129 lines
3.3 KiB
C#
129 lines
3.3 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using BITKit;
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using BITKit.Entities;
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using UnityEngine;
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using UnityEngine.InputSystem;
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using UnityEngine.InputSystem.Interactions;
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namespace BITFactory.Cutting
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{
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/// 切削笔刷服务,主要由用户控制,通过<see cref="ICuttingTool"/>进行切削
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/// <inheritdoc cref="ICuttingToolService"/>
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public class CuttingToolService : StateBasedBehavior<ICuttingToolBrush>,ICuttingToolService
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{
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[SerializeField] private LayerMask _layerMask;
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[SerializeField] private InputActionReference _cuttingAction;
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[SerializeField] private InputActionReference _snapAction;
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[SerializeField] private float _snapValue = 0.01f;
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[SerializeReference,SubclassSelector] private ICondition allowMouseInput;
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private readonly InputActionGroup _inputActionGroup = new();
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private Camera _camera;
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private Vector3 _lastPoint;
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[Inject] private ICuttingTool _cuttingTool;
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private void Awake()
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{
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DI.Register<ICuttingToolService>(this);
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}
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public override void OnStart()
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{
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base.OnStart();
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// ReSharper disable once Unity.PerformanceCriticalCodeCameraMain
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_camera = Camera.main;
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_inputActionGroup.RegisterCallback(_cuttingAction, OnCutting);
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_inputActionGroup.RegisterCallback(_snapAction, OnSnap);
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_inputActionGroup.allowInput.AddElement(this);
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}
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private void OnSnap(InputAction.CallbackContext obj)
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{
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IsSnapping = obj switch
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{
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{ interaction: PressInteraction, performed: true } => true,
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{ interaction: PressInteraction, canceled: true } => false,
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_ => IsSnapping
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};
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}
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private void OnCutting(InputAction.CallbackContext obj)
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{
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IsCutting = obj switch
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{
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{ interaction: PressInteraction, performed: true } => true,
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{ interaction: PressInteraction, canceled: true } => false,
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_ => IsCutting
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};
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}
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public override void OnUpdate(float deltaTime)
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{
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IsPreview = false;
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CurrentState?.OnStateUpdate(deltaTime);
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if (_inputActionGroup.allowInput.Allow is false) return;
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if(allowMouseInput is {Allow:false}) return;
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if (BITAppForUnity.AllowCursor.Allow is false) return;
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if (Physics.Raycast(_camera.ScreenPointToRay(Mouse.current.position.ReadValue()), out var hit, 1000, _layerMask) is false)
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return;
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var isClose = Vector3.Distance(_lastPoint,hit.point)<0.01f;
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if (IsSnapping)
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{
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hit.point = MathV.AlignToGrid(hit.point, _snapValue);
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isClose = false;
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}
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if (IsCutting && isClose is false)
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{
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// _cuttingTool.Execute(new CuttingPointCommand()
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// {
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// PlaneNormal = hit.normal,
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// PlanePoint =hit.point,
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// });
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_lastPoint = hit.point;
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CurrentState?.HandlePoint(false, hit.normal, hit.point);
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CurrentState?.ReleasePoint(hit.normal,hit.point);
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}
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else
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{
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// _cuttingTool.CutPlanePoint(true, hit.normal, hit.point);
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CurrentState?.HandlePoint(true, hit.normal, hit.point);
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IsPreview = true;
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}
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}
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public override void UnRegister(ICuttingToolBrush newState)
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{
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if(CurrentState == newState)
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TransitionState(StateDictionary.Values.First());
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base.UnRegister(newState);
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}
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public bool IsPreview { get; private set; }
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public bool IsCutting { get;private set; }
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public bool IsSnapping { get; private set; }
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}
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}
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