Babushka/scripts/CSharp/Common/Minigame/RegionVisual.cs

using Godot;
using System;
using Babushka.scripts.CSharp.Common.Minigame;
using Godot.Collections;

public partial class RegionVisual : Node
{
    [Export] private Sprite2D _sliceSprite;
    [Export] private Label _textLabel;
    [Export] private Node2D _labelPivot;

    [Export(PropertyHint.DictionaryType)] private Dictionary<MinigameController.RegionTheme, Color> _fillColors = new();


    public override void _EnterTree()
    {
        //_sliceSprite.Material = new Material()
    }

    public void Setup(Vector2 normalAngles, Color color, string regionText, MinigameController.RegionTheme regionTheme)
    {
        var mat = (_sliceSprite.Material as ShaderMaterial)!;
        mat.SetShaderParameter("angles", normalAngles);
        mat.SetShaderParameter("fillColor", GetFillColor(regionTheme));

        var averageAngleRadians = (normalAngles.X + normalAngles.Y) * float.Pi; // '/ 2' from the average and '* 2' from the radians cancel out
        _labelPivot.Rotation = averageAngleRadians;
        _textLabel.Rotation = -averageAngleRadians;

        _textLabel.Text = regionText;
    }

    private Color GetFillColor(MinigameController.RegionTheme theme)
    {
        if (_fillColors.TryGetValue(theme, out var color)) return color;
        throw new InvalidOperationException($"No fill color for theme {theme}");
    }
}