682 lines
23 KiB
C#
682 lines
23 KiB
C#
using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using System;
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using System.Collections.Generic;
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using System.Collections.Immutable;
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using System.Linq;
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namespace Barotrauma
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{
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public class GUITextBlock : GUIComponent
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{
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protected string text;
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protected Alignment textAlignment;
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private float textScale = 1;
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protected Vector2 textPos;
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protected Vector2 origin;
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protected Color textColor, disabledTextColor, selectedTextColor;
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private string wrappedText;
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private string censoredText;
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public delegate string TextGetterHandler();
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public TextGetterHandler TextGetter;
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public bool Wrap;
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private bool playerInput;
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public bool RoundToNearestPixel = true;
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private bool overflowClipActive;
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public bool OverflowClip;
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public bool OverflowClipActive
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{
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get { return overflowClipActive; }
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}
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private float textDepth;
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private ScalableFont originalFont;
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public Vector2 TextOffset { get; set; }
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private Vector4 padding;
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public Vector4 Padding
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{
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get { return padding; }
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set
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{
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padding = value;
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SetTextPos();
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}
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}
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public override ScalableFont Font
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{
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get
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{
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return base.Font;
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}
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set
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{
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if (base.Font == value) { return; }
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base.Font = originalFont = value;
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if (text != null && GUI.Style.ForceFontUpperCase.ContainsKey(Font) && GUI.Style.ForceFontUpperCase[Font])
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{
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Text = text.ToUpper();
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}
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SetTextPos();
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}
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}
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public string Text
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{
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get { return text; }
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set
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{
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string newText = forceUpperCase || (GUI.Style.ForceFontUpperCase.ContainsKey(Font) && GUI.Style.ForceFontUpperCase[Font]) || (style != null && style.ForceUpperCase) ?
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value?.ToUpper() :
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value;
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if (Text == newText) { return; }
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//reset scale, it gets recalculated in SetTextPos
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if (autoScaleHorizontal || autoScaleVertical) { textScale = 1.0f; }
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text = newText;
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wrappedText = newText;
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if (TextManager.IsCJK(text))
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{
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//switch to fallback CJK font
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if (!Font.IsCJK) { base.Font = GUI.CJKFont; }
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}
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else
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{
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if (Font == GUI.CJKFont) { base.Font = originalFont; }
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}
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SetTextPos();
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}
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}
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public string WrappedText
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{
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get { return wrappedText; }
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}
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public float TextDepth
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{
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get { return textDepth; }
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set { textDepth = MathHelper.Clamp(value, 0.0f, 1.0f); }
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}
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public Vector2 TextPos
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{
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get { return textPos; }
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set { textPos = value; }
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}
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public float TextScale
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{
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get { return textScale; }
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set
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{
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if (value != textScale)
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{
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textScale = value;
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SetTextPos();
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}
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}
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}
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private bool autoScaleHorizontal, autoScaleVertical;
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/// <summary>
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/// When enabled, the text is automatically scaled down to fit the textblock horizontally.
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/// </summary>
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public bool AutoScaleHorizontal
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{
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get { return autoScaleHorizontal; }
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set
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{
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if (autoScaleHorizontal == value) { return; }
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autoScaleHorizontal = value;
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if (autoScaleHorizontal)
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{
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SetTextPos();
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}
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}
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}
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/// <summary>
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/// When enabled, the text is automatically scaled down to fit the textblock vertically.
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/// </summary>
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public bool AutoScaleVertical
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{
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get { return autoScaleVertical; }
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set
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{
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if (autoScaleVertical == value) { return; }
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autoScaleVertical = value;
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if (autoScaleVertical)
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{
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SetTextPos();
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}
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}
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}
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private bool forceUpperCase;
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public bool ForceUpperCase
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{
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get { return forceUpperCase; }
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set
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{
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if (forceUpperCase == value) { return; }
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forceUpperCase = value;
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if (forceUpperCase ||
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(style != null && style.ForceUpperCase) ||
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(GUI.Style.ForceFontUpperCase.ContainsKey(Font) && GUI.Style.ForceFontUpperCase[Font]))
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{
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Text = text?.ToUpper();
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}
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}
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}
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public Vector2 Origin
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{
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get { return origin; }
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}
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public Vector2 TextSize
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{
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get;
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private set;
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}
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public Color TextColor
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{
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get { return textColor; }
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set { textColor = value; }
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}
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public Color DisabledTextColor
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{
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get => disabledTextColor;
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set => disabledTextColor = value;
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}
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private Color? hoverTextColor;
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public Color HoverTextColor
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{
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get { return hoverTextColor ?? textColor; }
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set { hoverTextColor = value; }
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}
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public Color SelectedTextColor
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{
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get { return selectedTextColor; }
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set { selectedTextColor = value; }
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}
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public Alignment TextAlignment
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{
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get { return textAlignment; }
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set
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{
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if (textAlignment == value) return;
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textAlignment = value;
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SetTextPos();
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}
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}
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public bool Censor
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{
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get;
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set;
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}
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public string CensoredText
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{
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get { return censoredText; }
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}
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public class StrikethroughSettings
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{
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public Color Color { get; set; } = GUI.Style.Red;
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private int thickness;
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private int expand;
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public StrikethroughSettings(Color? color = null, int thickness = 1, int expand = 0)
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{
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if (color != null) { Color = color.Value; }
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this.thickness = thickness;
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this.expand = expand;
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}
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public void Draw(SpriteBatch spriteBatch, float textSizeHalf, float xPos, float yPos)
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{
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ShapeExtensions.DrawLine(spriteBatch, new Vector2(xPos - textSizeHalf - expand, yPos), new Vector2(xPos + textSizeHalf + expand, yPos), Color, thickness);
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}
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}
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public StrikethroughSettings Strikethrough = null;
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public List<RichTextData> RichTextData
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{
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get;
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private set;
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}
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public bool HasColorHighlight => RichTextData != null;
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public bool OverrideRichTextDataAlpha = true;
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public struct ClickableArea
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{
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public RichTextData Data;
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public delegate void OnClickDelegate(GUITextBlock textBlock, ClickableArea area);
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public OnClickDelegate OnClick;
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public OnClickDelegate OnSecondaryClick;
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}
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public List<ClickableArea> ClickableAreas { get; private set; } = new List<ClickableArea>();
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public bool Shadow { get; set; }
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/// <summary>
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/// This is the new constructor.
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/// If the rectT height is set 0, the height is calculated from the text.
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/// </summary>
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public GUITextBlock(RectTransform rectT, string text, Color? textColor = null, ScalableFont font = null,
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Alignment textAlignment = Alignment.Left, bool wrap = false, string style = "", Color? color = null,
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bool playerInput = false, bool parseRichText = false)
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: base(style, rectT)
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{
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if (color.HasValue)
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{
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this.color = color.Value;
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}
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if (textColor.HasValue)
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{
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OverrideTextColor(textColor.Value);
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}
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if (parseRichText)
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{
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RichTextData = Barotrauma.RichTextData.GetRichTextData(text, out text);
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if (RichTextData != null && RichTextData.Count == 0)
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{
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RichTextData = null;
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}
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}
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//if the text is in chinese/korean/japanese and we're not using a CJK-compatible font,
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//use the default CJK font as a fallback
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var selectedFont = originalFont = font ?? GUI.Font;
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if (TextManager.IsCJK(text) && !selectedFont.IsCJK)
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{
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selectedFont = GUI.CJKFont;
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}
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this.Font = selectedFont;
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this.textAlignment = textAlignment;
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this.Wrap = wrap;
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this.Text = text ?? "";
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this.playerInput = playerInput;
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if (rectT.Rect.Height == 0 && !string.IsNullOrEmpty(text))
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{
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CalculateHeightFromText();
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}
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SetTextPos();
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RectTransform.ScaleChanged += SetTextPos;
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RectTransform.SizeChanged += SetTextPos;
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Enabled = true;
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Censor = false;
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}
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public GUITextBlock(RectTransform rectT, List<RichTextData> richTextData, string text, Color? textColor = null, ScalableFont font = null, Alignment textAlignment = Alignment.Left, bool wrap = false, string style = "", Color? color = null, bool playerInput = false)
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: this(rectT, text, textColor, font, textAlignment, wrap, style, color, playerInput)
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{
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this.RichTextData = richTextData;
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}
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public void CalculateHeightFromText(int padding = 0, bool removeExtraSpacing = false)
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{
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if (wrappedText == null) { return; }
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RectTransform.Resize(new Point(RectTransform.Rect.Width, (int)Font.MeasureString(wrappedText, removeExtraSpacing).Y + padding));
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}
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public void SetRichText(string richText)
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{
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RichTextData = Barotrauma.RichTextData.GetRichTextData(richText, out string sanitizedText);
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Text = sanitizedText;
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}
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public override void ApplyStyle(GUIComponentStyle componentStyle)
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{
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if (componentStyle == null) { return; }
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base.ApplyStyle(componentStyle);
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padding = componentStyle.Padding;
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textColor = componentStyle.TextColor;
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hoverTextColor = componentStyle.HoverTextColor;
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disabledTextColor = componentStyle.DisabledTextColor;
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selectedTextColor = componentStyle.SelectedTextColor;
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switch (componentStyle.Font)
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{
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case "font":
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Font = componentStyle.Style.Font;
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break;
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case "smallfont":
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Font = componentStyle.Style.SmallFont;
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break;
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case "largefont":
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Font = componentStyle.Style.LargeFont;
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break;
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case "objectivetitle":
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case "subheading":
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Font = componentStyle.Style.SubHeadingFont;
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break;
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}
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}
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public void SetTextPos()
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{
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cachedCaretPositions = ImmutableArray<Vector2>.Empty;
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if (text == null) { return; }
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censoredText = string.IsNullOrEmpty(text) ? "" : new string('\u2022', text.Length);
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var rect = Rect;
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overflowClipActive = false;
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wrappedText = text;
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TextSize = MeasureText(text);
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if (Wrap && rect.Width > 0)
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{
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wrappedText = ToolBox.WrapText(text, rect.Width - padding.X - padding.Z, Font, textScale);
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TextSize = MeasureText(wrappedText);
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}
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else if (OverflowClip)
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{
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overflowClipActive = TextSize.X > rect.Width - padding.X - padding.Z;
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}
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Vector2 minSize = new Vector2(
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Math.Max(rect.Width - padding.X - padding.Z, 5.0f),
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Math.Max(rect.Height - padding.Y - padding.W, 5.0f));
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if (!autoScaleHorizontal) { minSize.X = float.MaxValue; }
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if (!Wrap && !autoScaleVertical) { minSize.Y = float.MaxValue; }
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if ((autoScaleHorizontal || autoScaleVertical) && textScale > 0.1f &&
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(TextSize.X * textScale > minSize.X || TextSize.Y * textScale > minSize.Y))
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{
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TextScale = Math.Max(0.1f, Math.Min(minSize.X / TextSize.X, minSize.Y / TextSize.Y)) - 0.01f;
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return;
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}
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textPos = new Vector2(padding.X + (rect.Width - padding.Z - padding.X) / 2.0f, padding.Y + (rect.Height - padding.Y - padding.W) / 2.0f);
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origin = TextSize * 0.5f;
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if (textAlignment.HasFlag(Alignment.Left) && !overflowClipActive)
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{
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textPos.X = padding.X;
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origin.X = 0;
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}
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if (textAlignment.HasFlag(Alignment.Right) || overflowClipActive)
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{
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textPos.X = rect.Width - padding.Z;
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origin.X = TextSize.X;
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}
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if (textAlignment.HasFlag(Alignment.Top))
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{
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textPos.Y = padding.Y;
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origin.Y = 0;
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}
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if (textAlignment.HasFlag(Alignment.Bottom))
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{
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textPos.Y = rect.Height - padding.W;
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origin.Y = TextSize.Y;
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}
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origin.X = (int)(origin.X);
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origin.Y = (int)(origin.Y);
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textPos.X = (int)textPos.X;
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textPos.Y = (int)textPos.Y;
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}
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private Vector2 MeasureText(string text)
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{
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if (Font == null) return Vector2.Zero;
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if (string.IsNullOrEmpty(text))
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{
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return Font.MeasureString(" ");
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}
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Vector2 size = Vector2.Zero;
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while (size == Vector2.Zero)
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{
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try { size = Font.MeasureString(string.IsNullOrEmpty(text) ? " " : text); }
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catch { text = text.Length > 0 ? text.Substring(0, text.Length - 1) : ""; }
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}
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return size;
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}
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protected override void SetAlpha(float a)
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{
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// base.SetAlpha(a);
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textColor = new Color(TextColor.R / 255.0f, TextColor.G / 255.0f, TextColor.B / 255.0f, a);
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}
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/// <summary>
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/// Overrides the color for all the states.
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/// </summary>
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public void OverrideTextColor(Color color)
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{
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textColor = color;
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hoverTextColor = color;
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selectedTextColor = color;
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disabledTextColor = color;
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}
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private ImmutableArray<Vector2> cachedCaretPositions = ImmutableArray<Vector2>.Empty;
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public ImmutableArray<Vector2> GetAllCaretPositions()
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{
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if (cachedCaretPositions.Any())
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{
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return cachedCaretPositions;
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}
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string textDrawn = Censor ? CensoredText : Text;
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float w = Wrap
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? (Rect.Width - Padding.X - Padding.Z) / TextScale
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: float.PositiveInfinity;
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Font.WrapText(textDrawn, w, out Vector2[] positions);
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cachedCaretPositions = positions.Select(p => p * TextScale + TextPos - Origin * TextScale).ToImmutableArray();
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return cachedCaretPositions;
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}
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public int GetCaretIndexFromScreenPos(in Vector2 pos)
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{
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return GetCaretIndexFromLocalPos(pos - Rect.Location.ToVector2());
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}
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public int GetCaretIndexFromLocalPos(in Vector2 pos)
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{
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var positions = GetAllCaretPositions();
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if (positions.Length == 0) { return 0; }
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float closestXDist = float.PositiveInfinity;
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float closestYDist = float.PositiveInfinity;
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int closestIndex = -1;
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for (int i = 0; i < positions.Length; i++)
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{
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float xDist = Math.Abs(pos.X - positions[i].X);
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float yDist = Math.Abs(pos.Y - (positions[i].Y + Font.LineHeight * 0.5f));
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if (yDist < closestYDist || (MathUtils.NearlyEqual(yDist, closestYDist) && xDist < closestXDist))
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{
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closestIndex = i;
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closestXDist = xDist;
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closestYDist = yDist;
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}
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}
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return closestIndex >= 0 ? closestIndex : Text.Length;
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}
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protected override void Update(float deltaTime)
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{
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base.Update(deltaTime);
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if (ClickableAreas.Any() && ((GUI.MouseOn?.IsParentOf(this) ?? true) || GUI.MouseOn == this))
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{
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if (!Rect.Contains(PlayerInput.MousePosition)) { return; }
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int index = GetCaretIndexFromScreenPos(PlayerInput.MousePosition);
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foreach (ClickableArea clickableArea in ClickableAreas)
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{
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if (clickableArea.Data.StartIndex <= index && index <= clickableArea.Data.EndIndex)
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{
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GUI.MouseCursor = CursorState.Hand;
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if (PlayerInput.PrimaryMouseButtonClicked())
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{
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clickableArea.OnClick?.Invoke(this, clickableArea);
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}
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if (PlayerInput.SecondaryMouseButtonClicked())
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{
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clickableArea.OnSecondaryClick?.Invoke(this, clickableArea);
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}
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break;
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}
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}
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}
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}
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protected override void Draw(SpriteBatch spriteBatch)
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{
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if (!Visible) { return; }
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Color currColor = GetColor(State);
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var rect = Rect;
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base.Draw(spriteBatch);
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if (TextGetter != null) { Text = TextGetter(); }
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Rectangle prevScissorRect = spriteBatch.GraphicsDevice.ScissorRectangle;
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if (overflowClipActive)
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{
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Rectangle scissorRect = new Rectangle(rect.X + (int)padding.X, rect.Y, rect.Width - (int)padding.X - (int)padding.Z, rect.Height);
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if (!scissorRect.Intersects(prevScissorRect)) { return; }
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spriteBatch.End();
|
|
spriteBatch.GraphicsDevice.ScissorRectangle = Rectangle.Intersect(prevScissorRect, scissorRect);
|
|
spriteBatch.Begin(SpriteSortMode.Deferred, samplerState: GUI.SamplerState, rasterizerState: GameMain.ScissorTestEnable);
|
|
}
|
|
|
|
if (!string.IsNullOrEmpty(text))
|
|
{
|
|
Vector2 pos = rect.Location.ToVector2() + textPos + TextOffset;
|
|
if (RoundToNearestPixel)
|
|
{
|
|
pos.X = (int)pos.X;
|
|
pos.Y = (int)pos.Y;
|
|
}
|
|
|
|
Color currentTextColor = State == ComponentState.Hover || State == ComponentState.HoverSelected ? HoverTextColor : TextColor;
|
|
if (!enabled)
|
|
{
|
|
currentTextColor = disabledTextColor;
|
|
}
|
|
else if (State == ComponentState.Selected)
|
|
{
|
|
currentTextColor = selectedTextColor;
|
|
}
|
|
|
|
if (!HasColorHighlight)
|
|
{
|
|
string textToShow = Censor ? censoredText : (Wrap ? wrappedText : text);
|
|
Color colorToShow = currentTextColor * (currentTextColor.A / 255.0f);
|
|
|
|
if (Shadow)
|
|
{
|
|
Vector2 shadowOffset = new Vector2(GUI.IntScale(2));
|
|
Font.DrawString(spriteBatch, textToShow, pos + shadowOffset, Color.Black, 0.0f, origin, TextScale, SpriteEffects.None, textDepth);
|
|
}
|
|
|
|
Font.DrawString(spriteBatch, textToShow, pos, colorToShow, 0.0f, origin, TextScale, SpriteEffects.None, textDepth);
|
|
}
|
|
else
|
|
{
|
|
if (OverrideRichTextDataAlpha)
|
|
{
|
|
RichTextData.ForEach(rt => rt.Alpha = currentTextColor.A / 255.0f);
|
|
}
|
|
Font.DrawStringWithColors(spriteBatch, Censor ? censoredText : (Wrap ? wrappedText : text), pos,
|
|
currentTextColor * (currentTextColor.A / 255.0f), 0.0f, origin, TextScale, SpriteEffects.None, textDepth, RichTextData);
|
|
}
|
|
|
|
Strikethrough?.Draw(spriteBatch, (int)Math.Ceiling(TextSize.X / 2f), pos.X, ForceUpperCase ? pos.Y : pos.Y + GUI.Scale * 2f);
|
|
}
|
|
|
|
if (overflowClipActive)
|
|
{
|
|
spriteBatch.End();
|
|
spriteBatch.GraphicsDevice.ScissorRectangle = prevScissorRect;
|
|
spriteBatch.Begin(SpriteSortMode.Deferred, samplerState: GUI.SamplerState, rasterizerState: GameMain.ScissorTestEnable);
|
|
}
|
|
|
|
if (OutlineColor.A * currColor.A > 0.0f) GUI.DrawRectangle(spriteBatch, rect, OutlineColor * (currColor.A / 255.0f), false);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Set the text scale of the GUITextBlocks so that they all use the same scale and can fit the text within the block.
|
|
/// </summary>
|
|
public static void AutoScaleAndNormalize(params GUITextBlock[] textBlocks)
|
|
{
|
|
AutoScaleAndNormalize(textBlocks.AsEnumerable<GUITextBlock>());
|
|
}
|
|
|
|
/// <summary>
|
|
/// Set the text scale of the GUITextBlocks so that they all use the same scale and can fit the text within the block.
|
|
/// </summary>
|
|
public static void AutoScaleAndNormalize(bool scaleHorizontal = true, bool scaleVertical = false, params GUITextBlock[] textBlocks)
|
|
{
|
|
AutoScaleAndNormalize(textBlocks.AsEnumerable<GUITextBlock>(), scaleHorizontal, scaleVertical);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Set the text scale of the GUITextBlocks so that they all use the same scale and can fit the text within the block.
|
|
/// </summary>
|
|
public static void AutoScaleAndNormalize(IEnumerable<GUITextBlock> textBlocks, bool scaleHorizontal = true, bool scaleVertical = false, float? defaultScale = null)
|
|
{
|
|
if (!textBlocks.Any()) { return; }
|
|
float minScale = Math.Max(textBlocks.First().TextScale, 1.0f);
|
|
foreach (GUITextBlock textBlock in textBlocks)
|
|
{
|
|
if (defaultScale.HasValue) { textBlock.TextScale = defaultScale.Value; }
|
|
textBlock.AutoScaleHorizontal = scaleHorizontal;
|
|
textBlock.AutoScaleVertical = scaleVertical;
|
|
minScale = Math.Min(textBlock.TextScale, minScale);
|
|
}
|
|
|
|
foreach (GUITextBlock textBlock in textBlocks)
|
|
{
|
|
textBlock.AutoScaleHorizontal = false;
|
|
textBlock.AutoScaleVertical = false;
|
|
textBlock.TextScale = minScale;
|
|
}
|
|
}
|
|
}
|
|
}
|