Added robot follow button

Prefabs/Robot/RobotDisplay.tscn

@@ -33,6 +33,11 @@ layout_mode = 2
 size_flags_horizontal = 3
 text = "Jump to"
 
+[node name="Follow" type="Button" parent="HBoxContainer" unique_id=101092106]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "Follow"
+
 [node name="CurrentScript" type="RichTextLabel" parent="HBoxContainer" unique_id=425408407]
 layout_mode = 2
 size_flags_horizontal = 3
@@ -42,3 +47,4 @@ horizontal_alignment = 1
 vertical_alignment = 1
 
 [connection signal="pressed" from="HBoxContainer/Jump" to="." method="OnJumpToClicked"]
+[connection signal="pressed" from="HBoxContainer/Follow" to="." method="OnFollowToClicked"]

Scripts/Gameplay/Survival/SurvivalState.cs

@@ -85,6 +85,11 @@ public class SurvivalState
         {
             energy = Math.Clamp(energy + 40f, 0f, maxEnergy);
         }
+
+        if (GameData.inventory.TryRemoveItem("coal", 1))
+        {
+            energy = Math.Clamp(energy + 10f, 0f, maxEnergy);
+        }
     }
 
     private void UpdateStatus()

Scripts/UI/Common/Camera3d.cs

@@ -6,6 +6,7 @@ public partial class Camera3d : Camera3D
 	[Export] public float Speed = 7.5f;
 	[Export] public float MouseSensitivity = 0.2f;
 	[Export] public float ScrollStrength = 5.0f;
+	private Robot robot;
 
 	public override void _Ready()
 	{
@@ -33,13 +34,27 @@ public partial class Camera3d : Camera3D
 
 		if (direction != Vector3.Zero)
 		{
+			if(robot != null) robot = null;
 			direction = direction.Normalized() * Speed * (Input.IsActionPressed("sprint") ? 2.5f : 1) * d;
 			Translate(direction);
 		}
+		else
+		{
+			if(robot != null)
+			{
+				Position = new Vector3(robot.Position.X, 10 - visibleLayer * 4, robot.Position.Z + 4f);
+			}
+			
+		}
 
 		if (Position.Y != 10 - visibleLayer * 4)
 		{
 			Position = new Vector3(Position.X, 10 - visibleLayer * 4, Position.Z);
 		}
 	}
+
+	public void Follow(Robot robot)
+	{
+		this.robot = robot;
+	}
 }

Scripts/UI/Common/UIHandler.cs

@@ -6,7 +6,7 @@ public partial class UIHandler : Control
 {
 	[Export] CodingWindow codingWindow;
 	[Export] RobotList robotList;
-	[Export] Camera3D mainCam;
+	[Export] Camera3d mainCam;
 	[Export] Map map;
 	[Export] RichTextLabel FPS;
 	[Export] RichTextLabel RAM;
@@ -27,15 +27,18 @@ public partial class UIHandler : Control
 
 
 	private bool receivedRobotJumpSignal = false;
+	private bool receivedRobotFollowSignal = false;
 	public override void _Ready()
 	{
 		UIStyle.Apply(this);
 		robotList.OnRobotJumpTo += OnRobotJumpTo;
+		robotList.OnRobotFollow += OnRobotFollow;
 	}
 
 	public override void _ExitTree()
 	{
 		robotList.OnRobotJumpTo -= OnRobotJumpTo;
+		robotList.OnRobotFollow -= OnRobotFollow;
 	}
 
 	public override void _Process(double delta)
@@ -81,6 +84,7 @@ public partial class UIHandler : Control
 
 	public void HandleRobotListButton()
 	{
+		receivedRobotFollowSignal = false;
 		receivedRobotJumpSignal = false;
 		OpenUIElement(robotList);
 	}
@@ -182,6 +186,15 @@ public partial class UIHandler : Control
 		OpenUIElement(codingWindow);
 	}
 
+	private void OnRobotFollow(Robot robot)
+	{
+		if (receivedRobotFollowSignal) return;
+
+		receivedRobotFollowSignal = true;
+		mainCam.Follow(robot);
+		OpenUIElement(codingWindow);
+	}
+
 	private void DisplaySurvivalStats()
 	{
 		energyLabel.Text = $"Energy: {GameData.survival.energy:0}/{GameData.survival.maxEnergy:0}";

Scripts/UI/Robots/RobotDisplay.cs

@@ -6,6 +6,8 @@ public partial class RobotDisplay : PanelContainer
 	[Export] public RichTextLabel currentScript;
 	[Signal]
 	public delegate void OnRobotJumpToEventHandler(Robot robot);
+	[Signal]
+	public delegate void OnRobotFollowEventHandler(Robot robot);
 	public Robot robot;
 
 	public override void _Process(double delta)
@@ -22,4 +24,9 @@ public partial class RobotDisplay : PanelContainer
 	{
 		EmitSignal(SignalName.OnRobotJumpTo, robot);
 	}
+
+	public void OnFollowToClicked()
+	{
+		EmitSignal(SignalName.OnRobotFollow, robot);
+	}
 }

Scripts/UI/Robots/RobotList.cs

@@ -7,6 +7,8 @@ public partial class RobotList : PanelContainer
 	[Export] Button spawnRobot;
 	[Signal]
 	public delegate void OnRobotJumpToEventHandler(Robot robot);
+	[Signal]
+	public delegate void OnRobotFollowEventHandler(Robot robot);
 	private PackedScene robotDisplayPrefab;
 	private string spawnId = "";
 
@@ -46,6 +48,11 @@ public partial class RobotList : PanelContainer
 				EmitSignal(SignalName.OnRobotJumpTo, robot);
 				Visible = false;
 			};
+			display.OnRobotFollow += (robot) =>
+			{
+				EmitSignal(SignalName.OnRobotFollow, robot);
+				Visible = false;
+			};
 			robotList.AddChild(display);
 		}
 	}