86 lines
2.6 KiB
C#
86 lines
2.6 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.InputSystem;
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using UnityEngine.UIElements;
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using PlayerInputManager = VOID.Generic.Player.Input.PlayerInputManager;
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namespace VOID.UserInterface.Game
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{
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public class ContextMenuUI : MonoBehaviour
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{
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public static ContextMenuUI current {get; private set;}
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// Visual Elements
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private VisualElement _optionsElement;
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private readonly List<Button> _options = new();
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private event Action BeforeClick;
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private void Awake()
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{
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current = this;
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var uiDocument = gameObject.GetComponent<UIDocument>();
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var templateElement = uiDocument.rootVisualElement;
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_optionsElement = templateElement.Q("options");
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_optionsElement.RegisterCallback<MouseLeaveEvent>(_ => PlayerInputManager.current.OnDefaultUse += Close);
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_optionsElement.RegisterCallback<MouseEnterEvent>(_ => PlayerInputManager.current.OnDefaultUse -= Close);
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}
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public void Start()
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{
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Close();
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}
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public void Prepare()
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{
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Close();
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PlayerInputManager.current.OnDefaultUse += Close;
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PlayerInputManager.current.OnContextUse += Close;
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var clickedPosition = RuntimePanelUtils.ScreenToPanel(_optionsElement.panel, Mouse.current.position.ReadValue());
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_optionsElement.style.bottom = new StyleLength(clickedPosition.y);
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_optionsElement.style.left = new StyleLength(clickedPosition.x);
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}
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public void AddBeforeClick(Action action)
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{
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BeforeClick += action;
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}
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public void AddOption(string text, Action action)
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{
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var option = new Button();
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option.AddToClassList("option");
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option.text = text;
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option.clicked += () => BeforeClick?.Invoke();
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option.clicked += Close;
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option.clicked += () => action?.Invoke();
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_optionsElement.Add(option);
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_options.Add(option);
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}
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public void Open()
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{
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if (_options.Count == 0) return;
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_optionsElement.style.display = new StyleEnum<DisplayStyle>(DisplayStyle.Flex);
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}
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public void Close()
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{
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BeforeClick = default;
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PlayerInputManager.current.OnDefaultUse -= Close;
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PlayerInputManager.current.OnContextUse -= Close;
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_optionsElement.style.display = new StyleEnum<DisplayStyle>(DisplayStyle.None);
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_optionsElement.Clear();
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_options.Clear();
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}
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}
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}
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