92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $Workfile: $
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// $Date: $
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// $NoKeywords: $
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//=============================================================================//
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#ifndef SOUNDENVELOPE_H
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#define SOUNDENVELOPE_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "engine/IEngineSound.h"
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class CSoundPatch;
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enum soundcommands_t
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{
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SOUNDCTRL_CHANGE_VOLUME,
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SOUNDCTRL_CHANGE_PITCH,
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SOUNDCTRL_STOP,
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SOUNDCTRL_DESTROY,
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};
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//Envelope point
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struct envelopePoint_t
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{
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float amplitudeMin, amplitudeMax;
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float durationMin, durationMax;
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};
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//Envelope description
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struct envelopeDescription_t
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{
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envelopePoint_t *pPoints;
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int nNumPoints;
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};
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class IRecipientFilter;
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abstract_class CSoundEnvelopeController
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{
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public:
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virtual void SystemReset( void ) = 0;
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virtual void SystemUpdate( void ) = 0;
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virtual void Play( CSoundPatch *pSound, float volume, float pitch, float flStartTime = 0 ) = 0;
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virtual void CommandAdd( CSoundPatch *pSound, float executeDeltaTime, soundcommands_t command, float commandTime, float value ) = 0;
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virtual void CommandClear( CSoundPatch *pSound ) = 0;
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virtual void Shutdown( CSoundPatch *pSound ) = 0;
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virtual CSoundPatch *SoundCreate( IRecipientFilter& filter, int nEntIndex, const char *pSoundName ) = 0;
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virtual CSoundPatch *SoundCreate( IRecipientFilter& filter, int nEntIndex, int channel, const char *pSoundName,
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float attenuation ) = 0;
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virtual CSoundPatch *SoundCreate( IRecipientFilter& filter, int nEntIndex, int channel, const char *pSoundName,
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soundlevel_t soundlevel ) = 0;
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virtual CSoundPatch *SoundCreate( IRecipientFilter& filter, int nEntIndex, const EmitSound_t &es ) = 0;
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virtual void SoundDestroy( CSoundPatch * ) = 0;
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virtual void SoundChangePitch( CSoundPatch *pSound, float pitchTarget, float deltaTime ) = 0;
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virtual void SoundChangeVolume( CSoundPatch *pSound, float volumeTarget, float deltaTime ) = 0;
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virtual void SoundFadeOut( CSoundPatch *pSound, float deltaTime, bool destroyOnFadeout = false ) = 0;
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virtual float SoundGetPitch( CSoundPatch *pSound ) = 0;
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virtual float SoundGetVolume( CSoundPatch *pSound ) = 0;
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virtual float SoundPlayEnvelope( CSoundPatch *pSound, soundcommands_t soundCommand, envelopePoint_t *points, int numPoints ) = 0;
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virtual float SoundPlayEnvelope( CSoundPatch *pSound, soundcommands_t soundCommand, envelopeDescription_t *envelope ) = 0;
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virtual void CheckLoopingSoundsForPlayer( CBasePlayer *pPlayer ) = 0;
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virtual string_t SoundGetName( CSoundPatch *pSound ) = 0;
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static CSoundEnvelopeController &GetController( void );
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virtual void SoundSetCloseCaptionDuration( CSoundPatch *pSound, float flDuration ) = 0;
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};
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//-----------------------------------------------------------------------------
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// Save/restore
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//-----------------------------------------------------------------------------
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class ISaveRestoreOps;
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ISaveRestoreOps *GetSoundSaveRestoreOps( );
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#define DEFINE_SOUNDPATCH(name) \
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{ FIELD_CUSTOM, #name, { offsetof(classNameTypedef,name), 0 }, 1, FTYPEDESC_SAVE, NULL, GetSoundSaveRestoreOps( ), NULL }
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#endif // SOUNDENVELOPE_H
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