Esempi in C++ (Cpp) per D3DUtil_SetViewMatrix

Esempio n. 1

File: Direct3D.cpp Progetto: jonathansiebert/3dgm

// Does a lot more that just a standard begin scene, this restores the surfaces,
// erases the backbuffer, points the camara etc.
HRESULT Direct3D::BeginScene(D3DVECTOR At, // Viewer position
							 D3DVECTOR To) // Look to position
{
	// Make sure the device pointer is valid
	if(0 == D3DDevice)
		return(E_FAIL);

	// Restore any lost surfaces
	if(DDERR_SURFACELOST == PrimarySurface->IsLost())
		PrimarySurface->Restore();
	if(DDERR_SURFACELOST == BackBuffer->IsLost())
		BackBuffer->Restore();
	if(DDERR_SURFACELOST == ZBuffer->IsLost())
		ZBuffer->Restore();
	D3DTextr_RestoreAllTextures(D3DDevice);

	static HRESULT Return;

	// Set up a view matrix
	static D3DMATRIX VM;
	D3DUtil_SetViewMatrix(VM, At, To, D3DVECTOR(0, 1, 0));
	// Apply the view matrix
	Return = D3DDevice->SetTransform(D3DTRANSFORMSTATE_VIEW, &VM);
	if(FAILED(Return))
		return Return;

	// Clear the viewport if freeform is off, or just clear the ZBuffer
	// and draw a copy of the GDI surface if it is on
	if(IsFreeForm)
	{
		// clear the z-buffer
		Return = D3DDevice->Clear(0,
							   	  0,
								  D3DCLEAR_ZBUFFER,
								  0,
								  1.0f,
								  0);
		if(FAILED(Return))
			return Return;

		// Copy the screenshot onto the backbuffer
		HDC hdc, xdc;
		BackBuffer->GetDC(&hdc);
		GDIScreenShot->GetDC(&xdc);

		StretchBlt(hdc,
				   0,
				   0,
				   GetSystemMetrics(SM_CXSCREEN),
				   GetSystemMetrics(SM_CYSCREEN),
				   xdc,
				   0,
				   0,
				   GetSystemMetrics(SM_CXSCREEN),
				   GetSystemMetrics(SM_CYSCREEN),
				   SRCCOPY);

		BackBuffer->ReleaseDC(hdc);
		GDIScreenShot->ReleaseDC(xdc);
	} // end if
	else
	{
		// Just clear the viewport
		Return = D3DDevice->Clear(0,
							   	  0,
								  D3DCLEAR_ZBUFFER |
								  D3DCLEAR_TARGET,
								  FogColor,
								  1.0f,
								  0);
		if(FAILED(Return))
			return Return;
	} // end else

	// Start the scene render
	Return = D3DDevice->BeginScene();
	if(FAILED(Return))
		return Return;

	// Return success
	return(D3D_OK);
} // end Direct3D::BeginScene

Esempio n. 2

File: SelectSrv.cpp Progetto: KaSt/LegendOfMir3_Src

VOID CSelectSrv::Draw3DBorder(RECT rcWnd,COLORREF dwColor,INT nAlpha)
{
	if ( g_xMainWnd.Get3DDevice() )
	{
		D3DVECTOR vTrans;
		D3DMATRIX matTrans;
		D3DMATRIX matScale;
		D3DMATRIX matWorld;
		D3DMATRIX matView;
		D3DMATRIX matProj;
		D3DMATRIX matWorldOriginal;
		D3DMATERIAL7 mtrl;
		if( SUCCEEDED(g_xMainWnd.Get3DDevice()->BeginScene()))
		{
			g_xMainWnd.Get3DDevice()->GetTransform(D3DTRANSFORMSTATE_WORLD, &matWorldOriginal);

			ZeroMemory(&matView, sizeof(D3DMATRIX));
		 	D3DVECTOR vEyePt    = D3DVECTOR(0, 0, -(float)((g_xMainWnd.m_rcWindow.bottom - g_xMainWnd.m_rcWindow.top)/2));
			D3DVECTOR vLookatPt = D3DVECTOR(0, 0, 0);
			D3DVECTOR vUpVec    = D3DVECTOR(0, 1, 0);

			D3DUtil_SetViewMatrix(matView, vEyePt, vLookatPt, vUpVec);		
			D3DUtil_SetProjectionMatrix(matProj, g_PI/2, float(240.0f/320.0f), -1.0f, 1.0f);

			g_xMainWnd.Get3DDevice()->SetTransform(D3DTRANSFORMSTATE_VIEW,       &matView);
			g_xMainWnd.Get3DDevice()->SetTransform(D3DTRANSFORMSTATE_PROJECTION, &matProj);

			vTrans.x = (FLOAT)rcWnd.left - 320.0f + (rcWnd.right  - rcWnd.left)/2;
			vTrans.y = (FLOAT)-rcWnd.top + 240.0f - (rcWnd.bottom - rcWnd.top )/2;
			vTrans.z = 0;

			D3DUtil_SetTranslateMatrix(matTrans, vTrans);
			D3DUtil_SetScaleMatrix(matScale, (FLOAT)(rcWnd.right - rcWnd.left), (FLOAT)(rcWnd.bottom - rcWnd.top), 0.0f);
			D3DMath_MatrixMultiply(matWorld, matScale, matTrans);
			g_xMainWnd.Get3DDevice()->SetTransform(D3DTRANSFORMSTATE_WORLD, &matWorld);

			// 임시
			D3DUtil_InitMaterial(mtrl, 
								 (FLOAT)GetRValue(dwColor)/255.0f,
								 (FLOAT)GetGValue(dwColor)/255.0f, 
								 (FLOAT)GetBValue(dwColor)/255.0f);
			mtrl.diffuse.a = nAlpha/255.0f;					// alpha value

			g_xMainWnd.Get3DDevice()->SetMaterial(&mtrl);

			g_xMainWnd.Get3DDevice()->SetRenderState( D3DRENDERSTATE_ALPHABLENDENABLE, TRUE );
			g_xMainWnd.Get3DDevice()->SetRenderState( D3DRENDERSTATE_COLORKEYENABLE, TRUE);
			g_xMainWnd.Get3DDevice()->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
			g_xMainWnd.Get3DDevice()->SetTextureStageState(0, D3DTSS_ALPHAOP,   D3DTOP_MODULATE);
			g_xMainWnd.Get3DDevice()->SetTextureStageState(0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);

			g_xMainWnd.Get3DDevice()->SetRenderState(D3DRENDERSTATE_SRCBLEND, D3DBLEND_ONE);
			g_xMainWnd.Get3DDevice()->SetRenderState(D3DRENDERSTATE_DESTBLEND, D3DBLEND_INVSRCALPHA);

			g_xMainWnd.Get3DDevice()->SetTexture(0, NULL);
			g_xMainWnd.Get3DDevice()->DrawPrimitive(D3DPT_TRIANGLESTRIP, D3DFVF_VERTEX, m_avBillBoard, 4, NULL);

			g_xMainWnd.Get3DDevice()->SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE, FALSE);
			g_xMainWnd.Get3DDevice()->SetRenderState(D3DRENDERSTATE_COLORKEYENABLE, FALSE);
			g_xMainWnd.Get3DDevice()->SetRenderState(D3DRENDERSTATE_SRCBLEND , D3DBLEND_ONE);
			g_xMainWnd.Get3DDevice()->SetRenderState(D3DRENDERSTATE_DESTBLEND, D3DBLEND_ZERO);
			g_xMainWnd.Get3DDevice()->SetTransform(D3DTRANSFORMSTATE_WORLD, &matWorldOriginal);

			g_xMainWnd.Get3DDevice()->EndScene();
		}
	}
}