128 lines
3.5 KiB
C#
128 lines
3.5 KiB
C#
// Crest Ocean System
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// Copyright 2022 Wave Harmonic Ltd
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namespace Crest.Examples
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{
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using UnityEditor;
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using UnityEngine;
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public class ExamplesController : CustomMonoBehaviour
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{
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[SerializeField, Predicated(typeof(ExamplesController), "IsController"), DecoratedField]
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KeyCode _previous = KeyCode.Comma;
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[SerializeField, Predicated(typeof(ExamplesController), "IsController"), DecoratedField]
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KeyCode _next = KeyCode.Period;
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public void Previous() => Cycle(true);
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public void Next() => Cycle(false);
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void Start()
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{
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var hasActive = false;
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foreach (Transform current in transform)
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{
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if (current.gameObject.activeSelf)
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{
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hasActive = true;
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break;
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}
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}
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if (!hasActive)
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{
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transform.GetChild(0).gameObject.SetActive(true);
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}
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}
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void Update()
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{
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if (Input.GetKeyUp(_previous))
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{
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Previous();
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}
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else if (Input.GetKeyUp(_next))
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{
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Next();
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}
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}
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// Called by Predicated attribute. Signature must not be changed.
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bool IsController(Component component)
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{
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return transform.parent == null || !transform.parent.TryGetComponent<ExamplesController>(out _);
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}
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internal void Cycle(bool isReverse = false)
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{
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var hasActive = false;
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var previous = transform.GetChild(transform.childCount - 1);
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foreach (Transform current in transform)
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{
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if (isReverse)
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{
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if (current.gameObject.activeInHierarchy)
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{
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current.gameObject.SetActive(false);
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previous.gameObject.SetActive(true);
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#if UNITY_EDITOR
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Selection.activeGameObject = previous.gameObject;
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#endif
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hasActive = true;
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break;
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}
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}
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else
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{
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if (previous.gameObject.activeInHierarchy)
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{
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previous.gameObject.SetActive(false);
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current.gameObject.SetActive(true);
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#if UNITY_EDITOR
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Selection.activeGameObject = current.gameObject;
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#endif
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hasActive = true;
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break;
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}
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}
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previous = current;
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}
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if (!hasActive)
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{
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transform.GetChild(0).gameObject.SetActive(true);
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}
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}
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}
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#if UNITY_EDITOR
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[CustomEditor(typeof(ExamplesController))]
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public class ExamplesControllerEditor : CustomBaseEditor
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{
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public override void OnInspectorGUI()
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{
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base.OnInspectorGUI();
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var target = this.target as ExamplesController;
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if (target.transform.parent != null && target.transform.parent.TryGetComponent<ExamplesController>(out var parent))
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{
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target = parent;
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}
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if (GUILayout.Button("Previous"))
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{
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target.Previous();
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}
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if (GUILayout.Button("Next"))
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{
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target.Next();
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}
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}
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}
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#endif
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}
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