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-rw-r--r--kscreensaver/kdesavers/Euphoria.cpp1084
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diff --git a/kscreensaver/kdesavers/Euphoria.cpp b/kscreensaver/kdesavers/Euphoria.cpp
deleted file mode 100644
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--- a/kscreensaver/kdesavers/Euphoria.cpp
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@@ -1,1084 +0,0 @@
-//============================================================================
-//
-// Terence Welsh Screensaver - Euphoria
-// http://www.reallyslick.com/
-//
-// Ported to KDE by Karl Robillard
-//
-/*
- * Copyright (C) 2002 Terence M. Welsh
- *
- * Euphoria is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Euphoria 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
- */
-//============================================================================
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <time.h>
-#include <tqtimer.h>
-#include "Euphoria.h"
-#include "Euphoria.moc"
-#include "EuphoriaTexture.h"
-
-
-#define NUMCONSTS 9
-#define PIx2 6.28318530718f
-
-
-//----------------------------------------------------------------------------
-
-
-#include <sys/time.h>
-#include <unistd.h>
-
-
-// Returns the system time, in seconds.
-double timeGetTime()
-{
- struct timeval tp;
- gettimeofday( &tp, 0 );
- return (double)tp.tv_sec + (double)tp.tv_usec / 1000000;
-}
-
-
-//----------------------------------------------------------------------------
-
-
-class rsVec
-{
-public:
-
- float v[3];
-
- rsVec() {}
- rsVec(float xx, float yy, float zz);
-
- void set(float xx, float yy, float zz);
- float normalize();
- float dot(rsVec);
- void cross(rsVec, rsVec);
-
- float & operator [] (int i) {return v[i];}
- const float & operator [] (int i) const {return v[i];}
- rsVec & operator = (const rsVec &vec)
- {v[0]=vec[0];v[1]=vec[1];v[2]=vec[2];return *this;};
- rsVec operator + (const rsVec &vec)
- {return(rsVec(v[0]+vec[0], v[1]+vec[1], v[2]+vec[2]));};
- rsVec operator - (const rsVec &vec)
- {return(rsVec(v[0]-vec[0], v[1]-vec[1], v[2]-vec[2]));};
- rsVec operator * (const float &mul)
- {return(rsVec(v[0]*mul, v[1]*mul, v[2]*mul));};
- rsVec operator / (const float &div)
- {float rec = 1.0f/div; return(rsVec(v[0]*rec, v[1]*rec, v[2]*rec));};
- rsVec & operator += (const rsVec &vec)
- {v[0]+=vec[0];v[1]+=vec[1];v[2]+=vec[2];return *this;};
- rsVec & operator -= (const rsVec &vec)
- {v[0]-=vec[0];v[1]-=vec[1];v[2]-=vec[2];return *this;};
- rsVec & operator *= (const rsVec &vec)
- {v[0]*=vec[0];v[1]*=vec[1];v[2]*=vec[2];return *this;};
- rsVec & operator *= (const float &mul)
- {v[0]*=mul;v[1]*=mul;v[2]*=mul;return *this;};
-};
-
-
-rsVec::rsVec(float xx, float yy, float zz){
- v[0] = xx;
- v[1] = yy;
- v[2] = zz;
-}
-
-
-void rsVec::set(float xx, float yy, float zz){
- v[0] = xx;
- v[1] = yy;
- v[2] = zz;
-}
-
-
-float rsVec::normalize(){
- float length = float(sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]));
- if(length == 0.0f){
- v[1] = 1.0f;
- return(0.0f);
- }
- float reciprocal = 1.0f / length;
- v[0] *= reciprocal;
- v[1] *= reciprocal;
- v[2] *= reciprocal;
- // Really freakin' stupid compiler bug fix for VC++ 5.0
- /*v[0] /= length;
- v[1] /= length;
- v[2] /= length;*/
- return(length);
-}
-
-
-float rsVec::dot(rsVec vec1){
- return(v[0] * vec1[0] + v[1] * vec1[1] + v[2] * vec1[2]);
-}
-
-
-void rsVec::cross(rsVec vec1, rsVec vec2){
- v[0] = vec1[1] * vec2[2] - vec2[1] * vec1[2];
- v[1] = vec1[2] * vec2[0] - vec2[2] * vec1[0];
- v[2] = vec1[0] * vec2[1] - vec2[0] * vec1[1];
-}
-
-
-//----------------------------------------------------------------------------
-
-
-void hsl2rgb(float h, float s, float l, float &r, float &g, float &b)
-{
- // hue influence
- if(h < 0.166667){ // full red, some green
- r = 1.0;
- g = h * 6.0f;
- b = 0.0;
- }
- else {
- if(h < 0.5){ // full green
- g = 1.0;
- if(h < 0.333333){ // some red
- r = 1.0f - ((h - 0.166667f) * 6.0f);
- b = 0.0;
- }
- else{ // some blue
- b = (h - 0.333333f) * 6.0f;
- r = 0.0;
- }
- }
- else{
- if(h < 0.833333){ // full blue
- b = 1.0;
- if(h < 0.666667){ // some green
- g = 1.0f - ((h - 0.5f) * 6.0f);
- r = 0.0;
- }
- else{ // some red
- r = (h - 0.666667f) * 6.0f;
- g = 0.0;
- }
- }
- else{ // full red, some blue
- r = 1.0;
- b = 1.0f - ((h - 0.833333f) * 6.0f);
- g = 0.0;
- }
- }
- }
-
- // saturation influence
- r = 1.0f - (s * (1.0f - r));
- g = 1.0f - (s * (1.0f - g));
- b = 1.0f - (s * (1.0f - b));
-
- // luminosity influence
- r *= l;
- g *= l;
- b *= l;
-}
-
-
-// Useful random number macros
-// Don't forget to initialize with srand()
-inline int myRandi(int x){
- return((rand() * x) / RAND_MAX);
-}
-inline float myRandf(float x){
- return(float(rand() * x) / float(RAND_MAX));
-}
-
-
-//----------------------------------------------------------------------------
-
-
-// Context pointer to allow many instances.
-static EuphoriaWidget* _ec = 0;
-
-
-class wisp
-{
-public:
-
- wisp();
- ~wisp();
- void update();
- void draw();
- void drawAsBackground();
-
-
- int density;
- float*** vertices;
- float c[NUMCONSTS]; // constants
- float cr[NUMCONSTS]; // constants' radial position
- float cv[NUMCONSTS]; // constants' change velocities
- float hsl[3];
- float rgb[3];
- float hueSpeed;
- float saturationSpeed;
-};
-
-
-wisp::wisp()
-{
- int i, j;
- float recHalfDens = 1.0f / (float(_ec->dDensity) * 0.5f);
-
- density = _ec->dDensity;
- vertices = new float**[density+1];
- for(i=0; i<=density; i++)
- {
- vertices[i] = new float*[density+1];
- for(j=0; j<=density; j++)
- {
- vertices[i][j] = new float[7];
- vertices[i][j][3] = float(i) * recHalfDens - 1.0f; // x position on grid
- vertices[i][j][4] = float(j) * recHalfDens - 1.0f; // y position on grid
- // distance squared from the center
- vertices[i][j][5] = vertices[i][j][3] * vertices[i][j][3]
- + vertices[i][j][4] * vertices[i][j][4];
- vertices[i][j][6] = 0.0f; // intensity
- }
- }
-
- // initialize constants
- for(i=0; i<NUMCONSTS; i++)
- {
- c[i] = myRandf(2.0f) - 1.0f;
- cr[i] = myRandf(PIx2);
- cv[i] = myRandf(_ec->dSpeed * 0.03f) + (_ec->dSpeed * 0.001f);
- }
-
- // pick color
- hsl[0] = myRandf(1.0f);
- hsl[1] = 0.1f + myRandf(0.9f);
- hsl[2] = 1.0f;
- hueSpeed = myRandf(0.1f) - 0.05f;
- saturationSpeed = myRandf(0.04f) + 0.001f;
-}
-
-
-wisp::~wisp()
-{
- int i, j;
-
- for(i=0; i<=density; i++)
- {
- for(j=0; j<=density; j++)
- {
- delete[] vertices[i][j];
- }
- delete[] vertices[i];
- }
- delete[] vertices;
-}
-
-
-void wisp::update()
-{
- int i, j;
- rsVec up, right, crossvec;
- // visibility constants
- static float viscon1 = float(_ec->dVisibility) * 0.01f;
- static float viscon2 = 1.0f / viscon1;
-
- // update constants
- for(i=0; i<NUMCONSTS; i++){
- cr[i] += cv[i] * _ec->elapsedTime;
- if(cr[i] > PIx2)
- cr[i] -= PIx2;
- c[i] = cos(cr[i]);
- }
-
- // update vertex positions
- for(i=0; i<=density; i++){
- for(j=0; j<=density; j++){
- vertices[i][j][0] = vertices[i][j][3] * vertices[i][j][3] * vertices[i][j][4] * c[0]
- + vertices[i][j][5] * c[1] + 0.5f * c[2];
- vertices[i][j][1] = vertices[i][j][4] * vertices[i][j][4] * vertices[i][j][5] * c[3]
- + vertices[i][j][3] * c[4] + 0.5f * c[5];
- vertices[i][j][2] = vertices[i][j][5] * vertices[i][j][5] * vertices[i][j][3] * c[6]
- + vertices[i][j][4] * c[7] + c[8];
- }
- }
-
- // update vertex normals for most of mesh
- for(i=1; i<density; i++){
- for(j=1; j<density; j++){
- up.set(vertices[i][j+1][0] - vertices[i][j-1][0],
- vertices[i][j+1][1] - vertices[i][j-1][1],
- vertices[i][j+1][2] - vertices[i][j-1][2]);
- right.set(vertices[i+1][j][0] - vertices[i-1][j][0],
- vertices[i+1][j][1] - vertices[i-1][j][1],
- vertices[i+1][j][2] - vertices[i-1][j][2]);
- up.normalize();
- right.normalize();
- crossvec.cross(right, up);
- // Use depth component of normal to compute intensity
- // This way only edges of wisp are bright
- if(crossvec[2] < 0.0f)
- crossvec[2] *= -1.0f;
- vertices[i][j][6] = viscon2 * (viscon1 - crossvec[2]);
- if(vertices[i][j][6] > 1.0f)
- vertices[i][j][6] = 1.0f;
- if(vertices[i][j][6] < 0.0f)
- vertices[i][j][6] = 0.0f;
- }
- }
-
- // update color
- hsl[0] += hueSpeed * _ec->elapsedTime;
- if(hsl[0] < 0.0f)
- hsl[0] += 1.0f;
- if(hsl[0] > 1.0f)
- hsl[0] -= 1.0f;
- hsl[1] += saturationSpeed * _ec->elapsedTime;
- if(hsl[1] <= 0.1f){
- hsl[1] = 0.1f;
- saturationSpeed = -saturationSpeed;
- }
- if(hsl[1] >= 1.0f){
- hsl[1] = 1.0f;
- saturationSpeed = -saturationSpeed;
- }
- hsl2rgb(hsl[0], hsl[1], hsl[2], rgb[0], rgb[1], rgb[2]);
-}
-
-
-void wisp::draw()
-{
- int i, j;
-
- glPushMatrix();
-
- if(_ec->dWireframe)
- {
- for(i=1; i<density; i++){
- glBegin(GL_LINE_STRIP);
- for(j=0; j<=density; j++){
- glColor3f(rgb[0] + vertices[i][j][6] - 1.0f, rgb[1] + vertices[i][j][6] - 1.0f, rgb[2] + vertices[i][j][6] - 1.0f);
- glTexCoord2d(vertices[i][j][3] - vertices[i][j][0], vertices[i][j][4] - vertices[i][j][1]);
- glVertex3fv(vertices[i][j]);
- }
- glEnd();
- }
- for(j=1; j<density; j++){
- glBegin(GL_LINE_STRIP);
- for(i=0; i<=density; i++){
- glColor3f(rgb[0] + vertices[i][j][6] - 1.0f, rgb[1] + vertices[i][j][6] - 1.0f, rgb[2] + vertices[i][j][6] - 1.0f);
- glTexCoord2d(vertices[i][j][3] - vertices[i][j][0], vertices[i][j][4] - vertices[i][j][1]);
- glVertex3fv(vertices[i][j]);
- }
- glEnd();
- }
- }
- else
- {
- for(i=0; i<density; i++){
- glBegin(GL_TRIANGLE_STRIP);
- for(j=0; j<=density; j++){
- glColor3f(rgb[0] + vertices[i+1][j][6] - 1.0f, rgb[1] + vertices[i+1][j][6] - 1.0f, rgb[2] + vertices[i+1][j][6] - 1.0f);
- glTexCoord2d(vertices[i+1][j][3] - vertices[i+1][j][0], vertices[i+1][j][4] - vertices[i+1][j][1]);
- glVertex3fv(vertices[i+1][j]);
- glColor3f(rgb[0] + vertices[i][j][6] - 1.0f, rgb[1] + vertices[i][j][6] - 1.0f, rgb[2] + vertices[i][j][6] - 1.0f);
- glTexCoord2d(vertices[i][j][3] - vertices[i][j][0], vertices[i][j][4] - vertices[i][j][1]);
- glVertex3fv(vertices[i][j]);
- }
- glEnd();
- }
- }
-
- glPopMatrix();
-}
-
-
-void wisp::drawAsBackground()
-{
- int i, j;
-
- glPushMatrix();
- glTranslatef(c[0] * 0.2f, c[1] * 0.2f, 1.6f);
-
- if(_ec->dWireframe)
- {
- for(i=1; i<density; i++){
- glBegin(GL_LINE_STRIP);
- for(j=0; j<=density; j++){
- glColor3f(rgb[0] + vertices[i][j][6] - 1.0f, rgb[1] + vertices[i][j][6] - 1.0f, rgb[2] + vertices[i][j][6] - 1.0f);
- glTexCoord2d(vertices[i][j][3] - vertices[i][j][0], vertices[i][j][4] - vertices[i][j][1]);
- glVertex3f(vertices[i][j][3], vertices[i][j][4], vertices[i][j][6]);
- }
- glEnd();
- }
- for(j=1; j<density; j++){
- glBegin(GL_LINE_STRIP);
- for(i=0; i<=density; i++){
- glColor3f(rgb[0] + vertices[i][j][6] - 1.0f, rgb[1] + vertices[i][j][6] - 1.0f, rgb[2] + vertices[i][j][6] - 1.0f);
- glTexCoord2d(vertices[i][j][3] - vertices[i][j][0], vertices[i][j][4] - vertices[i][j][1]);
- glVertex3f(vertices[i][j][3], vertices[i][j][4], vertices[i][j][6]);
- }
- glEnd();
- }
- }
- else
- {
- for(i=0; i<density; i++){
- glBegin(GL_TRIANGLE_STRIP);
- for(j=0; j<=density; j++){
- glColor3f(rgb[0] + vertices[i+1][j][6] - 1.0f, rgb[1] + vertices[i+1][j][6] - 1.0f, rgb[2] + vertices[i+1][j][6] - 1.0f);
- glTexCoord2d(vertices[i+1][j][3] - vertices[i+1][j][0], vertices[i+1][j][4] - vertices[i+1][j][1]);
- glVertex3f(vertices[i+1][j][3], vertices[i+1][j][4], vertices[i+1][j][6]);
- glColor3f(rgb[0] + vertices[i][j][6] - 1.0f, rgb[1] + vertices[i][j][6] - 1.0f, rgb[2] + vertices[i][j][6] - 1.0f);
- glTexCoord2d(vertices[i][j][3] - vertices[i][j][0], vertices[i][j][4] - vertices[i][j][1]);
- glVertex3f(vertices[i][j][3], vertices[i][j][4], vertices[i][j][6]);
- }
- glEnd();
- }
- }
-
- glPopMatrix();
-}
-
-
-//----------------------------------------------------------------------------
-
-
-EuphoriaWidget::EuphoriaWidget( TQWidget* parent, const char* name )
- : TQGLWidget(parent, name), texName(0), _wisps(0), _backwisps(0),
- feedbackmap(0), feedbacktex(0)
-{
- setDefaults( Regular );
-
- _frameTime = 1000 / 60;
- _timer = new TQTimer( this );
- connect( _timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(nextFrame()) );
-}
-
-
-EuphoriaWidget::~EuphoriaWidget()
-{
- // Free memory
- if ( texName )
- glDeleteTextures( 1, &texName );
- if ( feedbacktex )
- glDeleteTextures( 1, &feedbacktex );
- delete[] _wisps;
- delete[] _backwisps;
-}
-
-
-void EuphoriaWidget::paintGL()
-{
- int i;
- static double lastTime = timeGetTime();
-
- // update time
- elapsedTime = timeGetTime() - lastTime;
- lastTime += elapsedTime;
-
- _ec = this;
-
- // Update wisps
- for(i=0; i<dWisps; i++)
- _wisps[i].update();
- for(i=0; i<dBackground; i++)
- _backwisps[i].update();
-
-
- if(dFeedback)
- {
- float feedbackIntensity = float(dFeedback) / 101.0f;
-
- // update feedback variables
- for(i=0; i<4; i++)
- {
- fr[i] += elapsedTime * fv[i];
- if(fr[i] > PIx2)
- fr[i] -= PIx2;
- }
- f[0] = 30.0f * cos(fr[0]);
- f[1] = 0.2f * cos(fr[1]);
- f[2] = 0.2f * cos(fr[2]);
- f[3] = 0.8f * cos(fr[3]);
- for(i=0; i<3; i++)
- {
- lr[i] += elapsedTime * lv[i];
- if(lr[i] > PIx2)
- lr[i] -= PIx2;
- l[i] = cos(lr[i]);
- l[i] = l[i] * l[i];
- }
-
- // Create drawing area for feedback texture
- glViewport(0, 0, feedbacktexsize, feedbacktexsize);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluPerspective(30.0, aspectRatio, 0.01f, 20.0f);
- glMatrixMode(GL_MODELVIEW);
-
- // Draw
- glClear(GL_COLOR_BUFFER_BIT);
- glColor3f(feedbackIntensity, feedbackIntensity, feedbackIntensity);
- glBindTexture(GL_TEXTURE_2D, feedbacktex);
- glPushMatrix();
- glTranslatef(f[1] * l[1], f[2] * l[1], f[3] * l[2]);
- glRotatef(f[0] * l[0], 0, 0, 1);
- glBegin(GL_TRIANGLE_STRIP);
- glTexCoord2f(-0.5f, -0.5f);
- glVertex3f(-aspectRatio*2.0f, -2.0f, 1.25f);
- glTexCoord2f(1.5f, -0.5f);
- glVertex3f(aspectRatio*2.0f, -2.0f, 1.25f);
- glTexCoord2f(-0.5f, 1.5f);
- glVertex3f(-aspectRatio*2.0f, 2.0f, 1.25f);
- glTexCoord2f(1.5f, 1.5f);
- glVertex3f(aspectRatio*2.0f, 2.0f, 1.25f);
- glEnd();
- glPopMatrix();
- glBindTexture(GL_TEXTURE_2D, texName);
- for(i=0; i<dBackground; i++)
- _backwisps[i].drawAsBackground();
- for(i=0; i<dWisps; i++)
- _wisps[i].draw();
-
- // readback feedback texture
- glReadBuffer(GL_BACK);
- glPixelStorei(GL_UNPACK_ROW_LENGTH, feedbacktexsize);
- glBindTexture(GL_TEXTURE_2D, feedbacktex);
- glReadPixels(0, 0, feedbacktexsize, feedbacktexsize, GL_RGB, GL_UNSIGNED_BYTE, feedbackmap);
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, feedbacktexsize, feedbacktexsize, GL_RGB, GL_UNSIGNED_BYTE, feedbackmap);
-
- // create regular drawing area
- glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluPerspective(20.0, aspectRatio, 0.01f, 20.0f);
- glMatrixMode(GL_MODELVIEW);
-
- // Draw again
- glClear(GL_COLOR_BUFFER_BIT);
- glColor3f(feedbackIntensity, feedbackIntensity, feedbackIntensity);
- glPushMatrix();
- glTranslatef(f[1] * l[1], f[2] * l[1], f[3] * l[2]);
- glRotatef(f[0] * l[0], 0, 0, 1);
- glBegin(GL_TRIANGLE_STRIP);
- glTexCoord2f(-0.5f, -0.5f);
- glVertex3f(-aspectRatio*2.0f, -2.0f, 1.25f);
- glTexCoord2f(1.5f, -0.5f);
- glVertex3f(aspectRatio*2.0f, -2.0f, 1.25f);
- glTexCoord2f(-0.5f, 1.5f);
- glVertex3f(-aspectRatio*2.0f, 2.0f, 1.25f);
- glTexCoord2f(1.5f, 1.5f);
- glVertex3f(aspectRatio*2.0f, 2.0f, 1.25f);
- glEnd();
- glPopMatrix();
-
- glBindTexture(GL_TEXTURE_2D, texName);
- }
- else
- glClear(GL_COLOR_BUFFER_BIT);
-
- //
- for(i=0; i<dBackground; i++)
- _backwisps[i].drawAsBackground();
- for(i=0; i<dWisps; i++)
- _wisps[i].draw();
-
- glFlush();
-}
-
-
-void EuphoriaWidget::resizeGL( int w, int h )
-{
- glViewport(0, 0, w, h );
-
- viewport[0] = 0;
- viewport[1] = 0;
- viewport[2] = w;
- viewport[3] = h;
-
- aspectRatio = (float) w / (float) h;
-
- // setup regular drawing area just in case feedback isn't used
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluPerspective(20.0, aspectRatio, 0.01, 20);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslatef(0.0, 0.0, -5.0);
-}
-
-
-// Window initialization
-void EuphoriaWidget::initializeGL()
-{
- // Need to call this to setup viewport[] parameters used in
- // the next updateParameters() call
- resizeGL( width(), height() );
-
- updateParameters();
-
- _timer->start( _frameTime, true );
-}
-
-
-#ifdef UNIT_TEST
-void EuphoriaWidget::keyPressEvent( TQKeyEvent* e )
-{
- if( e->key() == TQt::Key_0 ) { setDefaults( 0 ); updateParameters(); }
- if( e->key() == TQt::Key_1 ) { setDefaults( 1 ); updateParameters(); }
- if( e->key() == TQt::Key_2 ) { setDefaults( 2 ); updateParameters(); }
- if( e->key() == TQt::Key_3 ) { setDefaults( 3 ); updateParameters(); }
- if( e->key() == TQt::Key_4 ) { setDefaults( 4 ); updateParameters(); }
- if( e->key() == TQt::Key_5 ) { setDefaults( 5 ); updateParameters(); }
- if( e->key() == TQt::Key_6 ) { setDefaults( 6 ); updateParameters(); }
- if( e->key() == TQt::Key_7 ) { setDefaults( 7 ); updateParameters(); }
- if( e->key() == TQt::Key_8 ) { setDefaults( 8 ); updateParameters(); }
-}
-#endif
-
-
-void EuphoriaWidget::nextFrame()
-{
- updateGL();
- _timer->start( _frameTime, true );
-}
-
-
-void EuphoriaWidget::updateParameters()
-{
- srand((unsigned)time(NULL));
- rand(); rand(); rand(); rand(); rand();
-
- elapsedTime = 0.0f;
-
- fr[0] = 0.0f;
- fr[1] = 0.0f;
- fr[2] = 0.0f;
- fr[3] = 0.0f;
-
- lr[0] = 0.0f;
- lr[1] = 0.0f;
- lr[2] = 0.0f;
-
- glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
- glClear(GL_COLOR_BUFFER_BIT);
- glEnable(GL_BLEND);
- glBlendFunc(GL_ONE, GL_ONE);
- glLineWidth(2.0f);
-
- // Commented out because smooth lines and textures don't mix on my TNT.
- // It's like it rendering in software mode
- glEnable(GL_LINE_SMOOTH);
- //glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
-
- if(dTexture)
- {
- int whichtex = dTexture;
- if(whichtex == 4) // random texture
- whichtex = myRandi(3) + 1;
- glEnable(GL_TEXTURE_2D);
- glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
- // Initialize texture
- glGenTextures(1, &texName);
- glBindTexture(GL_TEXTURE_2D, texName);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
- switch(whichtex){
- case 1:
- gluBuild2DMipmaps(GL_TEXTURE_2D, 1, TEXSIZE, TEXSIZE, GL_LUMINANCE, GL_UNSIGNED_BYTE, plasmamap);
- break;
- case 2:
- gluBuild2DMipmaps(GL_TEXTURE_2D, 1, TEXSIZE, TEXSIZE, GL_LUMINANCE, GL_UNSIGNED_BYTE, stringymap);
- break;
- case 3:
- gluBuild2DMipmaps(GL_TEXTURE_2D, 1, TEXSIZE, TEXSIZE, GL_LUMINANCE, GL_UNSIGNED_BYTE, linesmap);
- }
- } else if ( texName ) {
- glDeleteTextures( 1, &texName );
- texName = 0;
- }
-
- if(dFeedback)
- {
- feedbacktexsize = int(pow(2.0, dFeedbacksize));
- while(feedbacktexsize > viewport[2] || feedbacktexsize > viewport[3]){
- dFeedbacksize -= 1;
- feedbacktexsize = int(pow(2.0, dFeedbacksize));
- }
-
- // feedback texture setup
- glEnable(GL_TEXTURE_2D);
- delete [] feedbackmap;
- feedbackmap = new unsigned char[feedbacktexsize*feedbacktexsize*3];
- glGenTextures(1, &feedbacktex);
- glBindTexture(GL_TEXTURE_2D, feedbacktex);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
- glTexImage2D(GL_TEXTURE_2D, 0, 3, feedbacktexsize, feedbacktexsize, 0, GL_RGB, GL_UNSIGNED_BYTE, feedbackmap);
-
- // feedback velocity variable setup
- fv[0] = float(dFeedbackspeed) * (myRandf(0.025f) + 0.025f);
- fv[1] = float(dFeedbackspeed) * (myRandf(0.05f) + 0.05f);
- fv[2] = float(dFeedbackspeed) * (myRandf(0.05f) + 0.05f);
- fv[3] = float(dFeedbackspeed) * (myRandf(0.1f) + 0.1f);
- lv[0] = float(dFeedbackspeed) * (myRandf(0.0025f) + 0.0025f);
- lv[1] = float(dFeedbackspeed) * (myRandf(0.0025f) + 0.0025f);
- lv[2] = float(dFeedbackspeed) * (myRandf(0.0025f) + 0.0025f);
- } else if ( feedbacktex ) {
- glDeleteTextures( 1, &feedbacktex );
- feedbacktex = 0;
- }
-
- // Initialize wisps
- _ec = this;
- delete[] _wisps;
- delete[] _backwisps;
- _wisps = new wisp[dWisps];
- _backwisps = new wisp[dBackground];
-}
-
-
-/**
- May be called at any time - makes no OpenGL calls.
-*/
-void EuphoriaWidget::setDefaults(int which)
-{
- switch(which)
- {
- case Grid:
- dWisps = 4;
- dBackground = 1;
- dDensity = 25;
- dVisibility = 70;
- dSpeed = 15;
- dFeedback = 0;
- dFeedbackspeed = 1;
- dFeedbacksize = 8;
- dWireframe = 1;
- dTexture = 0;
- break;
-
- case Cubism:
- dWisps = 15;
- dBackground = 0;
- dDensity = 4;
- dVisibility = 15;
- dSpeed = 10;
- dFeedback = 0;
- dFeedbackspeed = 1;
- dFeedbacksize = 8;
- dWireframe = 0;
- dTexture = 0;
- break;
-
- case BadMath:
- dWisps = 2;
- dBackground = 2;
- dDensity = 20;
- dVisibility = 40;
- dSpeed = 30;
- dFeedback = 40;
- dFeedbackspeed = 5;
- dFeedbacksize = 8;
- dWireframe = 1;
- dTexture = 2;
- break;
-
- case MTheory:
- dWisps = 3;
- dBackground = 0;
- dDensity = 25;
- dVisibility = 15;
- dSpeed = 20;
- dFeedback = 40;
- dFeedbackspeed = 20;
- dFeedbacksize = 8;
- dWireframe = 0;
- dTexture = 0;
- break;
-
- case UHFTEM:
- dWisps = 0;
- dBackground = 3;
- dDensity = 35;
- dVisibility = 5;
- dSpeed = 50;
- dFeedback = 0;
- dFeedbackspeed = 1;
- dFeedbacksize = 8;
- dWireframe = 0;
- dTexture = 0;
- break;
-
- case Nowhere:
- dWisps = 0;
- dBackground = 3;
- dDensity = 30;
- dVisibility = 40;
- dSpeed = 20;
- dFeedback = 80;
- dFeedbackspeed = 10;
- dFeedbacksize = 8;
- dWireframe = 1;
- dTexture = 3;
- break;
-
- case Echo:
- dWisps = 3;
- dBackground = 0;
- dDensity = 25;
- dVisibility = 30;
- dSpeed = 20;
- dFeedback = 85;
- dFeedbackspeed = 30;
- dFeedbacksize = 8;
- dWireframe = 0;
- dTexture = 1;
- break;
-
- case Kaleidoscope:
- dWisps = 3;
- dBackground = 0;
- dDensity = 25;
- dVisibility = 40;
- dSpeed = 15;
- dFeedback = 90;
- dFeedbackspeed = 3;
- dFeedbacksize = 8;
- dWireframe = 0;
- dTexture = 0;
- break;
-
- case Regular:
- default:
- dWisps = 5;
- dBackground = 0;
- dDensity = 25;
- dVisibility = 35;
- dSpeed = 15;
- dFeedback = 0;
- dFeedbackspeed = 1;
- dFeedbacksize = 8;
- dWireframe = 0;
- dTexture = 2;
- break;
- }
-}
-
-
-//----------------------------------------------------------------------------
-
-
-#ifndef UNIT_TEST
-#include <klocale.h>
-#include <kglobal.h>
-#include <kconfig.h>
-
-
-// libkscreensaver interface
-extern "C"
-{
- KDE_EXPORT const char* kss_applicationName = "keuphoria.kss";
- KDE_EXPORT const char* kss_description = I18N_NOOP( "Euphoria" );
- KDE_EXPORT const char* kss_version = "1.0";
-
- KDE_EXPORT KScreenSaver* kss_create( WId id )
- {
- return new KEuphoriaScreenSaver( id );
- }
-
- KDE_EXPORT TQDialog* kss_setup()
- {
- return new KEuphoriaSetup;
- }
-}
-
-
-//----------------------------------------------------------------------------
-
-
-KEuphoriaScreenSaver::KEuphoriaScreenSaver( WId id ) : KScreenSaver( id )
-{
- _effect = new EuphoriaWidget;
-
- readSettings();
-
- embed( _effect );
- _effect->show();
-}
-
-
-KEuphoriaScreenSaver::~KEuphoriaScreenSaver()
-{
-}
-
-
-static int filterRandom( int n )
-{
- if( (n < 0) || (n >= EuphoriaWidget::DefaultModes) )
- {
- srand((unsigned)time(NULL));
- n = rand() % EuphoriaWidget::DefaultModes;
- }
- return n;
-}
-
-
-void KEuphoriaScreenSaver::readSettings()
-{
- TDEConfig* config = TDEGlobal::config();
- config->setGroup("Settings");
-
- _mode = config->readNumEntry( "Mode", EuphoriaWidget::Regular );
- _effect->setDefaults( filterRandom(_mode) );
-}
-
-
-/**
- Any invalid mode will select one at random.
-*/
-void KEuphoriaScreenSaver::setMode( int id )
-{
- _mode = id;
- _effect->setDefaults( filterRandom(id) );
- _effect->updateParameters();
-}
-
-
-//----------------------------------------------------------------------------
-
-
-#include <tqlayout.h>
-#include <tqlabel.h>
-#include <tqcombobox.h>
-#include <kmessagebox.h>
-
-
-static const char* defaultText[] =
-{
- I18N_NOOP( "Regular" ),
- I18N_NOOP( "Grid" ),
- I18N_NOOP( "Cubism" ),
- I18N_NOOP( "Bad Math" ),
- I18N_NOOP( "M-Theory" ),
- I18N_NOOP( "UHFTEM" ), //"ultra high frequency tunneling electron microscope",
- I18N_NOOP( "Nowhere" ),
- I18N_NOOP( "Echo" ),
- I18N_NOOP( "Kaleidoscope" ),
- I18N_NOOP( "(Random)" ),
- 0
-};
-
-
-KEuphoriaSetup::KEuphoriaSetup( TQWidget* parent, const char* name )
- : KDialogBase( parent, name, true, i18n("Setup Euphoria Screen Saver"),
- Ok|Cancel|Help, Ok, true )
-{
- setButtonText( Help, i18n( "A&bout" ) );
-
- TQWidget *main = makeMainWidget();
-
- TQHBoxLayout* top = new TQHBoxLayout(main, 0, spacingHint());
- TQVBoxLayout* leftCol = new TQVBoxLayout;
- top->addLayout( leftCol );
-
- TQLabel* label = new TQLabel( i18n("Mode:"), main );
- leftCol->addWidget( label );
-
- modeW = new TQComboBox( main );
- int i = 0;
- while (defaultText[i])
- modeW->insertItem( i18n(defaultText[i++]) );
- leftCol->addWidget( modeW );
-
- leftCol->addStretch();
-
- // Preview
- TQWidget* preview;
- preview = new TQWidget( main );
- preview->setFixedSize( 220, 170 );
- preview->setBackgroundColor( black );
- preview->show(); // otherwise saver does not get correct size
- _saver = new KEuphoriaScreenSaver( preview->winId() );
- top->addWidget(preview);
-
- // Now that we have _saver...
- modeW->setCurrentItem( _saver->mode() ); // set before we connect
- connect( modeW, TQT_SIGNAL(activated(int)), _saver, TQT_SLOT(setMode(int)) );
-
- setMinimumSize( sizeHint() );
-}
-
-
-KEuphoriaSetup::~KEuphoriaSetup()
-{
- delete _saver;
-}
-
-
-void KEuphoriaSetup::slotHelp()
-{
- KMessageBox::about(this,
- i18n("<h3>Euphoria 1.0</h3>\n<p>Copyright (c) 2002 Terence M. Welsh<br>\n<a href=\"http://www.reallyslick.com/\">http://www.reallyslick.com/</a></p>\n\n<p>Ported to KDE by Karl Robillard</p>"),
- TQString(), KMessageBox::AllowLink);
-}
-
-
-/**
- Ok pressed - save settings and exit
-*/
-void KEuphoriaSetup::slotOk()
-{
- TDEConfig* config = TDEGlobal::config();
- config->setGroup("Settings");
-
- TQString val;
- val.setNum( modeW->currentItem() );
- config->writeEntry("Mode", val );
-
- config->sync();
- accept();
-}
-#endif
-//----------------------------------------------------------------------------
-
-
-#ifdef UNIT_TEST
-// moc Euphoria.h -o Euphoria.moc
-// g++ -g -DUNIT_TEST Euphoria.cpp -I/usr/lib/qt3/include -lqt -L/usr/lib/qt3/lib -lGLU -lGL
-
-#include <tqapplication.h>
-
-int main( int argc, char** argv )
-{
- TQApplication app( argc, argv );
-
- EuphoriaWidget w;
- w.setDefaults( EuphoriaWidget::UHFTEM );
- app.setMainWidget( &w );
- w.show();
-
- return app.exec();
-}
-#endif
-
-
-//EOF
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-14 16:34:20 +0000