//the code
addHook("PlayerThink", function(player)
 player.charflags = $|SF_DASHMODE
    if player.dashmode >= 3*TICRATE then 
       player.powers[pw_strong] = STR_WALL|STR_PUNCH|STR_SPIKE
    elseif player.dashmode < 3*TICRATE then player.powers[pw_strong] = STR_NONE
  end
end)