Add quick interactions locally

Quick Interactions/CSharp/Client/CrabUI/Components/CUICanvas.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+using Barotrauma;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Input;
+using Microsoft.Xna.Framework.Graphics;
+
+namespace QICrabUI
+{
+
+  /// <summary>
+  /// Allows you to manipulate pixel data of its texture
+  /// </summary>
+  public class CUICanvas : CUIComponent, IDisposable
+  {
+    public Color[] Data;
+
+    public RenderTarget2D Texture;
+
+
+    /// <summary>
+    /// Size of the internal texture
+    /// Will automatically resize the texture and data array of set 
+    /// </summary>
+    public virtual Point Size
+    {
+      get => new Point(Texture.Width, Texture.Height);
+      set
+      {
+        if (value.X == Texture?.Width && value.Y == Texture?.Height) return;
+
+        RenderTarget2D oldTexture = Texture;
+        Texture = new RenderTarget2D(GameMain.Instance.GraphicsDevice, value.X, value.Y);
+        Data = new Color[Texture.Width * Texture.Height];
+        BackgroundSprite = new CUISprite(Texture);
+        oldTexture?.Dispose();
+      }
+    }
+
+    public void Clear(Color? color = null)
+    {
+      Color cl = color ?? Color.Transparent;
+      for (int i = 0; i < Data.Length; i++)
+      {
+        Data[i] = cl;
+      }
+
+      SetData();
+    }
+
+    public Color GetPixel(int x, int y)
+    {
+      return Data[y * Texture.Width + x];
+    }
+
+    public void SetPixel(int x, int y, Color cl)
+    {
+      Data[y * Texture.Width + x] = cl;
+    }
+
+    /// <summary>
+    /// Call this method to transfer values from Data array into texture
+    /// </summary>
+    public void SetData()
+    {
+      Texture.SetData<Color>(Data);
+    }
+
+    /// <summary>
+    /// Uses renderFunc to render stuff directy onto Canvas.Texture
+    /// You can for example use GUI "Draw" methods with provided spriteBatch  
+    /// </summary>
+    /// <param name="renderFunc"> Action<SpriteBatch> where you can draw whatever you want </param>
+    public void Render(Action<SpriteBatch> renderFunc)
+    {
+      GameMain.Instance.GraphicsDevice.SetRenderTarget(Texture);
+
+      //TODO save and restore scissor rect
+      spriteBatch.Begin(SpriteSortMode.Deferred, null, GUI.SamplerState, null, GameMain.ScissorTestEnable);
+
+      renderFunc(spriteBatch);
+
+      spriteBatch.End();
+
+      GameMain.Instance.GraphicsDevice.SetRenderTarget(null);
+    }
+
+    public SpriteBatch spriteBatch;
+
+    public CUICanvas(int x, int y) : base()
+    {
+      Size = new Point(x, y);
+      spriteBatch = new SpriteBatch(GameMain.Instance.GraphicsDevice);
+    }
+
+    public CUICanvas() : this(100, 100) { }
+
+    public override void CleanUp()
+    {
+      Texture?.Dispose();
+    }
+  }
+}