actor HeadshotZombie : Zombieman replaces Zombieman {
    states {
    Spawn:
        TNT1 A 0 NoDelay A_SpawnItemEx ("HeadshotHitbox", 0, 0, 45, 0, 0, 0, 0, SXF_SetMaster)
        goto Super::Spawn
    Death.Headshot:
        POSS HHHHH 0 A_SpawnItemEx ("Blood", 0, 0, 45, frandom (-2.0, 2.0), frandom (-2.0, 2.0), frandom (1.5, 5.0))
        POSS H 2
        POSS I 2 A_Scream
        POSS J 2
        POSS K 2
        POSS L -1 A_NoBlocking
        stop
    }
}

actor HeadshotHitbox {
    radius 21
    health 0x7FFFFFFF
    height 8
    mass 0x7FFFFFFF
    renderStyle Add
    //alpha 0.0
    damageFactor Explode, 0.0
    damageFactor Drowning, 0.0
    damageFactor BFGSplash, 0.0
    damageFactor Telefrag, 0.0
    damageFactor Massacre, 0.0
    damageFactor InstantDeath, 0.0
    +shootable +noGravity +noDamageThrust

    var int user_oldHealth;
    states {
    Spawn:
        BAL2 A 0
        BAL2 A 0 A_SetUserVar ("user_oldHealth", health)
        BAL2 A 1 A_Warp (AAPTR_Master, 0, 0, 45, 0, WARPF_Interpolate | WARPF_NoCheckPosition)
        BAL2 A 0 A_JumpIf ((user_oldHealth - health) < 1, "CheckMaster")
        BAL2 A 0 A_DamageMaster ((user_oldHealth - health) * 4, "Headshot")
    CheckMaster:
        BAL2 A 0 A_CheckFlag ("solid", "Spawn", AAPTR_Master)
    RemoveActor:
        BAL2 A 1
        stop
    }
}