Reset Device

//-----------------------------------------------------------------------------

// Name: CheckDeviceState

//-----------------------------------------------------------------------------

bool CheckDeviceState()
{
    HRESULT hResult;

    hResult = d3dDevice->TestCooperativeLevel();

    if(hResult == D3DERR_DEVICELOST) {
		return false;   
	}
    else if(hResult == D3DERR_DEVICENOTRESET) {
	    
		// Free all D3DPOOL_DEFAULT objects and fonts


		g_Font.Lost();
		mainCharacter.Lost();

		gameObjects.DeleteObject(CHARACTER, "Main" );
		
		// Reset Device


		ZeroMemory( &d3dpp, sizeof(d3dpp) );
		d3dpp.SwapEffect				= D3DSWAPEFFECT_DISCARD;
		d3dpp.BackBufferWidth			= XRESOLUTION;
		d3dpp.BackBufferHeight			= YRESOLUTION;
		d3dpp.EnableAutoDepthStencil	= TRUE;
		d3dpp.AutoDepthStencilFormat	= D3DFMT_D16;
		d3dpp.PresentationInterval		= D3DPRESENT_INTERVAL_IMMEDIATE;
		d3dpp.Windowed  = FALSE;
		d3dpp.BackBufferFormat = D3DFMT_A8R8G8B8;

		switch( d3dDevice->Reset(&d3dpp) ) 
		{
		case D3DERR_DRIVERINTERNALERROR:
			ERROR_MESSAGE( "Driver Internal Error" );
			break;
		case D3DERR_DEVICELOST:
			ERROR_MESSAGE( "Device Lost" );
			break;
		case D3DERR_INVALIDCALL:
			ERROR_MESSAGE( "Invalid Call" );
			break;
		case D3DERR_OUTOFVIDEOMEMORY:
			ERROR_MESSAGE( "Out Of Video Memory" );
			break;
		case E_OUTOFMEMORY:
			ERROR_MESSAGE( "Out Of Memory" );
			break;
		default:
			ERROR_MESSAGE( "Could not reset d3dDevice!" );
			break;
		}

		SetupMatrices();
	    InitDeviceState();

		g_Font.Reset();
	    mainCharacter.Reset();

		gameObjects.AddObject( mainCharacter );

		return true;
	}

	return true;
}