private bool RandomShot()
{
if (Elems.Count() == 0)
{
return(false);//this = 0 when all cells are used
}
Random rnd = new Random();
int n = rnd.Next(Elems.Count());
FieldsElement elem = Elems[n];
Elems.RemoveAt(n);
bool ret = UserField.Move(elem.GetY(), elem.GetX());
if (ret)
{
Goal = new Goal(elem, UserField);
}
List <FieldsElement> state = UserField.NewState;
foreach (FieldsElement item in state)
{
Elems.Remove(item);
}
return(ret);
}
public GameLogic(string propName)
{
this.propName = propName;
for (int i = 0; i < 10; i++)
{
for (int j = 0; j < 10; j++)
{
Field[i, j] = new FieldsElement(i, j);
}
}
AddShipInRandomPosition(4);
AddShipInRandomPosition(3);
AddShipInRandomPosition(3);
AddShipInRandomPosition(2);
AddShipInRandomPosition(2);
AddShipInRandomPosition(2);
AddShipInRandomPosition(1);
AddShipInRandomPosition(1);
AddShipInRandomPosition(1);
AddShipInRandomPosition(1);
}
public bool Move(int y, int x)
{
FieldsElement elem = this.Field[y, x];
elem.IsFired = true;
NewState.Add(elem);
if (elem.IsShip())
{
Score += 5;
Enemy.Score -= 1;
elem.ShipRef.Decks -= 1;//hit ship
if (elem.ShipRef.IsDead())
{
Explosion(elem.ShipRef);
}
return(true);
}
else
{
Score--;
return(false);
}
}
private bool CheckEdge(int y, int x)
{//возвращает true, если следующий элемент по направлению доступен для выстрела
int[] pos = CFD(y, x);
if (pos == null)
{
return(false);
}
FieldsElement elem = UserField.Field[pos[0], pos[1]];
return(!elem.IsFired);
}
public int[] RandomShot()
{
List <FieldsElement> elems = new List <FieldsElement>();
for (int i = 0; i < 10; i++)
{
for (int j = 0; j < 10; j++)
{
if (!Field[i, j].IsFired)
{
elems.Add(Field[i, j]);
}
}
}
int x = rnd.Next(elems.Count - 1);
FieldsElement aim = elems[x];
return(new int[] { aim.GetY(), aim.GetX() });
}
private bool CheckEdge(FieldsElement elem1, FieldsElement elem2)
{//вызывает CheckEdge(y,x) исходя от направления цели
switch (GoalDirection)
{
case 1:
return(CheckEdge(elem2.GetY(), elem2.GetX()));
case 2:
return(CheckEdge(elem2.GetY(), elem2.GetX()));
case 3:
return(CheckEdge(elem1.GetY(), elem1.GetX()));
case 4:
return(CheckEdge(elem1.GetY(), elem1.GetX()));
default:
return(false);
}
}
public bool Move()
{
if (Goal == null)
{
return(RandomShot());
}
int[] pos = Goal.GetNextShotPosition();
if (pos[0] == -1)
{
Goal = null;
return(RandomShot());
}
FieldsElement elem = UserField.Field[pos[0], pos[1]];
if (elem.IsShip())
{
Goal.Elems.Add(elem);
}
return(UserField.Move(pos[0], pos[1]));
}
private void FullDisplayField(GameLogic Field, object Side, bool IsUser)
{
StackPanel panel = (StackPanel)Side;
for (int i = 0; i < 10; i++)
{
StackPanel row = new StackPanel()
{
Orientation = Orientation.Horizontal
};
panel.Children.Add(row);
for (int j = 0; j < 10; j++)
{
FieldsElement elem = Field.Field[i, j];
string tag = $"{elem.GetY()},{elem.GetX()},{elem.Ship}";
Image img = null;
if (elem.IsFired)
{
if (elem.IsShip())
{
img = new Image {
Source = new BitmapImage(new Uri("RedCross.png", UriKind.Relative))
}
}
;
else
{
img = new Image {
Source = new BitmapImage(new Uri("BlueCircle.png", UriKind.Relative))
}
};
}
Button btn = new Button()
{
Width = BtnSize,
Height = BtnSize,
FontWeight = FontWeights.UltraBold,
Background = new SolidColorBrush(Colors.White),
Tag = tag,
Content = img
};
if (!IsUser)
{
if (elem.IsShip())
{
btn.BorderBrush = new SolidColorBrush(Colors.Blue);
btn.BorderThickness = new Thickness(2);
btn.Background = (SolidColorBrush)(new BrushConverter().ConvertFrom("#f0f8ff"));
}
}
else
{
btn.Click += Button_Click;
}
row.Children.Add(btn);
}
}
}
public int[] GetNextShotPosition()
{
if (Elems.Count() == 1)
{
FieldsElement elem = Elems[0];
int y = elem.GetY();
int x = elem.GetX();
for (int i = 0; i < 4; i++)
{
if (CheckEdge(y, x))
{
return(CFD(y, x));
}
else
{
ChangeGoalDirection();
}
}
//ship destoyed
return(new int[] { -1, -1 });
}
else
{
int minY = 9, minX = 9;
int maxY = 0, maxX = 0;
foreach (FieldsElement item in Elems)
{
int y = item.GetY();
int x = item.GetX();
if (y < minY)
{
minY = y;
}
if (y > maxY)
{
maxY = y;
}
if (x < minX)
{
minX = x;
}
if (x > maxX)
{
maxX = x;
}
}
FieldsElement elem1 = UserField.Field[minY, minX]; //начало открытого коробля
FieldsElement elem2 = UserField.Field[maxY, maxX]; //конец открытого коробля
ShipDirection = Elems[0].GetY() == Elems[1].GetY() ? true : false; //определение направления коробля //true is horizontal
for (int i = 0; i < 2; i++)
{
if (CheckEdge(elem1, elem2))
{
if (GoalDirection == 1 || GoalDirection == 2)
{
return(CFD(elem2.GetY(), elem2.GetX()));
}
else
{
return(CFD(elem1.GetY(), elem1.GetX()));
}
}
else
{
ChangeGoalDirection(true);
}
}
//ship destoyed
return(new int[] { -1, -1 });
}
}
public Goal(FieldsElement elem, GameLogic userField)
{
this.Elems.Add(elem);
this.UserField = userField;
}