revamp input system

1 files changed, 46 insertions, 0 deletions

diff --git a/lib/nes/app/input/input-event.hh b/lib/nes/app/input/input-event.hh
new file mode 100644
index 0000000..90e67b0
--- /dev/null
+++ b/lib/nes/app/input/input-event.hh
@@ -0,0 +1,46 @@
+#pragma once
+
+#include "nes/app/input/key.hh"
+
+namespace nes::app
+{
+	class input_event
+	{
+	public:
+		enum class type
+		{
+			none,
+			key_down,
+			key_up,
+		};
+
+	private:
+		type type_{ type::none };
+		key key_{};
+
+	public:
+		constexpr explicit input_event() = default;
+
+		static constexpr auto key_down(key const key) -> input_event { return input_event{ type::key_down, key }; }
+		static constexpr auto key_up(key const key) -> input_event { return input_event{ type::key_up, key }; }
+
+		constexpr operator bool() const { return type_ != type::none; }
+
+		constexpr auto get_type() const -> type { return type_; }
+		constexpr auto get_key() const -> key { return key_; }
+
+	private:
+		constexpr explicit input_event(type const type, key const key)
+			: type_{ type }
+			, key_{ key }
+		{
+		}
+	};
+
+	constexpr auto operator==(input_event const lhs, input_event const rhs)
+	{
+		return lhs.get_type() == rhs.get_type() && lhs.get_key() == rhs.get_key();
+	}
+
+	constexpr auto operator!=(input_event const lhs, input_event const rhs) { return !(lhs == rhs); }
+} // namespace nes::app
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