Code:
#include < amxmodx >
#include < fakemeta >
public plugin_init( )
{
register_forward( FM_CmdStart , "fw_CmdStart" )
}
public fw_CmdStart( id , handle , seed )
{
if ( ( get_uc( handle , UC_Buttons ) & IN_JUMP ) && !( pev( id , pev_oldbuttons ) & IN_JUMP ) && ( pev( id , pev_flags ) & FL_ONGROUND ) )
{
// do something
}
}