Added the core of the modifying alltalk feature. WARNING: Untested (but compiles), the cvars to disable it have no effect, and it may be incomplete depending on some questions I have.

src/zr/cvars.inc

@@ -118,6 +118,8 @@ enum CvarsList
     Handle:CVAR_VEFFECTS_RAGDOLL_REMOVE,
     Handle:CVAR_VEFFECTS_RAGDOLL_DISSOLVE,
     Handle:CVAR_VEFFECTS_RAGDOLL_DELAY,
+    Handle:CVAR_VOICE,
+    Handle:CVAR_VOICE_ZOMBIES_MUTE,
     Handle:CVAR_SEFFECTS_MOAN,
     Handle:CVAR_SEFFECTS_GROAN,
     Handle:CVAR_SEFFECTS_DEATH,
@@ -376,6 +378,10 @@ CvarsCreate()
     // Sound Effects (module)
     // ===========================
     
+    // Voice
+    g_hCvarsList[CVAR_VOICE]                            =    CreateConVar("zr_voice",                   "1",                            "Modify sv_alltalk to obey zombie/human teams instead of t/ct.");
+    g_hCvarsList[CVAR_VOICE_ZOMBIES_MUTE]               =    CreateConVar("zr_voice_zombies_mute",      "0",                            "Only allow humans to communicate, block verbal zombie communication.");
+    
     // Zombie Sounds
     g_hCvarsList[CVAR_SEFFECTS_MOAN]                    =    CreateConVar("zr_seffects_moan",           "30.0",                         "Time between emission of a moan sound from a zombie.");
     g_hCvarsList[CVAR_SEFFECTS_GROAN]                   =    CreateConVar("zr_seffects_groan",          "5",                            "The probability that a groan sound will be emitted from a zombie when shot. ['100' = 1% chance | '50' = 2% chance | '1' = 100% chance]");

src/zr/event.inc

@@ -91,7 +91,7 @@ public Action:EventRoundStart(Handle:event, const String:name[], bool:dontBroadc
     VolOnRoundStart();
     
     // Fire post round_start event.
-    CreateTimer(0.0, EventRoundStartPost);
+    //CreateTimer(0.0, EventRoundStartPost);
 }
 
 /**
@@ -102,10 +102,10 @@ public Action:EventRoundStart(Handle:event, const String:name[], bool:dontBroadc
  * @param name      Name of the event.
  * @dontBroadcast   If true, event is broadcasted to all clients, false if not.
  */
-public Action:EventRoundStartPost(Handle:timer)
+//public Action:EventRoundStartPost(Handle:timer)
-{
+//{
     // Forward event to modules.
-}
+//}
 
 /**
  * Event callback (round_freeze_end)

src/zr/infect.inc

@@ -723,6 +723,9 @@ InfectZombieToHuman(client, bool:respawn = false, bool:protect = false)
     {
         SpawnProtectStart(client);
     }
+    
+    // Forward event to modules.
+    SEffectsOnClientHuman(client);
 }
 
 /**

src/zr/soundeffects/soundeffects.inc

@@ -35,6 +35,7 @@
  */
 #define SOUND_AMBIENT_CHANNEL 8
 
+#include "zr/soundeffects/voice"
 #include "zr/soundeffects/ambientsounds"
 #include "zr/soundeffects/zombiesounds"
 
@@ -94,6 +95,7 @@ SEffectsOnRoundEnd()
 SEffectsOnClientSpawn(client)
 {
     // Forward event to sub-modules.
+    VoiceOnClientSpawn(client);
     ZombieSoundsOnClientSpawn(client);
 }
 
@@ -138,9 +140,21 @@ SEffectsOnClientHurt(client)
 SEffectsOnClientInfected(client)
 {
     // Forward event to sub-modules.
+    VoiceOnClientInfected(client);
     ZombieSoundsOnClientInfected(client);
 }
 
+/**
+ * Client has been turned back human.
+ * 
+ * @param client    The client index.
+ */
+SEffectsOnClientHuman(client)
+{
+    // Forward event to sub-modules.
+    VoiceOnClientHuman(client);
+}
+
 /**
  * Emits an ambient sound
  * 

src/zr/soundeffects/voice.inc

@@ -25,6 +25,39 @@
  * ============================================================================
  */
 
+/**
+ * Client is spawning into the game.
+ * 
+ * @param client    The client index.
+ */
+VoiceOnClientSpawn(client)
+{
+    // Give client proper verbal permissions.
+    VoiceUpdateClient(client);
+}
+
+/**
+ * Client has been infected.
+ * 
+ * @param client    The client index.
+ */
+VoiceOnClientInfected(client)
+{
+    // Give client proper verbal permissions.
+    VoiceUpdateClient(client);
+}
+
+/**
+ * Client has been turned back human.
+ * 
+ * @param client    The client index.
+ */
+VoiceOnClientHuman(client)
+{
+    // Give client proper verbal permissions.
+    VoiceUpdateClient(client);
+}
+
 /**
  * Allow all clients to listen and speak with each other.
  */
@@ -59,3 +92,40 @@ stock VoiceAllTalk()
         }
     }
 }
+
+/**
+ * Set which team the client is allowed to listen/speak with.
+ * 
+ * @param client    The client index.
+ * @param zombie    True to permit verbal communication to zombies only, false for humans only.
+ */
+stock VoiceSetClientTeam(client, bool:zombie)
+{
+    // x = Client index.
+    for (new x = 1; x <= MaxClients; x++)
+    {
+        // If sender isn't in-game, then stop.
+        if (!IsClientInGame(x))
+        {
+            continue;
+        }
+        
+        // Client can only listen/speak if the sender is on their team.
+        new bool:canlisten = (zombie == InfectIsClientInfected(x));
+        
+        // (Dis)allow clients to listen/speak with each other.
+        SetClientListening(client, x, canlisten);
+        SetClientListening(x, client, canlisten);
+    }
+}
+
+/**
+ * Update a client's listening/speaking status.
+ * 
+ * @param client    The client index.
+ */
+stock VoiceUpdateClient(client)
+{
+    // Set the client's listening/speaking status to their current team.
+    VoiceSetClientTeam(client, InfectIsClientInfected(client));
+}