EmoteButton.cs

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using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using ReLogic.Content;
using Terraria.Audio;
using Terraria.Localization;
using Terraria.UI;
 
namespace Terraria.GameContent.UI.Elements;
 
public class EmoteButton : UIElement
{
    private Asset<Texture2D> _texture;
 
    private Asset<Texture2D> _textureBorder;
 
    private int _emoteIndex;
 
    private bool _hovered;
 
    private int _frameCounter;
 
    public EmoteButton(int emoteIndex)
    {
        _texture = Main.Assets.Request<Texture2D>("Images/Extra_" + (short)48, (AssetRequestMode)1);
        _textureBorder = Main.Assets.Request<Texture2D>("Images/UI/EmoteBubbleBorder", (AssetRequestMode)1);
        _emoteIndex = emoteIndex;
        Rectangle frame = GetFrame();
        Width.Set(frame.Width, 0f);
        Height.Set(frame.Height, 0f);
    }
 
    private Rectangle GetFrame()
    {
        int num = ((_frameCounter >= 10) ? 1 : 0);
        return _texture.Frame(8, EmoteBubble.EMOTE_SHEET_VERTICAL_FRAMES, _emoteIndex % 4 * 2 + num, _emoteIndex / 4 + 1);
    }
 
    private void UpdateFrame()
    {
        if (++_frameCounter >= 20)
        {
            _frameCounter = 0;
        }
    }
 
    public override void Update(GameTime gameTime)
    {
        UpdateFrame();
        base.Update(gameTime);
    }
 
    protected override void DrawSelf(SpriteBatch spriteBatch)
    {
        CalculatedStyle dimensions = GetDimensions();
        Vector2 vector = dimensions.Position() + new Vector2(dimensions.Width, dimensions.Height) / 2f;
        Rectangle frame = GetFrame();
        Rectangle value = frame;
        value.X = _texture.Width() / 8;
        value.Y = 0;
        Vector2 origin = frame.Size() / 2f;
        Color white = Color.White;
        Color color = Color.Black;
        if (_hovered)
        {
            color = Main.OurFavoriteColor;
        }
        spriteBatch.Draw(_texture.Value, vector, value, white, 0f, origin, 1f, SpriteEffects.None, 0f);
        spriteBatch.Draw(_texture.Value, vector, frame, white, 0f, origin, 1f, SpriteEffects.None, 0f);
        spriteBatch.Draw(_textureBorder.Value, vector - Vector2.One * 2f, null, color, 0f, origin, 1f, SpriteEffects.None, 0f);
        if (_hovered)
        {
            string name = EmoteID.Search.GetName(_emoteIndex);
            string cursorText = "/" + Language.GetTextValue("EmojiName." + name);
            Main.instance.MouseText(cursorText, 0, 0);
        }
    }
 
    public override void MouseOver(UIMouseEvent evt)
    {
        base.MouseOver(evt);
        SoundEngine.PlaySound(12);
        _hovered = true;
    }
 
    public override void MouseOut(UIMouseEvent evt)
    {
        base.MouseOut(evt);
        _hovered = false;
    }
 
    public override void LeftClick(UIMouseEvent evt)
    {
        base.LeftClick(evt);
        EmoteBubble.MakeLocalPlayerEmote(_emoteIndex);
        IngameFancyUI.Close();
    }
}