sea-battle/Assets/Scripts/PlayerCursorUI.cs

using UnityEngine;
using UnityEngine.UI;
using System.Collections.Generic;

public class PlayerCursorUI : MonoBehaviour
{
    public GameManager gameManager;
    public Canvas parentCanvas;     // Êàíâàñ ýòîãî èãðîêà
    public int playerId = 1;        // 1 èëè 2 (äëÿ óïðàâëåíèÿ)

    private List<Button> buttons = new List<Button>();
    private int currentIndex = 0;

    private ButtonPinMapping upKey;
    private ButtonPinMapping downKey;
    private ButtonPinMapping leftKey;
    private ButtonPinMapping rightKey;
    private ButtonPinMapping selectKey;

    private bool useJoystick = false;

    void Start()
    {
        var player = GetComponentInParent<Player>();
        if (player != null)
            playerId = player.PlayerId;

        DetectInputDevice();
        BindControls();
        RefreshButtons();
    }

    void DetectInputDevice()
    {
        // Ïðîâåðÿåì, åñòü ëè ïîäêëþ÷¸ííûå äæîéñòèêè
        var joysticks = Input.GetJoystickNames();
        if (joysticks.Length > 0 && !string.IsNullOrEmpty(joysticks[0]))
            useJoystick = true;
        else
            useJoystick = false;
    }

    void BindControls()
    {
        if (!useJoystick) // êëàâèàòóðà
        {
            if (playerId == 1)
            {
                upKey = ButtonPinMapping.up1;
                downKey = ButtonPinMapping.down1;
                leftKey = ButtonPinMapping.left1;
                rightKey = ButtonPinMapping.right1;
                selectKey = ButtonPinMapping.action1;
            }
            else
            {
                upKey = ButtonPinMapping.up2;
                downKey = ButtonPinMapping.down2;
                leftKey = ButtonPinMapping.left2;
                rightKey = ButtonPinMapping.right2;
                selectKey = ButtonPinMapping.action2;
            }
        }

    }

    void OnEnable()
    {
        if (gameManager != null)
            gameManager.OnInputModeChanged += HandleInputModeChanged;
    }

    void OnDisable()
    {
        if (gameManager != null)
            gameManager.OnInputModeChanged -= HandleInputModeChanged;
    }

    void HandleInputModeChanged(GameManager.InputMode mode)
    {
        if (mode == GameManager.InputMode.UI)
        {
            RefreshButtons();
        }
        else
        {
            ClearHighlight();
        }
    }

    void Update()
    {
        if (gameManager == null || gameManager.currentInputMode != GameManager.InputMode.UI)
            return;

        // Åñëè àêòèâíàÿ ïàíåëü ñìåíèëàñü èëè êíîïêà èñ÷åçëà — îáíîâëÿåì
        if (buttons.Count == 0 || !buttons[currentIndex].gameObject.activeInHierarchy)
        {
            RefreshButtons();
        }

        if (buttons.Count == 0) return;

        bool moved = false;

        // Äâèæåíèå ïî êíîïêàì
        if (In.GetButtonDown(upKey)) { MoveNext(-1); moved = true; }
        if (In.GetButtonDown(downKey)) { MoveNext(1); moved = true; }
        if (In.GetButtonDown (leftKey))
        {
            if (gameManager.currentState == GameState.ShipPlacement)
            {
                ClearHighlight();
                gameManager.SetInputMode(GameManager.InputMode.ShipPlacement);
                return;
            }
            else { MoveNext(-1); moved = true; }
        }
        if (In.GetButtonDown(rightKey)) { MoveNext(1); moved = true; }

        if (moved) UpdateCursorHighlight();

        // Âûáîð êíîïêè
        if (In.GetButtonDown(selectKey))
        {
            if (buttons[currentIndex].interactable)
                buttons[currentIndex].onClick.Invoke();
        }
    }

    void MoveNext(int direction)
    {
        int startIndex = currentIndex;
        do
        {
            currentIndex = (currentIndex + direction + buttons.Count) % buttons.Count;
        }
        while (!buttons[currentIndex].interactable && currentIndex != startIndex);

        UpdateCursorHighlight();
    }

    void RefreshButtons()
    {
        buttons.Clear();
        Button[] foundButtons = parentCanvas.GetComponentsInChildren<Button>(true);

        foreach (Button btn in foundButtons)
        {
            if (btn.gameObject.activeInHierarchy)
                buttons.Add(btn);
        }

        currentIndex = 0;
        UpdateCursorHighlight();
    }

    void UpdateCursorHighlight()
    {
        for (int i = 0; i < buttons.Count; i++)
        {
            var highlight = buttons[i].GetComponent<UIButtonHighlight>();
            if (highlight)
                highlight.SetHighlighted(i == currentIndex);
        }
    }

    void ClearHighlight()
    {
        foreach (var btn in buttons)
        {
            var highlight = btn.GetComponent<UIButtonHighlight>();
            if (highlight)
                highlight.SetHighlighted(false);
        }
    }
}