From 5c0b7731112f3f9ce8e530bfc8d4898c8ef523df Mon Sep 17 00:00:00 2001
From: TimeServ <timeserv@users.sourceforge.net>
Date: Wed, 2 Aug 2006 05:34:17 +0000
Subject: [PATCH] added cl_dlemptyterminate, when set to 1 the client will
 assume downloads are finished when a empty (0 size) svc_download is received
 (defaults to 1), ensure server treats percent value properly with downloads

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@2368 fc73d0e0-1445-4013-8a0c-d673dee63da5
---
 engine/client/cl_main.c  |  2 ++
 engine/client/cl_parse.c |  7 +++++++
 engine/server/sv_user.c  | 16 ++++++++++++----
 3 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/engine/client/cl_main.c b/engine/client/cl_main.c
index b080e695d..21d223308 100644
--- a/engine/client/cl_main.c
+++ b/engine/client/cl_main.c
@@ -141,6 +141,8 @@ cvar_t	msg_filter = SCVAR("msg_filter", "0");	//0 for neither, 1 for mm1, 2 for
 cvar_t  cl_standardmsg = SCVARF("cl_standardmsg", "0", CVAR_ARCHIVE);
 cvar_t  cl_parsewhitetext = SCVAR("cl_parsewhitetext", "1");
 
+cvar_t	cl_dlemptyterminate = SCVAR("cl_dlemptyterminate", "1");
+
 cvar_t	host_mapname = FCVAR("host_mapname", "mapname", "", 0);
 
 extern cvar_t cl_hightrack;
diff --git a/engine/client/cl_parse.c b/engine/client/cl_parse.c
index 3a83cf93f..ec938101e 100644
--- a/engine/client/cl_parse.c
+++ b/engine/client/cl_parse.c
@@ -1155,6 +1155,7 @@ A download message has been received from the server
 */
 void CL_ParseDownload (void)
 {
+	extern cvar_t cl_dlemptyterminate;
 	int		size, percent;
 	qbyte	name[1024];
 
@@ -1255,6 +1256,12 @@ void CL_ParseDownload (void)
 	if (cls.downloadmethod == DL_QWPENDING)
 		cls.downloadmethod = DL_QW;
 
+	if (size == 0 && cl_dlemptyterminate.value)
+	{
+		Con_Printf("Client received empty svc_download, assuming EOF\n");
+		percent = 100;
+	}
+
 	if (percent != 100)
 	{
 // change display routines by zoid
diff --git a/engine/server/sv_user.c b/engine/server/sv_user.c
index 28339171a..39018993b 100644
--- a/engine/server/sv_user.c
+++ b/engine/server/sv_user.c
@@ -1475,9 +1475,17 @@ void SV_NextDownload_f (void)
 
 	host_client->downloadcount += r;
 	size = host_client->downloadsize;
-	if (!size)
-		size = 1;
-	percent = host_client->downloadcount*100/size;
+
+	if (host_client->downloadcount < size)
+	{
+		if (!size)
+			size = 1;
+
+		percent = (double)host_client->downloadcount*100.0/size;
+		percent = bound(0, percent, 99);
+	}
+	else
+		percent = 100;
 
 #ifdef PEXT_ZLIBDL
 	if (host_client->fteprotocolextensions & PEXT_ZLIBDL)
@@ -1492,7 +1500,7 @@ void SV_NextDownload_f (void)
 		ClientReliableWrite_SZ (host_client, buffer, r);
 	}
 
-	if (host_client->downloadcount != host_client->downloadsize)
+	if (host_client->downloadcount < host_client->downloadsize)
 		return;
 
 	VFS_CLOSE (host_client->download);