www.pudn.com > HeightMap_D3D.zip > cInput.cpp

//----------------------------------------------------------------------------- 
// File: cInput.cpp 
// Desc: Init of all the DirectInput System. 
//----------------------------------------------------------------------------- 
#include "Main.h" 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: cInput() 
// Desc: Constructor of our cInput Class. 
//----------------------------------------------------------------------------- 
cInput::cInput() 
{ 
	m_lpDI = NULL; 
	m_lpDIKB = NULL; 
	m_lpDIMouse = NULL; 
 
	MPos.fX = 0; 
	MPos.fY = 0; 
 
	InitDI(); 
	InitDIKB(); 
	InitDIMouse(); 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: InitDI() 
// Desc: Initializing the DI object here. 
//----------------------------------------------------------------------------- 
HRESULT cInput::InitDI() 
{ 
	if(FAILED(DirectInput8Create(GetModuleHandle(NULL), DIRECTINPUT_VERSION, IID_IDirectInput8, (void**)&m_lpDI, NULL))) 
	{ 
		MessageBox( hWnd,"DirectInput8Create() failed!","cInput::InitDI()",MB_OK ); 
		return E_FAIL; 
	} 
	return S_OK; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: InitKeyBoard() 
// Desc: Initializing the KeyBoard Device. 
//----------------------------------------------------------------------------- 
HRESULT cInput::InitDIKB() 
{ 
	if(FAILED(m_lpDI->CreateDevice(GUID_SysKeyboard, &m_lpDIKB, NULL))) 
	{ 
		MessageBox( hWnd,"CreateDevice() failed!","cInput::InitDIKB()",MB_OK ); 
		return E_FAIL; 
	} 
 
	if(FAILED(m_lpDIKB->SetDataFormat(&c_dfDIKeyboard))) 
	{ 
		MessageBox( hWnd,"SetDataFormat() failed!","cInput::InitDIKB()",MB_OK ); 
		return E_FAIL; 
	} 
 
	if(FAILED(m_lpDIKB->SetCooperativeLevel(hWnd, DISCL_FOREGROUND | DISCL_NONEXCLUSIVE))) 
	{ 
		MessageBox( hWnd,"SetCooperativeLevel() failed!","cInput::InitDIKB()",MB_OK ); 
		return E_FAIL; 
	} 
 
	if(FAILED(m_lpDIKB->Acquire())) 
	{ 
		MessageBox(hWnd, "Acquire() Failed!", "cInput::InitDIKB()", MB_OK); 
		return E_FAIL; 
	} 
	return S_OK; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: InitDIMouse() 
// Desc: Initializing the Mouse Device. 
//----------------------------------------------------------------------------- 
HRESULT cInput::InitDIMouse() 
{ 
	if(FAILED(m_lpDI->CreateDevice(GUID_SysMouse, &m_lpDIMouse, NULL))) 
	{ 
		MessageBox( hWnd,"CreateDevice() failed!","cInput::InitDIMouse()",MB_OK ); 
		return E_FAIL; 
	} 
 
	if(FAILED(m_lpDIMouse->SetDataFormat(&c_dfDIMouse))) 
	{ 
		MessageBox( hWnd, "SetDataFormat() failed!", "cInput::InitDIMouse()", MB_OK); 
		return E_FAIL; 
	} 
 
	if(FAILED(m_lpDIMouse->SetCooperativeLevel( hWnd, DISCL_FOREGROUND | DISCL_NONEXCLUSIVE))) 
	{ 
		MessageBox( hWnd, "SetCooperativeLevel() failed!", "cInput::InitDIMouse()", MB_OK); 
		return E_FAIL; 
	} 
 
	if(FAILED(m_lpDIMouse->Acquire())) 
	{ 
		MessageBox(hWnd, "Acquire() Failed!", "cInput::InitDIMouse()", MB_OK); 
		return E_FAIL; 
	} 
	return S_OK; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: GetDeviceState() 
// Desc: Updates the devices for any changes. 
//----------------------------------------------------------------------------- 
HRESULT cInput::GetDeviceState() 
{ 
	if(FAILED(m_lpDIKB->GetDeviceState(sizeof(chKB_Buffer),(LPVOID)&chKB_Buffer))) 
	{ 
		if(FAILED(m_lpDIKB->Acquire())) 
		{ 
			MessageBox(hWnd, "Acquire() Failed!", "cInput::GetDeviceState()", MB_OK); 
			return E_FAIL; 
		} 
	} 
 
	if(FAILED(m_lpDIMouse->GetDeviceState(sizeof(M_Buffer),(LPVOID)&M_Buffer))) 
	{ 
		if(FAILED(m_lpDIMouse->Acquire())) 
		{ 
			MessageBox(hWnd, "Acquire() Failed!", "cInput::GetDeviceState()", MB_OK); 
			return E_FAIL; 
		} 
	} 
 
	MPos.fX += M_Buffer.lX; 
	MPos.fY += M_Buffer.lY; 
	return S_OK; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: Render() 
// Desc: Render function. calling for move() and rotate() before rendering. 
//----------------------------------------------------------------------------- 
HRESULT cInput::Render() 
{ 
	char FontBuffer[255]; 
	sprintf(FontBuffer, "MPos(%d, %d), M_Buffer(%f, %f, %f)", MPos.fX, MPos.fY, (FLOAT)M_Buffer.lX, (FLOAT)M_Buffer.lY, (FLOAT)M_Buffer.lZ ); 
	if(FAILED(g_pApp->RenderFont( FontBuffer, 0 ))) 
	{ 
		MessageBox(hWnd, "g_pApp->RenderFont( FontBuffer, 0 ) Failed!", "cInput::Render()", MB_OK); 
		return E_FAIL; 
	} 
	return S_OK; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: BKeyDown(int Key) 
// Desc: Checks if a spesific Board Key pressed. 
//----------------------------------------------------------------------------- 
HRESULT cInput::BKeyDown(int Key) 
{ 
	if(chKB_Buffer[Key] & 0x80) 
	{ 
		return S_OK; 
	} 
	return E_FAIL; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: MKeyDown(int Key) 
// Desc: Checks if a spesific Mouse Key pressed. 
//----------------------------------------------------------------------------- 
HRESULT cInput::MKeyDown(int Key) 
{ 
	if(M_Buffer.rgbButtons[Key] & 0x80) 
	{ 
		return S_OK; 
	} 
	return E_FAIL; 
} 
 
 
 
 
//----------------------------------------------------------------------------- 
// Func: ~cInput() 
// Desc: Deconstructor of our cInput Class. 
//----------------------------------------------------------------------------- 
cInput::~cInput() 
{ 
	SafeRelease(m_lpDI); 
 
	if( m_lpDIKB != NULL) 
	{ 
		m_lpDIKB->Unacquire(); 
		m_lpDIKB->Release(); 
		m_lpDIKB = NULL; 
	} 
 
	if( m_lpDIMouse != NULL) 
	{ 
		m_lpDIMouse->Unacquire(); 
		m_lpDIMouse->Release(); 
		m_lpDIMouse = NULL; 
	} 
}