Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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5 years ago
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================
#include "cbase.h"
#include "SceneCache.h"
#include "choreoscene.h"
#include "choreoevent.h"
extern ISoundEmitterSystemBase *soundemitterbase;
CChoreoScene *BlockingLoadScene( const char *filename );
CSceneCache::CSceneCache()
{
msecs = 0;
}
CSceneCache::CSceneCache( const CSceneCache& src )
{
msecs = src.msecs;
sounds = src.sounds;
}
int CSceneCache::GetSoundCount() const
{
return sounds.Count();
}
char const *CSceneCache::GetSoundName( int index )
{
return soundemitterbase->GetSoundName( sounds[ index ] );
}
void CSceneCache::Save( CUtlBuffer& buf )
{
buf.PutUnsignedInt( msecs );
unsigned short c = GetSoundCount();
buf.PutShort( c );
Assert( sounds.Count() <= 65536 );
for ( int i = 0; i < c; ++i )
{
buf.PutString( GetSoundName( i ) );
}
}
void CSceneCache::Restore( CUtlBuffer& buf )
{
MEM_ALLOC_CREDIT();
msecs = buf.GetUnsignedInt();
unsigned short c = (unsigned short)buf.GetShort();
for ( int i = 0; i < c; ++i )
{
char soundname[ 512 ];
buf.GetString( soundname );
int idx = soundemitterbase->GetSoundIndex( soundname );
if ( idx != -1 )
{
Assert( idx <= 65535 );
if ( sounds.Find( idx ) == sounds.InvalidIndex() )
{
sounds.AddToTail( (unsigned short)idx );
}
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Static method
// Input : *event -
// soundlist -
//-----------------------------------------------------------------------------
void CSceneCache::PrecacheSceneEvent( CChoreoEvent *event, CUtlVector< unsigned short >& soundlist )
{
if ( !event || event->GetType() != CChoreoEvent::SPEAK )
return;
int idx = soundemitterbase->GetSoundIndex( event->GetParameters() );
if ( idx != -1 )
{
MEM_ALLOC_CREDIT();
Assert( idx <= 65535 );
soundlist.AddToTail( (unsigned short)idx );
}
if ( event->GetCloseCaptionType() == CChoreoEvent::CC_MASTER )
{
char tok[ CChoreoEvent::MAX_CCTOKEN_STRING ];
if ( event->GetPlaybackCloseCaptionToken( tok, sizeof( tok ) ) )
{
int idx = soundemitterbase->GetSoundIndex( tok );
if ( idx != -1 && soundlist.Find( idx ) == soundlist.InvalidIndex() )
{
MEM_ALLOC_CREDIT();
Assert( idx <= 65535 );
soundlist.AddToTail( (unsigned short)idx );
}
}
}
}
void CSceneCache::Rebuild( char const *filename )
{
msecs = 0;
sounds.RemoveAll();
CChoreoScene *scene = BlockingLoadScene( filename );
if ( scene )
{
// Walk all events looking for SPEAK events
CChoreoEvent *event;
int c = scene->GetNumEvents();
for ( int i = 0; i < c; ++i )
{
event = scene->GetEvent( i );
PrecacheSceneEvent( event, sounds );
}
// Update scene duration, too
msecs = (int)( scene->FindStopTime() * 1000.0f + 0.5f );
delete scene;
}
}