[Khelif]

1)Yes
2)You can use SetPlayerMarkerForPlayer function.

Make player 42 see player 1 as a red marker

Код:

SetPlayerMarkerForPlayer( 42,1,0xFF0000FF );

Make the players marker an invisible white (chat will be white but marker will be gone).

Код:

SetPlayerMarkerForPlayer( 42, 1, 0xFFFFFF00 );

Transparent color:

Код:

0xFFFFFF00

Make the players marker invisible to the player while keeping chat colour the same. Will only work correctly if SetPlayerColor has been used:

Код:

SetPlayerMarkerForPlayer( 42, 1, ( GetPlayerColor( 1 ) & 0xFFFFFF00 ) );