68 lines
3.0 KiB
C#
68 lines
3.0 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using Convai.Scripts.Runtime.Features;
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using Convai.Scripts.Runtime.LoggerSystem;
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using UnityEngine;
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namespace Convai.Scripts.Runtime.UI
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{
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/// <summary>
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/// Handles the crosshair behavior for the Convai application.
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/// It can detect which Convai game object the player's crosshair is currently looking at.
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/// </summary>
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[DisallowMultipleComponent]
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[AddComponentMenu("Convai/Crosshair Handler")]
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public class ConvaiCrosshairHandler : MonoBehaviour
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{
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private Camera _camera;
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private Dictionary<GameObject, string> _interactableReferences;
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private ConvaiInteractablesData _interactablesData;
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private void Awake()
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{
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_camera = Camera.main;
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_interactablesData = FindObjectOfType<ConvaiInteractablesData>();
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if (_interactablesData == null) return;
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// Build the interactable references dictionary
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_interactableReferences = new Dictionary<GameObject, string>();
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foreach (ConvaiInteractablesData.Object eachObject in _interactablesData.Objects)
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_interactableReferences[eachObject.gameObject] = eachObject.Name;
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foreach (ConvaiInteractablesData.Character eachCharacter in _interactablesData.Characters)
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_interactableReferences[eachCharacter.gameObject] = eachCharacter.Name;
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}
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/// <summary>
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/// Finds the reference object that the player's crosshair is currently looking at.
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/// </summary>
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/// <returns>A reference string of the interactable object or character, "None" if no valid hit.</returns>
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public string FindPlayerReferenceObject()
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{
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if (_interactablesData == null || _camera == null) return "None";
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Vector3 centerOfScreen = new(0.5f, 0.5f, 0);
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if (Physics.Raycast(_camera.ViewportPointToRay(centerOfScreen), out RaycastHit hit))
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{
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_interactablesData.DynamicMoveTargetIndicator.position = hit.point;
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string reference = FindInteractableReference(hit.transform.gameObject);
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ConvaiLogger.DebugLog($"Player is looking at: {reference}", ConvaiLogger.LogCategory.Actions);
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return reference;
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}
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return "None";
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}
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/// <summary>
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/// Finds the reference object that the player's crosshair is currently looking at.
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/// </summary>
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/// <param name="hitGameObject"> The game object that the player's crosshair is currently looking at.</param>
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/// <returns> A reference string(name) of the interactable object or character, "None" if no valid hit.</returns>
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private string FindInteractableReference(GameObject hitGameObject)
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{
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foreach (KeyValuePair<GameObject, string> kvp in _interactableReferences.Where(kvp => hitGameObject.GetComponentInParent<Transform>() == kvp.Key.transform))
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return kvp.Value;
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return "None";
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}
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}
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} |