#include "Graphics.h"

extern int tick;
extern int lasttick;

void intro()
{
  int currentstart = 0;
  int introframe = 0;
  sound_voices(4);

  sound_set_voice(1,"WaveSynth-Beep");
  sound_set_voice(2,"WaveSynth-Beep");
  sound_set_voice(3,"WaveSynth-Beep");
  sound_set_voice(4,"WaveSynth-Beep");
  sound_composition_init();
  
  // DUn, dun, daan duhhn
  sound_composition_element_add(currentstart,1,sound_note("A4#"),200);
  sound_composition_element_add(currentstart,2,sound_note("A5#"),200);
  currentstart += 200;
  sound_composition_element_add(currentstart,3,sound_note("F3"),200);
  sound_composition_element_add(currentstart,4,sound_note("F4"),200);
  currentstart += 200;
  sound_composition_element_add(currentstart,1,sound_note("G3#"),200);
  sound_composition_element_add(currentstart,2,sound_note("G4#"),200);
  currentstart += 200;
  sound_composition_element_add(currentstart,3,sound_note("C3"),200);
  sound_composition_element_add(currentstart,4,sound_note("C4"),200);
  currentstart += 200;

  // DUn, dun, daan duhhn
  sound_composition_element_add(currentstart,1,sound_note("A3#"),200);
  sound_composition_element_add(currentstart,2,sound_note("A4#"),200);
  currentstart += 200;
  sound_composition_element_add(currentstart,3,sound_note("F2"),200);
  currentstart += 200;
  sound_composition_element_add(currentstart,4,sound_note("G2#"),200);
  currentstart += 200;
  sound_composition_element_add(currentstart,1,sound_note("C2"),200);
  currentstart += 200;

  // Duh
  sound_composition_element_add(currentstart,2,sound_note("A3#"),400);
  sound_composition_element_add(currentstart,3,sound_note("A2#"),400);
  currentstart += 250;

  // Dun De Da
  sound_composition_element_add(currentstart,1,sound_note("F1"),20);
  currentstart += 50;
  sound_composition_element_add(currentstart,4,sound_note("A2#"),5);
  currentstart += 20;
  sound_composition_element_add(currentstart,2,sound_note("D2#"),200);
  currentstart += 180;


  sound_composition_element_add(currentstart,3,sound_note("D2"),50);
  currentstart += 50;
  sound_composition_element_add(currentstart,1,sound_note("A2#"),30);
  currentstart += 30;
  sound_composition_element_add(currentstart,2,sound_note("G1"),50);
  currentstart += 50;
  sound_composition_element_add(currentstart,5,sound_note("C2"),50);
  currentstart += 50;
  sound_composition_element_add(currentstart,3,sound_note("A2#"),100);
  sound_composition_element_add(currentstart,1,sound_note("F2"),100);
  currentstart += 100;

  tick = clock();

  sound_composition_start(clock());

  draw_sprite("spacebar",(DISPLAY_X/2)-106,50);

  while(sound_composition_incomplete())
  {
    sound_composition_tick(clock());

    if(introframe == 0)
    {
      if(clock() > (tick + 200))
      {
        introframe++;
        draw_sprite("tng_st",320,600);
      }
    }
    if(introframe == 1)
    {
      if(clock() > (tick + 600))
      {
        introframe++;
        draw_sprite("tng_te",425,500);
      }
    }
    
    if(input_readkey(98))
      sound_composition_stop();
  }
}