From e99ca5947b6f2de5afefea412c29ac7f122fd820 Mon Sep 17 00:00:00 2001
From: mittorn <mittorn@sibmail.com>
Date: Tue, 5 Feb 2019 01:10:26 +0700
Subject: [PATCH] legacymode: resource list support

---
 engine/client/cl_main.c  | 11 +++++++
 engine/client/cl_parse.c | 67 +++++++++++++++++++++++++++++++++++-----
 2 files changed, 70 insertions(+), 8 deletions(-)

diff --git a/engine/client/cl_main.c b/engine/client/cl_main.c
index aa345603..f1fc316f 100644
--- a/engine/client/cl_main.c
+++ b/engine/client/cl_main.c
@@ -2281,6 +2281,17 @@ void CL_ProcessFile( qboolean successfully_received, const char *filename )
 	{
 		Con_Printf( S_ERROR "server failed to transmit file '%s'\n", CL_CleanFileName( filename ));
 	}
+	if( cls.legacymode )
+	{
+		if( host.downloadcount > 0 )
+			host.downloadcount--;
+		if( !host.downloadcount )
+		{
+			MSG_WriteByte( &cls.netchan.message, clc_stringcmd );
+			MSG_WriteString( &cls.netchan.message, "continueloading" );
+		}
+		return;
+	}
 
 	pfilename = filename;
 
diff --git a/engine/client/cl_parse.c b/engine/client/cl_parse.c
index 8a36b823..ac6321c3 100644
--- a/engine/client/cl_parse.c
+++ b/engine/client/cl_parse.c
@@ -2727,6 +2727,61 @@ void CL_LegacyUpdateUserinfo( sizebuf_t *msg )
 	else memset( player, 0, sizeof( *player ));
 }
 
+/*
+==============
+CL_ParseResourceList
+
+==============
+*/
+void CL_LegacyParseResourceList( sizebuf_t *msg )
+{
+	int	i = 0;
+
+	static struct
+	{
+		int  rescount;
+		int  restype[MAX_RESOURCES];
+		char resnames[MAX_RESOURCES][CS_SIZE];
+	} reslist;
+	memset( &reslist, 0, sizeof( reslist ));
+
+	reslist.rescount = MSG_ReadWord( msg ) - 1;
+
+	for( i = 0; i < reslist.rescount; i++ )
+	{
+		reslist.restype[i] = MSG_ReadWord( msg );
+		Q_strncpy( reslist.resnames[i], MSG_ReadString( msg ), CS_SIZE );
+	}
+
+	if( CL_IsPlaybackDemo() )
+	{
+		return;
+	}
+
+	host.downloadcount = 0;
+
+	for( i = 0; i < reslist.rescount; i++ )
+	{
+		const char *path;
+
+		if( reslist.restype[i] == t_sound )
+			path = va( "sound/%s", reslist.resnames[i] );
+		else path = reslist.resnames[i];
+
+		if( FS_FileExists( path, false ))
+			continue;	// already exists
+
+		host.downloadcount++;
+		HTTP_AddDownload( path, -1, true );
+	}
+
+	if( !host.downloadcount )
+	{
+		MSG_WriteByte( &cls.netchan.message, clc_stringcmd );
+		MSG_WriteString( &cls.netchan.message, "continueloading" );
+	}
+}
+
 /*
 =====================
 CL_ParseLegacyServerMessage
@@ -2856,13 +2911,9 @@ void CL_ParseLegacyServerMessage( sizebuf_t *msg, qboolean normal_message )
 			if( !Q_strnicmp( s, "disconnect", 10 ) && cls.signon != SIGNONS )
 				break; // too early
 #endif
-			if( !Q_strcmp(s, "cmd getresourcelist\n") )
-				Cbuf_AddText("cmd continueloading\n");
-			else
-			{
-				Con_Reportf( "Stufftext: %s", s );
-				Cbuf_AddText( s );
-			}
+
+			Con_Reportf( "Stufftext: %s", s );
+			Cbuf_AddText( s );
 			break;
 		case svc_setangle:
 			CL_ParseSetAngle( msg );
@@ -2992,7 +3043,7 @@ void CL_ParseLegacyServerMessage( sizebuf_t *msg, qboolean normal_message )
 			//cl.frames[cls.netchan.incoming_sequence & CL_UPDATE_MASK].receivedtime = -2.0;
 			break;
 		case svc_resourcelist:
-			CL_ParseResourceList( msg );
+			CL_LegacyParseResourceList( msg );
 			break;
 		case svc_deltamovevars:
 			CL_ParseMovevars( msg );