engine: client: support parsing GoldSrc event messages

engine/client/cl_events.c

@@ -380,7 +380,7 @@ CL_ParseReliableEvent
 
 =============
 */
-void CL_ParseReliableEvent( sizebuf_t *msg )
+void CL_ParseReliableEvent( sizebuf_t *msg, connprotocol_t proto )
 {
 	int		event_index;
 	event_args_t	nullargs, args;
@@ -390,11 +390,19 @@ void CL_ParseReliableEvent( sizebuf_t *msg )
 
 	event_index = MSG_ReadUBitLong( msg, MAX_EVENT_BITS );
 
+	// reliable events not use delta-compression just null-compression
+	if( proto == PROTO_GOLDSRC )
+	{
+		Delta_ReadGSFields( msg, DT_EVENT_T, &nullargs, &args, 0.0f );
+		if( MSG_ReadOneBit( msg ))
+			delay = (float)MSG_ReadWord( msg ) * (1.0f / 100.0f);
+	}
+	else
+	{
 		if( MSG_ReadOneBit( msg ))
 			delay = (float)MSG_ReadWord( msg ) * (1.0f / 100.0f);
-
-	// reliable events not use delta-compression just null-compression
 		MSG_ReadDeltaEvent( msg, &nullargs, &args );
+	}
 
 	if( args.entindex > 0 && args.entindex <= cl.maxclients )
 		args.angles[PITCH] *= -3.0f;
@@ -409,7 +417,7 @@ CL_ParseEvent
 
 =============
 */
-void CL_ParseEvent( sizebuf_t *msg )
+void CL_ParseEvent( sizebuf_t *msg, connprotocol_t proto )
 {
 	int		event_index;
 	int		i, num_events;
@@ -417,24 +425,33 @@ void CL_ParseEvent( sizebuf_t *msg )
 	event_args_t	nullargs, args;
 	entity_state_t	*state;
 	float		delay;
+	int		entity_bits;
 
 	memset( &nullargs, 0, sizeof( nullargs ));
 	memset( &args, 0, sizeof( args ));
 
 	num_events = MSG_ReadUBitLong( msg, 5 );
 
+	if( proto == PROTO_GOLDSRC )
+		entity_bits = MAX_GOLDSRC_ENTITY_BITS;
+	else if( proto == PROTO_LEGACY )
+		entity_bits = MAX_LEGACY_ENTITY_BITS;
+	else entity_bits = MAX_ENTITY_BITS;
+
 	// parse events queue
 	for( i = 0 ; i < num_events; i++ )
 	{
 		event_index = MSG_ReadUBitLong( msg, MAX_EVENT_BITS );
 
 		if( MSG_ReadOneBit( msg ))
-			packet_index = MSG_ReadUBitLong( msg, cls.legacymode ? MAX_LEGACY_ENTITY_BITS : MAX_ENTITY_BITS );
+			packet_index = MSG_ReadUBitLong( msg, entity_bits );
 		else packet_index = -1;
 
 		if( MSG_ReadOneBit( msg ))
 		{
-			MSG_ReadDeltaEvent( msg, &nullargs, &args );
+			if( proto == PROTO_GOLDSRC )
+				Delta_ReadGSFields( msg, DT_EVENT_T, &nullargs, &args, 0.0f );
+			else MSG_ReadDeltaEvent( msg, &nullargs, &args );
 		}
 
 		if( MSG_ReadOneBit( msg ))

engine/client/cl_parse.c

@@ -2359,7 +2359,7 @@ void CL_ParseServerMessage( sizebuf_t *msg )
 			Host_AbortCurrentFrame ();
 			break;
 		case svc_event:
-			CL_ParseEvent( msg );
+			CL_ParseEvent( msg, PROTO_CURRENT );
 			cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
 		case svc_changing:
@@ -2466,7 +2466,7 @@ void CL_ParseServerMessage( sizebuf_t *msg )
 			CL_ParseStaticEntity( msg );
 			break;
 		case svc_event_reliable:
-			CL_ParseReliableEvent( msg );
+			CL_ParseReliableEvent( msg, PROTO_CURRENT );
 			cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
 		case svc_spawnbaseline:

engine/client/cl_parse_48.c

@@ -359,7 +359,7 @@ void CL_ParseLegacyServerMessage( sizebuf_t *msg )
 			Host_AbortCurrentFrame ();
 			break;
 		case svc_legacy_event:
-			CL_ParseEvent( msg );
+			CL_ParseEvent( msg, PROTO_LEGACY );
 			cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
 		case svc_legacy_changing:
@@ -478,7 +478,7 @@ void CL_ParseLegacyServerMessage( sizebuf_t *msg )
 			CL_LegacyParseStaticEntity( msg );
 			break;
 		case svc_event_reliable:
-			CL_ParseReliableEvent( msg );
+			CL_ParseReliableEvent( msg, PROTO_LEGACY );
 			cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
 		case svc_spawnbaseline:

engine/client/cl_parse_gs.c

@@ -575,7 +575,7 @@ void CL_ParseGoldSrcServerMessage( sizebuf_t *msg, qboolean normal_message )
 			break;
 		case svc_event:
 			MSG_StartBitWriting( msg );
-			CL_ParseEvent( msg );
+			CL_ParseEvent( msg, PROTO_GOLDSRC );
 			MSG_EndBitWriting( msg );
 			cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
@@ -643,7 +643,7 @@ void CL_ParseGoldSrcServerMessage( sizebuf_t *msg, qboolean normal_message )
 			break;
 		case svc_event_reliable:
 			MSG_StartBitWriting( msg );
-			CL_ParseReliableEvent( msg );
+			CL_ParseReliableEvent( msg, PROTO_GOLDSRC );
 			MSG_EndBitWriting( msg );
 			cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;

engine/client/client.h

@@ -784,8 +784,8 @@ int CL_GetDemoComment( const char *demoname, char *comment );
 //
 // cl_events.c
 //
-void CL_ParseEvent( sizebuf_t *msg );
+void CL_ParseEvent( sizebuf_t *msg, connprotocol_t proto );
-void CL_ParseReliableEvent( sizebuf_t *msg );
+void CL_ParseReliableEvent( sizebuf_t *msg, connprotocol_t proto );
 void CL_SetEventIndex( const char *szEvName, int ev_index );
 void CL_PlaybackEvent( int flags, const edict_t *pInvoker, word eventindex, float delay, float *origin,
 	float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 );