void Grass( Player player, Command cmd ) {
if( player.mode == BlockPlacementMode.Grass ) {
player.mode = BlockPlacementMode.Normal;
player.Message( "Grass: OFF" );
} else if( player.Can( Permissions.PlaceGrass ) ) {
player.mode = BlockPlacementMode.Grass;
player.Message( "Grass: ON. Dirt blocks are replaced with grass." );
} else {
world.NoAccessMessage( player );
}
}