static void event_handler(const ALLEGRO_EVENT * event)
{
int i;
switch (event->type) {
/* Was the X button on the window pressed? */
case ALLEGRO_EVENT_DISPLAY_CLOSE:
exiting = true;
break;
/* Was a key pressed? */
case ALLEGRO_EVENT_KEY_CHAR:
if (event->keyboard.keycode == ALLEGRO_KEY_LEFT) {
double pos = al_get_audio_stream_position_secs(music_stream);
pos -= 5.0;
if (pos < 0.0)
pos = 0.0;
al_seek_audio_stream_secs(music_stream, pos);
}
else if (event->keyboard.keycode == ALLEGRO_KEY_RIGHT) {
double pos = al_get_audio_stream_position_secs(music_stream);
pos += 5.0;
if (!al_seek_audio_stream_secs(music_stream, pos))
printf("seek error!\n");
}
else if (event->keyboard.keycode == ALLEGRO_KEY_SPACE) {
bool playing;
playing = al_get_mixer_playing(al_get_default_mixer());
playing = !playing;
al_set_mixer_playing(al_get_default_mixer(), playing);
}
else if (event->keyboard.keycode == ALLEGRO_KEY_ESCAPE) {
exiting = true;
}
break;
case ALLEGRO_EVENT_MOUSE_BUTTON_DOWN:
mouse_button[event->mouse.button] = 1;
maybe_fiddle_sliders(event->mouse.x, event->mouse.y);
break;
case ALLEGRO_EVENT_MOUSE_AXES:
maybe_fiddle_sliders(event->mouse.x, event->mouse.y);
break;
case ALLEGRO_EVENT_MOUSE_BUTTON_UP:
mouse_button[event->mouse.button] = 0;
break;
case ALLEGRO_EVENT_MOUSE_LEAVE_DISPLAY:
for (i = 0; i < 16; i++)
mouse_button[i] = 0;
break;
/* Is it time for the next timer tick? */
case ALLEGRO_EVENT_TIMER:
logic();
render();
break;
}
}
static int allua_audio_stream_seek_secs(lua_State * L)
{
ALLUA_audio_stream audio_stream = allua_check_audio_stream(L, 1);
double t = luaL_checknumber(L, 2);
lua_pushboolean(L, al_seek_audio_stream_secs(audio_stream, t));
return 1;
}
bool AllegroMusicSample5::Play()
{
if ( !m_pInstance )
return false;
al_seek_audio_stream_secs( m_pInstance, 0 );
return al_set_audio_stream_playing( m_pInstance, true );
}
static void maybe_fiddle_sliders(int mx, int my)
{
double seek_pos;
double w = al_get_display_width(display) - 20;
if (!(mx >= 10 && mx < 10 + w && my >= 48 && my < 64)) {
return;
}
seek_pos = al_get_audio_stream_length_secs(music_stream) * ((mx - 10) / w);
if (mouse_button[1]) {
al_seek_audio_stream_secs(music_stream, seek_pos);
}
else if (mouse_button[2]) {
loop_end = seek_pos;
al_set_audio_stream_loop_secs(music_stream, loop_start, loop_end);
}
else if (mouse_button[3]) {
loop_start = seek_pos;
al_set_audio_stream_loop_secs(music_stream, loop_start, loop_end);
}
}
bool AudioStream::rewind()
{
al_seek_audio_stream_secs(m_stream, 0);
return al_rewind_audio_stream(m_stream);
}
void AudioStream::resume()
{
al_set_audio_stream_playing(m_stream, true);
assert(al_seek_audio_stream_secs(m_stream, m_lastPause));
}
void
seek_sound(sound_t* sound, int position)
{
al_seek_audio_stream_secs(sound->stream, (double)position / 1000);
}