Add Credits Scene (#203)

* Update: Rough Draft of Credits

Changelog
-> Changed redirect to options menu scene to my "CreditsOptionTest" scene to represent how we can use the credits button in the options.
-> Added functionality of entering and exiting the credits menu
-> Made a rough draft of the credits menu

* Update: Scrolling Credits Menu

Changelog
-> Added vertical scrolling and fadeout
-> Reused assets to make a nice relaxing background.

* Clean up credits scene and script

---------

Co-authored-by: Quinn-Hub <56490493+Quinn-Hub@users.noreply.github.com>

Author: LifeHckr

Scenes/UI/Options/Credits.tscn

@@ -0,0 +1,64 @@
+[gd_scene load_steps=4 format=3 uid="uid://dgjmb0wllsj41"]
+
+[ext_resource type="Script" uid="uid://drt21hext7pm2" path="res://Scenes/UI/Options/Scripts/CreditsMenu.cs" id="1_n36fd"]
+[ext_resource type="Theme" uid="uid://d37e3tpsbxwak" path="res://Scenes/UI/Assets/GeneralTheme.tres" id="3_agb8c"]
+[ext_resource type="PackedScene" uid="uid://dfevfib11kou1" path="res://Scenes/ChartViewport/ChartViewport.tscn" id="3_ch0mg"]
+
+[node name="Credits" type="Control" node_paths=PackedStringArray("CreditsText", "_returnButton")]
+process_mode = 3
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_n36fd")
+CreditsText = NodePath("Node2D/Label")
+ScrollSpeed = 24.0
+RestartPositionY = 400.0
+_returnButton = NodePath("Return Button")
+
+[node name="Node2D2" type="Node2D" parent="."]
+position = Vector2(80, -12.26)
+scale = Vector2(2.255, 2.01)
+
+[node name="SubViewport" parent="Node2D2" instance=ExtResource("3_ch0mg")]
+offset_left = -57.1486
+offset_top = 5.0
+offset_right = 422.851
+offset_bottom = 185.0
+
+[node name="Node2D" type="Node2D" parent="."]
+
+[node name="Label" type="Label" parent="Node2D"]
+offset_left = 217.0
+offset_top = -3.0
+offset_right = 467.0
+offset_bottom = 410.0
+text = "Credits
+
+Programmers
+ Jarod Spanger: Project Lead
+Connor Lowe
+Raul Mojarro
+Thomas Wessel
+Michael Quinn
+
+Artists
+Ares Atlas
+Evelyn Fu
+Emily Wen
+
+Sound
+Sam Meyer: Composer"
+horizontal_alignment = 1
+
+[node name="Return Button" type="Button" parent="."]
+layout_mode = 2
+offset_left = 570.0
+offset_top = 314.0
+offset_right = 631.0
+offset_bottom = 351.0
+theme = ExtResource("3_agb8c")
+text = "Return"
+icon_alignment = 1

Scenes/UI/Options/Scripts/CreditsMenu.cs

@@ -0,0 +1,89 @@
+using System;
+using FunkEngine;
+using Godot;
+
+public partial class CreditsMenu : Control, IFocusableMenu
+{
+    public static readonly string LoadPath = "res://Scenes/UI/Options/Credits.tscn";
+
+    [Export]
+    public Label CreditsText;
+
+    [Export]
+    public float ScrollSpeed = 50f;
+
+    public float FadeStartY = 0;
+    public float FadeEndY = -400f;
+
+    [Export]
+    public float RestartPositionY = 800f;
+
+    [Export]
+    private Button _returnButton;
+
+    public IFocusableMenu Prev { get; set; }
+
+    public override void _Ready()
+    {
+        if (CreditsText != null)
+        {
+            CreditsText.Position = new Vector2(CreditsText.Position.X, RestartPositionY);
+            FadeEndY = -CreditsText.Size.Y;
+        }
+        _returnButton.Pressed += ReturnToPrev;
+        _returnButton.GrabFocus();
+    }
+
+    public void ResumeFocus()
+    {
+        ProcessMode = ProcessModeEnum.Inherit;
+        _returnButton.GrabFocus();
+    }
+
+    public void PauseFocus()
+    {
+        ProcessMode = ProcessModeEnum.Disabled;
+    }
+
+    public void OpenMenu(IFocusableMenu prev)
+    {
+        Prev = prev;
+        Prev.PauseFocus();
+        _returnButton.GrabFocus();
+    }
+
+    public void ReturnToPrev()
+    {
+        Prev.ResumeFocus();
+        QueueFree();
+    }
+
+    public override void _Input(InputEvent @event)
+    {
+        if (@event.IsActionPressed("ui_cancel"))
+        {
+            ReturnToPrev();
+            GetViewport().SetInputAsHandled();
+        }
+    }
+
+    public override void _Process(double delta)
+    {
+        if (CreditsText == null)
+            return;
+
+        CreditsText.Position += Vector2.Up * (float)(ScrollSpeed * delta);
+
+        float alpha = Mathf.Clamp(
+            1 - (CreditsText.GlobalPosition.Y - FadeStartY) / (FadeEndY - FadeStartY),
+            0,
+            1
+        );
+        CreditsText.Modulate = new Color(1, 1, 1, alpha);
+
+        if (CreditsText.GlobalPosition.Y < -CreditsText.Size.Y)
+        {
+            CreditsText.Position = new Vector2(CreditsText.Position.X, RestartPositionY);
+        }
+    }
+}

Scenes/UI/Options/Scripts/CreditsMenu.cs.uid

@@ -0,0 +1 @@
+uid://drt21hext7pm2

Scenes/UI/Options/Scripts/OptionsMenu.cs

@@ -124,4 +124,12 @@ private void OpenHowToPlay()
         AddChild(howtoPlay);
         howtoPlay.OpenMenu(this);
     }
+
+    private void OpenCredits()
+    {
+        CreditsMenu creditsMenu = GD.Load<PackedScene>(CreditsMenu.LoadPath)
+            .Instantiate<CreditsMenu>();
+        AddChild(creditsMenu);
+        creditsMenu.OpenMenu(this);
+    }
 }