very easily implemented the human_vs_ai controller

(god i love a good design)

cpp/src/controller/human_vs_ai.cpp

@@ -0,0 +1,32 @@
+#include "human_vs_ai.hpp"
+
+#include <algorithm>
+
+HumanVsAIController::HumanVsAIController(Board b, View& v, ai::AI& ai)
+    : ManualController(b, v),
+      ai(ai) {
+    view.set_controller(this);
+    reset_selection();
+}
+
+void HumanVsAIController::on_tile_selected(int x, int y) {
+    Coords c{x, y};
+    Piece piece = board.piece_at(c);
+
+    if (selected_index == -1
+        || (piece != Piece::None && piece != selected_piece
+            && (piece & 0b11000) != (selected_piece & 0b11000))) {
+        show_legal_moves(c);
+    } else {
+        auto boh = std::find(targets.begin(), targets.end(), c.to_index());
+        if (boh != targets.end()) {
+            make_move(Move{selected_index, c.to_index()});
+
+            if (board.is_terminal())
+                return;
+            Move ai_move = ai.search(board);
+            make_move(ai_move);
+        } else
+            reset_selection();
+    }
+}

cpp/src/controller/human_vs_ai.hpp

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "../model/ais/ai.hpp"
+#include "../view/view.hpp"
+#include "manual.hpp"
+
+class HumanVsAIController : public ManualController {
+  protected:
+    ai::AI& ai;
+
+  public:
+    HumanVsAIController(Board, View&, ai::AI&);
+    void on_tile_selected(int, int) override;
+};

cpp/src/controller/manual.hpp

@@ -6,7 +6,7 @@
 #include "controller.hpp"
 
 class ManualController : public Controller {
-  private:
+  protected:
     View& view;
     int8_t selected_index;
     Piece selected_piece;