Примери за работа със статични компоненти

triffon · Apr 20, 2022 · 23b4e28 · 23b4e28
1 parent 4ef1e64
commit 23b4e28
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diff --git a/lectures/1/player/main.cpp b/lectures/1/player/main.cpp
@@ -2,6 +2,7 @@
 #include "player.hpp"
 
 void anonymousPrint(Player p) {
+    std::clog << "anonymousPrint: В момента имаме " << Player::getPlayerCount() << " играчи" << std::endl;
     p.print();
     p.setName("<анонимен>");
     p.print();
@@ -32,6 +33,8 @@ void testCopyPlayer() {
 
     anonymousPrint("Проба");
     createPlayer().print();
+
+    std::clog << "В момента имаме " << Player::getPlayerCount() << " играчи" << std::endl;
 }
 
 void testArrayPlayer() {

diff --git a/lectures/1/player/player.cpp b/lectures/1/player/player.cpp
@@ -2,16 +2,21 @@
 #include <iostream>
 #include "player.hpp"
 
+unsigned Player::playerCount = 0;
+
 Player::Player(char const* _name, unsigned _score)
     : name(nullptr), score(_score) {
+    playerCount++;
     setName(_name);
 }
 
 Player::Player(Player const& other) : name(nullptr), score(other.score) {
+    playerCount++;
     setName(other.name);
 }
 
 Player::~Player() {
+    playerCount--;
     std::clog << "~Player()\n";
     delete[] name;
 }
@@ -34,4 +39,8 @@ Player& Player::operator=(Player const& other) {
         score = other.score;
     }
     return *this;
+}
+
+unsigned Player::getPlayerCount() {
+    return playerCount;
 }
diff --git a/lectures/1/player/player.hpp b/lectures/1/player/player.hpp
@@ -7,6 +7,9 @@ class Player {
     //char name[MAXNAME];
     char* name;
     unsigned score;
+
+    static unsigned playerCount;
+
 public:
 
     Player(const char* _name = "<анонимен>", unsigned _score = 0);
@@ -20,6 +23,8 @@ class Player {
     void setName(char const* _name);
 
     void print() const;
+
+    static unsigned getPlayerCount();// { return playerCount; }
 };
 
 #endif