src/Event.h

@@ -51,14 +51,18 @@ struct GameEvent {
 	virtual void print() {};
 };
 
+class Player;
 struct WallJumpEvent : GameEvent {
 	double wallHeight = 0;
+	Player * player = nullptr;
 };
 
 struct WallCrashEvent : GameEvent {
 	double wallHeight = 0;
+	Player * player = nullptr;
 };
 
 struct CoinCollectEvent : GameEvent {
+	Player * player = nullptr;
 	int value = 0;
 };

src/Game.cpp

@@ -66,12 +66,8 @@ Game::Game() {
 	for (auto & spec : spectators)
 		Game::eventQueue->registerListener(&spec);
 	InputWindow::inputQueue->registerListener(&player);
-	auto logger = new Logger;
-	Game::eventQueue->registerListener(logger);
-	Game::eventQueue->unregisterListener(logger);
-	Game::eventQueue->registerListener(logger);
+	Game::eventQueue->registerListener(new Logger);
 	Game::eventQueue->registerListener(new RecordTracker);
-
 	instance = this;
 }
 

src/Listener.cpp

@@ -3,25 +3,25 @@
 void GameListener::accept(GameEvent *event) {
 	if (auto wallJumpEvent = dynamic_cast<WallJumpEvent *>(event))
 		OnWallJumped(wallJumpEvent);
-	else if (auto wallCrashEvent = dynamic_cast<WallCrashEvent *>(event))
+	if (auto wallCrashEvent = dynamic_cast<WallCrashEvent *>(event))
 		OnWallCrashed(wallCrashEvent);
-	else if (auto coinCollectEvent = dynamic_cast<CoinCollectEvent *>(event))
+	if (auto coinCollectEvent = dynamic_cast<CoinCollectEvent *>(event))
 		OnCoinCollected(coinCollectEvent);
 }
 
 void InputListener::accept(InputEvent *event) {
 	if (auto mousePress = dynamic_cast<MousePressEvent *>(event))
 		mousePressed(mousePress);
-	else if (auto mouseRelease = dynamic_cast<MouseReleaseEvent *>(event))
+	if (auto mouseRelease = dynamic_cast<MouseReleaseEvent *>(event))
 		mouseReleased(mouseRelease);
-	else if (auto mouseDoubleClick = dynamic_cast<MouseDoubleClickEvent *>(event))
+	if (auto mouseDoubleClick = dynamic_cast<MouseDoubleClickEvent *>(event))
 		mouseDoubleClicked(mouseDoubleClick);
-	else if (auto mouseMove = dynamic_cast<MouseMoveEvent *>(event))
+	if (auto mouseMove = dynamic_cast<MouseMoveEvent *>(event))
 		mouseMoved(mouseMove);
-	else if (auto keyPress = dynamic_cast<KeyPressEvent *>(event))
+	if (auto keyPress = dynamic_cast<KeyPressEvent *>(event))
 		keyPressed(keyPress);
-	else if (auto keyRelease = dynamic_cast<KeyReleaseEvent *>(event))
+	if (auto keyRelease = dynamic_cast<KeyReleaseEvent *>(event))
 		keyReleased(keyRelease);
-	else if (auto wheel = dynamic_cast<WheelEvent *>(event))
+	if (auto wheel = dynamic_cast<WheelEvent *>(event))
 		mouseWheel(wheel);
 }

src/Listener.h

@@ -3,10 +3,10 @@
 #include <iostream>
 #include "Event.h"
 
-template <typename T>
+template <typename EventType>
 class Listener {
 public:
-	virtual void accept(T *) {}
+	virtual void accept(EventType *) {}
 };
 
 class InputListener : public Listener<InputEvent> {

src/Logger.cpp

@@ -6,21 +6,18 @@ constexpr int eventStringMax = 6;
 
 void Logger::OnCoinCollected(CoinCollectEvent *event) {
 	char buffer[MAX_STRING];
-	sprintf(buffer, "Game event: %*s | time: %6.2f | value: %d\n",
-			eventStringMax, "Coin", event->time, event->value);
+	sprintf(buffer, "Game event: %*s | time: %6.2f | value: %d\n", eventStringMax, "Coin", event->time, event->value);
 	FileManager::instance->writeFile("log.txt", buffer, true);
 }
 
 void Logger::OnWallJumped(WallJumpEvent *event) {
 	char buffer[MAX_STRING];
-	sprintf(buffer, "Game event: %*s | time: %6.2f | wall_height: %6.2f\n",
-			eventStringMax, "Jump", event->time, event->wallHeight);
+	sprintf(buffer, "Game event: %*s | time: %6.2f | wall_height: %6.2f\n", eventStringMax, "Jump", event->time, event->wallHeight);
 	FileManager::instance->writeFile("log.txt", buffer, true);
 }
 
 void Logger::OnWallCrashed(WallCrashEvent *event) {
 	char buffer[MAX_STRING];
-	sprintf(buffer, "Game event: %*s | time: %6.2f | wall_height: %6.2f\n",
-			eventStringMax, "Crash", event->time, event->wallHeight);
+	sprintf(buffer, "Game event: %*s | time: %6.2f | wall_height: %6.2f\n", eventStringMax, "Crash", event->time, event->wallHeight);
 	FileManager::instance->writeFile("log.txt", buffer, true);
 }

src/Player.cpp

@@ -35,6 +35,7 @@ void Player::update(float dTime, std::vector<Wall> &walls, std::vector<Coin>& co
 					wall.jumped = true;
 					auto e = new WallJumpEvent;
 					e->time = Game::instance->eTime;
+					e->player = this;
 					e->wallHeight = wall.size.height();
 					Game::eventQueue->submitEvent(e);
 				} else {
@@ -42,6 +43,7 @@ void Player::update(float dTime, std::vector<Wall> &walls, std::vector<Coin>& co
 					auto e = new WallCrashEvent;
 					e->time = Game::instance->eTime;
 					e->wallHeight = wall.size.height();
+					e->player = this;
 					Game::eventQueue->submitEvent(e);
 				}
 			}
@@ -54,6 +56,7 @@ void Player::update(float dTime, std::vector<Wall> &walls, std::vector<Coin>& co
 			coin.collected = true;
 			auto e = new CoinCollectEvent;
 			e->time = Game::instance->eTime;
+			e->player = this;
 			e->value = coin.value;
 			Game::eventQueue->submitEvent(e);
 		}

src/Queue.h

@@ -17,18 +17,29 @@ class Queue {
 	std::mutex mutex;
 	void run() {
 		while (!QApplication::closingDown()){
-			if (tail != head)
+			if (!isEmpty())
 				update();
 			std::this_thread::sleep_for(std::chrono::milliseconds(1));
 		}
 	};
 	virtual void update() {}
-	// First in: points to next free slot
+
+	// First in
 	size_t tail = 0;
-	// First out: points to leaving element's position
+
+	// First out
 	size_t head = 0;
+
 	T * container[MAX_QUEUE_SIZE];
 protected:
+	bool isEmpty() const {
+		return tail == head;
+	}
+	size_t size() const {
+		if (tail > head)
+			return tail - head;
+		return MAX_QUEUE_SIZE - head + tail;
+	}
 	T * pop(){
 		mutex.lock();
 		T * element = container[head];
@@ -42,21 +53,18 @@ public:
 	}
 	void push(T * element){
 		mutex.lock();
-		if ((tail + 1) % MAX_QUEUE_SIZE != head){
-			container[tail] = element;
-			tail = (tail + 1) % MAX_QUEUE_SIZE;
-		} else
-			std::cout << "Queue is full!\n";
+		container[tail] = element;
+		tail = (tail + 1) % MAX_QUEUE_SIZE;
 		mutex.unlock();
 	}
 };
 
 
-template <typename T>
-class EventQueue : private Queue<T>{
-	std::set<Listener<T> *> listeners;
+template <typename EventType>
+class EventQueue : protected Queue<EventType>{
+	std::set<Listener<EventType> *> listeners;
 	void update() override {
-		T * event = this->pop();
+		EventType * event = this->pop();
 
 		for (auto listener : listeners)
 			listener->accept(event);
@@ -64,13 +72,13 @@ class EventQueue : private Queue<T>{
 		delete event;
 	}
 public:
-	void submitEvent(T * event){
+	void submitEvent(EventType * event){
 		this->push(event);
 	}
-	void registerListener(Listener<T> * listener){
+	void registerListener(Listener<EventType> * listener){
 		listeners.insert(listener);
 	}
-	void unregisterListener(Listener<T> * listener){
+	void unregisterListener(Listener<EventType> * listener){
 		listeners.erase(listener);
 	}
 };

src/main.cpp

@@ -8,7 +8,7 @@ int main(int argc, char * argv[]){
 	QApplication app(argc, argv);
 
 	Window w;
-	w.resize(WIDTH, HEIGHT);
+	w.resize(800, 400);
 	w.show();
 
 	return QApplication::exec();