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nephacks
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public/soundsystem/soundschema.h
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244
public/soundsystem/soundschema.h
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//===================== Copyright (c) Valve Corporation. All Rights Reserved. ======================
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//
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//
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//
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//==================================================================================================
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#ifndef SOUNDSCHEMA_H
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#define SOUNDSCHEMA_H
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#ifdef _WIN32
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#pragma once
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#endif
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#ifndef SOURCE1
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#include "resourcefile/resourcefile.h"
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#include "resourcefile/resourcetype.h"
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#endif
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FORWARD_DECLARE_HANDLE( memhandle_t );
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schema struct CEmphasisSample_t
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{
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public:
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TYPEMETA( MNoScatter );
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DECLARE_SCHEMA_DATA_CLASS(CEmphasisSample_t)
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float32 time;
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float32 value;
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};
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schema struct CBasePhonemeTag_t
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{
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public:
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TYPEMETA( MNoScatter );
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DECLARE_SCHEMA_DATA_CLASS(CBasePhonemeTag_t)
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float GetStartTime() const { return m_flStartTime; }
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float GetEndTime() const { return m_flEndTime; }
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int GetPhonemeCode() const { return m_nPhonemeCode; }
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public:
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float32 m_flStartTime;
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float32 m_flEndTime;
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uint16 m_nPhonemeCode;
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};
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// A sentence can be closed captioned
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// The default case is the entire sentence shown at start time
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//
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// "<persist:2.0><clr:255,0,0,0>The <I>default<I> case"
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// "<sameline>is the <U>entire<U> sentence shown at <B>start time<B>"
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// Commands that aren't closed at end of phrase are automatically terminated
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//
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// Commands
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// <linger:2.0> The line should persist for 2.0 seconds beyond m_flEndTime
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// <sameline> Don't go to new line for next phrase on stack
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// <clr:r,g,b,a> Push current color onto stack and start drawing with new
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// color until we reach the next <clr> marker or a <clr> with no commands which
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// means restore the previous color
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// <U> Underline text (start/end)
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// <I> Italics text (start/end)
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// <B> Bold text (start/end)
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// <position:where> Draw caption at special location ??? needed
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// <cr> Go to new line
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// Close Captioning Support
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// The phonemes drive the mouth in english, but the CC text can
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// be one of several languages
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//-----------------------------------------------------------------------------
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// Purpose: A sentence is a box of words, and words contain phonemes
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//-----------------------------------------------------------------------------
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schema class CSentence_t
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{
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public:
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TYPEMETA( MNoScatter );
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DECLARE_SCHEMA_DATA_CLASS(CSentence_t)
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inline float GetIntensity( float time, float endtime );
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inline CEmphasisSample_t *GetBoundedSample( int number, float endtime );
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int GetNumSamples( void ) { return m_EmphasisSamples.Count(); }
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CEmphasisSample_t *GetSample( int index ) { return &m_EmphasisSamples[ index ]; }
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bool GetVoiceDuck() const { return m_bShouldVoiceDuck; }
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int GetRuntimePhonemeCount() const { return m_RunTimePhonemes.Count(); }
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const CBasePhonemeTag_t *GetRuntimePhoneme( int i ) const { return &m_RunTimePhonemes[ i ]; }
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public:
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bool m_bShouldVoiceDuck;
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CResourceArray< CBasePhonemeTag_t > m_RunTimePhonemes;
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// Phoneme emphasis data
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CResourceArray< CEmphasisSample_t > m_EmphasisSamples;
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};
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : number -
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// Output : CEmphasisSample_t
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//-----------------------------------------------------------------------------
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inline CEmphasisSample_t *CSentence_t::GetBoundedSample( int number, float endtime )
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{
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// Search for two samples which span time f
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static CEmphasisSample_t nullstart;
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nullstart.time = 0.0f;
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nullstart.value = 0.5f;
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static CEmphasisSample_t nullend;
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nullend.time = endtime;
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nullend.value = 0.5f;
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if ( number < 0 )
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{
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return &nullstart;
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}
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else if ( number >= GetNumSamples() )
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{
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return &nullend;
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}
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return GetSample( number );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : time -
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// type -
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// Output : float
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//-----------------------------------------------------------------------------
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inline float CSentence_t::GetIntensity( float time, float endtime )
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{
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float zeroValue = 0.5f;
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int c = GetNumSamples();
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if ( c <= 0 )
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{
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return zeroValue;
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}
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int i;
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for ( i = -1 ; i < c; i++ )
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{
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CEmphasisSample_t *s = GetBoundedSample( i, endtime );
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CEmphasisSample_t *n = GetBoundedSample( i + 1, endtime );
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if ( !s || !n )
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continue;
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if ( time >= s->time && time <= n->time )
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{
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break;
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}
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}
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int prev = i - 1;
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int start = i;
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int end = i + 1;
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int next = i + 2;
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prev = MAX( -1, prev );
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start = MAX( -1, start );
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end = MIN( end, GetNumSamples() );
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next = MIN( next, GetNumSamples() );
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CEmphasisSample_t *esPre = GetBoundedSample( prev, endtime );
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CEmphasisSample_t *esStart = GetBoundedSample( start, endtime );
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CEmphasisSample_t *esEnd = GetBoundedSample( end, endtime );
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CEmphasisSample_t *esNext = GetBoundedSample( next, endtime );
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float dt = esEnd->time - esStart->time;
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dt = clamp( dt, 0.01f, 1.0f );
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Vector vPre( esPre->time, esPre->value, 0 );
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Vector vStart( esStart->time, esStart->value, 0 );
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Vector vEnd( esEnd->time, esEnd->value, 0 );
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Vector vNext( esNext->time, esNext->value, 0 );
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float f2 = ( time - esStart->time ) / ( dt );
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f2 = clamp( f2, 0.0f, 1.0f );
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Vector vOut;
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Catmull_Rom_Spline(
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vPre,
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vStart,
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vEnd,
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vNext,
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f2,
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vOut );
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float retval = clamp( vOut.y, 0.0f, 1.0f );
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return retval;
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}
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// Used for bitpacking
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struct soundinfoheader_t
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{
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unsigned int m_Type : 2; // 0 1 2 or 3
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unsigned int m_bits : 5; // 0 to 31
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unsigned int m_channels : 2; // 1 or 2
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unsigned int m_sampleSize : 3; // 1 2 or 4
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unsigned int m_format : 2; // 1 == PCM, 2 == ADPCM
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unsigned int m_rate : 17; // 0 to 64 K
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};
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schema struct VSound_t
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{
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DECLARE_SCHEMA_DATA_CLASS(VSound_t)
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uint32 m_bitpackedsoundinfo;
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const soundinfoheader_t &info() const { return *(soundinfoheader_t *)&m_bitpackedsoundinfo; };
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int m_Type() const { return info().m_Type; };
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int m_bits() const { return info().m_bits; };
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int m_channels() const { return info().m_channels; };
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int m_sampleSize() const { return info().m_sampleSize; };
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int m_format() const { return info().m_format; };
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int m_rate() const { return info().m_rate; };
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int32 m_loopStart; // -1 for no loop
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uint32 m_sampleCount;
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float32 m_flDuration; // Duration in seconds
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// Phoneme stream (optional)
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CResourcePointer< CSentence_t > m_Sentence;
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// Raw wave header (reinterpreted based on m_Type())
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CResourceArray< uint8 > m_pHeader;
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uint32 m_nStreamingDataSize;
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// Any data after header is the raw sample data (PCM, ADPCM, .mp3, whatever)
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uint32 m_nStreamingDataOffset; META( MNoSchema );
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memhandle_t m_hStreamDataCacheHandle; META( MNoSchema );
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};
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#ifndef SOURCE1
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#define RESOURCE_TYPE_SOUND RESOURCE_TYPE('s','n','d', 0)
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DEFINE_RESOURCE_TYPE( VSound_t, RESOURCE_TYPE_SOUND, HSound, HSoundStrong );
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#define SOUND_HANDLE_INVALID ( (HSound)0 )
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#endif
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#endif // SOUNDSCHEMA_H
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