Added resource weights and layer unlock UI to the game.

Scripts/World/Layer.cs

@@ -10,7 +10,7 @@ public partial class Layer : Node3D
 	private Node3D decorationRoot;
 	public Tile[,] tiles;
 	private int layerSize;
-	private int level;
+	public int level;
 	private bool updateFailed = false;
 	public bool hasContentGenerated = false;
 	public Vector2I gateCoordinate;

Scripts/World/ResourceDistributor.cs

@@ -4,30 +4,37 @@ using Godot;
 public class ResourceDistributor
 {
     public static Dictionary<string, Texture2D> resources = ResourceLoader.LoadResourceSymbols();
+    public static Dictionary<string, float[]> weights = ResourceLoader.LoadResourceWeights();
 
-    public static string GetResource(List<string> current)
+    public static string GetResource(int layer)
     {
-        List<string> availableResources = GetUnusedResources(current);
-        if (availableResources.Count <= 0)
-        {
-            availableResources = new List<string>(resources.Keys);
-        }
-
-        return availableResources[GameData.rand.Next(availableResources.Count)];
+        return ChooseWeighted(layer);
     }
 
-    private static List<string> GetUnusedResources(List<string> current)
-    {
-        List<string> result = new List<string>();
+    private static string ChooseWeighted(int layer)
+	{
+		float totalWeight = 0f;
+        float weightLerp;
 
-        foreach (string resource in resources.Keys)
-        {
-            if (!current.Contains(resource))
-            {
-                result.Add(resource);
-            }
-        }
+		foreach (string resource in resources.Keys)
+		{
+            weightLerp = Mathf.Lerp(weights[resource][0], weights[resource][1], layer);
+			totalWeight += weightLerp;
+		}
 
-        return result;
-    }
+		float r = (float)(GameData.rand.NextDouble() * totalWeight);
+
+		float cumulative = 0f;
+
+		foreach (string resource in resources.Keys)
+		{
+            weightLerp = Mathf.Lerp(weights[resource][0], weights[resource][1], layer);
+			cumulative += weightLerp;
+
+			if (r <= cumulative)
+				return resource;
+		}
+
+		return "stone";
+	}
 }

Scripts/World/World.cs

@@ -50,6 +50,8 @@ public partial class World : Node3D
 		robot.Position = map[0].tiles[0, 0].Position;
 		AddChild(robot);
 		robots.Add(robot);
+
+		SetGateRequirements();
 	}
 
 	private Dictionary<string, MultiMeshInstance3D> CreateMultiMeshes(Dictionary<string, Mesh> meshLibrary)
@@ -206,7 +208,7 @@ public partial class World : Node3D
 			if (layer.tiles[posX, posY].containsResource) continue;
 
 			layer.tiles[posX, posY].containsResource = true;
-			layer.tiles[posX, posY].resource = new GameResource(ResourceDistributor.GetResource(layer.currentResources));
+			layer.tiles[posX, posY].resource = new GameResource(ResourceDistributor.GetResource(layer.level));
 			layer.currentResources.Add(layer.tiles[posX, posY].resource.name);
 			currentResource++;
 		}
@@ -225,4 +227,9 @@ public partial class World : Node3D
 			data.Tile.SpawnContent(contentMeshes, data.Transform, data.Placeholders);
 		}
 	}
+
+	private void SetGateRequirements()
+	{
+		
+	}
 }