WIP

1 files changed, 34 insertions, 0 deletions

diff --git a/src/crepe/api/LoopManager.hpp b/src/crepe/api/LoopManager.hpp
index 51afa70..627b281 100644
--- a/src/crepe/api/LoopManager.hpp
+++ b/src/crepe/api/LoopManager.hpp
@@ -1,5 +1,10 @@
 #pragma once
 
+#include <memory>
+#include <cassert>
+#include <format>
+
+#include "../system/System.h"
 #include "LoopManager.h"
 
 namespace crepe {
@@ -9,4 +14,33 @@ void LoopManager::add_scene() {
 	this->scene_manager.add_scene<T>();
 }
 
+template <class T>
+T & LoopManager::get_system() {
+	using namespace std;
+	static_assert(is_base_of<System, T>::value, "get_system must recieve a derivative class of System");
+
+	const type_info & type = typeid(T);
+	if (!this->systems.contains(type))
+		throw runtime_error(format("LoopManager: {} is not initialized", type.name()));
+
+	System * system = this->systems.at(type).get();
+	T * concrete_system = dynamic_cast<T *>(system);
+	assert(concrete_system != nullptr);
+
+	return *concrete_system;
+}
+
+template <class T>
+void LoopManager::load_system() {
+	using namespace std;
+	static_assert(is_base_of<System, T>::value,
+			"load_system must recieve a derivative class of System");
+
+	const type_info & type = typeid(T);
+	if (this->systems.contains(type))
+		throw runtime_error(format("LoopManager: {} is already initialized", type.name()));
+	System * system = new T(this->mediator);
+	this->systems[type] = unique_ptr<System>(system);
+}
+
 } // namespace crepe