void drawGameState(GContext* ctx, const DemoGameState gameState) {
// Note: Because the layer is blanked before we're called, we also need to
// redraw all the player moves preceeding the current move each time
// we're called.
// If we've reached the final part of the sequence don't draw anything.
if (gameState.SEQUENCE[gameState.sequenceOffset] == DRAW_BLANK) {
return;
}
unsigned short activePlayer = 0;
for (unsigned short currentOffset = 0; currentOffset <= gameState.sequenceOffset; currentOffset++) {
switch (gameState.SEQUENCE[currentOffset]) {
case DRAW_BLANK:
// Do nothing as a DRAW_BLANK value in a non terminal position
// is just padding so the sequence has the correct length.
break;
case DRAW_WIN_LINE:
// TODO: Don't hard code this--calculate the winner from the board.
if (gameState.SEQUENCE == SEQUENCE_SECOND_PLAYER_WINS) {
drawWinLine(ctx, getCellCenter(0), getCellCenter(6));
} else { // Assumes first player wins
drawWinLine(ctx, getCellCenter(6), getCellCenter(2));
}
break;
default:
// The value is a cell location offset.
// Draw the marker for the current player who is active in this turn.
(activePlayer ? drawCrossPlayer : drawCirclePlayer)(ctx, getCellCenter(gameState.SEQUENCE[currentOffset]));
activePlayer = (activePlayer + 1) % 2;
break;
}
}
}
bool TicTacToe::checkForWinner(CCObject* obj) {
Mark* m = (Mark*) obj;
CCLog("checking line with [%d, %d]: %d", m->getX(), m->getY(), m->getState());
int16_t winner = -1;
LINE_DIRECTION dir;
for(int16_t d = 0; d < DIR_END; d++) {
dir = LINE_DIRECTION(d);
auto s = getLineState(m->getX(), m->getY(), dir);
winner = checkFor3Marks(s);
CCLog("dir: %d, winner: %d", dir, winner);
if (winner >= 0) break;
}
if (winner>=0) {
drawWinLine(m->getX(), m->getY(), dir, m);
}
CCLog("Found winner: %s (%d)", winner >= 0 ? "yes" : "no", winner);
return false;
}
void Render::draw(DrawVariables* dw)
{
if (m_engine == nullptr)
return;
drawBoard(dw, m_engine->getBoard().getRows(), m_engine->getBoard().getCols());
drawPosition(dw);
if (m_engine->getGameState() == GameState::GAME_OVER)
{
// draw the win line over the winners pieces
static const std::map<WinDir, Coordinate> s_winDir{ { WinDir::EAST, {0,1} }, { WinDir::SOUTH, {1,0} },
{ WinDir::SOUTH_EAST, {1,1} }, { WinDir::SOUTH_WEST, {1,-1} } };
PosInfo winInfo = m_engine->getGameOverInfo();
Coordinate coordStart, coordEnd;
coordStart = winInfo.winpos;
coordEnd = { coordStart.x + s_winDir.at(winInfo.windir).x * (m_engine->getWinRowLenght() - 1),
coordStart.y + s_winDir.at(winInfo.windir).y * (m_engine->getWinRowLenght() - 1) };
drawWinLine(dw, coordStart, coordEnd);
}
}