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main.cpp
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#include "eventHandler.h"
#include "position.h"
#include "piece.h"
#include "table.h"
#include <SFML/Graphics.hpp>
#include <thread>
#include <mutex>
#include <fstream>
eventHandler<void(const sf::Event &)> onEvent;
std::mutex globalMutex;
void move(piece p, int ax, int ay, int d = (int)table::size, std::vector<position> &positions = table::positions, std::vector<piece> pieces = table::pieces){
for (int i = 0, x = 0, y = 0; i < d; i++, x+=ax, y+=ay) {
auto it = std::find_if(positions.begin(), positions.end(),
[x, y, &p](const position &pos) { return pos.pos == sf::Vector2i{x, y} + p.pos; });
if (it != positions.end()) {
auto pc = std::find_if(pieces.begin(), pieces.end(),
[x, y, &p](const piece &piece) { return piece.pos == sf::Vector2i{x, y} + p.pos; });
if (pc == pieces.end() || pc->pos == p.pos) it->possible = true;
else {
it->possible = pc->c != p.c;
break;
}
}
}
}
bool hasMouseBounds(const sf::Sprite& drawable, const sf::Window& window){
return drawable.getGlobalBounds().contains((sf::Vector2f)sf::Mouse::getPosition(window));
}
void checkPieces(const piece &p, std::vector<position> &positions = table::positions, std::vector<piece> pieces = table::pieces){
switch (p.p){
case enums::bishop:
move(p, 1, 1, (int)table::size, positions, pieces);
move(p, -1, 1, (int)table::size, positions, pieces);
move(p, 1, -1, (int)table::size, positions, pieces);
move(p, -1, -1, (int)table::size, positions, pieces);
break;
case enums::horse:
for (position &pos : positions) {
sf::Vector2i diff = pos.pos - p.pos;
if (pos.pos == p.pos) pos.possible = true;
if (std::abs(diff.x) + std::abs(diff.y) != 3 || pos.pos.x == p.pos.x || pos.pos.y == p.pos.y) continue;
sf::Vector2i mv = pos.pos;
pos.possible = std::find_if(pieces.begin(), pieces.end(), [&mv, &p](const piece &pc) { return pc.pos == mv && p.c == pc.c; }) == pieces.end();
}
break;
case enums::king:
for (position &pos : positions) {
sf::Vector2i diff = pos.pos - p.pos;
if (diff.y > 1 || diff.x > 1 || diff.x < -1 || diff.y < -1) continue;
sf::Vector2i mv = pos.pos;
pos.possible = std::find_if(pieces.begin(), pieces.end(), [&mv, &p](const piece &pc) { return pc.pos == mv && p.c == pc.c; }) == pieces.end() || pos.pos == p.pos;
}
break;
case enums::pawn:
if (std::find_if(pieces.begin(), pieces.end(), [&p](const piece& piece) -> bool{
return p.pos + sf::Vector2i{0, p.c == enums::white ? -1 : 1} == piece.pos;
}) == pieces.end()) {
move(p, 0, p.c == enums::white ? -1 : 1, p.hasMoved ? 2 : 3, positions, pieces);
}else{
move(p, 0, 1, 1, positions, pieces);
}
if (std::find_if(pieces.begin(), pieces.end(), [&p](const piece& piece) -> bool{
return p.pos + sf::Vector2i{1, p.c == enums::white ? -1 : 1} == piece.pos;
}) != pieces.end()) {
move(p, 1, p.c == enums::white ? -1 : 1, 2, positions, pieces);
}
if (std::find_if(pieces.begin(), pieces.end(), [&p](const piece& piece) -> bool{
return p.pos + sf::Vector2i{-1, p.c == enums::white ? -1 : 1} == piece.pos;
}) != pieces.end()) {
move(p, -1, p.c == enums::white ? -1 : 1, 2, positions, pieces);
}
break;
case enums::queen:
move(p, 1, 1, (int)table::size, positions, pieces);
move(p, -1, 1, (int)table::size, positions, pieces);
move(p, 1, -1, (int)table::size, positions, pieces);
move(p, -1, -1, (int)table::size, positions, pieces);
move(p, 1, 0, (int)table::size, positions, pieces);
move(p, -1, 0, (int)table::size, positions, pieces);
move(p, 0, 1, (int)table::size, positions, pieces);
move(p, 0, -1, (int)table::size, positions, pieces);
break;
case enums::tower:
move(p, 1, 0, (int)table::size, positions, pieces);
move(p, -1, 0, (int)table::size, positions, pieces);
move(p, 0, 1, (int)table::size, positions, pieces);
move(p, 0, -1, (int)table::size, positions, pieces);
break;
}
}
int main() {
bool error = false;
std::string error_message;
sf::RenderWindow window{{800, 800}, "Chess"};
window.setFramerateLimit(60);
sf::Vector2f current_windowSize = (sf::Vector2f)window.getSize();
piece::w = &window;
sf::Font font;
font.loadFromFile("./retro.ttf");
sf::Image img;
img.loadFromFile("./icon.png");
window.setIcon(img.getSize().x, img.getSize().y, img.getPixelsPtr());
tex_pieces.loadPieces();
sf::Event ev{};
piece* touchedPiece = nullptr;
sf::Vector2i savedPosition;
enums::color current_team = enums::white;
bool selectPieceMenu = false;
enums::color selectPieceMenuColor = enums::white;
piece* pieceToChange = nullptr;
sf::Sprite sel_queen, sel_horse, sel_tower, sel_bishop;
std::ifstream stream{"table.tbs"};
if (!stream.is_open()){
std::cerr << "file table.tbs is missing creating it...";
std::ofstream create_stream{"table.tbs"};
create_stream << "ck true"
"tb 8\n"
"bt bh bb bq bk bb bh bt\n"
"bp bp bp bp bp bp bp bp\n"
"mt mt mt mt mt mt mt mt\n"
"mt mt mt mt mt mt mt mt\n"
"mt mt mt mt mt mt mt mt\n"
"mt mt mt mt mt mt mt mt\n"
"wp wp wp wp wp wp wp wp\n"
"wt wh wb wq wk wb wh wt\n"
"end";
create_stream.close();
stream.open("table.tbs");
}
std::string curr;
while (curr != "end"){
if (stream.eof()) break;
stream >> curr;
if (curr == "ck") {
std::string value;
stream >> value;
table::ck = string_utilities::to_lower(value) == "true";
}
if (curr == "tb") {
stream >> table::size;
for (int i = 0; i < (int)(table::size*table::size); i++) {
std::string name;
stream >> name;
if (name == "mt")
continue;
if (name == "bk")
table::pieces.emplace_back(enums::king, enums::black, sf::Vector2i{i % (int)table::size, i / (int)table::size});
else if (name == "bq")
table::pieces.emplace_back(enums::queen, enums::black, sf::Vector2i{i % (int)table::size, i / (int)table::size});
else if (name == "bb")
table::pieces.emplace_back(enums::bishop, enums::black, sf::Vector2i{i % (int)table::size, i / (int)table::size});
else if (name == "bh")
table::pieces.emplace_back(enums::horse, enums::black, sf::Vector2i{i % (int)table::size, i / (int)table::size});
else if (name == "bt")
table::pieces.emplace_back(enums::tower, enums::black, sf::Vector2i{i % (int)table::size, i / (int)table::size});
else if (name == "bp")
table::pieces.emplace_back(enums::pawn, enums::black, sf::Vector2i{i % (int)table::size, i / (int)table::size});
else if (name == "wk")
table::pieces.emplace_back(enums::king, enums::white, sf::Vector2i{i % (int)table::size, i / (int)table::size});
else if (name == "wq")
table::pieces.emplace_back(enums::queen, enums::white, sf::Vector2i{i % (int)table::size, i / (int)table::size});
else if (name == "wb")
table::pieces.emplace_back(enums::bishop, enums::white, sf::Vector2i{i % (int)table::size, i / (int)table::size});
else if (name == "wh")
table::pieces.emplace_back(enums::horse, enums::white, sf::Vector2i{i % (int)table::size, i / (int)table::size});
else if (name == "wt")
table::pieces.emplace_back(enums::tower, enums::white, sf::Vector2i{i % (int)table::size, i / (int)table::size});
else if (name == "wp")
table::pieces.emplace_back(enums::pawn, enums::white, sf::Vector2i{i % (int)table::size, i / (int)table::size});
else {
error = true;
error_message = string_utilities::format("invalid table layout value: \"{0}\"", name);
break;
}
}
if (error) break;
}
}
if (error){
sf::Event errEvent{};
while (window.isOpen()){
while (window.pollEvent(errEvent)){
if (errEvent.type == sf::Event::Closed || errEvent.type == sf::Event::KeyPressed) window.close();
if (errEvent.type == sf::Event::Resized) window.setView(sf::View{sf::FloatRect{0, 0, (float)errEvent.size.width, (float)errEvent.size.height}});
}
window.clear(sf::Color::Blue);
sf::Text txt;
txt.setCharacterSize(24);
txt.setFont(font);
txt.setFillColor(sf::Color::White);
txt.setString(error_message + "\n\nPress any key to exit...");
window.draw(txt);
window.display();
}
return -1;
}
for (int i = 0; i < (int)table::size; i++) {
for (int l = 0; l < (int)table::size; l++) {
table::positions.emplace_back(
(i ^ l) % 2 == 0 ? enums::black : enums::white,
sf::Vector2i{l, i},
window
);
}
}
onEvent += [&window, ¤t_windowSize, &touchedPiece, &savedPosition, ¤t_team, &selectPieceMenu, &selectPieceMenuColor, &pieceToChange, &sel_tower, &sel_queen, &sel_horse, &sel_bishop](const sf::Event &event) -> void {
if (event.type == sf::Event::Closed) window.close();
if (event.type == sf::Event::Resized) current_windowSize = {(float)event.size.width, (float)event.size.height};
if (event.type == sf::Event::MouseButtonPressed) {
if (selectPieceMenu) {
if (hasMouseBounds(sel_tower, window)) {
selectPieceMenu = false;
pieceToChange->p = enums::tower;
pieceToChange->updateTexture();
pieceToChange = nullptr;
} else if (hasMouseBounds(sel_bishop, window)) {
selectPieceMenu = false;
pieceToChange->p = enums::bishop;
pieceToChange->updateTexture();
pieceToChange = nullptr;
} else if (hasMouseBounds(sel_horse, window)) {
selectPieceMenu = false;
pieceToChange->p = enums::horse;
pieceToChange->updateTexture();
pieceToChange = nullptr;
} else if (hasMouseBounds(sel_queen, window)) {
selectPieceMenu = false;
pieceToChange->p = enums::queen;
pieceToChange->updateTexture();
pieceToChange = nullptr;
}
return;
}
for (piece& p : table::pieces) {
p.updatePiece();
if (hasMouseBounds(p, window)) {
if (p.c != current_team) return;
touchedPiece = &p;
switch (p.p){
case enums::bishop:
move(p, 1, 1);
move(p, -1, 1);
move(p, 1, -1);
move(p, -1, -1);
break;
case enums::horse:
for (position &pos : table::positions) {
sf::Vector2i diff = pos.pos - p.pos;
if (pos.pos == p.pos) pos.possible = true;
if (std::abs(diff.x) + std::abs(diff.y) != 3 || pos.pos.x == p.pos.x || pos.pos.y == p.pos.y) continue;
sf::Vector2i mv = pos.pos;
pos.possible = std::find_if(table::pieces.begin(), table::pieces.end(), [&mv, &p](const piece &pc) { return pc.pos == mv && p.c == pc.c; }) == table::pieces.end();
}
break;
case enums::king: {
std::vector<piece> pieces = table::pieces;
pieces.erase(std::find(pieces.begin(), pieces.end(), p));
for (const piece &z : table::pieces){
if (z.c != p.c)
checkPieces(z, table::positions, pieces);
}
std::vector<position> copy = table::positions;
for (position &pos: table::positions) pos.possible = false;
for (position &pos: table::positions) {
sf::Vector2i diff = pos.pos - p.pos;
if (diff.y > 1 || diff.x > 1 || diff.x < -1 || diff.y < -1) continue;
sf::Vector2i mv = pos.pos;
pos.possible = std::find_if(table::pieces.begin(), table::pieces.end(),
[&mv, &p](const piece &pc) {
return pc.pos == mv && p.c == pc.c;
}) == table::pieces.end() || pos.pos == p.pos;
pos.possible = pos.possible && (std::find_if(copy.begin(),
copy.end(), [&mv](const position &pos){return pos.pos == mv && pos.possible;}) == copy.end() || table::ck);
}
break;
}
case enums::pawn:
if (std::find_if(table::pieces.begin(), table::pieces.end(), [&p](const piece& piece) -> bool{
return p.pos + sf::Vector2i{0, p.c == enums::white ? -1 : 1} == piece.pos;
}) == table::pieces.end()) {
move(p, 0, p.c == enums::white ? -1 : 1, p.hasMoved ? 2 : 3);
}else{
move(p, 0, 1, 1);
}
if (std::find_if(table::pieces.begin(), table::pieces.end(), [&p](const piece& piece) -> bool{
return p.pos + sf::Vector2i{1, p.c == enums::white ? -1 : 1} == piece.pos;
}) != table::pieces.end()) {
move(p, 1, p.c == enums::white ? -1 : 1, 2);
}
if (std::find_if(table::pieces.begin(), table::pieces.end(), [&p](const piece& piece) -> bool{
return p.pos + sf::Vector2i{-1, p.c == enums::white ? -1 : 1} == piece.pos;
}) != table::pieces.end()) {
move(p, -1, p.c == enums::white ? -1 : 1, 2);
}
break;
case enums::queen:
move(p, 1, 1);
move(p, -1, 1);
move(p, 1, -1);
move(p, -1, -1);
move(p, 1, 0);
move(p, -1, 0);
move(p, 0, 1);
move(p, 0, -1);
break;
case enums::tower:
move(p, 1, 0);
move(p, -1, 0);
move(p, 0, 1);
move(p, 0, -1);
break;
}
std::find_if(table::positions.begin(), table::positions.end(), [&p](const position &pos){return pos.pos == p.pos;})->origin = true;
savedPosition = p.pos;
break;
}
}
}
if (event.type == sf::Event::MouseButtonReleased) {
if (!touchedPiece) return;
if (touchedPiece->pos != savedPosition) {
touchedPiece->hasMoved = true;
enums::invert_color(current_team);
}
if (touchedPiece->p == enums::pawn && touchedPiece->pos.y == (touchedPiece->c == enums::black ? 7 : 0)) {
selectPieceMenu = true;
selectPieceMenuColor = touchedPiece->c;
pieceToChange = touchedPiece;
}
auto commonPiece = std::find_if(table::pieces.begin(), table::pieces.end(), [&touchedPiece](const piece& p) -> bool {return p.pos == touchedPiece->pos && p.c != touchedPiece->c;});
if (commonPiece != table::pieces.end()){
table::pieces.erase(commonPiece);
}
for (position& pos : table::positions) {
pos.possible = false;
pos.origin = false;
}
touchedPiece = nullptr;
}
if (event.type == sf::Event::MouseMoved) {
if (!touchedPiece) return;
for (position& pos : table::positions){
pos.shapeUpdate();
if (pos.possible && pos.getGlobalBounds().contains((sf::Vector2f)sf::Mouse::getPosition(window)))
touchedPiece->pos = pos.pos;
}
}
};
std::thread draw_thread{[¤t_windowSize, &window, &selectPieceMenu, &selectPieceMenuColor, &sel_bishop, &sel_horse, &sel_queen, &sel_tower](){
while (true) {
globalMutex.lock();
if (!window.isOpen()) return;
window.setActive(true);
window.clear(sf::Color(0x422601ff));
for (position x : table::positions) {
x.shapeUpdate();
window.draw(x);
}
for (piece p : table::pieces){
p.updatePiece();
window.draw(p);
}
if (selectPieceMenu){
sf::RectangleShape obscure{current_windowSize};
obscure.setFillColor(sf::Color(0x0000003F));
window.draw(obscure);
sf::RectangleShape shape{{current_windowSize.x - 8, current_windowSize.y / 4 - 4}};
shape.setFillColor(sf::Color(0x422601ff));
shape.setOutlineThickness(4);
shape.setOutlineColor(sf::Color::Black);
shape.setPosition(current_windowSize - sf::Vector2f{current_windowSize.x - 4, current_windowSize.y / 4});
window.draw(shape);
float min = std::min(current_windowSize.x, current_windowSize.y) / 4.25f;
float margin_line = current_windowSize.x / 100.0f;
float horizontal_margin = (current_windowSize.x - min * 4 - margin_line * 3) / 2.0f;
sel_tower.setTexture(tex_pieces[selectPieceMenuColor][enums::tower]);
sel_tower.setScale(sf::Vector2f{min, min} / 60.0f);
sel_tower.setPosition(sf::Vector2f{horizontal_margin, current_windowSize.y - current_windowSize.y / 4});
window.draw(sel_tower);
sel_horse.setTexture(tex_pieces[selectPieceMenuColor][enums::horse]);
sel_horse.setScale(sf::Vector2f{min, min} / 60.0f);
sel_horse.setPosition(sf::Vector2f{min + margin_line + horizontal_margin, current_windowSize.y - current_windowSize.y / 4});
window.draw(sel_horse);
sel_bishop.setTexture(tex_pieces[selectPieceMenuColor][enums::bishop]);
sel_bishop.setScale(sf::Vector2f{min, min} / 60.0f);
sel_bishop.setPosition(sf::Vector2f{min * 2 + margin_line * 2 + horizontal_margin, current_windowSize.y - current_windowSize.y / 4});
window.draw(sel_bishop);
sel_queen.setTexture(tex_pieces[selectPieceMenuColor][enums::queen]);
sel_queen.setScale(sf::Vector2f{min, min} / 60.0f);
sel_queen.setPosition(sf::Vector2f{min * 3 + margin_line * 3 + horizontal_margin, current_windowSize.y - current_windowSize.y / 4});
window.draw(sel_queen);
}
window.setView(sf::View(sf::FloatRect{{0, 0}, {current_windowSize}}));
window.display();
window.setActive(false);
globalMutex.unlock();
}
}};
draw_thread.detach();
window.setActive(false);
while (window.isOpen())
while (window.pollEvent(ev))
onEvent(ev);
}