SCR_2DOpticsDisplay.c

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void On2DOpticsADSChange(SCR_2DOpticsComponent comp, bool inADS);
typedef func On2DOpticsADSChange;
 
void On2DOpticsIlluminationChange(Color color, Color glowColor);
typedef func On2DOpticsIlluminationChange;
 
class SCR_2DOpticsDisplay : SCR_InfoDisplayExtended
{
    protected bool m_bActivated;
    protected SCR_2DOpticsComponent m_Optic;
 
    protected ResourceName m_sReticleTexture;
    protected ResourceName m_sReticleGlowTexture;
    protected ResourceName m_sFilterTexture;
 
    // Optics data
    protected float m_fOpticBaseFov;
    protected float m_fOpticCurrentFov;
    protected float m_fReticleSize;
    protected float m_fReticleAngularSize;
    protected float m_fReticlePortion;
    protected float m_fReticleBaseZoom;
    protected float m_fReticleOffsetX;
    protected float m_fReticleOffsetY;
    protected float m_fVignetteScale;
    protected float m_fVignetteSize;
    protected float m_fVignetteMoveSpeed;
    protected float m_fObjectiveFov;
    protected float m_fObjectiveScale;
    protected float m_fObjectiveSize;
    protected float m_fMisalignmentScale;
    protected float m_fMisalignmentDampingSpeed;
    protected float m_fRotationScale;
    protected float m_fRotationDampingSpeed;
    protected float m_fMovementScale;
    protected float m_fMovementDampingSpeed;
    protected float m_fRollScale;
    protected float m_fRollDampingSpeed;
    protected float m_fRollOffset;
 
    protected vector m_vMisalignmentOffset;
    protected vector m_vObjectiveOffset; // Objective and reticle offset
    protected vector m_vVignetteOffset; // Vignette SetReticleOffset
    protected vector m_vRotation;
    protected vector m_vRotationSpeed;
    protected vector m_vRotationOffset;
    protected vector m_vMovement;
    protected vector m_vMovementSpeed;
    protected vector m_vMovementOffset;
 
    protected bool m_bInitialBlurOver;
 
    // Default widget names
    const string WIDGET_LAYOUT_REAR = "HRearEyePiece";
    const string WIDGET_LAYOUT_FRONT = "HFrontObjective";
    const string WIDGET_IMAGE_COVER = "ImgCover";
 
    const string WIDGET_SIZE_REAR = "SizeRear";
    const string WIDGET_SIZE_OBJECTIVE = "SizeFrontObjective";
 
    const string WIDGET_IMAGE_PADDING_LEFT = "ImgPaddingLeft";
    const string WIDGET_IMAGE_PADDING_RIGHT = "ImgPaddingRight";
    const string WIDGET_IMAGE_PADDING_TOP = "ImgPaddingTop";
    const string WIDGET_IMAGE_PADDING_BOTTOM = "ImgPaddingBottom";
 
    const string WIDGET_OVERLAY_RETICLES = "OverlayReticles";
    const string WIDGET_IMAGE_RETICLE = "ImgReticle";
    const string WIDGET_IMAGE_RETICLE_GLOW = "ImgReticleGlow";
    const string WIDGET_IMAGE_VIGNETTE = "ImgVignette";
    const string WIDGET_IMAGE_SCRATCHES = "ImgScratches";
    const string WIDGET_BLUR = "Blur";
    const string WIDGET_IMAGE_FILTER = "ImgFilter";
 
    const string WIDGET_SIZE_LEFT = "SizePaddingLeft";
    const string WIDGET_SIZE_TOP = "SizePaddingTop";
 
    const float OPACITY_INITIAL = 0.75;
 
    protected Widget m_wLayoutRear;
    protected Widget m_wLayoutFront;
    protected ImageWidget m_wImgCover;
    protected ImageWidget m_wImgScratches;
 
    protected Widget m_wOverlayReticles;
    protected ImageWidget m_wImgReticle;
    protected ImageWidget m_wImgReticleGlow;
    protected BlurWidget m_wBlur;
    protected ImageWidget m_wImgFilter;
 
    protected SizeLayoutWidget m_wRearFillLeft;
    protected SizeLayoutWidget m_wRearFillTop;
    protected SizeLayoutWidget m_wFrontFillLeft;
    protected SizeLayoutWidget m_wFrontFillTop;
 
    protected SizeLayoutWidget m_wSizeLayoutRear;
    protected SizeLayoutWidget m_wSizeLayoutObjective;
 
    //------------------------------------------------------------------------------------------------
    protected void OnLayoutChanged(SCR_HUDLayout newLayout, SCR_HUDLayout oldLayout, SCR_HUDManagerComponent hudManager)
    {
        if (!m_bActivated)
            DeactivateWidget();
    }
 
    //------------------------------------------------------------------------------------------------
    protected override void DisplayStartDraw(IEntity owner)
    {
        if (!m_wRoot)
            return;
 
        m_wRoot.SetVisible(false);
 
        FindWidgets();
 
        SCR_2DOpticsComponent.s_On2DOpticADSChanged.Insert(OnADSChange);
 
        SCR_HUDManagerLayoutHandler layoutHandler = SCR_HUDManagerLayoutHandler.Cast(m_HUDManager.FindHandler(SCR_HUDManagerLayoutHandler));
        if (layoutHandler)
            layoutHandler.GetOnLayoutChange().Insert(OnLayoutChanged);
 
#ifdef ENABLE_DIAG
        if (!s_bOpticDiagRegistered)
        {
            DiagMenu.RegisterBool(SCR_DebugMenuID.DEBUGUI_WEAPONS_OPTICS_USE_2D, "", "Toggle 2D optics", "Weapons");
            DiagMenu.RegisterBool(SCR_DebugMenuID.DEBUGUI_WEAPONS_OPTICS, "", "Show optics diag", "Weapons");
            s_bOpticDiagRegistered = true;
        }
#endif
    }
 
    //------------------------------------------------------------------------------------------------
    protected override void DisplayStopDraw(IEntity owner)
    {
        SCR_2DOpticsComponent.s_On2DOpticADSChanged.Remove(OnADSChange);
 
        if (!m_Optic)
            return;
 
        m_Optic.OnSetupOpticImage().Remove(SetupOpticImage);
        m_Optic.OnIlluminationChange().Remove(ChangeReticleTint);
    }
 
    //------------------------------------------------------------------------------------------------
    protected override void DisplayUpdate(IEntity owner, float timeSlice)
    {
#ifdef ENABLE_DIAG
        if (s_bToggle2DOptics != DiagMenu.GetBool(SCR_DebugMenuID.DEBUGUI_WEAPONS_OPTICS_USE_2D))
        {
            s_bToggle2DOptics = !s_bToggle2DOptics;
            SetScope2DEnabled(!SCR_Global.IsScope2DEnabled());
        }
 
        if (DiagMenu.GetBool(SCR_DebugMenuID.DEBUGUI_WEAPONS_OPTICS))
            DebugOptics();
#endif
 
        if (!m_Optic)
            return;
 
        if (!m_bInADS && !SCR_BinocularsComponent.IsZoomedView() && !m_Optic.GetIsZoomed())
            return;
 
        // Widget check
        if (!m_wLayoutRear || !m_wLayoutFront)
            return;
 
        UpdateCurrentFov();
 
        MoveScopeWidgets(timeSlice);
        LowerBlurIntensity(timeSlice, m_Optic.GetAnimationSpeedBlur());
 
        m_fReticleOffsetX = m_Optic.GetReticleOffsetX();
        m_fReticleOffsetY = m_Optic.GetCurrentReticleOffsetY();
        SetReticleOffset(m_fReticleOffsetX, m_fReticleOffsetY);
    }
 
    //------------------------------------------------------------------------------------------------
    protected void FindWidgets()
    {
        // Parts
        m_wLayoutRear = m_wRoot.FindAnyWidget(WIDGET_LAYOUT_REAR);
        m_wLayoutFront = m_wRoot.FindAnyWidget(WIDGET_LAYOUT_FRONT);
        m_wImgCover = ImageWidget.Cast(m_wRoot.FindAnyWidget(WIDGET_IMAGE_COVER));
        m_wImgScratches = ImageWidget.Cast(m_wRoot.FindAnyWidget(WIDGET_IMAGE_SCRATCHES));
 
        if (!m_wLayoutRear || !m_wLayoutFront)
        {
            Print("Scope vignette movement is not possible due to missing widget references!", LogLevel.WARNING);
            return;
        }
 
        // Rear part - eye piece
        m_wSizeLayoutRear = SizeLayoutWidget.Cast(m_wLayoutRear.FindAnyWidget(WIDGET_SIZE_REAR));
        m_wRearFillLeft = SizeLayoutWidget.Cast(m_wLayoutRear.FindAnyWidget(WIDGET_SIZE_LEFT));
        m_wRearFillTop = SizeLayoutWidget.Cast(m_wLayoutRear.FindAnyWidget(WIDGET_SIZE_TOP));
 
        // Front part - objective
        m_wSizeLayoutObjective = SizeLayoutWidget.Cast(m_wLayoutFront.FindAnyWidget(WIDGET_SIZE_OBJECTIVE));
        m_wFrontFillLeft = SizeLayoutWidget.Cast(m_wLayoutFront.FindAnyWidget(WIDGET_SIZE_LEFT));
        m_wFrontFillTop = SizeLayoutWidget.Cast(m_wLayoutFront.FindAnyWidget(WIDGET_SIZE_TOP));
 
        m_wOverlayReticles = m_wLayoutFront.FindAnyWidget(WIDGET_OVERLAY_RETICLES);
        m_wImgReticle = ImageWidget.Cast(m_wLayoutFront.FindAnyWidget(WIDGET_IMAGE_RETICLE));
        m_wImgReticleGlow = ImageWidget.Cast(m_wLayoutFront.FindAnyWidget(WIDGET_IMAGE_RETICLE_GLOW));
        m_wBlur = BlurWidget.Cast(m_wRoot.FindAnyWidget(WIDGET_BLUR));
        m_wImgFilter = ImageWidget.Cast(m_wLayoutFront.FindAnyWidget(WIDGET_IMAGE_FILTER));
    }
 
    //------------------------------------------------------------------------------------------------
    void SetupOpticImage()
    {
        // Setup reticle
        if (!m_sReticleTexture.IsEmpty())
            m_wImgReticle.LoadImageTexture(0, m_sReticleTexture);
 
        m_wImgReticleGlow.SetVisible(!m_sReticleTexture.IsEmpty());
 
        if (!m_sReticleGlowTexture.IsEmpty())
            m_wImgReticleGlow.LoadImageTexture(0, m_sReticleGlowTexture);
 
        m_wImgReticleGlow.SetVisible(!m_sReticleGlowTexture.IsEmpty());
 
        // Setup lens filter
        if (!m_sFilterTexture.IsEmpty())
            m_wImgFilter.LoadImageTexture(0, m_sFilterTexture);
 
        m_wImgFilter.SetVisible(!m_sFilterTexture.IsEmpty());
 
        UpdateCurrentFov(true);
    }
 
    //------------------------------------------------------------------------------------------------
    void UpdateCurrentFov(bool forceUpdate = false)
    {
        float fov;
        if (m_Optic)
        {
            // for binoculars getFOV is wrong
            SCR_FixedFOVInfo fixedFOVInfo = SCR_FixedFOVInfo.Cast(m_Optic.GetFOVInfo());
            if (fixedFOVInfo)
                fov = m_Optic.GetFovZoomed();
            else
                fov = m_Optic.GetFOV();
        }
        else
        {
            CameraBase camera = GetGame().GetCameraManager().CurrentCamera();
            if (camera)
                fov = camera.GetVerticalFOV();
        }
 
        if (!float.AlmostEqual(m_fOpticCurrentFov, fov))
            m_fOpticCurrentFov = fov;
        else if (!forceUpdate)
            return;
 
        UpdateReticleSize();
    }
 
    //------------------------------------------------------------------------------------------------
    void UpdateReticleSize()
    {
        // Compute reticle base FOV once
        if (m_fReticleBaseZoom > 0)
            m_fReticleBaseZoom = -m_Optic.CalculateZoomFOV(m_fReticleBaseZoom);
 
        float fovReticle;
        if (m_fReticleBaseZoom == 0)
            fovReticle = m_fOpticCurrentFov;
        else
            fovReticle = -m_fReticleBaseZoom;
 
        // Account for part that represents the measurable reticle
        float reticleAngularSize;
        if (m_fReticlePortion > 0)
            reticleAngularSize = m_fReticleAngularSize / m_fReticlePortion;
 
        if (fovReticle > 0)
            m_fReticleSize = reticleAngularSize / fovReticle;
        else if (m_fOpticBaseFov > 0)
            m_fReticleSize = reticleAngularSize / m_fOpticBaseFov;
 
        UpdateScale(1, 1, 1);
    }
 
    //------------------------------------------------------------------------------------------------
    protected void OnADSChange(notnull SCR_2DOpticsComponent comp, bool inADS)
    {
        if (m_Optic != comp)
        {
            // Clear previous optic invokers as well
            if (m_Optic)
            {
                m_Optic.OnSetupOpticImage().Remove(SetupOpticImage);
                m_Optic.OnIlluminationChange().Remove(ChangeReticleTint);
            }
 
            m_Optic = comp;
 
            GetOpticData();
        }
 
        if (inADS)
        {
            m_Optic.OnSetupOpticImage().Insert(SetupOpticImage);
            m_Optic.OnIlluminationChange().Insert(ChangeReticleTint);
        }
        else
        {
            m_Optic.OnSetupOpticImage().Remove(SetupOpticImage);
            m_Optic.OnIlluminationChange().Remove(ChangeReticleTint);
            Deactivate();
            return;
        }
 
        m_wRoot.SetZOrder(-1);
        m_wRoot.SetVisible(false);
 
        m_bInitialBlurOver = false;
 
        m_vMisalignmentOffset = vector.Zero;
 
        m_Optic.GetRotation(m_vRotation, 1);
        m_vRotationSpeed = vector.Zero;
        m_vRotationOffset = vector.Zero;
 
        m_Optic.GetMovement(m_vMovement, 1);
 
        m_vMovementSpeed = vector.Zero;
        m_vMovementOffset = vector.Zero;
 
        SetupOpticImage();
 
        Activate();
    }
 
    //------------------------------------------------------------------------------------------------
    protected void Activate()
    {
        // Prevent calnceling animation
        AnimateWidget.StopAnimation(m_wRoot, WidgetAnimationOpacity);
        GetGame().GetCallqueue().Remove(DeactivateWidget);
 
        // Activate and setup hud
        m_wRoot.SetVisible(true);
        m_wImgCover.SetVisible(false);
        m_wRoot.SetOpacity(0);
 
        // Blur
        m_wBlur.SetIntensity(OPACITY_INITIAL);
        m_wBlur.SetOpacity(1);
        
        m_bActivated = true;
 
        //Play fadeIn animation after given delay
        GetGame().GetCallqueue().CallLater(PlayEntryAnimation, m_Optic.GetAnimationActivationDelay(), false, m_Optic.GetAnimationEnterTime());
    }
 
    //------------------------------------------------------------------------------------------------
    protected void Deactivate()
    {
        m_bActivated = false;
        
        // Prevent entering animation
        AnimateWidget.StopAnimation(m_wRoot, WidgetAnimationOpacity);
        GetGame().GetCallqueue().Remove(PlayEntryAnimation);
 
        //Deactivate the HUD after set delay
        if (m_Optic)
            GetGame().GetCallqueue().CallLater(DeactivateWidget, m_Optic.GetAnimationDeactivationDelay(), false);
    }
 
    //------------------------------------------------------------------------------------------------
    protected void PlayEntryAnimation(float animationSpeed)
    {
        if (animationSpeed > 0)
            AnimateWidget.Opacity(m_wRoot, 1, animationSpeed);
        else
            m_wRoot.SetOpacity(1);
    }
 
    //------------------------------------------------------------------------------------------------
    protected void DeactivateWidget()
    {
        if (m_wImgCover)
            m_wImgCover.SetOpacity(0);
 
        if (m_wRoot)
            m_wRoot.SetVisible(false);
    }
 
    //------------------------------------------------------------------------------------------------
    void GetOpticData()
    {
        m_Optic.GetReticleTextures(m_sReticleTexture, m_sReticleGlowTexture, m_sFilterTexture);
        m_Optic.GetReticleData(m_fReticleAngularSize, m_fReticlePortion, m_fReticleBaseZoom);
        m_fOpticBaseFov = m_Optic.GetFovZoomed();
        m_fObjectiveFov = m_Optic.GetObjectiveFov();
        m_fObjectiveScale = m_Optic.GetObjectiveScale();
        m_fVignetteScale = m_Optic.GetVignetteScale();
        m_fVignetteMoveSpeed = m_Optic.GetVignetteMoveSpeed();
        m_fMisalignmentScale = m_Optic.GetMisalignmentScale();
        m_fMisalignmentDampingSpeed = m_Optic.GetMisalignmentDampingSpeed();
        m_fRotationScale = m_Optic.GetRotationScale();
        m_fRotationDampingSpeed = m_Optic.GetRotationDampingSpeed();
        m_fMovementScale = m_Optic.GetMovementScale();
        m_fMovementDampingSpeed = m_Optic.GetMovementDampingSpeed();
        m_fRollScale = m_Optic.GetRollScale();
        m_fRollDampingSpeed = m_Optic.GetRollDampingSpeed();
 
#ifdef ENABLE_DIAG
        s_bDebugOpticsReset = true;
#endif
    }
 
    //------------------------------------------------------------------------------------------------
    void UpdateScale(float reticleScale, float vignetteScale, float objectiveScale)
    {
        float uiScale = 1;
        WorkspaceWidget workspace = GetGame().GetWorkspace();
        if (workspace)
            uiScale = workspace.DPIUnscale(workspace.GetHeight());
 
        // Reticle size setup
        if (m_wOverlayReticles)
        {
            float reticleSize = m_fReticleSize * uiScale * reticleScale;
            FrameSlot.SetSize(m_wOverlayReticles, reticleSize, reticleSize);
        }
 
        // Vignette size setup
        if (m_wSizeLayoutRear)
        {
            m_fVignetteSize = m_fObjectiveFov * m_fVignetteScale * uiScale * vignetteScale / m_fOpticBaseFov;
 
            m_wSizeLayoutRear.SetWidthOverride(m_fVignetteSize);
            m_wSizeLayoutRear.SetHeightOverride(m_fVignetteSize);
        }
 
        // Ocular size setup
        if (m_wSizeLayoutObjective)
        {
            m_fObjectiveSize = m_fObjectiveFov * m_fObjectiveScale * uiScale * objectiveScale / m_fOpticBaseFov;
 
            m_wSizeLayoutObjective.SetWidthOverride(m_fObjectiveSize);
            m_wSizeLayoutObjective.SetHeightOverride(m_fObjectiveSize);
        }
    }
 
    //------------------------------------------------------------------------------------------------
    void SetReticleOffset(float x, float y)
    {
        if (!m_wOverlayReticles)
            return;
 
        WorkspaceWidget workspace = GetGame().GetWorkspace();
        if (!workspace)
            return;
 
        float fov = m_fOpticBaseFov;
        CameraManager cameraManager = GetGame().GetCameraManager();
        if (cameraManager)
        {
            CameraBase camera = cameraManager.CurrentCamera();
            if (camera)
                fov = camera.GetVerticalFOV();
        }
 
        float uiHeight = workspace.DPIUnscale(workspace.GetHeight());
        float offsetX = x * uiHeight / fov;
        float offsetY = y * uiHeight / fov;
 
        FrameSlot.SetPos(m_wOverlayReticles, offsetX, offsetY);
 
        vector size = FrameSlot.GetSize(m_wOverlayReticles);
        if (m_wImgReticle)
        {
            float pivotX = 0.5 - (offsetX / size[0]);
            float pivotY = 0.5 - (offsetY / size[1]);
            m_wImgReticle.SetPivot(pivotX, pivotY);
        }
 
        if (m_wImgReticleGlow)
        {
            float pivotX = 0.5 - (offsetX / size[0]);
            float pivotY = 0.5 - (offsetY / size[1]);
            m_wImgReticleGlow.SetPivot(pivotX, pivotY);
        }
    }
 
    //------------------------------------------------------------------------------------------------
    protected void LowerBlurIntensity(float timeSlice, float speed)
    {
        if (!m_wBlur)
            return;
 
        float intensity = m_wBlur.GetIntensity();
        intensity = Math.Lerp(intensity, 0, timeSlice * speed);
 
        // Clear initial bluer
        if (intensity < 0.1 && !m_bInitialBlurOver)
        {
            m_bInitialBlurOver = true;
            intensity = 0;
        }
 
        m_wBlur.SetIntensity(intensity);
    }
 
    //------------------------------------------------------------------------------------------------
    protected void ChangeReticleTint(Color color, Color colorGlow)
    {
        if (m_wImgReticleGlow)
            m_wImgReticleGlow.SetColor(colorGlow);
 
        if (m_wImgReticle)
            m_wImgReticle.SetColor(color);
    }
 
    //------------------------------------------------------------------------------------------------
    protected void MoveScopeWidgets(float timeSlice)
    {
        // Only valid if there is main camera
        CameraManager cameraManager = GetGame().GetCameraManager();
        if (!cameraManager)
            return;
 
        CameraBase camera = cameraManager.CurrentCamera();
        if (!camera)
            return;
 
        // Only positive FOV allowed
        float fov = camera.GetVerticalFOV();
        if (fov <= 0)
            return;
 
        // Update vignette and reticle direction and roll
        vector misalignment = m_Optic.GetMisalignmentAngles(camera);
 
        // Stabilize roll
        float roll = misalignment[2] * m_fRollScale;
        if (m_fRollDampingSpeed > 0)
        {
            float rollSmooth = Math.Min(1, timeSlice * m_fRollDampingSpeed);
            m_fRollOffset = Math.Lerp(m_fRollOffset, roll, rollSmooth);
            roll -= m_fRollOffset;
        }
 
        // Stabilize binocular reticle over time
        if (m_fMisalignmentDampingSpeed > 0)
        {
            float offsetDamping = Math.Min(timeSlice * m_fMisalignmentDampingSpeed, 1);
            m_vMisalignmentOffset = vector.Lerp(m_vMisalignmentOffset, misalignment, offsetDamping);
            misalignment = misalignment - m_vMisalignmentOffset;
        }
 
        // Stabilize rotation speed over time
        vector rotation = m_Optic.GetRotation(m_vRotation, timeSlice);
        if (m_fRotationDampingSpeed > 0)
        {
            float rotationDamping = Math.Min(timeSlice * m_fRotationDampingSpeed, 1);
            m_vRotationOffset = vector.Lerp(m_vRotationOffset, rotation, rotationDamping);
            rotation = rotation - m_vRotationOffset;
        }
 
        // Movement is also stabilizable
        vector movement = m_Optic.GetMovement(m_vMovement, timeSlice);
        if (m_fMovementDampingSpeed > 0)
        {
            float movementDamping = Math.Min(timeSlice * m_fMovementDampingSpeed, 1);
            m_vMovementOffset = vector.Lerp(m_vMovementOffset, movement, movementDamping);
            movement = movement - m_vMovementOffset;
        }
 
        // Make sure lerp doesn't go out of bounds
        float vignetteMove = Math.Min(timeSlice * m_fVignetteMoveSpeed, 1);
 
        m_vVignetteOffset = vector.Lerp(m_vVignetteOffset, m_fMisalignmentScale * misalignment, vignetteMove);
 
        // Objective must be set instantly
        m_vObjectiveOffset = m_fMisalignmentScale * misalignment;
 
        if (m_fRotationScale > 0)
            m_vVignetteOffset = m_vVignetteOffset - rotation * m_fRotationScale;
 
        if (m_fMovementScale > 0)
            m_vVignetteOffset = m_vVignetteOffset + movement * m_fMovementScale;
 
        WorkspaceWidget workspace = GetGame().GetWorkspace();
 
        float screenW, screenH;
        workspace.GetScreenSize(screenW, screenH);
        screenW = workspace.DPIUnscale(screenW);
        screenH = workspace.DPIUnscale(screenH);
 
        float pixelsPerDegree = screenH / fov;
 
        // Vignette movement
        float defaultRearLeft = VignetteDefaultPosition(screenW, m_fVignetteSize);
        float defaultRearTop = VignetteDefaultPosition(screenH, m_fVignetteSize);
 
        float rearPaddingLeft = defaultRearLeft + pixelsPerDegree * m_vVignetteOffset[0];
        float rearPaddingTop = defaultRearTop - pixelsPerDegree * m_vVignetteOffset[1];
 
        m_wRearFillLeft.SetWidthOverride(rearPaddingLeft);
        m_wRearFillTop.SetHeightOverride(rearPaddingTop);
 
        // Objective and reticle movement
        float defaultFrontLeft = VignetteDefaultPosition(screenW, m_fObjectiveSize);
        float defaultFrontTop = VignetteDefaultPosition(screenH, m_fObjectiveSize);
 
        float frontPaddingLeft = defaultFrontLeft + pixelsPerDegree * m_vObjectiveOffset[0];
        float frontPaddingTop = defaultFrontTop - pixelsPerDegree * m_vObjectiveOffset[1];
 
        m_wFrontFillLeft.SetWidthOverride(frontPaddingLeft);
        m_wFrontFillTop.SetHeightOverride(frontPaddingTop);
 
        // Reticle rotation
        if (m_wImgReticle)
            m_wImgReticle.SetRotation(roll);
 
        if (m_wImgReticleGlow)
            m_wImgReticleGlow.SetRotation(roll);
 
        if (m_wImgFilter)
            m_wImgFilter.SetRotation(roll);
 
        if (m_wImgCover)
            m_wImgCover.SetRotation(roll);
 
        if (m_wImgScratches)
            m_wImgScratches.SetRotation(roll + m_Optic.GetScratchesRoll());
 
        // Motion offset blur
        if (m_bInitialBlurOver)
            MotionBlur(m_vVignetteOffset[0], m_vVignetteOffset[1]);
    }
 
    //------------------------------------------------------------------------------------------------
    protected void MotionBlur(float posX, float posY)
    {
        if (!m_wBlur)
            return;
 
        // Check movement
        if (!m_Optic.GetIsMoving() || !m_Optic.GetIsRotating())
            return;
 
        // Pick axis
        float intensity = Math.AbsFloat(posX);
        if (intensity > Math.AbsFloat(posY))
            intensity = Math.AbsFloat(posY);
 
        // Scale and limit
        intensity = intensity * m_Optic.GetMotionBlurScale();
        if (intensity > m_Optic.GetMotionBlurMax())
            intensity = m_Optic.GetMotionBlurMax();
 
        m_wBlur.SetIntensity(intensity);
    }
 
    //------------------------------------------------------------------------------------------------
    protected float VignetteDefaultPosition(float screenSize, float vignetteSize)
    {
        float defaultPos = (screenSize - vignetteSize) * 0.5;
        if (defaultPos < 0)
            defaultPos = 0;
        return defaultPos;
    }
 
#ifdef ENABLE_DIAG
    protected static bool s_bOpticDiagRegistered;
    protected static bool s_bToggle2DOptics;
    protected static bool s_bDebugOptics;
    protected static bool s_bDebugOpticsReset;
    protected static bool s_bDebug2DOptics;
    protected static bool s_bDebug2DOpticsReset;
    protected static bool s_bDebugDrawReset;
    protected static bool s_bDebugDrawCross = true;
    protected static bool s_bDebugDrawNotches = true;
    protected static bool s_bDebugDrawFieldOfView = true;
    protected static bool s_bDebugDrawRandomColors;
 
    protected static SCR_EOpticsAngleUnits s_eCrossUnit = SCR_EOpticsAngleUnits.RETICLE;
    protected static float s_fCrossUnit = 0.05625;
    protected static float s_fCrossRadius = 100;
 
    protected static SCR_EOpticsAngleUnits s_eNotchesUnit = SCR_EOpticsAngleUnits.RETICLE;
    protected static float s_fNotchesUnit = 0.05625;
    protected static float s_fNotchesSize = 100;
    protected static float s_fNotchesSmallLength = 5;
    protected static float s_fNotchesSmallSpacing = 5;
    protected static float s_fNotchesLargeLength = 10;
    protected static float s_fNotchesLargeSpacing = 10;
 
    protected static SCR_EOpticsAngleUnits s_eFieldOfViewUnit = SCR_EOpticsAngleUnits.OBJECTIVE;
    protected static float s_fFieldOfViewUnit = 0.05625;
    protected static float s_fFieldOfViewAngle = 100;
 
    protected static ref array<int> s_aRandomColors = {COLOR_BLUE, COLOR_RED, COLOR_GREEN, COLOR_YELLOW};
    protected static int s_iLineColor;
 
    //------------------------------------------------------------------------------------------------
    protected void InputFloatClamped(inout float value, string label, float min, float max, int pxWidth = 100)
    {
        DbgUI.InputFloat(label, value, pxWidth);
        value = Math.Clamp(value, min, max);
    }
 
    //------------------------------------------------------------------------------------------------
    void DebugOptics()
    {
        if (s_bDebugOpticsReset)
        {
            s_bDebugOpticsReset = false;
 
            if (!SCR_Global.IsScope2DEnabled())
            {
                SetScope2DEnabled(true);
                s_bToggle2DOptics = !DiagMenu.GetBool(SCR_DebugMenuID.DEBUGUI_WEAPONS_OPTICS_USE_2D);
            }
 
            return;
        }
 
        if (s_bDebugDrawReset)
        {
            s_bDebugDrawReset = false;
            s_bDebugDrawCross = true;
            s_bDebugDrawNotches = true;
            s_bDebugDrawFieldOfView = true;
            s_bDebugDrawRandomColors = false;
 
            s_eCrossUnit = SCR_EOpticsAngleUnits.RETICLE;
            s_fCrossUnit = 0.05625;
            s_fCrossRadius = 100;
 
            s_eNotchesUnit = SCR_EOpticsAngleUnits.RETICLE;
            s_fNotchesUnit = 0.05625;
            s_fNotchesSize = 100;
            s_fNotchesSmallLength = 5;
            s_fNotchesSmallSpacing = 5;
            s_fNotchesLargeLength = 10;
            s_fNotchesLargeSpacing = 10;
 
            s_eFieldOfViewUnit = SCR_EOpticsAngleUnits.OBJECTIVE;
            s_fFieldOfViewUnit = 0.05625;
            s_fFieldOfViewAngle = 100;
 
            return;
        }
 
        vector sightMat[4];
 
        if (m_Optic)
        {
            m_Optic.GetSightsTransform(sightMat, true);
            sightMat[3] = m_Optic.GetSightsFrontPosition(true);
            vector ownerMat[4];
            m_Optic.GetOwner().GetWorldTransform(ownerMat);
            Math3D.MatrixMultiply4(ownerMat, sightMat, sightMat);
        }
 
        // In case of binoculars, side and up vector is expected to match camera
        CameraBase camera = GetGame().GetCameraManager().CurrentCamera();
        if (camera && m_fRollDampingSpeed != 0)
        {
            vector cameraMat[4];
            camera.GetTransform(cameraMat);
            sightMat[0] = cameraMat[0];
            sightMat[1] = cameraMat[1];
        }
 
        DbgUI.Begin("Optics", 100, 300);
 
        array<string> units = {};
        SCR_Enum.GetEnumNames(SCR_EOpticsAngleUnits, units);
 
        {
            DbgUI.Text("________________________________________");
            DbgUI.Check("OPTICS                           ", s_bDebugOptics);
        }
 
        // Basic reticle and objective FOV settings
        if (s_bDebugOptics)
        {
            {
                InputFloatClamped(m_fObjectiveFov,              "m_fObjectiveFov           deg", 0, 100);
                InputFloatClamped(m_fObjectiveScale,                "m_fObjectiveScale           %", 0, 100);
                InputFloatClamped(m_fReticleBaseZoom,               "m_fReticleBaseZoom          x", -60, 200);
                InputFloatClamped(m_fReticleAngularSize,            "m_fReticleAngularSize     deg", 0, 100);
                InputFloatClamped(m_fReticlePortion,                "m_fReticlePortion           %", 0, 100);
                InputFloatClamped(m_fReticleOffsetX,                "m_fReticleOffsetX         deg", -90, 90);
                InputFloatClamped(m_fReticleOffsetY,                "m_fReticleOffsetY         deg", -90, 90);
            }
 
            if (m_Optic && DbgUI.Button("LOAD OPTICS ATTRIBUTES"))
                GetOpticData();
 
            if (m_Optic && DbgUI.Button("SAVE OPTICS ATTRIBUTES"))
            {
                m_Optic.SetObjectiveFov(m_fObjectiveFov);
                m_Optic.SetObjectiveScale(m_fObjectiveScale);
                m_Optic.SetReticleBaseZoom(m_fReticleBaseZoom);
                m_Optic.SetReticleAngularSize(m_fReticleAngularSize);
                m_Optic.SetReticlePortion(m_fReticlePortion);
                m_Optic.SetReticleOffsetX(m_fReticleOffsetX);
                m_Optic.SetReticleOffsetY(m_fReticleOffsetY);
            }
        }
 
        {
            DbgUI.Text("________________________________________");
            DbgUI.Check("2D OPTICS                        ", s_bDebug2DOptics);
        }
 
        // 2D optics features attributes
        if (s_bDebug2DOptics)
        {
            {
                InputFloatClamped(m_fVignetteScale,                 "m_fVignetteScale             ", 0, 100);
                InputFloatClamped(m_fVignetteMoveSpeed,             "m_fVignetteMoveSpeed         ", -100, 100);
                InputFloatClamped(m_fMisalignmentScale,         "m_fMisalignmentScale         ", -100, 100);
                InputFloatClamped(m_fMisalignmentDampingSpeed,      "m_fMisalignmentDampingSpeed  ", -100, 100);
                InputFloatClamped(m_fRotationScale,             "m_fRotationScale             ", -100, 100);
                InputFloatClamped(m_fRotationDampingSpeed,          "m_fRotationDampingSpeed      ", -100, 100);
                InputFloatClamped(m_fMovementScale,             "m_fMovementScale             ", -100, 100);
                InputFloatClamped(m_fMovementDampingSpeed,          "m_fMovementDampingSpeed      ", -100, 100);
                InputFloatClamped(m_fRollScale,                 "m_fRollScale                 ", -100, 100);
                InputFloatClamped(m_fRollDampingSpeed,              "m_fRollDampingSpeed          ", -100, 100);
            }
        }
 
        // Debug settings
        {
            DbgUI.Text("________________________________________");
 
            if (DbgUI.Button("RESET DEBUG ATTRIBUTES"))
                s_bDebugDrawReset = true;
 
            DbgUI.Check("RANDOM LINE COLORS               ", s_bDebugDrawRandomColors);
 
            if (s_bDebugDrawRandomColors)
                s_iLineColor = s_aRandomColors.GetRandomElement();
            else
                s_iLineColor = COLOR_RED;
 
            DbgUI.Text(" ");
        }
 
        {
            DbgUI.Text("________________________________________");
            DbgUI.Check("CROSS                            ", s_bDebugDrawCross);
        }
 
        // Draw basic crosshair matching reticle size
        if (s_bDebugDrawCross)
        {
            {
                DbgUI.Combo("Cross units              ", s_eCrossUnit, units);
                if (s_eCrossUnit == SCR_EOpticsAngleUnits.CUSTOM)
                    InputFloatClamped(s_fCrossUnit,             "Custom cross unit         deg", 0, 180);
 
                InputFloatClamped(s_fCrossRadius,       "Cross radius                 ", 0, 1000);
            }
 
            float unit = DebugAngleUnitsToDegrees(s_eCrossUnit, s_fCrossUnit);
 
            DebugDrawCross(sightMat, s_fCrossRadius * unit);
        }
 
        {
            DbgUI.Text("________________________________________");
            DbgUI.Check("NOTCHES                          ", s_bDebugDrawNotches);
        }
 
        // Draw notches for the angle measurement across reticle
        if (s_bDebugDrawNotches)
        {
            {
                DbgUI.Combo("Notches units            ", s_eNotchesUnit, units);
                if (s_eNotchesUnit == SCR_EOpticsAngleUnits.CUSTOM)
                    InputFloatClamped(s_fNotchesUnit,               "Custom notches unit       deg", 0, 180);
 
                InputFloatClamped(s_fNotchesSize,               "Size                         ", 0, 100);
                InputFloatClamped(s_fNotchesSmallLength,        "Small length                 ", 0, 100);
                InputFloatClamped(s_fNotchesSmallSpacing,       "Small spacing                ", 0, 100);
                InputFloatClamped(s_fNotchesLargeLength,        "Large length                 ", 0, 100);
                InputFloatClamped(s_fNotchesLargeSpacing,       "Large spacing                ", 0, 100);
            }
 
            float unit = DebugAngleUnitsToDegrees(s_eNotchesUnit, s_fNotchesUnit);
            DebugDrawNotches(sightMat, s_fNotchesSmallLength * unit, s_fNotchesSmallSpacing * unit, s_fNotchesSize * unit * 0.5);
            DebugDrawNotches(sightMat, s_fNotchesLargeLength * unit, s_fNotchesLargeSpacing * unit, s_fNotchesSize * unit * 0.5);
        }
 
        {
            DbgUI.Text("________________________________________");
            DbgUI.Check("FIELD OF VIEW                    ", s_bDebugDrawFieldOfView);
        }
 
        // Draw basic circle and frame
        if (s_bDebugDrawFieldOfView)
        {
            {
                DbgUI.Combo("Field of view units      ", s_eFieldOfViewUnit, units);
                if (s_eFieldOfViewUnit == SCR_EOpticsAngleUnits.CUSTOM)
                    InputFloatClamped(s_fFieldOfViewUnit,               "Custom field of view unit deg", 0, 180);
 
                InputFloatClamped(s_fFieldOfViewAngle, "Field of view angle          ", 0, 1000);
            }
 
            float unit = DebugAngleUnitsToDegrees(s_eFieldOfViewUnit, s_fFieldOfViewUnit);
 
            DebugDrawFieldOfView(sightMat, s_fFieldOfViewAngle * unit);
        }
 
        DbgUI.End();
 
        if (m_Optic && s_bDebugOptics)
            UpdateCurrentFov(true);
 
        if (m_Optic && s_bDebug2DOptics)
            UpdateScale(1, 1, 1);
    }
 
    //------------------------------------------------------------------------------------------------
    protected float DebugAngleUnitsToDegrees(SCR_EOpticsAngleUnits unit, float custom = 0)
    {
        if (unit == SCR_EOpticsAngleUnits.DEGREES)
            return 1;
 
        if (unit == SCR_EOpticsAngleUnits.RETICLE)
        {
            float reticleAngularSize = m_fReticleAngularSize * 0.01;
 
            if (m_fReticleBaseZoom < 0)
                reticleAngularSize *= m_fOpticCurrentFov / -m_fReticleBaseZoom;
            else if (m_fReticleBaseZoom > 0)
                reticleAngularSize *= m_fOpticCurrentFov / m_Optic.CalculateZoomFOV(m_fReticleBaseZoom);
 
            return reticleAngularSize;
        }
 
        if (unit == SCR_EOpticsAngleUnits.OBJECTIVE)
        {
            float objectiveSize = m_fObjectiveFov * m_fObjectiveScale * 0.01;
 
            if (m_fOpticBaseFov > 0)
                objectiveSize *= m_fOpticCurrentFov / m_fOpticBaseFov;
 
            return objectiveSize;
        }
 
        if (unit == SCR_EOpticsAngleUnits.MILS_WP)
            return 360 / 6000;
 
        if (unit == SCR_EOpticsAngleUnits.MILS_NATO)
            return 360 / 6400;
 
        if (unit == SCR_EOpticsAngleUnits.MILS_STRECK)
            return 360 / 6300;
 
        if (unit == SCR_EOpticsAngleUnits.MILLIRADIANS)
            return Math.RAD2DEG * 0.001;
 
        return custom;
    }
 
    //------------------------------------------------------------------------------------------------
    static void DebugDrawFieldOfView(vector sightMat[4], float angle)
    {
        if (float.AlmostEqual(angle, 0))
            return;
 
        // References
        float targetSize = Math.Tan(Math.DEG2RAD * angle * 0.5);
        float range = 1000;
        CameraBase currentCamera = GetGame().GetCameraManager().CurrentCamera();
        if (currentCamera)
            range = currentCamera.GetFarPlane() * 0.5;
 
        vector fovMat[4];
        fovMat[0] = sightMat[0];
        fovMat[1] = sightMat[2];
        fovMat[2] = sightMat[1];
        fovMat[3] = sightMat[3] + sightMat[2] * range;
 
        SCR_Shape.DrawCircle(fovMat, targetSize * range, s_iLineColor, COLOR_YELLOW_A, ShapeFlags.ONCE | ShapeFlags.NOZBUFFER | ShapeFlags.TRANSP | ShapeFlags.NOOUTLINE | ShapeFlags.NOZWRITE);
    }
 
    //------------------------------------------------------------------------------------------------
    protected void DebugDrawNotches(vector sightMat[4], float length, float spacing, float size)
    {
        if (float.AlmostEqual(length, 0))
            return;
 
        if (float.AlmostEqual(spacing, 0))
            return;
 
        vector opticSide = sightMat[0];
        vector opticUp = sightMat[1];
        vector opticDir = sightMat[2];
        vector opticPos = sightMat[3];
 
        // References
        int count = Math.Floor(size / spacing);
        float notchSpacing = Math.DEG2RAD * spacing;
        float notchHalf = Math.Tan(Math.DEG2RAD * length * 0.5);
        float range = 1000;
        CameraBase currentCamera = GetGame().GetCameraManager().CurrentCamera();
        if (currentCamera)
            range = currentCamera.GetFarPlane() * 0.5;
 
        vector zeroMat[4] = sightMat;
        zeroMat[3] = opticPos + opticDir * range;
 
        vector notchMat[4] = zeroMat;
        vector notchSide = opticSide * notchHalf * range;
        vector notchUp = opticUp * notchHalf * range;
        vector notch[2];
 
        // Horizontal markings - left
        notchMat = zeroMat;
        for (int i; i < count; i++)
        {
            SCR_Math3D.RotateAround(notchMat, opticPos, opticUp, -notchSpacing, notchMat);
            notch[0] = notchMat[3] + notchUp;
            notch[1] = notchMat[3] - notchUp;
            Shape.CreateLines(s_iLineColor, ShapeFlags.ONCE | ShapeFlags.NOZBUFFER, notch, 2);
        }
 
        // Horizontal markings - right
        notchMat = zeroMat;
        for (int i; i < count; i++)
        {
            SCR_Math3D.RotateAround(notchMat, opticPos, opticUp, notchSpacing, notchMat);
            notch[0] = notchMat[3] + notchUp;
            notch[1] = notchMat[3] - notchUp;
            Shape.CreateLines(s_iLineColor, ShapeFlags.ONCE | ShapeFlags.NOZBUFFER, notch, 2);
        }
 
        // Vertical markings - up
        notchMat = zeroMat;
        for (int i; i < count; i++)
        {
            SCR_Math3D.RotateAround(notchMat, opticPos, opticSide, -notchSpacing, notchMat);
            notch[0] = notchMat[3] + notchSide;
            notch[1] = notchMat[3] - notchSide;
            Shape.CreateLines(s_iLineColor, ShapeFlags.ONCE | ShapeFlags.NOZBUFFER, notch, 2);
        }
 
        // Vertical markings - down
        notchMat = zeroMat;
        for (int i; i < count; i++)
        {
            SCR_Math3D.RotateAround(notchMat, opticPos, opticSide, notchSpacing, notchMat);
            notch[0] = notchMat[3] + notchSide;
            notch[1] = notchMat[3] - notchSide;
            Shape.CreateLines(s_iLineColor, ShapeFlags.ONCE | ShapeFlags.NOZBUFFER, notch, 2);
        }
    }
 
    //------------------------------------------------------------------------------------------------
    protected void DebugDrawCross(vector sightMat[4], float radius)
    {
        if (float.AlmostEqual(radius, 0))
            return;
 
        vector opticSide = sightMat[0];
        vector opticUp = sightMat[1];
        vector opticDir = sightMat[2];
        vector opticPos = sightMat[3];
 
        // References
        float crossRadius = Math.Tan(Math.DEG2RAD * radius * 0.5);
        float range = 1000;
        CameraBase currentCamera = GetGame().GetCameraManager().CurrentCamera();
        if (currentCamera)
            range = currentCamera.GetFarPlane() * 0.5;
 
        vector crossPos = opticPos + opticDir * range;
        vector cross[2];
 
        // Line of sight
        cross[0] = opticPos;
        cross[1] = crossPos;
        Shape.CreateLines(s_iLineColor, ShapeFlags.ONCE | ShapeFlags.NOZBUFFER, cross, 2);
 
        // Horizontal
        vector crossSide = opticSide * crossRadius * range;
        cross[0] = crossPos + crossSide;
        cross[1] = crossPos - crossSide;
        Shape.CreateLines(s_iLineColor, ShapeFlags.ONCE | ShapeFlags.NOZBUFFER, cross, 2);
 
        // Vertical
        vector crossUp = opticUp * crossRadius * range;
        cross[0] = crossPos + crossUp;
        cross[1] = crossPos - crossUp;
        Shape.CreateLines(s_iLineColor, ShapeFlags.ONCE | ShapeFlags.NOZBUFFER, cross, 2);
 
        // Diagonal #1
        cross[0] = crossPos - crossUp - crossSide;
        cross[1] = crossPos + crossUp + crossSide;
        Shape.CreateLines(s_iLineColor, ShapeFlags.ONCE | ShapeFlags.NOZBUFFER, cross, 2);
 
        // Diagonal #2
        cross[0] = crossPos + crossUp - crossSide;
        cross[1] = crossPos - crossUp + crossSide;
        Shape.CreateLines(s_iLineColor, ShapeFlags.ONCE | ShapeFlags.NOZBUFFER, cross, 2);
    }
 
    //------------------------------------------------------------------------------------------------
    static void SetScope2DEnabled(bool enabled)
    {
        BaseContainer gameplaySettings = GetGame().GetGameUserSettings().GetModule("SCR_GameplaySettings");
        if (gameplaySettings)
            gameplaySettings.Set("m_b2DScopes", enabled);
    }
#endif
}