mirror of
https://github.com/blendogames/quadrilateralcowboy.git
synced 2024-11-10 06:41:36 +00:00
1235 lines
32 KiB
C++
1235 lines
32 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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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.
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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.
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===========================================================================
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*/
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#include "../idlib/precompiled.h"
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#pragma hdrstop
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#include "snd_local.h"
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/*
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===================
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idSoundFade::Clear
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===================
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*/
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void idSoundFade::Clear() {
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fadeStart44kHz = 0;
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fadeEnd44kHz = 0;
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fadeStartVolume = 0;
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fadeEndVolume = 0;
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}
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/*
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===================
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idSoundFade::FadeDbAt44kHz
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===================
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*/
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float idSoundFade::FadeDbAt44kHz( int current44kHz ) {
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float fadeDb;
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if ( current44kHz >= fadeEnd44kHz ) {
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fadeDb = fadeEndVolume;
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} else if ( current44kHz > fadeStart44kHz ) {
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float fraction = ( fadeEnd44kHz - fadeStart44kHz );
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float over = ( current44kHz - fadeStart44kHz );
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fadeDb = fadeStartVolume + ( fadeEndVolume - fadeStartVolume ) * over / fraction;
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} else {
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fadeDb = fadeStartVolume;
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}
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return fadeDb;
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}
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//========================================================================
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/*
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=======================
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GeneratePermutedList
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Fills in elements[0] .. elements[numElements-1] with a permutation of
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0 .. numElements-1 based on the permute parameter
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numElements == 3
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maxPermute = 6
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permute 0 = 012
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permute 1 = 021
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permute 2 = 102
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permute 3 = 120
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permute 4 = 201
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permute 5 = 210
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=======================
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*/
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void PermuteList_r( int *list, int listLength, int permute, int maxPermute ) {
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if ( listLength < 2 ) {
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return;
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}
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permute %= maxPermute;
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int swap = permute * listLength / maxPermute;
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int old = list[swap];
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list[swap] = list[0];
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list[0] = old;
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maxPermute /= listLength;
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PermuteList_r( list + 1, listLength - 1, permute, maxPermute );
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}
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int Factorial( int val ) {
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int fact = val;
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while ( val > 1 ) {
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val--;
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fact *= val;
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}
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return fact;
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}
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void GeneratePermutedList( int *list, int listLength, int permute ) {
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for ( int i = 0 ; i < listLength ; i++ ) {
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list[i] = i;
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}
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// we can't calculate > 12 factorial, so we can't easily build a permuted list
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if ( listLength > 12 ) {
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return;
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}
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// calculate listLength factorial
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int maxPermute = Factorial( listLength );
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// recursively permute
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PermuteList_r( list, listLength, permute, maxPermute );
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}
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void TestPermutations( void ) {
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int list[SOUND_MAX_LIST_WAVS];
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for ( int len = 1 ; len < 5 ; len++ ) {
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common->Printf( "list length: %i\n", len );
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int max = Factorial( len );
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for ( int j = 0 ; j < max * 2 ; j++ ) {
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GeneratePermutedList( list, len, j );
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common->Printf( "%4i : ", j );
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for ( int k = 0 ; k < len ; k++ ) {
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common->Printf( "%i", list[k] );
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}
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common->Printf( "\n" );
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}
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}
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}
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//=====================================================================================
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/*
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===================
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idSoundChannel::idSoundChannel
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===================
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*/
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idSoundChannel::idSoundChannel( void ) {
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decoder = NULL;
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Clear();
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}
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/*
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===================
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idSoundChannel::~idSoundChannel
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===================
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*/
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idSoundChannel::~idSoundChannel( void ) {
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Clear();
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}
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/*
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===================
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idSoundChannel::Clear
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===================
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*/
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void idSoundChannel::Clear( void ) {
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int j;
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Stop();
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soundShader = NULL;
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lastVolume = 0.0f;
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triggerChannel = SCHANNEL_ANY;
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channelFade.Clear();
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diversity = 0.0f;
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leadinSample = NULL;
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trigger44kHzTime = 0;
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for( j = 0; j < 6; j++ ) {
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lastV[j] = 0.0f;
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}
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memset( &parms, 0, sizeof(parms) );
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triggered = false;
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// flibit: 64 bit fix, changed NULL to 0
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openalSource = 0;
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// flibit end
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openalStreamingOffset = 0;
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openalStreamingBuffer[0] = openalStreamingBuffer[1] = openalStreamingBuffer[2] = 0;
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lastopenalStreamingBuffer[0] = lastopenalStreamingBuffer[1] = lastopenalStreamingBuffer[2] = 0;
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}
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/*
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===================
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idSoundChannel::Start
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===================
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*/
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void idSoundChannel::Start( void ) {
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triggerState = true;
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if ( decoder == NULL ) {
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decoder = idSampleDecoder::Alloc();
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}
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}
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/*
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===================
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idSoundChannel::Stop
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===================
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*/
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void idSoundChannel::Stop( void ) {
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triggerState = false;
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if ( decoder != NULL ) {
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idSampleDecoder::Free( decoder );
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decoder = NULL;
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}
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}
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/*
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===================
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idSoundChannel::ALStop
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===================
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*/
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void idSoundChannel::ALStop( void ) {
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if ( idSoundSystemLocal::useOpenAL ) {
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if ( alIsSource( openalSource ) ) {
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alSourceStop( openalSource );
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alSourcei( openalSource, AL_BUFFER, 0 );
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soundSystemLocal.FreeOpenALSource( openalSource );
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}
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if ( openalStreamingBuffer[0] && openalStreamingBuffer[1] && openalStreamingBuffer[2] ) {
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alGetError();
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alDeleteBuffers( 3, &openalStreamingBuffer[0] );
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if ( alGetError() == AL_NO_ERROR ) {
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openalStreamingBuffer[0] = openalStreamingBuffer[1] = openalStreamingBuffer[2] = 0;
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}
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}
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if ( lastopenalStreamingBuffer[0] && lastopenalStreamingBuffer[1] && lastopenalStreamingBuffer[2] ) {
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alGetError();
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alDeleteBuffers( 3, &lastopenalStreamingBuffer[0] );
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if ( alGetError() == AL_NO_ERROR ) {
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lastopenalStreamingBuffer[0] = lastopenalStreamingBuffer[1] = lastopenalStreamingBuffer[2] = 0;
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}
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}
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}
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}
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/*
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===================
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idSoundChannel::GatherChannelSamples
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Will always return 44kHz samples for the given range, even if it deeply looped or
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out of the range of the unlooped samples. Handles looping between multiple different
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samples and leadins
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===================
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*/
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void idSoundChannel::GatherChannelSamples( int sampleOffset44k, int sampleCount44k, float *dest ) const {
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float *dest_p = dest;
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int len;
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//Sys_DebugPrintf( "msec:%i sample:%i : %i : %i\n", Sys_Milliseconds(), soundSystemLocal.GetCurrent44kHzTime(), sampleOffset44k, sampleCount44k ); //!@#
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// negative offset times will just zero fill
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if ( sampleOffset44k < 0 ) {
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len = -sampleOffset44k;
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if ( len > sampleCount44k ) {
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len = sampleCount44k;
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}
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memset( dest_p, 0, len * sizeof( dest_p[0] ) );
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dest_p += len;
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sampleCount44k -= len;
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sampleOffset44k += len;
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}
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// grab part of the leadin sample
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idSoundSample *leadin = leadinSample;
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if ( !leadin || sampleOffset44k < 0 || sampleCount44k <= 0 ) {
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memset( dest_p, 0, sampleCount44k * sizeof( dest_p[0] ) );
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return;
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}
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if ( sampleOffset44k < leadin->LengthIn44kHzSamples() ) {
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len = leadin->LengthIn44kHzSamples() - sampleOffset44k;
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if ( len > sampleCount44k ) {
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len = sampleCount44k;
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}
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// decode the sample
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decoder->Decode( leadin, sampleOffset44k, len, dest_p );
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dest_p += len;
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sampleCount44k -= len;
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sampleOffset44k += len;
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}
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// if not looping, zero fill any remaining spots
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if ( !soundShader || !( parms.soundShaderFlags & SSF_LOOPING ) ) {
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memset( dest_p, 0, sampleCount44k * sizeof( dest_p[0] ) );
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return;
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}
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// fill the remainder with looped samples
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idSoundSample *loop = soundShader->entries[0];
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if ( !loop ) {
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memset( dest_p, 0, sampleCount44k * sizeof( dest_p[0] ) );
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return;
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}
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sampleOffset44k -= leadin->LengthIn44kHzSamples();
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while( sampleCount44k > 0 ) {
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int totalLen = loop->LengthIn44kHzSamples();
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sampleOffset44k %= totalLen;
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len = totalLen - sampleOffset44k;
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if ( len > sampleCount44k ) {
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len = sampleCount44k;
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}
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// decode the sample
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decoder->Decode( loop, sampleOffset44k, len, dest_p );
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dest_p += len;
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sampleCount44k -= len;
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sampleOffset44k += len;
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}
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}
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//=====================================================================================
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/*
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===============
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idSoundEmitterLocal::idSoundEmitterLocal
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===============
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*/
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idSoundEmitterLocal::idSoundEmitterLocal( void ) {
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soundWorld = NULL;
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Clear();
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}
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/*
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===============
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idSoundEmitterLocal::~idSoundEmitterLocal
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===============
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*/
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idSoundEmitterLocal::~idSoundEmitterLocal( void ) {
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Clear();
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}
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/*
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===============
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idSoundEmitterLocal::Clear
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===============
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*/
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void idSoundEmitterLocal::Clear( void ) {
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int i;
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for( i = 0; i < SOUND_MAX_CHANNELS; i++ ) {
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channels[i].ALStop();
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channels[i].Clear();
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}
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removeStatus = REMOVE_STATUS_SAMPLEFINISHED;
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distance = 0.0f;
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lastValidPortalArea = -1;
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playing = false;
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hasShakes = false;
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ampTime = 0; // last time someone queried
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amplitude = 0;
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maxDistance = 10.0f; // meters
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spatializedOrigin.Zero();
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memset( &parms, 0, sizeof( parms ) );
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}
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/*
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==================
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idSoundEmitterLocal::OverrideParms
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==================
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*/
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void idSoundEmitterLocal::OverrideParms( const soundShaderParms_t *base,
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const soundShaderParms_t *over, soundShaderParms_t *out ) {
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if ( !over ) {
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*out = *base;
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return;
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}
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if ( over->minDistance ) {
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out->minDistance = over->minDistance;
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} else {
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out->minDistance = base->minDistance;
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}
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if ( over->maxDistance ) {
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out->maxDistance = over->maxDistance;
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} else {
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out->maxDistance = base->maxDistance;
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}
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if ( over->shakes ) {
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out->shakes = over->shakes;
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} else {
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out->shakes = base->shakes;
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}
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if ( over->volume ) {
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out->volume = over->volume;
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} else {
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out->volume = base->volume;
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}
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if ( over->soundClass ) {
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out->soundClass = over->soundClass;
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} else {
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out->soundClass = base->soundClass;
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}
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out->soundShaderFlags = base->soundShaderFlags | over->soundShaderFlags;
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}
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/*
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==================
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idSoundEmitterLocal::CheckForCompletion
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Checks to see if all the channels have completed, clearing the playing flag if necessary.
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Sets the playing and shakes bools.
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==================
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*/
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void idSoundEmitterLocal::CheckForCompletion( int current44kHzTime ) {
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bool hasActive;
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int i;
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hasActive = false;
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hasShakes = false;
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if ( playing ) {
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for ( i = 0; i < SOUND_MAX_CHANNELS; i++ ) {
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idSoundChannel *chan = &channels[i];
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if ( !chan->triggerState ) {
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continue;
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}
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const idSoundShader *shader = chan->soundShader;
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if ( !shader ) {
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continue;
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}
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// see if this channel has completed
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if ( !( chan->parms.soundShaderFlags & SSF_LOOPING ) ) {
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ALint state = AL_PLAYING;
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if ( idSoundSystemLocal::useOpenAL && alIsSource( chan->openalSource ) ) {
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alGetSourcei( chan->openalSource, AL_SOURCE_STATE, &state );
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}
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idSlowChannel slow = GetSlowChannel( chan );
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if ( soundWorld->slowmoActive && slow.IsActive() ) {
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if ( slow.GetCurrentPosition().time >= chan->leadinSample->LengthIn44kHzSamples() / 2 ) {
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chan->Stop();
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// if this was an onDemand sound, purge the sample now
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if ( chan->leadinSample->onDemand ) {
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chan->leadinSample->PurgeSoundSample();
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}
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continue;
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}
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} else if ( ( chan->trigger44kHzTime + chan->leadinSample->LengthIn44kHzSamples() < current44kHzTime ) || ( state == AL_STOPPED ) ) {
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chan->Stop();
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// free hardware resources
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chan->ALStop();
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// if this was an onDemand sound, purge the sample now
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if ( chan->leadinSample->onDemand ) {
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chan->leadinSample->PurgeSoundSample();
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}
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continue;
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}
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}
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// free decoder memory if no sound was decoded for a while
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if ( chan->decoder != NULL && chan->decoder->GetLastDecodeTime() < current44kHzTime - SOUND_DECODER_FREE_DELAY ) {
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chan->decoder->ClearDecoder();
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}
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hasActive = true;
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if ( chan->parms.shakes > 0.0f ) {
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hasShakes = true;
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}
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}
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}
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// mark the entire sound emitter as non-playing if there aren't any active channels
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if ( !hasActive ) {
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playing = false;
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if ( removeStatus == REMOVE_STATUS_WAITSAMPLEFINISHED ) {
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// this can now be reused by the next request for a new soundEmitter
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removeStatus = REMOVE_STATUS_SAMPLEFINISHED;
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}
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}
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}
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/*
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===================
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idSoundEmitterLocal::Spatialize
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Called once each sound frame by the main thread from idSoundWorldLocal::PlaceOrigin
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===================
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*/
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void idSoundEmitterLocal::Spatialize( idVec3 listenerPos, int listenerArea, idRenderWorld *rw ) {
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int i;
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bool hasActive = false;
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//
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// work out the maximum distance of all the playing channels
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//
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maxDistance = 0;
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for ( i = 0; i < SOUND_MAX_CHANNELS; i++ ) {
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idSoundChannel *chan = &channels[i];
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if ( !chan->triggerState ) {
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continue;
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}
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if ( chan->parms.maxDistance > maxDistance ) {
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maxDistance = chan->parms.maxDistance;
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}
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}
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//
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// work out where the sound comes from
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//
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idVec3 realOrigin = origin * DOOM_TO_METERS;
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idVec3 len = listenerPos - realOrigin;
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realDistance = len.LengthFast();
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if ( realDistance >= maxDistance ) {
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// no way to possibly hear it
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distance = realDistance;
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return;
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}
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//
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// work out virtual origin and distance, which may be from a portal instead of the actual origin
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//
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distance = maxDistance * METERS_TO_DOOM;
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if ( listenerArea == -1 ) { // listener is outside the world
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return;
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}
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if ( rw ) {
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// we have a valid renderWorld
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int soundInArea = rw->PointInArea( origin );
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if ( soundInArea == -1 ) {
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if ( lastValidPortalArea == -1 ) { // sound is outside the world
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distance = realDistance;
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spatializedOrigin = origin; // sound is in our area
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return;
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}
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soundInArea = lastValidPortalArea;
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}
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lastValidPortalArea = soundInArea;
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if ( soundInArea == listenerArea ) {
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distance = realDistance;
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spatializedOrigin = origin; // sound is in our area
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return;
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}
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|
|
|
soundWorld->ResolveOrigin( 0, NULL, soundInArea, 0.0f, origin, this );
|
|
distance /= METERS_TO_DOOM;
|
|
} else {
|
|
// no portals available
|
|
distance = realDistance;
|
|
spatializedOrigin = origin; // sound is in our area
|
|
}
|
|
}
|
|
|
|
/*
|
|
===========================================================================================
|
|
|
|
PUBLIC FUNCTIONS
|
|
|
|
===========================================================================================
|
|
*/
|
|
|
|
/*
|
|
=====================
|
|
idSoundEmitterLocal::UpdateEmitter
|
|
=====================
|
|
*/
|
|
void idSoundEmitterLocal::UpdateEmitter( const idVec3 &origin, int listenerId, const soundShaderParms_t *parms ) {
|
|
if ( !parms ) {
|
|
common->Error( "idSoundEmitterLocal::UpdateEmitter: NULL parms" );
|
|
}
|
|
if ( soundWorld && soundWorld->writeDemo ) {
|
|
soundWorld->writeDemo->WriteInt( DS_SOUND );
|
|
soundWorld->writeDemo->WriteInt( SCMD_UPDATE );
|
|
soundWorld->writeDemo->WriteInt( index );
|
|
soundWorld->writeDemo->WriteVec3( origin );
|
|
soundWorld->writeDemo->WriteInt( listenerId );
|
|
soundWorld->writeDemo->WriteFloat( parms->minDistance );
|
|
soundWorld->writeDemo->WriteFloat( parms->maxDistance );
|
|
soundWorld->writeDemo->WriteFloat( parms->volume );
|
|
soundWorld->writeDemo->WriteFloat( parms->shakes );
|
|
soundWorld->writeDemo->WriteInt( parms->soundShaderFlags );
|
|
soundWorld->writeDemo->WriteInt( parms->soundClass );
|
|
}
|
|
|
|
this->origin = origin;
|
|
this->listenerId = listenerId;
|
|
this->parms = *parms;
|
|
|
|
// FIXME: change values on all channels?
|
|
}
|
|
|
|
/*
|
|
=====================
|
|
idSoundEmitterLocal::Free
|
|
|
|
They are never truly freed, just marked so they can be reused by the soundWorld
|
|
=====================
|
|
*/
|
|
void idSoundEmitterLocal::Free( bool immediate ) {
|
|
if ( removeStatus != REMOVE_STATUS_ALIVE ) {
|
|
return;
|
|
}
|
|
|
|
if ( idSoundSystemLocal::s_showStartSound.GetInteger() ) {
|
|
common->Printf( "FreeSound (%i,%i)\n", index, (int)immediate );
|
|
}
|
|
if ( soundWorld && soundWorld->writeDemo ) {
|
|
soundWorld->writeDemo->WriteInt( DS_SOUND );
|
|
soundWorld->writeDemo->WriteInt( SCMD_FREE );
|
|
soundWorld->writeDemo->WriteInt( index );
|
|
soundWorld->writeDemo->WriteInt( immediate );
|
|
}
|
|
|
|
if ( !immediate ) {
|
|
removeStatus = REMOVE_STATUS_WAITSAMPLEFINISHED;
|
|
} else {
|
|
Clear();
|
|
}
|
|
}
|
|
|
|
/*
|
|
=====================
|
|
idSoundEmitterLocal::StartSound
|
|
|
|
returns the length of the started sound in msec
|
|
=====================
|
|
*/
|
|
int idSoundEmitterLocal::StartSound( const idSoundShader *shader, const s_channelType channel, float diversity, int soundShaderFlags, bool allowSlow ) {
|
|
int i;
|
|
|
|
if ( !shader ) {
|
|
return 0;
|
|
}
|
|
|
|
if ( idSoundSystemLocal::s_showStartSound.GetInteger() ) {
|
|
common->Printf( "StartSound %ims (%i,%i,%s) = ", soundWorld->gameMsec, index, (int)channel, shader->GetName() );
|
|
}
|
|
|
|
if ( soundWorld && soundWorld->writeDemo ) {
|
|
soundWorld->writeDemo->WriteInt( DS_SOUND );
|
|
soundWorld->writeDemo->WriteInt( SCMD_START );
|
|
soundWorld->writeDemo->WriteInt( index );
|
|
|
|
soundWorld->writeDemo->WriteHashString( shader->GetName() );
|
|
|
|
soundWorld->writeDemo->WriteInt( channel );
|
|
soundWorld->writeDemo->WriteFloat( diversity );
|
|
soundWorld->writeDemo->WriteInt( soundShaderFlags );
|
|
}
|
|
|
|
// build the channel parameters by taking the shader parms and optionally overriding
|
|
soundShaderParms_t chanParms;
|
|
|
|
chanParms = shader->parms;
|
|
OverrideParms( &chanParms, &this->parms, &chanParms );
|
|
chanParms.soundShaderFlags |= soundShaderFlags;
|
|
|
|
if ( chanParms.shakes > 0.0f ) {
|
|
shader->CheckShakesAndOgg();
|
|
}
|
|
|
|
// this is the sample time it will be first mixed
|
|
int start44kHz;
|
|
|
|
if ( soundWorld->fpa[0] ) {
|
|
// if we are recording an AVI demo, don't use hardware time
|
|
start44kHz = soundWorld->lastAVI44kHz + MIXBUFFER_SAMPLES;
|
|
} else {
|
|
start44kHz = soundSystemLocal.GetCurrent44kHzTime() + MIXBUFFER_SAMPLES;
|
|
}
|
|
|
|
//
|
|
// pick which sound to play from the shader
|
|
//
|
|
if ( !shader->numEntries ) {
|
|
if ( idSoundSystemLocal::s_showStartSound.GetInteger() ) {
|
|
common->Printf( "no samples in sound shader\n" );
|
|
}
|
|
return 0; // no sounds
|
|
}
|
|
int choice;
|
|
|
|
// pick a sound from the list based on the passed diversity
|
|
choice = (int)(diversity * shader->numEntries);
|
|
if ( choice < 0 || choice >= shader->numEntries ) {
|
|
choice = 0;
|
|
}
|
|
|
|
// bump the choice if the exact sound was just played and we are NO_DUPS
|
|
if ( chanParms.soundShaderFlags & SSF_NO_DUPS ) {
|
|
idSoundSample *sample;
|
|
if ( shader->leadins[ choice ] ) {
|
|
sample = shader->leadins[ choice ];
|
|
} else {
|
|
sample = shader->entries[ choice ];
|
|
}
|
|
for( i = 0; i < SOUND_MAX_CHANNELS; i++ ) {
|
|
idSoundChannel *chan = &channels[i];
|
|
if ( chan->leadinSample == sample ) {
|
|
choice = ( choice + 1 ) % shader->numEntries;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// PLAY_ONCE sounds will never be restarted while they are running
|
|
if ( chanParms.soundShaderFlags & SSF_PLAY_ONCE ) {
|
|
for( i = 0; i < SOUND_MAX_CHANNELS; i++ ) {
|
|
idSoundChannel *chan = &channels[i];
|
|
if ( chan->triggerState && chan->soundShader == shader ) {
|
|
if ( idSoundSystemLocal::s_showStartSound.GetInteger() ) {
|
|
common->Printf( "PLAY_ONCE not restarting\n" );
|
|
}
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
// never play the same sound twice with the same starting time, even
|
|
// if they are on different channels
|
|
for( i = 0; i < SOUND_MAX_CHANNELS; i++ ) {
|
|
idSoundChannel *chan = &channels[i];
|
|
if ( chan->triggerState && chan->soundShader == shader && chan->trigger44kHzTime == start44kHz ) {
|
|
if ( idSoundSystemLocal::s_showStartSound.GetInteger() ) {
|
|
common->Printf( "already started this frame\n" );
|
|
}
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
Sys_EnterCriticalSection();
|
|
|
|
// kill any sound that is currently playing on this channel
|
|
if ( channel != SCHANNEL_ANY ) {
|
|
for( i = 0; i < SOUND_MAX_CHANNELS; i++ ) {
|
|
idSoundChannel *chan = &channels[i];
|
|
if ( chan->triggerState && chan->soundShader && chan->triggerChannel == channel ) {
|
|
if ( idSoundSystemLocal::s_showStartSound.GetInteger() ) {
|
|
common->Printf( "(override %s)", chan->soundShader->base->GetName() );
|
|
}
|
|
|
|
chan->Stop();
|
|
|
|
// if this was an onDemand sound, purge the sample now
|
|
if ( chan->leadinSample->onDemand ) {
|
|
chan->ALStop();
|
|
chan->leadinSample->PurgeSoundSample();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// find a free channel to play the sound on
|
|
idSoundChannel *chan;
|
|
for( i = 0; i < SOUND_MAX_CHANNELS; i++ ) {
|
|
chan = &channels[i];
|
|
if ( !chan->triggerState ) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( i == SOUND_MAX_CHANNELS ) {
|
|
// we couldn't find a channel for it
|
|
Sys_LeaveCriticalSection();
|
|
if ( idSoundSystemLocal::s_showStartSound.GetInteger() ) {
|
|
common->Printf( "no channels available\n" );
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
chan = &channels[i];
|
|
|
|
if ( shader->leadins[ choice ] ) {
|
|
chan->leadinSample = shader->leadins[ choice ];
|
|
} else {
|
|
chan->leadinSample = shader->entries[ choice ];
|
|
}
|
|
|
|
// if the sample is onDemand (voice mails, etc), load it now
|
|
if ( chan->leadinSample->purged ) {
|
|
int start = Sys_Milliseconds();
|
|
chan->leadinSample->Load();
|
|
int end = Sys_Milliseconds();
|
|
session->TimeHitch( end - start );
|
|
// recalculate start44kHz, because loading may have taken a fair amount of time
|
|
if ( !soundWorld->fpa[0] ) {
|
|
start44kHz = soundSystemLocal.GetCurrent44kHzTime() + MIXBUFFER_SAMPLES;
|
|
}
|
|
}
|
|
|
|
if ( idSoundSystemLocal::s_showStartSound.GetInteger() ) {
|
|
common->Printf( "'%s'\n", chan->leadinSample->name.c_str() );
|
|
}
|
|
|
|
if ( idSoundSystemLocal::s_skipHelltimeFX.GetBool() ) {
|
|
chan->disallowSlow = true;
|
|
} else {
|
|
chan->disallowSlow = !allowSlow;
|
|
}
|
|
|
|
ResetSlowChannel( chan );
|
|
|
|
// the sound will start mixing in the next async mix block
|
|
chan->triggered = true;
|
|
chan->openalStreamingOffset = 0;
|
|
chan->trigger44kHzTime = start44kHz;
|
|
chan->parms = chanParms;
|
|
chan->triggerGame44kHzTime = soundWorld->game44kHz;
|
|
chan->soundShader = shader;
|
|
chan->triggerChannel = channel;
|
|
chan->Start();
|
|
|
|
// we need to start updating the def and mixing it in
|
|
playing = true;
|
|
|
|
// spatialize it immediately, so it will start the next mix block
|
|
// even if that happens before the next PlaceOrigin()
|
|
Spatialize( soundWorld->listenerPos, soundWorld->listenerArea, soundWorld->rw );
|
|
|
|
// return length of sound in milliseconds
|
|
int length = chan->leadinSample->LengthIn44kHzSamples();
|
|
|
|
if ( chan->leadinSample->objectInfo.nChannels == 2 ) {
|
|
length /= 2; // stereo samples
|
|
}
|
|
|
|
// adjust the start time based on diversity for looping sounds, so they don't all start
|
|
// at the same point
|
|
if ( chan->parms.soundShaderFlags & SSF_LOOPING && !chan->leadinSample->LengthIn44kHzSamples() ) {
|
|
chan->trigger44kHzTime -= diversity * length;
|
|
chan->trigger44kHzTime &= ~7; // so we don't have to worry about the 22kHz and 11kHz expansions
|
|
// starting in fractional samples
|
|
chan->triggerGame44kHzTime -= diversity * length;
|
|
chan->triggerGame44kHzTime &= ~7;
|
|
}
|
|
|
|
length *= 1000 / (float)PRIMARYFREQ;
|
|
|
|
Sys_LeaveCriticalSection();
|
|
|
|
return length;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSoundEmitterLocal::ModifySound
|
|
===================
|
|
*/
|
|
void idSoundEmitterLocal::ModifySound( const s_channelType channel, const soundShaderParms_t *parms ) {
|
|
if ( !parms ) {
|
|
common->Error( "idSoundEmitterLocal::ModifySound: NULL parms" );
|
|
}
|
|
if ( idSoundSystemLocal::s_showStartSound.GetInteger() ) {
|
|
common->Printf( "ModifySound(%i,%i)\n", index, channel );
|
|
}
|
|
if ( soundWorld && soundWorld->writeDemo ) {
|
|
soundWorld->writeDemo->WriteInt( DS_SOUND );
|
|
soundWorld->writeDemo->WriteInt( SCMD_MODIFY );
|
|
soundWorld->writeDemo->WriteInt( index );
|
|
soundWorld->writeDemo->WriteInt( channel );
|
|
soundWorld->writeDemo->WriteFloat( parms->minDistance );
|
|
soundWorld->writeDemo->WriteFloat( parms->maxDistance );
|
|
soundWorld->writeDemo->WriteFloat( parms->volume );
|
|
soundWorld->writeDemo->WriteFloat( parms->shakes );
|
|
soundWorld->writeDemo->WriteInt( parms->soundShaderFlags );
|
|
soundWorld->writeDemo->WriteInt( parms->soundClass );
|
|
}
|
|
|
|
for ( int i = 0; i < SOUND_MAX_CHANNELS; i++ ) {
|
|
idSoundChannel *chan = &channels[i];
|
|
|
|
if ( !chan->triggerState ) {
|
|
continue;
|
|
}
|
|
if ( channel != SCHANNEL_ANY && chan->triggerChannel != channel ) {
|
|
continue;
|
|
}
|
|
|
|
OverrideParms( &chan->parms, parms, &chan->parms );
|
|
|
|
if ( chan->parms.shakes > 0.0f && chan->soundShader != NULL ) {
|
|
chan->soundShader->CheckShakesAndOgg();
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSoundEmitterLocal::StopSound
|
|
|
|
can pass SCHANNEL_ANY
|
|
===================
|
|
*/
|
|
void idSoundEmitterLocal::StopSound( const s_channelType channel ) {
|
|
int i;
|
|
|
|
if ( idSoundSystemLocal::s_showStartSound.GetInteger() ) {
|
|
common->Printf( "StopSound(%i,%i)\n", index, channel );
|
|
}
|
|
|
|
if ( soundWorld && soundWorld->writeDemo ) {
|
|
soundWorld->writeDemo->WriteInt( DS_SOUND );
|
|
soundWorld->writeDemo->WriteInt( SCMD_STOP );
|
|
soundWorld->writeDemo->WriteInt( index );
|
|
soundWorld->writeDemo->WriteInt( channel );
|
|
}
|
|
|
|
Sys_EnterCriticalSection();
|
|
|
|
for( i = 0; i < SOUND_MAX_CHANNELS; i++ ) {
|
|
idSoundChannel *chan = &channels[i];
|
|
|
|
if ( !chan->triggerState ) {
|
|
continue;
|
|
}
|
|
if ( channel != SCHANNEL_ANY && chan->triggerChannel != channel ) {
|
|
continue;
|
|
}
|
|
|
|
// stop it
|
|
chan->Stop();
|
|
|
|
// free hardware resources
|
|
chan->ALStop();
|
|
|
|
// if this was an onDemand sound, purge the sample now
|
|
if ( chan->leadinSample->onDemand ) {
|
|
chan->leadinSample->PurgeSoundSample();
|
|
}
|
|
|
|
chan->leadinSample = NULL;
|
|
chan->soundShader = NULL;
|
|
}
|
|
|
|
Sys_LeaveCriticalSection();
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSoundEmitterLocal::FadeSound
|
|
|
|
to is in Db (sigh), over is in seconds
|
|
===================
|
|
*/
|
|
void idSoundEmitterLocal::FadeSound( const s_channelType channel, float to, float over ) {
|
|
if ( idSoundSystemLocal::s_showStartSound.GetInteger() ) {
|
|
common->Printf( "FadeSound(%i,%i,%f,%f )\n", index, channel, to, over );
|
|
}
|
|
if ( !soundWorld ) {
|
|
return;
|
|
}
|
|
if ( soundWorld->writeDemo ) {
|
|
soundWorld->writeDemo->WriteInt( DS_SOUND );
|
|
soundWorld->writeDemo->WriteInt( SCMD_FADE );
|
|
soundWorld->writeDemo->WriteInt( index );
|
|
soundWorld->writeDemo->WriteInt( channel );
|
|
soundWorld->writeDemo->WriteFloat( to );
|
|
soundWorld->writeDemo->WriteFloat( over );
|
|
}
|
|
|
|
int start44kHz;
|
|
|
|
if ( soundWorld->fpa[0] ) {
|
|
// if we are recording an AVI demo, don't use hardware time
|
|
start44kHz = soundWorld->lastAVI44kHz + MIXBUFFER_SAMPLES;
|
|
} else {
|
|
start44kHz = soundSystemLocal.GetCurrent44kHzTime() + MIXBUFFER_SAMPLES;
|
|
}
|
|
|
|
int length44kHz = soundSystemLocal.MillisecondsToSamples( over * 1000 );
|
|
|
|
for( int i = 0; i < SOUND_MAX_CHANNELS ; i++ ) {
|
|
idSoundChannel *chan = &channels[i];
|
|
|
|
if ( !chan->triggerState ) {
|
|
continue;
|
|
}
|
|
if ( channel != SCHANNEL_ANY && chan->triggerChannel != channel ) {
|
|
continue;
|
|
}
|
|
|
|
// if it is already fading to this volume at this rate, don't change it
|
|
if ( chan->channelFade.fadeEndVolume == to &&
|
|
chan->channelFade.fadeEnd44kHz - chan->channelFade.fadeStart44kHz == length44kHz ) {
|
|
continue;
|
|
}
|
|
|
|
// fade it
|
|
chan->channelFade.fadeStartVolume = chan->channelFade.FadeDbAt44kHz( start44kHz );
|
|
chan->channelFade.fadeStart44kHz = start44kHz;
|
|
chan->channelFade.fadeEnd44kHz = start44kHz + length44kHz;
|
|
chan->channelFade.fadeEndVolume = to;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSoundEmitterLocal::CurrentlyPlaying
|
|
===================
|
|
*/
|
|
bool idSoundEmitterLocal::CurrentlyPlaying( void ) const {
|
|
return playing;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSoundEmitterLocal::Index
|
|
===================
|
|
*/
|
|
int idSoundEmitterLocal::Index( void ) const {
|
|
return index;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSoundEmitterLocal::CurrentAmplitude
|
|
|
|
this is called from the main thread by the material shader system
|
|
to allow lights and surface flares to vary with the sound amplitude
|
|
===================
|
|
*/
|
|
float idSoundEmitterLocal::CurrentAmplitude( void ) {
|
|
if ( idSoundSystemLocal::s_constantAmplitude.GetFloat() >= 0.0f ) {
|
|
return idSoundSystemLocal::s_constantAmplitude.GetFloat();
|
|
}
|
|
|
|
if ( removeStatus > REMOVE_STATUS_WAITSAMPLEFINISHED ) {
|
|
return 0.0;
|
|
}
|
|
|
|
int localTime = soundSystemLocal.GetCurrent44kHzTime();
|
|
|
|
// see if we can use our cached value
|
|
if ( ampTime == localTime ) {
|
|
return amplitude;
|
|
}
|
|
|
|
// calculate a new value
|
|
ampTime = localTime;
|
|
amplitude = soundWorld->FindAmplitude( this, localTime, NULL, SCHANNEL_ANY, false );
|
|
|
|
return amplitude;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSoundEmitterLocal::GetSlowChannel
|
|
===================
|
|
*/
|
|
idSlowChannel idSoundEmitterLocal::GetSlowChannel( const idSoundChannel *chan ) {
|
|
return slowChannels[chan - channels];
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSoundEmitterLocal::SetSlowChannel
|
|
===================
|
|
*/
|
|
void idSoundEmitterLocal::SetSlowChannel( const idSoundChannel *chan, idSlowChannel slow ) {
|
|
slowChannels[chan - channels] = slow;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSoundEmitterLocal::ResetSlowChannel
|
|
===================
|
|
*/
|
|
void idSoundEmitterLocal::ResetSlowChannel( const idSoundChannel *chan ) {
|
|
int index = chan - channels;
|
|
slowChannels[index].Reset();
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSlowChannel::Reset
|
|
===================
|
|
*/
|
|
void idSlowChannel::Reset() {
|
|
memset( this, 0, sizeof( *this ) );
|
|
|
|
this->chan = chan;
|
|
|
|
curPosition.Set( 0 );
|
|
newPosition.Set( 0 );
|
|
|
|
curSampleOffset = -10000;
|
|
newSampleOffset = -10000;
|
|
|
|
triggerOffset = 0;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSlowChannel::AttachSoundChannel
|
|
===================
|
|
*/
|
|
void idSlowChannel::AttachSoundChannel( const idSoundChannel *chan ) {
|
|
this->chan = chan;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSlowChannel::GetSlowmoSpeed
|
|
===================
|
|
*/
|
|
float idSlowChannel::GetSlowmoSpeed() {
|
|
idSoundWorldLocal *sw = static_cast<idSoundWorldLocal*>( soundSystemLocal.GetPlayingSoundWorld() );
|
|
|
|
if ( sw ) {
|
|
return sw->slowmoSpeed;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSlowChannel::GenerateSlowChannel
|
|
===================
|
|
*/
|
|
void idSlowChannel::GenerateSlowChannel( FracTime& playPos, int sampleCount44k, float* finalBuffer ) {
|
|
idSoundWorldLocal *sw = static_cast<idSoundWorldLocal*>( soundSystemLocal.GetPlayingSoundWorld() );
|
|
float in[MIXBUFFER_SAMPLES+3], out[MIXBUFFER_SAMPLES+3], *src, *spline, slowmoSpeed;
|
|
int i, neededSamples, orgTime, zeroedPos, count = 0;
|
|
|
|
src = in + 2;
|
|
spline = out + 2;
|
|
|
|
if ( sw ) {
|
|
slowmoSpeed = sw->slowmoSpeed;
|
|
}
|
|
else {
|
|
slowmoSpeed = 1;
|
|
}
|
|
|
|
neededSamples = sampleCount44k * slowmoSpeed + 4;
|
|
orgTime = playPos.time;
|
|
|
|
// get the channel's samples
|
|
chan->GatherChannelSamples( playPos.time * 2, neededSamples, src );
|
|
for ( i = 0; i < neededSamples >> 1; i++ ) {
|
|
spline[i] = src[i*2];
|
|
}
|
|
|
|
// interpolate channel
|
|
zeroedPos = playPos.time;
|
|
playPos.time = 0;
|
|
|
|
for ( i = 0; i < sampleCount44k >> 1; i++, count += 2 ) {
|
|
float val;
|
|
val = spline[playPos.time];
|
|
src[i] = val;
|
|
playPos.Increment( slowmoSpeed );
|
|
}
|
|
|
|
// lowpass filter
|
|
float *in_p = in + 2, *out_p = out + 2;
|
|
int numSamples = sampleCount44k >> 1;
|
|
|
|
lowpass.GetContinuitySamples( in_p[-1], in_p[-2], out_p[-1], out_p[-2] );
|
|
lowpass.SetParms( slowmoSpeed * 15000, 1.2f );
|
|
|
|
for ( int i = 0, count = 0; i < numSamples; i++, count += 2 ) {
|
|
lowpass.ProcessSample( in_p + i, out_p + i );
|
|
finalBuffer[count] = finalBuffer[count+1] = out[i];
|
|
}
|
|
|
|
lowpass.SetContinuitySamples( in_p[numSamples-2], in_p[numSamples-3], out_p[numSamples-2], out_p[numSamples-3] );
|
|
|
|
playPos.time += zeroedPos;
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idSlowChannel::GatherChannelSamples
|
|
===================
|
|
*/
|
|
void idSlowChannel::GatherChannelSamples( int sampleOffset44k, int sampleCount44k, float *dest ) {
|
|
int state = 0;
|
|
|
|
// setup chan
|
|
active = true;
|
|
newSampleOffset = sampleOffset44k >> 1;
|
|
|
|
// set state
|
|
if ( newSampleOffset < curSampleOffset ) {
|
|
state = PLAYBACK_RESET;
|
|
} else if ( newSampleOffset > curSampleOffset ) {
|
|
state = PLAYBACK_ADVANCING;
|
|
}
|
|
|
|
if ( state == PLAYBACK_RESET ) {
|
|
curPosition.Set( newSampleOffset );
|
|
}
|
|
|
|
// set current vars
|
|
curSampleOffset = newSampleOffset;
|
|
newPosition = curPosition;
|
|
|
|
// do the slow processing
|
|
GenerateSlowChannel( newPosition, sampleCount44k, dest );
|
|
|
|
// finish off
|
|
if ( state == PLAYBACK_ADVANCING )
|
|
curPosition = newPosition;
|
|
}
|