Added infection countdown. Backported from zr-dev:52955b169945 (655).

cstrike/addons/sourcemod/translations/es/zombiereloaded.phrases.txt

@@ -358,6 +358,13 @@
 		"es"		"El ultimo zombi a dejado el juego, y te ha pasado la infeccion a ti. (luego se lo agradeces xD)"
 	}
 
+	// Center Text
+
+	"Infect countdown"
+	{
+		"en"		"First infection in {1} seconds."
+	}
+
 	// Menu
 
 	"Infect menu clients title"

cstrike/addons/sourcemod/translations/no/zombiereloaded.phrases.txt

@@ -357,6 +357,13 @@
 		"no"		"Den siste zombien har forlatt spillet. Du er blitt valgt som erstatning."
 	}
 
+	// Center Text
+
+	"Infect countdown"
+	{
+		"en"		"Første infeksjon om {1} sekunder."
+	}
+
 	// Menu
 
 	"Infect menu clients title"

cstrike/addons/sourcemod/translations/ru/zombiereloaded.phrases.txt

@@ -358,6 +358,13 @@
 		"ru"		"Последний зомби покинул игру, поэтому вам досталась его инфекция."
 	}
 
+	// Center Text
+
+	"Infect countdown"
+	{
+		"en"		"First infection in {1} seconds."
+	}
+
 	// Menu
 
 	"Infect menu clients title"

cstrike/addons/sourcemod/translations/zombiereloaded.phrases.txt

@@ -372,6 +372,14 @@
 		"en"		"The last zombie has left the game, and has passed the infection on to you."
 	}
 
+	// Center Text
+
+	"Infect countdown"
+	{
+		"#format"	"{1:d}"
+		"en"		"First infection in {1} seconds."
+	}
+
 	// Menu
 
 	"Infect menu clients title"

cstrike/cfg/sourcemod/zombiereloaded/zombiereloaded.cfg

@@ -289,6 +289,10 @@ zr_hitgroups "1"
 // Default: "5"
 zr_infect_mzombie_ratio "5"
 
+// Counts down to the first infection of the round.  The counter is displayed in the middle of the screen.
+// Default: "0"
+zr_infect_mzombie_countdown "0"
+
 // Teleport mother zombies back to spawn on infect.
 // Default: "0"
 zr_infect_mzombie_respawn "0"

docs/zr_manual.htm

@@ -2570,6 +2570,19 @@ tune game balance.</p>
 		</td>
 	</tr>
 	
+	<tr>
+		<td class="commandheader">zr_infect_mzombie_countdown</td>
+		<td class="commandheader">0</td>
+	</tr>
+	<tr>
+		<td class="indent" colspan="2">
+			<p>Counts down to the first infection of the round. The counter is
+			displayed in the middle of the screen.</p>
+			<p>Options:<br />
+			0 or 1</p>
+		</td>
+	</tr>
+	
 	<tr>
 		<td class="commandheader">zr_infect_mzombie_respawn</td>
 		<td class="commandheader">0</td>

src/zr/cvars.inc

@@ -100,6 +100,7 @@ enum CvarsList
     Handle:CVAR_INFECT_CONSECUTIVE_BLOCK,
     Handle:CVAR_INFECT_WEAPONS_DROP,
     Handle:CVAR_INFECT_MZOMBIE_RATIO,
+    Handle:CVAR_INFECT_MZOMBIE_COUNTDOWN,
     Handle:CVAR_INFECT_MZOMBIE_RESPAWN,
     Handle:CVAR_INFECT_EXPLOSION,
     Handle:CVAR_INFECT_FIREBALL,
@@ -316,6 +317,7 @@ CvarsCreate()
     
     // General
     g_hCvarsList[CVAR_INFECT_MZOMBIE_RATIO]             =    CreateConVar("zr_infect_mzombie_ratio",        "5",                                "Number of mother zombies to infect (when infect timer is up) in proportion to number of humans on the server.");
+    g_hCvarsList[CVAR_INFECT_MZOMBIE_COUNTDOWN]         =    CreateConVar("zr_infect_mzombie_countdown",    "0",                                "Counts down to the first infection of the round.  Countdown is printed in the middle of the client's screen.");
     g_hCvarsList[CVAR_INFECT_MZOMBIE_RESPAWN]           =    CreateConVar("zr_infect_mzombie_respawn",      "0",                                "Teleport mother zombies back to spawn on infect.");
     g_hCvarsList[CVAR_INFECT_SPAWNTIME_MIN]             =    CreateConVar("zr_infect_spawntime_min",        "30.0",                             "Minimum time from the start of the round until picking the mother zombie(s).");
     g_hCvarsList[CVAR_INFECT_SPAWNTIME_MAX]             =    CreateConVar("zr_infect_spawntime_max",        "50.0",                             "Maximum time from the start of the round until picking the mother zombie(s).");

src/zr/infect.inc

@@ -46,9 +46,13 @@
  */
 
 /**
- * Global variable to store infect timer handle.
+ * @section Global variables to store infect timer handles.
  */
 new Handle:tInfect = INVALID_HANDLE;
+new Handle:tInfectCountdown = INVALID_HANDLE;
+/**
+ * @endsection
+ */
 
 /**
  * Array for flagging client as zombie.
@@ -74,8 +78,9 @@ new bool:bInfectImmune[MAXPLAYERS + 1][2];
  */
 InfectOnMapStart()
 {
-    // Reset timer handle.
-    tInfect = INVALID_HANDLE;
+    // Stop timers if running.
+    ZREndTimer(tInfect);
+    ZREndTimer(tInfectCountdown);
 }
 
 /**
@@ -336,15 +341,9 @@ InfectOnClientHurt(client, attacker, const String:weapon[])
  */
 InfectOnRoundStart()
 {
-    // If infect timer is running, then kill it.
-    if (tInfect != INVALID_HANDLE)
-    {
-        // Kill timer.
-        KillTimer(tInfect);
-        
-        // Reset timer handle.
-        tInfect = INVALID_HANDLE;
-    }
+    // Stop infect timers if running.
+    ZREndTimer(tInfect);
+    ZREndTimer(tInfectCountdown);
     
     // Tell plugin there are no zombies.
     g_bZombieSpawned = false;
@@ -355,12 +354,9 @@ InfectOnRoundStart()
  */
 InfectOnRoundFreezeEnd()
 {
-    // If infect timer is running, then kill it.
-    if (tInfect != INVALID_HANDLE)
-    {
-        // Kill timer.
-        KillTimer(tInfect);
-    }
+    // Stop infect timers if running.
+    ZREndTimer(tInfect);
+    ZREndTimer(tInfectCountdown);
     
     // If the zombie has spawned already (had to be through admin) then stop.
     if (g_bZombieSpawned)
@@ -375,7 +371,24 @@ InfectOnRoundFreezeEnd()
     // Pick random time between min and max.
     new Float:randomtime = GetRandomFloat(infectspawntimemin, infectspawntimemax);
     
+    // Round to the nearest whole number (and convert back to a float) so the countdown is synched with it.
+    float(RoundToNearest(randomtime));
+    
     tInfect = CreateTimer(randomtime, InfectMotherZombie, _, TIMER_FLAG_NO_MAPCHANGE);
+    
+    // Check cvar and start a countdown timer if enabled.
+    new bool:countdown = GetConVarBool(g_hCvarsList[CVAR_INFECT_MZOMBIE_COUNTDOWN]);
+    if (countdown)
+    {
+        // Store the time until infection, and initialize the counter.
+        new Handle:hCountdownData = CreateDataPack();
+        WritePackFloat(hCountdownData, randomtime);
+        WritePackFloat(hCountdownData, 0.0);
+        tInfectCountdown = CreateTimer(1.0, InfectCountdown, hCountdownData, TIMER_REPEAT | TIMER_FLAG_NO_MAPCHANGE);
+        
+        // Display initial tick.
+        InfectCountdown(tInfectCountdown, hCountdownData);
+    }
 }
 
 /**
@@ -551,6 +564,49 @@ public Action:InfectMotherZombie(Handle:timer)
     CloseHandle(arrayEligibleClients);
 }
 
+/**
+ * Timer callback, displays countdown to clients.
+ * 
+ * @param timer     The timer handle.  
+ */ 
+public Action:InfectCountdown(Handle:timer, Handle:hCountdownData)
+{
+    new bool:countdown = GetConVarBool(g_hCvarsList[CVAR_INFECT_MZOMBIE_COUNTDOWN]);
+    if (!countdown)
+    {
+        // Kill the timer.
+        ZREndTimer(tInfectCountdown, false);
+        CloseHandle(hCountdownData);
+        return Plugin_Stop;
+    }
+    
+    // Read the info from the datapack.
+    ResetPack(hCountdownData);
+    new Float:length = ReadPackFloat(hCountdownData);
+    new Float:counter = ReadPackFloat(hCountdownData);
+    
+    // Check if the countdown has finished.
+    if (counter >= length)
+    {
+        // Kill timer.
+        ZREndTimer(tInfectCountdown, false);
+        CloseHandle(hCountdownData);
+        return Plugin_Stop;
+    }
+    
+    // Print the countdown text to the clients.
+    TranslationPrintCenterTextAll(false, "Infect countdown", RoundToNearest(length - counter));
+    
+    counter++;
+    
+    // Write the new counter value to the datapack.
+    ResetPack(hCountdownData);
+    WritePackFloat(hCountdownData, length);
+    WritePackFloat(hCountdownData, counter);
+    
+    return Plugin_Continue;
+}
+
 /**
  * Infects a client. Execute events, sets attributes and flags that indicate
  * that the client is a zombie.

src/zr/translation.inc

@@ -274,6 +274,46 @@ stock TranslationPrintCenterText(client, any:...)
     PrintCenterText(client, translation);
 }
 
+/**
+ * Print center text to all clients. (with style)
+ * 
+ * @param client    The client index.
+ * @param ...       Translation formatting parameters.  
+ */
+stock TranslationPrintCenterTextAll(bool:admin, any:...)
+{
+    for (new client = 1; client <= MaxClients; client++)
+    {
+        // Skip clients not in game.
+        if (!IsClientInGame(client))
+        {
+            continue;
+        }
+        
+        // Skip clients who haven't selected a team yet (team menu open).
+        if (GetClientTeam(client) == CS_TEAM_NONE)
+        {
+            continue;
+        }
+        
+        // Skip non-admins if only printing to admins.
+        if (admin && !ZRIsClientAdmin(client))
+        {
+            continue;
+        }
+        
+        // Set translation target
+        SetGlobalTransTarget(client);
+        
+        // Translate phrase.
+        decl String:translation[TRANSLATION_MAX_LENGTH_CHAT];
+        VFormat(translation, sizeof(translation), "%t", 2);
+        
+        // Print translated phrase to client.
+        PrintCenterText(client, translation);
+    }
+}
+
 /**
  * Print HUD text to client. (with style)
  *