087b7e7abf
This code was not tested and breaks in Release builds, reverting to restore
functionality of the nightly. All in-game menus do not work and generating
a world crashes.
This reverts commit a9be52c41a.
412 lines
10 KiB
C++
412 lines
10 KiB
C++
#include "stdafx.h"
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#ifdef _WINDOWS64
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#include "KeyboardMouseInput.h"
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#include <cmath>
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KeyboardMouseInput g_KBMInput;
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extern HWND g_hWnd;
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// Forward declaration
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static void ClipCursorToWindow(HWND hWnd);
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static bool IsModifierKeyDown(const bool* keyState, int vkCode)
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{
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switch (vkCode)
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{
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case VK_SHIFT:
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return keyState[VK_LSHIFT] || keyState[VK_RSHIFT];
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case VK_CONTROL:
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return keyState[VK_LCONTROL] || keyState[VK_RCONTROL];
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case VK_MENU:
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return keyState[VK_LMENU] || keyState[VK_RMENU];
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default:
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return false;
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}
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}
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void KeyboardMouseInput::Init()
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{
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memset(m_keyDown, 0, sizeof(m_keyDown));
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memset(m_keyDownPrev, 0, sizeof(m_keyDownPrev));
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memset(m_keyPressedAccum, 0, sizeof(m_keyPressedAccum));
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memset(m_keyReleasedAccum, 0, sizeof(m_keyReleasedAccum));
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memset(m_keyPressed, 0, sizeof(m_keyPressed));
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memset(m_keyReleased, 0, sizeof(m_keyReleased));
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memset(m_mouseButtonDown, 0, sizeof(m_mouseButtonDown));
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memset(m_mouseButtonDownPrev, 0, sizeof(m_mouseButtonDownPrev));
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memset(m_mouseBtnPressedAccum, 0, sizeof(m_mouseBtnPressedAccum));
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memset(m_mouseBtnReleasedAccum, 0, sizeof(m_mouseBtnReleasedAccum));
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memset(m_mouseBtnPressed, 0, sizeof(m_mouseBtnPressed));
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memset(m_mouseBtnReleased, 0, sizeof(m_mouseBtnReleased));
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m_mouseX = 0;
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m_mouseY = 0;
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m_mouseDeltaX = 0;
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m_mouseDeltaY = 0;
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m_mouseDeltaAccumX = 0;
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m_mouseDeltaAccumY = 0;
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m_mouseWheelAccum = 0;
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m_mouseWheelConsumed = false;
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m_mouseGrabbed = false;
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m_cursorHiddenForUI = false;
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m_windowFocused = true;
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m_hasInput = false;
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m_kbmActive = true;
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m_screenWantsCursorHidden = false;
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m_charBufferHead = 0;
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m_charBufferTail = 0;
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RAWINPUTDEVICE rid;
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rid.usUsagePage = 0x01; // HID_USAGE_PAGE_GENERIC
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rid.usUsage = 0x02; // HID_USAGE_GENERIC_MOUSE
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rid.dwFlags = 0;
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rid.hwndTarget = g_hWnd;
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RegisterRawInputDevices(&rid, 1, sizeof(rid));
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}
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void KeyboardMouseInput::ClearAllState()
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{
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memset(m_keyDown, 0, sizeof(m_keyDown));
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memset(m_keyDownPrev, 0, sizeof(m_keyDownPrev));
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memset(m_keyPressedAccum, 0, sizeof(m_keyPressedAccum));
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memset(m_keyReleasedAccum, 0, sizeof(m_keyReleasedAccum));
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memset(m_keyPressed, 0, sizeof(m_keyPressed));
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memset(m_keyReleased, 0, sizeof(m_keyReleased));
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memset(m_mouseButtonDown, 0, sizeof(m_mouseButtonDown));
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memset(m_mouseButtonDownPrev, 0, sizeof(m_mouseButtonDownPrev));
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memset(m_mouseBtnPressedAccum, 0, sizeof(m_mouseBtnPressedAccum));
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memset(m_mouseBtnReleasedAccum, 0, sizeof(m_mouseBtnReleasedAccum));
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memset(m_mouseBtnPressed, 0, sizeof(m_mouseBtnPressed));
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memset(m_mouseBtnReleased, 0, sizeof(m_mouseBtnReleased));
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m_mouseDeltaX = 0;
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m_mouseDeltaY = 0;
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m_mouseDeltaAccumX = 0;
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m_mouseDeltaAccumY = 0;
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m_mouseWheelAccum = 0;
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m_mouseWheelConsumed = false;
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}
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void KeyboardMouseInput::Tick()
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{
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memcpy(m_keyDownPrev, m_keyDown, sizeof(m_keyDown));
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memcpy(m_mouseButtonDownPrev, m_mouseButtonDown, sizeof(m_mouseButtonDown));
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memcpy(m_keyPressed, m_keyPressedAccum, sizeof(m_keyPressedAccum));
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memcpy(m_keyReleased, m_keyReleasedAccum, sizeof(m_keyReleasedAccum));
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memset(m_keyPressedAccum, 0, sizeof(m_keyPressedAccum));
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memset(m_keyReleasedAccum, 0, sizeof(m_keyReleasedAccum));
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memcpy(m_mouseBtnPressed, m_mouseBtnPressedAccum, sizeof(m_mouseBtnPressedAccum));
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memcpy(m_mouseBtnReleased, m_mouseBtnReleasedAccum, sizeof(m_mouseBtnReleasedAccum));
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memset(m_mouseBtnPressedAccum, 0, sizeof(m_mouseBtnPressedAccum));
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memset(m_mouseBtnReleasedAccum, 0, sizeof(m_mouseBtnReleasedAccum));
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m_mouseDeltaX = m_mouseDeltaAccumX;
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m_mouseDeltaY = m_mouseDeltaAccumY;
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m_mouseDeltaAccumX = 0;
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m_mouseDeltaAccumY = 0;
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m_mouseWheelConsumed = false;
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m_hasInput = (m_mouseDeltaX != 0 || m_mouseDeltaY != 0 || m_mouseWheelAccum != 0);
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if (!m_hasInput)
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{
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for (int i = 0; i < MAX_KEYS; i++)
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{
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if (m_keyDown[i]) { m_hasInput = true; break; }
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}
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}
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if (!m_hasInput)
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{
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for (int i = 0; i < MAX_MOUSE_BUTTONS; i++)
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{
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if (m_mouseButtonDown[i]) { m_hasInput = true; break; }
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}
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}
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if ((m_mouseGrabbed || m_cursorHiddenForUI) && m_windowFocused && g_hWnd)
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{
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RECT rc;
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GetClientRect(g_hWnd, &rc);
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POINT center;
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center.x = (rc.right - rc.left) / 2;
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center.y = (rc.bottom - rc.top) / 2;
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ClientToScreen(g_hWnd, ¢er);
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SetCursorPos(center.x, center.y);
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}
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}
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void KeyboardMouseInput::OnKeyDown(int vkCode)
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{
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if (vkCode >= 0 && vkCode < MAX_KEYS)
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{
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if (!m_keyDown[vkCode])
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m_keyPressedAccum[vkCode] = true;
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m_keyDown[vkCode] = true;
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}
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}
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void KeyboardMouseInput::OnKeyUp(int vkCode)
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{
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if (vkCode >= 0 && vkCode < MAX_KEYS)
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{
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if (m_keyDown[vkCode])
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m_keyReleasedAccum[vkCode] = true;
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m_keyDown[vkCode] = false;
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}
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}
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void KeyboardMouseInput::OnMouseButtonDown(int button)
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{
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if (button >= 0 && button < MAX_MOUSE_BUTTONS)
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{
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if (!m_mouseButtonDown[button])
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m_mouseBtnPressedAccum[button] = true;
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m_mouseButtonDown[button] = true;
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}
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}
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void KeyboardMouseInput::OnMouseButtonUp(int button)
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{
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if (button >= 0 && button < MAX_MOUSE_BUTTONS)
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{
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if (m_mouseButtonDown[button])
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m_mouseBtnReleasedAccum[button] = true;
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m_mouseButtonDown[button] = false;
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}
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}
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void KeyboardMouseInput::OnMouseMove(int x, int y)
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{
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m_mouseX = x;
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m_mouseY = y;
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}
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void KeyboardMouseInput::OnMouseWheel(int delta)
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{
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// Normalize from raw Windows delta (multiples of WHEEL_DELTA=120) to discrete notch counts
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m_mouseWheelAccum += delta / WHEEL_DELTA;
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}
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int KeyboardMouseInput::GetMouseWheel()
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{
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int val = m_mouseWheelAccum;
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if (val != 0)
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m_mouseWheelConsumed = true;
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m_mouseWheelAccum = 0;
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return val;
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}
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void KeyboardMouseInput::OnRawMouseDelta(int dx, int dy)
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{
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m_mouseDeltaAccumX += dx;
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m_mouseDeltaAccumY += dy;
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}
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bool KeyboardMouseInput::IsKeyDown(int vkCode) const
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{
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if (vkCode == VK_SHIFT || vkCode == VK_CONTROL || vkCode == VK_MENU)
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return IsModifierKeyDown(m_keyDown, vkCode);
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if (vkCode >= 0 && vkCode < MAX_KEYS)
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return m_keyDown[vkCode];
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return false;
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}
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bool KeyboardMouseInput::IsKeyPressed(int vkCode) const
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{
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if (vkCode == VK_SHIFT || vkCode == VK_CONTROL || vkCode == VK_MENU)
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return IsModifierKeyDown(m_keyPressed, vkCode);
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if (vkCode >= 0 && vkCode < MAX_KEYS)
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return m_keyPressed[vkCode];
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return false;
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}
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bool KeyboardMouseInput::IsKeyReleased(int vkCode) const
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{
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if (vkCode == VK_SHIFT || vkCode == VK_CONTROL || vkCode == VK_MENU)
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return IsModifierKeyDown(m_keyReleased, vkCode);
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if (vkCode >= 0 && vkCode < MAX_KEYS)
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return m_keyReleased[vkCode];
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return false;
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}
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bool KeyboardMouseInput::IsMouseButtonDown(int button) const
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{
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if (button >= 0 && button < MAX_MOUSE_BUTTONS)
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return m_mouseButtonDown[button];
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return false;
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}
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bool KeyboardMouseInput::IsMouseButtonPressed(int button) const
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{
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if (button >= 0 && button < MAX_MOUSE_BUTTONS)
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return m_mouseBtnPressed[button];
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return false;
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}
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bool KeyboardMouseInput::IsMouseButtonReleased(int button) const
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{
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if (button >= 0 && button < MAX_MOUSE_BUTTONS)
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return m_mouseBtnReleased[button];
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return false;
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}
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void KeyboardMouseInput::ConsumeMouseDelta(float &dx, float &dy)
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{
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dx = static_cast<float>(m_mouseDeltaAccumX);
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dy = static_cast<float>(m_mouseDeltaAccumY);
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m_mouseDeltaAccumX = 0;
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m_mouseDeltaAccumY = 0;
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}
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void KeyboardMouseInput::SetMouseGrabbed(bool grabbed)
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{
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if (m_mouseGrabbed == grabbed)
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return;
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m_mouseGrabbed = grabbed;
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if (grabbed && g_hWnd)
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{
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while (ShowCursor(FALSE) >= 0) {}
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ClipCursorToWindow(g_hWnd);
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RECT rc;
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GetClientRect(g_hWnd, &rc);
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POINT center;
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center.x = (rc.right - rc.left) / 2;
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center.y = (rc.bottom - rc.top) / 2;
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ClientToScreen(g_hWnd, ¢er);
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SetCursorPos(center.x, center.y);
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m_mouseDeltaAccumX = 0;
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m_mouseDeltaAccumY = 0;
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}
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else if (!grabbed && !m_cursorHiddenForUI && g_hWnd)
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{
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while (ShowCursor(TRUE) < 0) {}
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ClipCursor(NULL);
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}
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}
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void KeyboardMouseInput::SetCursorHiddenForUI(bool hidden)
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{
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if (m_cursorHiddenForUI == hidden)
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return;
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m_cursorHiddenForUI = hidden;
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if (hidden && g_hWnd)
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{
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while (ShowCursor(FALSE) >= 0) {}
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ClipCursorToWindow(g_hWnd);
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RECT rc;
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GetClientRect(g_hWnd, &rc);
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POINT center;
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center.x = (rc.right - rc.left) / 2;
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center.y = (rc.bottom - rc.top) / 2;
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ClientToScreen(g_hWnd, ¢er);
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SetCursorPos(center.x, center.y);
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m_mouseDeltaAccumX = 0;
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m_mouseDeltaAccumY = 0;
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}
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else if (!hidden && !m_mouseGrabbed && g_hWnd)
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{
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while (ShowCursor(TRUE) < 0) {}
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ClipCursor(NULL);
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}
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}
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static void ClipCursorToWindow(HWND hWnd)
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{
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if (!hWnd) return;
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RECT rc;
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GetClientRect(hWnd, &rc);
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POINT topLeft = { rc.left, rc.top };
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POINT bottomRight = { rc.right, rc.bottom };
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ClientToScreen(hWnd, &topLeft);
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ClientToScreen(hWnd, &bottomRight);
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RECT clipRect = { topLeft.x, topLeft.y, bottomRight.x, bottomRight.y };
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ClipCursor(&clipRect);
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}
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void KeyboardMouseInput::SetWindowFocused(bool focused)
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{
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m_windowFocused = focused;
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if (focused)
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{
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if (m_mouseGrabbed || m_cursorHiddenForUI)
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{
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while (ShowCursor(FALSE) >= 0) {}
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ClipCursorToWindow(g_hWnd);
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}
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else
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{
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while (ShowCursor(TRUE) < 0) {}
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ClipCursor(NULL);
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}
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}
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else
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{
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while (ShowCursor(TRUE) < 0) {}
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ClipCursor(NULL);
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}
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}
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float KeyboardMouseInput::GetMoveX() const
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{
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float x = 0.0f;
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if (m_keyDown[KEY_LEFT]) x += 1.0f;
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if (m_keyDown[KEY_RIGHT]) x -= 1.0f;
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return x;
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}
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float KeyboardMouseInput::GetMoveY() const
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{
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float y = 0.0f;
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if (m_keyDown[KEY_FORWARD]) y += 1.0f;
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if (m_keyDown[KEY_BACKWARD]) y -= 1.0f;
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return y;
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}
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float KeyboardMouseInput::GetLookX(float sensitivity) const
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{
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return static_cast<float>(m_mouseDeltaX) * sensitivity;
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}
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float KeyboardMouseInput::GetLookY(float sensitivity) const
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{
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return static_cast<float>(-m_mouseDeltaY) * sensitivity;
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}
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void KeyboardMouseInput::OnChar(wchar_t c)
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{
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int next = (m_charBufferHead + 1) % CHAR_BUFFER_SIZE;
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if (next != m_charBufferTail)
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{
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m_charBuffer[m_charBufferHead] = c;
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m_charBufferHead = next;
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}
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}
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bool KeyboardMouseInput::ConsumeChar(wchar_t &outChar)
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{
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if (m_charBufferTail == m_charBufferHead)
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return false;
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outChar = m_charBuffer[m_charBufferTail];
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m_charBufferTail = (m_charBufferTail + 1) % CHAR_BUFFER_SIZE;
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return true;
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}
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void KeyboardMouseInput::ClearCharBuffer()
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{
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m_charBufferHead = 0;
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m_charBufferTail = 0;
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}
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#endif // _WINDOWS64
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