From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001
From: Joe Ludwig <joe@valvesoftware.com>
Date: Wed, 26 Jun 2013 15:22:04 -0700
Subject: First version of the SOurce SDK 2013

---
 mp/src/game/shared/ModelSoundsCache.cpp | 217 ++++++++++++++++++++++++++++++++
 1 file changed, 217 insertions(+)
 create mode 100644 mp/src/game/shared/ModelSoundsCache.cpp

(limited to 'mp/src/game/shared/ModelSoundsCache.cpp')

diff --git a/mp/src/game/shared/ModelSoundsCache.cpp b/mp/src/game/shared/ModelSoundsCache.cpp
new file mode 100644
index 00000000..5081af56
--- /dev/null
+++ b/mp/src/game/shared/ModelSoundsCache.cpp
@@ -0,0 +1,217 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#include "cbase.h"
+#include "ModelSoundsCache.h"
+#include "studio.h"
+#include "eventlist.h"
+#include "scriptevent.h"
+
+extern ISoundEmitterSystemBase *soundemitterbase;
+
+CStudioHdr *ModelSoundsCache_LoadModel( char const *filename );
+void ModelSoundsCache_PrecacheScriptSound( const char *soundname );
+void ModelSoundsCache_FinishModel( CStudioHdr *hdr );
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *hdr - 
+// Output : static void
+//-----------------------------------------------------------------------------
+
+void VerifySequenceIndex( CStudioHdr *pstudiohdr );
+
+// HACK:  This must match the #define in cl_animevent.h in the client .dll code!!!
+#define CL_EVENT_SOUND				5004
+#define CL_EVENT_FOOTSTEP_LEFT		6004
+#define CL_EVENT_FOOTSTEP_RIGHT		6005
+#define CL_EVENT_MFOOTSTEP_LEFT		6006
+#define CL_EVENT_MFOOTSTEP_RIGHT	6007
+
+
+extern ISoundEmitterSystemBase *soundemitterbase;
+
+CModelSoundsCache::CModelSoundsCache()
+{
+}
+
+CModelSoundsCache::CModelSoundsCache( const CModelSoundsCache& src )
+{
+	sounds = src.sounds;
+}
+
+char const *CModelSoundsCache::GetSoundName( int index )
+{
+	return soundemitterbase->GetSoundName( sounds[ index ] );
+}
+
+void CModelSoundsCache::Save( CUtlBuffer& buf  )
+{
+	buf.PutShort( sounds.Count() );
+	
+	for ( int i = 0; i < sounds.Count(); ++i )
+	{
+		buf.PutString( GetSoundName( i ) );
+	}
+}
+
+void CModelSoundsCache::Restore( CUtlBuffer& buf  )
+{
+	MEM_ALLOC_CREDIT();
+	unsigned short c;
+
+	c = (unsigned short)buf.GetShort();
+
+	for ( int i = 0; i < c; ++i )
+	{
+		char soundname[ 512 ];
+
+		buf.GetString( soundname, sizeof( soundname ) );
+
+		int idx = soundemitterbase->GetSoundIndex( soundname );
+		if ( idx != -1 )
+		{
+			Assert( idx <= 65535 );
+			if ( sounds.Find( idx ) == sounds.InvalidIndex() )
+			{
+				sounds.AddToTail( (unsigned short)idx );
+			}
+		}
+	}
+}
+
+void CModelSoundsCache::Rebuild( char const *filename )
+{
+	sounds.RemoveAll();
+
+	CStudioHdr *hdr = ModelSoundsCache_LoadModel( filename );
+
+	if ( hdr )
+	{
+		// Precache all sounds referenced in animation events
+		BuildAnimationEventSoundList( hdr, sounds );
+		ModelSoundsCache_FinishModel( hdr );
+	}
+}
+
+void CModelSoundsCache::PrecacheSoundList()
+{
+	for ( int i = 0; i < sounds.Count(); ++i )
+	{
+		ModelSoundsCache_PrecacheScriptSound( GetSoundName( i ) );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Static method
+// Input  : sounds - 
+//			*soundname - 
+//-----------------------------------------------------------------------------
+void CModelSoundsCache::FindOrAddScriptSound( CUtlVector< unsigned short >& sounds, char const *soundname )
+{
+	int soundindex = soundemitterbase->GetSoundIndex( soundname );
+	if ( soundindex != -1 )
+	{
+		// Only add it once per model...
+		if ( sounds.Find( soundindex ) == sounds.InvalidIndex() )
+		{
+			MEM_ALLOC_CREDIT();
+			sounds.AddToTail( soundindex );
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Static method
+// Input  : *hdr - 
+//			sounds - 
+//-----------------------------------------------------------------------------
+void CModelSoundsCache::BuildAnimationEventSoundList( CStudioHdr *hdr, CUtlVector< unsigned short >& sounds )
+{
+	Assert( hdr );
+	
+	// force animation event resolution!!!
+	VerifySequenceIndex( hdr );
+
+	// Find all animation events which fire off sound script entries...
+	for ( int iSeq=0; iSeq < hdr->GetNumSeq(); iSeq++ )
+	{
+		mstudioseqdesc_t *pSeq = &hdr->pSeqdesc( iSeq );
+		
+		// Now read out all the sound events with their timing
+		for ( int iEvent=0; iEvent < (int)pSeq->numevents; iEvent++ )
+		{
+			mstudioevent_t *pEvent = pSeq->pEvent( iEvent );
+			
+			switch ( pEvent->event )
+			{
+			default:
+				{
+					if ( pEvent->type & AE_TYPE_NEWEVENTSYSTEM )
+					{
+						if ( pEvent->event == AE_SV_PLAYSOUND )
+						{
+							FindOrAddScriptSound( sounds, pEvent->pszOptions() );
+						}
+					}
+				}
+				break;
+			// Old-style client .dll animation event
+			case CL_EVENT_SOUND:
+				{
+					FindOrAddScriptSound( sounds, pEvent->pszOptions() );
+				}
+				break;
+			case CL_EVENT_FOOTSTEP_LEFT:
+			case CL_EVENT_FOOTSTEP_RIGHT:
+				{
+					char soundname[256];
+					char const *options = pEvent->pszOptions();
+					if ( !options || !options[0] )
+					{
+						options = "NPC_CombineS";
+					}
+
+					Q_snprintf( soundname, 256, "%s.RunFootstepLeft", options );
+					FindOrAddScriptSound( sounds, soundname );
+					Q_snprintf( soundname, 256, "%s.RunFootstepRight", options );
+					FindOrAddScriptSound( sounds, soundname );
+					Q_snprintf( soundname, 256, "%s.FootstepLeft", options );
+					FindOrAddScriptSound( sounds, soundname );
+					Q_snprintf( soundname, 256, "%s.FootstepRight", options );
+					FindOrAddScriptSound( sounds, soundname );
+				}
+				break;
+			case AE_CL_PLAYSOUND:
+				{
+					if ( !( pEvent->type & AE_TYPE_CLIENT ) )
+						break;
+
+					if ( pEvent->pszOptions()[0] )
+					{
+						FindOrAddScriptSound( sounds, pEvent->pszOptions() );
+					}
+					else
+					{
+						Warning( "-- Error --:  empty soundname, .qc error on AE_CL_PLAYSOUND in model %s, sequence %s, animevent # %i\n", 
+							hdr->pszName(), pSeq->pszLabel(), iEvent+1 );
+					}
+				}
+				break;
+			case SCRIPT_EVENT_SOUND:
+				{
+					FindOrAddScriptSound( sounds, pEvent->pszOptions() );
+				}
+				break;
+
+			case SCRIPT_EVENT_SOUND_VOICE:
+				{
+					FindOrAddScriptSound( sounds, pEvent->pszOptions() );
+				}
+				break;
+			}
+		}
+	}
+}
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