Fourth sv_alltalk mode (#196)

* Add new mode for sv_alltalk

README.md

@@ -43,7 +43,7 @@ Archive's bin directory contains 2 subdirectories, 'bugfixed' and 'pure'
 | mp_hostage_hurtable           | 1       | 0   | 1            | The hostages can take damage.<br/>`0` disabled<br/>`1` from any team<br/>`2` only from `CT`<br/>`3` only from `T` |
 | mp_show_radioicon             | 1       | 0   | 1            | Show radio icon.<br/>`0` disabled<br/>`1` enabled |
 | showtriggers                  | 0       | 0   | 1            | Debug cvar shows triggers. |
-| sv_alltalk                    | 0       | 0   | 3            | When players can hear each other ([further explanation](../../wiki/sv_alltalk)).<br/>`0` dead don't hear alive<br/>`1` no restrictions<br/>`2` teammates hear each other<br/>`3` Same as 2, but spectators hear everybody
+| sv_alltalk                    | 0       | 0   | 4            | When players can hear each other ([further explanation](../../wiki/sv_alltalk)).<br/>`0` dead don't hear alive<br/>`1` no restrictions<br/>`2` teammates hear each other<br/>`3` Same as 2, but spectators hear everybody<br/>`4` alive hear alive, dead hear dead and alive.
 | bot_deathmatch                | 0       | 0   | 1            | Set's the mode for the zBot.<br/>`0` disabled<br/>`1` enable mode Deathmatch and not allow to do the scenario |
 | bot_quota_mode                | normal  | -   | -            | Determines the type of quota.<br/>`normal` default behaviour<br/>`fill` the server will adjust bots to keep `N` players in the game, where `N` is bot_quota |
 

dist/game.cfg

@@ -163,6 +163,7 @@ showtriggers 0
 // 1 - no restrictions
 // 2 - teammates hear each other
 // 3 - same as 2, but spectators hear everybody
+// 4 - alive hear alive, dead hear dead and alive.
 //
 // Default value: "0"
 sv_alltalk 0

regamedll/dlls/multiplay_gamerules.cpp

@@ -94,6 +94,8 @@ bool CCStrikeGameMgrHelper::CanPlayerHearPlayer(CBasePlayer *pListener, CBasePla
 		return (pListener->m_iTeam == pSender->m_iTeam);
 	case 3:
 		return (pListener->m_iTeam == pSender->m_iTeam || pListener->IsObserver());
+	case 4:
+		return (pListener->IsAlive() == pSender->IsAlive() || pSender->IsAlive());
 	default: // HLDS Behavior
 		break;
 	}