Highlight selected unit

Debug information about selected unit

include/Game.h

@@ -29,5 +29,5 @@ public:
 private:
 	void Random(char);
 	void clearScreen();
-	void print_field();
+	void print_field(int, int);
 };

include/Infantry.h

@@ -1,11 +1,10 @@
 #pragma once
-
 class Infantry {
 private:
 	int x;
 	int y;
 public:
 	Infantry(int _x, int _y) : x(_x), y(_y) {};
-	void get_coordinates();
+	std::pair<int,int> get_coordinates();
 	void attack();
 };

src/Game.cpp

@@ -2,10 +2,9 @@
 
 void Game::Random(char symbol) {
     auto isNearPlayer = [this](int x, int y) {
-        // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> 8 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
         for (int dy = -1; dy <= 1; ++dy) {
             for (int dx = -1; dx <= 1; ++dx) {
-                if (dx == 0 && dy == 0) continue; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+                if (dx == 0 && dy == 0) continue;
 
                 int nx = (x + dx + SIZE_FOR_ARRAY + 1) % (SIZE_FOR_ARRAY + 1);
                 int ny = (y + dy + SIZE_FOR_ARRAY + 1) % (SIZE_FOR_ARRAY + 1);
@@ -44,11 +43,17 @@ void Game::clearScreen() {
     #endif
 }
 
-void Game::print_field() {
+void Game::print_field(int cursorX = -1, int cursorY = -1) {
     clearScreen();
-    for (const auto& row : field) {
-        for (char cell : row) {
-            std::cout << cell << ' ';
+    for (int i = 0; i <= SIZE_FOR_ARRAY; ++i) {
+        for (int j = 0; j <= SIZE_FOR_ARRAY; ++j) {
+            if (i == cursorY && j == cursorX && field[i][j] == PLAYER_CELL) {
+                // Highlight player's unit in green when selected
+                std::cout << "\033[32m" << field[i][j] << "\033[0m ";
+            }
+            else {
+                std::cout << field[i][j] << ' ';
+            }
         }
         std::cout << '\n';
     }
@@ -142,25 +147,57 @@ void Game::init() {
 }
 
 void Game::play() {
-#ifdef DEBUG
-    print_field();
+    bool is_active = true;
+    bool unit_selected = false;
 
-    auto& vec_1 = gamers[0].get_army();
-    auto& vec_2 = gamers[1].get_army();
+    int current_unit_index = 0;
+    auto& player_army = gamers[0].get_army();
 
-    std::cout << "Positions of player's units\n";
-    for (size_t i = 0; i < vec_1.size(); ++i) {
-        vec_1[i]->get_coordinates();
+    int cursorX = -1, cursorY = -1;
+    if (!player_army.empty()) {
+        auto [x, y] = player_army[0]->get_coordinates();
+        cursorX = x;
+        cursorY = y;
     }
-    std::cout << std::endl;
 
-    std::cout << "Positions of enemy's units\n";
-    for (size_t i = 0; i < vec_2.size(); ++i) {
-        vec_2[i]->get_coordinates();
+    while (is_active) {
+        print_field(cursorX, cursorY);
+        std::cout << "Your turn! Use 'a' or 's' to select a unit, ENTER to confirm, ESC to exit.\n";
+
+        int key = _getch();
+        if (key == ESC_KEY) {
+            std::cout << "Exit\n";
+            is_active = false;
+            break;
+        }
+
+        switch (key) {
+        case LEFT_KEY:
+            if (!player_army.empty()) {
+                current_unit_index = (current_unit_index == 0) ? player_army.size() - 1 : current_unit_index - 1;
+                auto [x, y] = player_army[current_unit_index]->get_coordinates();
+                cursorX = x;
+                cursorY = y;
+            }
+            break;
+        case RIGHT_KEY:
+            if (!player_army.empty()) {
+                current_unit_index = (current_unit_index == player_army.size() - 1) ? 0 : current_unit_index + 1;
+                auto [x, y] = player_army[current_unit_index]->get_coordinates();
+                cursorX = x;
+                cursorY = y;
+            }
+            break;
+        case ENTER:
+            if (!player_army.empty() && field[cursorY][cursorX] == PLAYER_CELL) {
+                unit_selected = true;
+                #ifdef DEBUG
+                    std::cout << "Unit selected at (" << cursorX << ", " << cursorY << ")!\n";
+                #endif // DEBUG
+                is_active = false;
+            }
+            break;
+        default: continue;
+        }
     }
-#else
-    return;
-#endif
-
-
 }

src/Infantry.cpp

@@ -5,6 +5,6 @@ void Infantry::attack()
 	return;
 }
 
-void Infantry::get_coordinates() {
-	std::cout << x << " " << y << std::endl;
+std::pair<int, int> Infantry::get_coordinates() {
+	return { x, y };
 }