bool singleMove()
{
step();
road.GetRoadMutex(next_pos_X, next_pos_Y).WaitOne();
if (road.checkSpace(next_pos_X, next_pos_Y))
{
//you can go into next_pos
//zajmij miejsce ,zmien miejsce, zwolnij stare miejsce
road.setSpaceOccupied(next_pos_X, next_pos_Y);
old_pos_X = pos_X;
old_pos_Y = pos_Y;
pos_X = next_pos_X;
pos_Y = next_pos_Y;
shouldFree = true;
}
else
{
shouldFree = false;
}
road.GetRoadMutex(next_pos_X, next_pos_Y).ReleaseMutex();
//avoiding nested mutex lock!!!
if (shouldFree)
{//
road.GetRoadMutex(old_pos_X, old_pos_Y).WaitOne();
road.setSpaceFree(old_pos_X, old_pos_Y);
road.GetRoadMutex(old_pos_X, old_pos_Y).ReleaseMutex();
if (pos_X == 13 && pos_Y == 11)
{
unlockYourLane(road);
}
if (pos_X == 14 && pos_Y == 13)
{
unlockYourLane(road);
}
if (pos_X == 11 && pos_Y == 12)
{
unlockYourLane(road);
}
if (pos_X == 12 && pos_Y == 14)
{
unlockYourLane(road);
}
return(true);
}
return(false);
}
private void GenerateCarsProc()
{
int MAX_CAR_NUMBER = simRoad.getMAX_CAR_NUMBER();
//int CURRENT_CAR_NUMBER = 0;
int frequency = 200;
int genX = 0;
int genY = 0;
CarPos newCarPos = CarPos.TOP;
CarDirection newCarDir = CarDirection.FORWARD;
while (getPrun())
{
//zmienic na dopoki kolejka ma symbole
if (simRoad.getQueueLength() > 0)//CURRENT_CAR_NUMBER < MAX_CAR_NUMBER)
{
//losuj carPos
int temp = 0;
lock (randLock)
{
temp = rand.Next() % 4;
}
switch (temp)
{
case 0:
newCarPos = CarPos.TOP;
break;
case 1:
newCarPos = CarPos.RIGHT;
break;
case 2:
newCarPos = CarPos.BOTTOM;
break;
case 3:
newCarPos = CarPos.LEFT;
break;
}
genX = simRoad.getStartPointX(newCarPos);
genY = simRoad.getStartPointY(newCarPos);
simRoad.GetRoadMutex(genX, genY).WaitOne();
// :::::::::::
if (simRoad.checkSpace(genX, genY))
{
lock (randLock)
{
temp = rand.Next() % 3;
}
switch (temp)
{
case 0:
newCarDir = CarDirection.FORWARD;
break;
case 1:
newCarDir = CarDirection.TURN_LEFT;
break;
case 2:
newCarDir = CarDirection.TURN_RIGHT;
break;
}
Car newCar = new Car(newCarPos, newCarDir, simRoad.popCharacter(), this, simRoad, godOfRoad);
Thread newCarThread = new Thread(new ThreadStart(newCar.ThreadProc));
//newCarThread.Name= String.Format("{0}", i);
newCarThread.Start();
newCar.setThread(newCarThread);
cars.Add(newCar);
//CURRENT_CAR_NUMBER++;
}
simRoad.GetRoadMutex(genX, genY).ReleaseMutex();
}
Thread.Sleep(frequency);
}
}