variables:
    {%player%.maxenergy} = 500
    {%player%.energy} = 100
    {%player%.Eregen} = 1



on damage:
    set {_energy} to getecons(attacker's tool)
    if {%attacker%.energy} > {_energy}:
        remove {_energy} from {%attacker%.energy}
        set victim's invulnerability ticks to 1 tick
        set {_fd} to getAtk(attacker's tool)
        set {_x} to random number between -1 and 1
        set {_y} to random number between 0.5 and 1.5
        set {_z} to random number between -1 and 1
        create new hologram with line "&7%{_fd}%" that follows attacker offset by {_x}, {_y}, {_z} and store in {dmgholo.%unix timestamp of now%}
        message "damage!" to attacker
    else:
        cancel event
on join:
    give player iron sword with nbt "{baseatk:10}"

every 2 ticks:
    loop all players:
        set {_eg} to "|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||"
        set {_eper} to floor({%loop-player%.energy}/{%loop-player%.maxenergy}*100)
        set {_haveenergy} to the first ({_eper}) characters of {_eg}
        set {_leftenergy} to the first (99-{_eper}) characters of {_eg}
        send action bar with text "&e%{_haveenergy}%&r|&f%{_leftenergy}% %{_eper}%,%{%loop-player%.energy}%,%{%loop-player%.maxenergy}%" to loop-player
        add {%loop-player%.Eregen}/10 to {%loop-player%.energy} if {%loop-player%.maxenergy} > {%loop-player%.energy}



function getAtk(item: item) :: number:
    if {_item} is air:
        stop
    set {_num} to tag "baseatk" of nbt of {_item}
    return {_num}

function getecons(item: item) :: number:
    if {_item} is air:
        stop
    set {_num} to tag "energy" of nbt of {_item}
    return {_num}

command /weaponcreate <number> <number>:
    permission: skript.admin
    trigger:
        give player player's tool with nbt "{baseatk:%arg-1%,energy:%arg-2%}"

every 10 ticks:
    delete holo {dmgholo.%(unix timestamp of now)-1%}