Added research display to the game

Scripts/Research/Research.cs

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+using Godot;
+
+public class Research
+{
+    public ResearchData data;
+    public bool isResearched = false;
+    public double elapsedResearchTime = 0;
+    public bool paidResources = false;
+
+    public ResearchResult Execute(double delta)
+    {
+        if (!paidResources)
+        {
+            foreach (Ingredient ingredient in data.Inputs)
+            {
+                GameData.inventory.RemoveItem(ingredient.Item, ingredient.Amount);
+            }
+            paidResources = true;
+        }
+        elapsedResearchTime += delta;
+        if (elapsedResearchTime >= data.CraftTime)
+        {
+            isResearched = true;
+            return ResearchResult.FINISHED;
+        }
+        return ResearchResult.RESEARCHING;
+    }
+}

Scripts/Research/Research.cs.uid

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+uid://dj2epbu26v1nv

Scripts/Research/ResearchData.cs

@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+using Godot;
+
+public class ResearchData
+{
+    [JsonPropertyName("id")]
+    public string Id { get; set; }
+
+    [JsonPropertyName("inputs")]
+    public List<Ingredient> Inputs { get; set; }
+
+    [JsonPropertyName("research")]
+    public string Research { get; set; }
+
+    [JsonPropertyName("crafttime")]
+    public double CraftTime { get; set; }
+    
+    [JsonPropertyName("texture")]
+    public string Texture { get; set; }
+
+    public string GetReadableName()
+    {
+        string noUnderscore = Id.Replace("_", " ").ToLower();
+        return char.ToUpper(noUnderscore[0]) + noUnderscore.Substring(1);
+    }
+
+    public static string GetIndex(string readable)
+    {
+        return readable.ToLower().Replace(" ", "_");
+    }
+}

Scripts/Research/ResearchData.cs.uid

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+uid://duwl6bhiry6uh

Scripts/Research/ResearchDisplay.cs.uid

@@ -0,0 +1 @@
+uid://pxegmc5nenad

Scripts/Research/ResearchList.cs

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+using Godot;
+
+public partial class ResearchList : PanelContainer
+{
+	[Export] GraphEdit researchGraph;
+
+	public override void _Ready()
+	{
+		foreach (ResearchData research in GameData.availableResearch.Values)
+		{
+			researchGraph.AddChild(CreateItemNode(research.Id, research.Texture));
+		}
+		foreach (ResearchData research in GameData.availableResearch.Values)
+		{
+			researchGraph.ConnectNode(
+					research.Research,
+					0,
+					research.Id,
+					0
+				);
+		}
+	}
+
+	public override void _Process(double delta)
+	{
+
+	}
+
+	private GraphNode CreateItemNode(string id, string texturePath)
+	{
+		TextureRect icon = new TextureRect
+		{
+			Texture = GD.Load<Texture2D>(texturePath),
+			StretchMode = TextureRect.StretchModeEnum.KeepAspectCentered
+		};
+		GraphNode node = new GraphNode
+		{
+			Name = id,
+			Title = id,
+			PositionOffset = new Vector2(GameData.availableResearch.Count * -icon.Texture.GetWidth() + researchGraph.GetChildCount() * icon.Texture.GetWidth() * 10, 0)
+		};
+
+		node.SetSlot(
+			0,
+			true,
+			0,
+			Colors.White,
+			true,
+			0,
+			Colors.White
+		);
+
+		node.AddChild(icon);
+
+		return node;
+	}
+}

Scripts/Research/ResearchList.cs.uid

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+uid://drscsrkfphpy7

Scripts/Research/ResearchResult.cs

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+public enum ResearchResult
+{
+    FAILED,
+    RESEARCHING,
+    FINISHED
+}

Scripts/Research/ResearchResult.cs.uid

@@ -0,0 +1 @@
+uid://cuav7j7m1td2h