From 000062b462a3af86db4dac4d8c9e5ef32feb2996 Mon Sep 17 00:00:00 2001
From: Loek Le Blansch <loek@pipeframe.xyz>
Date: Wed, 11 Dec 2024 21:19:57 +0100
Subject: split up loopmanager into SystemManager and Engine

---
 src/crepe/manager/SystemManager.hpp | 40 +++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/crepe/manager/SystemManager.hpp

(limited to 'src/crepe/manager/SystemManager.hpp')

diff --git a/src/crepe/manager/SystemManager.hpp b/src/crepe/manager/SystemManager.hpp
new file mode 100644
index 0000000..46ada5f
--- /dev/null
+++ b/src/crepe/manager/SystemManager.hpp
@@ -0,0 +1,40 @@
+#pragma once
+
+#include <memory>
+#include <cassert>
+#include <format>
+
+#include "SystemManager.h"
+
+namespace crepe {
+
+template <class T>
+T & SystemManager::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("SystemManager: {} 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 SystemManager::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("SystemManager: {} is already initialized", type.name()));
+	System * system = new T(this->mediator);
+	this->systems[type] = unique_ptr<System>(system);
+}
+
+} // namespace crepe
-- 
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