private void TakeShot(object sender, EventArgs e)
{
// consider adding a check for type in the future to made it more modular
Label selected = (Label)sender;
// create a Coords for the player shot and send it to the opponent
if (selected.BackColor == Color.DodgerBlue)
{
Coords playerShot = new Coords(OpponentBoard.GetRow(selected), OpponentBoard.GetColumn(selected));
int result = AI.ResolveShot(playerShot);
UpdateLabel(true, result);
// if a miss, chance to miss color, otherwise turn hit color and check for sunk
if (result == 0)
{
selected.BackColor = Color.AliceBlue;
}
else
{
selected.BackColor = Color.Red;
// adjust the ship labels if a ship was sunk
if (result > 1)
{
switch (result)
{
case 2:
OpponentPTBoatLabel.Font = new Font(OpponentPTBoatLabel.Font, FontStyle.Strikeout);
break;
case 3:
OpponentSubmarineLabel.Font = new Font(OpponentSubmarineLabel.Font, FontStyle.Strikeout);
break;
case 4:
OpponentDestroyerLabel.Font = new Font(OpponentDestroyerLabel.Font, FontStyle.Strikeout);
break;
case 5:
OpponentBattleshipLabel.Font = new Font(OpponentBattleshipLabel.Font, FontStyle.Strikeout);
break;
case 6:
OpponentCarrierLabel.Font = new Font(OpponentCarrierLabel.Font, FontStyle.Strikeout);
break;
default:
break;
}
}
}
}
// if the have already selected that space it will not be the normal color and we can discout their click
else
{
return;
}
if (AI.CheckLose())
{
MessageBox.Show("You won!", "Victory!");
Close();
}
// now the opponent shoots at us **temporary code ***
Coords opponentShot = AI.TakeTurn();
int shotResult = ResolveShot(opponentShot);
AI.Report(shotResult);
UpdateLabel(false, shotResult);
Control label = BoardTable.GetControlFromPosition(opponentShot.x, opponentShot.y);
// if a miss, chance to miss color, otherwise turn hit color and check for sunk
if (shotResult == 0)
{
label.BackColor = Color.AliceBlue;
}
else
{
label.BackColor = Color.Red;
// adjust the ship labels if a ship was sunk
if (shotResult > 1)
{
switch (shotResult)
{
case 2:
PlayerPTBoatLabel.Font = new Font(PlayerPTBoatLabel.Font, FontStyle.Strikeout);
break;
case 3:
PlayerSubmarineLabel.Font = new Font(PlayerSubmarineLabel.Font, FontStyle.Strikeout);
break;
case 4:
PlayerDestroyerLabel.Font = new Font(PlayerDestroyerLabel.Font, FontStyle.Strikeout);
break;
case 5:
PlayerBattleshipLabel.Font = new Font(PlayerBattleshipLabel.Font, FontStyle.Strikeout);
break;
case 6:
PlayerCarrierLabel.Font = new Font(PlayerCarrierLabel.Font, FontStyle.Strikeout);
break;
default:
break;
}
}
}
if (shipsSunk > 4)
{
MessageBox.Show("You lost, better luck next time", "Defeat");
Close();
}
}
// reverses the direction modifier in case we need to swap
private void reverseDirection()
{
directionModifier = new Coords(0 - directionModifier.x, 0 - directionModifier.y);
}
//get a modifier that we can add to a coordinate to get a new coordinate in the correct direction
private void findDirection()
{
directionModifier = new Coords((pastHits[pastHits.Count - 1].x - pastHits[pastHits.Count - 2].x), (pastHits[pastHits.Count - 1].y - pastHits[pastHits.Count - 2].y));
}
// used to subract a sunk ship amount of coordinates from past hits in the case that we tagged two ships
private void TrimHits(int size)
{
//int count = pastHits.Count - 1;
//int trimTo = count - size;
//for (int i = count; i > trimTo; i--)
//{
// pastHits.RemoveAt(i);
//}
// new code to replace old starts here
Coords lastHit = pastHits[pastHits.Count - 1];
// if we are horizontal
if ((lastHit.y - pastHits[0].y) == 0)
{
if ((lastHit.x - pastHits[0].x) < 0)
{
// O(n^m) which is worrisome, possible candidate for refactor, might not matter with the max of m being 5 though
for (int i = 0; i < size; i++)
{
foreach (Coords coord in pastHits)
{
if ((coord.x - i) == lastHit.x)
{
pastHits.Remove(coord);
break;
}
}
}
}
else
{
for (int i = 0; i < size; i++)
{
foreach (Coords coord in pastHits)
{
if ((coord.x + i) == lastHit.x)
{
pastHits.Remove(coord);
break;
}
}
}
}
}
// otherwise we are vertical orientation
else
{
if ((lastHit.y - pastHits[0].y) < 0)
{
for (int i = 0; i < size; i++)
{
foreach (Coords coord in pastHits)
{
if ((coord.y - i) == lastHit.y)
{
pastHits.Remove(coord);
break;
}
}
}
}
else
{
for (int i = 0; i < size; i++)
{
foreach (Coords coord in pastHits)
{
if ((coord.y + i) == lastHit.y)
{
pastHits.Remove(coord);
break;
}
}
}
}
}
}
public Coords TakeTurn()
{
Coords guess = new Coords(0, 0);
Coords lastGuess;
bool valid = false;
/* Handle the AI behavior based on state. The states are as follows:
* 1 - random guesses to find a hit.
* 2 - got a hit but searching for a path to keep getting hits
* 3 - following the path that is found until sinking a ship or getting a miss
* 4 - path reached end, now going the other direction to score a sink
* 5 - continuing the direction following the reversal, similar to state 3
* 6 - go to a multihit location and start going, similar to state 4
* 7 - continue the direction, similar to state 3 and 5
* 8 - When we have already flipped during the multihit stage, look out for multihits within multihits
* 9 - contrinuing along post reverse looking out for multihits within multihits
* */
while (!valid)
{
switch (AIstate)
{
case 1:
guess = RandomGuess();
// validation built into the function
valid = true;
break;
case 2:
int trialHit = randomizer.Next(hitArea.Count);
guess = hitArea[trialHit];
// validation built into the function
valid = true;
pastGuesses.Add(guess);
hitArea.RemoveAt(trialHit);
break;
case 3:
lastGuess = pastGuesses[pastGuesses.Count - 1];
guess = new Coords((lastGuess.x + directionModifier.x), (lastGuess.y + directionModifier.y));
if (ValidateGuess(guess))
{
pastGuesses.Add(guess);
valid = true;
}
else
{
Report(0);
}
break;
case 4:
guess = new Coords((hitSpot.x + directionModifier.x), (hitSpot.y + directionModifier.y));
if (ValidateGuess(guess))
{
pastGuesses.Add(guess);
valid = true;
}
else
{
Report(0);
}
break;
case 5:
lastGuess = pastGuesses[pastGuesses.Count - 1];
guess = new Coords((lastGuess.x + directionModifier.x), (lastGuess.y + directionModifier.y));
if (ValidateGuess(guess))
{
pastGuesses.Add(guess);
valid = true;
}
else
{
Report(0);
}
break;
case 6:
guess = new Coords((hitSpot.x + directionModifier.x), (hitSpot.y + directionModifier.y));
if (ValidateGuess(guess))
{
pastGuesses.Add(guess);
valid = true;
}
else
{
Report(0);
}
break;
case 7:
lastGuess = pastGuesses[pastGuesses.Count - 1];
guess = new Coords((lastGuess.x + directionModifier.x), (lastGuess.y + directionModifier.y));
if (ValidateGuess(guess))
{
pastGuesses.Add(guess);
valid = true;
}
else
{
Report(0);
}
break;
case 8:
guess = new Coords((hitSpot.x + directionModifier.x), (hitSpot.y + directionModifier.y));
if (ValidateGuess(guess))
{
pastGuesses.Add(guess);
valid = true;
}
else
{
Report(0);
}
break;
case 9:
lastGuess = pastGuesses[pastGuesses.Count - 1];
guess = new Coords((lastGuess.x + directionModifier.x), (lastGuess.y + directionModifier.y));
if (ValidateGuess(guess))
{
pastGuesses.Add(guess);
valid = true;
}
else
{
Report(0);
}
break;
default:
valid = true;
guess = RandomGuess();
break;
}
}
return(guess);
}
// takes the result of the guess and sets state accordingly
public void Report(int status)
{
// this controls the logic in case of a miss
if (status == 0)
{
// this gets the last guess so we can use as a reference
Coords guess = pastGuesses[pastGuesses.Count - 1];
switch (AIstate)
{
case 1:
break;
case 2:
if (hitArea.Count == 0)
{
AIstate = 1;
}
break;
case 3:
reverseDirection();
AIstate = 4;
break;
case 4:
ConvertToMultiHit();
pastHits.Clear();
hitSpot = multiHit.Dequeue();
pastHits.Add(hitSpot);
findDirectionMulti(hitSpot);
AIstate = 6;
break;
case 5:
ConvertToMultiHit();
pastHits.Clear();
hitSpot = multiHit.Dequeue();
pastHits.Add(hitSpot);
findDirectionMulti(hitSpot);
AIstate = 6;
break;
case 6:
reverseDirection();
AIstate = 8;
break;
case 7:
reverseDirection();
AIstate = 8;
break;
case 8:
SaveMultiHit();
break;
case 9:
SaveMultiHit();
break;
default:
AIstate = 1;
break;
}
}
// this controls the logic if a hit is scored
else if (status == 1)
{
// this gets the last guess so we can use as a reference
Coords guess = pastGuesses[pastGuesses.Count - 1];
switch (AIstate)
{
case 1:
hitSpot = guess;
createHitArea(guess);
pastHits.Add(guess);
AIstate = 2;
break;
case 2:
pastHits.Add(guess);
findDirection();
AIstate = 3;
break;
case 3:
pastHits.Add(guess);
break;
case 4:
pastHits.Add(guess);
AIstate = 5;
break;
case 5:
pastHits.Add(guess);
break;
case 6:
pastHits.Add(guess);
AIstate = 7;
break;
case 7:
pastHits.Add(guess);
break;
case 8:
pastHits.Add(guess);
AIstate = 9;
break;
case 9:
pastHits.Add(guess);
break;
default:
AIstate = 1;
break;
}
}
// this controls the logic if a ship is sunk
else if (status > 1)
{
int size;
Coords guess = pastGuesses[pastGuesses.Count - 1];
pastHits.Add(guess);
switch (status)
{
case 2:
size = 2;
break;
case 3:
size = 3;
break;
case 4:
size = 3;
break;
case 5:
size = 4;
break;
case 6:
size = 5;
break;
default:
//something has gone horribly wrong
size = 0;
break;
}
switch (AIstate)
{
case 1:
resetState();
AIstate = 1;
break;
case 2:
resetState();
AIstate = 1;
break;
case 3:
if (pastHits.Count == size)
{
resetState();
AIstate = 1;
}
else
{
TrimHits(size);
reverseDirection();
AIstate = 4;
}
break;
case 4:
if (pastHits.Count == size)
{
resetState();
AIstate = 1;
}
else
{
TrimHits(size);
ConvertToMultiHit();
pastHits.Clear();
hitSpot = multiHit.Dequeue();
pastHits.Add(hitSpot);
findDirectionMulti(hitSpot);
AIstate = 6;
break;
}
break;
case 5:
if (pastHits.Count == size)
{
resetState();
AIstate = 1;
}
else
{
TrimHits(size);
ConvertToMultiHit();
pastHits.Clear();
hitSpot = multiHit.Dequeue();
pastHits.Add(hitSpot);
findDirectionMulti(hitSpot);
AIstate = 6;
break;
}
break;
case 6:
if (pastHits.Count == size)
{
pastHits.Clear();
if (multiHit.Count == 0)
{
resetState();
AIstate = 1;
}
else
{
hitSpot = multiHit.Dequeue();
pastHits.Add(hitSpot);
}
}
else
{
TrimHits(size);
reverseDirection();
AIstate = 6;
}
break;
case 7:
if (pastHits.Count == size)
{
pastHits.Clear();
if (multiHit.Count == 0)
{
resetState();
AIstate = 1;
}
else
{
hitSpot = multiHit.Dequeue();
pastHits.Add(hitSpot);
AIstate = 6;
}
}
else
{
TrimHits(size);
reverseDirection();
AIstate = 6;
}
break;
case 8:
if (pastHits.Count == size)
{
pastHits.Clear();
if (multiHit.Count == 0)
{
resetState();
AIstate = 1;
}
else
{
hitSpot = multiHit.Dequeue();
pastHits.Add(hitSpot);
}
}
else
{
TrimHits(size);
SaveMultiHit();
// get a new multihit going
if (multiHit.Count == 0)
{
multiHit = chainedMultiHits.Dequeue();
pastHits.Clear();
hitSpot = multiHit.Dequeue();
pastHits.Add(hitSpot);
findDirectionMulti(hitSpot);
AIstate = 6;
}
// save for later
else
{
pastHits.Clear();
hitSpot = multiHit.Dequeue();
pastHits.Add(hitSpot);
AIstate = 6;
}
}
break;
case 9:
if (pastHits.Count == size)
{
pastHits.Clear();
if (multiHit.Count == 0)
{
resetState();
AIstate = 1;
}
else
{
hitSpot = multiHit.Dequeue();
pastHits.Add(hitSpot);
AIstate = 6;
}
}
else
{
TrimHits(size);
SaveMultiHit();
// get a new multihit going
if (multiHit.Count == 0)
{
multiHit = chainedMultiHits.Dequeue();
pastHits.Clear();
hitSpot = multiHit.Dequeue();
pastHits.Add(hitSpot);
findDirectionMulti(hitSpot);
AIstate = 6;
}
// save for later
else
{
pastHits.Clear();
hitSpot = multiHit.Dequeue();
pastHits.Add(hitSpot);
AIstate = 6;
}
}
break;
default:
resetState();
AIstate = 1;
break;
}
}
}