Perekyp/Assets/Scripts/Car/Part/CarPartMountZone.cs

using UnityEngine;

public class CarPartMountZone : MonoBehaviour, IInteractable
{
    private CarPart targetPart;
    private Collider zoneCollider;
    private MeshRenderer ghostRenderer;
    private PlayerHands cachedHands;

    private float mountDuration = 1.2f;
    private float currentMountProgress = 0f;
    private bool hasSeparateBolts = false;

    public void Initialize(CarPart part)
    {
        targetPart = part;
        gameObject.layer = part.gameObject.layer;

        cachedHands = FindAnyObjectByType<PlayerHands>();
        hasSeparateBolts = part.GetComponentsInChildren<WheelBolt>(true).Length > 0;

        if (part.Data != null && part.Data.boltDuration > 0f)
            mountDuration = part.Data.boltDuration;

        MeshFilter sourceFilter = part.GetComponentInChildren<MeshFilter>();

        // Для колеса создаем удобную широкую сферу вокруг ступицы, чтобы луч всегда попадал с первого раза
        if (hasSeparateBolts)
        {
            SphereCollider sphere = gameObject.AddComponent<SphereCollider>();
            if (sourceFilter != null && sourceFilter.sharedMesh != null)
                sphere.center = sourceFilter.sharedMesh.bounds.center;
            sphere.radius = 0.48f;
            sphere.isTrigger = true;
            zoneCollider = sphere;
        }
        else
        {
            Collider sourceCollider = part.GetComponent<Collider>();
            if (sourceCollider is BoxCollider sourceBox)
            {
                BoxCollider box = gameObject.AddComponent<BoxCollider>();
                box.center = sourceBox.center;
                box.size = sourceBox.size;
                box.isTrigger = true;
                zoneCollider = box;
            }
            else if (sourceCollider is MeshCollider sourceMesh)
            {
                MeshCollider meshCol = gameObject.AddComponent<MeshCollider>();
                meshCol.sharedMesh = sourceMesh.sharedMesh;
                meshCol.convex = true;
                meshCol.isTrigger = true;
                zoneCollider = meshCol;
            }
            else
            {
                SphereCollider sphere = gameObject.AddComponent<SphereCollider>();
                sphere.radius = 0.6f;
                sphere.isTrigger = true;
                zoneCollider = sphere;
            }
        }

        if (sourceFilter != null && sourceFilter.sharedMesh != null)
        {
            MeshFilter mf = gameObject.AddComponent<MeshFilter>();
            mf.sharedMesh = sourceFilter.sharedMesh;

            ghostRenderer = gameObject.AddComponent<MeshRenderer>();
            ghostRenderer.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.Off;

            Material sharedGhostMat = part.Data != null ? part.Data.ghostMaterial : null;
            if (sharedGhostMat != null)
            {
                ghostRenderer.sharedMaterial = sharedGhostMat;
            }
            else
            {
                Material fallbackMat = new Material(Shader.Find("Universal Render Pipeline/Unlit"));
                fallbackMat.color = new Color(0.2f, 0.9f, 0.3f, 0.4f);
                ghostRenderer.material = fallbackMat;
            }
        }

        UpdateZoneVisibility();
    }

    private void Update()
    {
        UpdateZoneVisibility();
    }

    private void UpdateZoneVisibility()
    {
        if (cachedHands == null)
            cachedHands = FindAnyObjectByType<PlayerHands>();

        bool isHoldingTarget = cachedHands != null && cachedHands.IsHolding && cachedHands.CurrentPart == targetPart;

        if (zoneCollider != null && zoneCollider.enabled != isHoldingTarget)
            zoneCollider.enabled = isHoldingTarget;

        if (ghostRenderer != null && ghostRenderer.enabled != isHoldingTarget)
            ghostRenderer.enabled = isHoldingTarget;

        if (!isHoldingTarget)
            currentMountProgress = 0f;
    }

    public string GetPrompt()
    {
        if (targetPart == null) return string.Empty;
        if (cachedHands == null || !cachedHands.IsHolding || cachedHands.CurrentPart != targetPart)
            return string.Empty;

        string partTitle = targetPart.Data != null ? targetPart.Data.partName : "Деталь";

        // Колесо надевается на ступицу сразу при нажатии E или ЛКМ
        if (hasSeparateBolts)
        {
            if (Input.GetKeyDown(KeyCode.E) || Input.GetMouseButtonDown(0))
            {
                CompleteInstall();
                return string.Empty;
            }
            return $"[E / ЛКМ] Надеть {partTitle} на ступицу";
        }

        if (Input.GetKey(KeyCode.E))
        {
            currentMountProgress += Time.deltaTime;
            if (currentMountProgress >= mountDuration)
            {
                CompleteInstall();
                return string.Empty;
            }

            int percent = Mathf.RoundToInt(Mathf.Clamp01(currentMountProgress / mountDuration) * 100f);
            return $"Закручиваем болты: {partTitle}... {percent}%";
        }
        else
        {
            currentMountProgress = 0f;
        }

        return $"[Удерживать E] Установить {partTitle}";
    }

    public void Interact(GameObject interactor)
    {
        if (hasSeparateBolts && cachedHands != null && cachedHands.IsHolding && cachedHands.CurrentPart == targetPart)
        {
            CompleteInstall();
        }
    }

    private void CompleteInstall()
    {
        if (cachedHands == null || targetPart == null) return;

        cachedHands.ClearHandAfterInstall();
        targetPart.Install();
        Destroy(gameObject);
    }
}