93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
//=======================================================================
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// Copyright XashXT Group 2010 ©
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// s_mouth.c - animate mouth
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//=======================================================================
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#include "common.h"
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#include "sound.h"
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#include "client.h"
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#include "const.h"
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#define CAVGSAMPLES 10
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void SND_InitMouth( int entnum, int entchannel )
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{
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if(( entchannel == CHAN_VOICE || entchannel == CHAN_STREAM ) && entnum > 0 )
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{
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cl_entity_t *clientEntity;
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// init mouth movement vars
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clientEntity = CL_GetEntityByIndex( entnum );
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if( clientEntity )
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{
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clientEntity->mouth.mouthopen = 0;
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clientEntity->mouth.sndavg = 0;
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clientEntity->mouth.sndcount = 0;
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}
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}
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}
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void SND_CloseMouth( channel_t *ch )
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{
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if( ch->entchannel == CHAN_VOICE || ch->entchannel == CHAN_STREAM )
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{
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cl_entity_t *clientEntity;
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clientEntity = CL_GetEntityByIndex( ch->entnum );
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if( clientEntity )
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{
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// shut mouth
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clientEntity->mouth.mouthopen = 0;
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}
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}
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}
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void SND_MoveMouth8( channel_t *ch, wavdata_t *pSource, int count )
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{
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cl_entity_t *clientEntity;
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char *pdata = NULL;
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mouth_t *pMouth = NULL;
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int savg, data;
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int scount, pos = 0;
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uint i;
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clientEntity = CL_GetEntityByIndex( ch->entnum );
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if( !clientEntity ) return;
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pMouth = &clientEntity->mouth;
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if( ch->isSentence )
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{
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if( ch->currentWord )
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pos = ch->currentWord->sample;
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}
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else pos = ch->pMixer.sample;
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count = S_GetOutputData( pSource, &pdata, pos, count, ch->use_loop );
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if( pdata == NULL ) return;
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i = 0;
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scount = pMouth->sndcount;
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savg = 0;
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while( i < count && scount < CAVGSAMPLES )
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{
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data = pdata[i];
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savg += abs( data );
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i += 80 + ((byte)data & 0x1F);
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scount++;
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}
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pMouth->sndavg += savg;
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pMouth->sndcount = (byte)scount;
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if( pMouth->sndcount >= CAVGSAMPLES )
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{
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pMouth->mouthopen = pMouth->sndavg / CAVGSAMPLES;
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pMouth->sndavg = 0;
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pMouth->sndcount = 0;
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}
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} |