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Quelle.cpp
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#include"Chess_figures.h"
#include"Sub_Windows.h"
#include <FL/fl_ask.H>
#undef vector
constexpr int sz = 100; //Kommt vielleicht später in die Fenster Klasse, wäre evt besser ein double um Schwulitäten zu vermeiden wenn sz nicht 100 ist
string text;
F_kind promotion_choice = F_kind::none;
//Helfer Funktionen
Point get_point(int x, int y) { //Ermittelt Koordinaten für Spielfeld
Point res{ x - x % sz,y - y % sz };
return res;
}
bool operator==(const Graph_lib::Color& a, const Graph_lib::Color& b) { //Vergleicht Farben
if (a.as_int() == b.as_int())return true;
return false;
}
bool operator!=(const Graph_lib::Color& a, const Graph_lib::Color& b) { //Vergleicht Farben
if (!operator==(a, b))return true;
return false;
}
class Chess_window : public Window {
bool button_pushed;
bool promotion_ongoing = false;
bool white_l_rook = true;
bool white_king = true;
bool white_r_rook = true;
bool black_l_rook = true;
bool black_king = true;
bool black_r_rook = true;
Chess_figure* curr_figure = nullptr;
Chess_figure* black_king_ptr = nullptr;
Chess_figure* white_king_ptr = nullptr;
Color c_turn = Color::white;
Button restart_button;
Button undo_button;
Button rules_button;
Button quit_button;
Vector_ref<Button>field_buttons; //Für die Knöppe unter den schwarzen Feldern
Vector_ref< Graph_lib::Rectangle>tiles; //Für die Felder
Vector_ref<Chess_figure>figures;
vector<Point>ep; //Mögliche en passant Ziele
vector<Point>white_castling;
vector<Point>black_castling;
//Buffers////////
bool b_white_l_rook = true;
bool b_white_king = true;
bool b_white_r_rook = true;
bool b_black_l_rook = true;
bool b_black_king = true;
bool b_black_r_rook = true;
Point b_curr_figure;
Chess_figure* b_black_king_ptr = nullptr;
Chess_figure* b_white_king_ptr = nullptr;
Color b_c_turn = Color::white;
Vector_ref<Chess_figure>b_figures;
vector<Point>b_ep;
vector<Point>b_white_castling;
vector<Point>b_black_castling;
public:
Chess_window(Point xy, int w, int h, const string& title);
void wait_for_button();
private:
bool valid_tile(Point&);
bool tile_empty(Point&)const;
bool hostile_present(Point&);
bool is_ep(Point&); //Prüft ob es sich bei der übergebenen Koordinate um eine en passanr Ziel handelt
void check_ep(); //Prüft und aktualisiert die Liste der möglichen en passant Ziele
Chess_figure* get_figure(Point&);
void reset_f_color(); //Stellt die ursprüngliche Umrandungsfarbe wieder her
void refresh_figures(); //Ohne diese Funktion könne Figuren hinter den Felder verschwinden. Keine Ahnung warum.
bool castling(Point&);
bool tile_in_check(Point&);
bool king_in_check();
bool checkmate();
void copy_to_buffer();
void undo();
void pawn_promotion();
void pawn_movement(Point&);
void rook_movement(Point&);
void knight_movement(Point&);
void bishop_movement(Point&);
void queen_movement(Point&);
void king_movement(Point& p);
static void cb_restart(Address, Address addr) { static_cast<Chess_window*>(addr)->restart_game(); }
static void cb_undo(Address, Address addr) { static_cast<Chess_window*>(addr)->undo(); }
static void cb_rules(Address, Address addr) { static_cast<Chess_window*>(addr)->rules(); }
static void cb_quit(Address, Address addr) { reference_to<Chess_window>(addr).quit(); } //Ist die Stroustrup Variante, macht auch nur return *static_cast<W*>(pw);
static void cb_tile_pressed(Address, Address addr) { reference_to<Chess_window>(addr).tile_pressed(); }
void rules() { Rules_window* rls = new Rules_window({ 100,100 }, 1300, 1000, "Rules"); }
void restart_game();
void quit() { hide(); button_pushed = true; }
void tile_pressed();
};
Chess_window::Chess_window(Point xy, int w, int h, const string& title) :Window( w, h, title),
button_pushed(false),
restart_button(Point(x_max() - 70, 0), 70, 20, "Restart", cb_restart),
undo_button(Point(x_max() - 70, 30), 70, 20, "Undo", cb_undo),
rules_button(Point(x_max() - 70, 60), 70, 20, "Rules", cb_rules),
quit_button(Point(x_max() - 70, 90), 70, 20, "Quit", cb_quit) {
for (int x = 0; x < 8; x++) {
for (int y = 0; y < 8; y++) {
//Knöppe unter den Feldern
field_buttons.push_back(new Button{ { x * sz, y * sz},sz,sz ," ",cb_tile_pressed });
attach(field_buttons[field_buttons.size() - 1]);
//Felder
tiles.push_back(new Graph_lib::Rectangle{ { x * sz, y * sz},sz,sz });
tiles[tiles.size() - 1].set_color(fl_rgb_color(153, 76, 0));
if ((y + x) % 2 != 0)tiles[tiles.size() - 1].set_fill_color(fl_rgb_color(204, 102, 0));
if ((y + x) % 2 == 0)tiles[tiles.size() - 1].set_fill_color(fl_rgb_color(255, 255, 204));
attach(tiles[tiles.size() - 1]);
//Figuren
if ((y == 0 || y == 7) && (x == 0 || x == 7))figures.push_back(new Rook{ { x * sz , y * sz },sz });
if ((y == 0 || y == 7) && (x == 1 || x == 6))figures.push_back(new Knight{ { x * sz , y * sz },sz });
if ((y == 0 || y == 7) && (x == 2 || x == 5))figures.push_back(new Bishop{ { x * sz , y * sz },sz });
if ((y == 0 || y == 7) && (x == 3))figures.push_back(new Queen{ { x * sz , y * sz },sz });
if ((y == 0 || y == 7) && (x == 4))figures.push_back(new King{ { x * sz , y * sz },sz });
if (y == 1 || y == 6)figures.push_back(new Pawn{ { x * sz , y * sz },sz });
attach(figures[figures.size() - 1]);
if (y == 0 || y == 1) { figures[figures.size() - 1].set_color(Color::white); figures[figures.size() - 1].set_fill_color(Color::black); }
if (y == 6 || y == 7)figures[figures.size() - 1].set_fill_color(Color::white);
//Rochade Buffer
if (figures[figures.size() - 1].fill_color() == Color::black && figures[figures.size() - 1].what_kind() == F_kind::rook)black_castling.push_back(figures[figures.size() - 1].point(0));
if (figures[figures.size() - 1].fill_color() == Color::black && figures[figures.size() - 1].what_kind() == F_kind::king)black_castling.push_back(figures[figures.size() - 1].point(0));
if (figures[figures.size() - 1].fill_color() == Color::white && figures[figures.size() - 1].what_kind() == F_kind::rook)white_castling.push_back(figures[figures.size() - 1].point(0));
if (figures[figures.size() - 1].fill_color() == Color::white && figures[figures.size() - 1].what_kind() == F_kind::king)white_castling.push_back(figures[figures.size() - 1].point(0));
//King Pointer
if (figures[figures.size() - 1].fill_color() == Color::black && figures[figures.size() - 1].what_kind() == F_kind::king)black_king_ptr = &figures[figures.size() - 1];
if (figures[figures.size() - 1].fill_color() == Color::white && figures[figures.size() - 1].what_kind() == F_kind::king)white_king_ptr = &figures[figures.size() - 1];
}
}
attach(restart_button);
attach(undo_button);
attach(rules_button);
attach(quit_button);
size_range(w, h, w, h); //Fixiert Fenster
}
void Chess_window::wait_for_button() {
while (!button_pushed) Fl::wait();
button_pushed = false;
Fl::redraw();
}
bool Chess_window::valid_tile(Point& p) {
if (p.x < 0 || p.x > 0 + 7 * sz || p.y < 0 || p.y > 0 + 7 * sz)return false;
return true;
}
bool Chess_window::tile_empty(Point& p)const {
Point curr{ p.x ,p.y };
if (p.x < 0 || p.x > 0 + 7 * sz || p.y < 0 || p.y > 0 + 7 * sz)return false;
for (int i = 0; i < figures.size(); i++) {
if (figures[i].point(0) == curr)return false;
}
return true;
}
bool Chess_window::hostile_present(Point& p) {
Chess_figure* res;
if (p.x < 0 || p.x > 0 + 7 * sz || p.y < 0 || p.y > 0 + 7 * sz)return false;
if (!tile_empty(p))res = get_figure(p);
else return false;
if (c_turn == res->fill_color())return false;
return true;
}
bool Chess_window::is_ep(Point& p) {
for (int i = 0; i < ep.size(); i++)if (p == ep[i])return true;
return false;
}
void Chess_window::check_ep() {
for (int i = 0; i < ep.size(); i++) {
bool check = false;
for (int j = 0; j < figures.size(); j++) if (ep[i] == figures[j].point(0) && figures[j].what_kind() == F_kind::pawn)check = true;
if (check == false)ep.erase(ep.begin() + i);
}
}
Chess_figure* Chess_window::get_figure(Point& p) {
Chess_figure* res;
Point curr;
for (int i = 0; i < figures.size(); i++) {
curr = figures[i].point(0);
if (curr == Point{ p.x ,p.y }) {
res = &figures[i];
return res;
}
}
return nullptr;
}
void Chess_window::reset_f_color() {
if (curr_figure->fill_color() == Color::white) curr_figure->set_color(Color::black);
if (curr_figure->fill_color() == Color::black) curr_figure->set_color(Color::white);
}
void Chess_window::refresh_figures() {
for (int i = 0; i < figures.size(); i++) detach(figures[i]);
for (int i = 0; i < figures.size(); i++) attach(figures[i]);
}
bool Chess_window::castling(Point& p) {
if (c_turn == Color::black && !black_king)return false;
if (c_turn == Color::white && !white_king)return false;
if (!curr_figure)return false;
if (!(curr_figure->what_kind() == F_kind::king))return false;
if (tile_empty(p) || hostile_present(p))return false;
Chess_figure* R = get_figure(p);
if (R->what_kind() != F_kind::rook)return false;
Point Ki{ curr_figure->point(0) };
Point Ro{ R->point(0) };
if (Ki.x < Ro.x) { //König links vom Turm
if (curr_figure->fill_color() == Color::black && !black_r_rook)return false;
if (curr_figure->fill_color() == Color::white && !white_r_rook)return false;
Point temp{ Ki };
temp.x += sz;
if (!(tile_empty(temp)))return false;
temp.x += sz;
if (!(tile_empty(temp)))return false;
}
if (Ki.x > Ro.x) { //König rechts vom Turm
if (curr_figure->fill_color() == Color::black && !black_l_rook)return false;
if (curr_figure->fill_color() == Color::white && !white_l_rook)return false;
Point temp{ Ki };
temp.x -= sz;
if (!(tile_empty(temp)))return false;
temp.x -= sz;
if (!(tile_empty(temp)))return false;
temp.x -= sz;
if (!(tile_empty(temp)))return false;
}
return true;
}
bool Chess_window::tile_in_check(Point& p) {
Point temp{ p };
Chess_figure* hostile = nullptr;
//Prüfung Pferd
temp.x -= sz;
temp.y -= (sz * 2);
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::knight)return true;
}
temp = p;
temp.x += sz;
temp.y -= (sz * 2);
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::knight)return true;
}
temp = p;
temp.x += (sz * 2);
temp.y -= sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::knight)return true;
}
temp = p;
temp.x += (sz * 2);
temp.y += sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::knight)return true;
}
temp = p;
temp.x += sz;
temp.y += (sz * 2);
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::knight)return true;
}
temp = p;
temp.x -= sz;
temp.y += (sz * 2);
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::knight)return true;
}
temp = p;
temp.x -= (sz * 2);
temp.y += sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::knight)return true;
}
temp = p;
temp.x -= (sz * 2);
temp.y -= sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::knight)return true;
}
//Prüfung Bauer oder König
temp = p;
temp.x += sz;
temp.y += sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (c_turn == Color::black && hostile->what_kind() == F_kind::pawn)return true;
if (hostile->what_kind() == F_kind::king)return true;
}
temp = p;
temp.x -= sz;
temp.y += sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (c_turn == Color::black && hostile->what_kind() == F_kind::pawn)return true;
if (hostile->what_kind() == F_kind::king)return true;
}
temp = p;
temp.x -= sz;
temp.y -= sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (c_turn == Color::white && hostile->what_kind() == F_kind::pawn)return true;
if (hostile->what_kind() == F_kind::king)return true;
}
temp = p;
temp.x += sz;
temp.y -= sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (c_turn == Color::white && hostile->what_kind() == F_kind::pawn)return true;
if (hostile->what_kind() == F_kind::king)return true;
}
temp = p;
temp.x += sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::king)return true;
}
temp = p;
temp.x -= sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::king)return true;
}
temp = p;
temp.y -= sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::king)return true;
}
temp = p;
temp.y += sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::king)return true;
}
//Prüfung Dame und Turm
temp = p;
while (temp.x <= 0 + 7 * sz) {
temp.x += sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::rook)return true;
if (hostile->what_kind() == F_kind::queen)return true;
break;
}
if (!tile_empty(temp) && black_king_ptr->point(0) != temp && white_king_ptr->point(0) != temp)break;
}
temp = p;
while (temp.x >= 0) {
temp.x -= sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::rook)return true;
if (hostile->what_kind() == F_kind::queen)return true;
break;
}
if (!tile_empty(temp) && black_king_ptr->point(0) != temp && white_king_ptr->point(0) != temp)break;
}
temp = p;
while (temp.y <= 0 + 7 * sz) {
temp.y += sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::rook)return true;
if (hostile->what_kind() == F_kind::queen)return true;
break;
}
if (!tile_empty(temp) && black_king_ptr->point(0) != temp && white_king_ptr->point(0) != temp)break;
}
temp = p;
while (temp.y >= 0) {
temp.y -= sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::rook)return true;
if (hostile->what_kind() == F_kind::queen)return true;
break;
}
if (!tile_empty(temp) && black_king_ptr->point(0) != temp && white_king_ptr->point(0) != temp)break;
}
//Prüfung Läufer oder Dame
temp = p;
while (temp.x <= 0 + 7 * sz && temp.y <= 0 + 7 * sz) {
temp.x += sz;
temp.y += sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::bishop)return true;
if (hostile->what_kind() == F_kind::queen)return true;
break;
}
if (!tile_empty(temp) && black_king_ptr->point(0) != temp && white_king_ptr->point(0) != temp)break;
}
temp = p;
while (temp.x <= 0 + 7 * sz && temp.y >= 0) {
temp.x += sz;
temp.y -= sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::bishop)return true;
if (hostile->what_kind() == F_kind::queen)return true;
break;
}
if (!tile_empty(temp) && black_king_ptr->point(0) != temp && white_king_ptr->point(0) != temp)break;
}
temp = p;
while (temp.x >= 0 && temp.y <= 0 + 7 * sz) {
temp.x -= sz;
temp.y += sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::bishop)return true;
if (hostile->what_kind() == F_kind::queen)return true;
break;
}
if (!tile_empty(temp) && black_king_ptr->point(0) != temp && white_king_ptr->point(0) != temp)break;
}
temp = p;
while (temp.x >= 0 && temp.y >= 0) {
temp.x -= sz;
temp.y -= sz;
if (hostile_present(temp)) {
hostile = get_figure(temp);
if (hostile->what_kind() == F_kind::bishop)return true;
if (hostile->what_kind() == F_kind::queen)return true;
break;
}
if (!tile_empty(temp) && black_king_ptr->point(0) != temp && white_king_ptr->point(0) != temp)break;
}
return false;
}
bool Chess_window::king_in_check() {
Chess_figure* temp_ptr = nullptr;
c_turn == Color::black ? temp_ptr = black_king_ptr : temp_ptr = white_king_ptr;
Point temp{ temp_ptr->point(0) };
if (tile_in_check(temp))return true;
return false;
}
bool Chess_window::checkmate() {
if (!king_in_check())return false;
Point p;
c_turn == Color::black ? p = black_king_ptr->point(0) : p = white_king_ptr->point(0);
Point pp = p;
pp.x += sz; //rechts
if (valid_tile(pp) && !tile_in_check(pp) && (tile_empty(pp) || hostile_present(pp)))return false;
pp = p;
pp.x -= sz; //links
if (valid_tile(pp) && !tile_in_check(pp) && (tile_empty(pp) || hostile_present(pp)))return false;
pp = p;
pp.y -= sz; //oben
if (valid_tile(pp) && !tile_in_check(pp) && (tile_empty(pp) || hostile_present(pp)))return false;
pp = p;
pp.y += sz; //unten
if (valid_tile(pp) && !tile_in_check(pp) && (tile_empty(pp) || hostile_present(pp)))return false;
pp = p;
pp.x += sz; //unten rechts
pp.y += sz;
if (valid_tile(pp) && !tile_in_check(pp) && (tile_empty(pp) || hostile_present(pp)))return false;
pp = p;
pp.x -= sz; //unten links
pp.y += sz;
if (valid_tile(pp) && !tile_in_check(pp) && (tile_empty(pp) || hostile_present(pp)))return false;
pp = p;
pp.x += sz; //oben rechts
pp.y -= sz;
if (valid_tile(pp) && !tile_in_check(pp) && (tile_empty(pp) || hostile_present(pp)))return false;
pp = p;
pp.x -= sz; //oben links
pp.y -= sz;
if (valid_tile(pp) && !tile_in_check(pp) && (tile_empty(pp) || hostile_present(pp)))return false;
Point p_table; //speichert curr_figure's Koordinaten falls checkmate() hier weiter macht.
bool p_t = false; //curr_figure wird mit p_table hinterher wiederhergestellt falls checkmate() false returned
if (curr_figure) {
p_table = curr_figure->point(0);
p_t = true;
}
for (int i = 0; i < tiles.size(); i++) {
Point p{ tiles[i].point(0) };
if ((tile_empty(p) || hostile_present(p))) {
for (int j = 0; j < figures.size(); j++) {
if (figures[j].fill_color() == c_turn) {
curr_figure = &figures[j];
copy_to_buffer();
F_kind c_kind = curr_figure->what_kind();
switch (c_kind) {
case F_kind::pawn:
pawn_movement(p);
break;
case F_kind::rook:
rook_movement(p);
break;
case F_kind::knight:
knight_movement(p);
break;
case F_kind::bishop:
bishop_movement(p);
break;
case F_kind::queen:
queen_movement(p);
break;
case F_kind::king:
king_movement(p);
break;
}
if (!king_in_check()) {
undo();
if (p_t) { //Wiederherstellung curr_figure
for (int i = 0; i < figures.size(); i++) if (figures[i].point(0) == p_table)curr_figure = &figures[i];
}
else curr_figure = nullptr;
return false;
}
else undo();
}
}
}
}
return true;
}
void Chess_window::copy_to_buffer() {
//curr_figers Position zwischenspeichern
b_curr_figure = curr_figure->point(0); //Muss anhand von point(0) neu ermittelt werden, da curr_figure ein Pointer ist
//Buffer Vektoren leeren
for (int i = 0; i < b_figures.size(); i++) {
Chess_figure* temp{ &b_figures[i] };
delete temp;
}
b_figures.clear();
b_ep.clear();
b_white_castling.clear();
b_black_castling.clear();
//Bools buffern
b_white_l_rook = white_l_rook;
b_white_king = white_king;
b_white_r_rook = white_r_rook;
b_black_l_rook = black_l_rook;
b_black_king = black_king;
b_black_r_rook = black_r_rook;
//Damit der andere Spieler wieder dran ist
b_c_turn = c_turn;
//Buffern der Figuren, man muss im Buffer neue Figuren erstellen, damit sich die Figuren im Buffer nicht mitbewegen
for (int i = 0; i < figures.size(); i++) {
Point p{ figures[i].point(0) };
Color lc{ figures[i].color() };
Color fc{ figures[i].fill_color() };
if (figures[i].what_kind() == F_kind::pawn)
b_figures.push_back(new Pawn{ {p.x,p.y},sz });
if (figures[i].what_kind() == F_kind::rook)
b_figures.push_back(new Rook{ {p.x,p.y},sz });
if (figures[i].what_kind() == F_kind::bishop)
b_figures.push_back(new Bishop{ {p.x,p.y},sz });
if (figures[i].what_kind() == F_kind::knight)
b_figures.push_back(new Knight{ {p.x,p.y},sz });
if (figures[i].what_kind() == F_kind::queen)
b_figures.push_back(new Queen{ {p.x,p.y},sz });
if (figures[i].what_kind() == F_kind::king)
b_figures.push_back(new King{ {p.x,p.y},sz });
b_figures[b_figures.size() - 1].set_color(lc);
b_figures[b_figures.size() - 1].set_fill_color(fc);
}
//Vektoren buffern
b_ep = ep;
b_white_castling = white_castling;
b_black_castling = black_castling;
}
void Chess_window::undo() {
for (int j = 0; j < figures.size(); j++) { //Alte Figurenvom Bildschirm löschen
detach(figures[j]);
Chess_figure* temp{ &figures[j] };
delete temp;
}
//Vektoren leeren
figures.clear();
ep.clear();
white_castling.clear();
black_castling.clear();
//Pointer zurücksetzen
black_king_ptr = nullptr;
white_king_ptr = nullptr;
curr_figure = nullptr;
//Vektoren aus dem Buffer laden
for (int i = 0; i < b_figures.size(); i++) {
Point p{ b_figures[i].point(0) };
Color lc{ b_figures[i].color() };
Color fc{ b_figures[i].fill_color() };
if (b_figures[i].what_kind() == F_kind::pawn)
figures.push_back(new Pawn{ {p.x,p.y},sz });
if (b_figures[i].what_kind() == F_kind::rook)
figures.push_back(new Rook{ {p.x,p.y},sz });
if (b_figures[i].what_kind() == F_kind::bishop)
figures.push_back(new Bishop{ {p.x,p.y},sz });
if (b_figures[i].what_kind() == F_kind::knight)
figures.push_back(new Knight{ {p.x,p.y},sz });
if (b_figures[i].what_kind() == F_kind::queen)
figures.push_back(new Queen{ {p.x,p.y},sz });
if (b_figures[i].what_kind() == F_kind::king)
figures.push_back(new King{ {p.x,p.y},sz });
figures[figures.size() - 1].set_color(lc);
figures[figures.size() - 1].set_fill_color(fc);
}
ep = b_ep;
white_castling = b_white_castling;
black_castling = b_white_castling;
//Auf Fenster Platzieren, Adressen für Pointer ermitteln
for (int i = 0; i < figures.size(); i++) {
attach(figures[i]);
if (figures[i].what_kind() == F_kind::king && figures[i].fill_color() == Color::black)black_king_ptr = &figures[i];
if (figures[i].what_kind() == F_kind::king && figures[i].fill_color() == Color::white)white_king_ptr = &figures[i];
if (figures[i].point(0) == b_curr_figure) curr_figure = &figures[i];
}
//Bools und c_turn aus Buffer wiederhestellen
white_l_rook = b_white_l_rook;
white_king = b_white_king;
white_r_rook = b_white_r_rook;
black_l_rook = b_black_l_rook;
black_king = b_black_king;
black_r_rook = b_black_r_rook;
c_turn = b_c_turn;
Fl::redraw();
}
void Chess_window::pawn_promotion() {
for (int i = 0; i < 8; i++) {
Point top{ i * sz,0 };
Point bottom{ i * sz,7 * sz };
for (int j = 0; j < figures.size(); j++) {
if (figures[j].point(0) == top && figures[j].what_kind() == F_kind::pawn) {
detach(figures[j]); //Bauern löschen
Chess_figure* temp_ptr = &figures[j];
delete temp_ptr;
figures.erase(j);
promotion_ongoing = true; //Blockiert tile_pressed
Promotion_window* pro = new Promotion_window({ 250,275 }, 650, 300, "Promotion"); //Neue Figur wählen
while (promotion_choice == F_kind::none)Fl::wait(); //Auswahl abwarten(nur optisch)
switch (promotion_choice) {
case(F_kind::queen):
figures.push_back(new Queen{ top,sz });
break;
case(F_kind::bishop):
figures.push_back(new Bishop{ top,sz });
break;
case(F_kind::knight):
figures.push_back(new Knight{ top,sz });
break;
case(F_kind::rook):
figures.push_back(new Rook{ top,sz });
break;
}
promotion_choice = F_kind::none; //Auswahl zurück setzen
promotion_ongoing = false; //tile_pressed wieder erlauben
figures[figures.size() - 1].set_fill_color(Color::white);
}
if (figures[j].point(0) == bottom && figures[j].what_kind() == F_kind::pawn) {
detach(figures[j]); //Bauern löschen
Chess_figure* temp_ptr = &figures[j];
delete temp_ptr;
figures.erase(j);
promotion_ongoing = true; //Blockiert tile_pressed
Promotion_window* pro = new Promotion_window({ 250,275 }, 650, 300, "Promotion"); //Neue Figur wählen
while (promotion_choice == F_kind::none)Fl::wait(); //Auswahl abwarten(nur optisch)
switch (promotion_choice) {
case(F_kind::queen):
figures.push_back(new Queen{ bottom,sz });
break;
case(F_kind::bishop):
figures.push_back(new Bishop{ bottom,sz });
break;
case(F_kind::knight):
figures.push_back(new Knight{ bottom,sz });
break;
case(F_kind::rook):
figures.push_back(new Rook{ bottom,sz });
break;
}
promotion_choice = F_kind::none; //Auswahl zurück setzen
promotion_ongoing = false; //tile_pressed wieder erlauben
figures[figures.size() - 1].set_fill_color(Color::black);
figures[figures.size() - 1].set_color(Color::white);
}
}
}
}
void Chess_window::pawn_movement(Point& p) {
Point start{ curr_figure->point(0) };
Point temp;
Chess_figure* temp_target = nullptr;
int x = 0;
int y = 0;
if (curr_figure->fill_color() == Color::white) {
if (p.x == curr_figure->point(0).x - sz && p.y == curr_figure->point(0).y - sz && hostile_present(p)) {
x = -sz;
y = -sz;
}
temp = { start.x - sz, sz * 3 };
if (p.x == curr_figure->point(0).x - sz && p.y == curr_figure->point(0).y - sz && is_ep(temp)) {
x = -sz;
y = -sz;
for (int i = 0; i < figures.size(); i++) {
if (figures[i].point(0) == temp && figures[i].fill_color() == Color::black) {
detach(figures[i]);
temp_target = &figures[i];
delete temp_target;
figures.erase(i);
}
}
}
if (p.x == curr_figure->point(0).x + sz && p.y == curr_figure->point(0).y - sz && hostile_present(p)) {
x = sz;
y = -sz;
}
temp = { start.x + sz, sz * 3 };
if (p.x == curr_figure->point(0).x + sz && p.y == curr_figure->point(0).y - sz && is_ep(temp)) {
x = sz;
y = -sz;
for (int i = 0; i < figures.size(); i++) {
if (figures[i].point(0) == temp && figures[i].fill_color() == Color::black) {
detach(figures[i]);
temp_target = &figures[i];
delete temp_target;
figures.erase(i);
}
}
}
if (p.x == curr_figure->point(0).x && p.y == curr_figure->point(0).y - sz && !hostile_present(p)) {
x = 0;
y = -sz;
}
if (curr_figure->point(0).y == sz * 6 && p.y == curr_figure->point(0).y - sz * 2 && p.x == curr_figure->point(0).x && !hostile_present(p)) {
x = 0;
y = -(sz * 2);
ep.push_back({ p.x ,p.y });
}
}
if (curr_figure->fill_color() == Color::black) {
if (p.x == curr_figure->point(0).x - sz && p.y == curr_figure->point(0).y + sz && hostile_present(p)) {
x = -sz;
y = sz;
}
temp = { start.x - sz, sz * 4 };
if (p.x == curr_figure->point(0).x - sz && p.y == curr_figure->point(0).y + sz && is_ep(temp)) {
x = -sz;
y = sz;
for (int i = 0; i < figures.size(); i++) {
if (figures[i].point(0) == temp && figures[i].fill_color() == Color::white) {
detach(figures[i]);
temp_target = &figures[i];
delete temp_target;
figures.erase(i);
}
}
}
if (p.x == curr_figure->point(0).x + sz && p.y == curr_figure->point(0).y + sz && hostile_present(p)) {
x = sz;
y = sz;
}
temp = { start.x + sz, sz * 4 };
if (p.x == curr_figure->point(0).x + sz && p.y == curr_figure->point(0).y + sz && is_ep(temp)) {
x = sz;
y = sz;
for (int i = 0; i < figures.size(); i++) {
if (figures[i].point(0) == temp && figures[i].fill_color() == Color::white) {
detach(figures[i]);
temp_target = &figures[i];
delete temp_target;
figures.erase(i);
}
}
}
if (p.x == curr_figure->point(0).x && p.y == curr_figure->point(0).y + sz && !hostile_present(p)) {
x = 0;
y = sz;
}
if (curr_figure->point(0).y == sz && p.y == curr_figure->point(0).y + sz * 2 && p.x == curr_figure->point(0).x && !hostile_present(p)) {
x = 0;
y = sz * 2;
ep.push_back({ p.x ,p.y });
}
}
Point target{ curr_figure->point(0).x + x,curr_figure->point(0).y + y };
if (hostile_present(target))temp_target = get_figure(target);
curr_figure->move(x, y);
if (king_in_check())curr_figure->move(-(x), -(y));
if (start != curr_figure->point(0)) {
if (temp_target) {
for (int i = 0; i < figures.size(); i++) {
if (&figures[i] == temp_target) {
detach(figures[i]);
delete temp_target;
figures.erase(i);
}
}
}
reset_f_color();
if (c_turn == Color::white)c_turn = Color::black;
else c_turn = Color::white;
curr_figure = nullptr;
}
}
void Chess_window::rook_movement(Point& p) {
Point upper_left{ 0,0 };
Point upper_right{ 7 * sz,0 };
Point lower_left{ 0,7 * sz };
Point lower_right{ 7 * sz, 7 * sz };
Point start{ curr_figure->point(0) };
Point temp{ curr_figure->point(0) };
Chess_figure* temp_target = nullptr;
int x = 0;
int y = 0;
if (p.x == start.x && p.y < start.y)y = -sz; //nach oben
if (p.x == start.x && p.y > start.y) y = sz; //nach unten
if (p.x > start.x && p.y == start.y)x = sz; //nach rechts
if (p.x < start.x && p.y == start.y)x = -sz; //nach links
while (temp != p) {
temp.x += x;
temp.y += y;
if (!tile_empty(temp) && temp != p) {
temp = start;
x = 0;
y = 0;
break;
}
}
if (hostile_present(temp))temp_target = get_figure(temp);
curr_figure->move(temp.x - start.x, temp.y - start.y);
if (king_in_check())curr_figure->move(start.x - temp.x, start.y - temp.y);
if (start != curr_figure->point(0)) {
if (start == upper_left)black_l_rook = false;
if (start == upper_right)black_r_rook = false;
if (start == lower_left)white_l_rook = false;
if (start == lower_right)white_r_rook = false;
if (temp_target) {
for (int i = 0; i < figures.size(); i++) {
if (&figures[i] == temp_target) {
detach(figures[i]);
delete temp_target;
figures.erase(i);
}
}
}
reset_f_color();
if (c_turn == Color::white)c_turn = Color::black;
else c_turn = Color::white;
curr_figure = nullptr;
}
}
void Chess_window::knight_movement(Point& p) {
Point start{ curr_figure->point(0) };
Point temp{ curr_figure->point(0) };
Chess_figure* temp_target = nullptr;
if (p.x == start.x - sz && p.y == start.y - (sz * 2)) { //2 hoch, 1 links
temp.x -= sz;
temp.y -= (sz * 2);
}
if (p.x == start.x + sz && p.y == start.y - (sz * 2)) { //2 hoch, 1 rechts
temp.x += sz;
temp.y -= (sz * 2);
}
if (p.x == start.x + sz * 2 && p.y == start.y - sz) { //2 rechts, 1 hoch
temp.x += (sz * 2);
temp.y -= sz;
}
if (p.x == start.x + sz * 2 && p.y == start.y + sz) { //2 rechts, 1 runter
temp.x += (sz * 2);
temp.y += sz;
}
if (p.x == start.x + sz && p.y == start.y + sz * 2) { //2 runter, 1 rechts
temp.x += sz;
temp.y += (sz * 2);
}
if (p.x == start.x - sz && p.y == start.y + sz * 2) { //2 runter, 1 links
temp.x -= sz;
temp.y += (sz * 2);
}
if (p.x == start.x - (sz * 2) && p.y == start.y + sz) { //2 links, 1 runter
temp.x -= (sz * 2);
temp.y += sz;
}
if (p.x == start.x - (sz * 2) && p.y == start.y - sz) { //2 links, 1 hoch
temp.x -= (sz * 2);
temp.y -= sz;
}
if (hostile_present(temp)) temp_target = get_figure(temp);
curr_figure->move(temp.x - start.x, temp.y - start.y);
if (king_in_check())curr_figure->move(start.x - temp.x, start.y - temp.y);
if (start != curr_figure->point(0)) {
if (temp_target) {
for (int i = 0; i < figures.size(); i++) {
if (&figures[i] == temp_target) {
detach(figures[i]);
delete temp_target;
figures.erase(i);
}
}
}
reset_f_color();
if (c_turn == Color::white)c_turn = Color::black;
else c_turn = Color::white;
curr_figure = nullptr;
}
}
void Chess_window::bishop_movement(Point& p) {
Point start{ curr_figure->point(0) };
Point temp{ curr_figure->point(0) };
Chess_figure* temp_target = nullptr;
int x = 0;
int y = 0;
if (p.x > start.x && p.y < start.y) { //nach oben rechts
x = sz;
y = -sz;
}
if (p.x < start.x && p.y > start.y) { //nach unten links