Add mp_show_hintmessages cvar to block hint messages server-side

Allows servers to suppress all Hint_* messages (HintMessageEx queue)
without a plugin. Default 1 keeps vanilla behavior.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: belomaxorka

README.md

@@ -74,6 +74,7 @@ This means that plugins that do binary code analysis (Orpheu for example) probab
 | mp_show_radioicon                  | 1       | 0   | 1            | Show radio icon.<br/>`0` disabled<br/>`1` enabled |
 | mp_show_scenarioicon               | 0       | 0   | 1            | Show scenario icon in HUD such as count of alive hostages or ticking bomb.<br/>`0` disabled<br/>`1` enabled |
 | mp_show_bomb_timer                 | 0       | 0   | 1            | Show the time until the planted bomb explodes on the HUD round timer.<br/>`0` disabled<br/>`1` enabled (when the bomb is planted, the round timer shows the C4 countdown) |
+| mp_show_hintmessages               | 1       | 0   | 1            | Send hint messages (Hint_*) to clients.<br/>`0` disabled (hints are blocked server-side)<br/>`1` enabled |
 | mp_old_bomb_defused_sound          | 1       | 0   | 1            | Play "Bomb has been defused" sound instead of "Counter-Terrorists win" when bomb was defused<br/>`0` disabled<br/>`1` enabled |
 | showtriggers                       | 0       | 0   | 1            | Debug cvar shows triggers. |
 | sv_alltalk                         | 0       | 0   | 5            | 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.<br/>`5` alive hear alive teammates, dead hear dead and alive.

dist/game.cfg

@@ -206,6 +206,13 @@ mp_show_scenarioicon "0"
 // Default value: "0"
 mp_show_bomb_timer "0"
 
+// Send hint messages (Hint_*) to clients.
+// 0 - disabled (hints are blocked server-side)
+// 1 - enabled (default behavior)
+//
+// Default value: "1"
+mp_show_hintmessages "1"
+
 // Play "Bomb has been defused" sound instead of "Counter-Terrorists win" when bomb was defused
 // 0 - disabled (default behavior)
 // 1 - enabled

regamedll/dlls/game.cpp

@@ -128,6 +128,7 @@ cvar_t roundover                    = { "mp_roundover", "0", FCVAR_SERVER, 0.0f,
 cvar_t forcerespawn                 = { "mp_forcerespawn", "0", FCVAR_SERVER, 0.0f, nullptr };
 cvar_t show_radioicon               = { "mp_show_radioicon", "1", 0, 1.0f, nullptr };
 cvar_t show_scenarioicon            = { "mp_show_scenarioicon", "0", FCVAR_SERVER, 0.0f, nullptr };
+cvar_t show_hintmessages            = { "mp_show_hintmessages", "1", 0, 1.0f, nullptr };
 cvar_t old_bomb_defused_sound       = { "mp_old_bomb_defused_sound", "1", 0, 1.0f, nullptr };
 cvar_t item_staytime                = { "mp_item_staytime", "300", FCVAR_SERVER, 300.0f, nullptr };
 cvar_t legacy_bombtarget_touch      = { "mp_legacy_bombtarget_touch", "1", 0, 1.0f, nullptr };
@@ -417,6 +418,7 @@ void EXT_FUNC GameDLLInit()
 		CVAR_REGISTER(&show_scenarioicon);
 	}
 
+	CVAR_REGISTER(&show_hintmessages);
 	CVAR_REGISTER(&old_bomb_defused_sound);
 	CVAR_REGISTER(&item_staytime);
 	CVAR_REGISTER(&legacy_bombtarget_touch);

regamedll/dlls/game.h

@@ -157,6 +157,7 @@ extern cvar_t roundover;
 extern cvar_t forcerespawn;
 extern cvar_t show_radioicon;
 extern cvar_t show_scenarioicon;
+extern cvar_t show_hintmessages;
 extern cvar_t old_bomb_defused_sound;
 extern cvar_t item_staytime;
 extern cvar_t legacy_bombtarget_touch;

regamedll/dlls/player.cpp

@@ -8108,6 +8108,11 @@ LINK_HOOK_CLASS_CHAIN(bool, CBasePlayer, HintMessageEx, (const char *pMessage, f
 
 bool EXT_FUNC CBasePlayer::__API_HOOK(HintMessageEx)(const char *pMessage, float duration, bool bDisplayIfPlayerDead, bool bOverride)
 {
+#ifdef REGAMEDLL_ADD
+	if (show_hintmessages.value == 0.0f)
+		return false;
+#endif
+
 	if (!bDisplayIfPlayerDead && !IsAlive())
 		return false;