int DET_DELAY = 15;
bool FIRST_RUN = true;
int TIMER = 0;
string BLOCK_NAME = "MISSILE_TIP";
bool DEBUG = true;

public Program(){
    Runtime.UpdateFrequency = UpdateFrequency.Once;
}

public void Main()
{
    IMyTerminalBlock missileTip = null;
    missileTip = GridTerminalSystem.GetBlockWithName(BLOCK_NAME);
    if (DEBUG){
        Echo("----DEBUG MODE: ON----\n");
        Echo("TIMER: " + TIMER);
        Echo("FIRST RUN?: " + FIRST_RUN);
        Echo("DETONATION DELAY: " + DET_DELAY);
    }
    if (FIRST_RUN){
        if (missileTip == null){
            Echo("ERR: No missile tip found, restart program.");
            Runtime.UpdateFrequency = UpdateFrequency.None;
            return;
        }
        FIRST_RUN = false;
        Runtime.UpdateFrequency = UpdateFrequency.Update1;
    }

    if(((missileTip == null) || (CurrentDamage(missileTip)) < 1)){
        if (TIMER == DET_DELAY){
            ArmDetonate();
        } else {
            Wait(DET_DELAY);
        }
    }
}

public float CurrentDamage(IMyTerminalBlock block){
    IMySlimBlock slimblock = block.CubeGrid.GetCubeBlock(block.Position);
    float MaxIntegrity = slimblock.MaxIntegrity;
    float BuildIntegrity = slimblock.BuildIntegrity;
    float CurrentDamage = slimblock.CurrentDamage;
    float Damage = (BuildIntegrity - CurrentDamage) / MaxIntegrity;
    if (DEBUG){
        float Damage2 = Damage * 100;
        Echo("MISSILE HP:" + Damage2.ToString());
    }
    return Damage;
}

public void Wait(int DET_DELAY_W){
    if (TIMER == DET_DELAY_W){
        ArmDetonate();
    } else {
        TIMER++;
    }
}

public void ArmDetonate(){
    List<IMyWarhead> warheads = new List<IMyWarhead>();
    GridTerminalSystem.GetBlocksOfType(warheads);

    for (int i = 0; i < warheads.Count; i++){
        IMyWarhead warhead = warheads[i];
        warhead.ApplyAction("Safety");
    }

    for (int i = 0; i < warheads.Count; i++){
        IMyWarhead warhead = warheads[i];
        warhead.ApplyAction("Detonate");
    }
}