From 4d99ea4c344de70d140bd4d765c8aa89718ccfa5 Mon Sep 17 00:00:00 2001
From: div0 <div0@f962a42d-fe04-0410-a3ab-8c8b0445ebaa>
Date: Sun, 17 Dec 2006 16:50:50 +0000
Subject: [PATCH] version nag feature - non-SVN clients get a message about
 different version between server and client once per game. No further action
 is taken as long as the versions are compatible.

git-svn-id: svn://svn.icculus.org/nexuiz/trunk@2050 f962a42d-fe04-0410-a3ab-8c8b0445ebaa
---
 data/qcsrc/server/cl_client.qc     | 18 ++++++++++++++++++
 data/qcsrc/server/defs.qh          |  3 +++
 data/qcsrc/server/miscfunctions.qc | 19 ++++++++++++++++---
 3 files changed, 37 insertions(+), 3 deletions(-)

diff --git a/data/qcsrc/server/cl_client.qc b/data/qcsrc/server/cl_client.qc
index 4c96660af..83e2f7279 100644
--- a/data/qcsrc/server/cl_client.qc
+++ b/data/qcsrc/server/cl_client.qc
@@ -667,6 +667,7 @@ void ClientConnect (void)
 	
 	self.classname = "player_joining";
 	self.flags = self.flags | FL_CLIENT;
+	self.version_nagtime = time + 10 + random() * 10;
 
 	if(player_count<0) player_count = 0;
 
@@ -846,6 +847,9 @@ void ClientDisconnect (void)
 		Spawnqueue_Unmark(self);
 		Spawnqueue_Remove(self);
 	}
+
+	// free cvars
+	GetCvars(-1);
 }
 
 .float buttonchat;
@@ -1300,6 +1304,20 @@ Called every frame for each client before the physics are run
 void() ctf_setstatus;
 void PlayerPreThink (void)
 {
+	// version nagging
+	if(self.version_nagtime)
+		if(self.cvar_g_nexuizversion)
+			if(time > self.version_nagtime)
+			{
+				if(strstr(self.cvar_g_nexuizversion, "svn", 0) < 0)
+					if(self.cvar_g_nexuizversion != cvar_string("g_nexuizversion"))
+					{
+						dprint("^1NOTE^7 to ", self.netname, "^7 - the server is running ^3Nexuiz ", cvar_string("g_nexuizversion"), "^7, you have ^3Nexuiz ", self.cvar_g_nexuizversion, "\n");
+						sprint(self, strcat("\{1}^1NOTE: ^7the server is running ^3Nexuiz ", cvar_string("g_nexuizversion"), "^7, you have ^3Nexuiz ", self.cvar_g_nexuizversion, "\n"));
+					}
+				self.version_nagtime = 0;
+			}
+
 	if(self.classname == "player") {
 		local vector m1, m2;
 
diff --git a/data/qcsrc/server/defs.qh b/data/qcsrc/server/defs.qh
index 703f8ee6c..8ea05639b 100644
--- a/data/qcsrc/server/defs.qh
+++ b/data/qcsrc/server/defs.qh
@@ -258,6 +258,9 @@ float default_weapon_alpha;
 .float cvar_cl_nogibs;
 .float cvar_scr_centertime;
 .float cvar_cl_shownames;
+.string cvar_g_nexuizversion;
+
+.float version_nagtime;
 
 #ifdef ALLOW_VARIABLE_LOD
 .float modelindex_lod0;
diff --git a/data/qcsrc/server/miscfunctions.qc b/data/qcsrc/server/miscfunctions.qc
index 21fce34a8..12d78e5ee 100644
--- a/data/qcsrc/server/miscfunctions.qc
+++ b/data/qcsrc/server/miscfunctions.qc
@@ -378,17 +378,29 @@ Called with:
 */
 void GetCvars_handleString(float f, .string field, string name)
 {
-	if(f)
+	if(f < 0)
+	{
+		if(self.field)
+			strunzone(self.field);
+	}
+	else if(f > 0)
 	{
 		if(argv(f) == name)
-			self.field = argv(f + 1);
+		{
+			if(self.field)
+				strunzone(self.field);
+			self.field = strzone(argv(f + 1));
+		}
 	}
 	else
 		stuffcmd(self, strcat("cmd reportcvar ", name, " $", name, "\n"));
 }
 void GetCvars_handleFloat(float f, .float field, string name)
 {
-	if(f)
+	if(f < 0)
+	{
+	}
+	else if(f > 0)
 	{
 		if(argv(f) == name)
 			self.field = stof(argv(f + 1));
@@ -402,6 +414,7 @@ void GetCvars(float f)
 	GetCvars_handleFloat(f, cvar_cl_nogibs, "cl_nogibs");
 	GetCvars_handleFloat(f, cvar_scr_centertime, "scr_centertime");
 	GetCvars_handleFloat(f, cvar_cl_shownames, "cl_shownames");
+	GetCvars_handleString(f, cvar_g_nexuizversion, "g_nexuizversion");
 }
 
 float fexists(string f)
-- 
2.39.2