C++ (Cpp) C_BasePlayer::EyePositionAndVectors Examples

Example #1

File: tf_hud_distance_meter.cpp Project: zxz41/TF2Classic

void CDistanceMeter::Paint( void )
{
    int nShowDist = cl_showdist.GetInt();

    if ( !nShowDist )
        return;

    BaseClass::Paint();

    int vx, vy, vw, vh;
    vgui::surface()->GetFullscreenViewport( vx, vy, vw, vh );

    // Draw it to the left and above the center of the screen.
    int x = ( vw / 2 ) + 20;
    int y = ( vh / 2 ) - 20;

    // Calculate the distance from player's eyes to his aiming point.
    Vector vecSrc, vecDir, vecEnd;

    vecSrc = MainViewOrigin();
    vecDir = MainViewForward();

    C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();

    if ( nShowDist == 2 )
    {
        if ( pPlayer )
        {
            pPlayer->EyePositionAndVectors( &vecSrc, &vecDir, NULL, NULL );
        }
    }

    vecEnd = vecSrc + vecDir * MAX_TRACE_LENGTH;

    trace_t tr;
    UTIL_TraceLine( vecSrc, vecEnd, MASK_SOLID, pPlayer, COLLISION_GROUP_NONE, &tr );
    vecDir = tr.endpos - vecSrc;

    g_pMatSystemSurface->DrawColoredText( m_hFont, x, y, 255, 255, 255, 255, "%.02f", vecDir.Length() );
}

Example #2

File: c_prop_vehicle.cpp Project: WorldGamers/Mobile-Forces-Source

void C_PropVehicleDriveable::DrawHudElements( )
{
	CHudTexture *pIcon;
	int iIconX, iIconY;

	if (m_bHasGun)
	{
		// draw crosshairs for vehicle gun
		pIcon = gHUD.GetIcon( "gunhair" );

		if ( pIcon != NULL )
		{
			float x, y;

			if( UseVR() )
			{
				C_BasePlayer *pPlayer = (C_BasePlayer *)GetPassenger( VEHICLE_ROLE_DRIVER );
				Vector vecStart, vecDirection;
				pPlayer->EyePositionAndVectors( &vecStart, &vecDirection, NULL, NULL );
				Vector vecEnd = vecStart + vecDirection * MAX_TRACE_LENGTH;

				trace_t tr;
				UTIL_TraceLine( vecStart, vecEnd, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr );

				Vector screen;
				screen.Init();
				ScreenTransform(tr.endpos, screen);

				int vx, vy, vw, vh;
				vgui::surface()->GetFullscreenViewport( vx, vy, vw, vh );

				float screenWidth = vw;
				float screenHeight = vh;

				x = 0.5f * ( 1.0f + screen[0] ) * screenWidth + 0.5f;
				y = 0.5f * ( 1.0f - screen[1] ) * screenHeight + 0.5f;
			}
			else
			{
				Vector screen;

				x = ScreenWidth()/2;
				y = ScreenHeight()/2;

#if TRIANGULATED_CROSSHAIR
				ScreenTransform( m_vecGunCrosshair, screen );
				x += 0.5 * screen[0] * ScreenWidth() + 0.5;
				y -= 0.5 * screen[1] * ScreenHeight() + 0.5;
#endif
			}


			x -= pIcon->Width() / 2; 
			y -= pIcon->Height() / 2; 
			
			Color	clr = ( m_bUnableToFire ) ? gHUD.m_clrCaution : gHUD.m_clrNormal;
			pIcon->DrawSelf( x, y, clr );
		}

		if ( m_nScannerDisabledWeapons )
		{
			// Draw icons for scanners "weps disabled"  
			pIcon = gHUD.GetIcon( "dmg_bio" );
			if ( pIcon )
			{
				iIconY = 467 - pIcon->Height() / 2;
				iIconX = 385;
				if ( !m_bScannerWepIcon )
				{
					pIcon->DrawSelf( XRES(iIconX), YRES(iIconY), Color( 0, 0, 255, 255 ) );
					m_bScannerWepIcon = true;
					m_iScannerWepFlashTimer = 0;
					m_bScannerWepDim = true;
				}
				else
				{
					pIcon->DrawSelf( XRES(iIconX), YRES(iIconY), Color( 0, 0, GetFlashColorIntensity(55, 255, m_bScannerWepDim, 10, m_iScannerWepFlashTimer), 255 ) );
					m_iScannerWepFlashTimer++;
					m_iScannerWepFlashTimer %= 20;
					if(!m_iScannerWepFlashTimer)
						m_bScannerWepDim ^= 1;
				}
			}
		}
	}

	if ( m_nScannerDisabledVehicle )
	{
		// Draw icons for scanners "vehicle disabled"  
		pIcon = gHUD.GetIcon( "dmg_bio" );
		if ( pIcon )
		{
			iIconY = 467 - pIcon->Height() / 2;
			iIconX = 410;
			if ( !m_bScannerVehicleIcon )
			{
				pIcon->DrawSelf( XRES(iIconX), YRES(iIconY), Color( 0, 0, 255, 255 ) );
				m_bScannerVehicleIcon = true;
				m_iScannerVehicleFlashTimer = 0;
				m_bScannerVehicleDim = true;
			}
			else
			{
				pIcon->DrawSelf( XRES(iIconX), YRES(iIconY), Color( 0, 0, GetFlashColorIntensity(55, 255, m_bScannerVehicleDim, 10, m_iScannerVehicleFlashTimer), 255 ) );
				m_iScannerVehicleFlashTimer++;
				m_iScannerVehicleFlashTimer %= 20;
				if(!m_iScannerVehicleFlashTimer)
					m_bScannerVehicleDim ^= 1;
			}
		}
	}
}