Example #1
0
        /// <summary>
        /// Function to get the Stencil ID
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static int GetStencilID(GameObject obj)
        {
            // Implementation is almost copied from Unity UI

            var count = 0;

            var transform = obj.transform;
            var stopAfter = FindRootSortOverrideCanvas(transform);

            if (transform == stopAfter)
            {
                return(count);
            }

            var t          = transform.parent;
            var components = TMP_ListPool <Mask> .Get();

            while (t != null)
            {
                t.GetComponents <Mask>(components);
                for (var i = 0; i < components.Count; ++i)
                {
                    var mask = components[i];
                    if (mask != null && mask.MaskEnabled() && mask.graphic.IsActive())
                    {
                        ++count;
                        break;
                    }
                }

                if (t == stopAfter)
                {
                    break;
                }

                t = t.parent;
            }
            TMP_ListPool <Mask> .Release(components);

            return(Mathf.Min((1 << count) - 1, 255));
        }
Example #2
0
        public static Material GetMaterialForRendering(MaskableGraphic graphic, Material baseMaterial)
        {
            if (baseMaterial == null)
            {
                return(null);
            }

            var modifiers = TMP_ListPool <IMaterialModifier> .Get();

            graphic.GetComponents(modifiers);

            var result = baseMaterial;

            for (int i = 0; i < modifiers.Count; i++)
            {
                result = modifiers[i].GetModifiedMaterial(result);
            }

            TMP_ListPool <IMaterialModifier> .Release(modifiers);

            return(result);
        }
Example #3
0
        private static Transform FindRootSortOverrideCanvas(Transform start)
        {
            // Implementation is copied from Unity UI

            var canvasList = TMP_ListPool <Canvas> .Get();

            start.GetComponentsInParent(false, canvasList);
            Canvas canvas = null;

            for (int i = 0; i < canvasList.Count; ++i)
            {
                canvas = canvasList[i];

                // We found the canvas we want to use break
                if (canvas.overrideSorting)
                {
                    break;
                }
            }
            TMP_ListPool <Canvas> .Release(canvasList);

            return(canvas != null ? canvas.transform : null);
        }
Example #4
0
        // Show the dropdown.
        //
        // Plan for dropdown scrolling to ensure dropdown is contained within screen.
        //
        // We assume the Canvas is the screen that the dropdown must be kept inside.
        // This is always valid for screen space canvas modes.
        // For world space canvases we don't know how it's used, but it could be e.g. for an in-game monitor.
        // We consider it a fair constraint that the canvas must be big enough to contains dropdowns.
        public void Show()
        {
            if (!IsActive() || !IsInteractable() || m_Dropdown != null)
            {
                return;
            }

            if (!validTemplate)
            {
                SetupTemplate();
                if (!validTemplate)
                {
                    return;
                }
            }

            // Get root Canvas.
            var list = TMP_ListPool <Canvas> .Get();

            gameObject.GetComponentsInParent(false, list);
            if (list.Count == 0)
            {
                return;
            }
            Canvas rootCanvas = list[0];

            TMP_ListPool <Canvas> .Release(list);

            m_Template.gameObject.SetActive(true);

            // Instantiate the drop-down template
            m_Dropdown      = CreateDropdownList(m_Template.gameObject);
            m_Dropdown.name = "Dropdown List";
            m_Dropdown.SetActive(true);

            // Make drop-down RectTransform have same values as original.
            RectTransform dropdownRectTransform = m_Dropdown.transform as RectTransform;

            dropdownRectTransform.SetParent(m_Template.transform.parent, false);

            // Instantiate the drop-down list items

            // Find the dropdown item and disable it.
            DropdownItem itemTemplate = m_Dropdown.GetComponentInChildren <DropdownItem>();

            GameObject    content = itemTemplate.rectTransform.parent.gameObject;
            RectTransform contentRectTransform = content.transform as RectTransform;

            itemTemplate.rectTransform.gameObject.SetActive(true);

            // Get the rects of the dropdown and item
            Rect dropdownContentRect = contentRectTransform.rect;
            Rect itemTemplateRect    = itemTemplate.rectTransform.rect;

            // Calculate the visual offset between the item's edges and the background's edges
            Vector2 offsetMin = itemTemplateRect.min - dropdownContentRect.min + (Vector2)itemTemplate.rectTransform.localPosition;
            Vector2 offsetMax = itemTemplateRect.max - dropdownContentRect.max + (Vector2)itemTemplate.rectTransform.localPosition;
            Vector2 itemSize  = itemTemplateRect.size;

            m_Items.Clear();

            Toggle prev = null;

            for (int i = 0; i < options.Count; ++i)
            {
                OptionData   data = options[i];
                DropdownItem item = AddItem(data, value == i, itemTemplate, m_Items);
                if (item == null)
                {
                    continue;
                }

                // Automatically set up a toggle state change listener
                item.toggle.isOn = value == i;
                item.toggle.onValueChanged.AddListener(x => OnSelectItem(item.toggle));

                // Select current option
                if (item.toggle.isOn)
                {
                    item.toggle.Select();
                }

                // Automatically set up explicit navigation
                if (prev != null)
                {
                    Navigation prevNav   = prev.navigation;
                    Navigation toggleNav = item.toggle.navigation;
                    prevNav.mode   = Navigation.Mode.Explicit;
                    toggleNav.mode = Navigation.Mode.Explicit;

                    prevNav.selectOnDown   = item.toggle;
                    prevNav.selectOnRight  = item.toggle;
                    toggleNav.selectOnLeft = prev;
                    toggleNav.selectOnUp   = prev;

                    prev.navigation        = prevNav;
                    item.toggle.navigation = toggleNav;
                }
                prev = item.toggle;
            }

            // Reposition all items now that all of them have been added
            Vector2 sizeDelta = contentRectTransform.sizeDelta;

            sizeDelta.y = itemSize.y * m_Items.Count + offsetMin.y - offsetMax.y;
            contentRectTransform.sizeDelta = sizeDelta;

            float extraSpace = dropdownRectTransform.rect.height - contentRectTransform.rect.height;

            if (extraSpace > 0)
            {
                dropdownRectTransform.sizeDelta = new Vector2(dropdownRectTransform.sizeDelta.x, dropdownRectTransform.sizeDelta.y - extraSpace);
            }

            // Invert anchoring and position if dropdown is partially or fully outside of canvas rect.
            // Typically this will have the effect of placing the dropdown above the button instead of below,
            // but it works as inversion regardless of initial setup.
            Vector3[] corners = new Vector3[4];
            dropdownRectTransform.GetWorldCorners(corners);

            RectTransform rootCanvasRectTransform = rootCanvas.transform as RectTransform;
            Rect          rootCanvasRect          = rootCanvasRectTransform.rect;

            for (int axis = 0; axis < 2; axis++)
            {
                bool outside = false;
                for (int i = 0; i < 4; i++)
                {
                    Vector3 corner = rootCanvasRectTransform.InverseTransformPoint(corners[i]);
                    if (corner[axis] < rootCanvasRect.min[axis] || corner[axis] > rootCanvasRect.max[axis])
                    {
                        outside = true;
                        break;
                    }
                }
                if (outside)
                {
                    RectTransformUtility.FlipLayoutOnAxis(dropdownRectTransform, axis, false, false);
                }
            }

            for (int i = 0; i < m_Items.Count; i++)
            {
                RectTransform itemRect = m_Items[i].rectTransform;
                itemRect.anchorMin        = new Vector2(itemRect.anchorMin.x, 0);
                itemRect.anchorMax        = new Vector2(itemRect.anchorMax.x, 0);
                itemRect.anchoredPosition = new Vector2(itemRect.anchoredPosition.x, offsetMin.y + itemSize.y * (m_Items.Count - 1 - i) + itemSize.y * itemRect.pivot.y);
                itemRect.sizeDelta        = new Vector2(itemRect.sizeDelta.x, itemSize.y);
            }

            // Fade in the popup
            AlphaFadeList(0.15f, 0f, 1f);

            // Make drop-down template and item template inactive
            m_Template.gameObject.SetActive(false);
            itemTemplate.gameObject.SetActive(false);

            m_Blocker = CreateBlocker(rootCanvas);
        }