merge with master

1 files changed, 21 insertions, 125 deletions

diff --git a/src/crepe/api/EventManager.hpp b/src/crepe/api/EventManager.hpp
index b509097..a5f4556 100644
--- a/src/crepe/api/EventManager.hpp
+++ b/src/crepe/api/EventManager.hpp
@@ -1,140 +1,36 @@
+#pragma once
+
 #include "EventManager.h"
+
 namespace crepe {
 
 template <typename EventType>
-void EventManager::subscribe(EventHandler<EventType> && callback, int channel) {
+subscription_t EventManager::subscribe(const EventHandler<EventType> & callback,
+									   event_channel_t channel) {
+	subscription_counter++;
 	std::type_index event_type = typeid(EventType);
 	std::unique_ptr<EventHandlerWrapper<EventType>> handler
 		= std::make_unique<EventHandlerWrapper<EventType>>(callback);
-
-	if (channel) {
-		std::unordered_map<int,
-						   std::vector<std::unique_ptr<IEventHandlerWrapper>>> &
-			handlers_map
-			= this->subscribers_by_event_id[event_type];
-		std::unordered_map<
-			int, std::vector<std::unique_ptr<IEventHandlerWrapper>>>::iterator
-			handlers
-			= handlers_map.find(channel);
-		if (handlers != handlers_map.end()) {
-			handlers->second.emplace_back(std::move(handler));
-		} else {
-			handlers_map[channel].emplace_back(std::move(handler));
-		}
-	} else {
-		std::vector<std::unique_ptr<IEventHandlerWrapper>> & handlers
-			= this->subscribers[event_type];
-		handlers.emplace_back(std::move(handler));
-	}
-}
-
-template <typename EventType>
-void EventManager::queue_event(EventType && event, int channel) {
-	std::type_index event_type = std::type_index(typeid(EventType));
-
-	std::unique_ptr<EventType> event_ptr
-		= std::make_unique<EventType>(std::forward<EventType>(event));
-
-	std::tuple<std::unique_ptr<Event>, int, std::type_index> tuple(
-		std::move(event_ptr), channel, event_type);
-	this->events_queue.push_back(std::move(tuple));
+	std::vector<CallbackEntry> & handlers = this->subscribers[event_type];
+	handlers.emplace_back(CallbackEntry{
+		.callback = std::move(handler), .channel = channel, .id = subscription_counter});
+	return subscription_counter;
 }
 
 template <typename EventType>
-void EventManager::trigger_event(const EventType & event, int channel) {
-	std::type_index event_type = std::type_index(typeid(EventType));
-
-	if (channel > 0) {
-		std::unordered_map<int,
-						   std::vector<std::unique_ptr<IEventHandlerWrapper>>> &
-			handlers_map
-			= this->subscribers_by_event_id[event_type];
-		std::unordered_map<
-			int, std::vector<std::unique_ptr<IEventHandlerWrapper>>>::iterator
-			handlers_it
-			= handlers_map.find(channel);
-
-		if (handlers_it != handlers_map.end()) {
-			std::vector<std::unique_ptr<IEventHandlerWrapper>> & handlers
-				= handlers_it->second;
-			for (std::vector<std::unique_ptr<IEventHandlerWrapper>>::iterator it
-				 = handlers.begin();
-				 it != handlers.end();++it) {
-				// stops when callback returns true
-				if((*it)->exec(event)){
-					break;
-				}
-			}
-		}
-	} else {
-		std::vector<std::unique_ptr<IEventHandlerWrapper>> & handlers
-			= this->subscribers[event_type];
-		for (std::vector<std::unique_ptr<IEventHandlerWrapper>>::iterator it
-			 = handlers.begin();
-			 it != handlers.end();++it) {
-			// stops when callback returns true
-			if((*it)->exec(event)){
-					break;
-				}
-		}
-	}
+void EventManager::queue_event(const EventType & event, event_channel_t channel) {
+	static_assert(std::is_base_of<Event, EventType>::value,
+				  "EventType must derive from Event");
+	this->events_queue.push_back(QueueEntry{
+		.event = std::make_unique<EventType>(event),
+		.channel = channel,
+		.type = typeid(EventType),
+	});
 }
 
 template <typename EventType>
-void EventManager::unsubscribe(const EventHandler<EventType> & callback,
-							   int channel) {
-	std::type_index event_type(typeid(EventType));
-	std::string handler_name = callback.target_type().name();
-
-	if (channel) {
-		std::unordered_map<
-			std::type_index,
-			std::unordered_map<
-				int, std::vector<std::unique_ptr<IEventHandlerWrapper>>>>::
-			iterator subscriber_list
-			= this->subscribers_by_event_id.find(event_type);
-		if (subscriber_list != this->subscribers_by_event_id.end()) {
-			std::unordered_map<
-				int, std::vector<std::unique_ptr<IEventHandlerWrapper>>> &
-				handlers_map
-				= subscriber_list->second;
-			std::unordered_map<
-				int,
-				std::vector<std::unique_ptr<IEventHandlerWrapper>>>::iterator
-				handlers
-				= handlers_map.find(channel);
-			if (handlers != handlers_map.end()) {
-				std::vector<std::unique_ptr<IEventHandlerWrapper>> & callbacks
-					= handlers->second;
-				for (std::vector<
-						 std::unique_ptr<IEventHandlerWrapper>>::iterator it
-					 = callbacks.begin();
-					 it != callbacks.end(); ++it) {
-					if ((*it)->get_type() == handler_name) {
-						it = callbacks.erase(it);
-						return;
-					}
-				}
-			}
-		}
-	} else {
-		std::unordered_map<std::type_index,
-						   std::vector<std::unique_ptr<IEventHandlerWrapper>>>::
-			iterator handlers_it
-			= this->subscribers.find(event_type);
-		if (handlers_it != this->subscribers.end()) {
-			std::vector<std::unique_ptr<IEventHandlerWrapper>> & handlers
-				= handlers_it->second;
-			for (std::vector<std::unique_ptr<IEventHandlerWrapper>>::iterator it
-				 = handlers.begin();
-				 it != handlers.end(); ++it) {
-				if ((*it)->get_type() == handler_name) {
-					it = handlers.erase(it);
-					return;
-				}
-			}
-		}
-	}
+void EventManager::trigger_event(const EventType & event, event_channel_t channel) {
+	this->handle_event(typeid(EventType), channel, event);
 }
 
-}
+} // namespace crepe