mkxp/binding-mri/audio-binding.cpp
Jonas Kulla 4ff563725b Make 'rb_get_args()' va_arg passing safer by introducing a termination marker
What can I say. I made a pact with the devil, and paid dearly.
Almost a whole day's worth of debugging, actually. Not again.

If this turns out to be slow we can always optimize the critical
parts (with no variable param count) later, or completely remove it.
2013-09-27 04:49:48 +02:00

88 lines
2.2 KiB
C++

/*
** audio-binding.cpp
**
** This file is part of mkxp.
**
** Copyright (C) 2013 Jonas Kulla <Nyocurio@gmail.com>
**
** mkxp is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 2 of the License, or
** (at your option) any later version.
**
** mkxp is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with mkxp. If not, see <http://www.gnu.org/licenses/>.
*/
#include "audio.h"
#include "globalstate.h"
#include "binding-util.h"
#include "exception.h"
#define DEF_PLAY_STOP(entity) \
RB_METHOD(audio_##entity##Play) \
{ \
RB_UNUSED_PARAM; \
const char *filename; \
int volume = 100; \
int pitch = 100; \
rb_get_args(argc, argv, "z|ii", &filename, &volume, &pitch, RB_ARG_END); \
GUARD_EXC( gState->audio().entity##Play(filename, volume, pitch); ) \
return Qnil; \
} \
RB_METHOD(audio_##entity##Stop) \
{ \
RB_UNUSED_PARAM; \
gState->audio().entity##Stop(); \
return Qnil; \
}
#define DEF_FADE(entity) \
RB_METHOD(audio_##entity##Fade) \
{ \
RB_UNUSED_PARAM; \
int time; \
rb_get_args(argc, argv, "i", &time, RB_ARG_END); \
gState->audio().bgmFade(time); \
return Qnil; \
}
#define DEF_PLAY_STOP_FADE(entity) \
DEF_PLAY_STOP(entity) \
DEF_FADE(entity)
DEF_PLAY_STOP_FADE( bgm )
DEF_PLAY_STOP_FADE( bgs )
DEF_PLAY_STOP_FADE( me )
DEF_PLAY_STOP( se )
#define BIND_PLAY_STOP(entity) \
_rb_define_module_function(module, #entity "_play", audio_##entity##Play); \
_rb_define_module_function(module, #entity "_stop", audio_##entity##Stop);
#define BIND_FADE(entity) \
_rb_define_module_function(module, #entity "_fade", audio_##entity##Fade);
#define BIND_PLAY_STOP_FADE(entity) \
BIND_PLAY_STOP(entity) \
BIND_FADE(entity)
void
audioBindingInit()
{
VALUE module = rb_define_module("Audio");
BIND_PLAY_STOP_FADE( bgm )
BIND_PLAY_STOP_FADE( bgs )
BIND_PLAY_STOP_FADE( me )
BIND_PLAY_STOP( se )
}