Add mp_hostage_fear cvar to control improved hostage AI fear reactions

README.md

@@ -70,6 +70,7 @@ This means that plugins that do binary code analysis (Orpheu for example) probab
 | mp_timelimit                       | 0       | -   | -            | Period between map rotations.<br />`0` means no limit |
 | mp_forcerespawn                    | 0       | 0   | -            | Players will automatically respawn when killed.<br/>`0` disabled<br/>`>0.00001` time delay to respawn |
 | 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_hostage_fear                    | 1       | 0   | 1            | The hostages with improved AI (`hostage_ai_enable 1`) get scared of gunfire, explosions and nearby deaths.<br/>`0` disabled (hostages stay calm)<br/>`1` enabled |
 | 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_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 |

dist/game.cfg

@@ -177,6 +177,14 @@ mp_forcerespawn "0"
 // Default value: "1"
 mp_hostage_hurtable "1"
 
+// The hostages with improved AI (hostage_ai_enable 1)
+// get scared of gunfire, explosions and nearby deaths.
+// 0 - disabled (hostages stay calm)
+// 1 - enabled (default behaviour)
+//
+// Default value: "1"
+mp_hostage_fear "1"
+
 // Show radio icon.
 // 0 - disabled
 // 1 - enabled (default behavior)

regamedll/dlls/game.cpp

@@ -123,6 +123,7 @@ cvar_t round_restart_delay   = { "mp_round_restart_delay", "5", FCVAR_SERVER, 0.
 cvar_t showtriggers          = { "showtriggers", "0", 0, 0.0f, nullptr }; // debug cvar shows triggers
                                                                           // TODO: Maybe it's better to register in the engine?
 cvar_t hostagehurtable              = { "mp_hostage_hurtable", "1", FCVAR_SERVER, 1.0f, nullptr };
+cvar_t hostagefear                  = { "mp_hostage_fear", "1", FCVAR_SERVER, 1.0f, nullptr };
 cvar_t roundover                    = { "mp_roundover", "0", FCVAR_SERVER, 0.0f, nullptr };
 cvar_t forcerespawn                 = { "mp_forcerespawn", "0", FCVAR_SERVER, 0.0f, nullptr };
 cvar_t show_radioicon               = { "mp_show_radioicon", "1", 0, 1.0f, nullptr };
@@ -403,6 +404,7 @@ void EXT_FUNC GameDLLInit()
 
 	CVAR_REGISTER(&showtriggers);
 	CVAR_REGISTER(&hostagehurtable);
+	CVAR_REGISTER(&hostagefear);
 	CVAR_REGISTER(&roundover);
 	CVAR_REGISTER(&forcerespawn);
 	CVAR_REGISTER(&show_radioicon);

regamedll/dlls/game.h

@@ -152,6 +152,7 @@ extern cvar_t round_restart_delay;
 
 extern cvar_t showtriggers;
 extern cvar_t hostagehurtable;
+extern cvar_t hostagefear;
 extern cvar_t roundover;
 extern cvar_t forcerespawn;
 extern cvar_t show_radioicon;

regamedll/dlls/hostage/hostage_improv.cpp

@@ -1560,6 +1560,12 @@ bool CHostageImprov::IsScared() const
 
 void CHostageImprov::Frighten(ScareType scare)
 {
+#ifdef REGAMEDLL_ADD
+	// keep hostages calm, they won't get scared of gunfire, explosions or nearby deaths
+	if (hostagefear.value <= 0.0f)
+		return;
+#endif
+
 	const float ignoreTime = 10.0f;
 
 	if (!IsScared())