Amnesia Entity Recorder and Playback

void OnStart()
{
    SetEntityPlayerInteractCallback("box", "BeginRecording", true);
}

void BeginRecording(string &in asEntity)
{
  SetLocalVarInt("array_index_" + asEntity, 0);
  SetLocalVarInt("reverse_" + asEntity, 1);
  AddDebugMessage("Starting recording of " + asEntity, false);
  TimerRecord(asEntity);
}

void TimerRecord(string &in asEntity)
{
  int index = GetLocalVarInt("array_index_" + asEntity);

  if (index < 600)
  {
    string name = "placeholder_" + asEntity + "_" + index;
    CreateEntityAtArea(name, "placeholder.ent", "PlaceholderArea", false);
    PlaceEntityAtEntity(name, asEntity, "", true);
    AddTimer(asEntity, 0.0f, "TimerRecord");
    AddLocalVarInt("array_index_" + asEntity, 1);
  }
  else
  {
    AddDebugMessage("Finished recording for " + asEntity, false);
    SetPropStaticPhysics(asEntity, true);
    TimerPlayback(asEntity);
  }
}

void TimerPlayback(string &in asEntity)
{
  int index = GetLocalVarInt("array_index_" + asEntity);
  PlaceEntityAtEntity(asEntity, "placeholder_" + asEntity + "_" + index, "", true);

  if (GetLocalVarInt("reverse_" + asEntity) == 1)
  {
    if (index > 0)
    {
      AddLocalVarInt("array_index_" + asEntity, -1);
    }
    else
    {
      SetLocalVarInt("reverse_" + asEntity, 0);
    }
  }
  else
  {
    if (index < 600)
    {
      AddLocalVarInt("array_index_" + asEntity, 1);
    }
    else
    {
      SetLocalVarInt("reverse_" + asEntity, 1);
    }
  }

  AddTimer(asEntity, 0.0f, "TimerPlayback");
}

/*
class Vec3
{
    float x;
    float y;
    float z;
}

Vec3[] boxes(600);

void TimerRecordBoxPos(string &in asTimer)
{
    int index = GetLocalVarInt("array_index");
    Vec3 box = boxes[index];
    box.x = GetEntityPosX("box");
    box.y = GetEntityPosY("box");
    box.z = GetEntityPosZ("box");
    boxes[index] = box;

    if (index < boxes.length() - 1)
    {
      AddLocalVarInt("array_index", 1);
      AddTimer("loop", 0.0f, "TimerRecordBoxPos");
      string log = "Box index " + index + ": X = " + box.x + ", Y = " + box.y + ", Z = " + box.z;
      AddDebugMessage(log, false);
    }
    else
    {
      AddTimer("loop", 0.0f, "TimerSetBoxPos");
      SetPropStaticPhysics("box", true);
    }
}

void TimerSetBoxPos(string &in asTimer)
{
    int index = GetLocalVarInt("array_index");
    Vec3 box = boxes[index];
    SetEntityPos("box", box.x, box.y, box.z);

    if (GetLocalVarInt("reverse") == 1)
    {
      if (index > 0)
      {
        AddLocalVarInt("array_index", -1);
      }
      else
      {
        SetLocalVarInt("reverse", 0);
      }
    }
    else
    {
      if (index < boxes.length() - 1)
      {
        AddLocalVarInt("array_index", 1);
      }
      else
      {
        SetLocalVarInt("reverse", 1);
      }
    }

    AddTimer("loop", 0.0f, "TimerSetBoxPos");
}
*/