154 lines
2.8 KiB
C++
154 lines
2.8 KiB
C++
#include "..\e2dmodule.h"
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#include "..\e2dtool.h"
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e2d::Input::Input(HWND hwnd)
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: direct_input_(nullptr)
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, keyboard_device_(nullptr)
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, mouse_device_(nullptr)
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{
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ZeroMemory(key_buffer_, sizeof(key_buffer_));
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ZeroMemory(&mouse_state_, sizeof(mouse_state_));
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// 初始化接口对象
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ThrowIfFailed(
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DirectInput8Create(
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HINST_THISCOMPONENT,
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DIRECTINPUT_VERSION,
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IID_IDirectInput8,
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(void**)&direct_input_,
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nullptr
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)
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);
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// 初始化键盘设备
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ThrowIfFailed(
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direct_input_->CreateDevice(
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GUID_SysKeyboard,
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&keyboard_device_,
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nullptr
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)
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);
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keyboard_device_->SetCooperativeLevel(hwnd, DISCL_FOREGROUND | DISCL_NONEXCLUSIVE);
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keyboard_device_->SetDataFormat(&c_dfDIKeyboard);
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keyboard_device_->Acquire();
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keyboard_device_->Poll();
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// 初始化鼠标设备
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ThrowIfFailed(
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direct_input_->CreateDevice(
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GUID_SysMouse,
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&mouse_device_,
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nullptr
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)
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);
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mouse_device_->SetCooperativeLevel(hwnd, DISCL_FOREGROUND | DISCL_NONEXCLUSIVE);
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mouse_device_->SetDataFormat(&c_dfDIMouse);
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mouse_device_->Acquire();
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mouse_device_->Poll();
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}
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e2d::Input::~Input()
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{
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if (keyboard_device_)
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keyboard_device_->Unacquire();
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if (mouse_device_)
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mouse_device_->Unacquire();
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SafeRelease(mouse_device_);
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SafeRelease(keyboard_device_);
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SafeRelease(direct_input_);
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}
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void e2d::Input::Flush()
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{
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if (keyboard_device_)
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{
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HRESULT hr = keyboard_device_->Poll();
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if (FAILED(hr))
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{
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hr = keyboard_device_->Acquire();
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while (hr == DIERR_INPUTLOST)
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hr = keyboard_device_->Acquire();
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}
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else
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{
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keyboard_device_->GetDeviceState(
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sizeof(key_buffer_),
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(void**)&key_buffer_
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);
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}
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}
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if (mouse_device_)
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{
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HRESULT hr = mouse_device_->Poll();
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if (FAILED(hr))
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{
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hr = mouse_device_->Acquire();
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while (hr == DIERR_INPUTLOST)
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hr = mouse_device_->Acquire();
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}
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else
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{
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mouse_device_->GetDeviceState(
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sizeof(mouse_state_),
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(void**)&mouse_state_
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);
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}
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}
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}
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bool e2d::Input::IsDown(KeyCode key)
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{
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if (key_buffer_[static_cast<int>(key)] & 0x80)
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return true;
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return false;
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}
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bool e2d::Input::IsDown(MouseCode code)
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{
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if (mouse_state_.rgbButtons[static_cast<int>(code)] & 0x80)
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return true;
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return false;
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}
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float e2d::Input::GetMouseX()
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{
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return GetMousePos().x;
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}
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float e2d::Input::GetMouseY()
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{
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return GetMousePos().y;
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}
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e2d::Point e2d::Input::GetMousePos()
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{
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HDC hdc = ::GetDC(0);
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int dpi_x = GetDeviceCaps(hdc, LOGPIXELSX);
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int dpi_y = GetDeviceCaps(hdc, LOGPIXELSY);
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POINT mousePos;
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::GetCursorPos(&mousePos);
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::ScreenToClient(Game::GetInstance()->GetHWnd(), &mousePos);
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return Point(mousePos.x * 96.f / dpi_x, mousePos.y * 96.f / dpi_y);
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}
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float e2d::Input::GetMouseDeltaX()
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{
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return (float)mouse_state_.lX;
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}
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float e2d::Input::GetMouseDeltaY()
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{
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return (float)mouse_state_.lY;
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}
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float e2d::Input::GetMouseDeltaZ()
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{
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return (float)mouse_state_.lZ;
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}
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