Add EventBus, SpeedRunManager, and GhostManager; implement ghost recording and playback features

Autoloads/EventBus.cs

@@ -0,0 +1,9 @@
+using Godot;
+
+namespace Mr.BrickAdventures.Autoloads;
+
+public partial class EventBus : Node
+{
+    [Signal] public delegate void LevelStartedEventHandler(int levelIndex, Node currentScene);
+    [Signal] public delegate void LevelCompletedEventHandler(int levelIndex, Node currentScene, double completionTime);
+}

Autoloads/EventBus.cs.uid

@@ -0,0 +1 @@
+uid://bb2yq5wggdw3w

Autoloads/GameManager.cs

@@ -1,9 +1,9 @@
 using System.Collections.Generic;
-using System.Linq;
 using Godot;
 using Godot.Collections;
 using Mr.BrickAdventures.scripts.components;
 using Mr.BrickAdventures.scripts.Resources;
+using Double = System.Double;
 
 namespace Mr.BrickAdventures.Autoloads;
 
@@ -18,6 +18,8 @@ public partial class GameManager : Node
     
     private List<Node> _sceneNodes = [];
     private PlayerController _player;
+    private SpeedRunManager _speedRunManager;
+    private EventBus _eventBus;
     
     [Export] 
     public Dictionary PlayerState { get; set; } = new()
@@ -50,6 +52,12 @@ public partial class GameManager : Node
         _sceneNodes.Clear();
     }
 
+    public override void _Ready()
+    {
+        _speedRunManager = GetNode<SpeedRunManager>("/root/SpeedRunManager");
+        _eventBus = GetNode<EventBus>("/root/EventBus");
+    }
+
     private void OnNodeAdded(Node node)
     {
         _sceneNodes.Add(node);
@@ -133,7 +141,8 @@ public partial class GameManager : Node
             { "current_level", 0 },
             { "completed_levels", new Array<int>() },
             { "unlocked_levels", new Array<int>() {0}},
-            { "unlocked_skills", new Array<SkillData>() }
+            { "unlocked_skills", new Array<SkillData>() },
+            { "statistics", new Godot.Collections.Dictionary<string, Variant>()}
         };
     }
     
@@ -151,6 +160,7 @@ public partial class GameManager : Node
         {
             PlayerState["current_level"] = next;
             GetTree().ChangeSceneToPacked(LevelScenes[next]);
+            _eventBus.EmitSignal(EventBus.SignalName.LevelStarted, next, GetTree().CurrentScene);
         }
     }
     
@@ -187,6 +197,9 @@ public partial class GameManager : Node
     {
         ResetPlayerState();
         ResetCurrentSessionState();
+        
+        _speedRunManager?.StartTimer();
+        
         GetTree().ChangeSceneToPacked(LevelScenes[0]);
         GetNode<SaveSystem>("/root/SaveSystem").SaveGame();
     }
@@ -212,10 +225,14 @@ public partial class GameManager : Node
     {
         var levelIndex = (int)PlayerState["current_level"];
         MarkLevelComplete(levelIndex);
+        
         AddCoins((int)CurrentSessionState["coins_collected"]);
         foreach (var s in (Array)CurrentSessionState["skills_unlocked"])
             UnlockSkill((SkillData)s);
 
+        var completionTime = _speedRunManager?.GetCurrentLevelTime() ?? 0.0;
+        _eventBus.EmitSignal(EventBus.SignalName.LevelCompleted, levelIndex, GetTree().CurrentScene, completionTime);
+        
         ResetCurrentSessionState();
         TryToGoToNextLevel();
         GetNode<SaveSystem>("/root/SaveSystem").SaveGame();

Autoloads/GhostManager.cs

@@ -0,0 +1,112 @@
+using System.Collections.Generic;
+using Godot;
+using Godot.Collections;
+using Mr.BrickAdventures.scripts;
+
+namespace Mr.BrickAdventures.Autoloads;
+
+public partial class GhostManager : Node
+{
+    [Export] private PackedScene GhostPlayerScene { get; set; }
+    
+    public bool IsRecording { get; private set; } = false;
+    public bool IsPlaybackEnabled { get; private set; } = true;
+
+    private List<GhostFrame> _currentRecording = [];
+    private double _startTime = 0.0;
+    private int _currentLevelIndex = -1;
+
+    public void StartRecording(int levelIndex)
+    {
+        if (!IsPlaybackEnabled) return;
+        
+        _currentLevelIndex = levelIndex;
+        _currentRecording.Clear();
+        _startTime = Time.GetTicksMsec() / 1000.0;
+        IsRecording = true;
+        GD.Print("Ghost recording started.");
+    }
+    
+    public void StopRecording(bool levelCompleted, double finalTime)
+    {
+        if (!IsRecording) return;
+        IsRecording = false;
+
+        if (levelCompleted)
+        {
+            var bestTime = LoadBestTime(_currentLevelIndex);
+            if (finalTime < bestTime)
+            {
+                SaveGhostData(_currentLevelIndex, finalTime);
+                GD.Print($"New best ghost saved for level {_currentLevelIndex}. Time: {finalTime}");
+            }
+        }
+        _currentRecording.Clear();
+    }
+    
+    public void RecordFrame(Vector2 position)
+    {
+        if (!IsRecording) return;
+
+        var frame = new GhostFrame
+        {
+            Timestamp = (Time.GetTicksMsec() / 1000.0) - _startTime,
+            Position = position
+        };
+        _currentRecording.Add(frame);
+    }
+    
+    public void SpawnGhostPlayer(int levelIndex, Node parent)
+    {
+        if (!IsPlaybackEnabled || GhostPlayerScene == null) return;
+        
+        var ghostData = LoadGhostData(levelIndex);
+        if (ghostData.Count > 0)
+        {
+            var ghostPlayer = GhostPlayerScene.Instantiate<GhostPlayer>();
+            parent.AddChild(ghostPlayer);
+            ghostPlayer.StartPlayback(ghostData);
+            GD.Print($"Ghost player spawned for level {levelIndex}.");
+        }
+    }
+    
+    private void SaveGhostData(int levelIndex, double time)
+    {
+        var path = $"user://ghost_level_{levelIndex}.dat";
+        using var file = FileAccess.Open(path, FileAccess.ModeFlags.Write);
+        
+        var dataToSave = new Godot.Collections.Dictionary
+        {
+            { "time", time },
+            { "frames", _currentRecording.ToArray() }
+        };
+        file.StoreVar(dataToSave);
+    }
+    
+    private List<GhostFrame> LoadGhostData(int levelIndex)
+    {
+        var path = $"user://ghost_level_{levelIndex}.dat";
+        if (!FileAccess.FileExists(path)) return [];
+
+        using var file = FileAccess.Open(path, FileAccess.ModeFlags.Read);
+        var savedData = (Dictionary)file.GetVar();
+        var framesArray = (Array)savedData["frames"];
+        
+        var frames = new List<GhostFrame>();
+        foreach (var obj in framesArray)
+        {
+            frames.Add((GhostFrame)obj);
+        }
+        return frames;
+    }
+    
+    private double LoadBestTime(int levelIndex)
+    {
+        var path = $"user://ghost_level_{levelIndex}.dat";
+        if (!FileAccess.FileExists(path)) return double.MaxValue;
+
+        using var file = FileAccess.Open(path, FileAccess.ModeFlags.Read);
+        var data = (Dictionary)file.GetVar();
+        return (double)data["time"];
+    }
+}

Autoloads/GhostManager.cs.uid

@@ -0,0 +1 @@
+uid://cgmuod4p2hg5h

Autoloads/SpeedRunManager.cs

@@ -0,0 +1,62 @@
+using System.Collections.Generic;
+using Godot;
+
+namespace Mr.BrickAdventures.Autoloads;
+
+public partial class SpeedRunManager : Node
+{
+    public bool IsRunning { get; private set; } = false;
+    public bool IsVisible { get; private set; } = true;
+    
+    private double _startTime;
+    private double _levelStartTime;
+    private List<double> _splits = [];
+    
+    [Signal] public delegate void TimeUpdatedEventHandler(double totalTime, double levelTime);
+
+    public override void _Process(double delta)
+    {
+        if (!IsRunning || !IsVisible) return;
+        
+        EmitSignalTimeUpdated(GetCurrentTotalTime(), GetCurrentLevelTime());
+    }
+
+    public void StartTimer()
+    {
+        _startTime = Time.GetTicksMsec() / 1000.0;
+        _levelStartTime = _startTime;
+        _splits.Clear();
+        IsRunning = true;
+        GD.Print("Speedrun timer started.");
+    }
+    
+    public void StopTimer()
+    {
+        if (!IsRunning) return;
+        IsRunning = false;
+        var finalTime = GetCurrentTotalTime();
+        GD.Print($"Speedrun finished. Final time: {FormatTime(finalTime)}");
+        
+        // Save personal best if applicable
+    }
+
+    public void Split()
+    {
+        if (!IsRunning) return;
+        
+        var now = Time.GetTicksMsec() / 1000.0;
+        var splitTime = now - _levelStartTime;
+        _splits.Add(splitTime);
+        _levelStartTime = now;
+        GD.Print($"Split recorded: {FormatTime(splitTime)}");
+    }
+    
+    public double GetCurrentTotalTime() => IsRunning ? (Time.GetTicksMsec() / 1000.0) - _startTime : 0;
+    public double GetCurrentLevelTime() => IsRunning ? (Time.GetTicksMsec() / 1000.0) - _levelStartTime : 0;
+    
+    public static string FormatTime(double time)
+    {
+        var span = System.TimeSpan.FromSeconds(time);
+        return $"{(int)span.TotalMinutes:00}:{span.Seconds:00}.{span.Milliseconds:000}";
+    }
+}

Autoloads/SpeedRunManager.cs.uid

@@ -0,0 +1 @@
+uid://c6ohe36xw1h21

Autoloads/StatisticsManager.cs

@@ -0,0 +1,78 @@
+using Godot;
+using Godot.Collections;
+
+namespace Mr.BrickAdventures.Autoloads;
+
+public partial class StatisticsManager : Node
+{
+    private GameManager _gameManager;
+    private AchievementManager _achievementManager;
+    private Dictionary<string, Variant> _stats = new();
+
+    public override void _Ready()
+    {
+        _gameManager = GetNode<GameManager>("/root/GameManager");
+        _achievementManager = GetNode<AchievementManager>("/root/AchievementManager");
+        LoadStatistics();
+    }
+
+    private void LoadStatistics()
+    {
+        if (_gameManager.PlayerState.TryGetValue("statistics", out var statsObj))
+        {
+            _stats = (Dictionary<string, Variant>)statsObj;
+        }
+        else
+        {
+            _stats = new Dictionary<string, Variant>();
+            _gameManager.PlayerState["statistics"] = _stats;
+        }
+    }
+    
+    /// <summary>
+    /// Increases a numerical statistic by a given amount.
+    /// </summary>
+    public void IncrementStat(string statName, int amount = 1)
+    {
+        if (_stats.TryGetValue(statName, out var currentValue))
+        {
+            _stats[statName] = (int)currentValue + amount;
+        }
+        else
+        {
+            _stats[statName] = amount;
+        }
+        GD.Print($"Stat '{statName}' updated to: {_stats[statName]}");
+        CheckAchievementsForStat(statName);
+    }
+
+    /// <summary>
+    /// Gets the value of a statistic.
+    /// </summary>
+    public Variant GetStat(string statName, Variant defaultValue = default)
+    {
+        return _stats.TryGetValue(statName, out var value) ? value : defaultValue;
+    }
+
+    /// <summary>
+    /// Checks if the updated stat meets the criteria for any achievements.
+    /// </summary>
+    private void CheckAchievementsForStat(string statName)
+    {
+        switch (statName)
+        {
+            case "enemies_defeated":
+                if ((int)GetStat(statName, 0) >= 100)
+                {
+                    _achievementManager.UnlockAchievement("slayer_100_enemies");
+                }
+                break;
+            case "jumps_made":
+                if ((int)GetStat(statName, 0) >= 1000)
+                {
+                    _achievementManager.UnlockAchievement("super_jumper");
+                }
+                break;
+        }
+    }
+}

Autoloads/StatisticsManager.cs.uid

@@ -0,0 +1 @@
+uid://c5p3l2mhkw0p4

objects/entities/ghost_player.tscn

@@ -0,0 +1,39 @@
+[gd_scene load_steps=7 format=3 uid="uid://gknrmek1jmjx"]
+
+[ext_resource type="Shader" uid="uid://bs4xvm4qkurpr" path="res://shaders/hit_flash.tres" id="13_uybbp"]
+[ext_resource type="Texture2D" uid="uid://0l454rfplmqg" path="res://sprites/MrBrick_base-sheet.png" id="14_4rwar"]
+[ext_resource type="Texture2D" uid="uid://jl1gwqchhpdc" path="res://sprites/left_eye.png" id="15_qkwlh"]
+[ext_resource type="Texture2D" uid="uid://iiawtnwmeny3" path="res://sprites/right_eye.png" id="16_kt5il"]
+[ext_resource type="Texture2D" uid="uid://dhkwyv6ayb5qb" path="res://sprites/flying_ship.png" id="17_i5nnv"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_xoue7"]
+shader = ExtResource("13_uybbp")
+shader_parameter/enabled = false
+shader_parameter/tint = Color(1, 1, 1, 1)
+
+[node name="Brick Player" type="Node2D"]
+
+[node name="Graphics" type="Node2D" parent="."]
+modulate = Color(1, 1, 1, 0.443137)
+
+[node name="Root" type="Node2D" parent="Graphics"]
+
+[node name="Base" type="Sprite2D" parent="Graphics/Root"]
+material = SubResource("ShaderMaterial_xoue7")
+texture = ExtResource("14_4rwar")
+hframes = 5
+
+[node name="Left Eye" type="Sprite2D" parent="Graphics/Root"]
+position = Vector2(-7, -6)
+texture = ExtResource("15_qkwlh")
+hframes = 2
+
+[node name="Right Eye" type="Sprite2D" parent="Graphics/Root"]
+position = Vector2(6, -5)
+texture = ExtResource("16_kt5il")
+hframes = 2
+
+[node name="Ship" type="Sprite2D" parent="Graphics"]
+visible = false
+position = Vector2(1, 7)
+texture = ExtResource("17_i5nnv")

objects/ghost_manager.tscn

@@ -0,0 +1,8 @@
+[gd_scene load_steps=3 format=3 uid="uid://ckeu2eddl5b3m"]
+
+[ext_resource type="Script" uid="uid://cgmuod4p2hg5h" path="res://Autoloads/GhostManager.cs" id="1_u0u02"]
+[ext_resource type="PackedScene" uid="uid://gknrmek1jmjx" path="res://objects/entities/ghost_player.tscn" id="2_jnk6u"]
+
+[node name="GhostManager" type="Node"]
+script = ExtResource("1_u0u02")
+GhostPlayerScene = ExtResource("2_jnk6u")

objects/ui/speed_run_hud.tscn

@@ -0,0 +1,26 @@
+[gd_scene load_steps=2 format=3 uid="uid://kh85xqo6j848"]
+
+[ext_resource type="Script" uid="uid://0jfdx0hufs55" path="res://scripts/UI/SpeedRunHud.cs" id="1_uwqm0"]
+
+[node name="SpeedRunHud" type="Control" node_paths=PackedStringArray("_timerLabel")]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_uwqm0")
+_timerLabel = NodePath("Label")
+metadata/_custom_type_script = "uid://0jfdx0hufs55"
+
+[node name="Label" type="Label" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+text = "00:00:00"
+horizontal_alignment = 1
+vertical_alignment = 1
+uppercase = true

project.godot

@@ -42,6 +42,10 @@ SteamManager="*res://Autoloads/SteamManager.cs"
 AchievementManager="*res://objects/achievement_manager.tscn"
 SkillManager="*res://objects/skill_manager.tscn"
 FloatingTextManager="*res://objects/floating_text_manager.tscn"
+EventBus="*res://Autoloads/EventBus.cs"
+StatisticsManager="*res://Autoloads/StatisticsManager.cs"
+SpeedRunManager="res://Autoloads/SpeedRunManager.cs"
+GhostManager="res://objects/ghost_manager.tscn"
 
 [debug]
 
@@ -124,7 +128,6 @@ jump={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":87,"key_label":0,"unicode":119,"location":0,"echo":false,"script":null)
 , Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"button_index":11,"pressure":0.0,"pressed":true,"script":null)
 , Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"button_index":0,"pressure":0.0,"pressed":true,"script":null)
-, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":-1,"axis":1,"axis_value":-1.0,"script":null)
 ]
 }
 up={

scenes/level_village_1.tscn

@@ -1,10 +1,11 @@
-[gd_scene load_steps=23 format=4 uid="uid://bol7g83v2accs"]
+[gd_scene load_steps=26 format=4 uid="uid://bol7g83v2accs"]
 
 [ext_resource type="PackedScene" uid="uid://bqi5s710xb1ju" path="res://objects/entities/brick_player.tscn" id="1_dnj2y"]
 [ext_resource type="PackedScene" uid="uid://cawlpch2lk3a2" path="res://objects/level/world_environment.tscn" id="2_1vw1j"]
 [ext_resource type="PackedScene" uid="uid://6foggu31cu14" path="res://objects/level/ui_layer.tscn" id="3_4fsls"]
 [ext_resource type="PackedScene" uid="uid://cywsu7yrtjdog" path="res://objects/level/global_light.tscn" id="4_mc58c"]
 [ext_resource type="Resource" uid="uid://cqtalsov2bkpo" path="res://resources/levels/village/village_1.tres" id="4_onnch"]
+[ext_resource type="PackedScene" uid="uid://kh85xqo6j848" path="res://objects/ui/speed_run_hud.tscn" id="5_chnw1"]
 [ext_resource type="PackedScene" uid="uid://cb0mnye1ki5a6" path="res://objects/level/camera_2d.tscn" id="5_sskgn"]
 [ext_resource type="Script" uid="uid://d23haq52m7ulv" path="res://addons/phantom_camera/scripts/phantom_camera/phantom_camera_2d.gd" id="6_18aqg"]
 [ext_resource type="Script" uid="uid://ccfft4b8rwgbo" path="res://addons/phantom_camera/scripts/resources/tween_resource.gd" id="7_80vn0"]
@@ -16,6 +17,8 @@
 [ext_resource type="PackedScene" uid="uid://bqom4cm7r18db" path="res://objects/entities/killzone.tscn" id="16_bxal3"]
 [ext_resource type="PackedScene" uid="uid://12jnkdygpxwc" path="res://objects/entities/exit_level.tscn" id="16_chnw1"]
 [ext_resource type="PackedScene" uid="uid://b4pdt1gv2ymyi" path="res://objects/tooltip.tscn" id="18_4bhfj"]
+[ext_resource type="Script" uid="uid://dkqeys6lsf04v" path="res://scripts/Events/GhostEventHandler.cs" id="18_p7e1u"]
+[ext_resource type="Script" uid="uid://bysxvcvt00t04" path="res://scripts/Events/SpeedRunEventHandler.cs" id="19_84xgs"]
 
 [sub_resource type="Gradient" id="Gradient_qb72p"]
 colors = PackedColorArray(1, 1, 1, 1, 1, 1, 1, 0)
@@ -83,6 +86,17 @@ SettingsControl = NodePath("../Settings menu")
 InputSettingsControl = NodePath("../Input Settings")
 AudioSettingsControl = NodePath("../Audio settings")
 
+[node name="SpeedRunHud" parent="UI Layer" instance=ExtResource("5_chnw1")]
+anchors_preset = 1
+anchor_left = 1.0
+anchor_bottom = 0.0
+offset_left = -40.0
+offset_top = 38.0
+offset_right = -40.0
+offset_bottom = 38.0
+grow_horizontal = 0
+grow_vertical = 1
+
 [node name="Global Light" parent="." instance=ExtResource("4_mc58c")]
 
 [node name="Camera2D" parent="." instance=ExtResource("5_sskgn")]
@@ -145,6 +159,14 @@ Text = "LEVEL_1_TOOLTIP_3"
 [node name="Killzone" parent="." instance=ExtResource("16_bxal3")]
 position = Vector2(704, 337)
 
+[node name="GhostEventHandler" type="Node" parent="."]
+script = ExtResource("18_p7e1u")
+metadata/_custom_type_script = "uid://dkqeys6lsf04v"
+
+[node name="SpeedRunEventHandler" type="Node" parent="."]
+script = ExtResource("19_84xgs")
+metadata/_custom_type_script = "uid://bysxvcvt00t04"
+
 [connection signal="Death" from="Brick Player/HealthComponent" to="UI Layer/DeathScreen" method="OnPlayerDeath"]
 [connection signal="Death" from="Brick Player/HealthComponent" to="UI Layer/GameOverScreen" method="OnPlayerDeath"]
 

scripts/Events/GhostEventHandler.cs

@@ -0,0 +1,31 @@
+using Godot;
+using Mr.BrickAdventures.Autoloads;
+
+namespace Mr.BrickAdventures.scripts.Events;
+
+[GlobalClass]
+public partial class GhostEventHandler : Node
+{
+    private GhostManager _ghostManager;
+
+    public override void _Ready()
+    {
+        _ghostManager = GetNode<GhostManager>("/root/GhostManager");
+        var eventBus = GetNode<EventBus>("/root/EventBus");
+        
+        eventBus.LevelStarted += OnLevelStarted;
+        eventBus.LevelCompleted += OnLevelCompleted;
+    }
+
+    private void OnLevelStarted(int levelIndex, Node currentScene)
+    {
+        GD.Print($"GhostEventHandler: Level {levelIndex} started.");
+        _ghostManager.StartRecording(levelIndex);
+        _ghostManager.SpawnGhostPlayer(levelIndex, currentScene);
+    }
+    
+    private void OnLevelCompleted(int levelIndex, Node currentScene, double completionTime)
+    {
+        _ghostManager.StopRecording(true, completionTime);
+    }
+}

scripts/Events/GhostEventHandler.cs.uid

@@ -0,0 +1 @@
+uid://dkqeys6lsf04v

scripts/Events/SpeedRunEventHandler.cs

@@ -0,0 +1,23 @@
+using Godot;
+using Mr.BrickAdventures.Autoloads;
+
+namespace Mr.BrickAdventures.scripts.Events;
+
+[GlobalClass]
+public partial class SpeedRunEventHandler : Node
+{
+    private SpeedRunManager _speedRunManager;
+
+    public override void _Ready()
+    {
+        _speedRunManager = GetNode<SpeedRunManager>("/root/SpeedRunManager");
+        var eventBus = GetNode<EventBus>("/root/EventBus");
+        
+        eventBus.LevelCompleted += OnLevelCompleted;
+    }
+
+    private void OnLevelCompleted(int levelIndex, Node currentScene, double completionTime)
+    {
+        _speedRunManager.Split();
+    }
+}

scripts/Events/SpeedRunEventHandler.cs.uid

@@ -0,0 +1 @@
+uid://bysxvcvt00t04

scripts/GhostFrame.cs

@@ -0,0 +1,9 @@
+using Godot;
+
+namespace Mr.BrickAdventures.scripts;
+
+public partial class GhostFrame : GodotObject
+{
+    public double Timestamp { get; set; }
+    public Vector2 Position { get; set; }
+}

scripts/GhostFrame.cs.uid

@@ -0,0 +1 @@
+uid://d2vth3yveucti

scripts/GhostPlayer.cs

@@ -0,0 +1,48 @@
+using System.Collections.Generic;
+using Godot;
+
+namespace Mr.BrickAdventures.scripts;
+
+[GlobalClass]
+public partial class GhostPlayer : Node2D
+{
+    private List<GhostFrame> _playbackData = [];
+    private double _startTime = 0;
+    private int _currentFrameIndex = 0;
+    private bool _isPlaying = false;
+    
+    public void StartPlayback(List<GhostFrame> playbackData)
+    {
+        _playbackData = playbackData;
+        _startTime = Time.GetTicksMsec() / 1000.0;
+        _currentFrameIndex = 0;
+        _isPlaying = true;
+        SetProcess(true);
+    }
+
+    public override void _PhysicsProcess(double delta)
+    {
+        if (!_isPlaying || _playbackData.Count == 0) return;
+
+        var currentTime = (Time.GetTicksMsec() / 1000.0) - _startTime;
+
+        while (_currentFrameIndex + 1 < _playbackData.Count && _playbackData[_currentFrameIndex + 1].Timestamp <= currentTime)
+        {
+            _currentFrameIndex++;
+        }
+
+        if (_currentFrameIndex + 1 >= _playbackData.Count)
+        {
+            GlobalPosition = _playbackData[_currentFrameIndex].Position;
+            _isPlaying = false;
+            QueueFree();
+            return;
+        }
+        
+        var frameA = _playbackData[_currentFrameIndex];
+        var frameB = _playbackData[_currentFrameIndex + 1];
+        var t = (currentTime - frameA.Timestamp) / (frameB.Timestamp - frameA.Timestamp);
+
+        GlobalPosition = frameA.Position.Lerp(frameB.Position, (float)t);
+    }
+}

scripts/GhostPlayer.cs.uid

@@ -0,0 +1 @@
+uid://cr4bfcpo27e7t

scripts/UI/SpeedRunHud.cs

@@ -0,0 +1,26 @@
+using Godot;
+using Mr.BrickAdventures.Autoloads;
+
+namespace Mr.BrickAdventures.scripts.UI;
+
+[GlobalClass]
+public partial class SpeedRunHud : Control
+{
+    [Export] private Label _timerLabel;
+    
+    private SpeedRunManager _speedRunManager;
+
+    public override void _Ready()
+    {
+        _speedRunManager = GetNode<SpeedRunManager>("/root/SpeedRunManager");
+        
+        _speedRunManager.TimeUpdated += OnTimerUpdated;
+        
+        Visible = _speedRunManager.IsVisible;
+    }
+
+    private void OnTimerUpdated(double totalTime, double levelTime)
+    {
+        _timerLabel.Text = SpeedRunManager.FormatTime(totalTime);
+    }
+}

scripts/UI/SpeedRunHud.cs.uid

@@ -0,0 +1 @@
+uid://0jfdx0hufs55