engine: server: add sv_allow_autoaim cvar

engine/server/server.h

@@ -472,6 +472,8 @@ extern convar_t		sv_userinfo_penalty_multiplier;
 extern convar_t		sv_userinfo_penalty_attempts;
 extern convar_t		sv_fullupdate_penalty_time;
 extern convar_t		sv_log_outofband;
+extern convar_t		sv_allow_autoaim;
+extern convar_t		sv_aim;
 
 //===========================================================
 //

engine/server/sv_game.c

@@ -2385,7 +2385,9 @@ static void GAME_EXPORT pfnGetAimVector( edict_t* ent, float speed, float *rgflR
 
 	// try all possible entities
 	VectorCopy( svgame.globals->v_forward, bestdir );
-	bestdist = Cvar_VariableValue( "sv_aim" );
+	if( sv_allow_autoaim.value )
+		bestdist = sv_aim.value;
+	else bestdist = 0;
 
 	check = EDICT_NUM( 1 ); // start at first client
 	for( i = 1; i < svgame.numEntities; i++, check++ )

engine/server/sv_main.c

@@ -23,6 +23,7 @@ CVAR_DEFINE_AUTO( sv_lan, "0", 0, "server is a lan server ( no heartbeat, no aut
 CVAR_DEFINE_AUTO( sv_lan_rate, "20000.0", 0, "rate for lan server" );
 CVAR_DEFINE_AUTO( sv_nat, "0", 0, "enable NAT bypass for this server" );
 CVAR_DEFINE_AUTO( sv_aim, "1", FCVAR_ARCHIVE|FCVAR_SERVER, "auto aiming option" );
+CVAR_DEFINE_AUTO( sv_allow_autoaim, "0", FCVAR_ARCHIVE|FCVAR_SERVER, "auto aiming option (for HL25 compatibility)" );
 CVAR_DEFINE_AUTO( sv_unlag, "1", 0, "allow lag compensation on server-side" );
 CVAR_DEFINE_AUTO( sv_maxunlag, "0.5", 0, "max latency value which can be interpolated (by default ping should not exceed 500 units)" );
 CVAR_DEFINE_AUTO( sv_unlagpush, "0.0", 0, "interpolation bias for unlag time" );
@@ -885,6 +886,7 @@ void SV_Init( void )
 	Cvar_RegisterVariable( &sv_fps );
 	Cvar_RegisterVariable( &showtriggers );
 	Cvar_RegisterVariable( &sv_aim );
+	Cvar_RegisterVariable( &sv_allow_autoaim );
 	Cvar_RegisterVariable( &deathmatch );
 	Cvar_RegisterVariable( &coop );
 	Cvar_RegisterVariable( &teamplay );