Add locational voice chat range cut-off setting

CHANGELOG.md

@@ -19,6 +19,7 @@ All notable changes to TTT2 will be documented here. Inspired by [keep a changel
 - Added `TTT2CanTakeCredits` hook for overriding whether a player is allowed to take credits from a given corpse. (by @Spanospy)
 - Disabled locational voice during the preparing phase by default
   - Added a ConVar `ttt_locational_voice_prep` to reenable it
+- Added `ttt_locational_voice_range` to set a cut-off radius for the locational voice chat range 
 
 ### Changed
 

gamemodes/terrortown/gamemode/server/sv_voice.lua

@@ -35,6 +35,13 @@ local loc_voice = CreateConVar("ttt_locational_voice", "0", {FCVAR_NOTIFY, FCVAR
 -- stylua: ignore
 local loc_voice_prep = CreateConVar("ttt_locational_voice_prep", "0", {FCVAR_NOTIFY, FCVAR_ARCHIVE})
 
+---
+-- @realm server
+-- stylua: ignore
+local loc_voice_range = CreateConVar("ttt_locational_voice_range", "0", { FCVAR_NOTIFY, FCVAR_ARCHIVE })
+
+local loc_voice_range_sq = loc_voice_range:GetInt() ^ 2
+
 hook.Add("TTT2SyncGlobals", "AddVoiceGlobals", function()
     SetGlobalBool(sv_voiceenable:GetName(), sv_voiceenable:GetBool())
     SetGlobalBool(loc_voice:GetName(), loc_voice:GetBool())
@@ -48,6 +55,10 @@ cvars.AddChangeCallback(loc_voice:GetName(), function(cv, old, new)
     SetGlobalBool(loc_voice:GetName(), tobool(tonumber(new)))
 end)
 
+cvars.AddChangeCallback(loc_voice_range:GetName(), function(cv, old, new)
+    loc_voice_range_sq = tonumber(new) ^ 2
+end)
+
 local function LocationalVoiceIsActive(roundState)
     return loc_voice:GetBool()
         and roundState ~= ROUND_POST
@@ -148,12 +159,24 @@ function GM:PlayerCanHearPlayersVoice(listener, speaker)
 
     if speaker:IsSpec() and isGlobalVoice then
         -- Check that the speaker was not previously sending voice on the team chat
-        return PlayerCanHearSpectator(listener, speaker, roundState)
+        can_hear, is_locational = PlayerCanHearSpectator(listener, speaker, roundState)
     elseif isGlobalVoice then
-        return PlayerCanHearGlobal(roundState)
+        can_hear, is_locational = PlayerCanHearGlobal(roundState)
     else
-        return PlayerCanHearTeam(listener, speaker, speakerTeam)
+        can_hear, is_locational = PlayerCanHearTeam(listener, speaker, speakerTeam)
+    end
+
+    -- If the listener is too far away from the speaker, they can't hear them at all
+    if
+        can_hear
+        and is_locational
+        and loc_voice_range_sq > 0
+        and listener:GetPos():DistToSqr(speaker:GetPos()) > loc_voice_range_sq
+    then
+        can_hear = false
     end
+
+    return can_hear, is_locational
 end
 
 ---

lua/terrortown/lang/de.lua

@@ -1669,6 +1669,7 @@ L.label_voice_drain_admin = "Entladung pro Tick für Admins und öffentliche Ord
 L.label_voice_drain_recharge = "Aufladungsrate pro Tick wenn nicht gesprochen wird"
 L.label_locational_voice = "Aktiviere Proximity Sprachchat für lebende Spieler"
 L.label_locational_voice_prep = "Aktiviere Proximity Sprachchat während der Vorbereitungszeit"
+L.label_locational_voice_range = "Proximity Sprachchat Reichweite"
 L.label_armor_on_spawn = "Spielerrüstung beim (Neu-)Spawnen"
 L.label_prep_respawn = "Aktiviere automatischen Respawn während der Vorbereitungszeit"
 L.label_preptime_seconds = "Vorbereitungszeit in Sekunden"

lua/terrortown/lang/en.lua

@@ -1669,6 +1669,7 @@ L.label_voice_drain_admin = "Drain per tick for admins and public policing roles
 L.label_voice_drain_recharge = "Recharge rate per tick of not voice chatting"
 L.label_locational_voice = "Enable proximity voice chat for living players"
 L.label_locational_voice_prep = "Enable proximity voice chat during preparing phase"
+L.label_locational_voice_range = "Proximity voice chat range"
 L.label_armor_on_spawn = "Player armor on (re-)spawn"
 L.label_prep_respawn = "Enable instant respawn during preparing phase"
 L.label_preptime_seconds = "Preparing time in seconds"
@@ -2220,3 +2221,8 @@ L.help_locational_voice_prep = [[By default the proximity chat is disabled in th
 
 Note: Proximity chat is always disabled during the post round phase.]]
 L.help_voice_duck_spectator = "Ducking spectators makes other spectators quieter in comparison to living players. This can be useful if one wants to listen closely to the discussions of the living players."
+
+-- 2024-04-06
+L.help_locational_voice_range = [[This convar constrains the maximum range at which players can hear each other. It does not change how the volume decreases with distance but rather sets a hard cut-off point.
+
+Set to 0 to disable this cut-off.]]

lua/terrortown/menus/gamemode/administration/chat.lua

@@ -73,6 +73,20 @@ function CLGAMEMODESUBMENU:Populate(parent)
         master = enbLocVoice,
     })
 
+    form3:MakeHelp({
+        label = "help_locational_voice_range",
+        master = enbLocVoice,
+    })
+
+    form3:MakeSlider({
+        serverConvar = "ttt_locational_voice_range",
+        label = "label_locational_voice_range",
+        min = 0,
+        max = 3000,
+        decimal = 0,
+        master = enbLocVoice,
+    })
+
     local form4 = vgui.CreateTTT2Form(parent, "header_textchat")
 
     form4:MakeCheckBox({