Added a loading text effect

source/src/globals/autoloads/scene_fader/scene_fader.gd

@@ -12,9 +12,11 @@ var is_loading: bool = false
 @onready var color_rect: ColorRect = %ColorRect
 @onready var loading_hint_animations: AnimationPlayer = %LoadingHintAnimations
 @onready var loading_hint: TextureRect = %LoadingHint
+@onready var loading_label: RichTextLabel = $LoadingLabel
 
 
 func _ready() -> void:
+	loading_label.hide()
 	color_rect.hide()
 	color_rect.color.a = 0.0
 
@@ -49,13 +51,11 @@ func fade_in() -> void:
 
 	is_fading = false
 
-	loading_hint_animations.play(_ANIM_LOADING)
-	loading_hint.show()
+	set_loading_hints_visible(true)
 
 
 func fade_out() -> void:
-	loading_hint_animations.stop()
-	loading_hint.hide()
+	set_loading_hints_visible(false)
 
 	is_fading = true
 
@@ -65,3 +65,14 @@ func fade_out() -> void:
 
 	color_rect.hide()
 	is_fading = false
+
+
+func set_loading_hints_visible(value: bool) -> void:
+	loading_hint.visible = value
+	loading_label.visible = value
+
+	if value:
+		loading_label.set_text(loading_label.text) # Restart the effect.
+		loading_hint_animations.play(_ANIM_LOADING)
+	else:
+		loading_hint_animations.stop()

source/src/globals/autoloads/scene_fader/scene_fader.tscn

@@ -1,8 +1,14 @@
-[gd_scene load_steps=7 format=3 uid="uid://dis4efdm5s2fc"]
+[gd_scene load_steps=9 format=3 uid="uid://dis4efdm5s2fc"]
 
 [ext_resource type="Script" uid="uid://cynllcoh2smgv" path="res://src/globals/autoloads/scene_fader/scene_fader.gd" id="1_7tt87"]
 [ext_resource type="Script" uid="uid://d0k03wk1s7cw0" path="res://src/core/interactive_loader.gd" id="2_dwqb8"]
 [ext_resource type="Texture2D" uid="uid://dhw8y2oqxvgwu" path="res://godot_icon.svg" id="3_dwqb8"]
+[ext_resource type="Script" uid="uid://41co2svrlbkc" path="res://src/ui/rich_effects/loading_text_effect.gd" id="3_s8mqo"]
+
+[sub_resource type="RichTextEffect" id="RichTextEffect_tvon4"]
+resource_name = "RichTextLoading"
+script = ExtResource("3_s8mqo")
+metadata/_custom_type_script = "uid://41co2svrlbkc"
 
 [sub_resource type="Animation" id="Animation_t3447"]
 length = 0.001
@@ -85,6 +91,20 @@ grow_vertical = 2
 mouse_filter = 2
 color = Color(0, 0, 0, 1)
 
+[node name="LoadingLabel" type="RichTextLabel" parent="."]
+anchors_preset = -1
+anchor_top = 0.5
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+mouse_filter = 2
+bbcode_enabled = true
+text = "[loading]Loading...[/loading]"
+horizontal_alignment = 1
+vertical_alignment = 1
+custom_effects = [SubResource("RichTextEffect_tvon4")]
+
 [node name="HintMargin" type="MarginContainer" parent="."]
 anchors_preset = 15
 anchor_right = 1.0

source/src/ui/rich_effects/loading_text_effect.gd

@@ -0,0 +1,48 @@
+@tool
+class_name RichTextLoading
+extends RichTextEffect
+
+
+var bbcode: String = "loading"
+
+
+func _init() -> void:
+	resource_name = "RichTextLoading"
+
+
+func _process_custom_fx(char_fx: CharFXTransform) -> bool:
+	_process_big_wave(char_fx)
+	_process_small_wave(char_fx)
+	_process_fade(char_fx)
+	return true
+
+
+func _process_big_wave(char_fx: CharFXTransform) -> void:
+	var freq: float = char_fx.env.get("freq", 1.0)
+	var height: float = char_fx.env.get("height", 25.0)
+	var char_range: float = char_fx.env.get("range", 0.15)
+	var curve: float = char_fx.env.get("curve", -13.0)
+
+	var time_offset := float(-char_fx.relative_index) * char_range
+	var sined_time: float = (sin((char_fx.elapsed_time + PI) * freq + time_offset) + 1.0) / 2.0
+	sined_time = ease(sined_time, curve)
+	var y_offset: float = sined_time * height
+	char_fx.offset += Vector2.DOWN * y_offset
+
+
+func _process_small_wave(char_fx: CharFXTransform) -> void:
+	var freq: float = char_fx.env.get("freq", 4.0)
+	var height: float = char_fx.env.get("height", 12.5)
+	var char_range: float = char_fx.env.get("range", 0.5)
+	var curve: float = char_fx.env.get("curve", 6.5)
+
+	var time_offset := float(-char_fx.relative_index) * char_range
+	var sined_time: float = (sin((char_fx.elapsed_time + PI) * freq + time_offset) + 1.0) / 2.0
+	sined_time = ease(sined_time, curve)
+	var y_offset: float = sined_time * height * (1.0 - char_fx.offset.y / 25.0)
+	char_fx.offset += Vector2.UP * y_offset
+
+
+func _process_fade(char_fx: CharFXTransform) -> void:
+	var alpha: float = 1.0 - char_fx.offset.y / 25.0
+	char_fx.color.a = alpha

source/src/ui/rich_effects/loading_text_effect.gd.uid

@@ -0,0 +1 @@
+uid://41co2svrlbkc