82 lines
2.7 KiB
C#
82 lines
2.7 KiB
C#
using Unity.Netcode;
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using Unity.Netcode.Components;
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using UnityEngine;
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public interface IInteractable
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{
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string InteractionPrompt { get; }
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bool IsInteractionAvailable { get; }
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void RequestInteraction();
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}
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[AddComponentMenu("")]
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[RequireComponent(typeof(NetworkObject), typeof(NetworkTransform))]
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public class NetworkInteractable : NetworkBehaviour, IInteractable
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{
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[Header("Interaction")]
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[SerializeField] private string interactionLabel = "Interact";
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[SerializeField, Min(0.1f)] private float maximumInteractionDistance = 3f;
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protected string InteractionLabel => interactionLabel;
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public virtual string InteractionPrompt => interactionLabel;
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public virtual bool IsInteractionAvailable => IsSpawned;
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public void RequestInteraction()
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{
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if (!IsSpawned || !IsInteractionAvailable)
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return;
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RequestInteractionServerRpc();
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}
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[Rpc(SendTo.Server, InvokePermission = RpcInvokePermission.Everyone)]
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private void RequestInteractionServerRpc(RpcParams rpcParams = default)
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{
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ulong senderClientId = rpcParams.Receive.SenderClientId;
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if (!TryGetPlayerObject(senderClientId, out NetworkObject playerObject))
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return;
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if (!IsWithinInteractionDistance(playerObject.transform.position))
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return;
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if (!CanInteractOnServer(senderClientId))
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return;
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InteractOnServer(senderClientId, playerObject);
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}
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private bool IsWithinInteractionDistance(Vector3 playerPosition)
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{
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float maximumDistanceSquared = maximumInteractionDistance * maximumInteractionDistance;
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if ((playerPosition - transform.position).sqrMagnitude <= maximumDistanceSquared)
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return true;
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foreach (Collider interactionCollider in GetComponentsInChildren<Collider>(true))
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{
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if (interactionCollider == null || !interactionCollider.enabled ||
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!interactionCollider.gameObject.activeInHierarchy)
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{
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continue;
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}
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Vector3 closestPoint = interactionCollider.ClosestPoint(playerPosition);
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if ((playerPosition - closestPoint).sqrMagnitude <= maximumDistanceSquared)
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return true;
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}
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return false;
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}
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protected virtual bool CanInteractOnServer(ulong senderClientId) => false;
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protected virtual void InteractOnServer(ulong senderClientId, NetworkObject playerObject) { }
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protected bool TryGetPlayerObject(ulong clientId, out NetworkObject playerObject)
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{
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playerObject = NetworkManager != null
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? NetworkManager.SpawnManager.GetPlayerNetworkObject(clientId)
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: null;
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return playerObject != null;
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}
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}
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