void syncchannel(soundchannel &chan)
{
if(!chan.dirty) return;
if(!Mix_FadingChannel(chan.id)) Mix_Volume(chan.id, chan.volume);
Mix_SetPanning(chan.id, 255-chan.pan, chan.pan);
chan.dirty = false;
}
/*
* call-seq:
* volume = new_vol
*
* Set the new #volume level of the sound.
* 0.0 is totally silent, 1.0 is full volume.
*
* Volume cannot be set while the sound is fading in or out.
* Be sure to check #fading? or rescue from SDLError when
* using this method.
*
* May raise:: SDLError if the sound is fading in or out.
*
*/
static VALUE rg_sound_setvolume( VALUE self, VALUE volume )
{
RG_Sound *sound;
Data_Get_Struct(self, RG_Sound, sound);
/* Change channel volume if Sound is currently assigned to a channel */
if( _rg_sound_channel_check(sound) )
{
/* But only if it's not fading right now. */
if( Mix_FadingChannel(sound->channel) == MIX_NO_FADING )
{
sound->volume = NUM2DBL(volume);
Mix_Volume( sound->channel, (int)(MIX_MAX_VOLUME * sound->volume) );
}
else
{
rb_raise(eSDLError, "cannot set Sound volume while fading");
}
}
else
{
/* Save it for later. */
sound->volume = NUM2DBL(volume);
}
return volume;
}
static mrb_value
mrb_sdl2_mixer_fading_channel(mrb_state *mrb, mrb_value self)
{
mrb_int which;
mrb_get_args(mrb, "i", &which);
return mrb_fixnum_value(Mix_FadingChannel(which));
}
d_define_method(track, stop_fade_out)(struct s_object *self, int delay) {
d_using(track);
if ((track_attributes->channel != d_track_auto_channel) && ((Mix_Playing(track_attributes->channel)) || (Mix_Paused(track_attributes->channel))))
if (Mix_FadingChannel(track_attributes->channel) != MIX_FADING_OUT)
if (!Mix_FadeOutChannel(track_attributes->channel, delay))
Mix_HaltChannel(track_attributes->channel);
return self;
}
Mix_Fading cAudio :: Is_Sound_Fading( int sound_channel ) const
{
if( !m_sound_enabled || !m_initialised || sound_channel < 0 )
{
return MIX_NO_FADING;
}
return Mix_FadingChannel( sound_channel );
}
/*
* call-seq:
* fading?( direction=:either ) -> true or false
*
* True if the Sound is currently fading in or out.
* See also #play and #fade_out.
*
* direction:: Check if it is fading :in, :out, or :either.
* (Symbol, required)
*
*/
static VALUE rg_sound_fadingp( int argc, VALUE *argv, VALUE self )
{
RG_Sound *sound;
Data_Get_Struct(self, RG_Sound, sound);
VALUE vdirection;
rb_scan_args(argc, argv, "01", &vdirection);
int direction;
int channel = sound->channel;
/* If it's not actually on a channel, return false right away. */
if( !(_rg_sound_channel_check(sound)) )
{
return Qfalse;
}
if( RTEST(vdirection) )
{
if( make_symbol("in") == vdirection )
{
return ( (Mix_FadingChannel(channel) == MIX_FADING_IN) ? Qtrue : Qfalse );
}
else if( make_symbol("out") == vdirection )
{
return ( (Mix_FadingChannel(channel) == MIX_FADING_OUT) ? Qtrue : Qfalse );
}
else if( make_symbol("either") == vdirection )
{
return ( (Mix_FadingChannel(channel) != MIX_NO_FADING) ? Qtrue : Qfalse );
}
}
/* default */
return ( (Mix_FadingChannel(channel) != MIX_NO_FADING) ? Qtrue : Qfalse );
}
static int lua_Mix_FadingChannel(State & state){
Stack * stack = state.stack;
if (stack->is<LUA_TNUMBER>(1)){
int channel = stack->to<int>(1);
Mix_Fading fading = Mix_FadingChannel(channel);
switch (fading){
case MIX_NO_FADING:
stack->push<const std::string &>("none");
break;
case MIX_FADING_OUT:
stack->push<const std::string &>("out");
break;
case MIX_FADING_IN:
stack->push<const std::string &>("in");
break;
}
return 1;
}
return 0;
}
int cAudio :: isSoundFading( int SoundChannel )
{
if( !bSounds || !bInitialised )
{
return 0;
}
Mix_Fading status = Mix_FadingChannel( SoundChannel );
if( status == MIX_NO_FADING )
{
return 0;
}
else if( status == MIX_FADING_IN )
{
return 1;
}
else if( status == MIX_FADING_OUT )
{
return 2;
}
return 0;
}
