Add some code from framework

project/BlackBoard.h

@@ -0,0 +1,80 @@
+#pragma once
+
+#include <unordered_map>
+#include <string>
+
+
+class IBlackBoardField
+{
+public:
+	IBlackBoardField() = default;
+	virtual ~IBlackBoardField() = default;
+};
+
+//BlackboardField does not take ownership of pointers whatsoever!
+template<typename T>
+class BlackboardField : public IBlackBoardField
+{
+public:
+	explicit BlackboardField(T data) : m_Data(data) {
+	}
+	T GetData() { return m_Data; };
+	void SetData(T data) { m_Data = data; }
+
+private:
+	T m_Data;
+};
+
+class Blackboard final
+{
+public:
+	Blackboard() = default;
+	~Blackboard() {
+		for (auto el : m_BlackboardData)
+			delete el.second;
+		m_BlackboardData.clear();
+	}
+
+	Blackboard(const Blackboard& other) = delete;
+	Blackboard& operator=(const Blackboard& other) = delete;
+	Blackboard(Blackboard&& other) = delete;
+	Blackboard& operator=(Blackboard&& other) = delete;
+
+	template<typename T> bool AddData(const std::string& name, T data) {
+		auto it = m_BlackboardData.find(name);
+		if (it == m_BlackboardData.end()) {
+			m_BlackboardData[name] = new BlackboardField<T>(data);
+			return true;
+		}
+		printf("WARNING: Data '%s' of type '%s' already in Blackboard \n", name.c_str(), typeid(T).name());
+		return false;
+	}
+
+	template<typename T> bool ChangeData(const std::string& name, T data) {
+		auto it = m_BlackboardData.find(name);
+		if (it != m_BlackboardData.end()) {
+			BlackboardField<T>* p = dynamic_cast<BlackboardField<T>*>(m_BlackboardData[name]);
+			if (p) {
+				p->SetData(data);
+				return true;
+			}
+		}
+		printf("WARNING: Data '%s' of type '%s' not found in Blackboard \n", name.c_str(), typeid(T).name());
+		return false;
+	}
+
+	//Get the data from the blackboard
+	template<typename T> bool GetData(const std::string& name, T& data) {
+		BlackboardField<T>* p = dynamic_cast<BlackboardField<T>*>(m_BlackboardData[name]);
+		if (p != nullptr) {
+			data = p->GetData();
+			return true;
+		}
+		printf("WARNING: Data '%s' of type '%s' not found in Blackboard \n", name.c_str(), typeid(T).name());
+		return false;
+	}
+
+private:
+	std::unordered_map<std::string, IBlackBoardField*> m_BlackboardData;
+};
+