GuiTabToggle.cs

Go to the documentation of this file.

using Loot.UI.Common;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Terraria.GameContent.UI.Elements;
using Terraria.UI;

namespace Loot.UI
{
    internal class GuiTabToggle : UIElement
    {
        public readonly GuiTabState TargetState;

        public delegate void WhenClickedEvent(UIMouseEvent evt, UIElement listeningElement, GuiTabToggle toggle);
        public event WhenClickedEvent WhenClicked;

        private UIImageButton _button;
        private Texture2D _texture;

        public new float VisibilityActive { get; private set; } = 1f;
        public new float VisibilityInactive { get; private set; } = 0.4f;
        public float VisiblityMultiplier => IsActive ? VisibilityActive : VisibilityInactive;
        public bool IsActive { get; private set; }

        public GuiTabToggle(GuiTabState state)
        {
            TargetState = state;
            _texture = GetTexture();
            OnClick += (evt, element) =>
            {
                WhenClicked?.Invoke(evt, element, this);
            };
        }

        public override void OnInitialize()
        {
            Height.Set(_texture.Height, 0);
            Width.Set(_texture.Width, 0);
            _button = new UIImageButton(_texture);
            Append(_button);
        }

        protected override void DrawSelf(SpriteBatch spriteBatch)
        {
            CalculatedStyle dimensions = GetDimensions();
            spriteBatch.Draw(_texture, dimensions.Position(), Color.White * VisiblityMultiplier);
        }

        private Texture2D GetTexture()
        {
            switch (TargetState)
            {
                default:
                case GuiTabState.CUBING:
                    return Assets.Textures.GUI.Tabs.CubingTabTexture;
                case GuiTabState.ESSENCE:
                    return Assets.Textures.GUI.Tabs.EssenceCraftTexture;
                case GuiTabState.SOULFORGE:
                    return Assets.Textures.GUI.Tabs.SoulforgeTexture;
            }
        }

        public void SetVisibility(float whenActive, float whenInactive)
        {
            VisibilityActive = MathHelper.Clamp(whenActive, 0f, 1f);
            VisibilityInactive = MathHelper.Clamp(whenInactive, 0f, 1f);
            _button.SetVisibility(whenActive, whenInactive);
        }

        public void SetActive(bool state)
        {
            IsActive = state;
        }
    }
}