// The ai is able to win with the next move and should prioritize this
// Expected: Set Medium Circle 1 to Top Right Field (previous peek SmallCross1)
// Previous Behaviour: Move Large Circle 1 to Top Right Field and loose
// Used ai depth: 3
// LX1 - SX1 => MO1
// LX2 LO2 -
// LO1 - -
private static StringState WinPriority2()
{
StringState testState = new StringState();
Stack <string> stringStack1 = new Stack <string>();
stringStack1.Push("LargeCross1");
testState.Add(Field.TopLeft, stringStack1);
Stack <string> stringStack2 = new Stack <string>();
stringStack2.Push("LargeCross2");
testState.Add(Field.MiddleLeft, stringStack2);
Stack <string> stringStack3 = new Stack <string>();
stringStack3.Push("SmallCross1");
stringStack3.Push("LargeCircle1");
testState.Add(Field.BottomLeft, stringStack3);
Stack <string> stringStack4 = new Stack <string>();
stringStack4.Push("LargeCircle2");
testState.Add(Field.Middle, stringStack4);
Stack <string> stringStack5 = new Stack <string>();
stringStack5.Push("SmallCross2");
testState.Add(Field.TopRight, stringStack5);
return(testState);
}
/***** TEST CASES *****/
// The following functions serves as Test Case for Special states
// Usement: call in first alpha beta call instead of param
// The User win is inevitable no matter which move the ai uses
// Expected: There will be no move result.
// The UI Controller shows player win announcment directly
// Previous Behaviour: Exception
private static StringState UserWinInevitable()
{
StringState testState = new StringState();
Stack <string> stringStack1 = new Stack <string>();
stringStack1.Push("MediumCross1");
testState.Add(Field.TopLeft, stringStack1);
Stack <string> stringStack2 = new Stack <string>();
stringStack2.Push("LargeCross1");
testState.Add(Field.Middle, stringStack2);
Stack <string> stringStack3 = new Stack <string>();
stringStack3.Push("LargeCross2");
testState.Add(Field.TopRight, stringStack3);
Stack <string> stringStack4 = new Stack <string>();
stringStack4.Push("MediumCross2");
stringStack4.Push("LargeCircle1");
testState.Add(Field.MiddleLeft, stringStack4);
Stack <string> stringStack5 = new Stack <string>();
stringStack5.Push("LargeCircle2");
testState.Add(Field.BottomLeft, stringStack5);
return(testState);
}
// Return a new state with the given move on the given state with new reference
private static StringState GetStateWithMove(StringState state, MoveString move)
{
// Deep clone previous state
StringState resultState = TypeConverter.DeepCloneState(state);
// Remove the token from the previous field (if already placed)
resultState = RemoveTokenFromGameState(resultState, move.Token);
// If the field already has a token
if (resultState.ContainsKey(move.Field))
{
Stack <string> tokenStack = new Stack <string>(resultState[move.Field]);
tokenStack.Push(move.Token);
// Place the allowed Token above the old Token
resultState.Remove(move.Field);
resultState.Add(move.Field, tokenStack);
}
else
{
// Otherwise add the Field with a new Stack with the allowed Token
Stack <string> tokenStack = new Stack <string>();
tokenStack.Push(move.Token);
resultState.Add(move.Field, tokenStack);
}
return(resultState);
}
// Deep Clones the given StringState to a new StringState with other Reference
public static StringState DeepCloneState(StringState gameState)
{
StringState stringState = new StringState();
foreach (var field in gameState)
{
Stack <string> tokenStringStack = new Stack <string>(field.Value);
stringState.Add(field.Key, tokenStringStack);
}
return(stringState);
}
// Converts the given GameState with GameObjects to a StringState with Strings
public static StringState ConvertState(GameState gameState)
{
StringState stringState = new StringState();
foreach (var field in gameState)
{
// NOTE: this is a string stack and can't be initialized directly with gameObject stack
Stack <string> tokenStringStack = new Stack <string>();
// Convert Stack to Array to access not only the peek or pop the peek
// NOTE: the stack may not be destructed (reference to current GameState)
GameObject[] tokenGameObjectArray = field.Value.ToArray();
// Iterate backwards to push in the right order
for (int i = tokenGameObjectArray.Length - 1; i >= 0; i--)
{
tokenStringStack.Push(tokenGameObjectArray[i].name);
}
stringState.Add(field.Key, tokenStringStack);
}
return(stringState);
}
