static void CopyObject1(Node1 Obj1, Node1 Obj2) {
Obj1.OwnIndex = Obj2.OwnIndex;
Obj1.ParentIndex = Obj2.ParentIndex;
for (int i = 0; i < 6; i++) {
for (int j = 0; j < 6; j++) {
Obj1.State[i][j] = Obj2.State[i][j];
}
}
Obj1.BlankXcoordinate = Obj2.BlankXcoordinate;
Obj1.BlankYcoordinate = Obj2.BlankYcoordinate;
Obj1.Direction = Obj2.Direction;
Obj1.Child1Index = Obj2.Child1Index;
Obj1.Child2Index = Obj2.Child2Index;
Obj1.Child3Index = Obj2.Child3Index;
Obj1.Child4Index = Obj2.Child4Index;
}
static int CreateChildNodes1(Node1[] Array, Node1 Parent, Node1 Goal, int NextIndex) {
int Index = NextIndex;
if (CheckUpDirection1(Parent)) {
Array[Index] =
new Node1(
Parent.State,
Parent.BlankXcoordinate,
Parent.BlankYcoordinate,
Index,
Parent.OwnIndex,
'U');
ExchangeUp1(Array[Index]);
Array[Index].BlankXcoordinate--;
boolean cond = CompareNodes1(Array[Index], Array[Parent.ParentIndex]);
if (cond == false) {
Array[Index] = null; // --Index;
} else {
PrintNode1(Array[Index]);
Parent.Child1Index = Index;
++Index;
}
}
if (CheckDownDirectionDirection1(Parent)) {
Array[Index] =
new Node1(
Parent.State,
Parent.BlankXcoordinate,
Parent.BlankYcoordinate,
Index,
Parent.OwnIndex,
'D');
ExchangeDown1(Array[Index]);
Array[Index].BlankXcoordinate++;
boolean cond = CompareNodes1(Array[Index], Array[Parent.ParentIndex]);
if (cond == false) {
Array[Index] = null; // --Index;
} else {
PrintNode1(Array[Index]);
Parent.Child2Index = Index;
++Index;
}
}
if (CheckRightDirection1(Parent)) {
Array[Index] =
new Node1(
Parent.State,
Parent.BlankXcoordinate,
Parent.BlankYcoordinate,
Index,
Parent.OwnIndex,
'R');
ExchangeRight1(Array[Index]);
Array[Index].BlankYcoordinate++;
boolean cond = CompareNodes1(Array[Index], Array[Parent.ParentIndex]);
if (cond == false) {
Array[Index] = null; // --Index;
} else {
PrintNode1(Array[Index]);
Parent.Child3Index = Index;
++Index;
}
}
if (CheckLeftDirection1(Parent)) {
Array[Index] =
new Node1(
Parent.State,
Parent.BlankXcoordinate,
Parent.BlankYcoordinate,
Index,
Parent.OwnIndex,
'L');
ExchangeLeft1(Array[Index]);
Array[Index].BlankYcoordinate--;
boolean cond = CompareNodes1(Array[Index], Array[Parent.ParentIndex]);
if (cond == false) {
Array[Index] = null; // --Index;
} else {
PrintNode1(Array[Index]);
Parent.Child4Index = Index;
++Index;
}
}
return Index;
}