void TuringMachine3d::step()
{
if (crashed and verbose)
std::cout << "Machine has crashed" << std::endl;
move_no++;
Symbol sym = read_square();
Instruction instr;
try
{
instr = rulebook->get_instruction(state, sym);
}
catch (std::out_of_range)
{
if (verbose)
std::cout << "Machine has crashed" << std::endl;
crashed = true;
return;
}
if (verbose)
std::cout << "Move " << move_no <<
", pos " << position << ": " <<
'(' << state << "," << sym << ")->(" <<
instr.new_state << "," << instr.new_symbol << "), move by " <<
instr.direction << std::endl;
write(instr.new_symbol);
move(instr.direction);
change_state(instr.new_state);
}
void Game::message_handler(Server& server, int player, std::string msg)
{
std::vector<std::string> words;
boost::trim(msg);
boost::split(words, msg, boost::is_any_of("\t "), boost::token_compress_on);
if (words.empty()) {
error(server, player);
return;
}
if (words[0] == "ready") {
if (ready(player)) {
error(server, player);
return;
}
ready(player) = true;
player_color(player) = ready(other(player)) ? BLACK : WHITE;
server.send(player, "color " + show(player_color(player)));
if (ready1 && ready2) {
reset_playing();
server.broadcast("start");
}
} else if (words[0] == "say") {
std::stringstream ss;
ss << "say" << player;
for (size_t i = 1; i < words.size(); ++i) {
ss << " " << words[i];
}
server.broadcast(ss.str());
} else if (words[0] == "move") {
if (!playing || current_color != player_color(player) ||
words.size() != 3) {
server.send(player, "error move");
return;
}
boost::optional<Square> maybe_from = read_square(words[1]);
boost::optional<Square> maybe_to = read_square(words[2]);
if (!maybe_from || !maybe_to) {
error(server, player);
return;
}
boost::optional<MoveResult> maybe_move_result =
try_move(board, player_color(player), *maybe_from, *maybe_to);
if (!maybe_move_result) {
server.send(player, "error move");
return;
}
current_color = current_color == WHITE ? BLACK : WHITE;
if (maybe_move_result->opponent_cannot_move) {
reset_waiting();
}
server.broadcast(show(*maybe_move_result));
} else if (words[0] == "resign") {
if (!playing || current_color != player_color(player)) {
error(server, player);
return;
}
reset_waiting();
server.broadcast("resign");
} else {
error(server, player);
}
}