65 lines
1.4 KiB
C++
65 lines
1.4 KiB
C++
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#pragma once
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#include <surface/system.hpp>
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namespace lt::input {
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template<class... Ts>
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struct overloads: Ts...
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{
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using Ts::operator()...;
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};
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/**
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*
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* @note If this system is attached, it will always consume the input events f rom surface.
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* Therefore if you want any input detection mechanism, callbacks should be setup with this
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* system and not directly with surface.
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*/
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class System
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{
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public:
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System(lt::surface::System &surface_system)
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{
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surface_system.add_event_listener([this](auto &&event) {
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return handle_event(std::forward<decltype(event)>(event));
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});
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};
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private:
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auto handle_event(const lt::surface::System::Event &event) -> bool
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{
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const auto visitor = overloads {
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[this](const lt::surface::KeyPressedEvent &event) {
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m_keys[event.get_key()] = true;
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return true;
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},
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[](const lt::surface::KeyRepeatEvent &) { return false; },
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[](const lt::surface::KeyReleasedEvent &) { return false; },
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[](const lt::surface::KeySetCharEvent &) { return false; },
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[](const lt::surface::MouseMovedEvent &) { return false; },
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[](const lt::surface::WheelScrolledEvent &) { return false; },
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[](const lt::surface::ButtonPressedEvent &) { return false; },
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[](const lt::surface::ButtonReleasedEvent &) { return false; },
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[](const auto &) { return false; },
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};
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return std::visit(visitor, event);
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}
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void setup_callbacks(GLFWwindow *handle);
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std::array<bool, 512> m_keys {};
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};
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} // namespace lt::input
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