VRCBoard-Udon/Components/VRCBoardOverheadIcons.cs

using UdonSharp;
using UnityEngine;
using VRC.SDKBase;
using VRC.Udon;

namespace VRCBoard.Components
{
    public class VRCBoardOverheadIcons : VRCBoardBaseComponent {
        public Texture2D[] icons;
        public string[] requiredTags;
        public Transform follower;
        private bool ArrayContains(string[] array, string value)
        {
            foreach (string s in array)
            {
                if (s == value) return true;
            }
            return false;
        }
        
        private VRCPlayerApi _owner;
        protected override void OnRegister() {}

        protected override void OnInitialize()
        {
            UpdateIcon();
        }

        protected override void OnSupporterDataUpdate()
        {
            UpdateIcon();
        }
        protected override void OnImageDataUpdate() {}
        protected override void OnImageLoaded() {}
        
        private Texture2D _iconForPlayer;
        private bool _active = false;
        private readonly Vector3 _iconOffset = new Vector3(0, 1.5f, 0);

        void UpdateIcon()
        {
            Debug.Log("Updating icon");
            _active = (_owner != null && _owner.IsValid());
            Debug.Log("Owner is valid: " + _active);
            if (!_active) return;
            string[] tags = manager.GetPlayerTags(_owner.displayName);
            for (int i = 0; i < requiredTags.Length; i++)
            {
                if (ArrayContains(tags, requiredTags[i]))
                {
                    _iconForPlayer = icons[i];
                    Debug.Log("Found tag " + requiredTags[i] + " for player " + _owner.displayName);
                    return;
                }
            }
        }

        void Start()
        {
            _owner = Networking.GetOwner(gameObject);
        }

        void Update()
        {
            //Debug.Log(_active);
            if (_owner == null) return;
            Vector3 headPos = _owner.GetBonePosition(HumanBodyBones.Head);
            Vector3 iconPos = headPos + _iconOffset;
            follower.position = iconPos;
        }
    }
}