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https://github.com/FWGS/xash3d-fwgs
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engine: sound: add DSP coeffecients table from Half-Life Alpha, minor fixes to DSP code
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@ -114,6 +114,45 @@ const sx_preset_t rgsxpre[MAXPRESETS] =
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{ 0.0, 0.0, 0.001, 0.999, 0.0, 0.2, 0.8, 2.0, 0.05 } // 28
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};
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// 0x0045dca8 enginegl.exe
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// SHA256: 42383d32cd712e59ee2c1bd78b7ba48814e680e7026c4223e730111f34a60d66
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const sx_preset_t rgsxpre_hlalpha052[MAXPRESETS] =
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{
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// -------reverb-------- -------delay--------
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// lp mod size refl rvblp delay feedback dlylp left
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{ 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 2.0, 0.0 }, // 0 off
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{ 0.0, 0.0, 0.0, 0.0, 1.0, 0.08, 0.8, 2.0, 0.0 }, // 1 generic
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{ 0.0, 0.0, 0.0, 0.0, 1.0, 0.02, 0.75, 0.0, 0.001 }, // 2 metalic
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{ 0.0, 0.0, 0.0, 0.0, 1.0, 0.03, 0.78, 0.0, 0.002 }, // 3
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{ 0.0, 0.0, 0.0, 0.0, 1.0, 0.06, 0.77, 0.0, 0.003 }, // 4
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{ 0.0, 0.0, 0.05, 0.85, 1.0, 0.008, 0.96, 2.0, 0.01 }, // 5 tunnel
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{ 0.0, 0.0, 0.05, 0.88, 1.0, 0.01, 0.98, 2.0, 0.02 }, // 6
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{ 0.0, 0.0, 0.05, 0.92, 1.0, 0.015, 0.995, 2.0, 0.04 }, // 7
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{ 0.0, 0.0, 0.05, 0.84, 1.0, 0.0, 0.0, 2.0, 0.003 }, // 8 chamber
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{ 0.0, 0.0, 0.05, 0.9, 1.0, 0.0, 0.0, 2.0, 0.002 }, // 9
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{ 0.0, 0.0, 0.05, 0.95, 1.0, 0.0, 0.0, 2.0, 0.001 }, // 10
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{ 0.0, 0.0, 0.05, 0.7, 0.0, 0.0, 0.0, 2.0, 0.003 }, // 11 brite
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{ 0.0, 0.0, 0.055, 0.78, 0.0, 0.0, 0.0, 2.0, 0.002 }, // 12
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{ 0.0, 0.0, 0.05, 0.86, 0.0, 0.0, 0.0, 2.0, 0.001 }, // 13
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{ 1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 2.0, 0.01 }, // 14 water
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{ 1.0, 1.0, 0.0, 0.0, 1.0, 0.06, 0.85, 2.0, 0.02 }, // 15
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{ 1.0, 1.0, 0.0, 0.0, 1.0, 0.2, 0.6, 2.0, 0.05 }, // 16
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{ 0.0, 0.0, 0.05, 0.8, 1.0, 0.15, 0.48, 2.0, 0.008 }, // 17 concrete
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{ 0.0, 0.0, 0.06, 0.9, 1.0, 0.22, 0.52, 2.0, 0.005 }, // 18
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{ 0.0, 0.0, 0.07, 0.94, 1.0, 0.3, 0.6, 2.0, 0.001 }, // 19
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{ 0.0, 0.0, 0.0, 0.0, 1.0, 0.3, 0.42, 2.0, 0.0 }, // 20 outside
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{ 0.0, 0.0, 0.0, 0.0, 1.0, 0.35, 0.48, 2.0, 0.0 }, // 21
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{ 0.0, 0.0, 0.0, 0.0, 1.0, 0.38, 0.6, 2.0, 0.0 }, // 22
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{ 0.0, 0.0, 0.05, 0.9, 1.0, 0.2, 0.28, 0.0, 0.0 }, // 23 cavern
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{ 0.0, 0.0, 0.07, 0.9, 1.0, 0.3, 0.4, 0.0, 0.0 }, // 24
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{ 0.0, 0.0, 0.09, 0.9, 1.0, 0.35, 0.5, 0.0, 0.0 }, // 25
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{ 0.0, 1.0, 0.01, 0.9, 0.0, 0.0, 0.0, 2.0, 0.05 }, // 26 weirdo
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{ 0.0, 0.0, 0.0, 0.0, 1.0, 0.009, 0.999, 2.0, 0.04 }, // 27
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{ 0.0, 0.0, 0.001, 0.999, 0.0, 0.2, 0.8, 2.0, 0.05 }, // 28
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};
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const sx_preset_t *ptable = rgsxpre;
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// cvars
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convar_t *dsp_off; // disable dsp
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convar_t *roomwater_type; // water room_type
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@ -138,6 +177,8 @@ convar_t *sxdly_feedback; // cycles
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convar_t *sxdly_delay; // current delay in seconds
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convar_t *dsp_room; // for compability
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convar_t *dsp_coeff_table; // use release or 0.52 style
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int idsp_dma_speed;
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int idsp_room;
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int room_typeprev;
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@ -194,6 +235,8 @@ void SX_Init( void )
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sxmod2cur = sxmod2 = 450 * ( idsp_dma_speed / SOUND_11k );
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dsp_off = Cvar_Get( "dsp_off", "0", FCVAR_ARCHIVE, "disable DSP processing" );
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dsp_coeff_table = Cvar_Get( "dsp_coeff_table", "0", FCVAR_ARCHIVE, "select DSP coefficient table: 0 for release or 1 for alpha 0.52" );
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roomwater_type = Cvar_Get( "waterroom_type", "14", 0, "water room type" );
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room_type = Cvar_Get( "room_type", "0", 0, "current room type preset" );
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@ -352,8 +395,6 @@ void DLY_CheckNewStereoDelayVal( void )
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if( dly->delaysamples == 0 )
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DLY_Free( STEREODLY );
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}
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ClearBits( sxste_delay->flags, FCVAR_CHANGED );
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}
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/*
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@ -463,7 +504,6 @@ void DLY_CheckNewDelayVal( void )
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}
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}
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ClearBits( sxdly_delay->flags, FCVAR_CHANGED );
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dly->lp = sxdly_lp->value;
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dly->delayfeedback = 255 * sxdly_feedback->value;
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}
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@ -497,9 +537,9 @@ void DLY_DoDelay( int count )
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if( dly->lp ) // lowpass
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{
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val = ( dly->lp0 + dly->lp1 + val ) / 3;
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dly->lp0 = dly->lp1;
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dly->lp1 = val;
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val = ( dly->lp0 + dly->lp1 + (val << 1) ) >> 2;
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}
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dly->lpdelayline[dly->idelayinput] = val;
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@ -512,7 +552,7 @@ void DLY_DoDelay( int count )
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else
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{
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dly->lpdelayline[dly->idelayinput] = 0;
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dly->lp0 = dly->lp1 = 0;
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dly->lp0 = dly->lp1 = dly->lp2 = 0;
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}
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DLY_MovePointer( dly );
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@ -547,7 +587,7 @@ void RVB_SetUpDly( int pos, float delay, int kmod )
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rgsxdly[pos].idelayoutputxf = rgsxdly[pos].idelayinput - samples;
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if( rgsxdly[pos].idelayoutputxf < 0 )
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rgsxdly[pos].idelayoutputxf += rgsxdly[pos].cdelaysamplesmax;
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rgsxdly[pos].xfade = 32;
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rgsxdly[pos].xfade = REVERB_XFADE;
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}
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if( !rgsxdly[pos].delaysamples )
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@ -582,7 +622,6 @@ void RVB_CheckNewReverbVal( void )
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}
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}
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ClearBits( sxrvb_size->flags, FCVAR_CHANGED );
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dly1->lp = dly2->lp = sxrvb_lp->value;
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dly1->delayfeedback = dly2->delayfeedback = (int)(255 * sxrvb_feedback->value);
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}
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@ -609,14 +648,14 @@ int RVB_DoReverbForOneDly( dly_t *dly, const int vlr, const portable_samplepair_
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if( dly->xfade || delay || samplepair->left || samplepair->right )
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{
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// modulate delay rate
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if( !dly->xfade && !dly->modcur && dly->mod )
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if( !dly->mod )
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{
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dly->idelayoutputxf = dly->idelayoutput + ((COM_RandomLong( 0, 255 ) * delay) >> 9 );
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//dly->xfade = 32;
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}
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dly->idelayoutputxf %= dly->cdelaysamplesmax;
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dly->idelayoutputxf %= dly->cdelaysamplesmax;
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dly->xfade = REVERB_XFADE;
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}
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if( dly->xfade )
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{
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@ -685,7 +724,9 @@ void RVB_DoReverb( int count )
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voutm = RVB_DoReverbForOneDly( dly1, vlr, paint );
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voutm += RVB_DoReverbForOneDly( dly2, vlr, paint );
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voutm = (11 * voutm) >> 6;
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if( dsp_coeff_table->value == 1.0f )
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voutm /= 6; // alpha
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else voutm = (11 * voutm) >> 6;
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paint->left = CLIP( paint->left + voutm );
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paint->right = CLIP( paint->right + voutm );
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@ -718,17 +759,18 @@ void RVB_DoAMod( int count )
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res.left >>= 2;
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res.right >>= 2;
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rgsxlp[4] = paint->left;
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rgsxlp[9] = paint->right;
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rgsxlp[0] = rgsxlp[1];
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rgsxlp[1] = rgsxlp[2];
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rgsxlp[2] = rgsxlp[3];
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rgsxlp[3] = rgsxlp[4];
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rgsxlp[4] = paint->left;
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rgsxlp[4] = rgsxlp[5];
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rgsxlp[5] = rgsxlp[6];
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rgsxlp[6] = rgsxlp[7];
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rgsxlp[7] = rgsxlp[8];
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rgsxlp[8] = rgsxlp[9];
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rgsxlp[9] = paint->right;
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}
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if( sxmod_mod->value )
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@ -814,6 +856,27 @@ void CheckNewDspPresets( void )
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if( dsp_off->value != 0.0f )
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return;
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if( FBitSet( dsp_coeff_table->flags, FCVAR_CHANGED ))
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{
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switch( (int)dsp_coeff_table->value )
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{
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case 0: // release
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ptable = rgsxpre;
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break;
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case 1: // alpha
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ptable = rgsxpre_hlalpha052;
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break;
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default:
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ptable = rgsxpre;
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break;
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}
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SX_ReloadRoomFX();
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room_typeprev = -1;
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ClearBits( dsp_coeff_table->flags, FCVAR_CHANGED );
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}
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if( s_listener.waterlevel > 2 )
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idsp_room = roomwater_type->value;
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else idsp_room = room_type->value;
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@ -835,7 +898,9 @@ void CheckNewDspPresets( void )
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if( idsp_room != room_typeprev )
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{
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const sx_preset_t *cur = rgsxpre + idsp_room;
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const sx_preset_t *cur;
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cur = ptable + idsp_room;
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Cvar_SetValue( "room_lp", cur->room_lp );
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Cvar_SetValue( "room_mod", cur->room_mod );
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@ -853,6 +918,10 @@ void CheckNewDspPresets( void )
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RVB_CheckNewReverbVal( );
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DLY_CheckNewDelayVal( );
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DLY_CheckNewStereoDelayVal();
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ClearBits( sxrvb_size->flags, FCVAR_CHANGED );
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ClearBits( sxdly_delay->flags, FCVAR_CHANGED );
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ClearBits( sxste_delay->flags, FCVAR_CHANGED );
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}
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void SX_Profiling_f( void )
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@ -1662,7 +1662,7 @@ void SND_UpdateSound( void )
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VectorSet( info.color, 1.0f, 1.0f, 1.0f );
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info.index = 0;
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Con_NXPrintf( &info, "room_type: %i ----(%i)---- painted: %i\n", idsp_room, total - 1, paintedtime );
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Con_NXPrintf( &info, "room_type: %i (%s) ----(%i)---- painted: %i\n", idsp_room, Cvar_VariableString( "dsp_coeff_table" ), total - 1, paintedtime );
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}
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S_StreamBackgroundTrack ();
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