Add basic hovering control

UI/hover.gd

@@ -0,0 +1,12 @@
+extends Control
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	var mouse = get_viewport().get_mouse_position() + Vector2(25,10) #magic number
+	position = mouse

UI/hover.gd.uid

@@ -0,0 +1 @@
+uid://c3jwnn1dj2tg5

UI/player interface.tscn

@@ -1,9 +1,10 @@
-[gd_scene load_steps=6 format=3 uid="uid://c7hu51a2omayl"]
+[gd_scene load_steps=7 format=3 uid="uid://c7hu51a2omayl"]
 
 [ext_resource type="Script" uid="uid://c6xp0y6y0gnjt" path="res://core/scripts/player_interface.gd" id="1_nbn0p"]
 [ext_resource type="Texture2D" uid="uid://dtnvfhpg0fmlk" path="res://packs/Kenney-cursors/Outline/steps.svg" id="1_ur0rc"]
 [ext_resource type="Script" uid="uid://bxo7f7f1th34m" path="res://core/scripts/player_selection_manager.gd" id="3_u7fvt"]
 [ext_resource type="StyleBox" uid="uid://nn1eq5h68x1b" path="res://ui/selection_rect_style.tres" id="4_u7fvt"]
+[ext_resource type="Script" uid="uid://c3jwnn1dj2tg5" path="res://ui/hover.gd" id="5_fvvd0"]
 
 [sub_resource type="Theme" id="Theme_ur0rc"]
 
@@ -19,6 +20,7 @@ pivot_offset = Vector2(960, 540)
 size_flags_horizontal = 3
 size_flags_vertical = 3
 mouse_filter = 2
+accessibility_name = "Player interface"
 script = ExtResource("1_nbn0p")
 
 [node name="Button" type="Button" parent="."]
@@ -35,10 +37,19 @@ theme = SubResource("Theme_ur0rc")
 text = "Test Button"
 icon = ExtResource("1_ur0rc")
 
-[node name="SelectionManager" type="Control" parent="."]
+[node name="SelectionManager" type="Control" parent="." node_paths=PackedStringArray("hover")]
 process_mode = 3
 process_priority = -1
 anchors_preset = 0
 mouse_filter = 2
 script = ExtResource("3_u7fvt")
+hover = NodePath("../HoverLabel")
 rect_style = ExtResource("4_u7fvt")
+
+[node name="HoverLabel" type="Label" parent="."]
+editor_description = "Control that displayed the hovered informations"
+top_level = true
+layout_mode = 0
+offset_right = 40.0
+offset_bottom = 23.0
+script = ExtResource("5_fvvd0")

core/base-classes/player.tscn

@@ -30,6 +30,7 @@ transform = Transform3D(-4.37114e-08, 0.573576, -0.819152, 0, 0.819152, 0.573576
 
 [node name="camera_player" type="Camera3D" parent="camera_rot/camera_point"]
 unique_name_in_owner = true
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 5)
 
 [node name="MeshInstance3D" type="MeshInstance3D" parent="."]
 mesh = SubResource("SphereMesh_ipmo0")

core/scripts/player_selection_manager.gd

@@ -2,17 +2,22 @@ extends Control
 
 class_name SelectionManager
 
+@export_category("Controls")
+@export var hover:Control
+@export_category("Settings")
+@export var rect_style: StyleBoxFlat
+
 var draw_selection := false
 var drag_start: Vector2
 var select_box: Rect2
 var perform_selection := false # Flag to trigger selection in _physics_process
-
+var mouse_position:Vector2 # Storing mous eposition to use it on differents processes
 @onready var box_color: Color = ProjectSettings.get_setting("game/interface/selection_rectangle_color", Color("#00ff0066"))
 @onready var box_color_outline: Color = ProjectSettings.get_setting("game/interface/selection_rectangle_color_outline", Color("#00ff00"))
 @onready var optimized_rect: bool = ProjectSettings.get_setting("game/interface/optimized_rectangle", false)
-@export var rect_style: StyleBoxFlat
+
 @onready var cam = get_viewport().get_camera_3d()
-@onready var hovercontrol: Button = $"../Button"
+@onready var selecteddisplay: Button = $"../Button"
 @onready var debug_mode = get_tree().debug_collisions_hint #ProjectSettings.get_setting("debug/collisions/show_mouse_trace", false)
 
 
@@ -48,24 +53,33 @@ func _unhandled_input(e: InputEvent) -> void:
 
 		queue_redraw()
 	if !draw_selection and e is InputEventMouseMotion:
-		check_hover()
+		mouse_position = e.position
 
 
 func _physics_process(_delta: float) -> void:
 	if perform_selection:
 		update_selected_units()
 		perform_selection = false
+	else:
+		check_hover(mouse_position)
 
 
-func check_hover():
+func check_hover(mouse_pos:Vector2):
 	# TODO: Hovering and display names
+	var raycast = check_raycast(mouse_pos)
+	if raycast.is_empty():
+		hover.text = ""
+	elif raycast.collider:
+		var hovered_entity = raycast.collider.get_parent()
+		hover.text = hovered_entity.name
+
 	var selected = get_selected()
 	if selected.size() > 0:
-		hovercontrol.text = selected[0].name
+		selecteddisplay.text = selected[0].name
 	else:
-		hovercontrol.text = ""
+		selecteddisplay.text = ""
 
-	hovercontrol.queue_redraw()
+	selecteddisplay.queue_redraw()
 
 
 ## Returns an array of entities selected by the player, using multiplayer-unique group names
@@ -84,8 +98,11 @@ func check_raycast(mouse_pos: Vector2, collision_mask: int = 32768) -> Dictionar
 	query.collide_with_areas = true
 	query.collide_with_bodies = false
 	var space_state = cam.get_world_3d().direct_space_state
+	if space_state:
 		return space_state.intersect_ray(query)
 
+	return {}
+
 
 ## Deselects all currently selected entities
 func deselect_all() -> void: