mirror of
https://github.com/dhewm/dhewm3.git
synced 2024-11-23 21:02:11 +00:00
0d27bfe7b9
Apart from some minor stuff, this changes the signature of some methods of Parser and Token classes and of the (unused) Random2 class. That no problem though, because the calling code uses normal ints anyway.
300 lines
8.9 KiB
C++
300 lines
8.9 KiB
C++
/*
|
|
===========================================================================
|
|
|
|
Doom 3 GPL Source Code
|
|
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
|
|
|
|
This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
|
|
|
|
Doom 3 Source Code 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Doom 3 Source Code 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 Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
|
|
|
|
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
|
|
|
|
===========================================================================
|
|
*/
|
|
|
|
#include "sys/platform.h"
|
|
#include "idlib/math/Math.h"
|
|
|
|
#include "sound/snd_local.h"
|
|
|
|
#define mB_to_gain(millibels, property) \
|
|
_mB_to_gain(millibels,AL_EAXREVERB_MIN_ ## property, AL_EAXREVERB_MAX_ ## property)
|
|
|
|
static inline ALfloat _mB_to_gain(ALfloat millibels, ALfloat min, ALfloat max) {
|
|
return idMath::ClampFloat(min, max, idMath::Pow(10.0f, millibels / 2000.0f));
|
|
}
|
|
|
|
idSoundEffect::idSoundEffect() :
|
|
effect(0) {
|
|
}
|
|
|
|
idSoundEffect::~idSoundEffect() {
|
|
if (soundSystemLocal.alIsEffect(effect))
|
|
soundSystemLocal.alDeleteEffects(1, &effect);
|
|
}
|
|
|
|
bool idSoundEffect::alloc() {
|
|
alGetError();
|
|
|
|
ALenum e;
|
|
|
|
soundSystemLocal.alGenEffects(1, &effect);
|
|
e = alGetError();
|
|
if (e != AL_NO_ERROR) {
|
|
common->Warning("idSoundEffect::alloc: alGenEffects failed: 0x%x", e);
|
|
return false;
|
|
}
|
|
|
|
soundSystemLocal.alEffecti(effect, AL_EFFECT_TYPE, AL_EFFECT_EAXREVERB);
|
|
e = alGetError();
|
|
if (e != AL_NO_ERROR) {
|
|
common->Warning("idSoundEffect::alloc: alEffecti failed: 0x%x", e);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
idEFXFile::idEFXFile
|
|
===============
|
|
*/
|
|
idEFXFile::idEFXFile( void ) {
|
|
}
|
|
|
|
/*
|
|
===============
|
|
idEFXFile::Clear
|
|
===============
|
|
*/
|
|
void idEFXFile::Clear( void ) {
|
|
effects.DeleteContents( true );
|
|
}
|
|
|
|
/*
|
|
===============
|
|
idEFXFile::~idEFXFile
|
|
===============
|
|
*/
|
|
idEFXFile::~idEFXFile( void ) {
|
|
Clear();
|
|
}
|
|
|
|
/*
|
|
===============
|
|
idEFXFile::FindEffect
|
|
===============
|
|
*/
|
|
bool idEFXFile::FindEffect( idStr &name, ALuint *effect ) {
|
|
int i;
|
|
|
|
for ( i = 0; i < effects.Num(); i++ ) {
|
|
if ( effects[i]->name == name ) {
|
|
*effect = effects[i]->effect;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
idEFXFile::ReadEffect
|
|
===============
|
|
*/
|
|
#define efxi(param, value) \
|
|
do { \
|
|
ALint _v = value; \
|
|
EFXprintf("alEffecti(" #param ", %d)\n", _v); \
|
|
soundSystemLocal.alEffecti(effect->effect, param, _v); \
|
|
err = alGetError(); \
|
|
if (err != AL_NO_ERROR) \
|
|
common->Warning("alEffecti(" # param ", %d) " \
|
|
"failed: 0x%x", _v, err); \
|
|
} while (false)
|
|
|
|
#define efxf(param, value) \
|
|
do { \
|
|
ALfloat _v = value; \
|
|
EFXprintf("alEffectf(" #param ", %.3f)\n", _v); \
|
|
soundSystemLocal.alEffectf(effect->effect, param, _v); \
|
|
err = alGetError(); \
|
|
if (err != AL_NO_ERROR) \
|
|
common->Warning("alEffectf(" # param ", %.3f) " \
|
|
"failed: 0x%x", _v, err); \
|
|
} while (false)
|
|
|
|
#define efxfv(param, value0, value1, value2) \
|
|
do { \
|
|
ALfloat _v[3]; \
|
|
_v[0] = value0; \
|
|
_v[1] = value1; \
|
|
_v[2] = value2; \
|
|
EFXprintf("alEffectfv(" #param ", %.3f, %.3f, %.3f)\n", \
|
|
_v[0], _v[1], _v[2]); \
|
|
soundSystemLocal.alEffectfv(effect->effect, param, _v); \
|
|
err = alGetError(); \
|
|
if (err != AL_NO_ERROR) \
|
|
common->Warning("alEffectfv(" # param ", %.3f, %.3f, %.3f) " \
|
|
"failed: 0x%x", _v[0], _v[1], _v[2], err); \
|
|
} while (false)
|
|
|
|
bool idEFXFile::ReadEffect( idLexer &src, idSoundEffect *effect ) {
|
|
idToken name, token;
|
|
|
|
if ( !src.ReadToken( &token ) )
|
|
return false;
|
|
|
|
// reverb effect
|
|
if ( token != "reverb" ) {
|
|
// other effect (not supported at the moment)
|
|
src.Error( "idEFXFile::ReadEffect: Unknown effect definition" );
|
|
|
|
return false;
|
|
}
|
|
|
|
src.ReadTokenOnLine( &token );
|
|
name = token;
|
|
|
|
if ( !src.ReadToken( &token ) )
|
|
return false;
|
|
|
|
if ( token != "{" ) {
|
|
src.Error( "idEFXFile::ReadEffect: { not found, found %s", token.c_str() );
|
|
return false;
|
|
}
|
|
|
|
ALenum err;
|
|
alGetError();
|
|
EFXprintf("Loading EFX effect '%s' (#%u)\n", name.c_str(), effect->effect);
|
|
|
|
do {
|
|
if ( !src.ReadToken( &token ) ) {
|
|
src.Error( "idEFXFile::ReadEffect: EOF without closing brace" );
|
|
return false;
|
|
}
|
|
|
|
if ( token == "}" ) {
|
|
effect->name = name;
|
|
break;
|
|
}
|
|
|
|
if ( token == "environment" ) {
|
|
// <+KittyCat> the "environment" token should be ignored (efx has nothing equatable to it)
|
|
src.ParseInt();
|
|
} else if ( token == "environment size" ) {
|
|
float size = src.ParseFloat();
|
|
efxf(AL_EAXREVERB_DENSITY, (size < 2.0f) ? (size - 1.0f) : 1.0f);
|
|
} else if ( token == "environment diffusion" ) {
|
|
efxf(AL_EAXREVERB_DIFFUSION, src.ParseFloat());
|
|
} else if ( token == "room" ) {
|
|
efxf(AL_EAXREVERB_GAIN, mB_to_gain(src.ParseInt(), GAIN));
|
|
} else if ( token == "room hf" ) {
|
|
efxf(AL_EAXREVERB_GAINHF, mB_to_gain(src.ParseInt(), GAINHF));
|
|
} else if ( token == "room lf" ) {
|
|
efxf(AL_EAXREVERB_GAINLF, mB_to_gain(src.ParseInt(), GAINLF));
|
|
} else if ( token == "decay time" ) {
|
|
efxf(AL_EAXREVERB_DECAY_TIME, src.ParseFloat());
|
|
} else if ( token == "decay hf ratio" ) {
|
|
efxf(AL_EAXREVERB_DECAY_HFRATIO, src.ParseFloat());
|
|
} else if ( token == "decay lf ratio" ) {
|
|
efxf(AL_EAXREVERB_DECAY_LFRATIO, src.ParseFloat());
|
|
} else if ( token == "reflections" ) {
|
|
efxf(AL_EAXREVERB_REFLECTIONS_GAIN, mB_to_gain(src.ParseInt(), REFLECTIONS_GAIN));
|
|
} else if ( token == "reflections delay" ) {
|
|
efxf(AL_EAXREVERB_REFLECTIONS_DELAY, src.ParseFloat());
|
|
} else if ( token == "reflections pan" ) {
|
|
efxfv(AL_EAXREVERB_REFLECTIONS_PAN, src.ParseFloat(), src.ParseFloat(), src.ParseFloat());
|
|
} else if ( token == "reverb" ) {
|
|
efxf(AL_EAXREVERB_LATE_REVERB_GAIN, mB_to_gain(src.ParseInt(), LATE_REVERB_GAIN));
|
|
} else if ( token == "reverb delay" ) {
|
|
efxf(AL_EAXREVERB_LATE_REVERB_DELAY, src.ParseFloat());
|
|
} else if ( token == "reverb pan" ) {
|
|
efxfv(AL_EAXREVERB_LATE_REVERB_PAN, src.ParseFloat(), src.ParseFloat(), src.ParseFloat());
|
|
} else if ( token == "echo time" ) {
|
|
efxf(AL_EAXREVERB_ECHO_TIME, src.ParseFloat());
|
|
} else if ( token == "echo depth" ) {
|
|
efxf(AL_EAXREVERB_ECHO_DEPTH, src.ParseFloat());
|
|
} else if ( token == "modulation time" ) {
|
|
efxf(AL_EAXREVERB_MODULATION_TIME, src.ParseFloat());
|
|
} else if ( token == "modulation depth" ) {
|
|
efxf(AL_EAXREVERB_MODULATION_DEPTH, src.ParseFloat());
|
|
} else if ( token == "air absorption hf" ) {
|
|
efxf(AL_EAXREVERB_AIR_ABSORPTION_GAINHF, mB_to_gain(src.ParseFloat(), AIR_ABSORPTION_GAINHF));
|
|
} else if ( token == "hf reference" ) {
|
|
efxf(AL_EAXREVERB_HFREFERENCE, src.ParseFloat());
|
|
} else if ( token == "lf reference" ) {
|
|
efxf(AL_EAXREVERB_LFREFERENCE, src.ParseFloat());
|
|
} else if ( token == "room rolloff factor" ) {
|
|
efxf(AL_EAXREVERB_ROOM_ROLLOFF_FACTOR, src.ParseFloat());
|
|
} else if ( token == "flags" ) {
|
|
src.ReadTokenOnLine( &token );
|
|
unsigned int flags = token.GetUnsignedIntValue();
|
|
|
|
efxi(AL_EAXREVERB_DECAY_HFLIMIT, (flags & 0x20) ? AL_TRUE : AL_FALSE);
|
|
// the other SCALE flags have no equivalent in efx
|
|
} else {
|
|
src.ReadTokenOnLine( &token );
|
|
src.Error( "idEFXFile::ReadEffect: Invalid parameter in reverb definition" );
|
|
}
|
|
} while ( 1 );
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
idEFXFile::LoadFile
|
|
===============
|
|
*/
|
|
bool idEFXFile::LoadFile( const char *filename, bool OSPath ) {
|
|
idLexer src( LEXFL_NOSTRINGCONCAT );
|
|
idToken token;
|
|
|
|
src.LoadFile( filename, OSPath );
|
|
if ( !src.IsLoaded() ) {
|
|
return false;
|
|
}
|
|
|
|
if ( !src.ExpectTokenString( "Version" ) ) {
|
|
return NULL;
|
|
}
|
|
|
|
if ( src.ParseInt() != 1 ) {
|
|
src.Error( "idEFXFile::LoadFile: Unknown file version" );
|
|
return false;
|
|
}
|
|
|
|
while ( !src.EndOfFile() ) {
|
|
idSoundEffect *effect = new idSoundEffect;
|
|
|
|
if (!effect->alloc()) {
|
|
delete effect;
|
|
Clear();
|
|
return false;
|
|
}
|
|
|
|
if (ReadEffect(src, effect))
|
|
effects.Append(effect);
|
|
else
|
|
delete effect;
|
|
};
|
|
|
|
return true;
|
|
}
|