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Himanshu4746Himanshu4746
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loading screen
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+162
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‎main.cpp

Lines changed: 162 additions & 128 deletions
Original file line numberDiff line numberDiff line change
@@ -12,7 +12,9 @@ vector<unsigned char> logo;
1212
sf::SoundBuffer buffer;
1313
sf::Sound sound(buffer);
1414

15-
int flag=0,temp=0;
15+
pthread_t threads[1]; //for multi threading
16+
int rc1;
17+
int flag=0,temp=0,loading=0,timerFlag=0;
1618
int W,H;
1719
typedef unsigned long long timestamp_t;
1820
int j=0;
@@ -26,8 +28,10 @@ int styleselect=0;
2628
int NO_STYLE=5;
2729
int countr=0,countg=0,countb=0;
2830
float curtime;
31+
string fName;
2932

3033
static timestamp_t
34+
3135
get_timestamp ()
3236
{
3337
struct timeval now;
@@ -51,16 +55,6 @@ void getFft(const kiss_fft_cpx in[N], kiss_fft_cpx out[N])
5155

5256
}
5357

54-
/** print vector **/
55-
void print_vec(const std::vector<int> vec)
56-
{
57-
for (auto x : vec)
58-
{
59-
std::cout << ' ' << x;
60-
}
61-
std::cout << '\n';
62-
}
63-
6458
void reshape(int w, int h)
6559
{
6660
// W=w;
@@ -217,102 +211,17 @@ void idle()
217211
glutPostRedisplay();
218212
}
219213

220-
void display(void)
214+
void loadlogo()
221215
{
222-
//sets color buffer bit
223-
glClearColor(28/255.0,49/255.0,58/255.0,0.0);
224-
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clears display with buffer color & depth values set in init()
225-
//circle
226-
glLoadIdentity(); //Loads identity matrix for each iteration of display
227-
//circle3d();
228-
glColor3f(0,1,0);
229-
230-
if(flag==0)
231-
{
232-
glRasterPos3f(-200,-150,-500);
233-
glDrawPixels(250,250,GL_RGBA,GL_UNSIGNED_BYTE,&logo[0]);
234-
drawStrokeText((char *)"MORPHY",-100,125,-200);
235-
instructText((char *)"Press space to continue!",-75,-100,-200);
236-
instructText((char *)"K. Vishnudev",-75,-180,-200);
237-
instructText((char *)"Himanshu Kumar",-75,-200,-200);
238-
}
239-
else
216+
int error;
217+
unsigned width = 250;
218+
unsigned height = 250;
219+
const char* name = "logo.png";
220+
if((error=lodepng::decode(logo,width,height,name)))
240221
{
241-
std::ostringstream ss;
242-
float tottime = buffer.getDuration().asSeconds();
243-
float cursor = sound.getPlayingOffset().asSeconds();
244-
curtime = sound.getPlayingOffset().asMilliseconds();
245-
//cout<<curtime<<endl;
246-
float timepercent = (cursor/tottime)*760;
247-
ss << (int)cursor;
248-
const std::string tmp = "Time : " + ss.str();
249-
const char* cstr = tmp.c_str();
250-
glClearColor(0,0,0,0);
251-
if(temp==1)
252-
{
253-
glColor3f(128/255.0,222/255.0,234/255.0);
254-
glBegin(GL_POLYGON);
255-
glVertex3f(-380,-290,-300.0);
256-
glVertex3f(-380,-280,-300.0);
257-
glVertex3f(-380+(int)timepercent,-280,-300.0);
258-
glVertex3f(-380+(int)timepercent,-290,-300.0);
259-
glEnd();
260-
261-
glColor3f(1,1,244/255.0);
262-
glBegin(GL_LINE_LOOP);
263-
glVertex3f(-380,-292.0,-300.0);
264-
glVertex3f(-380,-278.0,-300.0);
265-
glVertex3f(380,-278.0,-300.0);
266-
glVertex3f(380,-292.0,-300.0);
267-
glEnd();
268-
269-
270-
instructText((char*)cstr,-250,-175,-200);
271-
nav();
272-
273-
//instructText((char*)cstr,-250,-175,-200);
274-
if(styleselect==0)
275-
{
276-
bars();
277-
}
278-
else if(styleselect==1)
279-
{
280-
circle3d();
281-
}
282-
else if(styleselect==2)
283-
{
284-
dust();
285-
}
286-
else if(styleselect==3)
287-
{
288-
pentagon();
289-
}
290-
else if(styleselect==4)
291-
{
292-
waves();
293-
}
294-
// else if(styleselect==4)
295-
// {
296-
// CubicalMesh();
297-
// }
298-
// else if(styleselect==6)
299-
// {
300-
// DWaves();
301-
// }
302-
// else if(styleselect==6)
303-
// {
304-
// mesh3D();
305-
// }
306-
}
307-
else
308-
{
309-
//instructText((char *)"Paused!",-75,-200,-200);
310-
pausebutton();
311-
}
222+
printf("Error %s",lodepng_error_text(error));
223+
exit(0);
312224
}
313-
glutSwapBuffers();
314-
//if(sound.getPlayingOffset().asSeconds()==buffer.getDuration().asSeconds())
315-
// exit(0);
316225
}
317226

318227
int BinSrch(int freq)
@@ -329,31 +238,11 @@ int BinSrch(int freq)
329238
return i;
330239
}
331240

332-
void loadlogo()
333-
{
334-
int error;
335-
unsigned width = 250;
336-
unsigned height = 250;
337-
const char* name = "logo.png";
338-
if((error=lodepng::decode(logo,width,height,name)))
339-
{
340-
printf("Error %s",lodepng_error_text(error));
341-
exit(0);
342-
}
343-
}
344-
345-
int main(int argc, char *argv[])
346-
{
347-
loadlogo();
348-
//SFML usage error
349-
if (argc < 2)
350-
{
351-
std::cout << "Usage: wave_iteration <FILENAME>" << std::endl;
352-
return 1;
353-
}
241+
void loadData(){
242+
loadlogo();
354243

355-
if (!buffer.loadFromFile(argv[1]))
356-
return 0;
244+
if (!buffer.loadFromFile(fName.c_str()))
245+
exit(0);
357246
//sound.play(); called just before display
358247
std::cout<<"SampleRate: "<<(SAMPLE_RATE= buffer.getSampleRate())<< std::endl;
359248
std::cout<<"SampleCount: "<<(SAMPLE_COUNT= buffer.getSampleCount())<< std::endl;
@@ -504,6 +393,151 @@ int main(int argc, char *argv[])
504393
cout<<endl;
505394
*/
506395
}
396+
}
397+
398+
void *callLoadData(void *thread)
399+
{
400+
loadData();
401+
loading=1;
402+
pthread_exit(NULL);
403+
}
404+
405+
void loadingScreen()
406+
{
407+
static int rot_val=0;
408+
drawStrokeText((char *)"Loading!",-100,125,-200);
409+
glColor3f(1,1,1);
410+
glRotated(-rot_val,0,0,1);
411+
float i=1.5;
412+
for(int theta=360;theta>0;theta-=30)
413+
{
414+
int x=60*cos(theta*3.141592/180);
415+
int y=60*sin(theta*3.141592/180);
416+
glPointSize(i);
417+
glBegin(GL_POINTS);
418+
glVertex3f(x,y,-200);
419+
glEnd();
420+
i+=.5;
421+
}
422+
rot_val+=1;
423+
}
424+
void display(void)
425+
{
426+
//sets color buffer bit
427+
glClearColor(28/255.0,49/255.0,58/255.0,0.0);
428+
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //clears display with buffer color & depth values set in init()
429+
//circle
430+
glLoadIdentity(); //Loads identity matrix for each iteration of display
431+
//circle3d();
432+
glColor3f(0,1,0);
433+
if(loading==0){
434+
loadingScreen();
435+
if(timerFlag++==0){
436+
rc1 = pthread_create(&threads[0], NULL, callLoadData, (void *)0);
437+
if (rc1){
438+
cout << "Error:unable to create thread rc2," << rc1 << endl;
439+
exit(-1);
440+
}
441+
}
442+
}
443+
else if(flag==0)
444+
{
445+
glRasterPos3f(-200,-150,-500);
446+
glDrawPixels(250,250,GL_RGBA,GL_UNSIGNED_BYTE,&logo[0]);
447+
drawStrokeText((char *)"MORPHY",-100,125,-200);
448+
instructText((char *)"Press space to continue!",-75,-100,-200);
449+
instructText((char *)"K. Vishnudev",-75,-180,-200);
450+
instructText((char *)"Himanshu Kumar",-75,-200,-200);
451+
}
452+
else
453+
{
454+
std::ostringstream ss;
455+
float tottime = buffer.getDuration().asSeconds();
456+
float cursor = sound.getPlayingOffset().asSeconds();
457+
curtime = sound.getPlayingOffset().asMilliseconds();
458+
//cout<<curtime<<endl;
459+
float timepercent = (cursor/tottime)*760;
460+
ss << (int)cursor;
461+
const std::string tmp = "Time : " + ss.str();
462+
const char* cstr = tmp.c_str();
463+
glClearColor(0,0,0,0);
464+
if(temp==1)
465+
{
466+
glColor3f(128/255.0,222/255.0,234/255.0);
467+
glBegin(GL_POLYGON);
468+
glVertex3f(-380,-290,-300.0);
469+
glVertex3f(-380,-280,-300.0);
470+
glVertex3f(-380+(int)timepercent,-280,-300.0);
471+
glVertex3f(-380+(int)timepercent,-290,-300.0);
472+
glEnd();
473+
474+
glColor3f(1,1,244/255.0);
475+
glBegin(GL_LINE_LOOP);
476+
glVertex3f(-380,-292.0,-300.0);
477+
glVertex3f(-380,-278.0,-300.0);
478+
glVertex3f(380,-278.0,-300.0);
479+
glVertex3f(380,-292.0,-300.0);
480+
glEnd();
481+
482+
483+
instructText((char*)cstr,-250,-175,-200);
484+
nav();
485+
486+
//instructText((char*)cstr,-250,-175,-200);
487+
if(styleselect==0)
488+
{
489+
bars();
490+
}
491+
else if(styleselect==1)
492+
{
493+
circle3d();
494+
}
495+
else if(styleselect==2)
496+
{
497+
dust();
498+
}
499+
else if(styleselect==3)
500+
{
501+
pentagon();
502+
}
503+
else if(styleselect==4)
504+
{
505+
waves();
506+
}
507+
// else if(styleselect==4)
508+
// {
509+
// CubicalMesh();
510+
// }
511+
// else if(styleselect==6)
512+
// {
513+
// DWaves();
514+
// }
515+
// else if(styleselect==6)
516+
// {
517+
// mesh3D();
518+
// }
519+
}
520+
else
521+
{
522+
//instructText((char *)"Paused!",-75,-200,-200);
523+
pausebutton();
524+
}
525+
}
526+
glutSwapBuffers();
527+
//if(sound.getPlayingOffset().asSeconds()==buffer.getDuration().asSeconds())
528+
// exit(0);
529+
}
530+
531+
int main(int argc, char *argv[])
532+
{
533+
//SFML usage error
534+
if (argc < 2)
535+
{
536+
std::cout << "Usage: wave_iteration <FILENAME>" << std::endl;
537+
return 1;
538+
}
539+
540+
fName=argv[1];
507541

508542
glutInit(&argc, argv);
509543
W=glutGet(GLUT_SCREEN_WIDTH);

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