37 lines
1.6 KiB
C++
37 lines
1.6 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, MessageHandler* a_Handler) {
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assert(a_Handler);
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auto found = std::find(m_Handlers[a_MessageType].begin(), m_Handlers[a_MessageType].end(), a_Handler);
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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, MessageHandler* a_Handler) {
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auto found = std::find(m_Handlers[a_MessageType].begin(), m_Handlers[a_MessageType].end(), a_Handler);
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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(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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pair.second.erase(std::remove(pair.second.begin(), pair.second.end(), a_Handler), pair.second.end());
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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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a_Message.Dispatch(*handler);
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}
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}
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