mirror of https://github.com/FWGS/xash3d-fwgs
411 lines
8.5 KiB
C
411 lines
8.5 KiB
C
/*
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s_load.c - sounds managment
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Copyright (C) 2007 Uncle Mike
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This program 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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This program 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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*/
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#include "common.h"
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#include "sound.h"
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// during registration it is possible to have more sounds
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// than could actually be referenced during gameplay,
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// because we don't want to free anything until we are
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// sure we won't need it.
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#define MAX_SFX 8192
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#define MAX_SFX_HASH (MAX_SFX/4)
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static int s_numSfx = 0;
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static sfx_t s_knownSfx[MAX_SFX];
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static sfx_t *s_sfxHashList[MAX_SFX_HASH];
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static string s_sentenceImmediateName; // keep dummy sentence name
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qboolean s_registering = false;
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int s_registration_sequence = 0;
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/*
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=================
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S_SoundList_f
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=================
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*/
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void S_SoundList_f( void )
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{
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sfx_t *sfx;
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wavdata_t *sc;
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int i, totalSfx = 0;
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int totalSize = 0;
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for( i = 0, sfx = s_knownSfx; i < s_numSfx; i++, sfx++ )
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{
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if( !sfx->name[0] )
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continue;
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sc = sfx->cache;
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if( sc )
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{
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totalSize += sc->size;
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if( sc->loopStart >= 0 ) Con_Printf( "L" );
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else Con_Printf( " " );
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if( sfx->name[0] == '*' )
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Con_Printf( " (%2db) %s : %s\n", sc->width * 8, Q_memprint( sc->size ), sfx->name );
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else Con_Printf( " (%2db) %s : " DEFAULT_SOUNDPATH "%s\n", sc->width * 8, Q_memprint( sc->size ), sfx->name );
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totalSfx++;
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}
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}
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Con_Printf( "-------------------------------------------\n" );
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Con_Printf( "%i total sounds\n", totalSfx );
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Con_Printf( "%s total memory\n", Q_memprint( totalSize ));
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Con_Printf( "\n" );
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}
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// return true if char 'c' is one of 1st 2 characters in pch
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qboolean S_TestSoundChar( const char *pch, char c )
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{
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char *pcht = (char *)pch;
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int i;
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if( !pch || !*pch )
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return false;
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// check first 2 characters
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for( i = 0; i < 2; i++ )
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{
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if( *pcht == c )
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return true;
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pcht++;
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}
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return false;
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}
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// return pointer to first valid character in file name
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char *S_SkipSoundChar( const char *pch )
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{
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char *pcht = (char *)pch;
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// check first character
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if( *pcht == '!' )
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pcht++;
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return pcht;
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}
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/*
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=================
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S_CreateDefaultSound
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=================
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*/
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static wavdata_t *S_CreateDefaultSound( void )
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{
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wavdata_t *sc;
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sc = Mem_Calloc( sndpool, sizeof( wavdata_t ));
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sc->width = 2;
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sc->channels = 1;
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sc->loopStart = -1;
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sc->rate = SOUND_DMA_SPEED;
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sc->samples = SOUND_DMA_SPEED;
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sc->size = sc->samples * sc->width * sc->channels;
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sc->buffer = Mem_Calloc( sndpool, sc->size );
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return sc;
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}
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/*
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=================
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S_LoadSound
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=================
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*/
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wavdata_t *S_LoadSound( sfx_t *sfx )
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{
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wavdata_t *sc = NULL;
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if( !sfx ) return NULL;
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// see if still in memory
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if( sfx->cache )
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return sfx->cache;
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if( !COM_CheckString( sfx->name ))
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return NULL;
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// load it from disk
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if( Q_stricmp( sfx->name, "*default" ))
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{
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// load it from disk
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if( sfx->name[0] == '*' )
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sc = FS_LoadSound( sfx->name + 1, NULL, 0 );
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else sc = FS_LoadSound( sfx->name, NULL, 0 );
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}
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if( !sc ) sc = S_CreateDefaultSound();
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if( sc->rate < SOUND_11k ) // some bad sounds
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Sound_Process( &sc, SOUND_11k, sc->width, SOUND_RESAMPLE );
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else if( sc->rate > SOUND_11k && sc->rate < SOUND_22k ) // some bad sounds
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Sound_Process( &sc, SOUND_22k, sc->width, SOUND_RESAMPLE );
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else if( sc->rate > SOUND_22k && sc->rate <= SOUND_32k ) // some bad sounds
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Sound_Process( &sc, SOUND_44k, sc->width, SOUND_RESAMPLE );
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sfx->cache = sc;
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return sfx->cache;
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}
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// =======================================================================
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// Load a sound
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// =======================================================================
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/*
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==================
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S_FindName
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==================
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*/
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sfx_t *S_FindName( const char *pname, int *pfInCache )
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{
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sfx_t *sfx;
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uint i, hash;
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string name;
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if( !COM_CheckString( pname ) || !dma.initialized )
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return NULL;
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if( Q_strlen( pname ) >= sizeof( sfx->name ))
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return NULL;
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Q_strncpy( name, pname, sizeof( name ));
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COM_FixSlashes( name );
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// see if already loaded
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hash = COM_HashKey( name, MAX_SFX_HASH );
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for( sfx = s_sfxHashList[hash]; sfx; sfx = sfx->hashNext )
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{
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if( !Q_strcmp( sfx->name, name ))
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{
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if( pfInCache )
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{
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// indicate whether or not sound is currently in the cache.
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*pfInCache = ( sfx->cache != NULL ) ? true : false;
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}
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// prolonge registration
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sfx->servercount = s_registration_sequence;
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return sfx;
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}
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}
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// find a free sfx slot spot
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for( i = 0, sfx = s_knownSfx; i < s_numSfx; i++, sfx++)
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if( !sfx->name[0] ) break; // free spot
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if( i == s_numSfx )
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{
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if( s_numSfx == MAX_SFX )
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return NULL;
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s_numSfx++;
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}
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sfx = &s_knownSfx[i];
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memset( sfx, 0, sizeof( *sfx ));
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if( pfInCache ) *pfInCache = false;
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Q_strncpy( sfx->name, name, MAX_STRING );
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sfx->servercount = s_registration_sequence;
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sfx->hashValue = COM_HashKey( sfx->name, MAX_SFX_HASH );
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// link it in
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sfx->hashNext = s_sfxHashList[sfx->hashValue];
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s_sfxHashList[sfx->hashValue] = sfx;
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return sfx;
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}
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/*
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==================
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S_FreeSound
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==================
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*/
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void S_FreeSound( sfx_t *sfx )
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{
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sfx_t *hashSfx;
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sfx_t **prev;
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if( !sfx || !sfx->name[0] )
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return;
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// de-link it from the hash tree
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prev = &s_sfxHashList[sfx->hashValue];
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while( 1 )
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{
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hashSfx = *prev;
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if( !hashSfx )
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break;
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if( hashSfx == sfx )
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{
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*prev = hashSfx->hashNext;
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break;
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}
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prev = &hashSfx->hashNext;
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}
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if( sfx->cache )
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FS_FreeSound( sfx->cache );
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memset( sfx, 0, sizeof( *sfx ));
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}
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/*
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=====================
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S_BeginRegistration
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=====================
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*/
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void S_BeginRegistration( void )
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{
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int i;
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s_registration_sequence++;
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snd_ambient = false;
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// check for automatic ambient sounds
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for( i = 0; i < NUM_AMBIENTS; i++ )
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{
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if( !GI->ambientsound[i][0] )
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continue; // empty slot
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ambient_sfx[i] = S_RegisterSound( GI->ambientsound[i] );
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if( ambient_sfx[i] ) snd_ambient = true; // allow auto-ambients
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}
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s_registering = true;
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}
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/*
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=====================
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S_EndRegistration
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=====================
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*/
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void S_EndRegistration( void )
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{
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sfx_t *sfx;
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int i;
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if( !s_registering || !dma.initialized )
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return;
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// free any sounds not from this registration sequence
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for( i = 0, sfx = s_knownSfx; i < s_numSfx; i++, sfx++ )
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{
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if( !sfx->name[0] || !Q_stricmp( sfx->name, "*default" ))
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continue; // don't release default sound
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if( sfx->servercount != s_registration_sequence )
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S_FreeSound( sfx ); // don't need this sound
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}
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// load everything in
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for( i = 0, sfx = s_knownSfx; i < s_numSfx; i++, sfx++ )
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{
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if( !sfx->name[0] )
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continue;
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S_LoadSound( sfx );
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}
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s_registering = false;
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}
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/*
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==================
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S_RegisterSound
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==================
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*/
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sound_t S_RegisterSound( const char *name )
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{
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sfx_t *sfx;
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if( !COM_CheckString( name ) || !dma.initialized )
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return -1;
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if( S_TestSoundChar( name, '!' ))
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{
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Q_strncpy( s_sentenceImmediateName, name, sizeof( s_sentenceImmediateName ));
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return SENTENCE_INDEX;
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}
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// some stupid mappers used leading '/' or '\' in path to models or sounds
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if( name[0] == '/' || name[0] == '\\' ) name++;
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if( name[0] == '/' || name[0] == '\\' ) name++;
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sfx = S_FindName( name, NULL );
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if( !sfx ) return -1;
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sfx->servercount = s_registration_sequence;
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if( !s_registering ) S_LoadSound( sfx );
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return sfx - s_knownSfx;
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}
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sfx_t *S_GetSfxByHandle( sound_t handle )
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{
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if( !dma.initialized )
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return NULL;
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// create new sfx
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if( handle == SENTENCE_INDEX )
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return S_FindName( s_sentenceImmediateName, NULL );
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if( handle < 0 || handle >= s_numSfx )
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return NULL;
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return &s_knownSfx[handle];
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}
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/*
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=================
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S_InitSounds
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=================
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*/
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void S_InitSounds( void )
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{
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// create unused 0-entry
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Q_strncpy( s_knownSfx->name, "*default", MAX_QPATH );
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s_knownSfx->hashValue = COM_HashKey( s_knownSfx->name, MAX_SFX_HASH );
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s_knownSfx->hashNext = s_sfxHashList[s_knownSfx->hashValue];
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s_sfxHashList[s_knownSfx->hashValue] = s_knownSfx;
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s_knownSfx->cache = S_CreateDefaultSound();
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s_numSfx = 1;
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}
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/*
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=================
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S_FreeSounds
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=================
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*/
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void S_FreeSounds( void )
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{
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sfx_t *sfx;
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int i;
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if( !dma.initialized )
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return;
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// stop all sounds
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S_StopAllSounds( true );
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// free all sounds
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for( i = 0, sfx = s_knownSfx; i < s_numSfx; i++, sfx++ )
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S_FreeSound( sfx );
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memset( s_knownSfx, 0, sizeof( s_knownSfx ));
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memset( s_sfxHashList, 0, sizeof( s_sfxHashList ));
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s_numSfx = 0;
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}
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