worldbox-observer-mod/IdleSpectator/HudCanvas.cs

using NeoModLoader.General;
using UnityEngine;
using UnityEngine.UI;

namespace IdleSpectator;

/// <summary>
/// Shared canvas / text / panel helpers for compact non-modal HUD cards.
/// </summary>
public static class HudCanvas
{
    public static Canvas Resolve()
    {
        if (CanvasMain.instance != null)
        {
            if (CanvasMain.instance.canvas_ui != null)
            {
                return CanvasMain.instance.canvas_ui;
            }

            if (CanvasMain.instance.canvas_tooltip != null)
            {
                return CanvasMain.instance.canvas_tooltip;
            }
        }

        return Object.FindObjectOfType<Canvas>();
    }

    public static Text MakeText(Transform parent, string name, string value, int size)
    {
        Text text = new GameObject(name, typeof(RectTransform), typeof(Text)).GetComponent<Text>();
        text.transform.SetParent(parent, false);
        try
        {
            OT.InitializeCommonText(text);
        }
        catch
        {
            text.font = Resources.GetBuiltinResource<Font>("Arial.ttf");
        }

        text.text = value ?? "";
        text.fontSize = size;
        text.resizeTextForBestFit = true;
        text.resizeTextMinSize = 8;
        text.resizeTextMaxSize = size;
        text.color = Color.white;
        text.raycastTarget = false;
        text.horizontalOverflow = HorizontalWrapMode.Wrap;
        text.verticalOverflow = VerticalWrapMode.Truncate;
        return text;
    }

    public static Image MakeIcon(Transform parent, string name, float size)
    {
        Image image = new GameObject(name, typeof(RectTransform), typeof(Image)).GetComponent<Image>();
        image.transform.SetParent(parent, false);
        RectTransform rt = image.GetComponent<RectTransform>();
        rt.sizeDelta = new Vector2(size, size);
        image.raycastTarget = false;
        image.preserveAspect = true;
        image.color = Color.white;
        image.enabled = false;
        return image;
    }

    /// <summary>Vanilla-tooltip fill + slate 1px edge (<see cref="HudTheme"/>).</summary>
    public static void StylePanel(Image fill, Transform root, Color fillColor)
    {
        if (fill != null)
        {
            fill.color = fillColor;
        }

        if (root == null)
        {
            return;
        }

        GameObject edge = new GameObject("Edge", typeof(RectTransform), typeof(Image));
        edge.transform.SetParent(root, false);
        edge.transform.SetAsFirstSibling();
        RectTransform edgeRt = edge.GetComponent<RectTransform>();
        edgeRt.anchorMin = Vector2.zero;
        edgeRt.anchorMax = Vector2.one;
        edgeRt.offsetMin = new Vector2(-1f, -1f);
        edgeRt.offsetMax = new Vector2(1f, 1f);
        Image edgeImg = edge.GetComponent<Image>();
        edgeImg.color = HudTheme.PanelEdge;
        edgeImg.raycastTarget = false;
    }

    /// <summary>Default panel chrome using <see cref="HudTheme.PanelFill"/>.</summary>
    public static void StylePanel(Image fill, Transform root)
    {
        StylePanel(fill, root, HudTheme.PanelFill);
    }
}