133 lines
3.1 KiB
C#
133 lines
3.1 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using System;
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using UnityEngine.Events;
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using UnityEngine.UI;
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using UnityEngine.EventSystems;
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namespace NeoFPS.Samples
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{
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public class MultiInputButtonGroup : MultiInputFocusableWidget, IPointerClickHandler
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{
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[SerializeField] private ButtonInfo[] m_Buttons = new ButtonInfo[0];
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[SerializeField] private bool m_DefocusOnPress = false;
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private Image[] m_ButtonImages = null;
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private int m_CurrIndex = 0;
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public int currentIndex
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{
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get { return m_CurrIndex; }
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set
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{
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m_CurrIndex = Mathf.Clamp (value, 0, m_Buttons.Length);
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for (int i = 0; i < m_ButtonImages.Length; ++i)
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{
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if (i == currentIndex)
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m_ButtonImages [i].color = style.colours.focussed;
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else
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m_ButtonImages [i].color = style.colours.normal;
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}
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}
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}
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[Serializable]
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public struct ButtonInfo
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{
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public RectTransform rect;
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public UnityEvent onClick;
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}
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public ButtonInfo[] buttons
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{
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get { return m_Buttons; }
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}
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public override void FocusLeft ()
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{
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int newIndex = currentIndex - 1;
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if (newIndex < 0)
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newIndex = m_Buttons.Length - 1;
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currentIndex = newIndex;
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base.FocusLeft ();
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}
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public override void FocusRight ()
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{
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int newIndex = currentIndex + 1;
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if (newIndex >= m_Buttons.Length)
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newIndex = 0;
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currentIndex = newIndex;
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base.FocusRight ();
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}
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protected override void Awake ()
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{
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base.Awake ();
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m_ButtonImages = new Image[m_Buttons.Length];
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for (int i = 0; i < m_Buttons.Length; ++i)
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{
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if (m_Buttons [i].rect != null)
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m_ButtonImages [i] = m_Buttons [i].rect.GetComponent<Image> ();
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}
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}
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public void OnPointerClick (PointerEventData eventData)
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{
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// Check press position against each button
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for (int i = 0; i < m_Buttons.Length; ++i)
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{
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if (m_Buttons[i].rect != null && RectTransformUtility.RectangleContainsScreenPoint (m_Buttons[i].rect, eventData.pressPosition))
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{
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m_Buttons [i].onClick.Invoke ();
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PlayAudio (MenuAudio.ClickValid);
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break;
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}
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}
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}
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public override void OnSubmit (BaseEventData eventData)
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{
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if (widgetState == WidgetState.Focussed)
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{
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// Invoke event handler
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m_Buttons [currentIndex].onClick.Invoke ();
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// Show press (and remove focus if required)
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if (m_DefocusOnPress)
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{
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PulseColour (m_ButtonImages [currentIndex], style.colours.pressed, style.colours.highlighted);
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RemoveFocus ();
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}
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else
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PulseColour (m_ButtonImages [currentIndex], style.colours.pressed, style.colours.focussed);
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// Play audio
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PlayAudio (MenuAudio.ClickValid);
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}
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else
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base.OnSubmit (eventData);
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}
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protected override void OnTakeFocus ()
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{
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base.OnTakeFocus ();
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currentIndex = 0;
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}
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protected override void OnLoseFocus ()
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{
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base.OnLoseFocus ();
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if (style != null)
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{
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for (int i = 0; i < m_ButtonImages.Length; ++i)
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{
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if (widgetState == WidgetState.Highlighted)
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m_ButtonImages [i].color = style.colours.highlighted;
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else
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m_ButtonImages [i].color = style.colours.normal;
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}
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}
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}
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}
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} |