DirectInput封装类

#include "DXInput.h" CDXInput::CDXInput(VOID) { ZeroMemory(m_PreKeyBoardState,sizeof(BYTE)*256); ZeroMemory(m_CurKeyBoardState,sizeof(BYTE)*256); ZeroMemory(&m_PreMouse,sizeof(DIMOUSESTATE)); ZeroMemory(&m_CurMouse,sizeof(DIMOUSESTATE)); } CDXInput::~CDXInput(VOID) { SAFE_RELEASE(m_pDI); if (m_pKeyBoard!=NULL) { m_pKeyBoard->Unacquire();//必须释放控制权 SAFE_RELEASE(m_pKeyBoard); } if (m_pMouse!=NULL) { m_pMouse->Unacquire();//必须释放控制权 SAFE_RELEASE(m_pMouse); } } BOOL CDXInput::Init( HINSTANCE hin,HWND hWnd ) { m_hWnd = hWnd; if (FAILED(DirectInput8Create(hin,DIRECTINPUT_VERSION,IID_IDirectInput8,(LPVOID*)&m_pDI,NULL))) { MessageBox(hWnd,"createInput","failed",MB_ICONSTOP); return FALSE; } m_pDI->CreateDevice(GUID_SysKeyboard,&m_pKeyBoard,NULL); m_pKeyBoard->SetDataFormat(&c_dfDIKeyboard);//设置数据格式 m_pKeyBoard->SetCooperativeLevel(hWnd,DISCL_FOREGROUND|DISCL_NONEXCLUSIVE);//设置合作层级(前台，非独占性) m_pKeyBoard->Acquire();//获取控制权 m_pDI->CreateDevice(GUID_SysMouse,&m_pMouse,NULL); m_pMouse->SetDataFormat(&c_dfDIMouse); m_pMouse->SetCooperativeLevel(hWnd,DISCL_FOREGROUND|DISCL_NONEXCLUSIVE); m_pMouse->Acquire(); return TRUE; } VOID CDXInput::Update() { if (m_pKeyBoard) { memcpy(m_PreKeyBoardState,m_CurKeyBoardState,sizeof(BYTE)*256); //GetDeviceData 缓冲模式 if (FAILED(m_pKeyBoard->GetDeviceState(sizeof(BYTE)*256,&m_CurKeyBoardState)))//获取设备（立即模式） { ZeroMemory(m_CurKeyBoardState,sizeof(BYTE)*256); m_pKeyBoard->Acquire(); } } if (m_pMouse) { memcpy(&m_PreMouse,&m_CurMouse,sizeof(DIMOUSESTATE)); if (FAILED(m_pMouse->GetDeviceState(sizeof(DIMOUSESTATE),&m_CurMouse)))//获取设备 { ZeroMemory(&m_CurMouse,sizeof(DIMOUSESTATE)); m_pMouse->Acquire(); } } } BOOL CDXInput::KeyDown(INT key) { if (key >=1000) { return (!(m_PreMouse.rgbButtons[key-1000]&0x80) && (m_CurMouse.rgbButtons[key-1000]&0x80)); } return (!(m_PreKeyBoardState[key]&0x80) && (m_CurKeyBoardState[key]&0x80)); } BOOL CDXInput::KeyHold(INT key) { if (key >=1000) { return ((m_PreMouse.rgbButtons[key-1000]&0x80) && (m_CurMouse.rgbButtons[key-1000]&0x80)); } return ((m_PreKeyBoardState[key]&0x80) && (m_CurKeyBoardState[key]&0x80)); } BOOL CDXInput::KeyUp(INT key) { if (key >=1000) { return ((m_PreMouse.rgbButtons[key-1000]&0x80) && !(m_CurMouse.rgbButtons[key-1000]&0x80)); } return ((m_PreKeyBoardState[key]&0x80) && !(m_CurKeyBoardState[key]&0x80)); }