47 lines
2.0 KiB
C++
47 lines
2.0 KiB
C++
#pragma once
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template <typename MessageIdType, typename MessageBase, typename MessageHandler>
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void MessageDispatcher<MessageIdType, MessageBase, MessageHandler>::RegisterHandler(MessageIdType a_MessageType, const std::weak_ptr<MessageHandler>& a_Handler) {
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auto found = std::find_if(m_Handlers[a_MessageType].begin(), m_Handlers[a_MessageType].end(), [&a_Handler](const std::weak_ptr<MessageHandler>& handler){
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return a_Handler.lock() == handler.lock();
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});
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if (found == m_Handlers[a_MessageType].end())
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m_Handlers[a_MessageType].push_back(a_Handler);
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}
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template <typename MessageIdType, typename MessageBase, typename MessageHandler>
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void MessageDispatcher<MessageIdType, MessageBase, MessageHandler>::UnregisterHandler(MessageIdType a_MessageType, const std::weak_ptr<MessageHandler>& a_Handler) {
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auto found = std::find_if(m_Handlers[a_MessageType].begin(), m_Handlers[a_MessageType].end(), [&a_Handler](const std::weak_ptr<MessageHandler>& handler){
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return a_Handler.lock() == handler.lock();
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});
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if (found != m_Handlers[a_MessageType].end())
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m_Handlers[a_MessageType].erase(found);
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}
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template <typename MessageIdType, typename MessageBase, typename MessageHandler>
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void MessageDispatcher<MessageIdType, MessageBase, MessageHandler>::UnregisterHandler(const std::weak_ptr<MessageHandler>& a_Handler) {
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for (auto& pair : m_Handlers) {
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if (pair.second.empty())
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continue;
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MessageIdType type = pair.first;
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auto it = std::find_if(pair.second.begin(), pair.second.end(), [&a_Handler](const std::weak_ptr<MessageHandler>& handler){
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return handler.lock() == a_Handler.lock();
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});
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if (it != pair.second.end())
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pair.second.erase(it);
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}
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}
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template <typename MessageIdType, typename MessageBase, typename MessageHandler>
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void MessageDispatcher<MessageIdType, MessageBase, MessageHandler>::Dispatch(const MessageBase& a_Message) {
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MessageIdType type = a_Message.GetId();
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for (auto& handler : m_Handlers[type]) {
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if (!handler.expired())
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a_Message.Dispatch(*handler.lock());
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}
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}
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