From f942405184c2d6067fb5303b58a225edf7e452b1 Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Sat, 29 Jul 2017 19:55:16 +0500
Subject: 2017-07-29

---
 src/Event.hpp | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 src/Event.hpp

(limited to 'src/Event.hpp')

diff --git a/src/Event.hpp b/src/Event.hpp
new file mode 100644
index 0000000..2d830a4
--- /dev/null
+++ b/src/Event.hpp
@@ -0,0 +1,116 @@
+#pragma once
+
+#include <queue>
+#include <map>
+#include <thread>
+#include <mutex>
+#include <condition_variable>
+#include <chrono>
+#include <variant>
+#include <functional>
+
+#include "Vector.hpp"
+#include "Packet.hpp"
+
+enum class EventType {
+	Echo,
+	ChunkChanged,
+	ConnectToServer,
+	ConnectionSuccessfull,
+	GlobalAppState,
+	Disconnect,
+	SendPacket,
+	ReceivePacket,
+};
+
+struct EchoData {
+	std::chrono::time_point<std::chrono::high_resolution_clock> time;
+};
+
+struct ChunkChangedData {
+	Vector chunkPosition;
+};
+
+struct ConnectToServerData {
+	std::string address;
+	unsigned short port;
+};
+
+struct ConnectionSuccessfullData {
+
+};
+
+enum class GlobalState {
+	InitialLoading,
+	MainMenu,
+	Loading,
+	InGame,
+	PauseMenu,
+	Exiting,
+};
+
+struct GlobalAppStateData {
+	GlobalState state;
+};
+
+struct DisconnectData {
+
+};
+
+struct SendPacketData {
+	std::shared_ptr<Packet> packet;
+};
+
+struct ReceivePacketData {
+	std::shared_ptr<Packet> packet;
+};
+
+using EventData = std::variant<EchoData, ChunkChangedData, ConnectToServerData, ConnectionSuccessfullData,
+		GlobalAppStateData, DisconnectData, SendPacketData, ReceivePacketData>;
+
+struct Event {
+	EventType type;
+	EventData data;
+};
+
+class EventListener {
+	friend class EventAgregator;
+
+	using HandlerFunc = std::function<void(EventData)>;
+
+	std::map<EventType, HandlerFunc> handlers; //TODO: There must be more elegant solution than std::variant of all data
+
+	std::mutex eventsMutex;
+
+	std::queue<Event> events;
+
+	void PushEvent(Event event);
+
+public:
+	EventListener();
+	~EventListener();
+	bool IsEventsQueueIsNotEmpty();
+
+	void RegisterHandler(EventType type, HandlerFunc handler);
+
+	void HandleEvent();
+};
+
+class EventAgregator {
+	friend EventListener;
+
+	EventAgregator() = default;
+	static std::queue<Event> eventsToHandle;
+	static std::mutex queueMutex;
+	static bool isStarted;
+	static std::vector<EventListener *> listeners;
+	static std::mutex listenersMutex;
+
+	static void EventHandlingLoop();
+
+	static void RegisterListener(EventListener &listener);
+	static void UnregisterListener(EventListener &listener);
+
+public:
+	static void PushEvent(EventType type, EventData data);
+};
\ No newline at end of file
-- 
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