[xPaw]

Made this while ago.
Cvar: sv_fith_block

• 0 - Disabled
• 1 - Block radio
• 2 - Block message
• 3 - Both

#include < amxmodx >

enum _:CvarBits (<<=1) {
    BLOCK_RADIO = 1,
    BLOCK_MSG
};

new g_pCvar;

public plugin_init( ) {
    register_plugin( "'Fire in the hole' blocker", "1.0", "xPaw" );
    
    g_pCvar = register_cvar( "sv_fith_block", "3" );
    
    register_message( get_user_msgid( "TextMsg" ),   "MessageTextMsg" );
    register_message( get_user_msgid( "SendAudio" ), "MessageSendAudio" );
}

public MessageTextMsg( )
    return ( get_msg_args( ) == 5 && IsBlocked( BLOCK_MSG ) ) ? GetReturnValue( 5, "#Fire_in_the_hole" ) : PLUGIN_CONTINUE;

public MessageSendAudio( )
    return IsBlocked( BLOCK_RADIO ) ? GetReturnValue( 2, "%!MRAD_FIREINHOLE" ) : PLUGIN_CONTINUE;

GetReturnValue( const iParam, const szString[ ] ) {
    new szTemp[ 18 ];
    get_msg_arg_string( iParam, szTemp, 17 );
    
    return ( equal( szTemp, szString ) ) ? PLUGIN_HANDLED : PLUGIN_CONTINUE;
}

bool:IsBlocked( const iType ) {
    new iCvar = get_pcvar_num( g_pCvar );
    
    return bool:( iCvar & iType );
}