Game Maker codings anyone knows of?

[ZeldaClassicEXPERT]

Code:

if ( hspeed> 0 && x < other.x )
{
  move_contact_all(direction,12);
  hspeed = 0;
}
if ( vspeed> 0 && y < other.y )
{
  move_contact_solid(direction,12);
  vspeed = 0;
}
if ( vspeed< 0 && y > other.y )
{
  move_contact_solid(direction,12);
  vspeed = 0;
}
if ( hspeed< 0 && x > other.x )
{
  move_contact_all(direction,12);
  hspeed = 0;
}