// Requires the SpeedrunTimer mod to be running
state("BONELAB_Steam_Windows64") {}
state("BONELAB_Oculus_Windows64") {}

startup {
  vars.Log = (Action<object>)(output => print("[BonelabSpeedrunTimer ASL] " + output));

  // See common/Bonelab/Levels.cs for the mapping of level titles to indexes
  vars.levelIndexDescent = 1;

  settings.Add(
    "gameTimeMsg",
    true,
    "Ask if game time should be used on startup"
  );
  settings.Add(
    "splitAtTaxi",
    true,
    "Split when sitting in the taxi"
  );
  settings.Add(
    "useSpeedrunTimer",
    true,
    "Split based on the SpeedrunTimer mod in-game (required for now)"
  );
}

init {
  vars.isLoading = false;
  vars.isSittingInTaxi = false;
  vars.nextLevelIdx = 0;
  vars.watcher = null;

  var startTime = DateTime.Now;
  var target = new SigScanTarget(8, "D4 E2 03 34 C2 DF 63 24 ?? ?? ?? ??");

  // Try finding the mod then if not found wait up to 10 seconds since the mod
  // will not have initialized yet if the game was just started
  var attempts = 0;
  do {
    attempts++;
    vars.Log("Searching for SpeedrunTimer mod (attempt " + attempts + ")");
    foreach (var page in game.MemoryPages(true)) {
      var scanner = new SignatureScanner(game, page.BaseAddress, (int)page.RegionSize);
      var ptr = scanner.Scan(target);
      if (ptr != IntPtr.Zero) {
        vars.watcher = new MemoryWatcher<uint>(ptr);
        vars.Log("Pointer: " + ptr.ToString());
        break;
      }
    }

    if (vars.watcher == null) {
      if (attempts >= 2) {
        vars.Log("Could not find SpeedrunTimer mod");
        MessageBox.Show(
          "Could not find the SpeedrunTimer mod. Please make sure the mod is active then restart LiveSplit. " +
            "Starting LiveSplit before the game can also sometimes cause it to not be found.",
          "LiveSplit | BonelabSpeedrunTimer Auto Splitter",
          MessageBoxButtons.OK,
          MessageBoxIcon.Error
        );
        return;
      }

      vars.Log("Could not find SpeedrunTimer mod, retrying...");
      Thread.Sleep(15000 - (DateTime.Now - startTime).Milliseconds);
    }
  } while (vars.watcher == null);

  if (timer.CurrentTimingMethod == TimingMethod.RealTime && settings["gameTimeMsg"]) {
    var response = MessageBox.Show(
      "You are currently comparing against \"real time\" which means you will not be able to " +
        "submit to the leaderboard.\nWould you like to switch to \"game time\"?", 
      "LiveSplit | BonelabSpeedrunTimer Auto Splitter",
      MessageBoxButtons.YesNo,
      MessageBoxIcon.Question
    );
    if (response == DialogResult.Yes)
      timer.CurrentTimingMethod = TimingMethod.GameTime;
  }
}

update {
  vars.prevLevelIdx = vars.nextLevelIdx;
  vars.prevSittingInTaxi = vars.isSittingInTaxi;

  vars.watcher.Update(game);
  var state = vars.watcher.Current;
  vars.isLoading = (state & (1 << 0)) != 0;
  vars.isSittingInTaxi = (state & (1 << 1)) != 0;
  vars.nextLevelIdx = (state >> 8) & 0xFF;
}

isLoading {
  return vars.isLoading;
}

start {
  return vars.nextLevelIdx != vars.prevLevelIdx && vars.nextLevelIdx == vars.levelIndexDescent;
}

split {
  return vars.nextLevelIdx != vars.prevLevelIdx ||
    settings["splitAtTaxi"] && vars.isSittingInTaxi && !vars.prevSittingInTaxi;
}

reset {
  var gotOutOfTaxi = settings["splitAtTaxi"] && vars.prevSittingInTaxi && !vars.isSittingInTaxi;
  var isUnknownLevel = vars.nextLevelIdx != vars.prevLevelIdx && vars.nextLevelIdx == 0;
  return gotOutOfTaxi || isUnknownLevel;
}

onStart {
  timer.IsGameTimePaused = true;
}

exit {
  timer.IsGameTimePaused = true;
}