From 50c78e6d52a4cf1d17a5808a13ce2649abebeb1b Mon Sep 17 00:00:00 2001
From: Zack Middleton <zturtleman@gmail.com>
Date: Sat, 22 Aug 2015 20:12:18 -0500
Subject: [PATCH] Fix sending downloads to 1.2 clients / legacy protocol

---
 code/server/sv_client.c   | 17 +++++++++++++++--
 code/server/sv_snapshot.c |  5 +++++
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/code/server/sv_client.c b/code/server/sv_client.c
index 3679c2cb..5d3bd3c9 100644
--- a/code/server/sv_client.c
+++ b/code/server/sv_client.c
@@ -1241,13 +1241,26 @@ int SV_SendDownloadMessages(void)
 		
 		if(cl->state && *cl->downloadName)
 		{
-			MSG_Init(&msg, msgBuffer, sizeof(msgBuffer));
-			MSG_WriteLong(&msg, cl->lastClientCommand);
+#ifdef ELITEFORCE
+			if(cl->compat)
+			{
+				MSG_InitOOB(&msg, msgBuffer, sizeof(msgBuffer));
+				msg.compat = qtrue;
+			}
+			else
+#endif
+			{
+				MSG_Init(&msg, msgBuffer, sizeof(msgBuffer));
+				MSG_WriteLong(&msg, cl->lastClientCommand);
+			}
 			
 			retval = SV_WriteDownloadToClient(cl, &msg);
 				
 			if(retval)
 			{
+#ifdef ELITEFORCE
+				if(!msg.compat)
+#endif
 				MSG_WriteByte(&msg, svc_EOF);
 				SV_Netchan_Transmit(cl, &msg);
 				numDLs += retval;
diff --git a/code/server/sv_snapshot.c b/code/server/sv_snapshot.c
index f34adb55..b249d520 100644
--- a/code/server/sv_snapshot.c
+++ b/code/server/sv_snapshot.c
@@ -671,7 +671,12 @@ void SV_SendClientMessages(void)
 		if(!c->state)
 			continue;		// not connected
 
+#ifdef ELITEFORCE
+		// compat clients need svc_snapshot to update reliableAcknowledge
+		if(*c->downloadName && !c->compat)
+#else
 		if(*c->downloadName)
+#endif
 			continue;		// Client is downloading, don't send snapshots
 
 		if(c->netchan.unsentFragments || c->netchan_start_queue)