implemented the ai vs ai controller

cpp/src/controller/ai_vs_ai.cpp

@@ -0,0 +1,36 @@
+#include "ai_vs_ai.hpp"
+
+#include "controller.hpp"
+
+#include <thread>
+
+AIvsAIController::AIvsAIController(Board b, View& v, ai::AI& p1, ai::AI& p2)
+    : Controller(b, v),
+      p1(p1),
+      p2(p2) {}
+
+void AIvsAIController::start() {
+    std::thread view_thread([&]() { view.show(); });
+    ai::AI* current_player;
+    while (!board.is_terminal()) {
+        current_player = board.white_to_play ? &p1 : &p2;
+        Move move = current_player->search(board, board.white_to_play);
+        make_move(move);
+    }
+
+    view_thread.join();
+}
+
+void AIvsAIController::make_move(Move move) {
+    board = board.make_move(move);
+    view.update_board(board, -1, {});
+
+    Colour current_colour = board.white_to_play ? White : Black;
+    if (board.is_checkmate_for(current_colour))
+        view.notify_checkmate(current_colour);
+
+    if (board.is_stalemate_for(current_colour))
+        view.notify_stalemate(current_colour);
+}
+
+void AIvsAIController::on_tile_selected(int, int) {}

cpp/src/controller/ai_vs_ai.hpp

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "../model/ais/ai.hpp"
+#include "../model/utils/coords.hpp"
+#include "../model/utils/move.hpp"
+#include "../view/view.hpp"
+#include "controller.hpp"
+
+class AIvsAIController : public Controller {
+    ai::AI &p1, &p2;
+
+  protected:
+    void make_move(Move) override;
+
+  public:
+    AIvsAIController(Board, View&, ai::AI&, ai::AI&);
+    void on_tile_selected(int, int) override;
+    void start() override;
+};

cpp/src/controller/controller.cpp

@@ -0,0 +1,7 @@
+#include "controller.hpp"
+
+#include "../view/view.hpp"
+
+Controller::Controller(Board b, View& v): board(b), view(v) {
+    v.set_controller(this);
+}

cpp/src/controller/controller.hpp

@@ -7,8 +7,11 @@ class View;
 class Controller {
   protected:
     Board board;
+    View& view;
+    virtual void make_move(Move) = 0;
 
   public:
-    // Controller(Board, View);
+    Controller(Board, View&);
+    virtual void start() = 0;
     virtual void on_tile_selected(int, int) = 0;
 };

cpp/src/controller/human_vs_ai.cpp

@@ -4,10 +4,7 @@
 
 HumanVsAIController::HumanVsAIController(Board b, View& v, ai::AI& ai)
     : ManualController(b, v),
-      ai(ai) {
-    view.set_controller(this);
-    reset_selection();
-}
+      ai(ai) {}
 
 void HumanVsAIController::on_tile_selected(int x, int y) {
     Coords c{x, y};

cpp/src/controller/manual.cpp

@@ -4,12 +4,14 @@
 
 #include <algorithm>
 
-ManualController::ManualController(Board b, View& view): view(view) {
-    board = b;
-    view.set_controller(this);
+ManualController::ManualController(Board b, View& v): Controller(b, v) {
     reset_selection();
 }
 
+void ManualController::start() {
+    view.show();
+}
+
 void ManualController::on_tile_selected(int x, int y) {
     Coords c{x, y};
     Piece piece = board.piece_at(c);

cpp/src/controller/manual.hpp

@@ -7,16 +7,16 @@
 
 class ManualController : public Controller {
   protected:
-    View& view;
     int8_t selected_index;
     Piece selected_piece;
     std::vector<int8_t> targets;
 
     void reset_selection();
     void show_legal_moves(Coords);
-    void make_move(Move);
+    void make_move(Move) override;
 
   public:
     ManualController(Board, View&);
     void on_tile_selected(int, int) override;
+    void start() override;
 };

cpp/src/main.cpp

@@ -1,3 +1,4 @@
+#include "controller/ai_vs_ai.hpp"
 #include "controller/controller.hpp"
 #include "controller/human_vs_ai.hpp"
 #include "controller/manual.hpp"
@@ -5,22 +6,23 @@
 #include "view/noop.hpp"
 #include "view/view.hpp"
 
+#include <chrono>
+
 int main(int argc, char* argv[]) {
     std::string pos =
         "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
 
     Board b = Board::setup_fen_position(pos);
 
-    ai::v0_random ai;
+    ai::v0_random p1(std::chrono::milliseconds(500));
+    ai::v0_random p2(std::chrono::milliseconds(500));
 
     GUI gui;
-    HumanVsAIController manual(b, gui, ai);
+    AIvsAIController manual(b, gui, p1, p2);
 
-
-    View& view = gui;
     Controller& controller = manual;
 
-    view.show();
+    controller.start();
 
     // perft();
     // ai::v1_simple ai;

cpp/src/model/ais/ai.cpp

@@ -0,0 +1,23 @@
+#include "ai.hpp"
+
+#include <thread>
+
+Move ai::AI::search(const Board& b, bool am_white) {
+    Move result;
+
+    // Start computation in a separate thread
+    std::thread computation_thread([&]() { result = _search(b, am_white); });
+
+    // Start a timer thread to stop computation after given time
+    std::thread timer_thread([&]() {
+        std::this_thread::sleep_for(thinking_time);
+        stop_computation = true;
+    });
+
+    // Wait for computation thread to finish
+    computation_thread.join();
+
+    // Ensure timer thread is also stopped
+    timer_thread.join();
+    return result;
+}

cpp/src/model/ais/ai.hpp

@@ -3,16 +3,28 @@
 #include "../board/board.hpp"
 
 #include <atomic>
+#include <chrono>
 
 namespace ai {
-    struct AI {
+    class AI {
+      protected:
+        std::chrono::milliseconds thinking_time;
+        virtual Move _search(const Board&, bool = false) = 0;
+
+      public:
+        AI(std::chrono::milliseconds tt): thinking_time(tt) {}
+
         std::atomic<bool> stop_computation = false;
-        virtual Move search(const Board&, bool = false) = 0;
+
+        Move search(const Board& b, bool am_white = false);
+
         virtual int eval(const Board&) = 0;
     };
 
     struct v0_random : public AI {
-        Move search(const Board&, bool) override;
+        v0_random(std::chrono::milliseconds tt): AI(tt) {}
+
+        Move _search(const Board&, bool) override;
 
         int eval(const Board&) override {
             return 0;
@@ -23,7 +35,9 @@ namespace ai {
         int _search(const Board&, int);
 
       public:
-        Move search(const Board&, bool) override;
+        v1_simple(std::chrono::milliseconds tt): AI(tt) {}
+
+        Move _search(const Board&, bool) override;
         int eval(const Board&) override;
     };
 } // namespace ai

cpp/src/model/ais/v0_random.cpp

@@ -1,6 +1,8 @@
 #include "ai.hpp"
 
-Move ai::v0_random::search(const Board& b, bool) {
+#include <thread>
+
+Move ai::v0_random::_search(const Board& b, bool) {
     std::vector<Move> moves = b.all_legal_moves();
 
     return moves[rand() % moves.size()];

cpp/src/model/ais/v1_simple.cpp

@@ -7,7 +7,7 @@
 
 static int INFINITY = std::numeric_limits<int>::max();
 
-Move ai::v1_simple::search(const Board& b, bool am_black) {
+Move ai::v1_simple::_search(const Board& b, bool am_white) {
     ThreadPool pool(std::thread::hardware_concurrency());
 
     std::vector<Move> moves = b.all_legal_moves();