/** * The OSC callback method where all TUIO messages are received and decoded * and where the TUIO event callbacks are dispatched * * @param message the received OSC message */ private void processMessage(OSCMessage message) { string address = message.Address; ArrayList args = message.Values; string command = (string)args[0]; if (address == "/tuio/2Dobj") { if (command == "set") { long s_id = (int)args[1]; int f_id = (int)args[2]; float xpos = (float)args[3]; float ypos = (float)args[4]; float angle = (float)args[5]; float xspeed = (float)args[6]; float yspeed = (float)args[7]; float rspeed = (float)args[8]; float maccel = (float)args[9]; float raccel = (float)args[10]; lock (objectSync) { if (!objectList.ContainsKey(s_id)) { TuioObject addObject = new TuioObject(s_id, f_id, xpos, ypos, angle); frameObjects.Add(addObject); } else { TuioObject tobj = objectList[s_id]; if (tobj == null) { return; } if ((tobj.getX() != xpos) || (tobj.getY() != ypos) || (tobj.getAngle() != angle) || (tobj.getXSpeed() != xspeed) || (tobj.getYSpeed() != yspeed) || (tobj.getRotationSpeed() != rspeed) || (tobj.getMotionAccel() != maccel) || (tobj.getRotationAccel() != raccel)) { TuioObject updateObject = new TuioObject(s_id, f_id, xpos, ypos, angle); updateObject.update(xpos, ypos, angle, xspeed, yspeed, rspeed, maccel, raccel); frameObjects.Add(updateObject); } } } } else if (command == "alive") { newObjectList.Clear(); for (int i = 1; i < args.Count; i++) { // get the message content long s_id = (int)args[i]; newObjectList.Add(s_id); // reduce the object list to the lost objects if (aliveObjectList.Contains(s_id)) { aliveObjectList.Remove(s_id); } } // remove the remaining objects lock (objectSync) { for (int i = 0; i < aliveObjectList.Count; i++) { long s_id = aliveObjectList[i]; TuioObject removeObject = objectList[s_id]; removeObject.remove(currentTime); frameObjects.Add(removeObject); } } } else if (command == "fseq") { int fseq = (int)args[1]; bool lateFrame = false; if (fseq > 0) { if (fseq > currentFrame) { currentTime = TuioTime.getSessionTime(); } if ((fseq >= currentFrame) || ((currentFrame - fseq) > 100)) { currentFrame = fseq; } else { lateFrame = true; } } else if ((TuioTime.getSessionTime().getTotalMilliseconds() - currentTime.getTotalMilliseconds()) > 100) { currentTime = TuioTime.getSessionTime(); } if (!lateFrame) { IEnumerator <TuioObject> frameEnum = frameObjects.GetEnumerator(); while (frameEnum.MoveNext()) { TuioObject tobj = frameEnum.Current; switch (tobj.getTuioState()) { case TuioObject.TUIO_REMOVED: TuioObject removeObject = tobj; removeObject.remove(currentTime); for (int i = 0; i < listenerList.Count; i++) { TuioListener listener = (TuioListener)listenerList[i]; if (listener != null) { listener.RemoveTuioObject(removeObject); } } lock (objectSync) { objectList.Remove(removeObject.getSessionID()); } break; case TuioObject.TUIO_ADDED: TuioObject addObject = new TuioObject(currentTime, tobj.getSessionID(), tobj.getSymbolID(), tobj.getX(), tobj.getY(), tobj.getAngle()); lock (objectSync) { objectList.Add(addObject.getSessionID(), addObject); } for (int i = 0; i < listenerList.Count; i++) { TuioListener listener = (TuioListener)listenerList[i]; if (listener != null) { listener.AddTuioObject(addObject); } } break; default: TuioObject updateObject = getTuioObject(tobj.getSessionID()); if ((tobj.getX() != updateObject.getX() && tobj.getXSpeed() == 0) || (tobj.getY() != updateObject.getY() && tobj.getYSpeed() == 0)) { updateObject.update(currentTime, tobj.getX(), tobj.getY(), tobj.getAngle()); } else { updateObject.update(currentTime, tobj.getX(), tobj.getY(), tobj.getAngle(), tobj.getXSpeed(), tobj.getYSpeed(), tobj.getRotationSpeed(), tobj.getMotionAccel(), tobj.getRotationAccel()); } for (int i = 0; i < listenerList.Count; i++) { TuioListener listener = (TuioListener)listenerList[i]; if (listener != null) { listener.UpdateTuioObject(updateObject); } } break; } } for (int i = 0; i < listenerList.Count; i++) { TuioListener listener = (TuioListener)listenerList[i]; if (listener != null) { listener.refresh(new TuioTime(currentTime)); } } List <long> buffer = aliveObjectList; aliveObjectList = newObjectList; // recycling the List newObjectList = buffer; } frameObjects.Clear(); } } else if (address == "/tuio/2Dcur") { if (command == "set") { long s_id = (int)args[1]; float xpos = (float)args[2]; float ypos = (float)args[3]; float xspeed = (float)args[4]; float yspeed = (float)args[5]; float maccel = (float)args[6]; lock (cursorList) { if (!cursorList.ContainsKey(s_id)) { TuioCursor addCursor = new TuioCursor(s_id, -1, xpos, ypos); frameCursors.Add(addCursor); } else { TuioCursor tcur = (TuioCursor)cursorList[s_id]; if (tcur == null) { return; } if ((tcur.getX() != xpos) || (tcur.getY() != ypos) || (tcur.getXSpeed() != xspeed) || (tcur.getYSpeed() != yspeed) || (tcur.getMotionAccel() != maccel)) { TuioCursor updateCursor = new TuioCursor(s_id, tcur.getCursorID(), xpos, ypos); updateCursor.update(xpos, ypos, xspeed, yspeed, maccel); frameCursors.Add(updateCursor); } } } } else if (command == "alive") { newCursorList.Clear(); for (int i = 1; i < args.Count; i++) { // get the message content long s_id = (int)args[i]; newCursorList.Add(s_id); // reduce the cursor list to the lost cursors if (aliveCursorList.Contains(s_id)) { aliveCursorList.Remove(s_id); } } // remove the remaining cursors lock (cursorSync) { for (int i = 0; i < aliveCursorList.Count; i++) { long s_id = aliveCursorList[i]; if (!cursorList.ContainsKey(s_id)) { continue; } TuioCursor removeCursor = cursorList[s_id]; removeCursor.remove(currentTime); frameCursors.Add(removeCursor); } } } else if (command == "fseq") { int fseq = (int)args[1]; bool lateFrame = false; if (fseq > 0) { if (fseq > currentFrame) { currentTime = TuioTime.getSessionTime(); } if ((fseq >= currentFrame) || ((currentFrame - fseq) > 100)) { currentFrame = fseq; } else { lateFrame = true; } } else if ((TuioTime.getSessionTime().getTotalMilliseconds() - currentTime.getTotalMilliseconds()) > 100) { currentTime = TuioTime.getSessionTime(); } if (!lateFrame) { IEnumerator <TuioCursor> frameEnum = frameCursors.GetEnumerator(); while (frameEnum.MoveNext()) { TuioCursor tcur = frameEnum.Current; switch (tcur.getTuioState()) { case TuioCursor.TUIO_REMOVED: TuioCursor removeCursor = tcur; removeCursor.remove(currentTime); for (int i = 0; i < listenerList.Count; i++) { TuioListener listener = (TuioListener)listenerList[i]; if (listener != null) { listener.removeTuioCursor(removeCursor); } } lock (cursorSync) { cursorList.Remove(removeCursor.getSessionID()); if (removeCursor.getCursorID() == maxCursorID) { maxCursorID = -1; if (cursorList.Count > 0) { IEnumerator <KeyValuePair <long, TuioCursor> > clist = cursorList.GetEnumerator(); while (clist.MoveNext()) { int f_id = clist.Current.Value.getCursorID(); if (f_id > maxCursorID) { maxCursorID = f_id; } } List <TuioCursor> freeCursorBuffer = new List <TuioCursor>(); IEnumerator <TuioCursor> flist = freeCursorList.GetEnumerator(); while (flist.MoveNext()) { TuioCursor testCursor = flist.Current; if (testCursor.getCursorID() < maxCursorID) { freeCursorBuffer.Add(testCursor); } } freeCursorList = freeCursorBuffer; } else { freeCursorList.Clear(); } } else if (removeCursor.getCursorID() < maxCursorID) { freeCursorList.Add(removeCursor); } } break; case TuioCursor.TUIO_ADDED: TuioCursor addCursor; lock (cursorSync) { int c_id = cursorList.Count; if ((cursorList.Count <= maxCursorID) && (freeCursorList.Count > 0)) { TuioCursor closestCursor = freeCursorList[0]; IEnumerator <TuioCursor> testList = freeCursorList.GetEnumerator(); while (testList.MoveNext()) { TuioCursor testCursor = testList.Current; if (testCursor.getDistance(tcur) < closestCursor.getDistance(tcur)) { closestCursor = testCursor; } } c_id = closestCursor.getCursorID(); freeCursorList.Remove(closestCursor); } else { maxCursorID = c_id; } addCursor = new TuioCursor(currentTime, tcur.getSessionID(), c_id, tcur.getX(), tcur.getY()); cursorList.Add(addCursor.getSessionID(), addCursor); } for (int i = 0; i < listenerList.Count; i++) { TuioListener listener = (TuioListener)listenerList[i]; if (listener != null) { listener.addTuioCursor(addCursor); } } break; default: TuioCursor updateCursor = getTuioCursor(tcur.getSessionID()); if ((tcur.getX() != updateCursor.getX() && tcur.getXSpeed() == 0) || (tcur.getY() != updateCursor.getY() && tcur.getYSpeed() == 0)) { updateCursor.update(currentTime, tcur.getX(), tcur.getY()); } else { updateCursor.update(currentTime, tcur.getX(), tcur.getY(), tcur.getXSpeed(), tcur.getYSpeed(), tcur.getMotionAccel()); } for (int i = 0; i < listenerList.Count; i++) { TuioListener listener = (TuioListener)listenerList[i]; if (listener != null) { listener.updateTuioCursor(updateCursor); } } break; } } for (int i = 0; i < listenerList.Count; i++) { TuioListener listener = (TuioListener)listenerList[i]; if (listener != null) { listener.refresh(new TuioTime(currentTime)); } } List <long> buffer = aliveCursorList; aliveCursorList = newCursorList; // recycling the List newCursorList = buffer; } frameCursors.Clear(); } } }