381 lines
11 KiB
C#
381 lines
11 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using EventInput;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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namespace Subsurface
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{
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public abstract class GUIComponent
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{
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const float FlashDuration = 1.5f;
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public static GUIComponent MouseOn;
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protected static KeyboardDispatcher keyboardDispatcher;
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public enum ComponentState { None, Hover, Selected};
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protected Alignment alignment;
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protected GUIComponentStyle style;
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protected object userData;
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protected Rectangle rect;
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public bool CanBeFocused;
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protected Vector4 padding;
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protected Color color;
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protected Color hoverColor;
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protected Color selectedColor;
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protected GUIComponent parent;
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public List<GUIComponent> children;
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protected ComponentState state;
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protected Color flashColor;
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protected float flashTimer;
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public virtual SpriteFont Font
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{
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get;
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set;
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}
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public string ToolTip
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{
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get;
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set;
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}
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public bool Visible
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{
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get;
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set;
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}
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private GUITextBlock toolTipBlock;
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//protected float alpha;
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public GUIComponent Parent
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{
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get { return parent; }
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}
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public Vector2 Center
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{
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get { return new Vector2(rect.Center.X, rect.Center.Y); }
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}
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public Rectangle Rect
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{
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get { return rect; }
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set
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{
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int prevX = rect.X, prevY = rect.Y;
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int prevWidth = rect.Width, prevHeight = rect.Height;
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rect = value;
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if (prevX == rect.X && prevY == rect.Y && rect.Width == prevWidth && rect.Height == prevHeight) return;
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foreach (GUIComponent child in children)
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{
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child.Rect = new Rectangle(
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child.rect.X + (rect.X - prevX),
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child.rect.Y + (rect.Y - prevY),
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Math.Max(child.rect.Width + (rect.Width - prevWidth),0),
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Math.Max(child.rect.Height + (rect.Height - prevHeight),0));
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}
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}
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}
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protected List<Sprite> sprites;
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//public Alignment SpriteAlignment { get; set; }
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//public bool RepeatSpriteX, RepeatSpriteY;
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public virtual Color OutlineColor { get; set; }
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public ComponentState State
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{
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get { return state; }
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set { state = value; }
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}
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public object UserData
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{
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get { return userData; }
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set { userData = value; }
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}
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public virtual Vector4 Padding
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{
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get { return padding; }
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set { padding = value; }
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}
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public int CountChildren
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{
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get { return children.Count(); }
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}
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public virtual Color Color
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{
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get { return color; }
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set { color = value; }
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}
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public virtual Color HoverColor
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{
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get { return hoverColor; }
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set { hoverColor = value; }
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}
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public virtual Color SelectedColor
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{
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get { return selectedColor; }
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set { selectedColor = value; }
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}
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protected GUIComponent(GUIStyle style)
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{
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Visible = true;
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OutlineColor = Color.Transparent;
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Font = GUI.Font;
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sprites = new List<Sprite>();
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children = new List<GUIComponent>();
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CanBeFocused = true;
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if (style!=null) style.Apply(this);
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}
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public static void Init(GameWindow window)
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{
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keyboardDispatcher = new KeyboardDispatcher(window);
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}
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public T GetChild<T>()
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{
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foreach (GUIComponent child in children)
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{
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if (child is T) return (T)(object)child;
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}
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return default(T);
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}
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public GUIComponent GetChild(object obj)
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{
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foreach (GUIComponent child in children)
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{
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if (child.UserData == obj) return child;
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}
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return null;
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}
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public bool IsParentOf(GUIComponent component)
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{
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foreach (GUIComponent child in children)
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{
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if (child == component) return true;
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if (child.IsParentOf(component)) return true;
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}
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return false;
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}
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public void Flash(Color? color = null)
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{
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flashTimer = FlashDuration;
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flashColor = (color == null) ? Color.Red * 0.8f : (Color)color;
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foreach (GUIComponent child in children)
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{
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child.Flash();
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}
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}
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public virtual void Draw(SpriteBatch spriteBatch)
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{
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if (!Visible) return;
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Color currColor = color;
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if (state == ComponentState.Selected) currColor = selectedColor;
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if (state == ComponentState.Hover) currColor = hoverColor;
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if (flashTimer>0.0f)
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{
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GUI.DrawRectangle(spriteBatch,
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new Rectangle(rect.X-5,rect.Y-5,rect.Width+10,rect.Height+10),
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flashColor * (flashTimer / FlashDuration), true);
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}
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GUI.DrawRectangle(spriteBatch, rect, currColor * (currColor.A / 255.0f), true);
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if (sprites != null)
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{
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foreach (Sprite sprite in sprites)
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{
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Vector2 startPos = new Vector2(rect.X, rect.Y);
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Vector2 size = new Vector2(sprite.SourceRect.Width, sprite.SourceRect.Height);
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if (sprite.size.X == 0.0f) size.X = rect.Width;
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if (sprite.size.Y == 0.0f) size.Y = rect.Height;
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sprite.DrawTiled(spriteBatch, startPos, size, currColor * (currColor.A / 255.0f));
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}
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}
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//Color newColor = color;
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//if (state == ComponentState.Selected) newColor = selectedColor;
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//if (state == ComponentState.Hover) newColor = hoverColor;
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//GUI.DrawRectangle(spriteBatch, rect, newColor*alpha, true);
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//DrawChildren(spriteBatch);
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}
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public void DrawToolTip(SpriteBatch spriteBatch)
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{
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if (!Visible) return;
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int width = 400;
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if (toolTipBlock==null || (string)toolTipBlock.userData != ToolTip)
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{
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string wrappedText = ToolBox.WrapText(ToolTip, width, GUI.SmallFont);
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toolTipBlock = new GUITextBlock(new Rectangle(0,0,width, wrappedText.Split('\n').Length*15), ToolTip, GUI.Style, Alignment.TopLeft, Alignment.TopLeft, null, true, GUI.SmallFont);
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toolTipBlock.Color = Color.Black*0.7f;
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toolTipBlock.OutlineColor = Color.White;
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toolTipBlock.userData = ToolTip;
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}
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toolTipBlock.rect = new Rectangle(MouseOn.Rect.Center.X, MouseOn.rect.Bottom, toolTipBlock.rect.Width, toolTipBlock.rect.Height);
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toolTipBlock.Draw(spriteBatch);
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}
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public virtual void Update(float deltaTime)
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{
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if (!Visible) return;
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if (flashTimer>0.0f) flashTimer -= deltaTime;
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if (CanBeFocused)
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{
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if (rect.Contains(PlayerInput.MousePosition))
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{
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MouseOn = this;
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//ToolTip = this.ToolTip;
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}
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else
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{
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if (MouseOn == this) MouseOn = null;
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}
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}
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for (int i = 0; i < children.Count; i++)
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{
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children[i].Update(deltaTime);
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}
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}
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protected virtual void UpdateDimensions(GUIComponent parent = null)
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{
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Rectangle parentRect = (parent==null) ? new Rectangle(0,0,GameMain.GraphicsWidth, GameMain.GraphicsHeight) : parent.rect;
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Vector4 padding = (parent == null) ? Vector4.Zero : parent.padding;
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if (rect.Width == 0) rect.Width = parentRect.Width - rect.X
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- (int)padding.X - (int)padding.Z;
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if (rect.Height == 0) rect.Height = parentRect.Height - rect.Y
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- (int)padding.Y - (int)padding.W;
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if (alignment.HasFlag(Alignment.CenterX))
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{
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rect.X += parentRect.X + (int)parentRect.Width/2 - (int)rect.Width/2;
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}
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else if (alignment.HasFlag(Alignment.Right))
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{
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rect.X += parentRect.X + (int)parentRect.Width - (int)padding.Z - (int)rect.Width;
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}
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else
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{
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rect.X += parentRect.X + (int)padding.X;
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}
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if (alignment.HasFlag(Alignment.CenterY))
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{
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rect.Y += parentRect.Y + (int)parentRect.Height / 2 - (int)rect.Height / 2;
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}
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else if (alignment.HasFlag(Alignment.Bottom))
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{
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rect.Y += parentRect.Y + (int)parentRect.Height - (int)padding.W - (int)rect.Height;
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}
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else
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{
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rect.Y += parentRect.Y + (int)padding.Y;
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}
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}
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public virtual void ApplyStyle(GUIComponentStyle style)
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{
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color = style.Color;
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hoverColor = style.HoverColor;
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selectedColor = style.SelectedColor;
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padding = style.Padding;
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sprites = style.Sprites;
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OutlineColor = style.OutlineColor;
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this.style = style;
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}
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public virtual void DrawChildren(SpriteBatch spriteBatch)
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{
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for (int i = 0; i < children.Count; i++ )
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{
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children[i].Draw(spriteBatch);
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}
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}
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public virtual void AddChild(GUIComponent child)
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{
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child.parent = this;
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child.UpdateDimensions(this);
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children.Add(child);
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}
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public virtual void RemoveChild(GUIComponent child)
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{
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if (children.Contains(child)) children.Remove(child);
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}
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public GUIComponent FindChild(object userData)
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{
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foreach (GUIComponent child in children)
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{
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if (child.userData == userData) return child;
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}
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return null;
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}
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public virtual void ClearChildren()
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{
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children.Clear();
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}
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}
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}
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