[PinkFloydLover]

Use dcmd and sscanf.

The disabling chat is easy.
create a variable:

Код:

new ChatDisabled = 0;

Then create a command, inside that command assign the ChatDisabled var to 1:

pawn Код:

dcmd_disablechat(playerid,params[])
{
    if(ChatDisabled == 0)
    {
        ChatDisabled = 1;
    }
    else
    {
        ChatDisabled = 0;    
    }
    return 1;
}

then under OnPlayerText put:

pawn Код:

if(ChatDisabled == 1) return 0;

That's a simple command for turning off and on chat.