diff options
| author | Heitor Carvalho <[email protected]> | 2018-10-24 18:10:17 -0300 |
|---|---|---|
| committer | Tom Black <[email protected]> | 2018-10-24 14:10:16 -0700 |
| commit | 830d99fde4555263967dfee94b4095ee300c12e1 (patch) | |
| tree | 8360ba4b8bc60a45fd50c484f4de39dee13246cd /ext | |
| parent | 1b646f82c67e7c38df08113bcc3323c7aaf4639f (diff) | |
| download | ruby2d-830d99fde4555263967dfee94b4095ee300c12e1.tar.gz ruby2d-830d99fde4555263967dfee94b4095ee300c12e1.zip | |
Implements volume control to Music (#123)
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/ruby2d/ruby2d.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/ext/ruby2d/ruby2d.c b/ext/ruby2d/ruby2d.c index 885bf5c..03caf3d 100644 --- a/ext/ruby2d/ruby2d.c +++ b/ext/ruby2d/ruby2d.c @@ -65,6 +65,7 @@ #define r_define_module(name) mrb_define_module(mrb, name) #define r_define_class(module, name) mrb_define_class_under(mrb, module, name, mrb->object_class) #define r_define_method(class, name, function, args) mrb_define_method(mrb, class, name, function, args) + #define r_define_class_method(class, name, function, args) mrb_define_class_method(mrb, class, name, function, args) #define r_args_none (MRB_ARGS_NONE()) #define r_args_req(n) MRB_ARGS_REQ(n) // Helpers @@ -87,6 +88,7 @@ #define r_define_module(name) rb_define_module(name) #define r_define_class(module, name) rb_define_class_under(module, name, rb_cObject) #define r_define_method(class, name, function, args) rb_define_method(class, name, function, args) + #define r_define_class_method(class, name, function, args) rb_define_singleton_method(class, name, function, args) #define r_args_none 0 #define r_args_req(n) n // Helpers @@ -670,6 +672,21 @@ static R_VAL ruby2d_music_ext_stop(R_VAL self) { /* + * Ruby2D::Music#ext_volume + */ +#if MRUBY +static R_VAL ruby2d_music_ext_volume(mrb_state* mrb, R_VAL self) { + mrb_value vol; + mrb_get_args(mrb, "o", &vol); +#else +static R_VAL ruby2d_music_ext_volume(R_VAL self, R_VAL vol) { +#endif + int mix_vol = NUM2INT(vol) == -1 ? -1 : MIX_MAX_VOLUME * NUM2INT(vol) / 100.0; + return INT2NUM(ceil(Mix_VolumeMusic(mix_vol) * 100.0 / MIX_MAX_VOLUME)); +} + + +/* * Ruby2D::Music#ext_fadeout */ #if MRUBY @@ -1133,6 +1150,9 @@ void Init_ruby2d() { // Ruby2D::Music#ext_stop r_define_method(ruby2d_music_class, "ext_stop", ruby2d_music_ext_stop, r_args_none); + // Ruby2D::Music#self.ext_volume + r_define_class_method(ruby2d_music_class, "ext_volume", ruby2d_music_ext_volume, r_args_req(1)); + // Ruby2D::Music#ext_fadeout r_define_method(ruby2d_music_class, "ext_fadeout", ruby2d_music_ext_fadeout, r_args_req(1)); |