form1.cs

game implemented java

			{
				Car theCar = (Car)myCars[i];
				if (theCar.getDriveCount >= ticks)
					continue;

				int code = theCar.Drive(myMap);
				if (code == Car.STUCK_AT_INTERSECTION) //code = 0
				{//Add car to the correct intersection's list, but only if it isn't already there
					ArrayList al = congestedInters[theCar.getNextIntersection];
					if (al == null)
						al = new ArrayList();
					bool toAdd = true;
					for (int j=0; j<al.Count; j++)
					{
						if (((Car)al[j]).getID == theCar.getID)
						{
							toAdd = false;
							break;
						}
					}
					if (toAdd)
						al.Add(theCar);
                    congestedInters[theCar.getNextIntersection] = al;
				}
				else if (code > Car.STUCK_AT_INTERSECTION) //Good event
				{
					if (code == Car.GOAL_REACHED)
					{
						Sim_Events += theCar.getID+ ": Arrived at Goal"+Environment.NewLine;
						myCars.RemoveAt(i);
						i--;
						carCount.Text = "Cars: "+myCars.Count;
					}
				}
				else if (code < 0) //Error Handling - Not in use
				{
					MessageBox.Show ("Error Happened");
				}
			}
			//Advance one car through each intersection where there is backup
			for (int i=0; i<congestedInters.Length; i++)
			{
				if (!(congestedInters[i]==null) && congestedInters[i].Count >= 1)
				{
					((Car)congestedInters[i][0]).passThruIntersection(myMap);
					congestedInters[i].RemoveAt(0);
				}
				if (!(congestedInters[i]==null) && congestedInters[i].Count == 0)
					congestedInters[i] = null;
			}
			Invalidate(true);
		}

		
		#region File Menu
		private void menuItem2_Click(object sender, System.EventArgs e)
		{
			OpenDialog.ShowDialog();
		}
		private void OpenDialog_FileOk(object sender, System.ComponentModel.CancelEventArgs e)
		{
			myMap = new CityMap();
			myMap.LoadMap(OpenDialog.FileName);
			Map_Loaded = true;
			ticks = 0;
			this.Refresh();
		}
		private void menuItem13_Click(object sender, System.EventArgs e)
		{
			Map_Loaded = false;
			Invalidate(true);
		}
		private void menuItem6_Click(object sender, System.EventArgs e)
		{
			SaveDialog.ShowDialog();
		}
		private void SaveDialog_FileOk(object sender, System.ComponentModel.CancelEventArgs e)
		{
			myMap.SaveMap(SaveDialog.FileName);
		}
		private void menuItem5_Click(object sender, System.EventArgs e)
		{
			ImportDialog.ShowDialog();
		}
		private void ImportDialog_FileOk(object sender, System.ComponentModel.CancelEventArgs e)
		{
			myMap = new CityMap();
			myMap.ImportMap(File.OpenText(ImportDialog.FileName));
			Map_Loaded = true;
			ticks = 0;
			this.Refresh();
		}
		private void menuItem7_Click(object sender, System.EventArgs e)
		{
			MessageBox.Show("Not yet implemented");
		}
		private void menuItem3_Click(object sender, System.EventArgs e)
		{
			Application.Exit();
		}
		#endregion

		#region Simulation Menu
		private void menuItem9_Click(object sender, System.EventArgs e)
		{//Starts Simulation, invokes the Pathfinder object
			if (Map_Loaded)
			{
				Simulation_Setup setupForm = new Simulation_Setup(2 * myMap.getIntersectionList.Count);
				setupForm.ShowDialog();
				if (setupForm.Value < 0)
					return;
				myCars.Clear();
				myCars.Capacity = setupForm.Value;
				myMap.PrepareSim();
				ProgressBar theForm = new ProgressBar(myCars.Capacity,10);
				theForm.Show();
				for (int i=0; i<myCars.Capacity;i++)
				{
					if ((i+1)%10 == 0)
						theForm.increment();
					Car toAdd = new Car(myMap,i);
					int startIntersection = toAdd.getStartSeg.To_Intersection;
					int toIntersection = toAdd.getGoalSeg.To_Intersection;
					if (Distance(toAdd.getStartSeg.from,toAdd.getGoalPoint) < Distance (toAdd.getStartSeg.to,toAdd.getGoalPoint))
						startIntersection = toAdd.getStartSeg.From_Intersection;
					if (Distance(toAdd.getGoalSeg.from,toAdd.getStartPoint) < Distance (toAdd.getGoalSeg.to,toAdd.getStartPoint))
						toIntersection = toAdd.getGoalSeg.From_Intersection;
					Pathfinder aStar = new Pathfinder(startIntersection,toIntersection,myMap);
					toAdd.path = aStar.getPath();
					if (toAdd.path == null)
						i--;
					else
						myCars.Add(toAdd);
				}
				theForm.Hide();
				ticks = 0;
				myMap.SortCars();
				congestedInters = new ArrayList[myMap.getIntersectionList.Count];
				timer1.Start();
				Sim_Started = true;
				Sim_Events = "";
				carCount.Text = "Cars: "+myCars.Capacity;
				Invalidate(true);
			}
			else
				MessageBox.Show("You must load a map to begin a simulation");
		}
		private void menuItem10_Click(object sender, System.EventArgs e)
		{
			if (menuItem10.Checked)
			{
				menuItem10.Checked = false;
				timer1.Start();
			}
			else
			{
				menuItem10.Checked = true;
				timer1.Stop();
			}
		}
		private void menuItem21_Click(object sender, System.EventArgs e)
		{
			myCars.Clear();		
		}  
		private void menuItem14_Click(object sender, System.EventArgs e)
		{
            MessageBox.Show("The Following Events have been reported:"+Environment.NewLine+
				Sim_Events,"Events Logged");		
		}
		private void SimGraphics_Click(object sender, System.EventArgs e)
		{
			SimGraphics.Checked = !SimGraphics.Checked;
		}
		private void menuItem17_Click(object sender, System.EventArgs e)
		{
			myMap.reRandomize();
		}

		private void menuItem20_Click(object sender, System.EventArgs e)
		{
			ticks = 0;
			countLbl.Text = "###";
			carCount.Text = "No Sim";
			Invalidate(true);
		}
		#endregion

		#region Tools Menu
		#region Setup Selection Variables
		private void CB_Box_Click(object sender, System.EventArgs e)
		{
			to_Select=CITY_BLOCK;
			select_Type = SELECT_BOX;
			this.mapBox.Cursor = System.Windows.Forms.Cursors.Cross;
		}

		private void CB_Line_Click(object sender, System.EventArgs e)
		{
			to_Select=CITY_BLOCK;
			select_Type = SELECT_LINE;
			this.mapBox.Cursor = System.Windows.Forms.Cursors.Cross;
		}

		private void I_Box_Click(object sender, System.EventArgs e)
		{
			to_Select=INTERSECTION;
			select_Type = SELECT_BOX;
			this.mapBox.Cursor = System.Windows.Forms.Cursors.Cross;
		}

		private void I_Line_Click(object sender, System.EventArgs e)
		{
			to_Select=INTERSECTION;
			select_Type = SELECT_LINE;
			this.mapBox.Cursor = System.Windows.Forms.Cursors.Cross;
		}

		private void I_Point_Click(object sender, System.EventArgs e)
		{
			to_Select=INTERSECTION;
			select_Type = SELECT_POINT;
			this.mapBox.Cursor = System.Windows.Forms.Cursors.Cross;
		}

		private void menuItem4_Click(object sender, System.EventArgs e)
		{
			to_Select = NONE;
			select_Type = NONE;
			this.mapBox.Cursor = System.Windows.Forms.Cursors.Arrow;
		}
		private void menuItem18_Click(object sender, System.EventArgs e)
		{
			to_Select = THRU_STREETS;
			select_Type = SELECT_BOX;
			this.mapBox.Cursor = System.Windows.Forms.Cursors.Cross;
		}

		private void menuItem19_Click(object sender, System.EventArgs e)
		{
			to_Select = THRU_STREETS;
			select_Type = SELECT_LINE;
			this.mapBox.Cursor = System.Windows.Forms.Cursors.Cross;
		}
		private void menuItem16_Click(object sender, System.EventArgs e)
		{
			to_Select = THRU_STREETS;
			select_Type = SELECT_POINT;
			this.mapBox.Cursor = System.Windows.Forms.Cursors.Cross;
		}
		#endregion
		private void mapBox_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			if (to_Select != NONE)
			{
				select_Point_1 = new PointF(e.X,e.Y);
			}
		}

		private void mapBox_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			switch (to_Select)
			{			
				case CITY_BLOCK:
					ArrayList blocksFound = myMap.getBlocks(select_Point_1, new PointF(e.X,e.Y),select_Type);
					if (blocksFound.Count > 0)
					{
						City_Blocks formInstance = new City_Blocks(blocksFound,myMap);
						formInstance.ShowDialog();
						myMap = formInstance.getMap;
						formInstance.Dispose();
					}
					break;
				case INTERSECTION:
					ArrayList intersFound = myMap.getIntersections(select_Point_1, new PointF(e.X,e.Y),select_Type);
					if (intersFound.Count > 0)
					{
						Intersection_Edit interForm = new Intersection_Edit(intersFound,myMap);
						interForm.ShowDialog();
						myMap = interForm.getMap;
						interForm.Dispose();
					}
					break;	
				case THRU_STREETS:
					ArrayList interFound = myMap.getIntersections(select_Point_1, new PointF(e.X,e.Y),select_Type);
					if (interFound.Count > 0)
					{
						for (int i=0;i<interFound.Count;i++)
						{
							ThruStreetFinder interForm = new ThruStreetFinder((int)interFound[i],myMap);
							interForm.ShowDialog();
							myMap = interForm.getMap;
							interForm.Dispose();
						}
					}
					break;	
			}
		}
		private void menuItem12_Click(object sender, System.EventArgs e)
		{
			Invalidate(true);
		}
		#endregion

		private double Distance(Point a, Point b) 
		{  
			double xdiff = a.X - b.X;  
			double ydiff = a.Y - b.Y;  
			return Math.Sqrt(xdiff * xdiff + ydiff * ydiff);  
		}
	}
}