Bullet freeze

Scripts/Actors/Ice.cs

@@ -0,0 +1,36 @@
+using Cirno.Scripts.Components.FSM.Player;
+using Godot;
+
+namespace Cirno.Scripts.Actors;
+
+public partial class Ice : Area2D
+{
+    public double Life { get; set; } = 2f;
+    //public float FreezeRange { get; private set; } = 16f;
+    
+    public FreezeModule FreezeModule { get; set; }
+
+    public override void _PhysicsProcess(double delta)
+    {
+        Life -= delta;
+
+        if (Life <= 0)
+        {
+            QueueFree();
+        }
+
+    }
+
+    private void OnAreaEntered(Area2D area)
+    {
+        if (area is not Bullet bullet) return;
+        if (bullet.IsFrozen) return;
+        if (bullet.BulletOwner is BulletOwner.Player) return;
+        if (!bullet.BulletInfo.Freezable) return;
+        
+        bullet.Freeze();
+        var ice = bullet.CreateSibling<Ice>(FreezeModule.IceScene);
+        ice.Life = Life;
+        ice.FreezeModule = FreezeModule;
+    }
+}

Scripts/Actors/Ice.cs.uid

@@ -0,0 +1 @@
+uid://csw0c6gjcmx34

Scripts/Bullet.cs

@@ -30,6 +30,8 @@ public partial class Bullet : Area2D
 
     public bool IsGrazed { get; set; } = false;
 
+    public bool IsFrozen { get; private set; } = false;
+    
     [Signal] public delegate void OnDestroyEventHandler();
 
     private AudioStreamPlayer2D _grazeSound;
@@ -182,8 +184,7 @@ public partial class Bullet : Area2D
         {
             ApplyTimeModifiers(delta);
         }
-
-
+        
         if (BulletInfo.Controllabe)
         {
             ControlBullet(delta);
@@ -273,6 +274,13 @@ public partial class Bullet : Area2D
         EmitSignal(SignalName.OnDestroy);
         QueueFree();
     }
+
+    public void Freeze()
+    {
+        IsFrozen = true;
+        EmitSignal(SignalName.OnDestroy);
+        QueueFree();
+    }
 }
 
 public enum BulletOwner

Scripts/Components/Actors/InputProvider.cs

@@ -18,4 +18,7 @@ public abstract partial class InputProvider : Node2D
     public abstract bool GetWeaponNextJustPressed();
     public abstract bool GetWeaponPreviousJustPressed();
     public abstract bool GetPauseJustPressed();
+    
+    public abstract bool GetFreezeJustPressed();
+    public abstract bool GetFreezePressed();
 }

Scripts/Components/Actors/KeyboardInputProvider.cs

@@ -35,6 +35,7 @@ public partial class KeyboardInputProvider : InputProvider
     [Export] private StringName _previousWeaponActionName = "previous_weapon";
     [Export] private StringName _inventoryActionName = "inventory";
     [Export] private StringName _pauseActionName = "pause";
+    [Export] private StringName _freezeActionName = "Freeze";
 
     private enum AimInputMethod { RightStick, Mouse }
     private AimInputMethod _lastUsedInput = AimInputMethod.RightStick;
@@ -163,5 +164,15 @@ public partial class KeyboardInputProvider : InputProvider
     {
         return GetActionJustPressed(_pauseActionName);
     }
+    
+    public override bool GetFreezeJustPressed()
+    {
+        return GetActionJustPressed(_freezeActionName);
+    }
+    
+    public override bool GetFreezePressed()
+    {
+        return GetActionPressed(_freezeActionName);
+    }
 
 }

Scripts/Components/BulletSpawner.cs

@@ -99,6 +99,7 @@ public class BulletInfo
     public float Spread { get; set; }
     public bool RotateSprite { get; set; } = false;
     public bool Controllabe { get; set; } = false;
+    public bool Freezable { get; set; } = true;
     public PackedScene BulletScene { get; set; }
     public PackedScene DestructionParticlesScene { get; set; }
     public IBulletModifier Modifier { get; set; }

Scripts/Components/FSM/Player/FreezeModule.cs

@@ -0,0 +1,98 @@
+using System.Collections.Generic;
+using Cirno.Scripts.Actors;
+using Cirno.Scripts.Components.Actors;
+using Godot;
+
+namespace Cirno.Scripts.Components.FSM.Player;
+
+public partial class FreezeModule : ModuleBase<PlayerState, CharacterBody2D>
+{
+    [Export] public float ResourceCost { get; private set; } = 15f;
+
+    [Export] public float FreezeRadius { get; private set; } = 64f;
+    [Export] public double Cooldown { get; private set; } = 0.5f;
+    [Export] public double IceLife { get; private set; } = 4f;
+    [Export] public PackedScene IceScene { get; private set; }
+    
+    [ExportGroup("Providers")]
+    [Export]
+    public ActorResourceProvider Shield { get; private set; }
+    
+    [Export]
+    public InputProvider InputProvider { get; private set; }
+    
+    public bool Enabled { get; set; } = false;
+    
+    private double _cooldownTimer = 0;
+    
+    public override void EnterState(PlayerState state)
+    {
+        Enabled = true;
+    }
+
+    public override void ExitState(PlayerState state)
+    {
+        Enabled = false;
+    }
+
+    public override void Init(IStateMachine<PlayerState, CharacterBody2D> machine)
+    {
+        
+    }
+
+    public override void Process(double delta)
+    {
+        if (!Enabled) return;
+        // TODO: Handle cooldown
+    }
+
+    public override void PhysicsProcess(double delta)
+    {
+        if (!Enabled) return;
+        if (InputProvider.GetFreezeJustPressed())
+        {
+            if (Shield.CurrentResource >= ResourceCost)
+            {
+                Shield.CurrentResource -= ResourceCost;
+                FreezeBullets();
+            }
+        }
+    }
+
+    private void FreezeBullets()
+    {
+        var bullets = GetNearbyBullets();
+        foreach (var bullet in bullets)
+        {
+            bullet.Freeze();
+            var ice = bullet.CreateSibling<Ice>(IceScene);
+            ice.Life = IceLife;
+            ice.FreezeModule = this;
+
+        }
+    }
+
+    private List<Bullet> GetNearbyBullets()
+    {
+        var nearbyBullets = new List<Bullet>();
+
+        foreach (var child in GameManager.Instance.BulletsContainer.GetChildren())
+        {
+            if (child is not Bullet bullet) continue;
+            if (bullet.BulletOwner is BulletOwner.Player)
+            {
+                continue;
+            }
+            if (bullet.IsFrozen) continue;
+            if (!bullet.BulletInfo.Freezable) continue;
+            
+            var distance = GlobalPosition.DistanceTo(bullet.GlobalPosition);
+            if (distance <= FreezeRadius)
+            {
+                nearbyBullets.Add(bullet);
+            }
+        }
+
+        return nearbyBullets;
+    }
+}

Scripts/Components/FSM/Player/FreezeModule.cs.uid

@@ -0,0 +1 @@
+uid://ru6yajru35t0

Scripts/Components/FSM/Player/PlayerFSMItemUseModule.cs

@@ -25,13 +25,11 @@ public partial class PlayerFSMItemUseModule : ModuleBase<PlayerState, CharacterB
 
     public override void EnterState(PlayerState state)
     {
-        GD.Print("EnterState");
         Enabled = true;
     }
 
     public override void ExitState(PlayerState state)
     {
-        GD.Print("exitState");
         Enabled = false;
     }
 

Scripts/Resources/BulletResource.cs

@@ -21,6 +21,7 @@ public partial class BulletResource : Resource
     [Export] public DamageType DamageType = DamageType.Neutral;
     [Export] public bool RotateSprite = false;
     [Export] public bool Controllable = false;
+    [Export] public bool Freezable { get; set; } = true;
     [Export] public bool Grazeable { get; set; } = true;
     [Export] public float GrazeValue { get; set; } = 0.2f;
 
@@ -48,6 +49,7 @@ public partial class BulletResource : Resource
             DestructionParticlesScene = DestructionParticlesScene,
             RotateSprite = RotateSprite,
             Controllabe = Controllable,
+            Freezable = Freezable,
             TimeModifiers = TimeModifiers.Select(x => x).ToList(),
             Grazeable = Grazeable,
             GrazeValue = GrazeValue,