//// removeObj method removes an object from a cell. Is used by Move() method
private void removeObj(MobileObject obj)
{
objs.Remove(obj);
}
static void Main(string[] args)
{ // Reading in cat and snake name files
string[] catnames = File.ReadAllLines(@"Assignment 1 catnames.txt");
string[] snakenames = File.ReadAllLines(@"Assignment 1 snakenames.txt");
Random random = new Random(); //Creating "random" algorith to hold randomly generated values
Grid grid = new Grid(); // creating a Grid by calling Grid() consructor
//Creates a linked list of moblie objects.
LinkedList <MobileObject> mobile = new LinkedList <MobileObject>();
MobileObject[] mobilearray = new MobileObject[10]; //Indicating the number of mobile object to be generated
//Using regular expression to eliminate the numbering of the cat names from the file that we read in.
Regex regex = new Regex(@"\d*\.\s*(\w*)");
Match match;
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 5; j++)
{
if (i == 0)
{
match = regex.Match(catnames[random.Next(0, catnames.Length)]);
string randomcatname = match.Groups[1].Value;
/*adding mobile objects to a linked list and
* determinig the the value range of cat attributes*/
mobile.AddLast(new Cat(randomcatname,
mobile.Count(),
new Position(grid.GetMaxVal()),
/*To make Cat attribute values a float I used (float)
* keyword, devided the values by 2 and added a floating point number.*/
(float)((random.NextDouble() / 2) + 0.5), //Leglength
(float)((random.NextDouble() / 2) + 0.5), //Torsoheight
(float)((random.NextDouble() / 2) + 0.5), //HeadLength
(float)((random.NextDouble() / 2) + 0.5), //Taillength
(float)((random.NextDouble() / 2) + 0.5))); //Mass
mobile.Last().SetPositionCell(grid.GetCellID(mobile.Last().Pos));
}
else
{ /*adding mobile objects to a linked list and
* determinig the the value range of snake attributes*/
mobile.AddLast(new Snake(snakenames[random.Next(0, snakenames.Length)],
mobile.Count(),
new Position(grid.GetMaxVal()),
/*To make length and radius values a float I used (float)
* keyword, devided the values by 2 and added a floating point number.*/
(float)((random.NextDouble() / 2) + 0.5), //Length
(float)((random.NextDouble() / 10) + 0.05), //Radius
(float)((random.NextDouble() * 100) + 1), //Mass in kg
random.Next(200, 301))); //Vertabrae
mobile.Last().SetPositionCell(grid.GetCellID(mobile.Last().Pos));
}
Move(mobile.Last(), 0, 0, 0, true);
int index = (i * 5) + j;
}
}
// Turning a list into an array
mobilearray = mobile.ToArray();
//initializing newmobilearray with the space for 10 elements in it.
MobileObject[] newmobilearray = new MobileObject[10];
int n = mobilearray.Length;
//The for loop places items in newmobilearray[] in random locations
for (int i = 0; i < n; i++)
{
int j = random.Next(0, n);
MobileObject t = mobilearray[i];
if (newmobilearray[j] == null)
{
newmobilearray[j] = t;
}
else
{
i--;
}
}
//The method lets users create a new object.
void CreateObject()
{ //The user can choose which type of object they want to create.
Console.Write("Choose the type of object you want to create \n1. Create a Cat \n2. Create a Snake\nChoice: ");
string objType = Console.ReadLine(); //Storing the user input in objType variable
//If the user makes an incorrect choice they are prompted to try again
if (objType != "1" && objType != "2")
{
Console.WriteLine("Invalid Input, Please try again.");
return;
}
else
{ /*If the user makes a correct choice for the first question they are asked
* to enter the attributes that cats and snakes share*/
Console.Write("Enter name. \nChoice: ");
string name = Console.ReadLine();
Console.WriteLine("Enter position.");
Console.Write("Pos x: ");
string posx = Console.ReadLine();
Console.Write("Pos y: ");
string posy = Console.ReadLine();
Console.Write("Pos z: ");
string posz = Console.ReadLine();
/*If the user has selected the cat in the first question
* they are asked to enter the cat attributes attributes*/
if (objType == "1")
{
Console.Write("Enter leg length. \nChoice: ");
string leg = Console.ReadLine(); //Storing user input in the leg variable
Console.Write("Enter torso length \nChoice: ");
string torso = Console.ReadLine();//Storing user input in the torso variable
Console.Write("Enter head size. \nChoice: ");
string head = Console.ReadLine(); //Storing user input in the head variable
Console.Write("Enter tail length. \nChoice: ");
string tail = Console.ReadLine(); //Storing user input in thetail variable
Console.Write("Enter mass. \nChoice: ");
string mass = Console.ReadLine(); //Storing user input in the mass variable
try
{
//Ensuring that object creation fails if the user enters a negative value for the properties
if (float.Parse(leg) <= 0 || float.Parse(torso) <= 0 || float.Parse(head) <= 0 || float.Parse(tail) <= 0 || float.Parse(mass) <= 0)
{
Console.WriteLine("Can't have negative value for properties.");
return;
}
//Adding the new cat object to the list
mobile.AddLast(new Cat(name,
mobile.Count(),
new Position(float.Parse(posx), float.Parse(posy), float.Parse(posz)),
float.Parse(leg),
float.Parse(torso),
float.Parse(head),
float.Parse(tail),
float.Parse(mass)));
}
catch
{ //Prints if the object creation fails due to the user entering invalid input
Console.WriteLine("Invalid selection on one of the traits.");
}
}
/*If the user has selected to create a snake in the first question
* they are asked to enter the snake attributes*/
else if (objType == "2")
{
Console.Write("Enter length. \nChoice: ");
string length = Console.ReadLine(); //Storing user input in the length variable
Console.Write("Enter radius \nChoice: ");
string radius = Console.ReadLine();//Storing user input in the radius variable
Console.Write("Enter mass. \nChoice: ");
string mass = Console.ReadLine(); //Storing user input in the mass variable
Console.Write("Enter vertebrae. \nChoice: ");
string vertebrae = Console.ReadLine(); //Storing user input in vertebrae variable
try
{ //Ensuring that object creation fails if the user enters a negative value
if (float.Parse(length) <= 0 || float.Parse(radius) <= 0 || float.Parse(mass) <= 0 || float.Parse(vertebrae) <= 0)
{
Console.WriteLine("Objects can not have negative value for properties.");
return;
}
//Adding the new Snake object to the list
mobile.AddLast(new Snake(name,
mobile.Count(),
new Position(float.Parse(posx), float.Parse(posy), float.Parse(posz)),
float.Parse(length),
float.Parse(radius),
float.Parse(mass),
int.Parse(vertebrae)));
}
catch
{ //Prints if the object creation fails due to the user entering invalid input
Console.WriteLine("Invalid selection on one of the traits.");
}
}
// Update grid with the new object
mobile.Last().SetPositionCell(grid.GetCellID(mobile.Last().Pos));
Move(mobile.Last(), 0, 0, 0, true);
}
}
/* Move() method is called by MoveObject(). MoveObject() asks the user
* which object they want to move and to which cell. Move() moves the object.*/
void Move(MobileObject obj, float dx, float dy, float dz, bool flag = false)
{
int currentcellid = obj.GetPositionCell();
obj.Move(dx, dy, dz);
int newcellid = grid.GetCellID(obj.Pos);
if (currentcellid != newcellid || flag || dz != 0)
{
int size = Grid.size;
obj.SetPositionCell(newcellid);
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
if (grid.cells[j, i].GetCellId() == currentcellid && grid.cells[j, i].objs.Contains(obj))
{
grid.cells[j, i].removeObj(obj);
}
if (grid.cells[j, i].GetCellId() == newcellid)
{
grid.cells[j, i].addObj(obj);
}
}
}
}
}
/* MoveObject() asks the user which position they want to move
* the object from and where to place them. */
void MoveObject()
{ //making sure that we catch whe the user enters invalid id
Console.Write("Enter object Id: ");
int Id = -1;
try
{
Id = Int32.Parse(Console.ReadLine()); //if the id = -1 = user input
}
catch
{
Console.WriteLine("Id must be an integer."); //we let the user know that it is an invalid id
return;
}
foreach (MobileObject obj in mobile)
{
if (obj.GetId() == Id)
{
float dx, dy, dz;
try
{
Console.Write("Input dx: ");
dx = float.Parse(Console.ReadLine()); // Reading in the user input for dx
Console.Write("Input dy: ");
dy = float.Parse(Console.ReadLine()); // Reading in the user input for dy
Console.Write("Input dz: ");
dz = float.Parse(Console.ReadLine()); // Reading in the user input for dz
}
catch
{
Console.WriteLine("Invalid entry, values must be floats.");
return;
}
Move(obj, dx, dy, dz); //passing the
}
}
}
void printObjects()
{
foreach (MobileObject mob in mobile)
{
Console.WriteLine(mob.Print());
}
}
/******************************************************************************************************************/
void MoveAndUpdate()
{
foreach (MobileObject mob in mobile)
{
Move(mob, (float)((random.NextDouble() * 10) + 0.1), (float)((random.NextDouble() * 10) + 0.1), (float)((random.NextDouble() * 2) + 0.1));
}
}
void MoveOrigin()
{
Console.WriteLine("Change Origin.");
float dx, dy, dz;
try
{
Console.Write("Input dx: ");
dx = float.Parse(Console.ReadLine());
Console.Write("Input dy: ");
dy = float.Parse(Console.ReadLine());
Console.Write("Input dz: ");
dz = float.Parse(Console.ReadLine());
}
catch
{
Console.WriteLine("Invalid entry, values must be floats.");
return;
}
foreach (MobileObject mob in mobile)
{
Move(mob, -dx, -dy, -dz);
}
}
void FindWithinDistance()
{
float distance;
try
{
Console.Write("Input distance: ");
distance = float.Parse(Console.ReadLine());
}
catch
{
Console.WriteLine("Invalid entry, values must be floats.");
return;
}
foreach (MobileObject mob in mobile)
{
float mobdist = (float)Math.Sqrt(Math.Pow(mob.Pos.GetX(), 2) + Math.Pow(mob.Pos.GetY(), 2) + Math.Pow(mob.Pos.GetZ(), 2));
if (mobdist <= distance)
{
Console.WriteLine(mob.Print());
}
}
}
/*********************************************************************************************************************************/
bool continueflag = true;
while (continueflag)
{
Console.Write("Menu\n1. Create Object\n2. Move Object\n3. Print Grid\n4. Print all objects\n5. Move and Update\n6. Move Origin\n7. Find Within Distance\nQ. Quit\nInput: ");
string userinput = Console.ReadLine();
switch (userinput)
{
case "1":
CreateObject();
break;
case "2":
MoveObject();
break;
case "3":
grid.Print(mobile);
break;
case "4":
printObjects();
break;
case "5":
MoveAndUpdate();
break;
case "6":
MoveOrigin();
break;
case "7":
FindWithinDistance();
break;
case "Q":
continueflag = false;
break;
default:
Console.WriteLine("Unknown input");
break;
}
}
}
// addObj method adds an object to a cell. Is used by Move() method
private void addObj(MobileObject obj)
{
objs.Add(obj);
objs.Sort();
}