// This file is part of KFireSaver3D. // KFireSaver3D 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. // KFireSaver3D 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 KFireSaver3D; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA // Author: Enrico Ros, based on the great work of David Sansome (kfiresaver) // Email: asy@libero.it #include #include #include #include #include #include #include #include #include #include #include #include #include #include "firesaversetup.h" #include "firesaverparticle.h" #include "firesaverwriter.h" #include "firesaver.h" /* Factory code for KScreensaver begins *here* *\ \* */ #include #include class KFireSaverKSS : public KScreenSaver { public: KFireSaverKSS( WId id ) : KScreenSaver( id ) { setBackgroundColor( black ); erase(); saver = new KFireSaver; embed(saver); saver->show(); } ~KFireSaverKSS() { delete saver; } private: KFireSaver* saver; }; class KFireSaverSetupKDB : public KDialogBase { public: KFireSaverSetupKDB( TQWidget* parent = 0, const char* name = 0 ) : KDialogBase( parent, name, true, i18n("Setup Screen Saver"), Ok | Cancel | Help, Ok, true ) { setup = new KFireSaverSetup( this ); setMainWidget( setup ); setButtonText( KDialogBase::Help, i18n( "A&bout" ) ); } private slots: void slotHelp() { KMessageBox::about(this, i18n("

KFireSaver 3D 1.0

\n

TEST Koral - Enrico Ros::2004

") ); } void slotOk() { setup->writeConfig(); accept(); } private: KFireSaverSetup * setup; }; extern "C" { KDE_EXPORT const char *kss_applicationName = "kfiresaver.kss"; KDE_EXPORT const char *kss_description = I18N_NOOP( "Fireworks 3D (GL)" ); KDE_EXPORT const char *kss_version = "0.7"; KDE_EXPORT KScreenSaver *kss_create( WId id ) { return new KFireSaverKSS( id ); } KDE_EXPORT TQDialog *kss_setup() { return new KFireSaverSetupKDB; } } /* *\ \* Factory code for KScreensaver ends *here* */ KFireSaver :: KFireSaver( TQWidget *parent, const char *name ) : TQGLWidget( parent, name ) { // set random seed to initialize drand48() calls timeval tv; gettimeofday(&tv,NULL); srand48( (long)tv.tv_usec ); readConfig(); particleList.setAutoDelete(true); starList.setAutoDelete(true); imageList.setAutoDelete(true); playObjectList.setAutoDelete(true); //initialize openGL context before managing GL calls makeCurrent(); loadTexture( locate("data","kfiresaver/kfs_particle.png"), particleTexture ); loadTexture( locate("data","kfiresaver/kfs_particle_flare.png"), flareTexture ); loadTexture( locate("data","kfiresaver/kfs_particle_diastar.png"), diastarTexture ); starTexture = particleTexture; //generate stars if (parameters.enableStars) { int number = parameters.starsNumber + 1; number *= 10 * number; for (int i=0 ; iinitializeValues(); star->texture = starTexture; if (parameters.enableStarGradient) { GLfloat red = star->colour[0], green = star->colour[1], blue = star->colour[2], tint = 0.5 + star->ypos / FIELDWIDTH, merge = 0.3 + DRAND*0.7, mergen = 1 - merge; star->colour[0] = red * merge + (1.0-tint) * mergen; star->colour[1] = green * merge + tint * mergen; star->colour[2] = blue * merge + tint * mergen; } starList.append( star ); } } //generate bottom fire if (parameters.enableBottomFire) { float cRed = (float)parameters.bottomFireColor.red() / 255.0, cGreen = (float)parameters.bottomFireColor.green() / 255.0, cBlue = (float)parameters.bottomFireColor.blue() / 255.0; for (int i=0 ; iinitializeValues(); particle->texture = particleTexture; particle->zspeed *= 4.0; particle->colour[0] = cRed * (0.6 + 0.4*DRAND); particle->colour[1] = cGreen * (0.6 + 0.4*DRAND); particle->colour[2] = cBlue * (0.6 + 0.4*DRAND); particleList.append(particle); } } //get sound files if (parameters.enableSound) { sound_explosion = locate("data","kfiresaver/kfs_explode.ogg"); sound_debris = locate("data","kfiresaver/kfs_debris.ogg"); } //create the writer class that manages flying writings. if ( parameters.enableWritings ) writer = new Writer("kfs_letters.desc"); showp.forceBicolour = showp.forceColour = showp.forcePower = showp.forceType = false; showp.timeStamp = 0.0; startTimer(MSECPERIOD); //force initialization of "show" variables for the first time timerEvent(NULL); } KFireSaver :: ~KFireSaver() { freeTexture( particleTexture ); freeTexture( starTexture ); particleList.clear(); starList.clear(); imageList.clear(); playObjectList.clear(); if ( parameters.enableWritings ) delete writer; } void KFireSaver :: initializeGL() { glDisable(GL_DEPTH_TEST); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA,GL_ONE); glShadeModel( GL_SMOOTH ); resizeGL( 640, 480 ); } void KFireSaver :: resizeGL( int width, int height ) { glViewport( 0, 0, width, height ); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho( -FIELDW_2, FIELDW_2, -FIELDW_2, FIELDW_2, 5.0, 60.0 ); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); float ratio = (float)width / (float)height, numH = 750 - 90 * parameters.particleSize, numW = 1000 - 120 * parameters.particleSize; if ( ratio >= (4.0/3.0) ) { unitX = FIELDWIDTH / (numH * ratio); unitY = FIELDWIDTH / numH; } else { unitX = FIELDWIDTH / numW; unitY = FIELDWIDTH / (numW / ratio); } timeval tv; gettimeofday(&tv,NULL); timeStampFrame = (double)tv.tv_sec + (double)tv.tv_usec/1000000.0; firstGLFrame = true; } void KFireSaver :: paintGL () /* Main procedure. It does the following: - calculate time diff between current and previous frame - clear the color buffer - simple render of stars - advanced render of particles - render - update physics based on time difference - check die/change conditions - call to explode_firework if a leader dies - if random -> start a new firework - if random -> explode a penquin or kde logo */ { /* calculate TIME ELAPSED between current and previous frame */ timeval tv; gettimeofday(&tv,NULL); double timeCurrent = (double)tv.tv_sec + (double)tv.tv_usec/1000000.0; double timeDiff = (MSECPERIOD / 1000.0); if (parameters.enableRealtime) { timeDiff = timeCurrent - timeStampFrame; timeStampFrame = timeCurrent; timeDiff = (timeDiff > 0.5) ? 0.5 : (timeDiff < 0.005) ? 0.005 : timeDiff; } /* CLEAR SCREEN: to do it there are 2 ways */ glLoadIdentity(); glTranslatef( 0, 0, -50.0 ); glDisable( GL_TEXTURE_2D ); if ( !parameters.enableFade || firstGLFrame ) { // quick - clear the OpenGL color buffer glClearColor( 0.0, 0.0, 0.0, 1.0 ); glClear( GL_COLOR_BUFFER_BIT ); firstGLFrame = false; } else { // good looking /* superpose a semi-transparent black rectangle so we can see a sort of 'tail' for each particle drawn. */ const GLfloat conv_tab[10] = { 0.50, 0.33, 0.22, 0.15, 0.10, 0.07, 0.05, 0.03, 0.02, 0.01 }; glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA); glColor4f(0.0,0.0,0.0, conv_tab[parameters.fadeAmount]); glBegin( GL_TRIANGLE_STRIP ); glVertex2f( FIELDW_2, FIELDW_2 ); glVertex2f( -FIELDW_2, FIELDW_2 ); glVertex2f( FIELDW_2, -FIELDW_2 ); glVertex2f( -FIELDW_2, -FIELDW_2 ); glEnd(); glBlendFunc(GL_SRC_ALPHA,GL_ONE); } /* render STARS */ if (parameters.enableStars) { if ( starTexture ) { glEnable( GL_TEXTURE_2D ); glBindTexture( GL_TEXTURE_2D, currentTexture = starTexture ); } else glDisable( GL_TEXTURE_2D ); glBegin( GL_QUADS ); bool flickers = parameters.enableStarFlickering; float alpha = flickers ? 0.5 : 1.0; Particle * star = starList.first(); for (; star; star = starList.next()) { if (flickers && DRAND<0.6) continue; GLfloat sizeX = star->pixelSize * unitX, sizeY = star->pixelSize * unitY, pLeft = star->xpos - sizeX, pRight = star->xpos + sizeX, pTop = star->ypos + sizeY, pBottom = star->ypos - sizeY; glColor4f(star->colour[0], star->colour[1], star->colour[2], alpha); glTexCoord2f( 0, 0 ); // Bottom Left glVertex2f( pLeft, pBottom ); glTexCoord2f( 0, 1 ); // Top Left glVertex2f( pLeft, pTop ); glTexCoord2f( 1, 1 ); // Top Right glVertex2f( pRight, pTop ); glTexCoord2f( 1, 0 ); // Bottom Right glVertex2f( pRight, pBottom ); } glEnd(); } /* render FIREWORKS */ glBegin( GL_QUADS ); bool playedExplodeSound = false; bool flashedScreen = false; Particle * particle = particleList.first(); for (; particle; particle = particleList.next()) { //bind the texture for current particle (if not already bound) if ( !particle->texture ) { glEnd(); glDisable( GL_TEXTURE_2D ); glBegin( GL_QUADS ); currentTexture = 0; } else if ( particle->texture != currentTexture ) { glEnd(); glEnable( GL_TEXTURE_2D ); glBindTexture( GL_TEXTURE_2D, currentTexture = particle->texture ); glBegin( GL_QUADS ); } //perspective projection (done by hand to make it funnier than opengl's :-) float mfactor = PERSP_MAG_FACTOR * particle->ypos; if ( mfactor < -246.0 ) { particleList.remove(); particleList.prev(); continue; } float sfactor = 256.0 / (256.0 + mfactor), posx = sfactor * particle->xpos, posy = sfactor * particle->zpos - 4.0; //size computation (magnify if enableMegaFlares is set) if ( parameters.enableMegaFlares ) { mfactor = parameters.megaFlares*particle->ypos; if ( mfactor < -255.0 || mfactor > 512.0 ) { particleList.remove(); particleList.prev(); continue; } sfactor = 256.0 / (256.0 + mfactor); if ( sfactor > 64 ) sfactor = 76.8 - sfactor / 5.0; } float size = sfactor * particle->pixelSize, sizeX = size * unitX, sizeY = size * unitY; //determine brightness (alpha component) for the particle if ( particle->useLife ) { float life = particle->life, startLife = particle->startLife; //bright changes with the following curve: "2*k - k^2" (or "k(2-k)") if ( life > startLife ) particle->colour[3] = startLife + 1 - life; else particle->colour[3] = life / startLife; //apply flickering if enabled if (particle->flicker < 0) { particle->colour[3] = 0.2; if (++particle->flicker >= 0) particle->flicker = FLICKER_FRAMES_DELAY; } else if (particle->flicker > 0) { if ( life <= startLife ) particle->colour[3] = 1.0; if (--particle->flicker <= 0) particle->flicker = -FLICKER_FRAMES_DELAY; } glColor4fv( particle->colour ); } else glColor3fv( particle->colour ); //draw particle float pLeft = posx - sizeX, pTop = posy + sizeY, pRight = posx + sizeX, pBottom = posy - sizeY; glTexCoord2f( 0, 0 ); // Bottom Left glVertex2f( pLeft, pBottom ); glTexCoord2f( 0, 1 ); // Top Left glVertex2f( pLeft, pTop ); glTexCoord2f( 1, 1 ); // Top Right glVertex2f( pRight, pTop ); glTexCoord2f( 1, 0 ); // Bottom Right glVertex2f( pRight, pBottom ); //phisically update parameters of the particle particle->updateParameters( timeDiff ); //check for particle death / explosion switch (particle->particleType) { //a Fireparticle is restarted when in right conditions case Particle::FireParticle: if ( posx < -FIELDW_2 || posx > FIELDW_2 || (particle->zpos < -10.0 && posy < -FIELDW_2) ) { particle->initializeValues(); if ( DRAND > 0.9995 ) particle->zspeed *= 4; } break; //a leader explodes when his z speed drops to zero //or, if it uses life, at death case Particle::FireWorkLeaderParticle: if ((particle->zspeed <= 0.0f && !particle->useLife) || (particle->useLife && particle->life <= 0.0) ) { // play sound if enabled (and once per frame) if (parameters.enableSound && !playedExplodeSound) { playSound(sound_explosion); playedExplodeSound = true; } // flash screen if enabled if (parameters.enableFlash && !flashedScreen) { glEnd(); glDisable( GL_TEXTURE_2D ); glColor4f( 1,1,1, parameters.flashOpacity / 10.0 ); glBegin( GL_TRIANGLE_STRIP ); glVertex2f( FIELDW_2, FIELDW_2 ); glVertex2f( -FIELDW_2, FIELDW_2 ); glVertex2f( FIELDW_2, -FIELDW_2 ); glVertex2f( -FIELDW_2, -FIELDW_2 ); glEnd(); if ( particleTexture ) glEnable( GL_TEXTURE_2D ); glBegin( GL_QUADS ); flashedScreen = true; } // generating children and removing parent int elementIndex = particleList.at(); explodeFirework(particle); particleList.remove(elementIndex); particleList.prev(); } else if ( parameters.enableTrails && DRAND < 0.4 ) { // leave trail behind the particle (it'a small and slow red debris) Particle * p = new Particle( Particle::FireWorkDebrisParticle ); p->initializeValues( 0, particle, 1, 1 ); p->texture = particleTexture; p->xspeed /= 4; p->yspeed /= 4; p->zspeed /= 8; p->zacc /= 4; p->pixelSize = 2; p->colour[0] /= 2; int elementIndex = particleList.at(); particleList.append( p ); particleList.at( elementIndex ); } break; //remove if dead or outside field default: if (particle->life <= 0.0 || posx<-FIELDW_2 || posx>FIELDW_2 || posy<-FIELDW_2) { particleList.remove(); particleList.prev(); } break; } } glEnd(); /* render WRITINGS */ if ( parameters.enableWritings ) { int chance = (int) (1000.0 * DRAND); if ( !chance ) { static const TQString someStrings[] = { i18n("www.kde.org"), i18n("My KDE, please!"), i18n("KoNqUeR the World"), i18n("KFIRESAVER 3D"), i18n("Gimme your eyes..."), i18n("Thank you for using KDE"), i18n("Going insane tonight"), }; int n = (int)(6.0 * DRAND); writer->spawnWords( someStrings[n], Writer::Fun1 ); } writer->render( timeDiff ); } /* generate a new FIREWORK_LEADER */ int random = (int) ((float)parameters.fireworksFrequency * DRAND); if (showp.ShowType == Show) { //double the chances ('frequency') to raise a new leaderParticle //but envelop it under a sine function float step = (showp.timeStamp - timeCurrent) / showp.timeGap; if (DRAND > sin(M_PI*step)) random = -1; if (showp.type == AngelHairs && DRAND < 0.5) random = -1; } if ( !random ) { Particle * particle = new Particle( Particle::FireWorkLeaderParticle ); particle->initializeValues(); particle->texture = flareTexture; particleList.append( particle ); } /* explode a logo */ int logoImages = imageList.count(); if ( logoImages > 0 ) { random = (int) (parameters.logoFrequency * logoImages * 200.0 * DRAND); if ( random < logoImages ) { if (parameters.enableFlash && !flashedScreen) { glDisable( GL_TEXTURE_2D ); glColor4f( 1,1,1, parameters.flashOpacity / 10.0 ); glBegin( GL_TRIANGLE_STRIP ); glVertex2f( FIELDW_2, FIELDW_2 ); glVertex2f( -FIELDW_2, FIELDW_2 ); glVertex2f( FIELDW_2, -FIELDW_2 ); glVertex2f( -FIELDW_2, -FIELDW_2 ); glEnd(); } burnLogo( imageList.at(random) ); } } } int KFireSaver :: pickColour() { int color = (int) (DRAND * parameters.colorsCount); return parameters.colorsT[ color ]; } KFireSaver :: enumFireworkType KFireSaver :: pickType() { int type = (int) (DRAND * parameters.typesCount); return parameters.typesT[ type ]; } void KFireSaver :: explodeFirework(Particle* leaderParticle) { GLfloat displace[3] = {0.0,0.0,0.0}; float tmp1 = 0.0, tmp2 = 0.0, tmp3 = 0.0, tmp4 = 0.0, tmp5 = 0.0; // color of exploded particles bool bicolor = parameters.enableCombos && (showp.forceBicolour || DRAND > 0.95), flickers = false; int cscheme = showp.forceColour ? showp.colour : pickColour(), cscheme2 = showp.forceColour ? showp.colourSec : pickColour(); // randomize type of exploding firework enumFireworkType fwType = showp.forceType ? (enumFireworkType) showp.type : pickType(); // other options for generated particles int number = (int) ((DRAND + DRAND) * 150.0); float power = showp.forcePower ? showp.powerEnvelop * (0.8 + 0.3*DRAND) : DRAND * 11.0 + 2.0, powermin = DRAND * power; // now some rules ... //a splitter can't split up more than 2 times if (fwType == Splitter && leaderParticle->explosionsDepth > 1) { if (parameters.typesCount == 1) return; if (showp.forceType) fwType = showp.typeSec; if (fwType == Splitter) while ( (fwType = pickType()) == Splitter ); } // PRE-ADJUST parameters for the firework we're creating switch ( fwType ) { //no need to handle this. it's the default configuration. case Sphere: break; //explosion whithout emitting particles, only a flash case NoFW: number = 1; power = powermin = 0; break; //splits up into 'number' orange pieces. tmp1 holds base_life case Splitter: cscheme = showp.forceColour ? showp.colour : 1; bicolor = false; number = 3 + (int) (DRAND * 4); power /= 2.0; powermin = power / 2.0; tmp1 = 0.4 + DRAND * 1.5; break; //randomize a couple of angles (phi - theta) for exploding circle case BiCircle: number *= 2; case Circle: power = DRAND * 5.0 + 4.0; tmp1 = DRAND * M_PI; tmp2 = DRAND * M_PI; tmp4 = cos(tmp2); //c2 tmp3 = sin(tmp2); //s2 tmp2 = cos(tmp1); //c1 tmp1 = sin(tmp1); //s1 break; //cascade of flickering orange particles case AngelHairs: cscheme = showp.forceColour ? showp.colour : 1; bicolor = false; flickers = true; power = 0.8 + DRAND * 1.9; powermin = DRAND*0.5; number = 100 + (int)(DRAND * 150); displace[0] = -leaderParticle->xspeed/2; displace[1] = -leaderParticle->yspeed/2; displace[2] = power; break; //behave as a standard spherical firework case Spirals: break; //not yet implemented, suppressing particles case SuperNova: case NoRender: number = 0; break; } //limit number of particles as we are getting to the capacity saturation float currentParticles = (float) particleList.count(); const float particleCapacity = 15000; const float particleGap = 8000; if ( number > 10 && currentParticles > (particleCapacity - particleGap) ) { //NoFW, Splitter and NoRender aren't limited. number = (int)( (float)number * (particleCapacity - currentParticles) / particleGap ); if ( number < 10 ) number = 0; } int newExplosionsDepth = leaderParticle->explosionsDepth + 1; for (int i=0 ; iinitializeValues ( bicolor && (i>number/2) ? cscheme2 : cscheme, leaderParticle, powermin, power, flickers, displace ); particle->texture = particleTexture; particle->explosionsDepth = newExplosionsDepth; // POST-ADJUST particle coefficients adapting to current FireworkType switch ( fwType ) { //create a big, white particle, simulating explosion case NoFW: if (parameters.enableFade) particle->startLife = particle->life = 0.030; else particle->startLife = particle->life = 0.075; particle->texture = flareTexture; particle->colour[0]= particle->colour[1]= particle->colour[2]=1.0; particle->pixelSize = 50.0 + 75.0 * DRAND; particle->zacc = 0; break; //default. no need to change parameters, only create the //'sphere light' as the first big particle if set. case Sphere: if (i==0 && parameters.enableSphereLight && number > 40) { particle->texture = flareTexture; particle->xspeed = leaderParticle->xspeed; particle->yspeed = leaderParticle->yspeed; particle->zspeed = 0.0; particle->colour[0] /= 2.0; particle->colour[1] /= 2.0; particle->colour[2] /= 2.0; float impression = power * (float)number/5.0; particle->pixelSize = 25.0 * DRAND + impression; if (parameters.enableFade) { particle->startLife = particle->life = 0.040; } else { particle->startLife = 1.3; particle->life = 1.8; } } break; // case Splitter: particle->particleType = Particle::FireWorkLeaderParticle; particle->pixelSize *= 3.0; particle->startLife = particle->life = tmp1 * (0.75 + DRAND/3.0); if (particle->zspeed < 0) particle->zspeed = -particle->zspeed; break; case Circle: case BiCircle: tmp5 = 2 * M_PI * DRAND; //MMX can be useful.. if you know how to use it :-) if ( fwType == BiCircle && i > number/2 ) { GLfloat ey = cos(tmp5), ez = sin(tmp5); particle->xspeed = power * ( tmp3*ez ); particle->yspeed = power * ( tmp2*ey - tmp1*tmp4*ez ); particle->zspeed = power * ( tmp1*ey + tmp2*tmp4*ez ); } else { GLfloat ex = sin(tmp5), ey = cos(tmp5); particle->xspeed = power * ( tmp4*ex ); particle->yspeed = power * ( tmp1*tmp3*ex + tmp2*ey ); particle->zspeed = power * ( -tmp2*tmp3*ex + tmp1*ey ); } break; case AngelHairs: particle->zacc = -9.807 * (0.05 + DRAND*0.20); particle->life = 2.0 + DRAND*2.5; particle->startLife = particle->life - 1; if (particle->zspeed < 0) particle->zspeed *= -1; //particle->pixelSize = 5.0; break; case Spirals: particle->texture = diastarTexture; break; //discard cases case SuperNova: case NoRender: break; } particleList.append(particle); } } void KFireSaver :: timerEvent(TQTimerEvent*) { timeval tv; gettimeofday(&tv,NULL); double currentTime = (double)tv.tv_sec + (double)tv.tv_usec/1000000.0; bool chooseType = false, chooseColor = false, chooseOthers = false, updateTimings = false; bool firstTime = showp.timeStamp == 0.0; bool endOfScene = currentTime >= showp.timeStamp; if (firstTime) switch (showp.ShowType) { case Monotype: /* first time choose the type, color and attributes will be choosed randomly for every firework which explodes*/ showp.forceType = true; chooseType = true; break; case Monochrome: /* first time choose the color, type and attributes will be choosed randomly for every firework which explodes*/ showp.forceColour = true; chooseColor = chooseOthers = true; break; default: break; } if (endOfScene || firstTime) switch (showp.ShowType) { case Show: /* if a scene ended, randomize global parameters for the whole next scene */ showp.forceType = true; showp.forceColour = true; showp.forcePower = true; chooseOthers = chooseColor = chooseType = true; updateTimings = true; break; default: break; } if ( chooseType ) { showp.type = pickType(); if (parameters.typesCount < 2) showp.typeSec = NoRender; else while ((showp.typeSec = pickType()) == showp.type); } if ( chooseColor ) { showp.colour = pickColour(); showp.colourSec = pickColour(); } if ( chooseOthers ) { showp.powerEnvelop = DRAND * 8.0 + 3.0; if (DRAND > 0.9) { showp.forceBicolour = true; showp.colourSec = pickColour(); } else showp.forceBicolour = false; } if ( firstTime || updateTimings ) { if (DRAND < 0.2) showp.timeGap = 1.0 + DRAND * 2.0; else showp.timeGap = 3.0 + DRAND * 10.0; showp.timeStamp = currentTime + showp.timeGap; showp.timeGap /= 1.5; //hack to introduce delay in sine func } updateGL(); } void KFireSaver :: burnLogo(TQImage * image) { if (!image || image->isNull()) return; int step = parameters.enableReduceLogo ? 2 : 1, imageW = image->width(), imageH = image->height(), offsetX = imageW / 2, offsetY = imageH / 2; float speed = FIELDW_4 / (imageW > imageH ? imageW : imageH), speedXOffs = 5 * (DRAND - DRAND), speedYOffs = DRAND + DRAND + 1; //if image is too big, lower sample points while ((imageW/step)>96 || (imageH/step)>96) step *= 2; for (int y=0 ; ypixel(x,y); if ( qAlpha(pixel) < 250 ) continue; //if ( DRAND > 0.9 ) // continue; Particle* particle = new Particle( Particle::LogoParticle ); particle->initializeValues(); particle->texture = particleTexture; float xI = (x - offsetX) , yI = (offsetY - y) ; particle->xpos = xI * speed * 0.5; particle->zpos = yI * speed * 0.5 + 5; particle->xspeed = xI * speed + speedXOffs; particle->zspeed = yI * speed + speedYOffs; particle->colour[0] = qRed(pixel) / 255.0f; particle->colour[1] = qGreen(pixel) / 255.0f; particle->colour[2] = qBlue(pixel) / 255.0f; particleList.append(particle); } } if (parameters.enableSound) playSound(sound_debris); } void KFireSaver :: playSound(TQString file) { //flush inactive players KPlayObject * playObject = playObjectList.first(); while ( playObject ) { if ( playObject->state() != Arts::posPlaying ) { playObjectList.remove(); playObject = playObjectList.current(); } else playObject = playObjectList.next(); } //discart this sound if the player queue is already full (4 channels playing) if ( playObjectList.count() >= 6 ) return; // not needed when all of the files are in the distribution //if (!TQFile::exists(file)) //return; KPlayObjectFactory factory(artsServer.server()); playObject = factory.createPlayObject(KURL(file), true); if (playObject && !playObject->isNull()) { playObject->play(); playObjectList.append(playObject); } } bool KFireSaver :: loadTexture( TQString fileName, unsigned int & textureID ) { //reset texture ID to the default EMPTY value textureID = 0; //load image TQImage tmp; if ( !tmp.load( fileName ) ) return false; //convert it to suitable format (flipped RGBA) TQImage texture = TQGLWidget::convertToGLFormat( tmp ); if ( texture.isNull() ) return false; //get texture number and bind loaded image to that texture glGenTextures( 1, &textureID ); glBindTexture( GL_TEXTURE_2D, textureID ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR ); glTexImage2D( GL_TEXTURE_2D, 0, 4 /* 3 ??? */, texture.width(), texture.height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, texture.bits() ); return true; } void KFireSaver :: freeTexture( unsigned int & textureID ) { if ( textureID > 0 ) glDeleteTextures( 1, &textureID ); textureID = 0; } void KFireSaver :: readConfig () { KConfig config("kfiresaverrc",true,false); // show config.setGroup( "Show" ); showp.ShowType = (enum enumShowType)config.readNumEntry( "ShowType", 1 ); parameters.fireworksFrequency = 11 - config.readNumEntry( "FireworksFrequency", 7 ); if ( parameters.fireworksFrequency < 1 ) parameters.fireworksFrequency = 1; if ( parameters.fireworksFrequency > 11 ) parameters.fireworksFrequency = 11; parameters.fireworksFrequency *= (parameters.fireworksFrequency + 1); //*karl gauss's sum* parameters.particleSize = config.readNumEntry( "ParticlesSize", 0 ); if ( parameters.particleSize < -5 ) parameters.particleSize = -5; if ( parameters.particleSize > 5 ) parameters.particleSize = 5; if ( parameters.enableBottomFire = config.readBoolEntry( "enable-BottomFire", true ) ) { TQColor blue = Qt::darkBlue; parameters.bottomFireColor = config.readColorEntry( "BottomFireColor", &blue ); } parameters.enableSound = config.readBoolEntry( "enable-Sounds", false ); parameters.enableNoOverhead = config.readBoolEntry( "enable-NoOverhead", true ); parameters.enableRealtime = config.readBoolEntry( "enable-FrameSkip", true ); // fireworks config.setGroup( "Fireworks" ); parameters.typesCount = 0; if ( config.readBoolEntry( "use-Classic", true ) ) parameters.typesT[parameters.typesCount++] = Sphere; if ( config.readBoolEntry( "use-Explosion", false ) ) parameters.typesT[parameters.typesCount++] = NoFW; if ( config.readBoolEntry( "use-FlameRing", false ) ) parameters.typesT[parameters.typesCount++] = Circle; if ( config.readBoolEntry( "use-FlameWorld", false ) ) parameters.typesT[parameters.typesCount++] = BiCircle; if ( config.readBoolEntry( "use-Fall", false ) ) parameters.typesT[parameters.typesCount++] = AngelHairs; if ( config.readBoolEntry( "use-Splitter", false ) ) parameters.typesT[parameters.typesCount++] = Splitter; if ( config.readBoolEntry( "use-Spirals", false ) ) parameters.typesT[parameters.typesCount++] = Spirals; if ( config.readBoolEntry( "use-SuperNova", false ) ) parameters.typesT[parameters.typesCount++] = SuperNova; if ( !parameters.typesCount ) { kdWarning() << "KFireSaver3D: Warning, no fireworks enabled in config file" << endl; kdWarning() << " enabling 'Classic Spherical'" << endl; parameters.typesCount = 1; parameters.typesT[0] = Sphere; } parameters.typesT[ parameters.typesCount ] = parameters.typesT[ parameters.typesCount-1 ]; parameters.colorsCount = 0; if ( config.readBoolEntry( "use-Red", false ) ) parameters.colorsT[parameters.colorsCount++] = 0; if ( config.readBoolEntry( "use-Orange", true ) ) parameters.colorsT[parameters.colorsCount++] = 1; if ( config.readBoolEntry( "use-Green", false ) ) parameters.colorsT[parameters.colorsCount++] = 2; if ( config.readBoolEntry( "use-Blue", false ) ) parameters.colorsT[parameters.colorsCount++] = 3; if ( config.readBoolEntry( "use-White", true ) ) parameters.colorsT[parameters.colorsCount++] = 4; if ( config.readBoolEntry( "use-Purple", false ) ) parameters.colorsT[parameters.colorsCount++] = 5; if ( config.readBoolEntry( "use-DeepGreen", true ) ) parameters.colorsT[parameters.colorsCount++] = 6; if ( !parameters.colorsCount ) { kdWarning() << "KFireSaver3D: Warning enable at least one color" << endl; kdWarning() << " enabling 'Blinding White'" << endl; parameters.colorsCount = 1; parameters.colorsT[0] = 4; } parameters.colorsT[ parameters.colorsCount ] = parameters.colorsT[ parameters.colorsCount-1 ]; parameters.enableCombos = config.readBoolEntry( "use-Multicolor", true ); // specials config.setGroup( "Specials" ); if ( parameters.enableLogos = config.readBoolEntry( "enable-Logos", true ) ) { TQImage tempImage; tempImage.setAlphaBuffer( true ); if ( config.readBoolEntry( "LogosTux", true ) ) if ( tempImage.load(locate("data","kfiresaver/kfs_tux.png")) ) imageList.append( new TQImage(tempImage) ); if ( config.readBoolEntry( "LogosKonqui", true ) ) if ( tempImage.load(locate("data","kfiresaver/kfs_kde.png")) ) imageList.append( new TQImage(tempImage) ); if ( config.readBoolEntry( "LogosKDEIcons", true ) ) { const TQString icons[] = { "3floppy_unmount", "cdrom_unmount", "hdd_mount", "kmix", "network", "my-computer", "folder_home", "konqueror", "kmail", "penguin", "personal" }; for ( int i = 0; i < 11; i++ ) imageList.append( new TQImage(DesktopIcon(icons[i],64).convertToImage()) ); } parameters.enableReduceLogo = config.readBoolEntry( "LogosReduceDetail", true ); parameters.logoFrequency = 11 - config.readNumEntry( "LogosFrequency", 4 ); if ( parameters.logoFrequency < 1 ) parameters.logoFrequency = 1; if ( parameters.logoFrequency > 11 ) parameters.logoFrequency = 11; } if ( parameters.enableStars = config.readBoolEntry( "enable-Stars", true ) ) { parameters.enableStarFlickering = config.readBoolEntry( "StarsFlicker", false ); parameters.enableStarGradient = config.readBoolEntry( "StarsGradient", true ); parameters.starsNumber = config.readNumEntry( "StarsNumber", 4 ); if ( parameters.starsNumber < 0 ) parameters.starsNumber = 0; if ( parameters.starsNumber > 10 ) parameters.starsNumber = 10; } parameters.enableWritings = config.readBoolEntry( "enable-Writings", true ); // effects config.setGroup( "Effects" ); parameters.enableSphereLight = config.readBoolEntry( "enable-SphericalLight", true ); if ( parameters.enableFlash = config.readBoolEntry( "enable-Flash", false ) ) { parameters.flashOpacity = config.readNumEntry( "FlashOpacity", 5 ); if ( parameters.flashOpacity < 0 ) parameters.flashOpacity = 0; if ( parameters.flashOpacity > 10 ) parameters.flashOpacity = 10; } if ( parameters.enableFade = config.readBoolEntry( "enable-Fade", false ) ) { parameters.fadeAmount = config.readNumEntry( "FadeIntensity", 3 ); if ( parameters.fadeAmount < 0 ) parameters.fadeAmount = 0; if ( parameters.fadeAmount > 9 ) parameters.fadeAmount = 9; } if ( parameters.enableMegaFlares = config.readBoolEntry( "enable-Flares", true ) ) { parameters.megaFlares = config.readNumEntry( "FlaresDimension", 5 ); if ( parameters.megaFlares < 0 ) parameters.megaFlares = 0; if ( parameters.megaFlares > 10 ) parameters.megaFlares = 10; parameters.megaFlares += 4; parameters.megaFlares *= 2; } parameters.enableTrails = config.readBoolEntry( "enable-Trail", false ); }