Add new components: CanPickUpComponent, CollapsableComponent, DestroyableComponent, EffectInflictorComponent, StatusEffectComponent, and StatusEffectDataResource

scripts/Resources/StatusEffectDataResource.cs

@@ -4,5 +4,7 @@ namespace Mr.BrickAdventures.scripts.Resources;
 
 public partial class StatusEffectDataResource : Resource
 {
+    [Export] public float Duration { get; set; } = 1f;
+    [Export] public float DamagePerSecond { get; set; } = 0.25f;
     [Export] public StatusEffectType Type { get; set; }
 }

scripts/components/CanPickUpComponent.cs

@@ -0,0 +1,8 @@
+using Godot;
+
+namespace Mr.BrickAdventures.scripts.components;
+
+public partial class CanPickUpComponent : Node
+{
+    
+}

scripts/components/CollapsableComponent.cs

@@ -0,0 +1,81 @@
+using System.Threading.Tasks;
+using Godot;
+
+namespace Mr.BrickAdventures.scripts.components;
+
+public partial class CollapsableComponent : Node
+{
+    [Export] public Timer ToCollapseTimer { get; set; }
+    [Export] public Timer ResetTimer { get; set; }
+    [Export] public Sprite2D Sprite2D { get; set; }
+    [Export] public CollisionShape2D CollisionShape { get; set; }
+    [Export] public float CollapseTime { get; set; } = 0.5f;
+    [Export] public float ResetTime { get; set; } = 0.5f;
+    [Export] public float AnimationTime { get; set; } = 0.25f;
+
+    public override void _Ready()
+    {
+        ResetTimers();
+        
+        ToCollapseTimer.Timeout += OnToCollapseTimerTimeout;
+        ResetTimer.Timeout += OnResetTimerTimeout;
+    }
+    
+    public void OnCollapsableDetectorBodyEntered(Node2D body)
+    {
+        ToCollapseTimer.Start();
+    }
+
+    public void OnCollapsableDetectorBodyExited(Node2D body)
+    {
+        var collapseTimeLeft = Mathf.Abs(ToCollapseTimer.TimeLeft - CollapseTime);
+        if (collapseTimeLeft < (0.1f * CollapseTime))
+        {
+            ResetTimers();
+        }
+    }
+
+    private void OnToCollapseTimerTimeout()
+    {
+        _ = Collapse();
+    }
+
+    private void OnResetTimerTimeout()
+    {
+        _ = Reactivate();
+    }
+
+    private async Task Collapse()
+    {
+        ToCollapseTimer.Stop();
+        ToCollapseTimer.SetWaitTime(CollapseTime);
+
+        var tween = CreateTween();
+        tween.TweenProperty(Sprite2D, "modulate:a", 0f, AnimationTime);
+        await ToSignal(tween, Tween.SignalName.Finished);
+        
+        CollisionShape?.CallDeferred("set_disabled", true);
+        ResetTimer.Start();
+    }
+
+    private async Task Reactivate()
+    {
+        ResetTimer.Stop();
+        ResetTimer.SetWaitTime(ResetTime);
+
+        var tween = CreateTween();
+        tween.TweenProperty(Sprite2D, "modulate:a", 1f, AnimationTime);
+        await ToSignal(tween, Tween.SignalName.Finished);
+        
+        CollisionShape?.CallDeferred("set_disabled", false);
+    }
+
+    private void ResetTimers()
+    {
+        ToCollapseTimer.Stop();
+        ToCollapseTimer.SetWaitTime(CollapseTime);
+        
+        ResetTimer.Stop();
+        ResetTimer.SetWaitTime(ResetTime);
+    }
+}

scripts/components/DestroyableComponent.cs

@@ -0,0 +1,35 @@
+using Godot;
+
+namespace Mr.BrickAdventures.scripts.components;
+
+public partial class DestroyableComponent : Node2D
+{
+    [Export] public HealthComponent Health { get; set; }
+    [Export] public PackedScene DestroyEffect { get; set; }
+
+    public override void _Ready()
+    {
+        if (Health == null)
+        {
+            GD.PushError("DestroyableComponent: HealthComponent is not set.");
+            return;
+        }
+        
+        Health.Death += OnHealthDeath;
+    }
+
+    private void OnHealthDeath()
+    {
+        if (DestroyEffect == null)
+        {
+            Owner.QueueFree();
+            return;
+        }
+
+        var effect = DestroyEffect.Instantiate<Node2D>();
+        Health.GetParent().AddChild(effect);
+        effect.SetGlobalPosition(Health.GlobalPosition);
+        Owner.QueueFree();
+    }
+    
+}

scripts/components/EffectInflictorComponent.cs

@@ -0,0 +1,27 @@
+using Godot;
+using Mr.BrickAdventures.scripts.Resources;
+
+namespace Mr.BrickAdventures.scripts.components;
+
+public partial class EffectInflictorComponent : Node
+{
+    [Export] public DamageComponent Damage { get; set; }
+
+    public override void _Ready()
+    {
+        if (Damage == null)
+        {
+            GD.PushError("EffectInflictorComponent requires a DamageComponent to be set.");
+            return;
+        }
+        
+        Damage.EffectInflicted += OnEffectInflicted;
+    }
+
+    private void OnEffectInflicted(Node2D target, StatusEffectDataResource effect)
+    {
+        var statusEffect = target.GetNodeOrNull<StatusEffectComponent>("StatusEffectComponent");
+
+        statusEffect?.ApplyEffect(effect);
+    }
+}

scripts/components/HealthComponent.cs

@@ -3,7 +3,7 @@ using Godot;
 
 namespace Mr.BrickAdventures.scripts.components;
 
-public partial class HealthComponent : Node
+public partial class HealthComponent : Node2D
 {
     [Export] public float Health { get; set; } = 1.0f;
     [Export] public float MaxHealth { get; set; } = 1.0f;

scripts/components/StatusEffectComponent.cs

@@ -0,0 +1,55 @@
+using System.Collections.Generic;
+using Godot;
+using Mr.BrickAdventures.scripts.Resources;
+
+namespace Mr.BrickAdventures.scripts.components;
+
+public partial class StatusEffect : GodotObject
+{
+    public StatusEffectDataResource EffectData { get; set; }
+    public float ElapsedTime { get; set; }
+    public Timer Timer { get; set; }
+}
+
+public partial class StatusEffectComponent : Node
+{
+    private List<StatusEffect> _activeEffects = [];
+    
+    [Signal] public delegate void EffectAppliedEventHandler(StatusEffect statusEffect);
+    [Signal] public delegate void EffectRemovedEventHandler(StatusEffectType type);
+
+    public void ApplyEffect(StatusEffectDataResource effectData)
+    {
+        var data = effectData.Duplicate() as StatusEffectDataResource;
+        var timer = CreateTimer(effectData.Duration, data);
+        
+        var statusEffect = new StatusEffect
+        {
+            EffectData = data,
+            ElapsedTime = 0f,
+            Timer = timer
+        };
+        _activeEffects.Add(statusEffect);
+        EmitSignalEffectApplied(statusEffect);
+    }
+
+    public void RemoveEffect(StatusEffectType type)
+    {
+        var effectToRemove = _activeEffects.Find(effect => effect.EffectData.Type == type);
+        if (effectToRemove.EffectData == null) return;
+        _activeEffects.Remove(effectToRemove);
+        effectToRemove.Timer.QueueFree();
+        EmitSignalEffectRemoved(type);
+    }
+
+    private Timer CreateTimer(float duration, StatusEffectDataResource effectData)
+    {
+        var timer = new Timer();
+        timer.SetWaitTime(duration);
+        timer.SetOneShot(true);
+        timer.SetAutostart(true);
+        timer.Timeout += () => RemoveEffect(effectData.Type);
+        AddChild(timer);
+        return timer;
+    }
+}