92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
#pragma once
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#ifdef _WINDOWS64
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#include <windows.h>
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// HID usage page and usage for raw input registration
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#ifndef HID_USAGE_PAGE_GENERIC
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#define HID_USAGE_PAGE_GENERIC ((USHORT)0x01)
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#endif
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#ifndef HID_USAGE_GENERIC_MOUSE
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#define HID_USAGE_GENERIC_MOUSE ((USHORT)0x02)
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#endif
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class KeyboardMouseInput
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{
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public:
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KeyboardMouseInput();
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~KeyboardMouseInput();
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void Init(HWND hWnd);
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void Tick();
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void EndFrame();
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// Called from WndProc
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void OnKeyDown(WPARAM vk);
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void OnKeyUp(WPARAM vk);
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void OnRawMouseInput(LPARAM lParam);
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void OnMouseButton(int button, bool down);
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void OnMouseWheel(int delta);
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void ClearAllState();
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// Per-frame edge detection (for UI / per-frame logic like Alt toggle)
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bool IsKeyDown(int vk) const;
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bool IsKeyPressed(int vk) const;
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bool IsKeyReleased(int vk) const;
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bool IsMouseDown(int btn) const;
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bool IsMousePressed(int btn) const;
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bool IsMouseReleased(int btn) const;
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// Game-tick consume methods: accumulate across frames, clear on read.
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// Use these from code that runs at game tick rate (20Hz).
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bool ConsumeKeyPress(int vk);
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bool ConsumeMousePress(int btn);
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bool ConsumeMouseRelease(int btn);
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void ConsumeMouseDelta(float &dx, float &dy);
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int ConsumeScrollDelta();
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// Absolute cursor position (client-area coordinates, for GUI when not captured)
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void OnMouseMove(int x, int y);
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int GetMouseX() const;
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int GetMouseY() const;
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HWND GetHWnd() const;
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// Mouse capture for FPS look
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void SetCapture(bool capture);
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bool IsCaptured() const;
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private:
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void CenterCursor();
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// Per-frame double-buffered state (for IsKeyPressed/Released per-frame edge detection)
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bool m_keyState[256];
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bool m_keyStatePrev[256];
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bool m_mouseButtons[3];
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bool m_mouseButtonsPrev[3];
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// Sticky press accumulators (persist until consumed by game tick)
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bool m_keyPressedAccum[256];
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bool m_mousePressedAccum[3];
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bool m_mouseReleasedAccum[3];
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// Mouse delta accumulators (persist until consumed by game tick)
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float m_mouseDeltaXAccum;
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float m_mouseDeltaYAccum;
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// Scroll accumulator (persists until consumed by game tick)
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int m_scrollDeltaAccum;
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bool m_captured;
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HWND m_hWnd;
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bool m_initialized;
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// Absolute cursor position in client coordinates
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int m_mouseX;
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int m_mouseY;
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};
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extern KeyboardMouseInput KMInput;
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#endif // _WINDOWS64
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