Assets/Scripts/RoomBuilding/RoomMouseInputHandler.cs - master - GeekNerd/ServerModelingProject

Assets/Scripts/RoomBuilding/RoomMouseInputHandler.cs
84 строки2 KB
Gorney-Alex
Init
30 май 2026, 19:05
30 май 2026, 19:053cdcc49
using UnityEngine;
using UnityEngine.EventSystems;
using Zenject;

namespace RoomBuilding
{
    public class RoomMouseInputHandler : MonoBehaviour, IInitializable
    {
        private PolygonDrawingService _drawingService;
        private Camera _camera;

        [Inject]
        public void Construct(PolygonDrawingService drawingService)
        {
            _drawingService = drawingService;
        }

        public void Initialize()
        {
            _camera = Camera.main;
        }

        private void Update()
        {
            _drawingService.IsColumnMode = Input.GetKey(KeyCode.B);

            if (Input.GetKeyDown(KeyCode.Z) && (Input.GetKey(KeyCode.LeftControl) || Input.GetKey(KeyCode.RightControl)))
            {
                _drawingService.RemoveLastVertex();
                return;
            }
            
            if (Input.GetKeyDown(KeyCode.Escape))
            {
                _drawingService.Clear();
                return;
            }

            if (_drawingService.IsColumnMode && !Mathf.Approximately(Input.mouseScrollDelta.y, 0f))
            {
                _drawingService.ChangePreviewRadius(Input.mouseScrollDelta.y * 0.1f);
            }
            
            if ((_drawingService.State == DrawingState.Drawing || _drawingService.IsColumnMode) && !IsPointerOverUI())
            {
                if (TryGetGroundPoint(out var point))
                {
                    _drawingService.HandleCursorMove(point);
                }
            }
        }

        private bool TryGetGroundPoint(out Vector2 result)
        {
            result = Vector2.zero;

            if (_camera == null)
            {
                _camera = Camera.main;
                if (_camera == null) return false;
            }

            var ray = _camera.ScreenPointToRay(Input.mousePosition);

            if (Physics.Raycast(ray, out var hit, 1000f))
            {
                result = new Vector2(hit.point.x, hit.point.z);
                return true;
            }

            var plane = new Plane(Vector3.up, Vector3.zero);
            if (plane.Raycast(ray, out float distance))
            {
                var world = ray.GetPoint(distance);
                result = new Vector2(world.x, world.z);
                return true;
            }

            return false;
        }

        private static bool IsPointerOverUI() => EventSystem.current != null && EventSystem.current.IsPointerOverGameObject();
    }
}