forgot what i updated again but looks good on ze now. the random extend vote should hopefully not happen anymore when not intended. the mp_chattime stuff was moved to pluginstart, mapstart and mapend and seems to let the vote run fine now instead of switching map

mapchooser_extended/scripting/mapchooser_extended_avg_mapend.sp

@@ -430,6 +430,10 @@ public void OnPluginStart()
 
 
     InternalRestoreMapCooldowns();
+
+
+    int total_time = (GetConVarInt(g_Cvar_VoteDuration) * 2) + GetConVarInt(g_Cvar_WarningTime) + 10;
+    ServerCommand("sm_cvar mp_chattime %i", total_time); //prevents map switching supposedly.
 }
 
 public void Cvar_playerExcludeSpec(ConVar convar, const char[] oldValue, const char[] newValue)
@@ -490,6 +494,8 @@ public APLRes AskPluginLoad2(Handle myself, bool late, char[] error, int err_max
 
 public void OnMapStart()
 {
+    int total_time = (GetConVarInt(g_Cvar_VoteDuration) * 2) + GetConVarInt(g_Cvar_WarningTime) + 10;
+    ServerCommand("sm_cvar mp_chattime %i", total_time); //prevents map switching supposedly.
     g_DidRoundTerminate = false;
     g_IniatedLastVote = false;
     g_DidNotExtend = false;
@@ -589,6 +595,9 @@ public void OnConfigsExecuted()
 
 public void OnMapEnd()
 {
+    int total_time = (GetConVarInt(g_Cvar_VoteDuration) * 2) + GetConVarInt(g_Cvar_WarningTime) + 10;
+    ServerCommand("sm_cvar mp_chattime %i", total_time);
+
     g_DidNotExtend = false;
     ServerCommand("sm_cvar sm_vote_progress_hintbox 1"); //yeah its cheesy but does the job.
     g_iInterval = 0;
@@ -820,6 +829,13 @@ public Action Timer_StartWarningTimer(Handle timer)
 {
     g_VoteTimer = INVALID_HANDLE;
 
+    int timeleft;
+    GetMapTimeLeft(timeleft);
+    if (timeleft <= 0 && !g_ChangeMapAtRoundEnd) //somehow a random vote might get triggered. this should prevent it
+    {
+        return Plugin_Stop;
+    }
+
     if(!g_WarningInProgress || g_WarningTimer == INVALID_HANDLE)
     {
         if (!g_IniatedLastVote)
@@ -959,19 +975,34 @@ public Action CS_OnTerminateRound(float &delay, CSRoundEndReason &reason)
         g_DidRoundTerminate = true;
         return Plugin_Handled; //it keeps retriggering this Action.
     }
+    if (g_IniatedLastVote)
+    {
+        return Plugin_Handled; //just extra safety check
+    }
     if (timeleft <= 0 && !g_ChangeMapAtRoundEnd)
     {
+        int total_time = (GetConVarInt(g_Cvar_VoteDuration) * 2) + GetConVarInt(g_Cvar_WarningTime) + 10;
         if (!g_IniatedLastVote)
         {
             g_IniatedLastVote = true;
+            CreateTimer(float(total_time + 10), Timer_fall_back_map_switch, INVALID_HANDLE, TIMER_FLAG_NO_MAPCHANGE); 
+            //sometimes it will simply happen that theres a mapvote where nobody votes anything. 
+            //have to prevent server from being stuck in those situations with this timer.
             InitiateVote(MapChange_Instant); //feature so mapvote happens at actual mapend
         }
-        return Plugin_Handled;
+        delay = float(total_time);
+        return Plugin_Changed;
     }
     g_DidRoundTerminate = false;
     return Plugin_Continue;
 }
 
+public Action Timer_fall_back_map_switch(Handle hTimer, Handle dp)
+{
+   ForceChangeLevel("ze_random_v9", "nobody voted at mapvote");
+   return Plugin_Handled;
+}
+
 /* You ask, why don't you just use team_score event? And I answer... Because CSS doesn't. */
 public void Event_RoundEnd(Handle event, const char[] name, bool dontBroadcast)
 {
@@ -2351,6 +2382,12 @@ public int Native_InitiateVote(Handle plugin, int numParams)
 
     LogAction(-1, -1, "Starting map vote because outside request");
 
+    int timeleft;
+    GetMapTimeLeft(timeleft);
+    if (timeleft <= 0 && !g_ChangeMapAtRoundEnd) //somehow a random vote might get triggered. this should prevent it
+    {
+        return 0;
+    }
     if (!g_IniatedLastVote)
     {
         SetupWarningTimer(WarningType_Vote, when, inputarray);