Added final features for this release. Now only polishing (if needed) remains.

Features: Sacrifice-Node, Maintain-Node, Options for screen type, lightcolor and soundvolume, tied in sound effects, game pause when menu is open, visibly open up gate when opening it.

Scripts/Gameplay/Crafting/GameResource.cs

@@ -1,5 +1,8 @@
 public class GameResource
 {
+    private const float NormalExtractionSpeed = 1f;
+    private const float EndlessExtractionSpeed = 4f;
+
     public string name;
     public ItemData item;
 
@@ -15,17 +18,23 @@ public class GameResource
         maxAmount = GameData.rand.Next(1000, 10000);
         currentAmount = maxAmount;
         isEndless = false;
-        extractionSpeed = 1f;
+        extractionSpeed = NormalExtractionSpeed;
         item = GameData.availableItems[name];
     }
 
     public static GameResource FromSaveData(ResourceSaveData saveData)
     {
-        GameResource resource = new GameResource(saveData.Name);
-        resource.currentAmount = saveData.CurrentAmount;
-        resource.maxAmount = saveData.MaxAmount;
-        resource.isEndless = saveData.IsEndless;
-        resource.extractionSpeed = saveData.ExtractionSpeed;
+        GameResource resource = new GameResource(saveData.Name)
+        {
+            currentAmount = saveData.CurrentAmount,
+            maxAmount = saveData.MaxAmount,
+            isEndless = saveData.IsEndless,
+            extractionSpeed = saveData.ExtractionSpeed
+        };
+        if (resource.isEndless && resource.extractionSpeed <= NormalExtractionSpeed)
+        {
+            resource.extractionSpeed = EndlessExtractionSpeed;
+        }
         resource.timeSinceLastExtraction = saveData.TimeSinceLastExtraction;
         return resource;
     }
@@ -64,4 +73,20 @@ public class GameResource
     {
         return (isEndless || currentAmount > 0) && GameData.availableResearch[item.Research].state == ResearchState.RESEARCHED;
     }
+
+    public void MakeEndless()
+    {
+        isEndless = true;
+        extractionSpeed = EndlessExtractionSpeed;
+    }
+
+    public bool IsEndless()
+    {
+        return isEndless;
+    }
+
+    public float GetExtractionSpeed()
+    {
+        return extractionSpeed;
+    }
 }

Scripts/Gameplay/Robots/Robot.cs

@@ -29,6 +29,8 @@ public partial class Robot : Node3D
 
 	public override void _Process(double delta)
 	{
+		if (GameData.isPaused) return;
+
 		if (isExecuting)
 		{
 			if (CanExecute(delta))
@@ -155,6 +157,16 @@ public partial class Robot : Node3D
 		currentMessage = "";
 	}
 
+	public void Maintain(float amount)
+	{
+		maintenance = Math.Clamp(maintenance + amount, 0f, 100f);
+		if (maintenance > 0f)
+		{
+			isBroken = false;
+		}
+		currentMessage = "";
+	}
+
 	public RobotSaveData CreateSaveData()
 	{
 		return new RobotSaveData