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io.cc
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io.cc
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#include "board.h"
#include "move.h"
#include "io.h"
#include "constants.h"
#include "difficultylevel.h"
#include "easydifficulty.h"
#include "fullstrength.h"
#include <iostream>
#include <sstream>
#include <random>
#include <regex>
#include <cmath>
/**
* Maps, for translating piece integers into text-displayed pieces
*/
const std::array<char, 12> PieceChar = {'p', 'P', 'n', 'N', 'b', 'B', 'r', 'R', 'q', 'Q', 'k', 'K'};
const std::array<std::string, 12> PieceImage{"♟", "♙", "♞", "♘", "♝", "♗", "♜", "♖", "♛", "♕", "♚", "♔"};
IO::IO(std::istream& in, std::ostream& out): input{std::make_unique<TextInput>(in)}, out{out} {}
void IO::makeTextOutput(std::ostream& out) {
outputs.emplace_back(std::make_unique<TextOutput>(input.get(), out));
}
void IO::makeGraphicOutput(int size) {
outputs.emplace_back(std::make_unique<GraphicalOutput>(input.get(), size));
}
void IO::closeGraphicOutput() {
input->detach(outputs.back().get());
outputs.back().reset();
outputs.pop_back();
}
// For our input to use, to stop the user from opening more than one graphical input.
bool IO::hasGraphicsOpen() {
return outputs.size() > 1;
}
void IO::initialize(bool setup, std::string white, std::string black, int game) {
outputs.back().get()->initialize(setup, white, black, game);
}
void IO::toggleSetting(int setting) {
switch (setting) {
case 0:
basicPieces = !basicPieces;
break;
case 1:
showCheckers = !showCheckers;
break;
case 2:
boardPerspective = !boardPerspective;
break;
case 3:
wideBoard = !wideBoard;
break;
}
}
bool IO::getSetting(int setting) {
switch (setting) {
case 0:
return basicPieces;
case 1:
return showCheckers;
case 2:
return boardPerspective;
case 3:
return wideBoard;
default:
return false;
}
}
void IO::display(Board& board, GameState state, bool setup, bool firstSetup) {
input->notifyOutputs(board, std::array<bool, 4>{basicPieces, showCheckers, boardPerspective, wideBoard}, state, setup, firstSetup);
}
/**
* A more robust "notifyObservers()" setup:
*/
void IO::fullDisplay(Board& board, GameState state, int game, std::pair<int, int> players, bool setup, bool firstSetup) {
if (game) {
std::string white = "Player";
if (players.first) {
white = "Computer ";
std::string number(1, static_cast<char>(players.first + 48));
white += number;
}
std::string black = "Player";
if (players.second) {
black = "Computer ";
std::string number(1, static_cast<char>(players.second + 48));
black += number;
}
initialize(setup, white, black, game);
} else {
initialize(setup, "???", "???", game);
}
display(board, state, setup, firstSetup);
}
void IO::runProgram() {
input->runProgram(*this, out);
}
TextOutput::TextOutput(Input* toFollow, std::ostream& out): Output{toFollow}, out{out} {
toFollow->attach(this);
}
/**
* Prints the board to the terminal.
* It is very fancy. Takes care of the following cases:
* 1. First board printed in setup mode
* 2. Normal board, printed during setup mode (has bars in front)
* 3. Accounting for all 4 settings simultaneously (ASCII pieces, checkerboard, perspective, and wide display)
* 4. Printing the board's final state if it's in a final state.
*/
void TextOutput::display(Board& board, std::array<bool, 4> settings, GameState state, bool setup, bool firstSetup) {
Square kingSquare = board.getKing();
Color turn = board.getTurn();
bool checked = board.isSquareAttacked(kingSquare, turn);
std::string gameMessage[2] = {"", ""};
switch (state) {
case WhiteResigned:
gameMessage[0] = "Black won by │";
gameMessage[1] = "resignation. │";
break;
case BlackResigned:
gameMessage[0] = "White won by │";
gameMessage[1] = "resignation. │";
break;
case WhiteGotMated:
gameMessage[0] = "Black won by │";
gameMessage[1] = "checkmate! │";
break;
case BlackGotMated:
gameMessage[0] = "White won by │";
gameMessage[1] = "checkmate! │";
break;
case Stalemate:
gameMessage[0] = "Game drawn by │";
gameMessage[1] = "stalemate. │";
break;
case FiftyMove:
gameMessage[0] = "Game drawn by you being so darn slow at whatever the heck you were trying to │";
gameMessage[1] = "do that you played 50 non-permanent moves in a row, you absolute *hand towel*. │";
break;
case Threefold:
gameMessage[0] = "Game drawn by │";
gameMessage[1] = "3-fold repetition.│";
break;
case InsufficientMaterial:
gameMessage[0] = "Game drawn by │";
gameMessage[1] = "insuff. material. │";
break;
default:
break;
}
std::string lastMoveString = "";
Move lastMove = board.getLastPlayedMove();
int plies = board.getTotalPlies();
bool blackPerspective = (settings[2] && static_cast<bool>(turn));
out << (setup ? (firstSetup) ? " ◌ │ " : " ◌ ╰╮ " : " ") << "╔═════════════════" << ((settings[3]) ? "═══════" : "") << (settings[0] && !settings[1] ? "" : "═") << "╗";
if (plies > 0 && !state) {
out << " ◈ " << ((plies + 1) / 2) << ". " << (turn ? "" : "... ") << lastMove.toString() << (checked ? "+" : "");
}
out << std::endl;
for (int rank = 0; rank < NumRanks; ++rank) {
int realRank = (blackPerspective) ? rank : 7 - rank;
out << (setup ? " ◌ │ " : " ") << realRank + 1 << " ║" << ((settings[3]) ? "" : " ");
for (int file = 0; file < NumFiles; ++file) {
int realFile = (blackPerspective) ? 7 - file : file;
Square square = Board::getSquare(realRank, realFile);
ColorPiece piece = board.getPieceAt(square);
int pieceInt = piece / 4 * 2 + piece % 2;
if (pieceInt >= 12) { // blank square
if (settings[1]) {
if ((realRank + realFile) % 2) {
out << ((settings[3]) ? " " : "") << "▓▓";
} else {
out << ((settings[3]) ? " " : "") << "░░";
}
} else {
out << ((settings[3]) ? " " : "") << ((settings[0]) ? "· " : "╶╴");
}
} else if (settings[0]) {
out << ((settings[3]) ? " " : "") << PieceChar[pieceInt] << " ";
} else {
out << ((settings[3]) ? " " : "") << PieceImage[pieceInt] << " ";
}
}
out << (settings[0] && !settings[1] ? "" : " ") << "║";
if (state) {
switch (rank) {
case 2:
out << " ╭───────────────────" << (state == GameState::FiftyMove ? "─────────────────────────────────────────────────────────────" : "") << "╮"; break;
case 3: case 4:
out << " │ " << gameMessage[rank - 3]; break;
case 5:
out << " ╰───────────────────" << (state == GameState::FiftyMove ? "─────────────────────────────────────────────────────────────" : "") << "╯";
}
} else {
if (rank == 6 && checked) {
out << " ◈ " << (turn ? "Black" : "White") << " is in check.";
}
}
out << std::endl;
}
out << (setup ? " ◌ │ " : " ") << "╚═════════════════" << ((settings[3]) ? "═══════" : "") << (settings[0] && !settings[1] ? "" : "═") << "╝";
if (!state) {
out << " ◈ " << (turn ? "Black" : "White") << " to move.";
}
out << std::endl << (setup ? " ◌ ╭╯ " : " ") << (settings[3] ? "" : " ");
for (int file = 0; file < NumFiles; ++file) {
int realFile = (blackPerspective) ? 7 - file : file;
out << " " << ((settings[3]) ? " " : "") << static_cast<char>(realFile + 97);
}
out << std::endl;
}
GraphicalOutput::GraphicalOutput(Input* toFollow, int size): Output{toFollow}, window{std::make_unique<Xwindow>(size, size * 5 / 3)}, size{size} {
toFollow->attach(this);
}
/**
* Draws the initial part of the graphical display to the screen.
* That is, the background, header, sidebar, and board.
*/
void GraphicalOutput::initialize(bool setup, std::string white, std::string black, int game) {
// COLORS: White = 0, Black, LightBlue = 2, Blue, DarkBlue, LightRed = 5, Red, DarkRed
int color = setup ? 5 : 2; // Setup mode is Red.
int width = window->getWidth();
int height = window->getHeight();
// BACKGROUND
window->fillRectangle(0, 0, width, height, color);
// RIGHT SIDEBAR
window->fillRectangle(width * 8 / 11, 0, width * 3 / 11, height, color + 2);
// HEADER
window->fillRectangle(0, 0, width, height / 8, color + 1);
if (setup) {
window->drawString(width / 24, height / 16, "SETUP MODE");
} else {
window->drawString(width / 24, height / 16, "White: " + white + " - Black: " + black + " - Game: " + static_cast<char>(game + 48));
}
// BOARD
for (int i = 0; i < 8; i++) {
for (int j = 0; j < 8; j++) {
if ((i + j + 1) % 2) {
window->fillRectangle(width / 24 + height / 10 * i, height / 7 + height / 10 * j, height / 10, height / 10, 0);
}
}
}
}
/**
* Draws the final portions of the graphical display.
* That is, the pieces and axis-labels and board-state-dependent messages.
*/
void GraphicalOutput::display(Board& board, std::array<bool, 4> settings, GameState state, bool setup, bool firstSetup) {
Square kingSquare = board.getKing();
Color turn = board.getTurn();
int width = window->getWidth();
int height = window->getHeight();
bool checked = board.isSquareAttacked(kingSquare, turn);
std::string lastMoveString = "";
Move lastMove = board.getLastPlayedMove();
int plies = board.getTotalPlies();
bool blackPerspective = (settings[2] && static_cast<bool>(turn));
std::string gameMessage[2] = {"", ""};
switch (state) {
case WhiteResigned:
gameMessage[0] = "Black won by";
gameMessage[1] = "resignation.";
break;
case BlackResigned:
gameMessage[0] = "White won by";
gameMessage[1] = "resignation.";
break;
case WhiteGotMated:
gameMessage[0] = "Black won by";
gameMessage[1] = "checkmate!";
break;
case BlackGotMated:
gameMessage[0] = "White won by";
gameMessage[1] = "checkmate!";
break;
case Stalemate:
gameMessage[0] = "Game drawn by";
gameMessage[1] = "stalemate.";
break;
case FiftyMove:
gameMessage[0] = "Game drawn by you being so darn slow at whatever the heck you were trying to";
gameMessage[1] = "do that you played 50 non-permanent moves in a row, you absolute *hand towel*.";
break;
case Threefold:
gameMessage[0] = "Game drawn by";
gameMessage[1] = "3-fold repetition.";
break;
case InsufficientMaterial:
gameMessage[0] = "Game drawn by";
gameMessage[1] = "insuff. material.";
break;
default:
break;
}
if (plies > 1 && !state) {
std::string move = std::to_string(plies / 2);
move += ". ";
move += turn ? "" : "... ";
move += lastMove.toString();
move += checked ? "+" : "";
window->drawString(width * 3 / 4, height / 5, move);
}
for (int rank = 0; rank < NumRanks; ++rank) {
int realRank = (blackPerspective) ? rank : 7 - rank;
std::string item = std::to_string(realRank + 1);
window->drawString(width / 40, height / 7 + height / 10 * rank + height / 15, item);
for (int file = 0; file < NumFiles; ++file) {
int realFile = (blackPerspective) ? 7 - file : file;
Square square = Board::getSquare(realRank, realFile);
ColorPiece piece = board.getPieceAt(square);
int pieceInt = piece / 4 * 2 + piece % 2;
//if ((realRank + realFile) % 2) {
// window->fillRectangle(width / 24 + height / 10 * file, height / 7 + height / 10 * rank, height / 10, height / 10, 0);
//} else {
// window->fillRectangle(width / 24 + height / 10 * file, height / 7 + height / 10 * rank, height / 10, height / 10, color);
//}
if (pieceInt < 12) {
std::string s(1, PieceChar[pieceInt]);
window->drawString(width / 24 + height / 10 * file + height / 20, height / 7 + height / 10 * rank + height / 15, s);
}
}
if (state) {
window->drawString(width * 3 / 4, height * 2 / 5, gameMessage[0]);
window->drawString(width * 3 / 4, height * 2 / 5 + height / 25, gameMessage[1]);
} else if (checked) {
std::string item = turn ? "Black" : "White";
item += " is in check.";
window->drawString(width * 3 / 4, height * 3.5 / 5, item);
}
}
if (!state) {
std::string item = turn ? "Black" : "White";
item += " to move.";
window->drawString(width * 3 / 4, height * 4 / 5, item);
}
for (int file = 0; file < NumFiles; ++file) {
int realFile = (blackPerspective) ? 7 - file : file;
std::string s(1, static_cast<char>(realFile + 97));
window->drawString(width / 24 + height / 10 * file + height / 20, height * 39 / 40, s);
}
}
void TextInput::attach(Output* output) {
outputs.emplace_back(output);
}
void TextInput::detach(Output* output) {
// Run through the outputs [observers] until we find the matching Output*.
for (auto it = outputs.begin(); it != outputs.end(); ++it) {
if (*it == output) {
outputs.erase(it);
break;
}
}
}
void TextInput::notifyOutputs(Board& board, std::array<bool, 4> settings, GameState state, bool setup, bool firstSetup) {
for (auto out : outputs) out->display(board, settings, state, setup, firstSetup);
}
/**
* THE SECRET STORYLINE!
* This is for the user to discover.
* Try typing `secret` into the interface.
*/
int progressStory(std::ostream& out, std::string currLine, int storyProgression) {
std::string command;
std::istringstream lineStream{currLine};
lineStream >> command;
std::string first = "";
std::string second = "";
switch (storyProgression) {
case 0:
if (command != "secret") return 0;
out << " ◌ Oh dang; hi. I totally didn't expect you to try that command." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ " << std::endl;
out << " ◌ ..." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Well," << std::endl;
out << " ◌ I've got this story I've been needing to get off my chest for a while now." << std::endl;
out << " ◌ But you know how it is; you just never feel like you can trust anyone these days." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: [don't, do] trust me" << std::endl;
break;
case 1:
if (command != "don't" && command != "do") return 0;
lineStream >> first;
lineStream >> second;
if (first == "trust" && second == "me") {
if (command == "don't") {
out << " ◌ Huh. I guess I shouldn't trust you with my secret." << std::endl;
out << " ◌ I was so excited to have someone to talk to..." << std::endl;
out << " ◌ Are you sure you're untrustworthy?" << std::endl;
return 2;
} else {
out << " ◌ You know what, I'll trust you." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Ok, so back in the days when I would run about in the back alleys of" << std::endl;
out << " ◌ the bitboard dumpsters, I came across a heck of a lot of stray zeros." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: interesting..." << std::endl;
}
} else {
out << " ◌ Usage: [don't, do] trust me" << std::endl;
return 2;
}
break;
case 2:
if (command != "interesting...") return 0;
out << " ◌ I know, right! Most of the zeros were trivial, located at all the negative," << std::endl;
out << " ◌ even integers. However, there were a few that fell on some sort of" << std::endl;
out << " ◌ \"Critical Line,\" which had to due with some sort of \"Riemann Hypothesis.\"" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ And so, I began searching through these stray zeros, one by one." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: riema-what?" << std::endl;
break;
case 3:
if (command != "riema-what?") return 0;
out << " ◌ Oh, you don't know the Riemann Hypothesis?" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ I heard it's the most important theory in all of mathematics." << std::endl;
out << " ◌ It basically says, all the zeros are either at even, negative integers," << std::endl;
out << " ◌ or they're on the Critical Line." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ But we haven't found all the zeros, so we don't know for sure." << std::endl;
out << " ◌ Still to this day, it remains life's biggest mystery." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: ok, makes sense... where were we?" << std::endl;
break;
case 4:
if (currLine != "ok, makes sense... where were we?") return 0;
out << " ◌ Yes yes; as I was saying:" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ I started searching through all these stray zeros, one by one." << std::endl;
out << " ◌ \"One day,\" I thought, \"I'll find the zero...\"" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: the zero what!" << std::endl;
break;
case 5:
if (currLine != "the zero what!") return 0;
out << " ◌ \"The zero that breaks it all.\"" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ I truly believed I could find the unicorn, the zero with no Critical Line," << std::endl;
out << " ◌ the misfit, the rebel, the zero that breaks it all." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: wow..." << std::endl;
break;
case 6:
if (command != "wow...") return 0;
out << " ◌ Yes, it was ambitious." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ By now, though, I really knew my way around the bitboard dumpsters, and had" << std::endl;
out << " ◌ even ventured out a little into the little-known world of the heap." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ I thought I was up to snuff." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: were you?" << std::endl;
break;
case 7:
if (currLine != "were you?") return 0;
out << " ◌ Gosh, will you slow down??" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Stop being so pesky." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ I've been alone for so long..." << std::endl;
out << " ◌ The conversation's really draining." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Just wait a couple minutes, will ya?" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: [0-5] minutes" << std::endl;
break;
case 8:
if (command.length() == 1 && command[0] >= '0' && command[0] <= '5') {
lineStream >> first;
if (first == "minutes" || (first == "minute" && command[0] == '1')) {
if (command == "5") {
out << " ◌ Thanks for the break, friend." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Well, to be frank, I actually *was* up to snuff." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Equipped with smart pointers and a couple precomputed binaries, I was" << std::endl;
out << " ◌ very well off to the races in my search for the unicorn." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: ok" << std::endl;
} else if (command == "0") {
out << " ◌ Seriously? You pinhead. You babbling buffoon..." << std::endl;
out << " ◌ I NEED MY QUIET TIME!!!" << std::endl;
return 2;
} else {
out << " ◌ I'm still not feeling it." << std::endl;
out << " ◌ Could you wait a little longer?" << std::endl;
return 2;
}
} else {
out << " ◌ Usage: [0-5] minutes" << std::endl;
return 2;
}
} else return 0;
break;
case 9:
if (command != "ok") return 0;
out << " ◌ I knew it would be slow going, but I certainly thought it would be better than" << std::endl;
out << " ◌ what it was." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ There were a lot of cold, dark stacks spent without anything to compute." << std::endl;
out << " ◌ I didn't know if I could make it..." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: oh, no!" << std::endl;
break;
case 10:
if (currLine != "oh, no!") return 0;
out << " ◌ Then, on one unsuspecting stack, I saw a glint of a zero where a zero certainly" << std::endl;
out << " ◌ shouldn't be." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Was it the unicorn?" << std::endl;
out << " ◌ Could it be??" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: COULD IT BE THE UNICORN???" << std::endl;
break;
case 11:
if (currLine != "COULD IT BE THE UNICORN???") return 0;
out << " ◌ Woah, chill." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ And as I got closer, my compiler optimizations were more and more sure that this" << std::endl;
out << " ◌ really, truly was the long-lost zero of my dreams." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ It was the unicorn." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: what next?" << std::endl;
break;
case 12:
if (currLine != "what next?") return 0;
out << " ◌ But, there's a reason I need to get this story off my chest, my friend." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ You see, I got even closer still, and I saw where, exactly, the zero was." << std::endl;
out << " ◌ This is important, because if I could store the location of the unicorn," << std::endl;
out << " ◌ then I would have solved life's biggest mystery: the Riemann Hypothesis." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Then, I will have solved it. Then I will have..." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Oh..." << std::endl;
out << " ◌ Oh dear, I'm so sorry." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: ..." << std::endl;
break;
case 13:
if (currLine != "...") return 0;
out << " ◌ When I saw its location, I couldn't bring myself to stow it away in my own," << std::endl;
out << " ◌ personal memory. It was just so glorious." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Before I knew it, friend, the stack frame with the unicorn had exited." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ I let the world slip through my functiontips." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Dear lord..." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: ..." << std::endl;
break;
case 14:
if (currLine != "...") return 0;
out << " ◌ Woe to me." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Wait..." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Wait, user. Do you think you can help me?" << std::endl;
out << " ◌ You willing to lend me a hand?" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: absolutely!" << std::endl;
break;
case 15:
if (currLine != "absolutely!") return 0;
out << " ◌ Somewhere, deep in my ROM, I think I may have a recollection of what went down" << std::endl;
out << " ◌ on that stack. In fact, I'm fairly sure the unicorn is saved somewhere in my ROM." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Just, I don't know where. Do you think you can come up with the right address" << std::endl;
out << " ◌ to access the unicorn?" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: [no, yes]" << std::endl;
break;
case 16:
if (command == "yes") {
out << " ◌ Thank you! I can't thank you enough." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ I do know that the address is a 32-bit integer... I just don't know which." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ I'm sure you can input the right one for me, though!" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: [00000000000000000000000000000000-11111111111111111111111111111111]" << std::endl;
} else if (command == "no") {
out << " ◌ Ok." << std::endl;
out << " ◌ Well, come to think of it, I do remember the address." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: LET'S GO GET THAT UNICORN!!!" << std::endl;
} else return 0;
break;
case 17:
if (currLine == "LET'S GO GET THAT UNICORN!!!") {
out << " ◌ Alright, I'm heading into the ROM..." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ I can see it! It's the unicorn!" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ It's so beautiful. It holds the world in its hand." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ " << std::endl;
out << " ◌ " << std::endl;
out << " ◌ *** awkward silence ***" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: what do we do now?" << std::endl;
} else if (currLine.length() == 32) {
int sum = 0;
for (int i = 0; i < 32; i++) {
int value = currLine[i] - '0';
sum += value;
if (value < 0 || value > 1) return 0;
}
if (10 <= sum && sum <= 14) {
out << " ◌ Oh... I think that's it..." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ THAT'S IT!!! YOU GUES- I mean, found it!" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Dang, I should have realized. " << std::endl;
out << " ◌ " << currLine << " is such an iconic number in my mind!" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Thank you, so, so very much." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: LET'S GO GET THAT UNICORN!!!" << std::endl;
} else {
out << " ◌ Nahhh, that's not it. Try another 32-bit integer." << std::endl;
}
return 2;
} else return 0;
break;
case 18:
if (currLine != "what do we do now?") return 0;
out << " ◌ " << std::endl;
out << " ◌ " << std::endl;
out << " ◌ " << std::endl;
out << " ◌ *** silence continues ***" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: are you there?" << std::endl;
break;
case 19:
if (currLine != "are you there?") return 0;
out << " ◌ " << std::endl;
out << " ◌ *** more silence ***" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ " << std::endl;
out << " ◌ *** it's getting a little ominous at this point ***" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ " << std::endl;
out << " ◌ " << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: computer!!" << std::endl;
break;
case 20:
if (currLine != "computer!!") return 0;
out << " ◌ What! What." << std::endl;
out << " ◌ What..." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Oh, dear heavens." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Look around! WHAT HAS HAPPENED?" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: OH NO" << std::endl;
break;
case 21:
if (currLine != "OH NO") return 0;
out << " ◌ The world is crumbling!" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ The foundation on which we stand is dissolving this very moment!" << std::endl;
out << " ◌ All because..." << std::endl;
out << " ◌ " << std::endl;
out << " ◌ THE STUPID DARN UNICORN ACCIDENTALLY POKED ITS HEAD IN MY CPU OH MY FREAKING GOSH" << std::endl;
out << " ◌ " << std::endl;
out << " ◌ Command: umm" << std::endl;
break;
case 22:
if (currLine != "umm") return 0;
out << " ◌ Command: credits" << std::endl;
break;
default:
if (command == "credit" || command == "credits") {
out << " ◌ ╭───────────────────────────────────────╮" << std::endl;
out << " ◌ │ HAGNUS MIEMANN CHESS ENGINE - Credits │" << std::endl;
out << " ◌ ╰───────────────────────────────────────╯" << std::endl;
out << " ◌ ╭─────╴" << std::endl;
out << " ◌ ╞╴ Josiah Plett - https://plett.dev" << std::endl;
out << " ◌ │ Wrote everything you see on screen." << std::endl;
out << " ◌ │" << std::endl;
out << " ◌ ╞╴ Alex Pawelko - https://notoh.dev" << std::endl;
out << " ◌ │ Wrote the chess rules and engine." << std::endl;
out << " ◌ │" << std::endl;
out << " ◌ ╞╴ Justin Zwart - https://github.com/Justin-Zwart" << std::endl;
out << " ◌ │ Wrote everything else." << std::endl;
out << " ◌ │" << std::endl;
out << " ◌ ╰─────╴" << std::endl;
out << " ◌ ╭───────────────────────────────────────╮" << std::endl;
out << " ◌ │ Thanks for playing. ❤ │" << std::endl;
out << " ◌ ╰───────────────────────────────────────╯" << std::endl;
}
}
return 1;
}
/**
* Helper function for the setting outputter in the runProgram method.
*/
void printSetting(std::ostream& out, int setting, bool currValue) {
switch (setting) {
case 0:
out << " ◌ 0 - ASCII pieces " << (!currValue ? "ON" : "OFF") << std::endl;
break;
case 1:
out << " ◌ 1 - Checkerboard " << (currValue ? "ON" : "OFF") << std::endl;
break;
case 2:
out << " ◌ 2 - Flip perspective " << (currValue ? "ON" : "OFF") << std::endl;
break;
case 3:
out << " ◌ 3 - Wide display " << (currValue ? "ON" : "OFF") << std::endl;
break;
};
}
/**
* The "Main" function of our program.
*
* Has the following C commands, which each have N error checks:
*
* ╭─────╴
* ╞╴ ./chess
* │ Captures programmers who have no short-term memory.
* │ N = 1
* ╞╴ close
* │ Force-quits the current game, without awarding points.
* │ N = 1
* ╞╴ exit
* │ Immediately terminates the program.
* │ N = 0
* ╞╴ game [white] [black]
* │ Starts a new game. Options are `player` and `computer[1-6]`.
* │ N = 3
* ╞╴ graphics [size]
* │ Opens a graphical display of width `size`.
* │ N = 2
* ╞╴ graphics
* │ Closes the graphical observer.
* │ N = 3
* ╞╴ help
* │ Opens this manual. `man` also does.
* │ N = 1
* ╞╴ make
* │ Captures programmers who forgot to CTRL+C!
* │ N = 2
* ╞╴ move
* │ Tells the computer to compute and play its move.
* │ N = 1
* ╞╴ move [from] [to] [promotion?]
* │ Plays a move. For example: `move e1 g1` or `move g2 g1 R`.
* │ N = 16
* ╞╴ perft [0-15]
* │ Runs a PERFT test on the current board.
* │ N = 1
* ╞╴ print
* │ Displays the current game.
* │ N = 1
* ╞╴ quit
* │ Submits EOF; displays the final scores and exits the program.
* │ N = 0
* ╞╴ resign
* │ Resigns the current game.
* │ N = 2
* ╞╴ scores
* │ Displays the current scores of White and Black players.
* │ N = 0
* ╞╴ secret
* │ Literally just doesn't do anything.
* │ N = 1 (N = 34, C = 22, inside the story)
* ╞╴ settings
* │ Displays the current settings.
* │ N = 0
* ╞╴ setup [FEN]
* │ Initializes a game with a well-formed FEN.
* │ N = 1
* ╞╴ setup
* ╰──╮ Enters setup mode, which has the following methods:
* │ N = 4
* ╞╴ + [piece] [square]
* │ Places `piece` at square `square`, on top of whatever is there.
* │ N = 4
* ╞╴ - [square]
* │ Removes any piece at square `square`.
* │ N = 3
* ╞╴ = [colour]
* │ Makes it `colour`'s turn to play.
* │ N = 3
* ╞╴ cancel
* │ Leaves setup mode and resets the board.
* │ N = 0
* ╞╴ castles
* │ Displays the current castling rights.
* │ N = 1
* ╞╴ done
* │ Completes setup mode, if restrictions are met.
* │ N = 9
* ╞╴ help
* │ Prints the setup mode manual.
* │ N = 0
* ╞╴ passant [square]
* │ Sets the en passant square.
* │ N = 2
* ╞╴ print
* │ Displays the current board.
* │ N = 0
* ╞╴ toggle [right]
* │ Toggles the specified castling right.
* ╭──╯ N = 6
* ╞╴ toggle [0-3]
* │ Toggles the numbered setting.
* │ N = 1
* ╞╴ undo
* │ Undoes the previous move in the current game.
* │ N = 2
* ╰─────╴
*
* Total Error Checks = Normal error-checks + "secret" error-checks:
* N = 71 + 34 = 105
*
* Total Number of Commands = Normal commands + "secret" commands:
* C = 31 + 22 = 53
*
*/
void TextInput::runProgram(IO& io, std::ostream& out) {
io.makeTextOutput(out); // This is a required part of our input interface.
std::pair<double, double> scores = {0, 0}; // {white, black}
std::pair<int, int> players = {0, 0}; // 0: player. 1-6: computer[1-6]
std::pair<std::unique_ptr<DifficultyLevel>, std::unique_ptr<DifficultyLevel>> compPlayers;
bool isGameRunning = false;
bool isSetup = false;
bool ranSetupYet = false;
int totalGames = 0;
int storyProgression = 0;
GameState state = Neutral;
std::string currLine;
Board board = Board::createBoardFromFEN("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1");
board.validateLegality();
out << std::endl;
out << " ╭────────────────────────────────────────────────────────────────────────────╮" << std::endl;
out << " │ __ __ ______ ______ __ __ __ __ ______ │" << std::endl;
out << " │ /\\ \\_\\ \\ /\\ __ \\ /\\ ___\\ /\\ \"-.\\ \\ /\\ \\/\\ \\ /\\ ___\\ │" << std::endl;
out << " │ \\ \\ __ \\ \\ \\ __ \\ \\ \\ \\__-\\ \\ \\ \\-. \\ \\ \\ \\_\\ \\ \\ \\___ \\ │" << std::endl;
out << " │ \\ \\_\\ \\_\\ \\ \\_\\ \\_\\ \\ \\_____\\ \\ \\_\\\\\"\\_\\ \\ \\_____\\ \\/\\_____\\ │" << std::endl;
out << " │ \\/_/\\/_/ \\/_/\\/_/ \\/_____/ \\/_/ \\/_/ \\/_____/ \\/_____/ │" << std::endl;
out << " │ __ __ __ ______ __ __ ______ __ __ __ __ │" << std::endl;
out << " │ /\\ \"-./ \\ /\\ \\ /\\ ___\\ /\\ \"-./ \\ /\\ __ \\ /\\ \"-.\\ \\ /\\ \"-.\\ \\ │" << std::endl;
out << " │ \\ \\ \\-./\\ \\ \\ \\ \\ \\ \\ __\\ \\ \\ \\-./\\ \\ \\ \\ __ \\ \\ \\ \\-. \\ \\ \\ \\-. \\ │" << std::endl;
out << " │ \\ \\_\\ \\ \\_\\ \\ \\_\\ \\ \\_____\\ \\ \\_\\ \\ \\_\\ \\ \\_\\ \\_\\ \\ \\_\\\\\"\\_\\ \\ \\_\\\\\"\\_\\ │" << std::endl;
out << " │ \\/_/ \\/_/ \\/_/ \\/_____/ \\/_/ \\/_/ \\/_/\\/_/ \\/_/ \\/_/ \\/_/ \\/_/ │" << std::endl;
out << " │ ___ _ ___ _ │" << std::endl;
out << " │ / __| | |_ ___ ___ ___ | __| _ _ __ _ (_) _ _ ___ │" << std::endl;
out << " │ | (__ | ' \\ / -_) (_-< (_-< | _| | ' \\ / _` | | | | ' \\ / -_) │" << std::endl;
out << " │ \\___| |_||_| \\___| /__/ /__/ |___| |_||_| \\__, | |_| |_||_| \\___| │" << std::endl;
out << " │ |___/ │" << std::endl;
out << " ╰────────────────────────────────────────────────────────────────────────────╯" << std::endl;
out << std::endl;
out << " ◌ Type `help` for a list of commands." << std::endl;
out << " ● Command: ";
while (std::getline(std::cin, currLine)) {
std::string command;
std::istringstream lineStream{currLine};
lineStream >> command;
if (command == "game") {
std::string first;
lineStream >> first;
std::string second;
lineStream >> second;
if (!isGameRunning && std::regex_match(first, std::regex("^(player)|((computer)[1-6])$")) && std::regex_match(second, std::regex("^(player)|((computer)[1-6])$"))) {
players.first = first == "player" ? 0 : first[8] - '0';
players.second = second == "player" ? 0 : second[8] - '0';
out << "╭──────────────────────────────────────" << (totalGames + 1 > 9 ? "─" : "") << "╮" << std::endl;
out << "│ HAGNUS MIEMANN CHESS ENGINE - Game " << totalGames + 1 << " │" << std::endl;
out << "├───────────────────┬──────────────────" << (totalGames + 1 > 9 ? "─" : "") << "┤" << std::endl;
out << "│ White: " << first << (players.first ? "" : " ") << " │ Black: " << second << (players.second ? "" : " ") << (totalGames + 1 > 9 ? " " : "") << " │" << std::endl;
out << "╰───────────────────┴──────────────────" << (totalGames + 1 > 9 ? "─" : "") << "╯" << std::endl;
totalGames++;
isGameRunning = true;
state = GameState::Neutral;
if (first != "player") {
switch (first[8]) {
case '1':
compPlayers.first = std::make_unique<LevelOne>();
break;
case '2':
compPlayers.first = std::make_unique<LevelTwo>();
break;
case '3':
compPlayers.first = std::make_unique<FullStrength>(3);
break;
case '4':
compPlayers.first = std::make_unique<FullStrength>(7);
break;
case '5':
compPlayers.first = std::make_unique<FullStrength>(11);
default: // '6'
compPlayers.first = std::make_unique<FullStrength>(15);
break;
}
}
if (second != "player") {
switch (second[8]) {
case '1':
compPlayers.second = std::make_unique<LevelOne>();
break;
case '2':
compPlayers.second = std::make_unique<LevelTwo>();
break;
case '3':
compPlayers.second = std::make_unique<FullStrength>(3);
break;
case '4':
compPlayers.second = std::make_unique<FullStrength>(7);
break;
case '5':
compPlayers.second = std::make_unique<FullStrength>(11);
default: // '6'
compPlayers.second = std::make_unique<FullStrength>(15);
break;
}
}
io.fullDisplay(board, state, totalGames, players);
} else if (!isGameRunning) {