basic targeting system

player_controller/PlayerController.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=56 format=3 uid="uid://bei4nhkf8lwdo"]
+[gd_scene load_steps=58 format=3 uid="uid://bei4nhkf8lwdo"]
 
 [ext_resource type="Script" uid="uid://bbbrf5ckydfna" path="res://player_controller/Scripts/PlayerController.cs" id="1_poq2x"]
 [ext_resource type="PackedScene" uid="uid://cf3rrgr1imvv4" path="res://scenes/path/path.tscn" id="2_6lejt"]
@@ -47,6 +47,7 @@
 [ext_resource type="Texture2D" uid="uid://bnwj7ltdfximr" path="res://icon.svg" id="30_h23go"]
 [ext_resource type="Texture2D" uid="uid://chvt6g0xn5c2m" path="res://systems/dash/light-ring.jpg" id="32_lgpc8"]
 [ext_resource type="Script" uid="uid://b4dwolbvt8our" path="res://addons/godot_state_charts/history_state.gd" id="41_ruloh"]
+[ext_resource type="Texture2D" uid="uid://buu21kg4kkhiw" path="res://guide_examples/shared/fireball/fireball.svg" id="42_cmijs"]
 
 [sub_resource type="CapsuleMesh" id="CapsuleMesh_xc2g5"]
 height = 1.7
@@ -57,6 +58,9 @@ radius = 0.45
 [sub_resource type="SphereShape3D" id="SphereShape3D_q14ux"]
 radius = 1.0
 
+[sub_resource type="SphereShape3D" id="SphereShape3D_cmijs"]
+radius = 1.0
+
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_nodcl"]
 transparency = 1
 albedo_color = Color(0, 0.627451, 0.6313726, 0.49019608)
@@ -202,6 +206,13 @@ monitorable = false
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, -1.5)
 shape = SubResource("SphereShape3D_q14ux")
 
+[node name="CloseEnemyDetector" type="ShapeCast3D" parent="."]
+unique_name_in_owner = true
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.6, 0)
+shape = SubResource("SphereShape3D_cmijs")
+target_position = Vector3(0, 0, -5)
+collision_mask = 16
+
 [node name="StairsSystem" type="Node3D" parent="."]
 script = ExtResource("7_bmt5a")
 
@@ -344,7 +355,6 @@ enabled = false
 initial_node_to_watch = NodePath("../StateChart")
 
 [node name="UI" type="Control" parent="."]
-visible = false
 layout_mode = 3
 anchors_preset = 15
 anchor_right = 1.0
@@ -434,6 +444,23 @@ unique_name_in_owner = true
 custom_minimum_size = Vector2(100, 10)
 layout_mode = 2
 
+[node name="EnemyTarget" type="TextureRect" parent="UI"]
+unique_name_in_owner = true
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -20.0
+offset_top = -20.0
+offset_right = 20.0
+offset_bottom = 20.0
+grow_horizontal = 2
+grow_vertical = 2
+texture = ExtResource("42_cmijs")
+expand_mode = 1
+
 [node name="StateChart" type="Node" parent="."]
 script = ExtResource("25_wv70j")
 metadata/_custom_type_script = "uid://couw105c3bde4"

player_controller/PlayerUi.cs

@@ -4,16 +4,36 @@ using System;
 public partial class PlayerUi : Control
 {
     private TextureRect[] _dashIcons = new TextureRect[3];
+    private TextureRect _enemyTarget;
+    
+    public enum TargetState
+    {
+        NoTarget,
+        TargetTooFar,
+        TargetInRange,
+    }
+    
+    public record TargetProperties(TargetState State, Vector2 Position);
     
     public override void _Ready()
     {
-        base._Ready();
-        
         _dashIcons[0] = GetNode<TextureRect>("%Dash1");
         _dashIcons[1] = GetNode<TextureRect>("%Dash2");
         _dashIcons[2] = GetNode<TextureRect>("%Dash3");
+
+        _enemyTarget = GetNode<TextureRect>("%EnemyTarget");
     }
 
+    public void SetEnemyTargetProperties(TargetProperties targetProperties)
+    {
+        var (state, position) = targetProperties;
+        
+        var visible = state != TargetState.NoTarget;
+        _enemyTarget.SetVisible(visible);
+        _enemyTarget.SetPosition(position);
+    }
+
+
     public void SetNumberOfDashesLeft(int numberOfDashes)
     {
         int index = 1;

player_controller/Scripts/PlayerController.cs

@@ -341,6 +341,9 @@ public partial class PlayerController : CharacterBody3D,
 	private bool _canAttack = true;
 	private readonly List<IDamageable> _hitEnemies = new List<IDamageable>();
 
+	private ShapeCast3D _closeEnemyDetector;
+	private Camera3D _camera;
+
 	public override void _Ready()
 	{
 		LoadSettings();
@@ -351,6 +354,8 @@ public partial class PlayerController : CharacterBody3D,
 		
 		// General use stuff
 		PlayerUi = GetNode<PlayerUi>("UI");
+		_closeEnemyDetector = GetNode<ShapeCast3D>("%CloseEnemyDetector");
+		
 		// DashIndicator = GetNode<TextureRect>("%DashIndicator");
 		PowerCooldownIndicator = GetNode<ColorRect>("%DashCooldownIndicator");
 		PowerCooldownIndicator.Visible = false;
@@ -366,7 +371,7 @@ public partial class PlayerController : CharacterBody3D,
 		
 		// Camera stuff
 		HeadSystem = GetNode<HeadSystem>("HeadSystem");
-		Camera3D camera = GetNode<Camera3D>("HeadSystem/CameraSmooth/Camera3D");
+		_camera = GetNode<Camera3D>("HeadSystem/CameraSmooth/Camera3D");
 		Node3D cameraSmooth = GetNode<Node3D>("HeadSystem/CameraSmooth");
 		
 		// Movement stuff
@@ -479,8 +484,8 @@ public partial class PlayerController : CharacterBody3D,
 		_gravity = (float)ProjectSettings.GetSetting("physics/3d/default_gravity");
 		MantleSystem.Init();
 		StairsSystem.Init(stairsBelowRayCast3D, stairsAheadRayCast3D, cameraSmooth);
-		DashSystem.Init(HeadSystem, camera);
-		WeaponSystem.Init(HeadSystem, camera);
+		DashSystem.Init(HeadSystem, _camera);
+		WeaponSystem.Init(HeadSystem, _camera);
 		WallHugSystem.Init();
 		
 		EmpoweredActionsLeft = MaxNumberOfEmpoweredActions;
@@ -1789,11 +1794,20 @@ public partial class PlayerController : CharacterBody3D,
 	{
 		if (_currentInputBufferFrames > 0) _currentInputBufferFrames -= 1;
 		
+		// Manage head and camera movement
 		LookAround(delta);
+		
+		// Manage general movement
 		Velocity += ComputeKnockback();
 		MoveSlideAndHandleStairs((float) delta);
-		MantleSystem.ProcessMantle(_grounded.Active);
 		
+		// Manage gameplay systems
+		MantleSystem.ProcessMantle(_grounded.Active);
+		HandleEnemyTargeting();
+		
+		if (_closeEnemyDetector.IsColliding())
+		
+		// Manage dash target and tutorial specific stuff
 		if (WeaponSystem.InHandState.Active && !_aiming.Active && TutorialDone)
 		{
 			DashIndicatorMesh.Visible = false;
@@ -1806,6 +1820,28 @@ public partial class PlayerController : CharacterBody3D,
 			DashIndicatorNode.LookAt(WeaponSystem.GlobalPosition);
 		}
 	}
+	public void HandleEnemyTargeting()
+	{
+		_closeEnemyDetector.SetRotation(HeadSystem.GetGlobalLookRotation());
+		
+		var enemyTargetState = PlayerUi.TargetState.NoTarget;
+		var positionOnScreen = Vector2.Zero;
+		if (!_closeEnemyDetector.IsColliding())
+		{
+			PlayerUi.SetEnemyTargetProperties(new PlayerUi.TargetProperties(enemyTargetState, positionOnScreen));
+			return;
+		}
+		var collidedObject = _closeEnemyDetector.GetCollider(0);
+		if (collidedObject is not Node3D target)
+		{
+			PlayerUi.SetEnemyTargetProperties(new PlayerUi.TargetProperties(enemyTargetState, positionOnScreen));
+			return;
+		}
+
+		enemyTargetState = PlayerUi.TargetState.TargetInRange;
+		positionOnScreen = _camera.UnprojectPosition(target.GlobalPosition);
+		PlayerUi.SetEnemyTargetProperties(new PlayerUi.TargetProperties(enemyTargetState, positionOnScreen));
+	}
 	
 	///////////////////////////
 	// Hit Management ///////