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370 lines
12 KiB
370 lines
12 KiB
using UnityEngine;
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using UnityEngine.EventSystems;
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using System.Collections;
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namespace TMPro
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{
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public enum TextContainerAnchors { TopLeft = 0, Top = 1, TopRight = 2, Left = 3, Middle = 4, Right = 5, BottomLeft = 6, Bottom = 7, BottomRight = 8, Custom = 9 };
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[ExecuteInEditMode]
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[RequireComponent(typeof(RectTransform))]
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[AddComponentMenu("Layout/Text Container")]
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public class TextContainer : UIBehaviour
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{
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#pragma warning disable 0618 // Disabled warning related to deprecated properties. This is for backwards compatibility.
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public bool hasChanged
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{
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get { return m_hasChanged; }
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set { m_hasChanged = value; }
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}
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private bool m_hasChanged;
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// Pivot / Transform Position
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public Vector2 pivot
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{
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get { return m_pivot; }
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set { /*Debug.Log("Pivot has changed.");*/ if (m_pivot != value) { m_pivot = value; m_anchorPosition = GetAnchorPosition(m_pivot); m_hasChanged = true; OnContainerChanged(); } }
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}
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[SerializeField]
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private Vector2 m_pivot;
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public TextContainerAnchors anchorPosition
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{
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get { return m_anchorPosition; }
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set { /*Debug.Log("Anchor has changed.");*/ if (m_anchorPosition != value) { m_anchorPosition = value; m_pivot = GetPivot(m_anchorPosition); m_hasChanged = true; OnContainerChanged(); } }
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}
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[SerializeField]
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private TextContainerAnchors m_anchorPosition = TextContainerAnchors.Middle;
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// Rect which defines the Rectangle
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public Rect rect
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{
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get { return m_rect; }
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set { /*Debug.Log("Rectangle has changed.");*/ if (m_rect != value) { m_rect = value; /*m_size = new Vector2(m_rect.width, m_rect.height);*/ m_hasChanged = true; OnContainerChanged(); } }
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}
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[SerializeField]
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private Rect m_rect;
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public Vector2 size
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{
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get { return new Vector2(m_rect.width, m_rect.height); }
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set { /*Debug.Log("Size has changed.");*/ if (new Vector2(m_rect.width, m_rect.height) != value) { SetRect(value); m_hasChanged = true; m_isDefaultWidth = false; m_isDefaultHeight = false; OnContainerChanged(); } }
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}
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// Sets the width of the Text Container.
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public float width
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{
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get { return m_rect.width; }
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set { /*Debug.Log("Width has changed.");*/ SetRect(new Vector2(value, m_rect.height)); m_hasChanged = true; m_isDefaultWidth = false; OnContainerChanged(); }
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}
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// Sets the height of the Text Container.
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public float height
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{
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get { return m_rect.height; }
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set { SetRect(new Vector2(m_rect.width, value)); m_hasChanged = true; m_isDefaultHeight = false; OnContainerChanged(); }
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}
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// Used to determine if the user has changed the width of the Text Container.
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public bool isDefaultWidth
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{
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get { return m_isDefaultWidth; }
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}
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private bool m_isDefaultWidth;
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// Used to determine if the user has changed the height of the Text Container.
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public bool isDefaultHeight
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{
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get { return m_isDefaultHeight; }
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}
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private bool m_isDefaultHeight;
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public bool isAutoFitting
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{
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get { return m_isAutoFitting; }
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set { m_isAutoFitting = value; }
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}
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private bool m_isAutoFitting = false;
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// Corners of the Text Container
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public Vector3[] corners
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{
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get { return m_corners; }
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}
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private Vector3[] m_corners = new Vector3[4];
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public Vector3[] worldCorners
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{
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get { return m_worldCorners; }
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}
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private Vector3[] m_worldCorners = new Vector3[4];
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//public Vector3 normal
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//{
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// get { return m_normal; }
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//}
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//private Vector3 m_normal;
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// The margin offset from the Rectangle Bounds
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public Vector4 margins
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{
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get { return m_margins; }
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set { if (m_margins != value) { /*Debug.Log("Margins have changed.");*/ m_margins = value; m_hasChanged = true; OnContainerChanged(); } }
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}
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[SerializeField]
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private Vector4 m_margins;
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/// <summary>
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/// The RectTransform used by the object
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/// </summary>
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public RectTransform rectTransform
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{
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get
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{
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if (m_rectTransform == null) m_rectTransform = GetComponent<RectTransform>();
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return m_rectTransform;
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}
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}
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private RectTransform m_rectTransform;
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//private Transform m_transform;
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//private bool m_isAddingRectTransform;
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private static Vector2 k_defaultSize = new Vector2(100, 100);
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/// <summary>
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///
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/// </summary>
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public TextMeshPro textMeshPro
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{
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get
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{
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if (m_textMeshPro == null) m_textMeshPro = GetComponent<TextMeshPro>();
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return m_textMeshPro;
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}
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}
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private TextMeshPro m_textMeshPro;
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protected override void Awake()
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{
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Debug.LogWarning("The Text Container component is now Obsolete and can safely be removed from [" + gameObject.name + "].", this);
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return;
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}
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/// <summary>
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///
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/// </summary>
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protected override void OnEnable()
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{
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//Debug.Log("Text Container OnEnable() called.");
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OnContainerChanged();
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}
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/// <summary>
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///
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/// </summary>
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protected override void OnDisable()
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{
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//Debug.Log("OnDisable() called.");
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}
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/// <summary>
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///
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/// </summary>
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void OnContainerChanged()
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{
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//Debug.Log("OnContainerChanged");
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UpdateCorners();
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//UpdateWorldCorners();
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if (this.m_rectTransform != null)
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{
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m_rectTransform.sizeDelta = this.size;
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m_rectTransform.hasChanged = true;
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}
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if (this.textMeshPro != null)
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{
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m_textMeshPro.SetVerticesDirty();
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m_textMeshPro.margin = m_margins;
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}
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}
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#if UNITY_EDITOR
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/// <summary>
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///
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/// </summary>
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protected override void OnValidate()
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{
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//Debug.Log("OnValidate() called.");
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m_hasChanged = true;
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OnContainerChanged();
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}
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#endif
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/*
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void LateUpdate()
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{
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// Used by the Run Time Text Input Component ... This will have to be changed.
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if (m_transform.hasChanged)
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UpdateWorldCorners();
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}
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*/
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/// <summary>
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/// Callback from Unity to handle RectTransform changes.
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/// </summary>
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protected override void OnRectTransformDimensionsChange()
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{
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// Required to add a RectTransform to objects created in previous releases.
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if (this.rectTransform == null) m_rectTransform = gameObject.AddComponent<RectTransform>();
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if (m_rectTransform.sizeDelta != k_defaultSize)
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this.size = m_rectTransform.sizeDelta;
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pivot = m_rectTransform.pivot;
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m_hasChanged = true;
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OnContainerChanged();
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}
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private void SetRect(Vector2 size)
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{
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m_rect = new Rect(m_rect.x, m_rect.y, size.x, size.y);
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//UpdateCorners();
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}
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private void UpdateCorners()
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{
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m_corners[0] = new Vector3(-m_pivot.x * m_rect.width, (- m_pivot.y) * m_rect.height);
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m_corners[1] = new Vector3(-m_pivot.x * m_rect.width, (1 - m_pivot.y) * m_rect.height);
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m_corners[2] = new Vector3((1 - m_pivot.x) * m_rect.width, (1 - m_pivot.y) * m_rect.height);
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m_corners[3] = new Vector3((1 - m_pivot.x) * m_rect.width, (- m_pivot.y) * m_rect.height);
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//Debug.Log("Pivot " + m_pivot + " Corners 0: " + m_corners[0] + " 1: " + m_corners[1] + " 2: " + m_corners[2] + " 3: " + m_corners[3]);
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if (m_rectTransform != null)
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m_rectTransform.pivot = m_pivot;
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}
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//private void UpdateWorldCorners()
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//{
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// if (m_transform == null)
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// return;
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// Vector3 position = m_transform.position;
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// m_worldCorners[0] = position + m_transform.TransformDirection(m_corners[0]);
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// m_worldCorners[1] = position + m_transform.TransformDirection(m_corners[1]);
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// m_worldCorners[2] = position + m_transform.TransformDirection(m_corners[2]);
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// m_worldCorners[3] = position + m_transform.TransformDirection(m_corners[3]);
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// m_normal = Vector3.Cross(worldCorners[1] - worldCorners[0], worldCorners[3] - worldCorners[0]);
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//}
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//public Vector3[] GetWorldCorners()
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//{
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// UpdateWorldCorners();
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// return m_worldCorners;
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//}
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Vector2 GetPivot(TextContainerAnchors anchor)
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{
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Vector2 pivot = Vector2.zero;
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switch (anchor)
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{
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case TextContainerAnchors.TopLeft:
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pivot = new Vector2(0, 1);
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break;
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case TextContainerAnchors.Top:
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pivot = new Vector2(0.5f, 1);
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break;
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case TextContainerAnchors.TopRight:
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pivot = new Vector2(1, 1);
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break;
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case TextContainerAnchors.Left:
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pivot = new Vector2(0, 0.5f);
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break;
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case TextContainerAnchors.Middle:
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pivot = new Vector2(0.5f, 0.5f);
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break;
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case TextContainerAnchors.Right:
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pivot = new Vector2(1, 0.5f);
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break;
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case TextContainerAnchors.BottomLeft:
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pivot = new Vector2(0, 0);
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break;
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case TextContainerAnchors.Bottom:
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pivot = new Vector2(0.5f, 0);
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break;
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case TextContainerAnchors.BottomRight:
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pivot = new Vector2(1, 0);
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break;
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}
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return pivot;
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}
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// Method which returns the Anchor position based on pivot value.
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TextContainerAnchors GetAnchorPosition(Vector2 pivot)
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{
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if (pivot == new Vector2(0, 1))
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return TextContainerAnchors.TopLeft;
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else if (pivot == new Vector2(0.5f, 1))
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return TextContainerAnchors.Top;
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else if (pivot == new Vector2(1f, 1))
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return TextContainerAnchors.TopRight;
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else if (pivot == new Vector2(0, 0.5f))
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return TextContainerAnchors.Left;
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else if (pivot == new Vector2(0.5f, 0.5f))
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return TextContainerAnchors.Middle;
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else if (pivot == new Vector2(1, 0.5f))
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return TextContainerAnchors.Right;
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else if (pivot == new Vector2(0, 0))
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return TextContainerAnchors.BottomLeft;
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else if (pivot == new Vector2(0.5f, 0))
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return TextContainerAnchors.Bottom;
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else if (pivot == new Vector2(1, 0))
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return TextContainerAnchors.BottomRight;
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else
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return TextContainerAnchors.Custom;
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}
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}
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}
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