Tic tac toe basically done

src/dawn/games/tictactoe/TicTacToeLogic.cpp

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+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "TicTacToeLogic.hpp"
+
+using namespace Dawn;
+
+enum TicTacToeTileState Dawn::ticTacToeDetermineWinner(
+  const std::map<uint8_t, enum TicTacToeTileState> board,
+  std::vector<uint8_t> *winningCombo
+) {
+  uint8_t i;
+  assertNotNull(winningCombo);
+
+  // Check rows
+  for(i = 0; i < 9; i += 3) {
+    if(board.at(i) == board.at(i + 1) && board.at(i) == board.at(i + 2) && board.at(i) != 0) {
+      *winningCombo = { i, (uint8_t)i + 1, (uint8_t)i + 2 };
+      return board.at(i);
+    }
+  }
+
+  // Check columns
+  for(i = 0; i < 3; i++) {
+    if(board.at(i) == board.at(i + 3) && board.at(i) == board.at(i + 6) && board.at(i) != 0) {
+      *winningCombo = { i, (uint8_t)i + 3, (uint8_t)i + 6 };
+      return board.at(i);
+    }
+  }
+
+  // Check diagonals
+  if(board.at(0) == board.at(4) && board.at(0) == board.at(8) && board.at(0) != 0) {
+    *winningCombo = {0, 4, 8};
+    return board.at(0);
+  }
+
+  if(board.at(2) == board.at(4) && board.at(2) == board.at(6) && board.at(2) != 0) {
+    *winningCombo = { 2, 4, 6 };
+    return board.at(2);
+  }
+
+  return TIC_TAC_TOE_EMPTY;
+}