UIToggleImage.cs

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using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using ReLogic.Content;
using Terraria.UI;
 
namespace Terraria.GameContent.UI.Elements;
 
public class UIToggleImage : UIElement
{
    private Asset<Texture2D> _onTexture;
 
    private Asset<Texture2D> _offTexture;
 
    private int _drawWidth;
 
    private int _drawHeight;
 
    private Point _onTextureOffset = Point.Zero;
 
    private Point _offTextureOffset = Point.Zero;
 
    private bool _isOn;
 
    public bool IsOn => _isOn;
 
    public UIToggleImage(Asset<Texture2D> texture, int width, int height, Point onTextureOffset, Point offTextureOffset)
    {
        _onTexture = texture;
        _offTexture = texture;
        _offTextureOffset = offTextureOffset;
        _onTextureOffset = onTextureOffset;
        _drawWidth = width;
        _drawHeight = height;
        Width.Set(width, 0f);
        Height.Set(height, 0f);
    }
    public UIToggleImage(Asset<Texture2D> texture, int width, int height, Point onTextureOffset, Point offTextureOffset) {…}
 
    protected override void DrawSelf(SpriteBatch spriteBatch)
    {
        CalculatedStyle dimensions = GetDimensions();
        Texture2D value;
        Point point;
        if (_isOn)
        {
            value = _onTexture.Value;
            point = _onTextureOffset;
        }
        else
        {
            value = _offTexture.Value;
            point = _offTextureOffset;
        }
        Color color = (base.IsMouseHovering ? Color.White : Color.Silver);
        spriteBatch.Draw(value, new Rectangle((int)dimensions.X, (int)dimensions.Y, _drawWidth, _drawHeight), new Rectangle(point.X, point.Y, _drawWidth, _drawHeight), color);
    }
    protected override void DrawSelf(SpriteBatch spriteBatch) {…}
 
    public override void LeftClick(UIMouseEvent evt)
    {
        Toggle();
        base.LeftClick(evt);
    }
    public override void LeftClick(UIMouseEvent evt) {…}
 
    public void SetState(bool value)
    {
        _isOn = value;
    }
    public void SetState(bool value) {…}
 
    public void Toggle()
    {
        _isOn = !_isOn;
    }
    public void Toggle() {…}
}
public class UIToggleImage : UIElement {…};