/**
* load a playback file for playing back
* returns true if successfully loaded
**/
public bool LoadPlaybackFile(string file)
{
List<PlayableLine> lines = new List<PlayableLine>();
try
{
// create reader for file
this.reader = new StreamReader(file);
String line = ""; // to hold each line
// while we have a line
while((line = this.reader.ReadLine()) != null)
{
if (line.Contains("Object")) continue; // skip lines that have the header
if (line.Contains ("Finger")) continue; // skip FingerDown/Up lines
String[] tokens = line.Split('\t'); // split on tabs
if (tokens.Length < 2) continue; // make sure we only process lines with stuff
// obj tag posn time
// tokens[2] is posn vector (1,1,1)
string v = tokens[2];
// vector string has parentheses; remove them before splitting into numbers
string[] vs = v.Replace("(", "").Replace (")","").Split(',');
// format the time string
// throws formatexception if the format string doesn't exactly match
// but sometimes milliseconds are one digit, two digits, or three
// (e.g., 19:58:11.7 or 19:58:11.23 or 19:58:11.813)
// so here we account for that by checking the length of the time string
// and setting the number of ms digits accordingly
string format = "HH:mm:ss.f" + ((tokens[3].Length == 10) ? "" :
(tokens[3].Length == 11 ? "f" : "ff"));
DateTime t = new DateTime();
try
{
t = DateTime.ParseExact(tokens[3], format,
System.Globalization.CultureInfo.InvariantCulture);
}
catch (System.FormatException fe)
{
Debug.Log ("ERROR! Line was " + line
+ "\nException: " + fe.ToString());
}
Vector3 vec = new Vector3(
float.Parse(vs[0]), float.Parse(vs[1]), float.Parse(vs[2]));
PlayableLine pl = new PlayableLine(tokens[0], tokens[1],
vec, t);
lines.Add(pl);
}
}
catch (Exception e)
{
Debug.Log ("Exception: " + e.ToString());
}
// okay now the text file is in a list of playback lines
// go through and find the actions
List<PlayableLine> actions = new List<PlayableLine>();
DateTime start = DateTime.MinValue;
DateTime prevActionEnd = DateTime.MinValue;
List<Vector3> movePosns = new List<Vector3>();
List<Vector3> lightPosns = new List<Vector3>();
TimeSpan dif = new TimeSpan(0);
float fdif = 0f;
Debug.Log (".....converting to actions");
// go through list of playback lines and condense into actions
for (int i = 0; i < lines.Count; i++)
{
switch (lines[i].GetTag())
{
case "Tap":
// add tap action
// get difference between start time and end of last action
// this is how long to wait before starting this action
if ( prevActionEnd != DateTime.MinValue )
{
dif = lines[i].GetStartTime().Subtract(prevActionEnd);
fdif = (float) dif.Seconds + (float) (dif.Milliseconds / 1000f);
}
actions.Add(new PlayableTapAction(lines[i], fdif));
prevActionEnd = lines[i].GetStartTime(); // set action time
break;
case "DragBegin":
start = lines[i].GetStartTime(); // save drag start time for later
break;
case "DragMove":
movePosns.Add(lines[i].GetPosn()); // add position to move positions
lightPosns.Add(new Vector3(lines[i].GetPosn().x, lines[i].GetPosn().y, -3));
// and also need the highlight's move positions, which are at a different z
break;
case "DragEnd":
// get difference between end time and start time
// this is the total time the object moves (i.e., move time)
// start time should never be the minvalue?? TODO
if ( start != DateTime.MinValue ) // if we don't have a start time yet
{
dif = lines[i].GetStartTime().Subtract(start);
fdif = (float) dif.Seconds + (float) (dif.Milliseconds / 1000f);
}
// get difference between start time and end of last action
// this is how long to wait before starting this action
float delay = 0f;
if ( prevActionEnd != DateTime.MinValue )
{
TimeSpan delayDif = start.Subtract(prevActionEnd);
delay = (float) delayDif.Seconds + (float) (delayDif.Milliseconds / 1000f);
}
// add move action with object name, tag, end position, and drag time
actions.Add(new PlayableMoveAction(lines[i].GetObject(), "Drag",
lines[i].GetPosn(), lines[i].GetStartTime(), fdif, delay, movePosns.ToArray(),
lightPosns.ToArray()));
movePosns.Clear(); // reset move positions list
lightPosns.Clear(); // reset light list
prevActionEnd = lines[i].GetStartTime(); // set action time
break;
} // end switch
} // end for
// add this playback file name and its associated list of actions to master list
this.playbacks.Add(Path.GetFileNameWithoutExtension(file), actions);
Debug.Log (".....done creating actions for " + file);
return true;
}
public PlayableMoveAction(PlayableLine line, float moveTime, float delayTime,
Vector3[] posns, Vector3[] lightposns)
: base(line)
{
this.moveTime = moveTime;
this.delayTime = delayTime;
this.posns = posns;
this.lightposns = lightposns;
}
public PlayableTapAction(PlayableLine line, float delayTime)
: base(line)
{
this.delayTime = delayTime;
}
public PlayableLine(PlayableLine line)
{
this.obj = line.GetObject();
this.tag = line.GetTag();
this.posn = line.GetPosn();
this.time = line.GetStartTime();
}
