 1, ttt); // 4
short bitplanes = 1; fwrite (&bitplanes, 2, 1, ttt); // 2
short bpp = 32; fwrite (&bpp, 2, 1, ttt); // 2
int compression = 0; fwrite (&compression, sizeof(int), 1, ttt); // 4
int bmp_size = (vp[2] * vp[3] * 4); fwrite (&bmp_size, sizeof(int), 1, ttt); // 4
int hres = 0; fwrite (&hres, sizeof(int), 1, ttt); // 4
int vres = 0; fwrite (&vres, sizeof(int), 1, ttt); // 4
int color_pal_num = 0; fwrite (&color_pal_num, sizeof(int), 1, ttt); // 4
int important_color_num = 0; fwrite (&important_color_num, sizeof(int), 1, ttt);// 4
// bmp
unsigned char *pixel_buf = (unsigned char *) malloc (bmp_size);
if (pixel_buf) {
memset (&pixel_buf[0], 0, bmp_size);
//glReadBuffer (GL_FRONT);
glReadBuffer (GL_BACK);
//glFinish ();
glReadPixels (0, 0, bufw, bufh, GL_RGBA, GL_UNSIGNED_BYTE, &pixel_buf[0]);
for (int i = 0; i < bmp_size / 4; i++) {
int r = pixel_buf[(i*4)+0];
int g = pixel_buf[(i*4)+1];
int b = pixel_buf[(i*4)+2];
int a = pixel_buf[(i*4)+3];
pixel_buf[(i*4)+0] = b;
//pixel_buf[(i*4)+1] = b;
pixel_buf[(i*4)+2] = r;
//pixel_buf[(i*4)+3] = r;
}
fwrite (pixel_buf, 1, bmp_size, ttt);
}
fclose (ttt);
}
*/
// Get the color key
unsigned char pixel[4] = {0, 0, 0, 0};
GLint viewport[4];
glGetIntegerv (GL_VIEWPORT, viewport);
glReadBuffer (GL_BACK);
glReadPixels (pos.x(), viewport[3] - pos.y(), 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
//int a = pixel[3] << 3*8;
int a = pixel[2] << 2*8;
a |= pixel[1] << 1*8;
a |= pixel[0] << 0*8;
//qDebug() << a << " " << pixel[0] << " " << pixel[1] << " " << pixel[2] << " " << pixel[3];
return COLORKEY2ID( a );
/* the previous select method
glRenderMode( GL_SELECT );
glInitNames();
glPushName( 0 );
foreach ( DrawFunc df, drawFunc )
(scene->*df)();
GLint hits = glRenderMode( GL_RENDER );
if ( hits > 0 )
{
QList< QPair< GLuint, GLuint > > hitList;
for ( int l = 0; l < hits; l++ )
{
hitList << QPair< GLuint, GLuint >( buffer[ l * 4 + 3 ], buffer[ l * 4 + 1 ] );
}
qSort( hitList.begin(), hitList.end(), compareHits );
return hitList.value( cycle % hits ).first;
}
return -1;
*/
}
QModelIndex GLView::indexAt( const QPoint & pos, int cycle )
{
if ( ! ( model && isVisible() && height() ) )
return QModelIndex();
makeCurrent();
glPushAttrib(GL_ALL_ATTRIB_BITS);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glViewport( 0, 0, width(), height() );
glProjection( pos.x(), pos.y() );
int choose;
QList<DrawFunc> df;
if ( Options::drawHavok() )
df << &Scene::drawHavok;
if ( Options::drawNodes() )
df << &Scene::drawNodes;
if ( Options::drawFurn() )
df << &Scene::drawFurn;
df << &Scene::drawShapes;
choose = ::indexAt(model, scene, df, cycle, pos );
if ( Options::drawFurn() )
{
// TODO: find out a better way to check if "furn" was mouse-clicked
int furnchoose = ::indexAt( model, scene, QList<DrawFunc>() << &Scene::drawFurn, cycle, pos );
if ( choose != -1 && furnchoose != -1// something hit && something2 is "furn"
&& choose == furnchoose) // the "furn" was hit
{
glPopAttrib();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
QModelIndex parent = model->index( 3, 0, model->getBlock( furnchoose&0x0ffff ) );
return model->index( furnchoose>>16, 0, parent );
}
}
glPopAttrib();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
if ( choose != -1 )
return model->getBlock( choose );
return QModelIndex();
}
void GLView::resizeGL(int width, int height)
{
glViewport(0, 0, width, height );
}
/*
* NifModel stuff
*/
void GLView::setNif( NifModel * nif )
{
if ( model )
{
disconnect( model );
}
model = nif;
if ( model )
{
connect( model, SIGNAL( dataChanged( const QModelIndex &, const QModelIndex & ) ), this, SLOT( dataChanged( const QModelIndex &, const QModelIndex & ) ) );
connect( model, SIGNAL( linksChanged() ), this, SLOT( modelLinked() ) );
connect( model, SIGNAL( modelReset() ), this, SLOT( modelChanged() ) );
connect( model, SIGNAL( destroyed() ), this, SLOT( modelDestroyed() ) );
}
doCompile = true;
}
void GLView::setCurrentIndex( const QModelIndex & index )
{
if ( ! ( model && index.model() == model ) )
return;
scene->currentBlock = model->getBlock( index );
scene->currentIndex = index.sibling( index.row(), 0 );
update();
}
QModelIndex parent( QModelIndex ix, QModelIndex xi )
{
ix = ix.sibling( ix.row(), 0 );
xi = xi.sibling( xi.row(), 0 );
while ( ix.isValid() )
{
QModelIndex x = xi;
while ( x.isValid() )
{
if ( ix == x ) return ix;
x = x.parent();
}
ix = ix.parent();
}
return QModelIndex();
}
void GLView::dataChanged( const QModelIndex & idx, const QModelIndex & xdi )
{
if ( doCompile )
return;
QModelIndex ix = idx;
if ( idx == xdi )
{
if ( idx.column() != 0 )
ix = idx.sibling( idx.row(), 0 );
}
else
{
ix = ::parent( idx, xdi );
}
if ( ix.isValid() )
{
scene->update( model, idx );
update();
}
else
modelChanged();
}
void GLView::modelChanged()
{
doCompile = true;
doCenter = true;
update();
}
void GLView::modelLinked()
{
doCompile = true; //scene->update( model, QModelIndex() );
update();
}
void GLView::modelDestroyed()
{
setNif( 0 );
}
void GLView::sceneUpdate()
{
scene->update( model, QModelIndex() );
update();
}
void GLView::sltTime( float t )
{
time = t;
update();
emit sigTime( time, scene->timeMin(), scene->timeMax() );
}
void GLView::sltSequence( const QString & seqname )
{
animGroups->setCurrentIndex( scene->animGroups.indexOf( seqname ) );
scene->setSequence( seqname );
time = scene->timeMin();
emit sigTime( time, scene->timeMin(), scene->timeMax() );
update();
}
void GLView::viewAction( QAction * act )
{
BoundSphere bs = scene->bounds();
if ( Options::drawAxes() )
bs |= BoundSphere( Vector3(), axis );
if ( bs.radius < 1 ) bs.radius = 1;
setDistance( bs.radius );
setZoom( 1.0 );
if ( act == aViewWalk )
{
setRotation( -90, 0, 0 );
setPosition( Vector3() - scene->bounds().center );
setZoom( 1.0 );
aViewWalk->setChecked( true );
aViewTop->setChecked( false );
aViewFront->setChecked( false );
aViewSide->setChecked( false );
aViewUser->setChecked( false );
}
if ( ! act || act == aViewFlip )
{
act = checkedViewAction();
}
if ( act != aViewWalk )
setPosition( Vector3() - bs.center );
if ( act == aViewTop )
{
if ( aViewFlip->isChecked() )
setRotation( 180, 0, 0 );
else
setRotation( 0, 0, 0 );
aViewWalk->setChecked( false );
aViewTop->setChecked( true );
aViewFront->setChecked( false );
aViewSide->setChecked( false );
aViewUser->setChecked( false );
}
else if ( act == aViewFront )
{
if ( aViewFlip->isChecked() )
setRotation( -90, 0, 180 );
else
setRotation( -90, 0, 0 );
aViewWalk->setChecked( false );
aViewTop->setChecked( false );
aViewFront->setChecked( true );
aViewSide->setChecked( false );
aViewUser->setChecked( false );
}
else if ( act == aViewSide )
{
if ( aViewFlip->isChecked() )
setRotation( - 90, 0, - 90 );
else
setRotation( - 90, 0, 90 );
aViewWalk->setChecked( false );
aViewTop->setChecked( false );
aViewFront->setChecked( false );
aViewSide->setChecked( true );
aViewUser->setChecked( false );
}
else if ( act == aViewUser )
{
QSettings cfg;
cfg.beginGroup( "GLView" );
cfg.beginGroup( "User View" );
setRotation( cfg.value( "RotX" ).toDouble(), cfg.value( "RotY" ).toDouble(), cfg.value( "RotZ" ).toDouble() );
setPosition( cfg.value( "PosX" ).toDouble(), cfg.value( "PosY" ).toDouble(), cfg.value( "PosZ" ).toDouble() );
setDistance( cfg.value( "Dist" ).toDouble() );
aViewWalk->setChecked( false );
aViewTop->setChecked( false );
aViewFront->setChecked( false );
aViewSide->setChecked( false );
aViewUser->setChecked( true );
}
update();
}
void GLView::sltSaveUserView()