forgot to push for a while, got drag-and-drop mostly working

card_preview.cs

@@ -0,0 +1,92 @@
+using Godot;
+using System;
+
+public partial class card_preview : Control
+{
+	[Export]
+	private string _CardName;
+	public string CardName
+	{
+		get => _CardName;
+		set
+		{
+			_CardName = value;
+			if (IsNodeReady())
+				PropogateCardName();
+		}
+	}
+	private void PropogateCardName()
+	{
+		GetNode<Label>("%CardPreviewNameLabel").Text = _CardName;
+	}
+	[Export]
+	private string _CardId;
+	public string CardId
+	{
+		get => _CardId;
+		set
+		{
+			_CardId = value;
+			if (IsNodeReady())
+				PropogateCardId();
+		}
+	}
+	private void PropogateCardId()
+	{
+		GetNode<Label>("%CardPreviewIdLabel").Text = _CardId;
+	}
+	private Texture2D _Texture;
+	public void SetTexture(Texture2D texture)
+	{
+		_Texture = texture;
+		if (IsNodeReady())
+			PropogateTexture();
+	}
+	private void PropogateTexture()
+	{
+		if (_Texture is not null)
+		{
+			GetNode<TextureRect>("%CardPreviewImage").Texture = _Texture;
+			_Texture = null;
+		}
+	}
+	// Called when the node enters the scene tree for the first time.
+	public override void _Ready()
+	{
+		PropogateCardId();
+		PropogateCardName();
+	}
+
+	// Called every frame. 'delta' is the elapsed time since the previous frame.
+	public override void _Process(double delta)
+	{
+	}
+	public void SetImage(Texture2D texture)
+	{
+		Ready += () => InnerSetImage(texture);
+		if (IsNodeReady())
+			InnerSetImage(texture);
+	}
+	//only called while ready
+	private void InnerSetImage(Texture2D texture)
+	{
+		var node = GetNode<TextureRect>("%CardPreviewImage");
+		node.Texture = texture;
+	}
+	public static card_preview MakePreview(card c)
+	{
+		const float TRANSPARENCY = 0.25f;
+		var scene = GD.Load<PackedScene>("res://card_preview.tscn");
+		var prev = scene.Instantiate() as card_preview;
+		prev.CardName = c.CardName;
+		prev.CardId = c.CardId;
+		prev.SetTexture(c.GetTexture());
+		prev.Size = c.Size;
+		prev.Scale = c.Scale;
+		prev.Modulate = new(1, 1, 1, TRANSPARENCY);
+		return prev;
+		// var preview = new Control();
+		// preview.AddChild(prev);
+		// prev.Position = prev.Size * -0.5f;
+	}
+}