osukey/osu.Game/Rulesets/UI/ModIcon.cs

// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

using OpenTK.Graphics;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Graphics;
using osu.Game.Rulesets.Mods;

namespace osu.Game.Rulesets.UI
{
    public class ModIcon : Container
    {
        private readonly TextAwesome modIcon;
        private readonly TextAwesome background;

        private float iconSize = 80;
        public float IconSize
        {
            get
            {
                return iconSize;
            }
            set
            {
                iconSize = value;
                reapplySize();
            }
        }

        public new Color4 Colour
        {
            get { return background?.Colour ?? Color4.Transparent; }
            set { background.Colour = value; }
        }

        public FontAwesome Icon
        {
            get { return modIcon.Icon; }
            set { modIcon.Icon = value; }
        }

        public ModIcon(Mod m)
        {
            if(m!= null)
            {
                Children = new Drawable[]
                {
                    background = new TextAwesome
                    {
                        Origin = Anchor.Centre,
                        Anchor = Anchor.Centre,
                        Icon = FontAwesome.fa_osu_mod_bg,
                        Colour = selectColour(m),
                        Shadow = true,
                        TextSize = 20
                    },
                    modIcon = new TextAwesome
                    {
                        Origin = Anchor.Centre,
                        Anchor = Anchor.Centre,
                        Colour = OsuColour.Gray(84),
                        TextSize = 20,
                        Icon = m.Icon,
                    },
                };

                reapplySize();
            }
        }

        private void reapplySize()
        {
            background.TextSize = iconSize;
            modIcon.TextSize = iconSize - 35;
        }

        private Color4 selectColour(Mod mod)
        {
            switch (mod.Type)
            {
                case ModType.DifficultyIncrease:
                    return OsuColour.FromHex(@"ffcc22");
                case ModType.DifficultyReduction:
                    return OsuColour.FromHex(@"88b300");
                case ModType.Special:
                    return OsuColour.FromHex(@"66ccff");

                default: return Color4.White;
            }
        }
    }
}