forked from 0ad/0ad
186 lines
5.0 KiB
C++
186 lines
5.0 KiB
C++
#include "precompiled.h"
|
|
#include "JSI_Sound.h"
|
|
#include "maths/Vector3D.h"
|
|
|
|
#include "lib/res/sound/snd_mgr.h"
|
|
#include "lib/res/h_mgr.h" // h_filename
|
|
|
|
|
|
JSI_Sound::JSI_Sound( const CStr& Filename )
|
|
{
|
|
const char* fn = Filename.c_str();
|
|
m_Handle = snd_open( fn );
|
|
|
|
// special-case to avoid throwing exceptions if quickstart has
|
|
// disabled sound: set a flag queried by Construct; the object will
|
|
// then immediately be freed.
|
|
if(m_Handle == ERR::AGAIN)
|
|
{
|
|
m_SoundDisabled = true;
|
|
return;
|
|
}
|
|
m_SoundDisabled = false;
|
|
|
|
// if open failed, raise an exception - it's the only way to
|
|
// report errors, since we're in the ctor and don't want to move
|
|
// the open call elsewhere (by requiring an explicit open() call).
|
|
THROW_ERR(m_Handle); // caught by JSI_Sound::Construct.
|
|
|
|
snd_set_pos( m_Handle, 0,0,0, true);
|
|
}
|
|
|
|
JSI_Sound::~JSI_Sound()
|
|
{
|
|
this->Free(0, 0, 0);
|
|
}
|
|
|
|
|
|
bool JSI_Sound::SetGain( JSContext* cx, uintN argc, jsval* argv )
|
|
{
|
|
debug_assert( argc >= 1 );
|
|
float gain;
|
|
if( !ToPrimitive<float>( cx, argv[0], gain) )
|
|
return false;
|
|
|
|
snd_set_gain(m_Handle, gain);
|
|
return true;
|
|
}
|
|
|
|
bool JSI_Sound::SetPitch( JSContext* cx, uintN argc, jsval* argv )
|
|
{
|
|
debug_assert( argc >= 1 );
|
|
float pitch;
|
|
if( !ToPrimitive<float>( cx, argv[0], pitch) )
|
|
return false;
|
|
|
|
snd_set_pitch(m_Handle, pitch);
|
|
return true;
|
|
}
|
|
|
|
bool JSI_Sound::SetPosition( JSContext* cx, uintN argc, jsval* argv )
|
|
{
|
|
debug_assert( argc >= 1 );
|
|
CVector3D pos;
|
|
// absolute world coords
|
|
if( ToPrimitive<CVector3D>( cx, argv[0], pos ) )
|
|
snd_set_pos(m_Handle, pos[0], pos[1], pos[2]);
|
|
// relative, 0 offset - right on top of the listener
|
|
// (we don't need displacement from the listener, e.g. always behind)
|
|
else
|
|
snd_set_pos(m_Handle, 0,0,0, true);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool JSI_Sound::Fade( JSContext* cx, uintN argc, jsval* argv )
|
|
{
|
|
debug_assert( argc >= 3 );
|
|
float initial_gain, final_gain;
|
|
float length;
|
|
if( !ToPrimitive<float>( cx, argv[0], initial_gain) )
|
|
return false;
|
|
if( !ToPrimitive<float>( cx, argv[1], final_gain) )
|
|
return false;
|
|
if( !ToPrimitive<float>( cx, argv[2], length) )
|
|
return false;
|
|
snd_fade(m_Handle, initial_gain, final_gain, length, FT_S_CURVE);
|
|
|
|
// HACK: snd_fade causes <m_Handle> to be automatically freed when a
|
|
// fade to 0 has completed. however, we're still holding on to a
|
|
// reference, which will cause a double-free warning when Free() is
|
|
// called from the dtor. solution is to neuter our Handle by
|
|
// setting it to 0 (ok since it'll be freed). this does mean that
|
|
// no further operations can be carried out during that final fade.
|
|
m_Handle = 0;
|
|
|
|
return true;
|
|
}
|
|
|
|
// start playing the sound (one-shot).
|
|
// it will automatically be freed when done.
|
|
bool JSI_Sound::Play( JSContext* UNUSED(cx), uintN UNUSED(argc), jsval* UNUSED(argv) )
|
|
{
|
|
snd_play(m_Handle);
|
|
return true;
|
|
}
|
|
|
|
// request the sound be played until free() is called. returns immediately.
|
|
bool JSI_Sound::Loop( JSContext* UNUSED(cx), uintN UNUSED(argc), jsval* UNUSED(argv) )
|
|
{
|
|
snd_set_loop(m_Handle, true);
|
|
snd_play(m_Handle);
|
|
return true;
|
|
}
|
|
|
|
// stop sound if currently playing and free resources.
|
|
// doesn't need to be called unless played via loop() -
|
|
// sounds are freed automatically when done playing.
|
|
bool JSI_Sound::Free( JSContext* UNUSED(cx), uintN UNUSED(argc), jsval* UNUSED(argv) )
|
|
{
|
|
if(m_Handle)
|
|
snd_free(m_Handle); // resets it to 0
|
|
return true;
|
|
}
|
|
|
|
|
|
// Script-bound functions
|
|
|
|
|
|
void JSI_Sound::ScriptingInit()
|
|
{
|
|
AddMethod<jsval, &JSI_Sound::ToString>( "toString", 0 );
|
|
AddMethod<bool, &JSI_Sound::Play>( "play", 0 );
|
|
AddMethod<bool, &JSI_Sound::Loop>( "loop", 0 );
|
|
AddMethod<bool, &JSI_Sound::Free>( "free", 0 );
|
|
AddMethod<bool, &JSI_Sound::SetGain>( "setGain", 0 );
|
|
AddMethod<bool, &JSI_Sound::SetPitch>( "setPitch", 0 );
|
|
AddMethod<bool, &JSI_Sound::SetPosition>( "setPosition", 0 );
|
|
AddMethod<bool, &JSI_Sound::Fade>( "fade", 0 );
|
|
|
|
CJSObject<JSI_Sound>::ScriptingInit( "Sound", &JSI_Sound::Construct, 1 );
|
|
}
|
|
|
|
jsval JSI_Sound::ToString( JSContext* cx, uintN UNUSED(argc), jsval* UNUSED(argv) )
|
|
{
|
|
const char* Filename = h_filename(m_Handle);
|
|
wchar_t buffer[256];
|
|
swprintf( buffer, 256, L"[object Sound: %hs]", Filename );
|
|
buffer[255] = 0;
|
|
utf16string str16(buffer, buffer+wcslen(buffer));
|
|
return( STRING_TO_JSVAL( JS_NewUCStringCopyZ( cx, str16.c_str() ) ) );
|
|
}
|
|
|
|
JSBool JSI_Sound::Construct( JSContext* cx, JSObject* UNUSED(obj), uint argc, jsval* argv, jsval* rval )
|
|
{
|
|
debug_assert( argc >= 1 );
|
|
CStrW filename;
|
|
if( !ToPrimitive<CStrW>( cx, argv[0], filename ) )
|
|
return( JS_FALSE );
|
|
|
|
try
|
|
{
|
|
JSI_Sound* newObject = new JSI_Sound( filename );
|
|
|
|
// somewhat of a hack to avoid throwing exceptions if
|
|
// sound was disabled due to quickstart. see JSI_Sound().
|
|
if( newObject->m_SoundDisabled )
|
|
{
|
|
delete newObject;
|
|
*rval = JSVAL_NULL;
|
|
return( JS_TRUE );
|
|
}
|
|
|
|
newObject->m_EngineOwned = false;
|
|
*rval = OBJECT_TO_JSVAL( newObject->GetScript() );
|
|
}
|
|
catch(int)
|
|
{
|
|
// failed, but this can happen easily enough that we don't want to
|
|
// return JS_FALSE (since that stops the script).
|
|
*rval = JSVAL_NULL;
|
|
}
|
|
|
|
return( JS_TRUE );
|
|
}
|